From 69c2516ac5d33ad91cef50b8754c6af6241f0817 Mon Sep 17 00:00:00 2001 From: ekibun Date: Wed, 12 Aug 2020 23:24:01 +0800 Subject: [PATCH] android support --- .idea/libraries/Dart_SDK.xml | 19 - .idea/modules.xml | 10 - .../example_lib_main_dart.xml | 6 - .idea/workspace.xml | 45 - .vscode/c_cpp_properties.json | 22 + .vscode/settings.json | 46 +- android/.classpath | 6 + android/.gitignore | 9 + android/.idea/.gitignore | 3 + android/.idea/.name | 1 + android/.idea/caches/build_file_checksums.ser | Bin 0 -> 493 bytes android/.idea/compiler.xml | 6 + android/.idea/gradle.xml | 17 + android/.idea/jarRepositories.xml | 30 + android/.idea/misc.xml | 5 + android/.idea/vcs.xml | 6 + android/.project | 23 + .../org.eclipse.buildship.core.prefs | 13 + android/build.gradle | 59 + android/gradle.properties | 4 + .../gradle/wrapper/gradle-wrapper.properties | 5 + android/settings.gradle | 1 + android/src/main/AndroidManifest.xml | 3 + android/src/main/jni/CMakeLists.txt | 56 + android/src/main/jni/js_dart_promise.hpp | 182 + android/src/main/jni/js_engine.hpp | 192 + android/src/main/jni/native-lib.cpp | 164 + android/src/main/jni/quickjs/VERSION | 1 + android/src/main/jni/quickjs/cutils.c | 620 + android/src/main/jni/quickjs/cutils.h | 297 + .../src/main/jni/quickjs/libregexp-opcode.h | 58 + android/src/main/jni/quickjs/libregexp.c | 2588 + android/src/main/jni/quickjs/libregexp.h | 91 + .../src/main/jni/quickjs/libunicode-table.h | 4368 ++ android/src/main/jni/quickjs/libunicode.c | 1538 + android/src/main/jni/quickjs/libunicode.h | 124 + android/src/main/jni/quickjs/list.h | 100 + android/src/main/jni/quickjs/quickjs-atom.h | 272 + android/src/main/jni/quickjs/quickjs-opcode.h | 367 + android/src/main/jni/quickjs/quickjs.c | 53312 ++++++++++++++++ android/src/main/jni/quickjs/quickjs.h | 1030 + android/src/main/jni/quickjs/quickjspp.hpp | 1303 + .../ekibun/flutter_qjs/FlutterQjsPlugin.kt | 55 + .../soko/ekibun/flutter_qjs/JniBridge.kt | 22 + .../soko/ekibun/flutter_qjs/JsEngine.kt | 80 + .../flutter_qjs/MethodChannelWrapper.kt | 29 + .../soko/ekibun/flutter_qjs/ResultWrapper.kt | 20 + example/android/.gitignore | 11 + example/android/.project | 17 + .../org.eclipse.buildship.core.prefs | 13 + example/android/app/.classpath | 6 + example/android/app/.project | 23 + .../org.eclipse.buildship.core.prefs | 2 + example/android/app/build.gradle | 63 + .../android/app/src/debug/AndroidManifest.xml | 7 + .../android/app/src/main/AndroidManifest.xml | 47 + .../soko/ekibun/example/MainActivity.kt | 6 + .../flutter_qjs_example/MainActivity.kt | 6 + .../main/res/drawable/launch_background.xml | 12 + .../src/main/res/mipmap-hdpi/ic_launcher.png | Bin 0 -> 544 bytes .../src/main/res/mipmap-mdpi/ic_launcher.png | Bin 0 -> 442 bytes .../src/main/res/mipmap-xhdpi/ic_launcher.png | Bin 0 -> 721 bytes .../main/res/mipmap-xxhdpi/ic_launcher.png | Bin 0 -> 1031 bytes .../main/res/mipmap-xxxhdpi/ic_launcher.png | Bin 0 -> 1443 bytes .../app/src/main/res/values/styles.xml | 18 + .../app/src/profile/AndroidManifest.xml | 7 + example/android/build.gradle | 31 + example/android/gradle.properties | 4 + .../gradle/wrapper/gradle-wrapper.properties | 6 + example/android/settings.gradle | 11 + flutter_qjs.iml | 3 +- pubspec.yaml | 3 + windows/flutter_qjs_plugin.cpp | 2 +- 73 files changed, 67422 insertions(+), 84 deletions(-) delete mode 100644 .idea/libraries/Dart_SDK.xml delete mode 100644 .idea/modules.xml delete mode 100644 .idea/runConfigurations/example_lib_main_dart.xml delete mode 100644 .idea/workspace.xml create mode 100644 .vscode/c_cpp_properties.json create mode 100644 android/.classpath create mode 100644 android/.gitignore create mode 100644 android/.idea/.gitignore create mode 100644 android/.idea/.name create mode 100644 android/.idea/caches/build_file_checksums.ser create mode 100644 android/.idea/compiler.xml create mode 100644 android/.idea/gradle.xml create mode 100644 android/.idea/jarRepositories.xml create mode 100644 android/.idea/misc.xml create mode 100644 android/.idea/vcs.xml create mode 100644 android/.project create mode 100644 android/.settings/org.eclipse.buildship.core.prefs create mode 100644 android/build.gradle create mode 100644 android/gradle.properties create mode 100644 android/gradle/wrapper/gradle-wrapper.properties create mode 100644 android/settings.gradle create mode 100644 android/src/main/AndroidManifest.xml create mode 100644 android/src/main/jni/CMakeLists.txt create mode 100644 android/src/main/jni/js_dart_promise.hpp create mode 100644 android/src/main/jni/js_engine.hpp create mode 100644 android/src/main/jni/native-lib.cpp create mode 100644 android/src/main/jni/quickjs/VERSION create mode 100644 android/src/main/jni/quickjs/cutils.c create mode 100644 android/src/main/jni/quickjs/cutils.h create mode 100644 android/src/main/jni/quickjs/libregexp-opcode.h create mode 100644 android/src/main/jni/quickjs/libregexp.c create mode 100644 android/src/main/jni/quickjs/libregexp.h create mode 100644 android/src/main/jni/quickjs/libunicode-table.h create mode 100644 android/src/main/jni/quickjs/libunicode.c create mode 100644 android/src/main/jni/quickjs/libunicode.h create mode 100644 android/src/main/jni/quickjs/list.h create mode 100644 android/src/main/jni/quickjs/quickjs-atom.h create mode 100644 android/src/main/jni/quickjs/quickjs-opcode.h create mode 100644 android/src/main/jni/quickjs/quickjs.c create mode 100644 android/src/main/jni/quickjs/quickjs.h create mode 100644 android/src/main/jni/quickjs/quickjspp.hpp create mode 100644 android/src/main/kotlin/soko/ekibun/flutter_qjs/FlutterQjsPlugin.kt create mode 100644 android/src/main/kotlin/soko/ekibun/flutter_qjs/JniBridge.kt create mode 100644 android/src/main/kotlin/soko/ekibun/flutter_qjs/JsEngine.kt create mode 100644 android/src/main/kotlin/soko/ekibun/flutter_qjs/MethodChannelWrapper.kt create mode 100644 android/src/main/kotlin/soko/ekibun/flutter_qjs/ResultWrapper.kt create mode 100644 example/android/.gitignore create mode 100644 example/android/.project create mode 100644 example/android/.settings/org.eclipse.buildship.core.prefs create mode 100644 example/android/app/.classpath create mode 100644 example/android/app/.project create mode 100644 example/android/app/.settings/org.eclipse.buildship.core.prefs create mode 100644 example/android/app/build.gradle create mode 100644 example/android/app/src/debug/AndroidManifest.xml create mode 100644 example/android/app/src/main/AndroidManifest.xml create mode 100644 example/android/app/src/main/kotlin/soko/ekibun/example/MainActivity.kt create mode 100644 example/android/app/src/main/kotlin/soko/ekibun/flutter_qjs_example/MainActivity.kt create mode 100644 example/android/app/src/main/res/drawable/launch_background.xml create mode 100644 example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png create mode 100644 example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png create mode 100644 example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png create mode 100644 example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png create mode 100644 example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png create mode 100644 example/android/app/src/main/res/values/styles.xml create mode 100644 example/android/app/src/profile/AndroidManifest.xml create mode 100644 example/android/build.gradle create mode 100644 example/android/gradle.properties create mode 100644 example/android/gradle/wrapper/gradle-wrapper.properties create mode 100644 example/android/settings.gradle diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml deleted file mode 100644 index 70af93c..0000000 --- a/.idea/libraries/Dart_SDK.xml +++ /dev/null @@ -1,19 +0,0 @@ - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml deleted file mode 100644 index 4f16f99..0000000 --- a/.idea/modules.xml +++ /dev/null @@ -1,10 +0,0 @@ - - - - - - - - - - diff --git a/.idea/runConfigurations/example_lib_main_dart.xml b/.idea/runConfigurations/example_lib_main_dart.xml deleted file mode 100644 index 5fd9159..0000000 --- a/.idea/runConfigurations/example_lib_main_dart.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - \ No newline at end of file diff --git a/.idea/workspace.xml b/.idea/workspace.xml deleted file mode 100644 index e513d54..0000000 --- a/.idea/workspace.xml +++ /dev/null @@ -1,45 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json new file mode 100644 index 0000000..1cc6949 --- /dev/null +++ b/.vscode/c_cpp_properties.json @@ -0,0 +1,22 @@ +{ + "configurations": [ + { + "name": "Linux", + "includePath": [ + "${workspaceFolder}/**", + "C:\\Users\\ekibun\\AppData\\Local\\Android\\Sdk\\ndk\\21.3.6528147\\toolchains\\llvm\\prebuilt\\windows-x86_64\\sysroot\\usr\\include" + ], + "defines": [ + "_DEBUG", + "UNICODE", + "_UNICODE" + ], + "windowsSdkVersion": "10.0.18362.0", + "compilerPath": "C:\\Users\\ekibun\\AppData\\Local\\Android\\Sdk\\cmake\\3.10.2.4988404\\bin\\cmake.exe", + "cStandard": "c11", + "cppStandard": "c++17", + "intelliSenseMode": "gcc-x64" + } + ], + "version": 4 +} \ No newline at end of file diff --git a/.vscode/settings.json b/.vscode/settings.json index ade0a35..f487e24 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -57,6 +57,48 @@ "xstring": "cpp", "xtr1common": "cpp", "xtree": "cpp", - "xutility": "cpp" - } + "xutility": "cpp", + "array": "cpp", + "bit": "cpp", + "bitset": "cpp", + "clocale": "cpp", + "cstdarg": "cpp", + "ctime": "cpp", + "cwctype": "cpp", + "fstream": "cpp", + "locale": "cpp", + "optional": "cpp", + "variant": "cpp", + "xlocbuf": "cpp", + "xlocmes": "cpp", + "xlocmon": "cpp", + "xloctime": "cpp", + "cerrno": "cpp", + "__bit_reference": "cpp", + "__config": "cpp", + "__debug": "cpp", + "__errc": "cpp", + "__functional_base": "cpp", + "__hash_table": "cpp", + "__locale": "cpp", + "__mutex_base": "cpp", + "__node_handle": "cpp", + "__nullptr": "cpp", + "__split_buffer": "cpp", + "__string": "cpp", + "__threading_support": "cpp", + "__tree": "cpp", + "__tuple": "cpp", + "complex": "cpp", + "iomanip": "cpp", + "string_view": "cpp", + "strstream": "cpp", + "*.tcc": "cpp", + "memory_resource": "cpp", + "numeric": "cpp", + "cfenv": "cpp", + "cinttypes": "cpp", + "typeindex": "cpp" + }, + "java.configuration.updateBuildConfiguration": "interactive" } \ No newline at end of file diff --git a/android/.classpath b/android/.classpath new file mode 100644 index 0000000..4a04201 --- /dev/null +++ b/android/.classpath @@ -0,0 +1,6 @@ + + + + + + diff --git a/android/.gitignore b/android/.gitignore new file mode 100644 index 0000000..50e9674 --- /dev/null +++ b/android/.gitignore @@ -0,0 +1,9 @@ +*.iml +.gradle +/local.properties +/.idea/workspace.xml +/.idea/libraries +.DS_Store +/build +/captures +/.cxx diff --git a/android/.idea/.gitignore b/android/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/android/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/android/.idea/.name b/android/.idea/.name new file mode 100644 index 0000000..c516c6f --- /dev/null +++ b/android/.idea/.name @@ -0,0 +1 @@ +flutter_qjs \ No newline at end of file diff --git a/android/.idea/caches/build_file_checksums.ser b/android/.idea/caches/build_file_checksums.ser new file mode 100644 index 0000000000000000000000000000000000000000..d1a54c1e1191e52b7025f077706103276e4cf8e6 GIT binary patch literal 493 zcmZ4UmVvdnh`~NNKUXg?FQq6yGexf?KR>5fFEb@IQ7^qHF(oHeub?PDD>b=9F91S2 zm1gFoxMk*~I%lLNXBU^|7Q2L-Ts|(GuF1r}(m;0!g5>l-a(W(##Th_( zR`y#54~r#SWM*J;W8likPfT%3OfJbU@?_vF$tX%K&dAS6sVJ~_U;qK0atn&Ma40x*_lbDc`;Dm#UMOckXlrdnOa<0#K08owC1z;4>pdF2TTkMAU81x z%uV=nMSJ?c&ihZEdtT@bSO|1`acW6PW?p(R)Tq)zhB^i|kXon4kVnrn-~11ms%LU| zsi<}d15Xkt)G!oIStqEavxei)?&#L=B?W%!XSw0c)05PsIQ@HX+Eot{;$w6yY=f|1pqt&uN43Q literal 0 HcmV?d00001 diff --git a/android/.idea/compiler.xml b/android/.idea/compiler.xml new file mode 100644 index 0000000..fb7f4a8 --- /dev/null +++ b/android/.idea/compiler.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/android/.idea/gradle.xml b/android/.idea/gradle.xml new file mode 100644 index 0000000..611e7c8 --- /dev/null +++ b/android/.idea/gradle.xml @@ -0,0 +1,17 @@ + + + + + + + \ No newline at end of file diff --git a/android/.idea/jarRepositories.xml b/android/.idea/jarRepositories.xml new file mode 100644 index 0000000..2370474 --- /dev/null +++ b/android/.idea/jarRepositories.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/android/.idea/misc.xml b/android/.idea/misc.xml new file mode 100644 index 0000000..c532fb7 --- /dev/null +++ b/android/.idea/misc.xml @@ -0,0 +1,5 @@ + + + + + \ No newline at end of file diff --git a/android/.idea/vcs.xml b/android/.idea/vcs.xml new file mode 100644 index 0000000..6c0b863 --- /dev/null +++ b/android/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/android/.project b/android/.project new file mode 100644 index 0000000..fffdd44 --- /dev/null +++ b/android/.project @@ -0,0 +1,23 @@ + + + flutter_qjs + Project android created by Buildship. + + + + + org.eclipse.jdt.core.javabuilder + + + + + org.eclipse.buildship.core.gradleprojectbuilder + + + + + + org.eclipse.jdt.core.javanature + org.eclipse.buildship.core.gradleprojectnature + + diff --git a/android/.settings/org.eclipse.buildship.core.prefs b/android/.settings/org.eclipse.buildship.core.prefs new file mode 100644 index 0000000..a423bb9 --- /dev/null +++ b/android/.settings/org.eclipse.buildship.core.prefs @@ -0,0 +1,13 @@ +arguments= +auto.sync=false +build.scans.enabled=false +connection.gradle.distribution=GRADLE_DISTRIBUTION(VERSION(6.3)) +connection.project.dir= +eclipse.preferences.version=1 +gradle.user.home= +java.home=C\:/Program Files/JetBrains/IntelliJ IDEA Community Edition 2019.3.2/jbr +jvm.arguments= +offline.mode=false +override.workspace.settings=true +show.console.view=true +show.executions.view=true diff --git a/android/build.gradle b/android/build.gradle new file mode 100644 index 0000000..7d22609 --- /dev/null +++ b/android/build.gradle @@ -0,0 +1,59 @@ +group 'soko.ekibun.flutter_qjs' +version '1.0-SNAPSHOT' + +buildscript { + ext.kotlin_version = '1.3.50' + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:3.5.0' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +rootProject.allprojects { + repositories { + google() + jcenter() + maven { url 'https://jitpack.io' } + } +} + +apply plugin: 'com.android.library' +apply plugin: 'kotlin-android' + +android { + compileSdkVersion 28 + + sourceSets { + main.java.srcDirs += 'src/main/kotlin' + } + defaultConfig { + minSdkVersion 21 + externalNativeBuild { + cmake { + cppFlags "-std=c++17" + } + } + } + lintOptions { + disable 'InvalidPackage' + } + kotlinOptions { + jvmTarget = "1.8" + } + externalNativeBuild { + cmake { + path "src/main/jni/CMakeLists.txt" + version "3.10.2" + } + } +} + +dependencies { + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" + // implementation 'com.github.abner.oasis-jsbridge-android:oasis-jsbridge-quickjs:0.11.0' +} diff --git a/android/gradle.properties b/android/gradle.properties new file mode 100644 index 0000000..38c8d45 --- /dev/null +++ b/android/gradle.properties @@ -0,0 +1,4 @@ +org.gradle.jvmargs=-Xmx1536M +android.enableR8=true +android.useAndroidX=true +android.enableJetifier=true diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..01a286e --- /dev/null +++ b/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip diff --git a/android/settings.gradle b/android/settings.gradle new file mode 100644 index 0000000..4acab51 --- /dev/null +++ b/android/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'flutter_qjs' diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml new file mode 100644 index 0000000..6cfef06 --- /dev/null +++ b/android/src/main/AndroidManifest.xml @@ -0,0 +1,3 @@ + + diff --git a/android/src/main/jni/CMakeLists.txt b/android/src/main/jni/CMakeLists.txt new file mode 100644 index 0000000..de5c3fd --- /dev/null +++ b/android/src/main/jni/CMakeLists.txt @@ -0,0 +1,56 @@ +# For more information about using CMake with Android Studio, read the +# documentation: https://d.android.com/studio/projects/add-native-code.html + +# Sets the minimum version of CMake required to build the native library. + +cmake_minimum_required(VERSION 3.4.1) +set(JNI_LIB_NAME libjsengine) + + +# Creates and names a library, sets it as either STATIC +# or SHARED, and provides the relative paths to its source code. +# You can define multiple libraries, and CMake builds them for you. +# Gradle automatically packages shared libraries with your APK. + +add_library( # Sets the name of the library. + ${JNI_LIB_NAME} + + # Sets the library as a shared library. + SHARED + + # Provides a relative path to your source file(s). + native-lib.cpp ) + +# quickjs +file (STRINGS "quickjs/VERSION" QUICKJS_VERSION) +set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCONFIG_VERSION=\\\"${QUICKJS_VERSION}\\\"") +target_sources(${JNI_LIB_NAME} PUBLIC + quickjs/cutils.c + quickjs/libregexp.c + quickjs/libunicode.c + quickjs/quickjs.c +) + +# Searches for a specified prebuilt library and stores the path as a +# variable. Because CMake includes system libraries in the search path by +# default, you only need to specify the name of the public NDK library +# you want to add. CMake verifies that the library exists before +# completing its build. + +find_library( # Sets the name of the path variable. + log-lib + + # Specifies the name of the NDK library that + # you want CMake to locate. + log ) + +# Specifies libraries CMake should link to your target library. You +# can link multiple libraries, such as libraries you define in this +# build script, prebuilt third-party libraries, or system libraries. + +target_link_libraries( # Specifies the target library. + ${JNI_LIB_NAME} + + # Links the target library to the log library + # included in the NDK. + ${log-lib} ) \ No newline at end of file diff --git a/android/src/main/jni/js_dart_promise.hpp b/android/src/main/jni/js_dart_promise.hpp new file mode 100644 index 0000000..27e5e82 --- /dev/null +++ b/android/src/main/jni/js_dart_promise.hpp @@ -0,0 +1,182 @@ +/* + * @Description: + * @Author: ekibun + * @Date: 2020-08-07 13:55:52 + * @LastEditors: ekibun + * @LastEditTime: 2020-08-12 14:24:42 + */ +#pragma once +#include "quickjs/quickjspp.hpp" +#include "quickjs/list.h" +#include +#include + +namespace qjs +{ + static JSClassID js_dart_promise_class_id; + + typedef struct + { + int count; + JSValue *argv; + } JSOSFutureArgv; + + using JSFutureReturn = std::function; + using DartChannel = std::function(std::string, std::string)>; + + typedef struct + { + struct list_head link; + std::shared_future future; + JSValue resolve; + JSValue reject; + } JSOSFuture; + + typedef struct JSThreadState + { + struct list_head os_future; /* list of JSOSFuture.link */ + std::function(std::string, std::string)> channel; + } JSThreadState; + + static JSValue js_add_future(Value resolve, Value reject, std::shared_future future) + { + JSRuntime *rt = JS_GetRuntime(resolve.ctx); + JSThreadState *ts = (JSThreadState *)JS_GetRuntimeOpaque(rt); + JSValueConst jsResolve, jsReject; + JSOSFuture *th; + JSValue obj; + + jsResolve = resolve.v; + if (!JS_IsFunction(resolve.ctx, jsResolve)) + return JS_ThrowTypeError(resolve.ctx, "resolve not a function"); + jsReject = reject.v; + if (!JS_IsFunction(reject.ctx, jsReject)) + return JS_ThrowTypeError(reject.ctx, "reject not a function"); + obj = JS_NewObjectClass(resolve.ctx, js_dart_promise_class_id); + if (JS_IsException(obj)) + return obj; + th = (JSOSFuture *)js_mallocz(resolve.ctx, sizeof(*th)); + if (!th) + { + JS_FreeValue(resolve.ctx, obj); + return JS_EXCEPTION; + } + th->future = future; + th->resolve = JS_DupValue(resolve.ctx, jsResolve); + th->reject = JS_DupValue(reject.ctx, jsReject); + list_add_tail(&th->link, &ts->os_future); + JS_SetOpaque(obj, th); + return obj; + } + + JSValue js_dart_future(Value resolve, Value reject, std::string name, std::string args) + { + JSRuntime *rt = JS_GetRuntime(resolve.ctx); + JSThreadState *ts = (JSThreadState *)JS_GetRuntimeOpaque(rt); + return js_add_future(resolve, reject, ts->channel(name, args)); + } + + static void unlink_future(JSRuntime *rt, JSOSFuture *th) + { + if (th->link.prev) + { + list_del(&th->link); + th->link.prev = th->link.next = NULL; + } + } + + static void free_future(JSRuntime *rt, JSOSFuture *th) + { + JS_FreeValueRT(rt, th->resolve); + JS_FreeValueRT(rt, th->reject); + js_free_rt(rt, th); + } + + void js_init_handlers(JSRuntime *rt, DartChannel channel) + { + JSThreadState *ts = (JSThreadState *)malloc(sizeof(*ts)); + if (!ts) + { + fprintf(stderr, "Could not allocate memory for the worker"); + exit(1); + } + memset(ts, 0, sizeof(*ts)); + init_list_head(&ts->os_future); + ts->channel = channel; + + JS_SetRuntimeOpaque(rt, ts); + } + + void js_free_handlers(JSRuntime *rt) + { + JSThreadState *ts = (JSThreadState *)JS_GetRuntimeOpaque(rt); + struct list_head *el, *el1; + + list_for_each_safe(el, el1, &ts->os_future) + { + JSOSFuture *th = list_entry(el, JSOSFuture, link); + th->future.get(); + unlink_future(rt, th); + free_future(rt, th); + } + ts->channel = nullptr; + free(ts); + JS_SetRuntimeOpaque(rt, NULL); /* fail safe */ + } + + static void call_handler(JSContext *ctx, JSValueConst func, int count, JSValue *argv) + { + JSValue ret, func1; + /* 'func' might be destroyed when calling itself (if it frees the + handler), so must take extra care */ + func1 = JS_DupValue(ctx, func); + ret = JS_Call(ctx, func1, JS_UNDEFINED, count, argv); + JS_FreeValue(ctx, func1); + if (JS_IsException(ret)) + throw exception{}; + JS_FreeValue(ctx, ret); + } + + static int js_dart_poll(JSContext *ctx) + { + JSRuntime *rt = JS_GetRuntime(ctx); + JSThreadState *ts = (JSThreadState *)JS_GetRuntimeOpaque(rt); + struct list_head *el; + + /* XXX: handle signals if useful */ + + if (list_empty(&ts->os_future)) + return -1; /* no more events */ + + /* XXX: only timers and basic console input are supported */ + if (!list_empty(&ts->os_future)) + { + list_for_each(el, &ts->os_future) + { + JSOSFuture *th = list_entry(el, JSOSFuture, link); + auto status = th->future.wait_for(std::chrono::seconds(0)); + if (status == std::future_status::ready) + { + JSOSFutureArgv argv = th->future.get()(ctx); + JSValue resolve, reject; + int64_t delay; + /* the timer expired */ + resolve = th->resolve; + th->resolve = JS_UNDEFINED; + reject = th->reject; + th->reject = JS_UNDEFINED; + unlink_future(rt, th); + free_future(rt, th); + call_handler(ctx, argv.count < 0 ? reject : resolve, abs(argv.count), argv.argv); + for (int i = 0; i < abs(argv.count); ++i) + JS_FreeValue(ctx, argv.argv[i]); + JS_FreeValue(ctx, resolve); + JS_FreeValue(ctx, reject); + delete argv.argv; + return 0; + } + } + } + return 0; + } +} // namespace qjs \ No newline at end of file diff --git a/android/src/main/jni/js_engine.hpp b/android/src/main/jni/js_engine.hpp new file mode 100644 index 0000000..188fd77 --- /dev/null +++ b/android/src/main/jni/js_engine.hpp @@ -0,0 +1,192 @@ +/* + * @Description: + * @Author: ekibun + * @Date: 2020-08-08 10:30:59 + * @LastEditors: ekibun + * @LastEditTime: 2020-08-12 13:53:59 + */ +#pragma once + +#include +#include +#include +#include +#include +#include + +#include "js_dart_promise.hpp" +#include "quickjs/quickjspp.hpp" + +namespace qjs +{ + struct EngineTask + { + std::string command; + std::string name; + std::function resolve; + std::function reject; + }; + + struct EngineTaskResolver + { + Value result; + std::function resolve; + std::function reject; + }; + + std::string getStackTrack(Value exc) + { + std::string err = (std::string)exc; + if ((bool)exc["stack"]) + err += "\n" + (std::string)exc["stack"]; + return err; + } + + class Engine + { + // 引擎线程 + std::thread thread; + // 任务队列 + std::queue tasks; + // 同步 + std::mutex m_lock; + // 是否关闭提交 + std::atomic stoped; + + void handleException(qjs::Value exc) + { + std::cout << getStackTrack(exc) << std::endl; + } + + public: + inline Engine(DartChannel channel) : stoped{false} + { + thread = std::thread([this, channel] { // 工作线程函数 + // 创建运行环境 + Runtime rt; + js_init_handlers(rt.rt, channel); + Context ctx(rt); + auto &module = ctx.addModule("__DartImpl"); + module.function<&js_dart_future>("__invoke"); + ctx.eval( + R"xxx( + import * as __DartImpl from "__DartImpl"; + globalThis.dart = (method, ...args) => new Promise((res, rej) => + __DartImpl.__invoke((v) => res(JSON.parse(v)), rej, method, JSON.stringify(args))); + )xxx", + "", JS_EVAL_TYPE_MODULE); + std::vector unresolvedTask; + // 循环 + while (!this->stoped) + { + // 获取待执行的task + EngineTask task; + { // 获取一个待执行的 task + std::unique_lock lock{this->m_lock}; // unique_lock 相比 lock_guard 的好处是：可以随时 unlock() 和 lock() + if (!this->tasks.empty()) + { + task = this->tasks.front(); // 取一个 task + this->tasks.pop(); + } + } + // 执行task + if (task.resolve) + try + { + ctx.global()["__evalstr"] = JS_NewString(ctx.ctx, task.command.c_str()); + Value ret = ctx.eval( + R"xxx( + (() => { + const __ret = Promise.resolve(eval(__evalstr)) + .then(v => { + __ret.__value = v; + __ret.__resolved = true; + }).catch(e => { + __ret.__error = e; + __ret.__rejected = true; + }); + return __ret; + })() + )xxx", + task.name.c_str()); + unresolvedTask.emplace_back(EngineTaskResolver{ret, std::move(task.resolve), std::move(task.reject)}); + } + catch (exception e) + { + task.reject(getStackTrack(ctx.getException())); + } + // 执行microtask + JSContext *pctx; + for (;;) + { + int err = JS_ExecutePendingJob(rt.rt, &pctx); + if (err <= 0) + { + if (err < 0) + std::cout << getStackTrack(ctx.getException()) << std::endl; + break; + } + } + // TODO 检查promise状态 + for (auto it = unresolvedTask.begin(); it != unresolvedTask.end();) + { + bool finished = false; + if (it->result["__resolved"]) + { + it->resolve((std::string)it->result["__value"]); + finished = true; + }; + if (it->result["__rejected"]) + { + it->reject(getStackTrack(it->result["__error"])); + finished = true; + }; + if (finished) + it = unresolvedTask.erase(it); + else + ++it; + } + // 检查dart交互 + bool idle = true; + try + { + idle = js_dart_poll(ctx.ctx); + } + catch (exception e) + { + handleException(ctx.getException()); + } + // 空闲时reject所有task + if (idle && !JS_IsJobPending(rt.rt) && !unresolvedTask.empty()) + { + for (EngineTaskResolver &task : unresolvedTask) + { + task.reject("Promise cannot resolve"); + } + unresolvedTask.clear(); + } + } + js_free_handlers(rt.rt); + }); + } + inline ~Engine() + { + stoped.store(true); + if (thread.joinable()) + thread.join(); // 等待任务结束， 前提：线程一定会执行完 + } + + public: + // 提交一个任务 + void commit(EngineTask task) + { + if (stoped.load()) // stop == true ?? + throw std::runtime_error("commit on stopped engine."); + { // 添加任务到队列 + std::lock_guard lock{m_lock}; //对当前块的语句加锁 lock_guard 是 mutex 的 stack 封装类，构造的时候 lock()，析构的时候 unlock() + tasks.emplace(task); + } + } + }; + +} // namespace qjs diff --git a/android/src/main/jni/native-lib.cpp b/android/src/main/jni/native-lib.cpp new file mode 100644 index 0000000..1640387 --- /dev/null +++ b/android/src/main/jni/native-lib.cpp @@ -0,0 +1,164 @@ +/* + * @Description: + * @Author: ekibun + * @Date: 2020-08-09 18:16:11 + * @LastEditors: ekibun + * @LastEditTime: 2020-08-12 23:11:35 + */ +#include +#include +#include "js_engine.hpp" + +qjs::Engine *engine = nullptr; + +// static jobject gClassLoader; +// static jmethodID gFindClassMethod; + +JNIEnv *getEnv(JavaVM *gJvm) +{ + JNIEnv *env; + int status = gJvm->GetEnv((void **)&env, JNI_VERSION_1_6); + if (status < 0) + { + status = gJvm->AttachCurrentThread(&env, NULL); + if (status < 0) + { + return nullptr; + } + } + return env; +} + +// JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *pjvm, void *reserved) +// { +// JNIEnv *env = getEnv(pjvm); +// auto randomClass = env->FindClass("soko/ekibun/flutter_qjs/ResultWrapper"); +// jclass classClass = env->GetObjectClass(randomClass); +// auto classLoaderClass = env->FindClass("java/lang/ClassLoader"); +// auto getClassLoaderMethod = env->GetMethodID(classClass, "getClassLoader", +// "()Ljava/lang/ClassLoader;"); +// gClassLoader = env->NewGlobalRef(env->CallObjectMethod(randomClass, getClassLoaderMethod)); +// gFindClassMethod = env->GetMethodID(classLoaderClass, "findClass", +// "(Ljava/lang/String;)Ljava/lang/Class;"); + +// return JNI_VERSION_1_6; +// } + +// jclass findClass(JNIEnv *env, const char *name) +// { +// return static_cast(env->CallObjectMethod(gClassLoader, gFindClassMethod, env->NewStringUTF(name))); +// } + +void jniResultResolve(JavaVM *jvm, jobject result, std::string data) +{ + JNIEnv *env = getEnv(jvm); + jclass jclazz = env->GetObjectClass(result); + jmethodID jmethod = env->GetMethodID(jclazz, "success", "(Ljava/lang/String;)V"); + jstring jdata = env->NewStringUTF(data.c_str()); + env->CallVoidMethod(result, jmethod, jdata); + env->DeleteLocalRef(jdata); + env->DeleteGlobalRef(result); + jvm->DetachCurrentThread(); +} + +void jniResultReject(JavaVM *jvm, jobject result, std::string reason) +{ + JNIEnv *env = getEnv(jvm); + jclass jclazz = env->GetObjectClass(result); + jmethodID jmethod = env->GetMethodID(jclazz, "error", "(Ljava/lang/String;)V"); + jstring jreason = env->NewStringUTF(reason.c_str()); + env->CallVoidMethod(result, jmethod, jreason); + env->DeleteLocalRef(jreason); + env->DeleteGlobalRef(result); + jvm->DetachCurrentThread(); +} + +void jniChannelInvoke(JavaVM *jvm, jobject channel, std::promise *promise, std::string method, std::string argv) +{ + JNIEnv *env = nullptr; + jvm->GetEnv((void **)&env, JNI_VERSION_1_2); + jvm->AttachCurrentThread(&env, NULL); + jclass jclazz = env->GetObjectClass(channel); + jmethodID jmethod = env->GetMethodID(jclazz, "invokeMethod", "(Ljava/lang/String;Ljava/lang/String;J)V"); + jstring jstrmethod = env->NewStringUTF(method.c_str()); + jstring jstrargv = env->NewStringUTF(argv.c_str()); + + env->CallVoidMethod(channel, jmethod, jstrmethod, jstrargv, (jlong)promise); + env->DeleteLocalRef(jstrmethod); + env->DeleteLocalRef(jstrargv); + jvm->DetachCurrentThread(); +} + +extern "C" JNIEXPORT jint JNICALL +Java_soko_ekibun_flutter_1qjs_JniBridge_initEngine( + JNIEnv *env, + jobject thiz, + jobject channel) +{ + JavaVM *jvm = nullptr; + env->GetJavaVM(&jvm); + jobject gchannel = env->NewGlobalRef(channel); + engine = new qjs::Engine([jvm, gchannel](std::string name, std::string args) { + auto promise = new std::promise(); + jniChannelInvoke(jvm, gchannel, promise, name, args); + return promise->get_future(); + }); + return (jlong)engine; +} + +extern "C" JNIEXPORT void JNICALL +Java_soko_ekibun_flutter_1qjs_JniBridge_evaluate( + JNIEnv *env, + jobject thiz, + jstring script, + jstring name, + jobject result) +{ + JavaVM *jvm = nullptr; + env->GetJavaVM(&jvm); + jobject gresult = env->NewGlobalRef(result); + engine->commit(qjs::EngineTask{ + env->GetStringUTFChars(script, 0), + env->GetStringUTFChars(name, 0), + [jvm, gresult](std::string resolve) { + jniResultResolve(jvm, gresult, resolve); + // flutter::EncodableValue response(resolve); + // presult->Success(&response); + }, + [jvm, gresult](std::string reject) { + jniResultReject(jvm, gresult, reject); + // presult->Error("FlutterJSException", reject); + }}); +} + +extern "C" JNIEXPORT void JNICALL +Java_soko_ekibun_flutter_1qjs_JniBridge_close( + JNIEnv *env, + jobject /* this */) +{ + delete engine; +} + +extern "C" JNIEXPORT void JNICALL +Java_soko_ekibun_flutter_1qjs_JniBridge_resolve( + JNIEnv *env, + jobject clazz, + jlong promise, jstring data) +{ + ((std::promise *)promise)->set_value((qjs::JSFutureReturn)[data = std::string(env->GetStringUTFChars(data, 0))](qjs::JSContext * ctx) { + qjs::JSValue *ret = new qjs::JSValue{JS_NewString(ctx, data.c_str())}; + return qjs::JSOSFutureArgv{1, ret}; + }); +} + +extern "C" JNIEXPORT void JNICALL +Java_soko_ekibun_flutter_1qjs_JniBridge_reject( + JNIEnv *env, + jobject clazz, + jlong promise, jstring data) +{ + ((std::promise *)promise)->set_value((qjs::JSFutureReturn)[data = std::string(env->GetStringUTFChars(data, 0))](qjs::JSContext * ctx) { + qjs::JSValue *ret = new qjs::JSValue{JS_NewString(ctx, data.c_str())}; + return qjs::JSOSFutureArgv{-1, ret}; + }); +} \ No newline at end of file diff --git a/android/src/main/jni/quickjs/VERSION b/android/src/main/jni/quickjs/VERSION new file mode 100644 index 0000000..e970cf6 --- /dev/null +++ b/android/src/main/jni/quickjs/VERSION @@ -0,0 +1 @@ +2020-07-05 diff --git a/android/src/main/jni/quickjs/cutils.c b/android/src/main/jni/quickjs/cutils.c new file mode 100644 index 0000000..64a32d3 --- /dev/null +++ b/android/src/main/jni/quickjs/cutils.c @@ -0,0 +1,620 @@ +/* + * C utilities + * + * Copyright (c) 2017 Fabrice Bellard + * Copyright (c) 2018 Charlie Gordon + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include + +#include "cutils.h" + +void pstrcpy(char *buf, int buf_size, const char *str) +{ + int c; + char *q = buf; + + if (buf_size <= 0) + return; + + for(;;) { + c = *str++; + if (c == 0 || q >= buf + buf_size - 1) + break; + *q++ = c; + } + *q = '\0'; +} + +/* strcat and truncate. */ +char *pstrcat(char *buf, int buf_size, const char *s) +{ + int len; + len = strlen(buf); + if (len < buf_size) + pstrcpy(buf + len, buf_size - len, s); + return buf; +} + +int strstart(const char *str, const char *val, const char **ptr) +{ + const char *p, *q; + p = str; + q = val; + while (*q != '\0') { + if (*p != *q) + return 0; + p++; + q++; + } + if (ptr) + *ptr = p; + return 1; +} + +int has_suffix(const char *str, const char *suffix) +{ + size_t len = strlen(str); + size_t slen = strlen(suffix); + return (len >= slen && !memcmp(str + len - slen, suffix, slen)); +} + +/* Dynamic buffer package */ + +static void *dbuf_default_realloc(void *opaque, void *ptr, size_t size) +{ + return realloc(ptr, size); +} + +void dbuf_init2(DynBuf *s, void *opaque, DynBufReallocFunc *realloc_func) +{ + memset(s, 0, sizeof(*s)); + if (!realloc_func) + realloc_func = dbuf_default_realloc; + s->opaque = opaque; + s->realloc_func = realloc_func; +} + +void dbuf_init(DynBuf *s) +{ + dbuf_init2(s, NULL, NULL); +} + +/* return < 0 if error */ +int dbuf_realloc(DynBuf *s, size_t new_size) +{ + size_t size; + uint8_t *new_buf; + if (new_size > s->allocated_size) { + if (s->error) + return -1; + size = s->allocated_size * 3 / 2; + if (size > new_size) + new_size = size; + new_buf = s->realloc_func(s->opaque, s->buf, new_size); + if (!new_buf) { + s->error = TRUE; + return -1; + } + s->buf = new_buf; + s->allocated_size = new_size; + } + return 0; +} + +int dbuf_write(DynBuf *s, size_t offset, const uint8_t *data, size_t len) +{ + size_t end; + end = offset + len; + if (dbuf_realloc(s, end)) + return -1; + memcpy(s->buf + offset, data, len); + if (end > s->size) + s->size = end; + return 0; +} + +int dbuf_put(DynBuf *s, const uint8_t *data, size_t len) +{ + if (unlikely((s->size + len) > s->allocated_size)) { + if (dbuf_realloc(s, s->size + len)) + return -1; + } + memcpy(s->buf + s->size, data, len); + s->size += len; + return 0; +} + +int dbuf_put_self(DynBuf *s, size_t offset, size_t len) +{ + if (unlikely((s->size + len) > s->allocated_size)) { + if (dbuf_realloc(s, s->size + len)) + return -1; + } + memcpy(s->buf + s->size, s->buf + offset, len); + s->size += len; + return 0; +} + +int dbuf_putc(DynBuf *s, uint8_t c) +{ + return dbuf_put(s, &c, 1); +} + +int dbuf_putstr(DynBuf *s, const char *str) +{ + return dbuf_put(s, (const uint8_t *)str, strlen(str)); +} + +int __attribute__((format(printf, 2, 3))) dbuf_printf(DynBuf *s, + const char *fmt, ...) +{ + va_list ap; + char buf[128]; + int len; + + va_start(ap, fmt); + len = vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + if (len < sizeof(buf)) { + /* fast case */ + return dbuf_put(s, (uint8_t *)buf, len); + } else { + if (dbuf_realloc(s, s->size + len + 1)) + return -1; + va_start(ap, fmt); + vsnprintf((char *)(s->buf + s->size), s->allocated_size - s->size, + fmt, ap); + va_end(ap); + s->size += len; + } + return 0; +} + +void dbuf_free(DynBuf *s) +{ + /* we test s->buf as a fail safe to avoid crashing if dbuf_free() + is called twice */ + if (s->buf) { + s->realloc_func(s->opaque, s->buf, 0); + } + memset(s, 0, sizeof(*s)); +} + +/* Note: at most 31 bits are encoded. At most UTF8_CHAR_LEN_MAX bytes + are output. */ +int unicode_to_utf8(uint8_t *buf, unsigned int c) +{ + uint8_t *q = buf; + + if (c < 0x80) { + *q++ = c; + } else { + if (c < 0x800) { + *q++ = (c >> 6) | 0xc0; + } else { + if (c < 0x10000) { + *q++ = (c >> 12) | 0xe0; + } else { + if (c < 0x00200000) { + *q++ = (c >> 18) | 0xf0; + } else { + if (c < 0x04000000) { + *q++ = (c >> 24) | 0xf8; + } else if (c < 0x80000000) { + *q++ = (c >> 30) | 0xfc; + *q++ = ((c >> 24) & 0x3f) | 0x80; + } else { + return 0; + } + *q++ = ((c >> 18) & 0x3f) | 0x80; + } + *q++ = ((c >> 12) & 0x3f) | 0x80; + } + *q++ = ((c >> 6) & 0x3f) | 0x80; + } + *q++ = (c & 0x3f) | 0x80; + } + return q - buf; +} + +static const unsigned int utf8_min_code[5] = { + 0x80, 0x800, 0x10000, 0x00200000, 0x04000000, +}; + +static const unsigned char utf8_first_code_mask[5] = { + 0x1f, 0xf, 0x7, 0x3, 0x1, +}; + +/* return -1 if error. *pp is not updated in this case. max_len must + be >= 1. The maximum length for a UTF8 byte sequence is 6 bytes. */ +int unicode_from_utf8(const uint8_t *p, int max_len, const uint8_t **pp) +{ + int l, c, b, i; + + c = *p++; + if (c < 0x80) { + *pp = p; + return c; + } + switch(c) { + case 0xc0 ... 0xdf: + l = 1; + break; + case 0xe0 ... 0xef: + l = 2; + break; + case 0xf0 ... 0xf7: + l = 3; + break; + case 0xf8 ... 0xfb: + l = 4; + break; + case 0xfc ... 0xfd: + l = 5; + break; + default: + return -1; + } + /* check that we have enough characters */ + if (l > (max_len - 1)) + return -1; + c &= utf8_first_code_mask[l - 1]; + for(i = 0; i < l; i++) { + b = *p++; + if (b < 0x80 || b >= 0xc0) + return -1; + c = (c << 6) | (b & 0x3f); + } + if (c < utf8_min_code[l - 1]) + return -1; + *pp = p; + return c; +} + +#if 0 + +#if defined(EMSCRIPTEN) || defined(__ANDROID__) + +static void *rqsort_arg; +static int (*rqsort_cmp)(const void *, const void *, void *); + +static int rqsort_cmp2(const void *p1, const void *p2) +{ + return rqsort_cmp(p1, p2, rqsort_arg); +} + +/* not reentrant, but not needed with emscripten */ +void rqsort(void *base, size_t nmemb, size_t size, + int (*cmp)(const void *, const void *, void *), + void *arg) +{ + rqsort_arg = arg; + rqsort_cmp = cmp; + qsort(base, nmemb, size, rqsort_cmp2); +} + +#endif + +#else + +typedef void (*exchange_f)(void *a, void *b, size_t size); +typedef int (*cmp_f)(const void *, const void *, void *opaque); + +static void exchange_bytes(void *a, void *b, size_t size) { + uint8_t *ap = (uint8_t *)a; + uint8_t *bp = (uint8_t *)b; + + while (size-- != 0) { + uint8_t t = *ap; + *ap++ = *bp; + *bp++ = t; + } +} + +static void exchange_one_byte(void *a, void *b, size_t size) { + uint8_t *ap = (uint8_t *)a; + uint8_t *bp = (uint8_t *)b; + uint8_t t = *ap; + *ap = *bp; + *bp = t; +} + +static void exchange_int16s(void *a, void *b, size_t size) { + uint16_t *ap = (uint16_t *)a; + uint16_t *bp = (uint16_t *)b; + + for (size /= sizeof(uint16_t); size-- != 0;) { + uint16_t t = *ap; + *ap++ = *bp; + *bp++ = t; + } +} + +static void exchange_one_int16(void *a, void *b, size_t size) { + uint16_t *ap = (uint16_t *)a; + uint16_t *bp = (uint16_t *)b; + uint16_t t = *ap; + *ap = *bp; + *bp = t; +} + +static void exchange_int32s(void *a, void *b, size_t size) { + uint32_t *ap = (uint32_t *)a; + uint32_t *bp = (uint32_t *)b; + + for (size /= sizeof(uint32_t); size-- != 0;) { + uint32_t t = *ap; + *ap++ = *bp; + *bp++ = t; + } +} + +static void exchange_one_int32(void *a, void *b, size_t size) { + uint32_t *ap = (uint32_t *)a; + uint32_t *bp = (uint32_t *)b; + uint32_t t = *ap; + *ap = *bp; + *bp = t; +} + +static void exchange_int64s(void *a, void *b, size_t size) { + uint64_t *ap = (uint64_t *)a; + uint64_t *bp = (uint64_t *)b; + + for (size /= sizeof(uint64_t); size-- != 0;) { + uint64_t t = *ap; + *ap++ = *bp; + *bp++ = t; + } +} + +static void exchange_one_int64(void *a, void *b, size_t size) { + uint64_t *ap = (uint64_t *)a; + uint64_t *bp = (uint64_t *)b; + uint64_t t = *ap; + *ap = *bp; + *bp = t; +} + +static void exchange_int128s(void *a, void *b, size_t size) { + uint64_t *ap = (uint64_t *)a; + uint64_t *bp = (uint64_t *)b; + + for (size /= sizeof(uint64_t) * 2; size-- != 0; ap += 2, bp += 2) { + uint64_t t = ap[0]; + uint64_t u = ap[1]; + ap[0] = bp[0]; + ap[1] = bp[1]; + bp[0] = t; + bp[1] = u; + } +} + +static void exchange_one_int128(void *a, void *b, size_t size) { + uint64_t *ap = (uint64_t *)a; + uint64_t *bp = (uint64_t *)b; + uint64_t t = ap[0]; + uint64_t u = ap[1]; + ap[0] = bp[0]; + ap[1] = bp[1]; + bp[0] = t; + bp[1] = u; +} + +static inline exchange_f exchange_func(const void *base, size_t size) { + switch (((uintptr_t)base | (uintptr_t)size) & 15) { + case 0: + if (size == sizeof(uint64_t) * 2) + return exchange_one_int128; + else + return exchange_int128s; + case 8: + if (size == sizeof(uint64_t)) + return exchange_one_int64; + else + return exchange_int64s; + case 4: + case 12: + if (size == sizeof(uint32_t)) + return exchange_one_int32; + else + return exchange_int32s; + case 2: + case 6: + case 10: + case 14: + if (size == sizeof(uint16_t)) + return exchange_one_int16; + else + return exchange_int16s; + default: + if (size == 1) + return exchange_one_byte; + else + return exchange_bytes; + } +} + +static void heapsortx(void *base, size_t nmemb, size_t size, cmp_f cmp, void *opaque) +{ + uint8_t *basep = (uint8_t *)base; + size_t i, n, c, r; + exchange_f swap = exchange_func(base, size); + + if (nmemb > 1) { + i = (nmemb / 2) * size; + n = nmemb * size; + + while (i > 0) { + i -= size; + for (r = i; (c = r * 2 + size) < n; r = c) { + if (c < n - size && cmp(basep + c, basep + c + size, opaque) <= 0) + c += size; + if (cmp(basep + r, basep + c, opaque) > 0) + break; + swap(basep + r, basep + c, size); + } + } + for (i = n - size; i > 0; i -= size) { + swap(basep, basep + i, size); + + for (r = 0; (c = r * 2 + size) < i; r = c) { + if (c < i - size && cmp(basep + c, basep + c + size, opaque) <= 0) + c += size; + if (cmp(basep + r, basep + c, opaque) > 0) + break; + swap(basep + r, basep + c, size); + } + } + } +} + +static inline void *med3(void *a, void *b, void *c, cmp_f cmp, void *opaque) +{ + return cmp(a, b, opaque) < 0 ? + (cmp(b, c, opaque) < 0 ? b : (cmp(a, c, opaque) < 0 ? c : a )) : + (cmp(b, c, opaque) > 0 ? b : (cmp(a, c, opaque) < 0 ? a : c )); +} + +/* pointer based version with local stack and insertion sort threshhold */ +void rqsort(void *base, size_t nmemb, size_t size, cmp_f cmp, void *opaque) +{ + struct { uint8_t *base; size_t count; int depth; } stack[50], *sp = stack; + uint8_t *ptr, *pi, *pj, *plt, *pgt, *top, *m; + size_t m4, i, lt, gt, span, span2; + int c, depth; + exchange_f swap = exchange_func(base, size); + exchange_f swap_block = exchange_func(base, size | 128); + + if (nmemb < 2 || size <= 0) + return; + + sp->base = (uint8_t *)base; + sp->count = nmemb; + sp->depth = 0; + sp++; + + while (sp > stack) { + sp--; + ptr = sp->base; + nmemb = sp->count; + depth = sp->depth; + + while (nmemb > 6) { + if (++depth > 50) { + /* depth check to ensure worst case logarithmic time */ + heapsortx(ptr, nmemb, size, cmp, opaque); + nmemb = 0; + break; + } + /* select median of 3 from 1/4, 1/2, 3/4 positions */ + /* should use median of 5 or 9? */ + m4 = (nmemb >> 2) * size; + m = med3(ptr + m4, ptr + 2 * m4, ptr + 3 * m4, cmp, opaque); + swap(ptr, m, size); /* move the pivot to the start or the array */ + i = lt = 1; + pi = plt = ptr + size; + gt = nmemb; + pj = pgt = top = ptr + nmemb * size; + for (;;) { + while (pi < pj && (c = cmp(ptr, pi, opaque)) >= 0) { + if (c == 0) { + swap(plt, pi, size); + lt++; + plt += size; + } + i++; + pi += size; + } + while (pi < (pj -= size) && (c = cmp(ptr, pj, opaque)) <= 0) { + if (c == 0) { + gt--; + pgt -= size; + swap(pgt, pj, size); + } + } + if (pi >= pj) + break; + swap(pi, pj, size); + i++; + pi += size; + } + /* array has 4 parts: + * from 0 to lt excluded: elements identical to pivot + * from lt to pi excluded: elements smaller than pivot + * from pi to gt excluded: elements greater than pivot + * from gt to n excluded: elements identical to pivot + */ + /* move elements identical to pivot in the middle of the array: */ + /* swap values in ranges [0..lt[ and [i-lt..i[ + swapping the smallest span between lt and i-lt is sufficient + */ + span = plt - ptr; + span2 = pi - plt; + lt = i - lt; + if (span > span2) + span = span2; + swap_block(ptr, pi - span, span); + /* swap values in ranges [gt..top[ and [i..top-(top-gt)[ + swapping the smallest span between top-gt and gt-i is sufficient + */ + span = top - pgt; + span2 = pgt - pi; + pgt = top - span2; + gt = nmemb - (gt - i); + if (span > span2) + span = span2; + swap_block(pi, top - span, span); + + /* now array has 3 parts: + * from 0 to lt excluded: elements smaller than pivot + * from lt to gt excluded: elements identical to pivot + * from gt to n excluded: elements greater than pivot + */ + /* stack the larger segment and keep processing the smaller one + to minimize stack use for pathological distributions */ + if (lt > nmemb - gt) { + sp->base = ptr; + sp->count = lt; + sp->depth = depth; + sp++; + ptr = pgt; + nmemb -= gt; + } else { + sp->base = pgt; + sp->count = nmemb - gt; + sp->depth = depth; + sp++; + nmemb = lt; + } + } + /* Use insertion sort for small fragments */ + for (pi = ptr + size, top = ptr + nmemb * size; pi < top; pi += size) { + for (pj = pi; pj > ptr && cmp(pj - size, pj, opaque) > 0; pj -= size) + swap(pj, pj - size, size); + } + } +} + +#endif diff --git a/android/src/main/jni/quickjs/cutils.h b/android/src/main/jni/quickjs/cutils.h new file mode 100644 index 0000000..31f7cd8 --- /dev/null +++ b/android/src/main/jni/quickjs/cutils.h @@ -0,0 +1,297 @@ +/* + * C utilities + * + * Copyright (c) 2017 Fabrice Bellard + * Copyright (c) 2018 Charlie Gordon + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef CUTILS_H +#define CUTILS_H + +#include +#include + +/* set if CPU is big endian */ +#undef WORDS_BIGENDIAN + +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#define force_inline inline __attribute__((always_inline)) +#define no_inline __attribute__((noinline)) +#define __maybe_unused __attribute__((unused)) + +#define xglue(x, y) x ## y +#define glue(x, y) xglue(x, y) +#define stringify(s) tostring(s) +#define tostring(s) #s + +#ifndef offsetof +#define offsetof(type, field) ((size_t) &((type *)0)->field) +#endif +#ifndef countof +#define countof(x) (sizeof(x) / sizeof((x)[0])) +#endif + +typedef int BOOL; + +#ifndef FALSE +enum { + FALSE = 0, + TRUE = 1, +}; +#endif + +void pstrcpy(char *buf, int buf_size, const char *str); +char *pstrcat(char *buf, int buf_size, const char *s); +int strstart(const char *str, const char *val, const char **ptr); +int has_suffix(const char *str, const char *suffix); + +static inline int max_int(int a, int b) +{ + if (a > b) + return a; + else + return b; +} + +static inline int min_int(int a, int b) +{ + if (a < b) + return a; + else + return b; +} + +static inline uint32_t max_uint32(uint32_t a, uint32_t b) +{ + if (a > b) + return a; + else + return b; +} + +static inline uint32_t min_uint32(uint32_t a, uint32_t b) +{ + if (a < b) + return a; + else + return b; +} + +static inline int64_t max_int64(int64_t a, int64_t b) +{ + if (a > b) + return a; + else + return b; +} + +static inline int64_t min_int64(int64_t a, int64_t b) +{ + if (a < b) + return a; + else + return b; +} + +/* WARNING: undefined if a = 0 */ +static inline int clz32(unsigned int a) +{ + return __builtin_clz(a); +} + +/* WARNING: undefined if a = 0 */ +static inline int clz64(uint64_t a) +{ + return __builtin_clzll(a); +} + +/* WARNING: undefined if a = 0 */ +static inline int ctz32(unsigned int a) +{ + return __builtin_ctz(a); +} + +/* WARNING: undefined if a = 0 */ +static inline int ctz64(uint64_t a) +{ + return __builtin_ctzll(a); +} + +struct __attribute__((packed)) packed_u64 { + uint64_t v; +}; + +struct __attribute__((packed)) packed_u32 { + uint32_t v; +}; + +struct __attribute__((packed)) packed_u16 { + uint16_t v; +}; + +static inline uint64_t get_u64(const uint8_t *tab) +{ + return ((const struct packed_u64 *)tab)->v; +} + +static inline int64_t get_i64(const uint8_t *tab) +{ + return (int64_t)((const struct packed_u64 *)tab)->v; +} + +static inline void put_u64(uint8_t *tab, uint64_t val) +{ + ((struct packed_u64 *)tab)->v = val; +} + +static inline uint32_t get_u32(const uint8_t *tab) +{ + return ((const struct packed_u32 *)tab)->v; +} + +static inline int32_t get_i32(const uint8_t *tab) +{ + return (int32_t)((const struct packed_u32 *)tab)->v; +} + +static inline void put_u32(uint8_t *tab, uint32_t val) +{ + ((struct packed_u32 *)tab)->v = val; +} + +static inline uint32_t get_u16(const uint8_t *tab) +{ + return ((const struct packed_u16 *)tab)->v; +} + +static inline int32_t get_i16(const uint8_t *tab) +{ + return (int16_t)((const struct packed_u16 *)tab)->v; +} + +static inline void put_u16(uint8_t *tab, uint16_t val) +{ + ((struct packed_u16 *)tab)->v = val; +} + +static inline uint32_t get_u8(const uint8_t *tab) +{ + return *tab; +} + +static inline int32_t get_i8(const uint8_t *tab) +{ + return (int8_t)*tab; +} + +static inline void put_u8(uint8_t *tab, uint8_t val) +{ + *tab = val; +} + +static inline uint16_t bswap16(uint16_t x) +{ + return (x >> 8) | (x << 8); +} + +static inline uint32_t bswap32(uint32_t v) +{ + return ((v & 0xff000000) >> 24) | ((v & 0x00ff0000) >> 8) | + ((v & 0x0000ff00) << 8) | ((v & 0x000000ff) << 24); +} + +static inline uint64_t bswap64(uint64_t v) +{ + return ((v & ((uint64_t)0xff << (7 * 8))) >> (7 * 8)) | + ((v & ((uint64_t)0xff << (6 * 8))) >> (5 * 8)) | + ((v & ((uint64_t)0xff << (5 * 8))) >> (3 * 8)) | + ((v & ((uint64_t)0xff << (4 * 8))) >> (1 * 8)) | + ((v & ((uint64_t)0xff << (3 * 8))) << (1 * 8)) | + ((v & ((uint64_t)0xff << (2 * 8))) << (3 * 8)) | + ((v & ((uint64_t)0xff << (1 * 8))) << (5 * 8)) | + ((v & ((uint64_t)0xff << (0 * 8))) << (7 * 8)); +} + +/* XXX: should take an extra argument to pass slack information to the caller */ +typedef void *DynBufReallocFunc(void *opaque, void *ptr, size_t size); + +typedef struct DynBuf { + uint8_t *buf; + size_t size; + size_t allocated_size; + BOOL error; /* true if a memory allocation error occurred */ + DynBufReallocFunc *realloc_func; + void *opaque; /* for realloc_func */ +} DynBuf; + +void dbuf_init(DynBuf *s); +void dbuf_init2(DynBuf *s, void *opaque, DynBufReallocFunc *realloc_func); +int dbuf_realloc(DynBuf *s, size_t new_size); +int dbuf_write(DynBuf *s, size_t offset, const uint8_t *data, size_t len); +int dbuf_put(DynBuf *s, const uint8_t *data, size_t len); +int dbuf_put_self(DynBuf *s, size_t offset, size_t len); +int dbuf_putc(DynBuf *s, uint8_t c); +int dbuf_putstr(DynBuf *s, const char *str); +static inline int dbuf_put_u16(DynBuf *s, uint16_t val) +{ + return dbuf_put(s, (uint8_t *)&val, 2); +} +static inline int dbuf_put_u32(DynBuf *s, uint32_t val) +{ + return dbuf_put(s, (uint8_t *)&val, 4); +} +static inline int dbuf_put_u64(DynBuf *s, uint64_t val) +{ + return dbuf_put(s, (uint8_t *)&val, 8); +} +int __attribute__((format(printf, 2, 3))) dbuf_printf(DynBuf *s, + const char *fmt, ...); +void dbuf_free(DynBuf *s); +static inline BOOL dbuf_error(DynBuf *s) { + return s->error; +} +static inline void dbuf_set_error(DynBuf *s) +{ + s->error = TRUE; +} + +#define UTF8_CHAR_LEN_MAX 6 + +int unicode_to_utf8(uint8_t *buf, unsigned int c); +int unicode_from_utf8(const uint8_t *p, int max_len, const uint8_t **pp); + +static inline int from_hex(int c) +{ + if (c >= '0' && c <= '9') + return c - '0'; + else if (c >= 'A' && c <= 'F') + return c - 'A' + 10; + else if (c >= 'a' && c <= 'f') + return c - 'a' + 10; + else + return -1; +} + +void rqsort(void *base, size_t nmemb, size_t size, + int (*cmp)(const void *, const void *, void *), + void *arg); + +#endif /* CUTILS_H */ diff --git a/android/src/main/jni/quickjs/libregexp-opcode.h b/android/src/main/jni/quickjs/libregexp-opcode.h new file mode 100644 index 0000000..f90c23b --- /dev/null +++ b/android/src/main/jni/quickjs/libregexp-opcode.h @@ -0,0 +1,58 @@ +/* + * Regular Expression Engine + * + * Copyright (c) 2017-2018 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifdef DEF + +DEF(invalid, 1) /* never used */ +DEF(char, 3) +DEF(char32, 5) +DEF(dot, 1) +DEF(any, 1) /* same as dot but match any character including line terminator */ +DEF(line_start, 1) +DEF(line_end, 1) +DEF(goto, 5) +DEF(split_goto_first, 5) +DEF(split_next_first, 5) +DEF(match, 1) +DEF(save_start, 2) /* save start position */ +DEF(save_end, 2) /* save end position, must come after saved_start */ +DEF(save_reset, 3) /* reset save positions */ +DEF(loop, 5) /* decrement the top the stack and goto if != 0 */ +DEF(push_i32, 5) /* push integer on the stack */ +DEF(drop, 1) +DEF(word_boundary, 1) +DEF(not_word_boundary, 1) +DEF(back_reference, 2) +DEF(backward_back_reference, 2) /* must come after back_reference */ +DEF(range, 3) /* variable length */ +DEF(range32, 3) /* variable length */ +DEF(lookahead, 5) +DEF(negative_lookahead, 5) +DEF(push_char_pos, 1) /* push the character position on the stack */ +DEF(bne_char_pos, 5) /* pop one stack element and jump if equal to the character + position */ +DEF(prev, 1) /* go to the previous char */ +DEF(simple_greedy_quant, 17) + +#endif /* DEF */ diff --git a/android/src/main/jni/quickjs/libregexp.c b/android/src/main/jni/quickjs/libregexp.c new file mode 100644 index 0000000..b455bf2 --- /dev/null +++ b/android/src/main/jni/quickjs/libregexp.c @@ -0,0 +1,2588 @@ +/* + * Regular Expression Engine + * + * Copyright (c) 2017-2018 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include +#include +#include + +#include "cutils.h" +#include "libregexp.h" + +/* + TODO: + + - Add full unicode canonicalize rules for character ranges (not + really useful but needed for exact "ignorecase" compatibility). + + - Add a lock step execution mode (=linear time execution guaranteed) + when the regular expression is "simple" i.e. no backreference nor + complicated lookahead. The opcodes are designed for this execution + model. +*/ + +#if defined(TEST) +#define DUMP_REOP +#endif + +typedef enum { +#define DEF(id, size) REOP_ ## id, +#include "libregexp-opcode.h" +#undef DEF + REOP_COUNT, +} REOPCodeEnum; + +#define CAPTURE_COUNT_MAX 255 +#define STACK_SIZE_MAX 255 + +/* unicode code points */ +#define CP_LS 0x2028 +#define CP_PS 0x2029 + +#define TMP_BUF_SIZE 128 + +typedef struct { + DynBuf byte_code; + const uint8_t *buf_ptr; + const uint8_t *buf_end; + const uint8_t *buf_start; + int re_flags; + BOOL is_utf16; + BOOL ignore_case; + BOOL dotall; + int capture_count; + int total_capture_count; /* -1 = not computed yet */ + int has_named_captures; /* -1 = don't know, 0 = no, 1 = yes */ + void *mem_opaque; + DynBuf group_names; + union { + char error_msg[TMP_BUF_SIZE]; + char tmp_buf[TMP_BUF_SIZE]; + } u; +} REParseState; + +typedef struct { +#ifdef DUMP_REOP + const char *name; +#endif + uint8_t size; +} REOpCode; + +static const REOpCode reopcode_info[REOP_COUNT] = { +#ifdef DUMP_REOP +#define DEF(id, size) { #id, size }, +#else +#define DEF(id, size) { size }, +#endif +#include "libregexp-opcode.h" +#undef DEF +}; + +#define RE_HEADER_FLAGS 0 +#define RE_HEADER_CAPTURE_COUNT 1 +#define RE_HEADER_STACK_SIZE 2 + +#define RE_HEADER_LEN 7 + +static inline int is_digit(int c) { + return c >= '0' && c <= '9'; +} + +/* insert 'len' bytes at position 'pos'. Return < 0 if error. */ +static int dbuf_insert(DynBuf *s, int pos, int len) +{ + if (dbuf_realloc(s, s->size + len)) + return -1; + memmove(s->buf + pos + len, s->buf + pos, s->size - pos); + s->size += len; + return 0; +} + +/* canonicalize with the specific JS regexp rules */ +static uint32_t lre_canonicalize(uint32_t c, BOOL is_utf16) +{ + uint32_t res[LRE_CC_RES_LEN_MAX]; + int len; + if (is_utf16) { + if (likely(c < 128)) { + if (c >= 'A' && c <= 'Z') + c = c - 'A' + 'a'; + } else { + lre_case_conv(res, c, 2); + c = res[0]; + } + } else { + if (likely(c < 128)) { + if (c >= 'a' && c <= 'z') + c = c - 'a' + 'A'; + } else { + /* legacy regexp: to upper case if single char >= 128 */ + len = lre_case_conv(res, c, FALSE); + if (len == 1 && res[0] >= 128) + c = res[0]; + } + } + return c; +} + +static const uint16_t char_range_d[] = { + 1, + 0x0030, 0x0039 + 1, +}; + +/* code point ranges for Zs,Zl or Zp property */ +static const uint16_t char_range_s[] = { + 10, + 0x0009, 0x000D + 1, + 0x0020, 0x0020 + 1, + 0x00A0, 0x00A0 + 1, + 0x1680, 0x1680 + 1, + 0x2000, 0x200A + 1, + /* 2028;LINE SEPARATOR;Zl;0;WS;;;;;N;;;;; */ + /* 2029;PARAGRAPH SEPARATOR;Zp;0;B;;;;;N;;;;; */ + 0x2028, 0x2029 + 1, + 0x202F, 0x202F + 1, + 0x205F, 0x205F + 1, + 0x3000, 0x3000 + 1, + /* FEFF;ZERO WIDTH NO-BREAK SPACE;Cf;0;BN;;;;;N;BYTE ORDER MARK;;;; */ + 0xFEFF, 0xFEFF + 1, +}; + +BOOL lre_is_space(int c) +{ + int i, n, low, high; + n = (countof(char_range_s) - 1) / 2; + for(i = 0; i < n; i++) { + low = char_range_s[2 * i + 1]; + if (c < low) + return FALSE; + high = char_range_s[2 * i + 2]; + if (c < high) + return TRUE; + } + return FALSE; +} + +uint32_t const lre_id_start_table_ascii[4] = { + /* $ A-Z _ a-z */ + 0x00000000, 0x00000010, 0x87FFFFFE, 0x07FFFFFE +}; + +uint32_t const lre_id_continue_table_ascii[4] = { + /* $ 0-9 A-Z _ a-z */ + 0x00000000, 0x03FF0010, 0x87FFFFFE, 0x07FFFFFE +}; + + +static const uint16_t char_range_w[] = { + 4, + 0x0030, 0x0039 + 1, + 0x0041, 0x005A + 1, + 0x005F, 0x005F + 1, + 0x0061, 0x007A + 1, +}; + +#define CLASS_RANGE_BASE 0x40000000 + +typedef enum { + CHAR_RANGE_d, + CHAR_RANGE_D, + CHAR_RANGE_s, + CHAR_RANGE_S, + CHAR_RANGE_w, + CHAR_RANGE_W, +} CharRangeEnum; + +static const uint16_t *char_range_table[] = { + char_range_d, + char_range_s, + char_range_w, +}; + +static int cr_init_char_range(REParseState *s, CharRange *cr, uint32_t c) +{ + BOOL invert; + const uint16_t *c_pt; + int len, i; + + invert = c & 1; + c_pt = char_range_table[c >> 1]; + len = *c_pt++; + cr_init(cr, s->mem_opaque, lre_realloc); + for(i = 0; i < len * 2; i++) { + if (cr_add_point(cr, c_pt[i])) + goto fail; + } + if (invert) { + if (cr_invert(cr)) + goto fail; + } + return 0; + fail: + cr_free(cr); + return -1; +} + +static int cr_canonicalize(CharRange *cr) +{ + CharRange a; + uint32_t pt[2]; + int i, ret; + + cr_init(&a, cr->mem_opaque, lre_realloc); + pt[0] = 'a'; + pt[1] = 'z' + 1; + ret = cr_op(&a, cr->points, cr->len, pt, 2, CR_OP_INTER); + if (ret) + goto fail; + /* convert to upper case */ + /* XXX: the generic unicode case would be much more complicated + and not really useful */ + for(i = 0; i < a.len; i++) { + a.points[i] += 'A' - 'a'; + } + /* Note: for simplicity we keep the lower case ranges */ + ret = cr_union1(cr, a.points, a.len); + fail: + cr_free(&a); + return ret; +} + +#ifdef DUMP_REOP +static __maybe_unused void lre_dump_bytecode(const uint8_t *buf, + int buf_len) +{ + int pos, len, opcode, bc_len, re_flags, i; + uint32_t val; + + assert(buf_len >= RE_HEADER_LEN); + + re_flags= buf[0]; + bc_len = get_u32(buf + 3); + assert(bc_len + RE_HEADER_LEN <= buf_len); + printf("flags: 0x%x capture_count=%d stack_size=%d\n", + re_flags, buf[1], buf[2]); + if (re_flags & LRE_FLAG_NAMED_GROUPS) { + const char *p; + p = (char *)buf + RE_HEADER_LEN + bc_len; + printf("named groups: "); + for(i = 1; i < buf[1]; i++) { + if (i != 1) + printf(","); + printf("<%s>", p); + p += strlen(p) + 1; + } + printf("\n"); + assert(p == (char *)(buf + buf_len)); + } + printf("bytecode_len=%d\n", bc_len); + + buf += RE_HEADER_LEN; + pos = 0; + while (pos < bc_len) { + printf("%5u: ", pos); + opcode = buf[pos]; + len = reopcode_info[opcode].size; + if (opcode >= REOP_COUNT) { + printf(" invalid opcode=0x%02x\n", opcode); + break; + } + if ((pos + len) > bc_len) { + printf(" buffer overflow (opcode=0x%02x)\n", opcode); + break; + } + printf("%s", reopcode_info[opcode].name); + switch(opcode) { + case REOP_char: + val = get_u16(buf + pos + 1); + if (val >= ' ' && val <= 126) + printf(" '%c'", val); + else + printf(" 0x%04x", val); + break; + case REOP_char32: + val = get_u32(buf + pos + 1); + if (val >= ' ' && val <= 126) + printf(" '%c'", val); + else + printf(" 0x%08x", val); + break; + case REOP_goto: + case REOP_split_goto_first: + case REOP_split_next_first: + case REOP_loop: + case REOP_lookahead: + case REOP_negative_lookahead: + case REOP_bne_char_pos: + val = get_u32(buf + pos + 1); + val += (pos + 5); + printf(" %u", val); + break; + case REOP_simple_greedy_quant: + printf(" %u %u %u %u", + get_u32(buf + pos + 1) + (pos + 17), + get_u32(buf + pos + 1 + 4), + get_u32(buf + pos + 1 + 8), + get_u32(buf + pos + 1 + 12)); + break; + case REOP_save_start: + case REOP_save_end: + case REOP_back_reference: + case REOP_backward_back_reference: + printf(" %u", buf[pos + 1]); + break; + case REOP_save_reset: + printf(" %u %u", buf[pos + 1], buf[pos + 2]); + break; + case REOP_push_i32: + val = get_u32(buf + pos + 1); + printf(" %d", val); + break; + case REOP_range: + { + int n, i; + n = get_u16(buf + pos + 1); + len += n * 4; + for(i = 0; i < n * 2; i++) { + val = get_u16(buf + pos + 3 + i * 2); + printf(" 0x%04x", val); + } + } + break; + case REOP_range32: + { + int n, i; + n = get_u16(buf + pos + 1); + len += n * 8; + for(i = 0; i < n * 2; i++) { + val = get_u32(buf + pos + 3 + i * 4); + printf(" 0x%08x", val); + } + } + break; + default: + break; + } + printf("\n"); + pos += len; + } +} +#endif + +static void re_emit_op(REParseState *s, int op) +{ + dbuf_putc(&s->byte_code, op); +} + +/* return the offset of the u32 value */ +static int re_emit_op_u32(REParseState *s, int op, uint32_t val) +{ + int pos; + dbuf_putc(&s->byte_code, op); + pos = s->byte_code.size; + dbuf_put_u32(&s->byte_code, val); + return pos; +} + +static int re_emit_goto(REParseState *s, int op, uint32_t val) +{ + int pos; + dbuf_putc(&s->byte_code, op); + pos = s->byte_code.size; + dbuf_put_u32(&s->byte_code, val - (pos + 4)); + return pos; +} + +static void re_emit_op_u8(REParseState *s, int op, uint32_t val) +{ + dbuf_putc(&s->byte_code, op); + dbuf_putc(&s->byte_code, val); +} + +static void re_emit_op_u16(REParseState *s, int op, uint32_t val) +{ + dbuf_putc(&s->byte_code, op); + dbuf_put_u16(&s->byte_code, val); +} + +static int __attribute__((format(printf, 2, 3))) re_parse_error(REParseState *s, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + vsnprintf(s->u.error_msg, sizeof(s->u.error_msg), fmt, ap); + va_end(ap); + return -1; +} + +static int re_parse_out_of_memory(REParseState *s) +{ + return re_parse_error(s, "out of memory"); +} + +/* If allow_overflow is false, return -1 in case of + overflow. Otherwise return INT32_MAX. */ +static int parse_digits(const uint8_t **pp, BOOL allow_overflow) +{ + const uint8_t *p; + uint64_t v; + int c; + + p = *pp; + v = 0; + for(;;) { + c = *p; + if (c < '0' || c > '9') + break; + v = v * 10 + c - '0'; + if (v >= INT32_MAX) { + if (allow_overflow) + v = INT32_MAX; + else + return -1; + } + p++; + } + *pp = p; + return v; +} + +static int re_parse_expect(REParseState *s, const uint8_t **pp, int c) +{ + const uint8_t *p; + p = *pp; + if (*p != c) + return re_parse_error(s, "expecting '%c'", c); + p++; + *pp = p; + return 0; +} + +/* Parse an escape sequence, *pp points after the '\': + allow_utf16 value: + 0 : no UTF-16 escapes allowed + 1 : UTF-16 escapes allowed + 2 : UTF-16 escapes allowed and escapes of surrogate pairs are + converted to a unicode character (unicode regexp case). + + Return the unicode char and update *pp if recognized, + return -1 if malformed escape, + return -2 otherwise. */ +int lre_parse_escape(const uint8_t **pp, int allow_utf16) +{ + const uint8_t *p; + uint32_t c; + + p = *pp; + c = *p++; + switch(c) { + case 'b': + c = '\b'; + break; + case 'f': + c = '\f'; + break; + case 'n': + c = '\n'; + break; + case 'r': + c = '\r'; + break; + case 't': + c = '\t'; + break; + case 'v': + c = '\v'; + break; + case 'x': + case 'u': + { + int h, n, i; + uint32_t c1; + + if (*p == '{' && allow_utf16) { + p++; + c = 0; + for(;;) { + h = from_hex(*p++); + if (h < 0) + return -1; + c = (c << 4) | h; + if (c > 0x10FFFF) + return -1; + if (*p == '}') + break; + } + p++; + } else { + if (c == 'x') { + n = 2; + } else { + n = 4; + } + + c = 0; + for(i = 0; i < n; i++) { + h = from_hex(*p++); + if (h < 0) { + return -1; + } + c = (c << 4) | h; + } + if (c >= 0xd800 && c < 0xdc00 && + allow_utf16 == 2 && p[0] == '\\' && p[1] == 'u') { + /* convert an escaped surrogate pair into a + unicode char */ + c1 = 0; + for(i = 0; i < 4; i++) { + h = from_hex(p[2 + i]); + if (h < 0) + break; + c1 = (c1 << 4) | h; + } + if (i == 4 && c1 >= 0xdc00 && c1 < 0xe000) { + p += 6; + c = (((c & 0x3ff) << 10) | (c1 & 0x3ff)) + 0x10000; + } + } + } + } + break; + case '0' ... '7': + c -= '0'; + if (allow_utf16 == 2) { + /* only accept \0 not followed by digit */ + if (c != 0 || is_digit(*p)) + return -1; + } else { + /* parse a legacy octal sequence */ + uint32_t v; + v = *p - '0'; + if (v > 7) + break; + c = (c << 3) | v; + p++; + if (c >= 32) + break; + v = *p - '0'; + if (v > 7) + break; + c = (c << 3) | v; + p++; + } + break; + default: + return -2; + } + *pp = p; + return c; +} + +#ifdef CONFIG_ALL_UNICODE +/* XXX: we use the same chars for name and value */ +static BOOL is_unicode_char(int c) +{ + return ((c >= '0' && c <= '9') || + (c >= 'A' && c <= 'Z') || + (c >= 'a' && c <= 'z') || + (c == '_')); +} + +static int parse_unicode_property(REParseState *s, CharRange *cr, + const uint8_t **pp, BOOL is_inv) +{ + const uint8_t *p; + char name[64], value[64]; + char *q; + BOOL script_ext; + int ret; + + p = *pp; + if (*p != '{') + return re_parse_error(s, "expecting '{' after \\p"); + p++; + q = name; + while (is_unicode_char(*p)) { + if ((q - name) > sizeof(name) - 1) + goto unknown_property_name; + *q++ = *p++; + } + *q = '\0'; + q = value; + if (*p == '=') { + p++; + while (is_unicode_char(*p)) { + if ((q - value) > sizeof(value) - 1) + return re_parse_error(s, "unknown unicode property value"); + *q++ = *p++; + } + } + *q = '\0'; + if (*p != '}') + return re_parse_error(s, "expecting '}'"); + p++; + // printf("name=%s value=%s\n", name, value); + + if (!strcmp(name, "Script") || !strcmp(name, "sc")) { + script_ext = FALSE; + goto do_script; + } else if (!strcmp(name, "Script_Extensions") || !strcmp(name, "scx")) { + script_ext = TRUE; + do_script: + cr_init(cr, s->mem_opaque, lre_realloc); + ret = unicode_script(cr, value, script_ext); + if (ret) { + cr_free(cr); + if (ret == -2) + return re_parse_error(s, "unknown unicode script"); + else + goto out_of_memory; + } + } else if (!strcmp(name, "General_Category") || !strcmp(name, "gc")) { + cr_init(cr, s->mem_opaque, lre_realloc); + ret = unicode_general_category(cr, value); + if (ret) { + cr_free(cr); + if (ret == -2) + return re_parse_error(s, "unknown unicode general category"); + else + goto out_of_memory; + } + } else if (value[0] == '\0') { + cr_init(cr, s->mem_opaque, lre_realloc); + ret = unicode_general_category(cr, name); + if (ret == -1) { + cr_free(cr); + goto out_of_memory; + } + if (ret < 0) { + ret = unicode_prop(cr, name); + if (ret) { + cr_free(cr); + if (ret == -2) + goto unknown_property_name; + else + goto out_of_memory; + } + } + } else { + unknown_property_name: + return re_parse_error(s, "unknown unicode property name"); + } + + if (is_inv) { + if (cr_invert(cr)) { + cr_free(cr); + return -1; + } + } + *pp = p; + return 0; + out_of_memory: + return re_parse_out_of_memory(s); +} +#endif /* CONFIG_ALL_UNICODE */ + +/* return -1 if error otherwise the character or a class range + (CLASS_RANGE_BASE). In case of class range, 'cr' is + initialized. Otherwise, it is ignored. */ +static int get_class_atom(REParseState *s, CharRange *cr, + const uint8_t **pp, BOOL inclass) +{ + const uint8_t *p; + uint32_t c; + int ret; + + p = *pp; + + c = *p; + switch(c) { + case '\\': + p++; + if (p >= s->buf_end) + goto unexpected_end; + c = *p++; + switch(c) { + case 'd': + c = CHAR_RANGE_d; + goto class_range; + case 'D': + c = CHAR_RANGE_D; + goto class_range; + case 's': + c = CHAR_RANGE_s; + goto class_range; + case 'S': + c = CHAR_RANGE_S; + goto class_range; + case 'w': + c = CHAR_RANGE_w; + goto class_range; + case 'W': + c = CHAR_RANGE_W; + class_range: + if (cr_init_char_range(s, cr, c)) + return -1; + c = CLASS_RANGE_BASE; + break; + case 'c': + c = *p; + if ((c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (((c >= '0' && c <= '9') || c == '_') && + inclass && !s->is_utf16)) { /* Annex B.1.4 */ + c &= 0x1f; + p++; + } else if (s->is_utf16) { + goto invalid_escape; + } else { + /* otherwise return '\' and 'c' */ + p--; + c = '\\'; + } + break; +#ifdef CONFIG_ALL_UNICODE + case 'p': + case 'P': + if (s->is_utf16) { + if (parse_unicode_property(s, cr, &p, (c == 'P'))) + return -1; + c = CLASS_RANGE_BASE; + break; + } + /* fall thru */ +#endif + default: + p--; + ret = lre_parse_escape(&p, s->is_utf16 * 2); + if (ret >= 0) { + c = ret; + } else { + if (ret == -2 && *p != '\0' && strchr("^$\\.*+?()[]{}|/", *p)) { + /* always valid to escape these characters */ + goto normal_char; + } else if (s->is_utf16) { + invalid_escape: + return re_parse_error(s, "invalid escape sequence in regular expression"); + } else { + /* just ignore the '\' */ + goto normal_char; + } + } + break; + } + break; + case '\0': + if (p >= s->buf_end) { + unexpected_end: + return re_parse_error(s, "unexpected end"); + } + /* fall thru */ + default: + normal_char: + /* normal char */ + if (c >= 128) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p); + if ((unsigned)c > 0xffff && !s->is_utf16) { + /* XXX: should handle non BMP-1 code points */ + return re_parse_error(s, "malformed unicode char"); + } + } else { + p++; + } + break; + } + *pp = p; + return c; +} + +static int re_emit_range(REParseState *s, const CharRange *cr) +{ + int len, i; + uint32_t high; + + len = (unsigned)cr->len / 2; + if (len >= 65535) + return re_parse_error(s, "too many ranges"); + if (len == 0) { + /* not sure it can really happen. Emit a match that is always + false */ + re_emit_op_u32(s, REOP_char32, -1); + } else { + high = cr->points[cr->len - 1]; + if (high == UINT32_MAX) + high = cr->points[cr->len - 2]; + if (high <= 0xffff) { + /* can use 16 bit ranges with the conversion that 0xffff = + infinity */ + re_emit_op_u16(s, REOP_range, len); + for(i = 0; i < cr->len; i += 2) { + dbuf_put_u16(&s->byte_code, cr->points[i]); + high = cr->points[i + 1] - 1; + if (high == UINT32_MAX - 1) + high = 0xffff; + dbuf_put_u16(&s->byte_code, high); + } + } else { + re_emit_op_u16(s, REOP_range32, len); + for(i = 0; i < cr->len; i += 2) { + dbuf_put_u32(&s->byte_code, cr->points[i]); + dbuf_put_u32(&s->byte_code, cr->points[i + 1] - 1); + } + } + } + return 0; +} + +static int re_parse_char_class(REParseState *s, const uint8_t **pp) +{ + const uint8_t *p; + uint32_t c1, c2; + CharRange cr_s, *cr = &cr_s; + CharRange cr1_s, *cr1 = &cr1_s; + BOOL invert; + + cr_init(cr, s->mem_opaque, lre_realloc); + p = *pp; + p++; /* skip '[' */ + invert = FALSE; + if (*p == '^') { + p++; + invert = TRUE; + } + for(;;) { + if (*p == ']') + break; + c1 = get_class_atom(s, cr1, &p, TRUE); + if ((int)c1 < 0) + goto fail; + if (*p == '-' && p[1] != ']') { + const uint8_t *p0 = p + 1; + if (c1 >= CLASS_RANGE_BASE) { + if (s->is_utf16) { + cr_free(cr1); + goto invalid_class_range; + } + /* Annex B: match '-' character */ + goto class_atom; + } + c2 = get_class_atom(s, cr1, &p0, TRUE); + if ((int)c2 < 0) + goto fail; + if (c2 >= CLASS_RANGE_BASE) { + cr_free(cr1); + if (s->is_utf16) { + goto invalid_class_range; + } + /* Annex B: match '-' character */ + goto class_atom; + } + p = p0; + if (c2 < c1) { + invalid_class_range: + re_parse_error(s, "invalid class range"); + goto fail; + } + if (cr_union_interval(cr, c1, c2)) + goto memory_error; + } else { + class_atom: + if (c1 >= CLASS_RANGE_BASE) { + int ret; + ret = cr_union1(cr, cr1->points, cr1->len); + cr_free(cr1); + if (ret) + goto memory_error; + } else { + if (cr_union_interval(cr, c1, c1)) + goto memory_error; + } + } + } + if (s->ignore_case) { + if (cr_canonicalize(cr)) + goto memory_error; + } + if (invert) { + if (cr_invert(cr)) + goto memory_error; + } + if (re_emit_range(s, cr)) + goto fail; + cr_free(cr); + p++; /* skip ']' */ + *pp = p; + return 0; + memory_error: + re_parse_out_of_memory(s); + fail: + cr_free(cr); + return -1; +} + +/* Return: + 1 if the opcodes in bc_buf[] always advance the character pointer. + 0 if the character pointer may not be advanced. + -1 if the code may depend on side effects of its previous execution (backreference) +*/ +static int re_check_advance(const uint8_t *bc_buf, int bc_buf_len) +{ + int pos, opcode, ret, len, i; + uint32_t val, last; + BOOL has_back_reference; + uint8_t capture_bitmap[CAPTURE_COUNT_MAX]; + + ret = -2; /* not known yet */ + pos = 0; + has_back_reference = FALSE; + memset(capture_bitmap, 0, sizeof(capture_bitmap)); + + while (pos < bc_buf_len) { + opcode = bc_buf[pos]; + len = reopcode_info[opcode].size; + switch(opcode) { + case REOP_range: + val = get_u16(bc_buf + pos + 1); + len += val * 4; + goto simple_char; + case REOP_range32: + val = get_u16(bc_buf + pos + 1); + len += val * 8; + goto simple_char; + case REOP_char: + case REOP_char32: + case REOP_dot: + case REOP_any: + simple_char: + if (ret == -2) + ret = 1; + break; + case REOP_line_start: + case REOP_line_end: + case REOP_push_i32: + case REOP_push_char_pos: + case REOP_drop: + case REOP_word_boundary: + case REOP_not_word_boundary: + case REOP_prev: + /* no effect */ + break; + case REOP_save_start: + case REOP_save_end: + val = bc_buf[pos + 1]; + capture_bitmap[val] |= 1; + break; + case REOP_save_reset: + { + val = bc_buf[pos + 1]; + last = bc_buf[pos + 2]; + while (val < last) + capture_bitmap[val++] |= 1; + } + break; + case REOP_back_reference: + case REOP_backward_back_reference: + val = bc_buf[pos + 1]; + capture_bitmap[val] |= 2; + has_back_reference = TRUE; + break; + default: + /* safe behvior: we cannot predict the outcome */ + if (ret == -2) + ret = 0; + break; + } + pos += len; + } + if (has_back_reference) { + /* check if there is back reference which references a capture + made in the some code */ + for(i = 0; i < CAPTURE_COUNT_MAX; i++) { + if (capture_bitmap[i] == 3) + return -1; + } + } + if (ret == -2) + ret = 0; + return ret; +} + +/* return -1 if a simple quantifier cannot be used. Otherwise return + the number of characters in the atom. */ +static int re_is_simple_quantifier(const uint8_t *bc_buf, int bc_buf_len) +{ + int pos, opcode, len, count; + uint32_t val; + + count = 0; + pos = 0; + while (pos < bc_buf_len) { + opcode = bc_buf[pos]; + len = reopcode_info[opcode].size; + switch(opcode) { + case REOP_range: + val = get_u16(bc_buf + pos + 1); + len += val * 4; + goto simple_char; + case REOP_range32: + val = get_u16(bc_buf + pos + 1); + len += val * 8; + goto simple_char; + case REOP_char: + case REOP_char32: + case REOP_dot: + case REOP_any: + simple_char: + count++; + break; + case REOP_line_start: + case REOP_line_end: + case REOP_word_boundary: + case REOP_not_word_boundary: + break; + default: + return -1; + } + pos += len; + } + return count; +} + +/* '*pp' is the first char after '<' */ +static int re_parse_group_name(char *buf, int buf_size, + const uint8_t **pp, BOOL is_utf16) +{ + const uint8_t *p; + uint32_t c; + char *q; + + p = *pp; + q = buf; + for(;;) { + c = *p; + if (c == '\\') { + p++; + if (*p != 'u') + return -1; + c = lre_parse_escape(&p, is_utf16 * 2); + } else if (c == '>') { + break; + } else if (c >= 128) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p); + } else { + p++; + } + if (c > 0x10FFFF) + return -1; + if (q == buf) { + if (!lre_js_is_ident_first(c)) + return -1; + } else { + if (!lre_js_is_ident_next(c)) + return -1; + } + if ((q - buf + UTF8_CHAR_LEN_MAX + 1) > buf_size) + return -1; + if (c < 128) { + *q++ = c; + } else { + q += unicode_to_utf8((uint8_t*)q, c); + } + } + if (q == buf) + return -1; + *q = '\0'; + p++; + *pp = p; + return 0; +} + +/* if capture_name = NULL: return the number of captures + 1. + Otherwise, return the capture index corresponding to capture_name + or -1 if none */ +static int re_parse_captures(REParseState *s, int *phas_named_captures, + const char *capture_name) +{ + const uint8_t *p; + int capture_index; + char name[TMP_BUF_SIZE]; + + capture_index = 1; + *phas_named_captures = 0; + for (p = s->buf_start; p < s->buf_end; p++) { + switch (*p) { + case '(': + if (p[1] == '?') { + if (p[2] == '<' && p[3] != '=' && p[3] != '!') { + *phas_named_captures = 1; + /* potential named capture */ + if (capture_name) { + p += 3; + if (re_parse_group_name(name, sizeof(name), &p, + s->is_utf16) == 0) { + if (!strcmp(name, capture_name)) + return capture_index; + } + } + capture_index++; + } + } else { + capture_index++; + } + break; + case '\\': + p++; + break; + case '[': + for (p += 1 + (*p == ']'); p < s->buf_end && *p != ']'; p++) { + if (*p == '\\') + p++; + } + break; + } + } + if (capture_name) + return -1; + else + return capture_index; +} + +static int re_count_captures(REParseState *s) +{ + if (s->total_capture_count < 0) { + s->total_capture_count = re_parse_captures(s, &s->has_named_captures, + NULL); + } + return s->total_capture_count; +} + +static BOOL re_has_named_captures(REParseState *s) +{ + if (s->has_named_captures < 0) + re_count_captures(s); + return s->has_named_captures; +} + +static int find_group_name(REParseState *s, const char *name) +{ + const char *p, *buf_end; + size_t len, name_len; + int capture_index; + + name_len = strlen(name); + p = (char *)s->group_names.buf; + buf_end = (char *)s->group_names.buf + s->group_names.size; + capture_index = 1; + while (p < buf_end) { + len = strlen(p); + if (len == name_len && memcmp(name, p, name_len) == 0) + return capture_index; + p += len + 1; + capture_index++; + } + return -1; +} + +static int re_parse_disjunction(REParseState *s, BOOL is_backward_dir); + +static int re_parse_term(REParseState *s, BOOL is_backward_dir) +{ + const uint8_t *p; + int c, last_atom_start, quant_min, quant_max, last_capture_count; + BOOL greedy, add_zero_advance_check, is_neg, is_backward_lookahead; + CharRange cr_s, *cr = &cr_s; + + last_atom_start = -1; + last_capture_count = 0; + p = s->buf_ptr; + c = *p; + switch(c) { + case '^': + p++; + re_emit_op(s, REOP_line_start); + break; + case '$': + p++; + re_emit_op(s, REOP_line_end); + break; + case '.': + p++; + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + if (is_backward_dir) + re_emit_op(s, REOP_prev); + re_emit_op(s, s->dotall ? REOP_any : REOP_dot); + if (is_backward_dir) + re_emit_op(s, REOP_prev); + break; + case '{': + if (s->is_utf16) { + return re_parse_error(s, "syntax error"); + } else if (!is_digit(p[1])) { + /* Annex B: we accept '{' not followed by digits as a + normal atom */ + goto parse_class_atom; + } else { + const uint8_t *p1 = p + 1; + /* Annex B: error if it is like a repetition count */ + parse_digits(&p1, TRUE); + if (*p1 == ',') { + p1++; + if (is_digit(*p1)) { + parse_digits(&p1, TRUE); + } + } + if (*p1 != '}') { + goto parse_class_atom; + } + } + /* fall thru */ + case '*': + case '+': + case '?': + return re_parse_error(s, "nothing to repeat"); + case '(': + if (p[1] == '?') { + if (p[2] == ':') { + p += 3; + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + s->buf_ptr = p; + if (re_parse_disjunction(s, is_backward_dir)) + return -1; + p = s->buf_ptr; + if (re_parse_expect(s, &p, ')')) + return -1; + } else if ((p[2] == '=' || p[2] == '!')) { + is_neg = (p[2] == '!'); + is_backward_lookahead = FALSE; + p += 3; + goto lookahead; + } else if (p[2] == '<' && + (p[3] == '=' || p[3] == '!')) { + int pos; + is_neg = (p[3] == '!'); + is_backward_lookahead = TRUE; + p += 4; + /* lookahead */ + lookahead: + /* Annex B allows lookahead to be used as an atom for + the quantifiers */ + if (!s->is_utf16 && !is_backward_lookahead) { + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + } + pos = re_emit_op_u32(s, REOP_lookahead + is_neg, 0); + s->buf_ptr = p; + if (re_parse_disjunction(s, is_backward_lookahead)) + return -1; + p = s->buf_ptr; + if (re_parse_expect(s, &p, ')')) + return -1; + re_emit_op(s, REOP_match); + /* jump after the 'match' after the lookahead is successful */ + if (dbuf_error(&s->byte_code)) + return -1; + put_u32(s->byte_code.buf + pos, s->byte_code.size - (pos + 4)); + } else if (p[2] == '<') { + p += 3; + if (re_parse_group_name(s->u.tmp_buf, sizeof(s->u.tmp_buf), + &p, s->is_utf16)) { + return re_parse_error(s, "invalid group name"); + } + if (find_group_name(s, s->u.tmp_buf) > 0) { + return re_parse_error(s, "duplicate group name"); + } + /* group name with a trailing zero */ + dbuf_put(&s->group_names, (uint8_t *)s->u.tmp_buf, + strlen(s->u.tmp_buf) + 1); + s->has_named_captures = 1; + goto parse_capture; + } else { + return re_parse_error(s, "invalid group"); + } + } else { + int capture_index; + p++; + /* capture without group name */ + dbuf_putc(&s->group_names, 0); + parse_capture: + if (s->capture_count >= CAPTURE_COUNT_MAX) + return re_parse_error(s, "too many captures"); + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + capture_index = s->capture_count++; + re_emit_op_u8(s, REOP_save_start + is_backward_dir, + capture_index); + + s->buf_ptr = p; + if (re_parse_disjunction(s, is_backward_dir)) + return -1; + p = s->buf_ptr; + + re_emit_op_u8(s, REOP_save_start + 1 - is_backward_dir, + capture_index); + + if (re_parse_expect(s, &p, ')')) + return -1; + } + break; + case '\\': + switch(p[1]) { + case 'b': + case 'B': + re_emit_op(s, REOP_word_boundary + (p[1] != 'b')); + p += 2; + break; + case 'k': + { + const uint8_t *p1; + int dummy_res; + + p1 = p; + if (p1[2] != '<') { + /* annex B: we tolerate invalid group names in non + unicode mode if there is no named capture + definition */ + if (s->is_utf16 || re_has_named_captures(s)) + return re_parse_error(s, "expecting group name"); + else + goto parse_class_atom; + } + p1 += 3; + if (re_parse_group_name(s->u.tmp_buf, sizeof(s->u.tmp_buf), + &p1, s->is_utf16)) { + if (s->is_utf16 || re_has_named_captures(s)) + return re_parse_error(s, "invalid group name"); + else + goto parse_class_atom; + } + c = find_group_name(s, s->u.tmp_buf); + if (c < 0) { + /* no capture name parsed before, try to look + after (inefficient, but hopefully not common */ + c = re_parse_captures(s, &dummy_res, s->u.tmp_buf); + if (c < 0) { + if (s->is_utf16 || re_has_named_captures(s)) + return re_parse_error(s, "group name not defined"); + else + goto parse_class_atom; + } + } + p = p1; + } + goto emit_back_reference; + case '0': + p += 2; + c = 0; + if (s->is_utf16) { + if (is_digit(*p)) { + return re_parse_error(s, "invalid decimal escape in regular expression"); + } + } else { + /* Annex B.1.4: accept legacy octal */ + if (*p >= '0' && *p <= '7') { + c = *p++ - '0'; + if (*p >= '0' && *p <= '7') { + c = (c << 3) + *p++ - '0'; + } + } + } + goto normal_char; + case '1' ... '9': + { + const uint8_t *q = ++p; + + c = parse_digits(&p, FALSE); + if (c < 0 || (c >= s->capture_count && c >= re_count_captures(s))) { + if (!s->is_utf16) { + /* Annex B.1.4: accept legacy octal */ + p = q; + if (*p <= '7') { + c = 0; + if (*p <= '3') + c = *p++ - '0'; + if (*p >= '0' && *p <= '7') { + c = (c << 3) + *p++ - '0'; + if (*p >= '0' && *p <= '7') { + c = (c << 3) + *p++ - '0'; + } + } + } else { + c = *p++; + } + goto normal_char; + } + return re_parse_error(s, "back reference out of range in reguar expression"); + } + emit_back_reference: + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + re_emit_op_u8(s, REOP_back_reference + is_backward_dir, c); + } + break; + default: + goto parse_class_atom; + } + break; + case '[': + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + if (is_backward_dir) + re_emit_op(s, REOP_prev); + if (re_parse_char_class(s, &p)) + return -1; + if (is_backward_dir) + re_emit_op(s, REOP_prev); + break; + case ']': + case '}': + if (s->is_utf16) + return re_parse_error(s, "syntax error"); + goto parse_class_atom; + default: + parse_class_atom: + c = get_class_atom(s, cr, &p, FALSE); + if ((int)c < 0) + return -1; + normal_char: + last_atom_start = s->byte_code.size; + last_capture_count = s->capture_count; + if (is_backward_dir) + re_emit_op(s, REOP_prev); + if (c >= CLASS_RANGE_BASE) { + int ret; + /* Note: canonicalization is not needed */ + ret = re_emit_range(s, cr); + cr_free(cr); + if (ret) + return -1; + } else { + if (s->ignore_case) + c = lre_canonicalize(c, s->is_utf16); + if (c <= 0xffff) + re_emit_op_u16(s, REOP_char, c); + else + re_emit_op_u32(s, REOP_char32, c); + } + if (is_backward_dir) + re_emit_op(s, REOP_prev); + break; + } + + /* quantifier */ + if (last_atom_start >= 0) { + c = *p; + switch(c) { + case '*': + p++; + quant_min = 0; + quant_max = INT32_MAX; + goto quantifier; + case '+': + p++; + quant_min = 1; + quant_max = INT32_MAX; + goto quantifier; + case '?': + p++; + quant_min = 0; + quant_max = 1; + goto quantifier; + case '{': + { + const uint8_t *p1 = p; + /* As an extension (see ES6 annex B), we accept '{' not + followed by digits as a normal atom */ + if (!is_digit(p[1])) { + if (s->is_utf16) + goto invalid_quant_count; + break; + } + p++; + quant_min = parse_digits(&p, TRUE); + quant_max = quant_min; + if (*p == ',') { + p++; + if (is_digit(*p)) { + quant_max = parse_digits(&p, TRUE); + if (quant_max < quant_min) { + invalid_quant_count: + return re_parse_error(s, "invalid repetition count"); + } + } else { + quant_max = INT32_MAX; /* infinity */ + } + } + if (*p != '}' && !s->is_utf16) { + /* Annex B: normal atom if invalid '{' syntax */ + p = p1; + break; + } + if (re_parse_expect(s, &p, '}')) + return -1; + } + quantifier: + greedy = TRUE; + if (*p == '?') { + p++; + greedy = FALSE; + } + if (last_atom_start < 0) { + return re_parse_error(s, "nothing to repeat"); + } + if (greedy) { + int len, pos; + + if (quant_max > 0) { + /* specific optimization for simple quantifiers */ + if (dbuf_error(&s->byte_code)) + goto out_of_memory; + len = re_is_simple_quantifier(s->byte_code.buf + last_atom_start, + s->byte_code.size - last_atom_start); + if (len > 0) { + re_emit_op(s, REOP_match); + + if (dbuf_insert(&s->byte_code, last_atom_start, 17)) + goto out_of_memory; + pos = last_atom_start; + s->byte_code.buf[pos++] = REOP_simple_greedy_quant; + put_u32(&s->byte_code.buf[pos], + s->byte_code.size - last_atom_start - 17); + pos += 4; + put_u32(&s->byte_code.buf[pos], quant_min); + pos += 4; + put_u32(&s->byte_code.buf[pos], quant_max); + pos += 4; + put_u32(&s->byte_code.buf[pos], len); + pos += 4; + goto done; + } + } + + if (dbuf_error(&s->byte_code)) + goto out_of_memory; + add_zero_advance_check = (re_check_advance(s->byte_code.buf + last_atom_start, + s->byte_code.size - last_atom_start) == 0); + } else { + add_zero_advance_check = FALSE; + } + + { + int len, pos; + len = s->byte_code.size - last_atom_start; + if (quant_min == 0) { + /* need to reset the capture in case the atom is + not executed */ + if (last_capture_count != s->capture_count) { + if (dbuf_insert(&s->byte_code, last_atom_start, 3)) + goto out_of_memory; + s->byte_code.buf[last_atom_start++] = REOP_save_reset; + s->byte_code.buf[last_atom_start++] = last_capture_count; + s->byte_code.buf[last_atom_start++] = s->capture_count - 1; + } + if (quant_max == 0) { + s->byte_code.size = last_atom_start; + } else if (quant_max == 1) { + if (dbuf_insert(&s->byte_code, last_atom_start, 5)) + goto out_of_memory; + s->byte_code.buf[last_atom_start] = REOP_split_goto_first + + greedy; + put_u32(s->byte_code.buf + last_atom_start + 1, len); + } else if (quant_max == INT32_MAX) { + if (dbuf_insert(&s->byte_code, last_atom_start, 5 + add_zero_advance_check)) + goto out_of_memory; + s->byte_code.buf[last_atom_start] = REOP_split_goto_first + + greedy; + put_u32(s->byte_code.buf + last_atom_start + 1, + len + 5 + add_zero_advance_check); + if (add_zero_advance_check) { + /* avoid infinite loop by stoping the + recursion if no advance was made in the + atom (only works if the atom has no + side effect) */ + s->byte_code.buf[last_atom_start + 1 + 4] = REOP_push_char_pos; + re_emit_goto(s, REOP_bne_char_pos, last_atom_start); + } else { + re_emit_goto(s, REOP_goto, last_atom_start); + } + } else { + if (dbuf_insert(&s->byte_code, last_atom_start, 10)) + goto out_of_memory; + pos = last_atom_start; + s->byte_code.buf[pos++] = REOP_push_i32; + put_u32(s->byte_code.buf + pos, quant_max); + pos += 4; + s->byte_code.buf[pos++] = REOP_split_goto_first + greedy; + put_u32(s->byte_code.buf + pos, len + 5); + re_emit_goto(s, REOP_loop, last_atom_start + 5); + re_emit_op(s, REOP_drop); + } + } else if (quant_min == 1 && quant_max == INT32_MAX && + !add_zero_advance_check) { + re_emit_goto(s, REOP_split_next_first - greedy, + last_atom_start); + } else { + if (quant_min == 1) { + /* nothing to add */ + } else { + if (dbuf_insert(&s->byte_code, last_atom_start, 5)) + goto out_of_memory; + s->byte_code.buf[last_atom_start] = REOP_push_i32; + put_u32(s->byte_code.buf + last_atom_start + 1, + quant_min); + last_atom_start += 5; + re_emit_goto(s, REOP_loop, last_atom_start); + re_emit_op(s, REOP_drop); + } + if (quant_max == INT32_MAX) { + pos = s->byte_code.size; + re_emit_op_u32(s, REOP_split_goto_first + greedy, + len + 5 + add_zero_advance_check); + if (add_zero_advance_check) + re_emit_op(s, REOP_push_char_pos); + /* copy the atom */ + dbuf_put_self(&s->byte_code, last_atom_start, len); + if (add_zero_advance_check) + re_emit_goto(s, REOP_bne_char_pos, pos); + else + re_emit_goto(s, REOP_goto, pos); + } else if (quant_max > quant_min) { + re_emit_op_u32(s, REOP_push_i32, quant_max - quant_min); + pos = s->byte_code.size; + re_emit_op_u32(s, REOP_split_goto_first + greedy, len + 5); + /* copy the atom */ + dbuf_put_self(&s->byte_code, last_atom_start, len); + + re_emit_goto(s, REOP_loop, pos); + re_emit_op(s, REOP_drop); + } + } + last_atom_start = -1; + } + break; + default: + break; + } + } + done: + s->buf_ptr = p; + return 0; + out_of_memory: + return re_parse_out_of_memory(s); +} + +static int re_parse_alternative(REParseState *s, BOOL is_backward_dir) +{ + const uint8_t *p; + int ret; + size_t start, term_start, end, term_size; + + start = s->byte_code.size; + for(;;) { + p = s->buf_ptr; + if (p >= s->buf_end) + break; + if (*p == '|' || *p == ')') + break; + term_start = s->byte_code.size; + ret = re_parse_term(s, is_backward_dir); + if (ret) + return ret; + if (is_backward_dir) { + /* reverse the order of the terms (XXX: inefficient, but + speed is not really critical here) */ + end = s->byte_code.size; + term_size = end - term_start; + if (dbuf_realloc(&s->byte_code, end + term_size)) + return -1; + memmove(s->byte_code.buf + start + term_size, + s->byte_code.buf + start, + end - start); + memcpy(s->byte_code.buf + start, s->byte_code.buf + end, + term_size); + } + } + return 0; +} + +static int re_parse_disjunction(REParseState *s, BOOL is_backward_dir) +{ + int start, len, pos; + + start = s->byte_code.size; + if (re_parse_alternative(s, is_backward_dir)) + return -1; + while (*s->buf_ptr == '|') { + s->buf_ptr++; + + len = s->byte_code.size - start; + + /* insert a split before the first alternative */ + if (dbuf_insert(&s->byte_code, start, 5)) { + return re_parse_out_of_memory(s); + } + s->byte_code.buf[start] = REOP_split_next_first; + put_u32(s->byte_code.buf + start + 1, len + 5); + + pos = re_emit_op_u32(s, REOP_goto, 0); + + if (re_parse_alternative(s, is_backward_dir)) + return -1; + + /* patch the goto */ + len = s->byte_code.size - (pos + 4); + put_u32(s->byte_code.buf + pos, len); + } + return 0; +} + +/* the control flow is recursive so the analysis can be linear */ +static int compute_stack_size(const uint8_t *bc_buf, int bc_buf_len) +{ + int stack_size, stack_size_max, pos, opcode, len; + uint32_t val; + + stack_size = 0; + stack_size_max = 0; + bc_buf += RE_HEADER_LEN; + bc_buf_len -= RE_HEADER_LEN; + pos = 0; + while (pos < bc_buf_len) { + opcode = bc_buf[pos]; + len = reopcode_info[opcode].size; + assert(opcode < REOP_COUNT); + assert((pos + len) <= bc_buf_len); + switch(opcode) { + case REOP_push_i32: + case REOP_push_char_pos: + stack_size++; + if (stack_size > stack_size_max) { + if (stack_size > STACK_SIZE_MAX) + return -1; + stack_size_max = stack_size; + } + break; + case REOP_drop: + case REOP_bne_char_pos: + assert(stack_size > 0); + stack_size--; + break; + case REOP_range: + val = get_u16(bc_buf + pos + 1); + len += val * 4; + break; + case REOP_range32: + val = get_u16(bc_buf + pos + 1); + len += val * 8; + break; + } + pos += len; + } + return stack_size_max; +} + +/* 'buf' must be a zero terminated UTF-8 string of length buf_len. + Return NULL if error and allocate an error message in *perror_msg, + otherwise the compiled bytecode and its length in plen. +*/ +uint8_t *lre_compile(int *plen, char *error_msg, int error_msg_size, + const char *buf, size_t buf_len, int re_flags, + void *opaque) +{ + REParseState s_s, *s = &s_s; + int stack_size; + BOOL is_sticky; + + memset(s, 0, sizeof(*s)); + s->mem_opaque = opaque; + s->buf_ptr = (const uint8_t *)buf; + s->buf_end = s->buf_ptr + buf_len; + s->buf_start = s->buf_ptr; + s->re_flags = re_flags; + s->is_utf16 = ((re_flags & LRE_FLAG_UTF16) != 0); + is_sticky = ((re_flags & LRE_FLAG_STICKY) != 0); + s->ignore_case = ((re_flags & LRE_FLAG_IGNORECASE) != 0); + s->dotall = ((re_flags & LRE_FLAG_DOTALL) != 0); + s->capture_count = 1; + s->total_capture_count = -1; + s->has_named_captures = -1; + + dbuf_init2(&s->byte_code, opaque, lre_realloc); + dbuf_init2(&s->group_names, opaque, lre_realloc); + + dbuf_putc(&s->byte_code, re_flags); /* first element is the flags */ + dbuf_putc(&s->byte_code, 0); /* second element is the number of captures */ + dbuf_putc(&s->byte_code, 0); /* stack size */ + dbuf_put_u32(&s->byte_code, 0); /* bytecode length */ + + if (!is_sticky) { + /* iterate thru all positions (about the same as .*?( ... ) ) + . We do it without an explicit loop so that lock step + thread execution will be possible in an optimized + implementation */ + re_emit_op_u32(s, REOP_split_goto_first, 1 + 5); + re_emit_op(s, REOP_any); + re_emit_op_u32(s, REOP_goto, -(5 + 1 + 5)); + } + re_emit_op_u8(s, REOP_save_start, 0); + + if (re_parse_disjunction(s, FALSE)) { + error: + dbuf_free(&s->byte_code); + dbuf_free(&s->group_names); + pstrcpy(error_msg, error_msg_size, s->u.error_msg); + *plen = 0; + return NULL; + } + + re_emit_op_u8(s, REOP_save_end, 0); + + re_emit_op(s, REOP_match); + + if (*s->buf_ptr != '\0') { + re_parse_error(s, "extraneous characters at the end"); + goto error; + } + + if (dbuf_error(&s->byte_code)) { + re_parse_out_of_memory(s); + goto error; + } + + stack_size = compute_stack_size(s->byte_code.buf, s->byte_code.size); + if (stack_size < 0) { + re_parse_error(s, "too many imbricated quantifiers"); + goto error; + } + + s->byte_code.buf[RE_HEADER_CAPTURE_COUNT] = s->capture_count; + s->byte_code.buf[RE_HEADER_STACK_SIZE] = stack_size; + put_u32(s->byte_code.buf + 3, s->byte_code.size - RE_HEADER_LEN); + + /* add the named groups if needed */ + if (s->group_names.size > (s->capture_count - 1)) { + dbuf_put(&s->byte_code, s->group_names.buf, s->group_names.size); + s->byte_code.buf[RE_HEADER_FLAGS] |= LRE_FLAG_NAMED_GROUPS; + } + dbuf_free(&s->group_names); + +#ifdef DUMP_REOP + lre_dump_bytecode(s->byte_code.buf, s->byte_code.size); +#endif + + error_msg[0] = '\0'; + *plen = s->byte_code.size; + return s->byte_code.buf; +} + +static BOOL is_line_terminator(uint32_t c) +{ + return (c == '\n' || c == '\r' || c == CP_LS || c == CP_PS); +} + +static BOOL is_word_char(uint32_t c) +{ + return ((c >= '0' && c <= '9') || + (c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (c == '_')); +} + +#define GET_CHAR(c, cptr, cbuf_end) \ + do { \ + if (cbuf_type == 0) { \ + c = *cptr++; \ + } else { \ + uint32_t __c1; \ + c = *(uint16_t *)cptr; \ + cptr += 2; \ + if (c >= 0xd800 && c < 0xdc00 && \ + cbuf_type == 2 && cptr < cbuf_end) { \ + __c1 = *(uint16_t *)cptr; \ + if (__c1 >= 0xdc00 && __c1 < 0xe000) { \ + c = (((c & 0x3ff) << 10) | (__c1 & 0x3ff)) + 0x10000; \ + cptr += 2; \ + } \ + } \ + } \ + } while (0) + +#define PEEK_CHAR(c, cptr, cbuf_end) \ + do { \ + if (cbuf_type == 0) { \ + c = cptr[0]; \ + } else { \ + uint32_t __c1; \ + c = ((uint16_t *)cptr)[0]; \ + if (c >= 0xd800 && c < 0xdc00 && \ + cbuf_type == 2 && (cptr + 2) < cbuf_end) { \ + __c1 = ((uint16_t *)cptr)[1]; \ + if (__c1 >= 0xdc00 && __c1 < 0xe000) { \ + c = (((c & 0x3ff) << 10) | (__c1 & 0x3ff)) + 0x10000; \ + } \ + } \ + } \ + } while (0) + +#define PEEK_PREV_CHAR(c, cptr, cbuf_start) \ + do { \ + if (cbuf_type == 0) { \ + c = cptr[-1]; \ + } else { \ + uint32_t __c1; \ + c = ((uint16_t *)cptr)[-1]; \ + if (c >= 0xdc00 && c < 0xe000 && \ + cbuf_type == 2 && (cptr - 4) >= cbuf_start) { \ + __c1 = ((uint16_t *)cptr)[-2]; \ + if (__c1 >= 0xd800 && __c1 < 0xdc00 ) { \ + c = (((__c1 & 0x3ff) << 10) | (c & 0x3ff)) + 0x10000; \ + } \ + } \ + } \ + } while (0) + +#define GET_PREV_CHAR(c, cptr, cbuf_start) \ + do { \ + if (cbuf_type == 0) { \ + cptr--; \ + c = cptr[0]; \ + } else { \ + uint32_t __c1; \ + cptr -= 2; \ + c = ((uint16_t *)cptr)[0]; \ + if (c >= 0xdc00 && c < 0xe000 && \ + cbuf_type == 2 && cptr > cbuf_start) { \ + __c1 = ((uint16_t *)cptr)[-1]; \ + if (__c1 >= 0xd800 && __c1 < 0xdc00 ) { \ + cptr -= 2; \ + c = (((__c1 & 0x3ff) << 10) | (c & 0x3ff)) + 0x10000; \ + } \ + } \ + } \ + } while (0) + +#define PREV_CHAR(cptr, cbuf_start) \ + do { \ + if (cbuf_type == 0) { \ + cptr--; \ + } else { \ + cptr -= 2; \ + if (cbuf_type == 2) { \ + c = ((uint16_t *)cptr)[0]; \ + if (c >= 0xdc00 && c < 0xe000 && cptr > cbuf_start) { \ + c = ((uint16_t *)cptr)[-1]; \ + if (c >= 0xd800 && c < 0xdc00) \ + cptr -= 2; \ + } \ + } \ + } \ + } while (0) + +typedef uintptr_t StackInt; + +typedef enum { + RE_EXEC_STATE_SPLIT, + RE_EXEC_STATE_LOOKAHEAD, + RE_EXEC_STATE_NEGATIVE_LOOKAHEAD, + RE_EXEC_STATE_GREEDY_QUANT, +} REExecStateEnum; + +typedef struct REExecState { + REExecStateEnum type : 8; + uint8_t stack_len; + size_t count; /* only used for RE_EXEC_STATE_GREEDY_QUANT */ + const uint8_t *cptr; + const uint8_t *pc; + void *buf[0]; +} REExecState; + +typedef struct { + const uint8_t *cbuf; + const uint8_t *cbuf_end; + /* 0 = 8 bit chars, 1 = 16 bit chars, 2 = 16 bit chars, UTF-16 */ + int cbuf_type; + int capture_count; + int stack_size_max; + BOOL multi_line; + BOOL ignore_case; + BOOL is_utf16; + void *opaque; /* used for stack overflow check */ + + size_t state_size; + uint8_t *state_stack; + size_t state_stack_size; + size_t state_stack_len; +} REExecContext; + +static int push_state(REExecContext *s, + uint8_t **capture, + StackInt *stack, size_t stack_len, + const uint8_t *pc, const uint8_t *cptr, + REExecStateEnum type, size_t count) +{ + REExecState *rs; + uint8_t *new_stack; + size_t new_size, i, n; + StackInt *stack_buf; + + if (unlikely((s->state_stack_len + 1) > s->state_stack_size)) { + /* reallocate the stack */ + new_size = s->state_stack_size * 3 / 2; + if (new_size < 8) + new_size = 8; + new_stack = lre_realloc(s->opaque, s->state_stack, new_size * s->state_size); + if (!new_stack) + return -1; + s->state_stack_size = new_size; + s->state_stack = new_stack; + } + rs = (REExecState *)(s->state_stack + s->state_stack_len * s->state_size); + s->state_stack_len++; + rs->type = type; + rs->count = count; + rs->stack_len = stack_len; + rs->cptr = cptr; + rs->pc = pc; + n = 2 * s->capture_count; + for(i = 0; i < n; i++) + rs->buf[i] = capture[i]; + stack_buf = (StackInt *)(rs->buf + n); + for(i = 0; i < stack_len; i++) + stack_buf[i] = stack[i]; + return 0; +} + +/* return 1 if match, 0 if not match or -1 if error. */ +static intptr_t lre_exec_backtrack(REExecContext *s, uint8_t **capture, + StackInt *stack, int stack_len, + const uint8_t *pc, const uint8_t *cptr, + BOOL no_recurse) +{ + int opcode, ret; + int cbuf_type; + uint32_t val, c; + const uint8_t *cbuf_end; + + cbuf_type = s->cbuf_type; + cbuf_end = s->cbuf_end; + + for(;;) { + // printf("top=%p: pc=%d\n", th_list.top, (int)(pc - (bc_buf + RE_HEADER_LEN))); + opcode = *pc++; + switch(opcode) { + case REOP_match: + { + REExecState *rs; + if (no_recurse) + return (intptr_t)cptr; + ret = 1; + goto recurse; + no_match: + if (no_recurse) + return 0; + ret = 0; + recurse: + for(;;) { + if (s->state_stack_len == 0) + return ret; + rs = (REExecState *)(s->state_stack + + (s->state_stack_len - 1) * s->state_size); + if (rs->type == RE_EXEC_STATE_SPLIT) { + if (!ret) { + pop_state: + memcpy(capture, rs->buf, + sizeof(capture[0]) * 2 * s->capture_count); + pop_state1: + pc = rs->pc; + cptr = rs->cptr; + stack_len = rs->stack_len; + memcpy(stack, rs->buf + 2 * s->capture_count, + stack_len * sizeof(stack[0])); + s->state_stack_len--; + break; + } + } else if (rs->type == RE_EXEC_STATE_GREEDY_QUANT) { + if (!ret) { + uint32_t char_count, i; + memcpy(capture, rs->buf, + sizeof(capture[0]) * 2 * s->capture_count); + stack_len = rs->stack_len; + memcpy(stack, rs->buf + 2 * s->capture_count, + stack_len * sizeof(stack[0])); + pc = rs->pc; + cptr = rs->cptr; + /* go backward */ + char_count = get_u32(pc + 12); + for(i = 0; i < char_count; i++) { + PREV_CHAR(cptr, s->cbuf); + } + pc = (pc + 16) + (int)get_u32(pc); + rs->cptr = cptr; + rs->count--; + if (rs->count == 0) { + s->state_stack_len--; + } + break; + } + } else { + ret = ((rs->type == RE_EXEC_STATE_LOOKAHEAD && ret) || + (rs->type == RE_EXEC_STATE_NEGATIVE_LOOKAHEAD && !ret)); + if (ret) { + /* keep the capture in case of positive lookahead */ + if (rs->type == RE_EXEC_STATE_LOOKAHEAD) + goto pop_state1; + else + goto pop_state; + } + } + s->state_stack_len--; + } + } + break; + case REOP_char32: + val = get_u32(pc); + pc += 4; + goto test_char; + case REOP_char: + val = get_u16(pc); + pc += 2; + test_char: + if (cptr >= cbuf_end) + goto no_match; + GET_CHAR(c, cptr, cbuf_end); + if (s->ignore_case) { + c = lre_canonicalize(c, s->is_utf16); + } + if (val != c) + goto no_match; + break; + case REOP_split_goto_first: + case REOP_split_next_first: + { + const uint8_t *pc1; + + val = get_u32(pc); + pc += 4; + if (opcode == REOP_split_next_first) { + pc1 = pc + (int)val; + } else { + pc1 = pc; + pc = pc + (int)val; + } + ret = push_state(s, capture, stack, stack_len, + pc1, cptr, RE_EXEC_STATE_SPLIT, 0); + if (ret < 0) + return -1; + break; + } + case REOP_lookahead: + case REOP_negative_lookahead: + val = get_u32(pc); + pc += 4; + ret = push_state(s, capture, stack, stack_len, + pc + (int)val, cptr, + RE_EXEC_STATE_LOOKAHEAD + opcode - REOP_lookahead, + 0); + if (ret < 0) + return -1; + break; + + case REOP_goto: + val = get_u32(pc); + pc += 4 + (int)val; + break; + case REOP_line_start: + if (cptr == s->cbuf) + break; + if (!s->multi_line) + goto no_match; + PEEK_PREV_CHAR(c, cptr, s->cbuf); + if (!is_line_terminator(c)) + goto no_match; + break; + case REOP_line_end: + if (cptr == cbuf_end) + break; + if (!s->multi_line) + goto no_match; + PEEK_CHAR(c, cptr, cbuf_end); + if (!is_line_terminator(c)) + goto no_match; + break; + case REOP_dot: + if (cptr == cbuf_end) + goto no_match; + GET_CHAR(c, cptr, cbuf_end); + if (is_line_terminator(c)) + goto no_match; + break; + case REOP_any: + if (cptr == cbuf_end) + goto no_match; + GET_CHAR(c, cptr, cbuf_end); + break; + case REOP_save_start: + case REOP_save_end: + val = *pc++; + assert(val < s->capture_count); + capture[2 * val + opcode - REOP_save_start] = (uint8_t *)cptr; + break; + case REOP_save_reset: + { + uint32_t val2; + val = pc[0]; + val2 = pc[1]; + pc += 2; + assert(val2 < s->capture_count); + while (val <= val2) { + capture[2 * val] = NULL; + capture[2 * val + 1] = NULL; + val++; + } + } + break; + case REOP_push_i32: + val = get_u32(pc); + pc += 4; + stack[stack_len++] = val; + break; + case REOP_drop: + stack_len--; + break; + case REOP_loop: + val = get_u32(pc); + pc += 4; + if (--stack[stack_len - 1] != 0) { + pc += (int)val; + } + break; + case REOP_push_char_pos: + stack[stack_len++] = (uintptr_t)cptr; + break; + case REOP_bne_char_pos: + val = get_u32(pc); + pc += 4; + if (stack[--stack_len] != (uintptr_t)cptr) + pc += (int)val; + break; + case REOP_word_boundary: + case REOP_not_word_boundary: + { + BOOL v1, v2; + /* char before */ + if (cptr == s->cbuf) { + v1 = FALSE; + } else { + PEEK_PREV_CHAR(c, cptr, s->cbuf); + v1 = is_word_char(c); + } + /* current char */ + if (cptr >= cbuf_end) { + v2 = FALSE; + } else { + PEEK_CHAR(c, cptr, cbuf_end); + v2 = is_word_char(c); + } + if (v1 ^ v2 ^ (REOP_not_word_boundary - opcode)) + goto no_match; + } + break; + case REOP_back_reference: + case REOP_backward_back_reference: + { + const uint8_t *cptr1, *cptr1_end, *cptr1_start; + uint32_t c1, c2; + + val = *pc++; + if (val >= s->capture_count) + goto no_match; + cptr1_start = capture[2 * val]; + cptr1_end = capture[2 * val + 1]; + if (!cptr1_start || !cptr1_end) + break; + if (opcode == REOP_back_reference) { + cptr1 = cptr1_start; + while (cptr1 < cptr1_end) { + if (cptr >= cbuf_end) + goto no_match; + GET_CHAR(c1, cptr1, cptr1_end); + GET_CHAR(c2, cptr, cbuf_end); + if (s->ignore_case) { + c1 = lre_canonicalize(c1, s->is_utf16); + c2 = lre_canonicalize(c2, s->is_utf16); + } + if (c1 != c2) + goto no_match; + } + } else { + cptr1 = cptr1_end; + while (cptr1 > cptr1_start) { + if (cptr == s->cbuf) + goto no_match; + GET_PREV_CHAR(c1, cptr1, cptr1_start); + GET_PREV_CHAR(c2, cptr, s->cbuf); + if (s->ignore_case) { + c1 = lre_canonicalize(c1, s->is_utf16); + c2 = lre_canonicalize(c2, s->is_utf16); + } + if (c1 != c2) + goto no_match; + } + } + } + break; + case REOP_range: + { + int n; + uint32_t low, high, idx_min, idx_max, idx; + + n = get_u16(pc); /* n must be >= 1 */ + pc += 2; + if (cptr >= cbuf_end) + goto no_match; + GET_CHAR(c, cptr, cbuf_end); + if (s->ignore_case) { + c = lre_canonicalize(c, s->is_utf16); + } + idx_min = 0; + low = get_u16(pc + 0 * 4); + if (c < low) + goto no_match; + idx_max = n - 1; + high = get_u16(pc + idx_max * 4 + 2); + /* 0xffff in for last value means +infinity */ + if (unlikely(c >= 0xffff) && high == 0xffff) + goto range_match; + if (c > high) + goto no_match; + while (idx_min <= idx_max) { + idx = (idx_min + idx_max) / 2; + low = get_u16(pc + idx * 4); + high = get_u16(pc + idx * 4 + 2); + if (c < low) + idx_max = idx - 1; + else if (c > high) + idx_min = idx + 1; + else + goto range_match; + } + goto no_match; + range_match: + pc += 4 * n; + } + break; + case REOP_range32: + { + int n; + uint32_t low, high, idx_min, idx_max, idx; + + n = get_u16(pc); /* n must be >= 1 */ + pc += 2; + if (cptr >= cbuf_end) + goto no_match; + GET_CHAR(c, cptr, cbuf_end); + if (s->ignore_case) { + c = lre_canonicalize(c, s->is_utf16); + } + idx_min = 0; + low = get_u32(pc + 0 * 8); + if (c < low) + goto no_match; + idx_max = n - 1; + high = get_u32(pc + idx_max * 8 + 4); + if (c > high) + goto no_match; + while (idx_min <= idx_max) { + idx = (idx_min + idx_max) / 2; + low = get_u32(pc + idx * 8); + high = get_u32(pc + idx * 8 + 4); + if (c < low) + idx_max = idx - 1; + else if (c > high) + idx_min = idx + 1; + else + goto range32_match; + } + goto no_match; + range32_match: + pc += 8 * n; + } + break; + case REOP_prev: + /* go to the previous char */ + if (cptr == s->cbuf) + goto no_match; + PREV_CHAR(cptr, s->cbuf); + break; + case REOP_simple_greedy_quant: + { + uint32_t next_pos, quant_min, quant_max; + size_t q; + intptr_t res; + const uint8_t *pc1; + + next_pos = get_u32(pc); + quant_min = get_u32(pc + 4); + quant_max = get_u32(pc + 8); + pc += 16; + pc1 = pc; + pc += (int)next_pos; + + q = 0; + for(;;) { + res = lre_exec_backtrack(s, capture, stack, stack_len, + pc1, cptr, TRUE); + if (res == -1) + return res; + if (!res) + break; + cptr = (uint8_t *)res; + q++; + if (q >= quant_max && quant_max != INT32_MAX) + break; + } + if (q < quant_min) + goto no_match; + if (q > quant_min) { + /* will examine all matches down to quant_min */ + ret = push_state(s, capture, stack, stack_len, + pc1 - 16, cptr, + RE_EXEC_STATE_GREEDY_QUANT, + q - quant_min); + if (ret < 0) + return -1; + } + } + break; + default: + abort(); + } + } +} + +/* Return 1 if match, 0 if not match or -1 if error. cindex is the + starting position of the match and must be such as 0 <= cindex <= + clen. */ +int lre_exec(uint8_t **capture, + const uint8_t *bc_buf, const uint8_t *cbuf, int cindex, int clen, + int cbuf_type, void *opaque) +{ + REExecContext s_s, *s = &s_s; + int re_flags, i, alloca_size, ret; + StackInt *stack_buf; + + re_flags = bc_buf[RE_HEADER_FLAGS]; + s->multi_line = (re_flags & LRE_FLAG_MULTILINE) != 0; + s->ignore_case = (re_flags & LRE_FLAG_IGNORECASE) != 0; + s->is_utf16 = (re_flags & LRE_FLAG_UTF16) != 0; + s->capture_count = bc_buf[RE_HEADER_CAPTURE_COUNT]; + s->stack_size_max = bc_buf[RE_HEADER_STACK_SIZE]; + s->cbuf = cbuf; + s->cbuf_end = cbuf + (clen << cbuf_type); + s->cbuf_type = cbuf_type; + if (s->cbuf_type == 1 && s->is_utf16) + s->cbuf_type = 2; + s->opaque = opaque; + + s->state_size = sizeof(REExecState) + + s->capture_count * sizeof(capture[0]) * 2 + + s->stack_size_max * sizeof(stack_buf[0]); + s->state_stack = NULL; + s->state_stack_len = 0; + s->state_stack_size = 0; + + for(i = 0; i < s->capture_count * 2; i++) + capture[i] = NULL; + alloca_size = s->stack_size_max * sizeof(stack_buf[0]); + stack_buf = alloca(alloca_size); + ret = lre_exec_backtrack(s, capture, stack_buf, 0, bc_buf + RE_HEADER_LEN, + cbuf + (cindex << cbuf_type), FALSE); + lre_realloc(s->opaque, s->state_stack, 0); + return ret; +} + +int lre_get_capture_count(const uint8_t *bc_buf) +{ + return bc_buf[RE_HEADER_CAPTURE_COUNT]; +} + +int lre_get_flags(const uint8_t *bc_buf) +{ + return bc_buf[RE_HEADER_FLAGS]; +} + +#ifdef TEST + +BOOL lre_check_stack_overflow(void *opaque, size_t alloca_size) +{ + return FALSE; +} + +void *lre_realloc(void *opaque, void *ptr, size_t size) +{ + return realloc(ptr, size); +} + +int main(int argc, char **argv) +{ + int len, ret, i; + uint8_t *bc; + char error_msg[64]; + uint8_t *capture[CAPTURE_COUNT_MAX * 2]; + const char *input; + int input_len, capture_count; + + if (argc < 3) { + printf("usage: %s regexp input\n", argv[0]); + exit(1); + } + bc = lre_compile(&len, error_msg, sizeof(error_msg), argv[1], + strlen(argv[1]), 0, NULL); + if (!bc) { + fprintf(stderr, "error: %s\n", error_msg); + exit(1); + } + + input = argv[2]; + input_len = strlen(input); + + ret = lre_exec(capture, bc, (uint8_t *)input, 0, input_len, 0, NULL); + printf("ret=%d\n", ret); + if (ret == 1) { + capture_count = lre_get_capture_count(bc); + for(i = 0; i < 2 * capture_count; i++) { + uint8_t *ptr; + ptr = capture[i]; + printf("%d: ", i); + if (!ptr) + printf(""); + else + printf("%u", (int)(ptr - (uint8_t *)input)); + printf("\n"); + } + } + return 0; +} +#endif diff --git a/android/src/main/jni/quickjs/libregexp.h b/android/src/main/jni/quickjs/libregexp.h new file mode 100644 index 0000000..cd0b24f --- /dev/null +++ b/android/src/main/jni/quickjs/libregexp.h @@ -0,0 +1,91 @@ +/* + * Regular Expression Engine + * + * Copyright (c) 2017-2018 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef LIBREGEXP_H +#define LIBREGEXP_H + +#include + +#include "libunicode.h" + +#define LRE_BOOL int /* for documentation purposes */ + +#define LRE_FLAG_GLOBAL (1 << 0) +#define LRE_FLAG_IGNORECASE (1 << 1) +#define LRE_FLAG_MULTILINE (1 << 2) +#define LRE_FLAG_DOTALL (1 << 3) +#define LRE_FLAG_UTF16 (1 << 4) +#define LRE_FLAG_STICKY (1 << 5) + +#define LRE_FLAG_NAMED_GROUPS (1 << 7) /* named groups are present in the regexp */ + +uint8_t *lre_compile(int *plen, char *error_msg, int error_msg_size, + const char *buf, size_t buf_len, int re_flags, + void *opaque); +int lre_get_capture_count(const uint8_t *bc_buf); +int lre_get_flags(const uint8_t *bc_buf); +int lre_exec(uint8_t **capture, + const uint8_t *bc_buf, const uint8_t *cbuf, int cindex, int clen, + int cbuf_type, void *opaque); + +int lre_parse_escape(const uint8_t **pp, int allow_utf16); +LRE_BOOL lre_is_space(int c); + +/* must be provided by the user */ +LRE_BOOL lre_check_stack_overflow(void *opaque, size_t alloca_size); +void *lre_realloc(void *opaque, void *ptr, size_t size); + +/* JS identifier test */ +extern uint32_t const lre_id_start_table_ascii[4]; +extern uint32_t const lre_id_continue_table_ascii[4]; + +static inline int lre_js_is_ident_first(int c) +{ + if ((uint32_t)c < 128) { + return (lre_id_start_table_ascii[c >> 5] >> (c & 31)) & 1; + } else { +#ifdef CONFIG_ALL_UNICODE + return lre_is_id_start(c); +#else + return !lre_is_space(c); +#endif + } +} + +static inline int lre_js_is_ident_next(int c) +{ + if ((uint32_t)c < 128) { + return (lre_id_continue_table_ascii[c >> 5] >> (c & 31)) & 1; + } else { + /* ZWNJ and ZWJ are accepted in identifiers */ +#ifdef CONFIG_ALL_UNICODE + return lre_is_id_continue(c) || c == 0x200C || c == 0x200D; +#else + return !lre_is_space(c) || c == 0x200C || c == 0x200D; +#endif + } +} + +#undef LRE_BOOL + +#endif /* LIBREGEXP_H */ diff --git a/android/src/main/jni/quickjs/libunicode-table.h b/android/src/main/jni/quickjs/libunicode-table.h new file mode 100644 index 0000000..0ef2113 --- /dev/null +++ b/android/src/main/jni/quickjs/libunicode-table.h @@ -0,0 +1,4368 @@ +/* Compressed unicode tables */ +/* Automatically generated file - do not edit */ + +#include + +static const uint32_t case_conv_table1[361] = { + 0x00209a30, 0x00309a00, 0x005a8173, 0x00601730, + 0x006c0730, 0x006f81b3, 0x00701700, 0x007c0700, + 0x007f8100, 0x00803040, 0x009801c3, 0x00988190, + 0x00990640, 0x009c9040, 0x00a481b4, 0x00a52e40, + 0x00bc0130, 0x00bc8640, 0x00bf8170, 0x00c00100, + 0x00c08130, 0x00c10440, 0x00c30130, 0x00c38240, + 0x00c48230, 0x00c58240, 0x00c70130, 0x00c78130, + 0x00c80130, 0x00c88240, 0x00c98130, 0x00ca0130, + 0x00ca8100, 0x00cb0130, 0x00cb8130, 0x00cc0240, + 0x00cd0100, 0x00ce0130, 0x00ce8130, 0x00cf0100, + 0x00cf8130, 0x00d00640, 0x00d30130, 0x00d38240, + 0x00d48130, 0x00d60240, 0x00d70130, 0x00d78240, + 0x00d88230, 0x00d98440, 0x00db8130, 0x00dc0240, + 0x00de0240, 0x00df8100, 0x00e20350, 0x00e38350, + 0x00e50350, 0x00e69040, 0x00ee8100, 0x00ef1240, + 0x00f801b4, 0x00f88350, 0x00fa0240, 0x00fb0130, + 0x00fb8130, 0x00fc2840, 0x01100130, 0x01111240, + 0x011d0131, 0x011d8240, 0x011e8130, 0x011f0131, + 0x011f8201, 0x01208240, 0x01218130, 0x01220130, + 0x01228130, 0x01230a40, 0x01280101, 0x01288101, + 0x01290101, 0x01298100, 0x012a0100, 0x012b0200, + 0x012c8100, 0x012d8100, 0x012e0101, 0x01300100, + 0x01308101, 0x01318100, 0x01328101, 0x01330101, + 0x01340100, 0x01348100, 0x01350101, 0x01358101, + 0x01360101, 0x01378100, 0x01388101, 0x01390100, + 0x013a8100, 0x013e8101, 0x01400100, 0x01410101, + 0x01418100, 0x01438101, 0x01440100, 0x01448100, + 0x01450200, 0x01460100, 0x01490100, 0x014e8101, + 0x014f0101, 0x01a28173, 0x01b80440, 0x01bb0240, + 0x01bd8300, 0x01bf8130, 0x01c30130, 0x01c40330, + 0x01c60130, 0x01c70230, 0x01c801d0, 0x01c89130, + 0x01d18930, 0x01d60100, 0x01d68300, 0x01d801d3, + 0x01d89100, 0x01e10173, 0x01e18900, 0x01e60100, + 0x01e68200, 0x01e78130, 0x01e80173, 0x01e88173, + 0x01ea8173, 0x01eb0173, 0x01eb8100, 0x01ec1840, + 0x01f80173, 0x01f88173, 0x01f90100, 0x01f98100, + 0x01fa01a0, 0x01fa8173, 0x01fb8240, 0x01fc8130, + 0x01fd0240, 0x01fe8330, 0x02001030, 0x02082030, + 0x02182000, 0x02281000, 0x02302240, 0x02453640, + 0x02600130, 0x02608e40, 0x02678100, 0x02686040, + 0x0298a630, 0x02b0a600, 0x02c381b5, 0x08502631, + 0x08638131, 0x08668131, 0x08682b00, 0x087e8300, + 0x09d05011, 0x09f80610, 0x09fc0620, 0x0e400174, + 0x0e408174, 0x0e410174, 0x0e418174, 0x0e420174, + 0x0e428174, 0x0e430174, 0x0e438180, 0x0e440180, + 0x0e482b30, 0x0e5e8330, 0x0ebc8101, 0x0ebe8101, + 0x0ec70101, 0x0f007e40, 0x0f3f1840, 0x0f4b01b5, + 0x0f4b81b6, 0x0f4c01b6, 0x0f4c81b6, 0x0f4d01b7, + 0x0f4d8180, 0x0f4f0130, 0x0f506040, 0x0f800800, + 0x0f840830, 0x0f880600, 0x0f8c0630, 0x0f900800, + 0x0f940830, 0x0f980800, 0x0f9c0830, 0x0fa00600, + 0x0fa40630, 0x0fa801b0, 0x0fa88100, 0x0fa901d3, + 0x0fa98100, 0x0faa01d3, 0x0faa8100, 0x0fab01d3, + 0x0fab8100, 0x0fac8130, 0x0fad8130, 0x0fae8130, + 0x0faf8130, 0x0fb00800, 0x0fb40830, 0x0fb80200, + 0x0fb90400, 0x0fbb0200, 0x0fbc0201, 0x0fbd0201, + 0x0fbe0201, 0x0fc008b7, 0x0fc40867, 0x0fc808b8, + 0x0fcc0868, 0x0fd008b8, 0x0fd40868, 0x0fd80200, + 0x0fd901b9, 0x0fd981b1, 0x0fda01b9, 0x0fdb01b1, + 0x0fdb81d7, 0x0fdc0230, 0x0fdd0230, 0x0fde0161, + 0x0fdf0173, 0x0fe101b9, 0x0fe181b2, 0x0fe201ba, + 0x0fe301b2, 0x0fe381d8, 0x0fe40430, 0x0fe60162, + 0x0fe80200, 0x0fe901d0, 0x0fe981d0, 0x0feb01b0, + 0x0feb81d0, 0x0fec0230, 0x0fed0230, 0x0ff00201, + 0x0ff101d3, 0x0ff181d3, 0x0ff201ba, 0x0ff28101, + 0x0ff301b0, 0x0ff381d3, 0x0ff40230, 0x0ff50230, + 0x0ff60131, 0x0ff901ba, 0x0ff981b2, 0x0ffa01bb, + 0x0ffb01b2, 0x0ffb81d9, 0x0ffc0230, 0x0ffd0230, + 0x0ffe0162, 0x109301a0, 0x109501a0, 0x109581a0, + 0x10990131, 0x10a70101, 0x10b01031, 0x10b81001, + 0x10c18240, 0x125b1a31, 0x12681a01, 0x16002f31, + 0x16182f01, 0x16300240, 0x16310130, 0x16318130, + 0x16320130, 0x16328100, 0x16330100, 0x16338640, + 0x16368130, 0x16370130, 0x16378130, 0x16380130, + 0x16390240, 0x163a8240, 0x163f0230, 0x16406440, + 0x16758440, 0x16790240, 0x16802600, 0x16938100, + 0x16968100, 0x53202e40, 0x53401c40, 0x53910e40, + 0x53993e40, 0x53bc8440, 0x53be8130, 0x53bf0a40, + 0x53c58240, 0x53c68130, 0x53c80440, 0x53ca0101, + 0x53cb1440, 0x53d50130, 0x53d58130, 0x53d60130, + 0x53d68130, 0x53d70130, 0x53d80130, 0x53d88130, + 0x53d90130, 0x53d98131, 0x53da0c40, 0x53e10240, + 0x53e20131, 0x53e28130, 0x53e30130, 0x53e38440, + 0x53fa8240, 0x55a98101, 0x55b85020, 0x7d8001b2, + 0x7d8081b2, 0x7d8101b2, 0x7d8181da, 0x7d8201da, + 0x7d8281b3, 0x7d8301b3, 0x7d8981bb, 0x7d8a01bb, + 0x7d8a81bb, 0x7d8b01bc, 0x7d8b81bb, 0x7f909a31, + 0x7fa09a01, 0x82002831, 0x82142801, 0x82582431, + 0x826c2401, 0x86403331, 0x86603301, 0x8c502031, + 0x8c602001, 0xb7202031, 0xb7302001, 0xf4802231, + 0xf4912201, +}; + +static const uint8_t case_conv_table2[361] = { + 0x01, 0x00, 0x9c, 0x06, 0x07, 0x4d, 0x03, 0x04, + 0x10, 0x00, 0x8f, 0x0b, 0x00, 0x00, 0x11, 0x00, + 0x08, 0x00, 0x53, 0x4a, 0x51, 0x00, 0x52, 0x00, + 0x53, 0x00, 0x3a, 0x54, 0x55, 0x00, 0x57, 0x59, + 0x3f, 0x5d, 0x5c, 0x00, 0x46, 0x61, 0x63, 0x42, + 0x64, 0x00, 0x66, 0x00, 0x68, 0x00, 0x6a, 0x00, + 0x6c, 0x00, 0x6e, 0x00, 0x00, 0x40, 0x00, 0x00, + 0x00, 0x00, 0x1a, 0x00, 0x93, 0x00, 0x00, 0x20, + 0x35, 0x00, 0x27, 0x00, 0x21, 0x00, 0x24, 0x22, + 0x2a, 0x00, 0x13, 0x6b, 0x6d, 0x00, 0x26, 0x24, + 0x27, 0x14, 0x16, 0x18, 0x1b, 0x1c, 0x3e, 0x1e, + 0x3f, 0x1f, 0x39, 0x3d, 0x22, 0x21, 0x41, 0x1e, + 0x40, 0x25, 0x25, 0x26, 0x28, 0x20, 0x2a, 0x49, + 0x2c, 0x43, 0x2e, 0x4b, 0x30, 0x4c, 0x32, 0x44, + 0x42, 0x99, 0x00, 0x00, 0x95, 0x8f, 0x7d, 0x7e, + 0x83, 0x84, 0x12, 0x80, 0x82, 0x76, 0x77, 0x12, + 0x7b, 0xa3, 0x7c, 0x78, 0x79, 0x8a, 0x92, 0x98, + 0xa6, 0xa0, 0x85, 0x00, 0x9a, 0xa1, 0x93, 0x75, + 0x33, 0x95, 0x00, 0x8e, 0x00, 0x74, 0x99, 0x98, + 0x97, 0x96, 0x00, 0x00, 0x9e, 0x00, 0x9c, 0x00, + 0xa1, 0xa0, 0x15, 0x2e, 0x2f, 0x30, 0xb4, 0xb5, + 0x4e, 0xaa, 0xa9, 0x12, 0x14, 0x1e, 0x21, 0x22, + 0x22, 0x2a, 0x34, 0x35, 0xa6, 0xa7, 0x36, 0x1f, + 0x4a, 0x00, 0x00, 0x97, 0x01, 0x5a, 0xda, 0x1d, + 0x36, 0x05, 0x00, 0xc4, 0xc3, 0xc6, 0xc5, 0xc8, + 0xc7, 0xca, 0xc9, 0xcc, 0xcb, 0xc4, 0xd5, 0x45, + 0xd6, 0x42, 0xd7, 0x46, 0xd8, 0xce, 0xd0, 0xd2, + 0xd4, 0xda, 0xd9, 0xee, 0xf6, 0xfe, 0x0e, 0x07, + 0x0f, 0x80, 0x9f, 0x00, 0x21, 0x80, 0xa3, 0xed, + 0x00, 0xc0, 0x40, 0xc6, 0x60, 0xe7, 0xdb, 0xe6, + 0x99, 0xc0, 0x00, 0x00, 0x06, 0x60, 0xdc, 0x29, + 0xfd, 0x15, 0x12, 0x06, 0x16, 0xf8, 0xdd, 0x06, + 0x15, 0x12, 0x84, 0x08, 0xc6, 0x16, 0xff, 0xdf, + 0x03, 0xc0, 0x40, 0x00, 0x46, 0x60, 0xde, 0xe0, + 0x6d, 0x37, 0x38, 0x39, 0x15, 0x14, 0x17, 0x16, + 0x00, 0x1a, 0x19, 0x1c, 0x1b, 0x00, 0x5f, 0xb7, + 0x65, 0x44, 0x47, 0x00, 0x4f, 0x62, 0x4e, 0x50, + 0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0xa3, 0xa4, + 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb6, 0x00, + 0x00, 0x5a, 0x00, 0x48, 0x00, 0x5b, 0x56, 0x58, + 0x60, 0x5e, 0x70, 0x69, 0x6f, 0x4d, 0x00, 0x00, + 0x3b, 0x67, 0xb8, 0x00, 0x00, 0x45, 0xa8, 0x8a, + 0x8b, 0x8c, 0xab, 0xac, 0x58, 0x58, 0xaf, 0x94, + 0xb0, 0x6f, 0xb2, 0x5c, 0x5b, 0x5e, 0x5d, 0x60, + 0x5f, 0x62, 0x61, 0x64, 0x63, 0x66, 0x65, 0x68, + 0x67, +}; + +static const uint16_t case_conv_ext[58] = { + 0x0399, 0x0308, 0x0301, 0x03a5, 0x0313, 0x0300, 0x0342, 0x0391, + 0x0397, 0x03a9, 0x0046, 0x0049, 0x004c, 0x0053, 0x0069, 0x0307, + 0x02bc, 0x004e, 0x004a, 0x030c, 0x0535, 0x0552, 0x0048, 0x0331, + 0x0054, 0x0057, 0x030a, 0x0059, 0x0041, 0x02be, 0x1f08, 0x1f80, + 0x1f28, 0x1f90, 0x1f68, 0x1fa0, 0x1fba, 0x0386, 0x1fb3, 0x1fca, + 0x0389, 0x1fc3, 0x03a1, 0x1ffa, 0x038f, 0x1ff3, 0x0544, 0x0546, + 0x053b, 0x054e, 0x053d, 0x03b8, 0x0462, 0xa64a, 0x1e60, 0x03c9, + 0x006b, 0x00e5, +}; + +static const uint8_t unicode_prop_Cased1_table[172] = { + 0x40, 0xa9, 0x80, 0x8e, 0x80, 0xfc, 0x80, 0xd3, + 0x80, 0x8c, 0x80, 0x8d, 0x81, 0x8d, 0x02, 0x80, + 0xe1, 0x80, 0x91, 0x85, 0x9a, 0x01, 0x00, 0x01, + 0x11, 0x00, 0x01, 0x04, 0x08, 0x01, 0x08, 0x30, + 0x08, 0x01, 0x15, 0x20, 0x00, 0x39, 0x99, 0x31, + 0x9d, 0x84, 0x40, 0x94, 0x80, 0xd6, 0x82, 0xa6, + 0x80, 0x41, 0x62, 0x80, 0xa6, 0x80, 0x57, 0x76, + 0xf8, 0x02, 0x80, 0x8f, 0x80, 0xb0, 0x40, 0xdb, + 0x08, 0x80, 0x41, 0xd0, 0x80, 0x8c, 0x80, 0x8f, + 0x8c, 0xe4, 0x03, 0x01, 0x89, 0x00, 0x14, 0x28, + 0x10, 0x11, 0x02, 0x01, 0x18, 0x0b, 0x24, 0x4b, + 0x26, 0x01, 0x01, 0x86, 0xe5, 0x80, 0x60, 0x79, + 0xb6, 0x81, 0x40, 0x91, 0x81, 0xbd, 0x88, 0x94, + 0x05, 0x80, 0x98, 0x80, 0xc7, 0x82, 0x43, 0x34, + 0xa2, 0x06, 0x80, 0x8c, 0x61, 0x28, 0x96, 0xd4, + 0x80, 0xc6, 0x01, 0x08, 0x09, 0x0b, 0x80, 0x8b, + 0x00, 0x06, 0x80, 0xc0, 0x03, 0x0f, 0x06, 0x80, + 0x9b, 0x03, 0x04, 0x00, 0x16, 0x80, 0x41, 0x53, + 0x81, 0x98, 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, + 0x80, 0x9e, 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, + 0x80, 0x9e, 0x80, 0x98, 0x07, 0x59, 0x63, 0x99, + 0x85, 0x99, 0x85, 0x99, +}; + +static const uint8_t unicode_prop_Cased1_index[18] = { + 0xb9, 0x02, 0xe0, 0xa0, 0x1e, 0x40, 0x9e, 0xa6, + 0x40, 0xba, 0xd4, 0x01, 0x89, 0xd7, 0x01, 0x8a, + 0xf1, 0x01, +}; + +static const uint8_t unicode_prop_Case_Ignorable_table[692] = { + 0xa6, 0x05, 0x80, 0x8a, 0x80, 0xa2, 0x00, 0x80, + 0xc6, 0x03, 0x00, 0x03, 0x01, 0x81, 0x41, 0xf6, + 0x40, 0xbf, 0x19, 0x18, 0x88, 0x08, 0x80, 0x40, + 0xfa, 0x86, 0x40, 0xce, 0x04, 0x80, 0xb0, 0xac, + 0x00, 0x01, 0x01, 0x00, 0xab, 0x80, 0x8a, 0x85, + 0x89, 0x8a, 0x00, 0xa2, 0x80, 0x89, 0x94, 0x8f, + 0x80, 0xe4, 0x38, 0x89, 0x03, 0xa0, 0x00, 0x80, + 0x9d, 0x9a, 0xda, 0x8a, 0xb9, 0x8a, 0x18, 0x08, + 0x97, 0x97, 0xaa, 0x82, 0xf6, 0xaf, 0xb6, 0x00, + 0x03, 0x3b, 0x02, 0x86, 0x89, 0x81, 0x8c, 0x80, + 0x8e, 0x80, 0xb9, 0x03, 0x1f, 0x80, 0x93, 0x81, + 0x99, 0x01, 0x81, 0xb8, 0x03, 0x0b, 0x09, 0x12, + 0x80, 0x9d, 0x0a, 0x80, 0x8a, 0x81, 0xb8, 0x03, + 0x20, 0x0b, 0x80, 0x93, 0x81, 0x95, 0x28, 0x80, + 0xb9, 0x01, 0x00, 0x1f, 0x06, 0x81, 0x8a, 0x81, + 0x9d, 0x80, 0xbc, 0x80, 0x8b, 0x80, 0xb1, 0x02, + 0x80, 0xb8, 0x14, 0x10, 0x1e, 0x81, 0x8a, 0x81, + 0x9c, 0x80, 0xb9, 0x01, 0x05, 0x04, 0x81, 0x93, + 0x81, 0x9b, 0x81, 0xb8, 0x0b, 0x1f, 0x80, 0x93, + 0x81, 0x9c, 0x80, 0xc7, 0x06, 0x10, 0x80, 0xd9, + 0x01, 0x86, 0x8a, 0x88, 0xe1, 0x01, 0x88, 0x88, + 0x00, 0x85, 0xc9, 0x81, 0x9a, 0x00, 0x00, 0x80, + 0xb6, 0x8d, 0x04, 0x01, 0x84, 0x8a, 0x80, 0xa3, + 0x88, 0x80, 0xe5, 0x18, 0x28, 0x09, 0x81, 0x98, + 0x0b, 0x82, 0x8f, 0x83, 0x8c, 0x01, 0x0d, 0x80, + 0x8e, 0x80, 0xdd, 0x80, 0x42, 0x5f, 0x82, 0x43, + 0xb1, 0x82, 0x9c, 0x82, 0x9c, 0x81, 0x9d, 0x81, + 0xbf, 0x08, 0x37, 0x01, 0x8a, 0x10, 0x20, 0xac, + 0x83, 0xb3, 0x80, 0xc0, 0x81, 0xa1, 0x80, 0xf5, + 0x13, 0x81, 0x88, 0x05, 0x82, 0x40, 0xda, 0x09, + 0x80, 0xb9, 0x00, 0x30, 0x00, 0x01, 0x3d, 0x89, + 0x08, 0xa6, 0x07, 0x90, 0xbe, 0x83, 0xaf, 0x00, + 0x20, 0x04, 0x80, 0xa7, 0x88, 0x8b, 0x81, 0x9f, + 0x19, 0x08, 0x82, 0xb7, 0x00, 0x0a, 0x00, 0x82, + 0xb9, 0x39, 0x81, 0xbf, 0x85, 0xd1, 0x10, 0x8c, + 0x06, 0x18, 0x28, 0x11, 0xb1, 0xbe, 0x8c, 0x80, + 0xa1, 0xde, 0x04, 0x41, 0xbc, 0x00, 0x82, 0x8a, + 0x82, 0x8c, 0x82, 0x8c, 0x82, 0x8c, 0x81, 0x8b, + 0x27, 0x81, 0x89, 0x01, 0x01, 0x84, 0xb0, 0x20, + 0x89, 0x00, 0x8c, 0x80, 0x8f, 0x8c, 0xb2, 0xa0, + 0x4b, 0x8a, 0x81, 0xf0, 0x82, 0xfc, 0x80, 0x8e, + 0x80, 0xdf, 0x9f, 0xae, 0x80, 0x41, 0xd4, 0x80, + 0xa3, 0x1a, 0x24, 0x80, 0xdc, 0x85, 0xdc, 0x82, + 0x60, 0x6f, 0x15, 0x80, 0x44, 0xe1, 0x85, 0x41, + 0x0d, 0x80, 0xe1, 0x18, 0x89, 0x00, 0x9b, 0x83, + 0xcf, 0x81, 0x8d, 0xa1, 0xcd, 0x80, 0x96, 0x82, + 0xec, 0x0f, 0x02, 0x03, 0x80, 0x98, 0x0c, 0x80, + 0x40, 0x96, 0x81, 0x99, 0x91, 0x8c, 0x80, 0xa5, + 0x87, 0x98, 0x8a, 0xad, 0x82, 0xaf, 0x01, 0x19, + 0x81, 0x90, 0x80, 0x94, 0x81, 0xc1, 0x29, 0x09, + 0x81, 0x8b, 0x07, 0x80, 0xa2, 0x80, 0x8a, 0x80, + 0xb2, 0x00, 0x11, 0x0c, 0x08, 0x80, 0x9a, 0x80, + 0x8d, 0x0c, 0x08, 0x80, 0xe3, 0x84, 0x88, 0x82, + 0xf8, 0x01, 0x03, 0x80, 0x60, 0x4f, 0x2f, 0x80, + 0x40, 0x92, 0x8f, 0x42, 0x3d, 0x8f, 0x10, 0x8b, + 0x8f, 0xa1, 0x01, 0x80, 0x40, 0xa8, 0x06, 0x05, + 0x80, 0x8a, 0x80, 0xa2, 0x00, 0x80, 0xae, 0x80, + 0xac, 0x81, 0xc2, 0x80, 0x94, 0x82, 0x42, 0x00, + 0x80, 0x40, 0xe1, 0x80, 0x40, 0x94, 0x84, 0x46, + 0x85, 0x10, 0x0c, 0x83, 0xa7, 0x13, 0x80, 0x40, + 0xa4, 0x81, 0x42, 0x3c, 0x83, 0x41, 0x82, 0x81, + 0x40, 0x98, 0x8a, 0x40, 0xaf, 0x80, 0xb5, 0x8e, + 0xb7, 0x82, 0xb0, 0x19, 0x09, 0x80, 0x8e, 0x80, + 0xb1, 0x82, 0xa3, 0x20, 0x87, 0xbd, 0x80, 0x8b, + 0x81, 0xb3, 0x88, 0x89, 0x19, 0x80, 0xde, 0x11, + 0x00, 0x0d, 0x80, 0x40, 0x9f, 0x02, 0x87, 0x94, + 0x81, 0xb8, 0x0a, 0x80, 0xa4, 0x32, 0x84, 0x40, + 0xc2, 0x39, 0x10, 0x80, 0x96, 0x80, 0xd3, 0x28, + 0x03, 0x08, 0x81, 0x40, 0xed, 0x1d, 0x08, 0x81, + 0x9a, 0x81, 0xd4, 0x39, 0x00, 0x81, 0xe9, 0x00, + 0x01, 0x28, 0x80, 0xe4, 0x11, 0x18, 0x84, 0x41, + 0x02, 0x88, 0x01, 0x40, 0xff, 0x08, 0x03, 0x80, + 0x40, 0x8f, 0x19, 0x0b, 0x80, 0x9f, 0x89, 0xa7, + 0x29, 0x1f, 0x80, 0x88, 0x29, 0x82, 0xad, 0x8c, + 0x01, 0x41, 0x95, 0x30, 0x28, 0x80, 0xd1, 0x95, + 0x0e, 0x01, 0x01, 0xf9, 0x2a, 0x00, 0x08, 0x30, + 0x80, 0xc7, 0x0a, 0x00, 0x80, 0x41, 0x5a, 0x81, + 0x55, 0x3a, 0x88, 0x60, 0x36, 0xb6, 0x84, 0xba, + 0x86, 0x88, 0x83, 0x44, 0x0a, 0x80, 0xbe, 0x90, + 0xbf, 0x08, 0x81, 0x60, 0x4c, 0xb7, 0x08, 0x83, + 0x54, 0xc2, 0x82, 0x88, 0x8f, 0x0e, 0x9d, 0x83, + 0x40, 0x93, 0x82, 0x47, 0xba, 0xb6, 0x83, 0xb1, + 0x38, 0x8d, 0x80, 0x95, 0x20, 0x8e, 0x45, 0x4f, + 0x30, 0x90, 0x0e, 0x01, 0x04, 0x41, 0x04, 0x8d, + 0x41, 0xad, 0x83, 0x45, 0xdf, 0x86, 0xec, 0x87, + 0x4a, 0xae, 0x84, 0x6c, 0x0c, 0x00, 0x80, 0x9d, + 0xdf, 0xff, 0x40, 0xef, +}; + +static const uint8_t unicode_prop_Case_Ignorable_index[66] = { + 0xbe, 0x05, 0x00, 0xfe, 0x07, 0x00, 0x52, 0x0a, + 0x20, 0x05, 0x0c, 0x20, 0x3b, 0x0e, 0x40, 0x61, + 0x10, 0x40, 0x0f, 0x18, 0x20, 0x43, 0x1b, 0x60, + 0x79, 0x1d, 0x00, 0xf1, 0x20, 0x00, 0x0d, 0xa6, + 0x40, 0x2e, 0xa9, 0x20, 0xde, 0xaa, 0x00, 0x0f, + 0xff, 0x20, 0xe7, 0x0a, 0x41, 0x82, 0x11, 0x21, + 0xc4, 0x14, 0x61, 0x44, 0x19, 0x01, 0x48, 0x1d, + 0x21, 0xa4, 0xbc, 0x01, 0x3e, 0xe1, 0x01, 0xf0, + 0x01, 0x0e, +}; + +static const uint8_t unicode_prop_ID_Start_table[1045] = { + 0xc0, 0x99, 0x85, 0x99, 0xae, 0x80, 0x89, 0x03, + 0x04, 0x96, 0x80, 0x9e, 0x80, 0x41, 0xc9, 0x83, + 0x8b, 0x8d, 0x26, 0x00, 0x80, 0x40, 0x80, 0x20, + 0x09, 0x18, 0x05, 0x00, 0x10, 0x00, 0x93, 0x80, + 0xd2, 0x80, 0x40, 0x8a, 0x87, 0x40, 0xa5, 0x80, + 0xa5, 0x08, 0x85, 0xa8, 0xc6, 0x9a, 0x1b, 0xac, + 0xaa, 0xa2, 0x08, 0xe2, 0x00, 0x8e, 0x0e, 0x81, + 0x89, 0x11, 0x80, 0x8f, 0x00, 0x9d, 0x9c, 0xd8, + 0x8a, 0x80, 0x97, 0xa0, 0x88, 0x0b, 0x04, 0x95, + 0x18, 0x88, 0x02, 0x80, 0x96, 0x98, 0x86, 0x8a, + 0xb4, 0x94, 0x80, 0x91, 0xbb, 0xb5, 0x10, 0x91, + 0x06, 0x89, 0x8e, 0x8f, 0x1f, 0x09, 0x81, 0x95, + 0x06, 0x00, 0x13, 0x10, 0x8f, 0x80, 0x8c, 0x08, + 0x82, 0x8d, 0x81, 0x89, 0x07, 0x2b, 0x09, 0x95, + 0x06, 0x01, 0x01, 0x01, 0x9e, 0x18, 0x80, 0x92, + 0x82, 0x8f, 0x88, 0x02, 0x80, 0x95, 0x06, 0x01, + 0x04, 0x10, 0x91, 0x80, 0x8e, 0x81, 0x96, 0x80, + 0x8a, 0x39, 0x09, 0x95, 0x06, 0x01, 0x04, 0x10, + 0x9d, 0x08, 0x82, 0x8e, 0x80, 0x90, 0x00, 0x2a, + 0x10, 0x1a, 0x08, 0x00, 0x0a, 0x0a, 0x12, 0x8b, + 0x95, 0x80, 0xb3, 0x38, 0x10, 0x96, 0x80, 0x8f, + 0x10, 0x99, 0x14, 0x81, 0x9d, 0x03, 0x38, 0x10, + 0x96, 0x80, 0x89, 0x04, 0x10, 0x9f, 0x00, 0x81, + 0x8e, 0x81, 0x90, 0x88, 0x02, 0x80, 0xa8, 0x08, + 0x8f, 0x04, 0x17, 0x82, 0x97, 0x2c, 0x91, 0x82, + 0x97, 0x80, 0x88, 0x00, 0x0e, 0xb9, 0xaf, 0x01, + 0x8b, 0x86, 0xb9, 0x08, 0x00, 0x20, 0x97, 0x00, + 0x80, 0x89, 0x01, 0x88, 0x01, 0x20, 0x80, 0x94, + 0x83, 0x9f, 0x80, 0xbe, 0x38, 0xa3, 0x9a, 0x84, + 0xf2, 0xaa, 0x93, 0x80, 0x8f, 0x2b, 0x1a, 0x02, + 0x0e, 0x13, 0x8c, 0x8b, 0x80, 0x90, 0xa5, 0x00, + 0x20, 0x81, 0xaa, 0x80, 0x41, 0x4c, 0x03, 0x0e, + 0x00, 0x03, 0x81, 0xa8, 0x03, 0x81, 0xa0, 0x03, + 0x0e, 0x00, 0x03, 0x81, 0x8e, 0x80, 0xb8, 0x03, + 0x81, 0xc2, 0xa4, 0x8f, 0x8f, 0xd5, 0x0d, 0x82, + 0x42, 0x6b, 0x81, 0x90, 0x80, 0x99, 0x84, 0xca, + 0x82, 0x8a, 0x86, 0x8c, 0x03, 0x8d, 0x91, 0x8d, + 0x91, 0x8d, 0x8c, 0x02, 0x8e, 0xb3, 0xa2, 0x03, + 0x80, 0xc2, 0xd8, 0x86, 0xa8, 0x00, 0x84, 0xc5, + 0x89, 0x9e, 0xb0, 0x9d, 0x0c, 0x8a, 0xab, 0x83, + 0x99, 0xb5, 0x96, 0x88, 0xb4, 0xd1, 0x80, 0xdc, + 0xae, 0x90, 0x86, 0xb6, 0x9d, 0x8c, 0x81, 0x89, + 0xab, 0x99, 0xa3, 0xa8, 0x82, 0x89, 0xa3, 0x81, + 0x88, 0x86, 0xaa, 0x0a, 0xa8, 0x18, 0x28, 0x0a, + 0x04, 0x40, 0xbf, 0xbf, 0x41, 0x15, 0x0d, 0x81, + 0xa5, 0x0d, 0x0f, 0x00, 0x00, 0x00, 0x80, 0x9e, + 0x81, 0xb4, 0x06, 0x00, 0x12, 0x06, 0x13, 0x0d, + 0x83, 0x8c, 0x22, 0x06, 0xf3, 0x80, 0x8c, 0x80, + 0x8f, 0x8c, 0xe4, 0x03, 0x01, 0x89, 0x00, 0x0d, + 0x28, 0x00, 0x00, 0x80, 0x8f, 0x0b, 0x24, 0x18, + 0x90, 0xa8, 0x4a, 0x76, 0xae, 0x80, 0xae, 0x80, + 0x40, 0x84, 0x2b, 0x11, 0x8b, 0xa5, 0x00, 0x20, + 0x81, 0xb7, 0x30, 0x8f, 0x96, 0x88, 0x30, 0x30, + 0x30, 0x30, 0x30, 0x30, 0x30, 0x86, 0x42, 0x25, + 0x82, 0x98, 0x88, 0x34, 0x0c, 0x83, 0xd5, 0x1c, + 0x80, 0xd9, 0x03, 0x84, 0xaa, 0x80, 0xdd, 0x90, + 0x9f, 0xaf, 0x8f, 0x41, 0xff, 0x59, 0xbf, 0xbf, + 0x60, 0x51, 0xfc, 0x82, 0x44, 0x8c, 0xc2, 0xad, + 0x81, 0x41, 0x0c, 0x82, 0x8f, 0x89, 0x81, 0x93, + 0xae, 0x8f, 0x9e, 0x81, 0xcf, 0xa6, 0x88, 0x81, + 0xe6, 0x81, 0xb4, 0x81, 0x88, 0xa9, 0x8c, 0x02, + 0x03, 0x80, 0x96, 0x9c, 0xb3, 0x8d, 0xb1, 0xbd, + 0x2a, 0x00, 0x81, 0x8a, 0x9b, 0x89, 0x96, 0x98, + 0x9c, 0x86, 0xae, 0x9b, 0x80, 0x8f, 0x20, 0x89, + 0x89, 0x20, 0xa8, 0x96, 0x10, 0x87, 0x93, 0x96, + 0x10, 0x82, 0xb1, 0x00, 0x11, 0x0c, 0x08, 0x00, + 0x97, 0x11, 0x8a, 0x32, 0x8b, 0x29, 0x29, 0x85, + 0x88, 0x30, 0x30, 0xaa, 0x80, 0x8d, 0x85, 0xf2, + 0x9c, 0x60, 0x2b, 0xa3, 0x8b, 0x96, 0x83, 0xb0, + 0x60, 0x21, 0x03, 0x41, 0x6d, 0x81, 0xe9, 0xa5, + 0x86, 0x8b, 0x24, 0x00, 0x89, 0x80, 0x8c, 0x04, + 0x00, 0x01, 0x01, 0x80, 0xeb, 0xa0, 0x41, 0x6a, + 0x91, 0xbf, 0x81, 0xb5, 0xa7, 0x8b, 0xf3, 0x20, + 0x40, 0x86, 0xa3, 0x99, 0x85, 0x99, 0x8a, 0xd8, + 0x15, 0x0d, 0x0d, 0x0a, 0xa2, 0x8b, 0x80, 0x99, + 0x80, 0x92, 0x01, 0x80, 0x8e, 0x81, 0x8d, 0xa1, + 0xfa, 0xc4, 0xb4, 0x41, 0x0a, 0x9c, 0x82, 0xb0, + 0xae, 0x9f, 0x8c, 0x9d, 0x84, 0xa5, 0x89, 0x9d, + 0x81, 0xa3, 0x1f, 0x04, 0xa9, 0x40, 0x9d, 0x91, + 0xa3, 0x83, 0xa3, 0x83, 0xa7, 0x87, 0xb3, 0x40, + 0x9b, 0x41, 0x36, 0x88, 0x95, 0x89, 0x87, 0x40, + 0x97, 0x29, 0x00, 0xab, 0x01, 0x10, 0x81, 0x96, + 0x89, 0x96, 0x88, 0x9e, 0xc0, 0x92, 0x01, 0x89, + 0x95, 0x89, 0x99, 0xc5, 0xb7, 0x29, 0xbf, 0x80, + 0x8e, 0x18, 0x10, 0x9c, 0xa9, 0x9c, 0x82, 0x9c, + 0xa2, 0x38, 0x9b, 0x9a, 0xb5, 0x89, 0x95, 0x89, + 0x92, 0x8c, 0x91, 0xed, 0xc8, 0xb6, 0xb2, 0x8c, + 0xb2, 0x8c, 0xa3, 0x41, 0x5b, 0xa9, 0x29, 0xcd, + 0x9c, 0x89, 0x07, 0x95, 0xe9, 0x94, 0x9a, 0x96, + 0x8b, 0xb4, 0xca, 0xac, 0x9f, 0x98, 0x99, 0xa3, + 0x9c, 0x01, 0x07, 0xa2, 0x10, 0x8b, 0xaf, 0x8d, + 0x83, 0x94, 0x00, 0x80, 0xa2, 0x91, 0x80, 0x98, + 0xd3, 0x30, 0x00, 0x18, 0x8e, 0x80, 0x89, 0x86, + 0xae, 0xa5, 0x39, 0x09, 0x95, 0x06, 0x01, 0x04, + 0x10, 0x91, 0x80, 0x8b, 0x84, 0x40, 0x9d, 0xb4, + 0x91, 0x83, 0x93, 0x82, 0x9d, 0xaf, 0x93, 0x08, + 0x80, 0x40, 0xb7, 0xae, 0xa8, 0x83, 0xa3, 0xaf, + 0x93, 0x80, 0xba, 0xaa, 0x8c, 0x80, 0xc6, 0x9a, + 0x40, 0xe4, 0xab, 0xf3, 0xbf, 0x9e, 0x39, 0x01, + 0x38, 0x08, 0x97, 0x8e, 0x00, 0x80, 0xdd, 0x39, + 0xa6, 0x8f, 0x00, 0x80, 0x9b, 0x80, 0x89, 0xa7, + 0x30, 0x94, 0x80, 0x8a, 0xad, 0x92, 0x80, 0xa1, + 0xb8, 0x41, 0x06, 0x88, 0x80, 0xa4, 0x90, 0x80, + 0xb0, 0x9d, 0xef, 0x30, 0x08, 0xa5, 0x94, 0x80, + 0x98, 0x28, 0x08, 0x9f, 0x8d, 0x80, 0x41, 0x46, + 0x92, 0x40, 0xbc, 0x80, 0xce, 0x43, 0x99, 0xe5, + 0xee, 0x90, 0x40, 0xc3, 0x4a, 0xbb, 0x44, 0x2e, + 0x4f, 0xd0, 0x42, 0x46, 0x60, 0x21, 0xb8, 0x42, + 0x38, 0x86, 0x9e, 0xf0, 0x9d, 0x91, 0xaf, 0x8f, + 0x83, 0x9e, 0x94, 0x84, 0x92, 0x42, 0xaf, 0xbf, + 0xff, 0xca, 0x20, 0xc1, 0x8c, 0xbf, 0x08, 0x80, + 0x9b, 0x57, 0xf7, 0x87, 0x44, 0xd5, 0xa9, 0x88, + 0x60, 0x22, 0xf6, 0x41, 0x1e, 0xb0, 0x82, 0x90, + 0x1f, 0x41, 0x8b, 0x49, 0x03, 0xea, 0x84, 0x8c, + 0x82, 0x88, 0x86, 0x89, 0x57, 0x65, 0xd4, 0x80, + 0xc6, 0x01, 0x08, 0x09, 0x0b, 0x80, 0x8b, 0x00, + 0x06, 0x80, 0xc0, 0x03, 0x0f, 0x06, 0x80, 0x9b, + 0x03, 0x04, 0x00, 0x16, 0x80, 0x41, 0x53, 0x81, + 0x98, 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, 0x80, + 0x9e, 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, 0x80, + 0x9e, 0x80, 0x98, 0x07, 0x49, 0x33, 0xac, 0x89, + 0x86, 0x8f, 0x80, 0x41, 0x70, 0xab, 0x45, 0x13, + 0x40, 0xc4, 0xba, 0xc3, 0x30, 0x44, 0xb3, 0x18, + 0x9a, 0x01, 0x00, 0x08, 0x80, 0x89, 0x03, 0x00, + 0x00, 0x28, 0x18, 0x00, 0x00, 0x02, 0x01, 0x00, + 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x0b, + 0x06, 0x03, 0x03, 0x00, 0x80, 0x89, 0x80, 0x90, + 0x22, 0x04, 0x80, 0x90, 0x51, 0x43, 0x60, 0xa6, + 0xdd, 0xa1, 0x50, 0x34, 0x8a, 0x40, 0xdd, 0x81, + 0x56, 0x81, 0x8d, 0x5d, 0x30, 0x4c, 0x1e, 0x42, + 0x1d, 0x45, 0xe1, 0x53, 0x4a, +}; + +static const uint8_t unicode_prop_ID_Start_index[99] = { + 0xf6, 0x03, 0x20, 0xa6, 0x07, 0x00, 0xa9, 0x09, + 0x00, 0xb4, 0x0a, 0x00, 0xba, 0x0b, 0x00, 0x3e, + 0x0d, 0x00, 0xe0, 0x0e, 0x20, 0x57, 0x12, 0x00, + 0xeb, 0x16, 0x00, 0xca, 0x19, 0x20, 0xc0, 0x1d, + 0x60, 0x80, 0x20, 0x00, 0x2e, 0x2d, 0x00, 0xc0, + 0x31, 0x20, 0x89, 0xa7, 0x20, 0xf0, 0xa9, 0x00, + 0xe3, 0xab, 0x00, 0x3e, 0xfd, 0x00, 0xfb, 0x00, + 0x21, 0x37, 0x07, 0x61, 0x01, 0x0a, 0x01, 0x1d, + 0x0f, 0x21, 0x2c, 0x12, 0x01, 0xc8, 0x14, 0x21, + 0xd1, 0x19, 0x21, 0x47, 0x1d, 0x01, 0x39, 0x6a, + 0x21, 0x09, 0x8d, 0x01, 0xbc, 0xd4, 0x01, 0xa9, + 0xd7, 0x21, 0x3a, 0xee, 0x01, 0xde, 0xa6, 0x22, + 0x4b, 0x13, 0x03, +}; + +static const uint8_t unicode_prop_ID_Continue1_table[626] = { + 0xaf, 0x89, 0xa4, 0x80, 0xd6, 0x80, 0x42, 0x47, + 0xef, 0x96, 0x80, 0x40, 0xfa, 0x84, 0x41, 0x08, + 0xac, 0x00, 0x01, 0x01, 0x00, 0xc7, 0x8a, 0xaf, + 0x9e, 0x28, 0xe4, 0x31, 0x29, 0x08, 0x19, 0x89, + 0x96, 0x80, 0x9d, 0x9a, 0xda, 0x8a, 0x8e, 0x89, + 0xa0, 0x88, 0x88, 0x80, 0x97, 0x18, 0x88, 0x02, + 0x04, 0xaa, 0x82, 0xf6, 0x8e, 0x80, 0xa0, 0xb5, + 0x10, 0x91, 0x06, 0x89, 0x09, 0x89, 0x90, 0x82, + 0xb7, 0x00, 0x31, 0x09, 0x82, 0x88, 0x80, 0x89, + 0x09, 0x89, 0x8d, 0x01, 0x82, 0xb7, 0x00, 0x23, + 0x09, 0x12, 0x80, 0x93, 0x8b, 0x10, 0x8a, 0x82, + 0xb7, 0x00, 0x38, 0x10, 0x82, 0x93, 0x09, 0x89, + 0x89, 0x28, 0x82, 0xb7, 0x00, 0x31, 0x09, 0x16, + 0x82, 0x89, 0x09, 0x89, 0x91, 0x80, 0xba, 0x22, + 0x10, 0x83, 0x88, 0x80, 0x8d, 0x89, 0x8f, 0x84, + 0xb8, 0x30, 0x10, 0x1e, 0x81, 0x8a, 0x09, 0x89, + 0x90, 0x82, 0xb7, 0x00, 0x30, 0x10, 0x1e, 0x81, + 0x8a, 0x09, 0x89, 0x8f, 0x83, 0xb6, 0x08, 0x30, + 0x10, 0x83, 0x88, 0x80, 0x89, 0x09, 0x89, 0x90, + 0x82, 0xc5, 0x03, 0x28, 0x00, 0x3d, 0x89, 0x09, + 0xbc, 0x01, 0x86, 0x8b, 0x38, 0x89, 0xd6, 0x01, + 0x88, 0x8a, 0x29, 0x89, 0xbd, 0x0d, 0x89, 0x8a, + 0x00, 0x00, 0x03, 0x81, 0xb0, 0x93, 0x01, 0x84, + 0x8a, 0x80, 0xa3, 0x88, 0x80, 0xe3, 0x93, 0x80, + 0x89, 0x8b, 0x1b, 0x10, 0x11, 0x32, 0x83, 0x8c, + 0x8b, 0x80, 0x8e, 0x42, 0xbe, 0x82, 0x88, 0x88, + 0x43, 0x9f, 0x82, 0x9c, 0x82, 0x9c, 0x81, 0x9d, + 0x81, 0xbf, 0x9f, 0x88, 0x01, 0x89, 0xa0, 0x11, + 0x89, 0x40, 0x8e, 0x80, 0xf5, 0x8b, 0x83, 0x8b, + 0x89, 0x89, 0xff, 0x8a, 0xbb, 0x84, 0xb8, 0x89, + 0x80, 0x9c, 0x81, 0x8a, 0x85, 0x89, 0x95, 0x8d, + 0x01, 0xbe, 0x84, 0xae, 0x90, 0x8a, 0x89, 0x90, + 0x88, 0x8b, 0x82, 0x9d, 0x8c, 0x81, 0x89, 0xab, + 0x8d, 0xaf, 0x93, 0x87, 0x89, 0x85, 0x89, 0xf5, + 0x10, 0x94, 0x18, 0x28, 0x0a, 0x40, 0xc5, 0xb9, + 0x04, 0x42, 0x3e, 0x81, 0x92, 0x80, 0xfa, 0x8c, + 0x18, 0x82, 0x8b, 0x4b, 0xfd, 0x82, 0x40, 0x8c, + 0x80, 0xdf, 0x9f, 0x42, 0x29, 0x85, 0xe8, 0x81, + 0x60, 0x75, 0x84, 0x89, 0xc4, 0x03, 0x89, 0x9f, + 0x81, 0xcf, 0x81, 0x41, 0x0f, 0x02, 0x03, 0x80, + 0x96, 0x23, 0x80, 0xd2, 0x81, 0xb1, 0x91, 0x89, + 0x89, 0x85, 0x91, 0x8c, 0x8a, 0x9b, 0x87, 0x98, + 0x8c, 0xab, 0x83, 0xae, 0x8d, 0x8e, 0x89, 0x8a, + 0x80, 0x89, 0x89, 0xae, 0x8d, 0x8b, 0x07, 0x09, + 0x89, 0xa0, 0x82, 0xb1, 0x00, 0x11, 0x0c, 0x08, + 0x80, 0xa8, 0x24, 0x81, 0x40, 0xeb, 0x38, 0x09, + 0x89, 0x60, 0x4f, 0x23, 0x80, 0x42, 0xe0, 0x8f, + 0x8f, 0x8f, 0x11, 0x97, 0x82, 0x40, 0xbf, 0x89, + 0xa4, 0x80, 0x42, 0xbc, 0x80, 0x40, 0xe1, 0x80, + 0x40, 0x94, 0x84, 0x41, 0x24, 0x89, 0x45, 0x56, + 0x10, 0x0c, 0x83, 0xa7, 0x13, 0x80, 0x40, 0xa4, + 0x81, 0x42, 0x3c, 0x1f, 0x89, 0x41, 0x70, 0x81, + 0x40, 0x98, 0x8a, 0x40, 0xae, 0x82, 0xb4, 0x8e, + 0x9e, 0x89, 0x8e, 0x83, 0xac, 0x8a, 0xb4, 0x89, + 0x2a, 0xa3, 0x8d, 0x80, 0x89, 0x21, 0xab, 0x80, + 0x8b, 0x82, 0xaf, 0x8d, 0x3b, 0x80, 0x8b, 0xd1, + 0x8b, 0x28, 0x40, 0x9f, 0x8b, 0x84, 0x89, 0x2b, + 0xb6, 0x08, 0x31, 0x09, 0x82, 0x88, 0x80, 0x89, + 0x09, 0x32, 0x84, 0x40, 0xbf, 0x91, 0x88, 0x89, + 0x18, 0xd0, 0x93, 0x8b, 0x89, 0x40, 0xd4, 0x31, + 0x88, 0x9a, 0x81, 0xd1, 0x90, 0x8e, 0x89, 0xd0, + 0x8c, 0x87, 0x89, 0xd2, 0x8e, 0x83, 0x89, 0x40, + 0xf1, 0x8e, 0x40, 0xa4, 0x89, 0xc5, 0x28, 0x09, + 0x18, 0x00, 0x81, 0x8b, 0x89, 0xf6, 0x31, 0x32, + 0x80, 0x9b, 0x89, 0xa7, 0x30, 0x1f, 0x80, 0x88, + 0x8a, 0xad, 0x8f, 0x41, 0x94, 0x38, 0x87, 0x8f, + 0x89, 0xb7, 0x95, 0x80, 0x8d, 0xf9, 0x2a, 0x00, + 0x08, 0x30, 0x07, 0x89, 0xaf, 0x20, 0x08, 0x27, + 0x89, 0x41, 0x48, 0x83, 0x60, 0x4b, 0x68, 0x89, + 0x40, 0x85, 0x84, 0xba, 0x86, 0x98, 0x89, 0x43, + 0xf4, 0x00, 0xb6, 0x33, 0xd0, 0x80, 0x8a, 0x81, + 0x60, 0x4c, 0xaa, 0x81, 0x54, 0xc5, 0x22, 0x2f, + 0x39, 0x86, 0x9d, 0x83, 0x40, 0x93, 0x82, 0x45, + 0x88, 0xb1, 0x41, 0xff, 0xb6, 0x83, 0xb1, 0x38, + 0x8d, 0x80, 0x95, 0x20, 0x8e, 0x45, 0x4f, 0x30, + 0x90, 0x0e, 0x01, 0x04, 0x41, 0x04, 0x86, 0x88, + 0x89, 0x41, 0xa1, 0x8d, 0x45, 0xd5, 0x86, 0xec, + 0x34, 0x89, 0x52, 0x95, 0x89, 0x6c, 0x05, 0x05, + 0x40, 0xef, +}; + +static const uint8_t unicode_prop_ID_Continue1_index[60] = { + 0xfa, 0x06, 0x00, 0x84, 0x09, 0x00, 0xf0, 0x0a, + 0x00, 0x70, 0x0c, 0x00, 0xf4, 0x0d, 0x00, 0x4a, + 0x10, 0x20, 0x1a, 0x18, 0x20, 0x74, 0x1b, 0x20, + 0xdd, 0x20, 0x00, 0x0c, 0xa8, 0x00, 0x5a, 0xaa, + 0x20, 0x1a, 0xff, 0x00, 0xad, 0x0e, 0x01, 0x38, + 0x12, 0x21, 0xc1, 0x15, 0x21, 0xe5, 0x19, 0x21, + 0xaa, 0x1d, 0x21, 0x8c, 0xd1, 0x41, 0x4a, 0xe1, + 0x21, 0xf0, 0x01, 0x0e, +}; + +#ifdef CONFIG_ALL_UNICODE + +static const uint8_t unicode_cc_table[851] = { + 0xb2, 0xcf, 0xd4, 0x00, 0xe8, 0x03, 0xdc, 0x00, + 0xe8, 0x00, 0xd8, 0x04, 0xdc, 0x01, 0xca, 0x03, + 0xdc, 0x01, 0xca, 0x0a, 0xdc, 0x04, 0x01, 0x03, + 0xdc, 0xc7, 0x00, 0xf0, 0xc0, 0x02, 0xdc, 0xc2, + 0x01, 0xdc, 0x80, 0xc2, 0x03, 0xdc, 0xc0, 0x00, + 0xe8, 0x01, 0xdc, 0xc0, 0x41, 0xe9, 0x00, 0xea, + 0x41, 0xe9, 0x00, 0xea, 0x00, 0xe9, 0xcc, 0xb0, + 0xe2, 0xc4, 0xb0, 0xd8, 0x00, 0xdc, 0xc3, 0x00, + 0xdc, 0xc2, 0x00, 0xde, 0x00, 0xdc, 0xc5, 0x05, + 0xdc, 0xc1, 0x00, 0xdc, 0xc1, 0x00, 0xde, 0x00, + 0xe4, 0xc0, 0x49, 0x0a, 0x43, 0x13, 0x80, 0x00, + 0x17, 0x80, 0x41, 0x18, 0x80, 0xc0, 0x00, 0xdc, + 0x80, 0x00, 0x12, 0xb0, 0x17, 0xc7, 0x42, 0x1e, + 0xaf, 0x47, 0x1b, 0xc1, 0x01, 0xdc, 0xc4, 0x00, + 0xdc, 0xc1, 0x00, 0xdc, 0x8f, 0x00, 0x23, 0xb0, + 0x34, 0xc6, 0x81, 0xc3, 0x00, 0xdc, 0xc0, 0x81, + 0xc1, 0x80, 0x00, 0xdc, 0xc1, 0x00, 0xdc, 0xa2, + 0x00, 0x24, 0x9d, 0xc0, 0x00, 0xdc, 0xc1, 0x00, + 0xdc, 0xc1, 0x02, 0xdc, 0xc0, 0x01, 0xdc, 0xc0, + 0x00, 0xdc, 0xc2, 0x00, 0xdc, 0xc0, 0x00, 0xdc, + 0xc0, 0x00, 0xdc, 0xc0, 0x00, 0xdc, 0xc1, 0xb0, + 0x6f, 0xc6, 0x00, 0xdc, 0xc0, 0x88, 0x00, 0xdc, + 0x97, 0xc3, 0x80, 0xc8, 0x80, 0xc2, 0x80, 0xc4, + 0xaa, 0x02, 0xdc, 0xb0, 0x46, 0x00, 0xdc, 0xcd, + 0x80, 0x00, 0xdc, 0xc1, 0x00, 0xdc, 0xc1, 0x00, + 0xdc, 0xc2, 0x02, 0xdc, 0x42, 0x1b, 0xc2, 0x00, + 0xdc, 0xc1, 0x01, 0xdc, 0xc4, 0xb0, 0x0b, 0x00, + 0x07, 0x8f, 0x00, 0x09, 0x82, 0xc0, 0x00, 0xdc, + 0xc1, 0xb0, 0x36, 0x00, 0x07, 0x8f, 0x00, 0x09, + 0xaf, 0xc0, 0xb0, 0x0c, 0x00, 0x07, 0x8f, 0x00, + 0x09, 0xb0, 0x3d, 0x00, 0x07, 0x8f, 0x00, 0x09, + 0xb0, 0x3d, 0x00, 0x07, 0x8f, 0x00, 0x09, 0xb0, + 0x4e, 0x00, 0x09, 0xb0, 0x4e, 0x00, 0x09, 0x86, + 0x00, 0x54, 0x00, 0x5b, 0xb0, 0x34, 0x00, 0x07, + 0x8f, 0x00, 0x09, 0xb0, 0x3c, 0x01, 0x09, 0x8f, + 0x00, 0x09, 0xb0, 0x4b, 0x00, 0x09, 0xb0, 0x3c, + 0x01, 0x67, 0x00, 0x09, 0x8c, 0x03, 0x6b, 0xb0, + 0x3b, 0x01, 0x76, 0x00, 0x09, 0x8c, 0x03, 0x7a, + 0xb0, 0x1b, 0x01, 0xdc, 0x9a, 0x00, 0xdc, 0x80, + 0x00, 0xdc, 0x80, 0x00, 0xd8, 0xb0, 0x06, 0x41, + 0x81, 0x80, 0x00, 0x84, 0x84, 0x03, 0x82, 0x81, + 0x00, 0x82, 0x80, 0xc1, 0x00, 0x09, 0x80, 0xc1, + 0xb0, 0x0d, 0x00, 0xdc, 0xb0, 0x3f, 0x00, 0x07, + 0x80, 0x01, 0x09, 0xb0, 0x21, 0x00, 0xdc, 0xb2, + 0x9e, 0xc2, 0xb3, 0x83, 0x00, 0x09, 0x9e, 0x00, + 0x09, 0xb0, 0x6c, 0x00, 0x09, 0x89, 0xc0, 0xb0, + 0x9a, 0x00, 0xe4, 0xb0, 0x5e, 0x00, 0xde, 0xc0, + 0x00, 0xdc, 0xb0, 0xaa, 0xc0, 0x00, 0xdc, 0xb0, + 0x16, 0x00, 0x09, 0x93, 0xc7, 0x81, 0x00, 0xdc, + 0xaf, 0xc4, 0x05, 0xdc, 0xc1, 0x00, 0xdc, 0x80, + 0x01, 0xdc, 0xb0, 0x42, 0x00, 0x07, 0x8e, 0x00, + 0x09, 0xa5, 0xc0, 0x00, 0xdc, 0xc6, 0xb0, 0x05, + 0x01, 0x09, 0xb0, 0x09, 0x00, 0x07, 0x8a, 0x01, + 0x09, 0xb0, 0x12, 0x00, 0x07, 0xb0, 0x67, 0xc2, + 0x41, 0x00, 0x04, 0xdc, 0xc1, 0x03, 0xdc, 0xc0, + 0x41, 0x00, 0x05, 0x01, 0x83, 0x00, 0xdc, 0x85, + 0xc0, 0x82, 0xc1, 0xb0, 0x95, 0xc1, 0x00, 0xdc, + 0xc6, 0x00, 0xdc, 0xc1, 0x00, 0xea, 0x00, 0xd6, + 0x00, 0xdc, 0x00, 0xca, 0xe4, 0x00, 0xe8, 0x01, + 0xe4, 0x00, 0xdc, 0x80, 0xc0, 0x00, 0xe9, 0x00, + 0xdc, 0xc0, 0x00, 0xdc, 0xb2, 0x9f, 0xc1, 0x01, + 0x01, 0xc3, 0x02, 0x01, 0xc1, 0x83, 0xc0, 0x82, + 0x01, 0x01, 0xc0, 0x00, 0xdc, 0xc0, 0x01, 0x01, + 0x03, 0xdc, 0xc0, 0xb8, 0x03, 0xcd, 0xc2, 0xb0, + 0x5c, 0x00, 0x09, 0xb0, 0x2f, 0xdf, 0xb1, 0xf9, + 0x00, 0xda, 0x00, 0xe4, 0x00, 0xe8, 0x00, 0xde, + 0x01, 0xe0, 0xb0, 0x38, 0x01, 0x08, 0xb8, 0x6d, + 0xa3, 0xc0, 0x83, 0xc9, 0x9f, 0xc1, 0xb0, 0x1f, + 0xc1, 0xb0, 0xe3, 0x00, 0x09, 0xa4, 0x00, 0x09, + 0xb0, 0x66, 0x00, 0x09, 0x9a, 0xd1, 0xb0, 0x08, + 0x02, 0xdc, 0xa4, 0x00, 0x09, 0xb0, 0x2e, 0x00, + 0x07, 0x8b, 0x00, 0x09, 0xb0, 0xbe, 0xc0, 0x80, + 0xc1, 0x00, 0xdc, 0x81, 0xc1, 0x84, 0xc1, 0x80, + 0xc0, 0xb0, 0x03, 0x00, 0x09, 0xb0, 0xc5, 0x00, + 0x09, 0xb8, 0x46, 0xff, 0x00, 0x1a, 0xb2, 0xd0, + 0xc6, 0x06, 0xdc, 0xc1, 0xb3, 0x9c, 0x00, 0xdc, + 0xb0, 0xb1, 0x00, 0xdc, 0xb0, 0x64, 0xc4, 0xb6, + 0x61, 0x00, 0xdc, 0x80, 0xc0, 0xa7, 0xc0, 0x00, + 0x01, 0x00, 0xdc, 0x83, 0x00, 0x09, 0xb0, 0x74, + 0xc0, 0x00, 0xdc, 0xb2, 0x0c, 0xc3, 0xb1, 0x52, + 0xc1, 0xb0, 0x68, 0x01, 0xdc, 0xc2, 0x00, 0xdc, + 0xc0, 0x03, 0xdc, 0xb0, 0xc4, 0x00, 0x09, 0xb0, + 0x07, 0x00, 0x09, 0xb0, 0x08, 0x00, 0x09, 0x00, + 0x07, 0xb0, 0x14, 0xc2, 0xaf, 0x01, 0x09, 0xb0, + 0x0d, 0x00, 0x07, 0xb0, 0x1b, 0x00, 0x09, 0x88, + 0x00, 0x07, 0xb0, 0x39, 0x00, 0x09, 0x00, 0x07, + 0xb0, 0x81, 0x00, 0x07, 0x00, 0x09, 0xb0, 0x1f, + 0x01, 0x07, 0x8f, 0x00, 0x09, 0x97, 0xc6, 0x82, + 0xc4, 0xb0, 0x9c, 0x00, 0x09, 0x82, 0x00, 0x07, + 0x96, 0xc0, 0xb0, 0x32, 0x00, 0x09, 0x00, 0x07, + 0xb0, 0xca, 0x00, 0x09, 0x00, 0x07, 0xb0, 0x4d, + 0x00, 0x09, 0xb0, 0x45, 0x00, 0x09, 0x00, 0x07, + 0xb0, 0x42, 0x00, 0x09, 0xb0, 0xdc, 0x00, 0x09, + 0x00, 0x07, 0xb0, 0xd1, 0x01, 0x09, 0x83, 0x00, + 0x07, 0xb0, 0x6b, 0x00, 0x09, 0xb0, 0x22, 0x00, + 0x09, 0x91, 0x00, 0x09, 0xb0, 0x20, 0x00, 0x09, + 0xb1, 0x74, 0x00, 0x09, 0xb0, 0xd1, 0x00, 0x07, + 0x80, 0x01, 0x09, 0xb0, 0x20, 0x00, 0x09, 0xb8, + 0x45, 0x27, 0x04, 0x01, 0xb0, 0x0a, 0xc6, 0xb4, + 0x88, 0x01, 0x06, 0xb8, 0x44, 0x7b, 0x00, 0x01, + 0xb8, 0x0c, 0x95, 0x01, 0xd8, 0x02, 0x01, 0x82, + 0x00, 0xe2, 0x04, 0xd8, 0x87, 0x07, 0xdc, 0x81, + 0xc4, 0x01, 0xdc, 0x9d, 0xc3, 0xb0, 0x63, 0xc2, + 0xb8, 0x05, 0x8a, 0xc6, 0x80, 0xd0, 0x81, 0xc6, + 0x80, 0xc1, 0x80, 0xc4, 0xb0, 0xd4, 0xc6, 0xb1, + 0x84, 0xc3, 0xb5, 0xaf, 0x06, 0xdc, 0xb0, 0x3c, + 0xc5, 0x00, 0x07, +}; + +static const uint8_t unicode_cc_index[81] = { + 0x4d, 0x03, 0x00, 0x97, 0x05, 0x20, 0xc6, 0x05, + 0x00, 0xe7, 0x06, 0x00, 0x45, 0x07, 0x00, 0xe2, + 0x08, 0x00, 0x53, 0x09, 0x00, 0xcd, 0x0b, 0x20, + 0x38, 0x0e, 0x00, 0x73, 0x0f, 0x20, 0x5d, 0x13, + 0x20, 0x60, 0x1a, 0x20, 0xaa, 0x1b, 0x00, 0xf4, + 0x1c, 0x00, 0xfe, 0x1d, 0x20, 0x7f, 0x2d, 0x20, + 0xf0, 0xa6, 0x00, 0xb2, 0xaa, 0x00, 0xfe, 0x01, + 0x01, 0xab, 0x0e, 0x01, 0x73, 0x11, 0x21, 0x70, + 0x13, 0x01, 0xb8, 0x16, 0x01, 0x9a, 0x1a, 0x01, + 0x9f, 0xbc, 0x01, 0x22, 0xe0, 0x01, 0x4b, 0xe9, + 0x01, +}; + +static const uint32_t unicode_decomp_table1[690] = { + 0x00280081, 0x002a0097, 0x002a8081, 0x002bc097, + 0x002c8115, 0x002d0097, 0x002d4081, 0x002e0097, + 0x002e4115, 0x002f0199, 0x00302016, 0x00400842, + 0x00448a42, 0x004a0442, 0x004c0096, 0x004c8117, + 0x004d0242, 0x004e4342, 0x004fc12f, 0x0050c342, + 0x005240bf, 0x00530342, 0x00550942, 0x005a0842, + 0x005e0096, 0x005e4342, 0x005fc081, 0x00680142, + 0x006bc142, 0x00710185, 0x0071c317, 0x00734844, + 0x00778344, 0x00798342, 0x007b02be, 0x007c4197, + 0x007d0142, 0x007e0444, 0x00800e42, 0x00878142, + 0x00898744, 0x00ac0483, 0x00b60317, 0x00b80283, + 0x00d00214, 0x00d10096, 0x00dd0080, 0x00de8097, + 0x00df8080, 0x00e10097, 0x00e1413e, 0x00e1c080, + 0x00e204be, 0x00ea83ae, 0x00f282ae, 0x00f401ad, + 0x00f4c12e, 0x00f54103, 0x00fc0303, 0x00fe4081, + 0x0100023e, 0x0101c0be, 0x010301be, 0x010640be, + 0x010e40be, 0x0114023e, 0x0115c0be, 0x011701be, + 0x011d8144, 0x01304144, 0x01340244, 0x01358144, + 0x01368344, 0x01388344, 0x013a8644, 0x013e0144, + 0x0161c085, 0x018882ae, 0x019d422f, 0x01b00184, + 0x01b4c084, 0x024a4084, 0x024c4084, 0x024d0084, + 0x0256042e, 0x0272c12e, 0x02770120, 0x0277c084, + 0x028cc084, 0x028d8084, 0x029641ae, 0x02978084, + 0x02d20084, 0x02d2c12e, 0x02d70120, 0x02e50084, + 0x02f281ae, 0x03120084, 0x03300084, 0x0331c122, + 0x0332812e, 0x035281ae, 0x03768084, 0x037701ae, + 0x038cc085, 0x03acc085, 0x03b7012f, 0x03c30081, + 0x03d0c084, 0x03d34084, 0x03d48084, 0x03d5c084, + 0x03d70084, 0x03da4084, 0x03dcc084, 0x03dd412e, + 0x03ddc085, 0x03de0084, 0x03de4085, 0x03e04084, + 0x03e4c084, 0x03e74084, 0x03e88084, 0x03e9c084, + 0x03eb0084, 0x03ee4084, 0x04098084, 0x043f0081, + 0x06c18484, 0x06c48084, 0x06cec184, 0x06d00120, + 0x06d0c084, 0x074b0383, 0x074cc41f, 0x074f1783, + 0x075e0081, 0x0766d283, 0x07801d44, 0x078e8942, + 0x07931844, 0x079f0d42, 0x07a58216, 0x07a68085, + 0x07a6c0be, 0x07a80d44, 0x07aea044, 0x07c00122, + 0x07c08344, 0x07c20122, 0x07c28344, 0x07c40122, + 0x07c48244, 0x07c60122, 0x07c68244, 0x07c8113e, + 0x07d08244, 0x07d20122, 0x07d28244, 0x07d40122, + 0x07d48344, 0x07d64c3e, 0x07dc4080, 0x07dc80be, + 0x07dcc080, 0x07dd00be, 0x07dd4080, 0x07dd80be, + 0x07ddc080, 0x07de00be, 0x07de4080, 0x07de80be, + 0x07dec080, 0x07df00be, 0x07df4080, 0x07e00820, + 0x07e40820, 0x07e80820, 0x07ec05be, 0x07eec080, + 0x07ef00be, 0x07ef4097, 0x07ef8080, 0x07efc117, + 0x07f0443e, 0x07f24080, 0x07f280be, 0x07f2c080, + 0x07f303be, 0x07f4c080, 0x07f582ae, 0x07f6c080, + 0x07f7433e, 0x07f8c080, 0x07f903ae, 0x07fac080, + 0x07fb013e, 0x07fb8102, 0x07fc83be, 0x07fe4080, + 0x07fe80be, 0x07fec080, 0x07ff00be, 0x07ff4080, + 0x07ff8097, 0x0800011e, 0x08008495, 0x08044081, + 0x0805c097, 0x08090081, 0x08094097, 0x08098099, + 0x080bc081, 0x080cc085, 0x080d00b1, 0x080d8085, + 0x080dc0b1, 0x080f0197, 0x0811c197, 0x0815c0b3, + 0x0817c081, 0x081c0595, 0x081ec081, 0x081f0215, + 0x0820051f, 0x08228583, 0x08254415, 0x082a0097, + 0x08400119, 0x08408081, 0x0840c0bf, 0x08414119, + 0x0841c081, 0x084240bf, 0x0842852d, 0x08454081, + 0x08458097, 0x08464295, 0x08480097, 0x08484099, + 0x08488097, 0x08490081, 0x08498080, 0x084a0081, + 0x084a8102, 0x084b0495, 0x084d421f, 0x084e4081, + 0x084ec099, 0x084f0283, 0x08514295, 0x08540119, + 0x0854809b, 0x0854c619, 0x0857c097, 0x08580081, + 0x08584097, 0x08588099, 0x0858c097, 0x08590081, + 0x08594097, 0x08598099, 0x0859c09b, 0x085a0097, + 0x085a4081, 0x085a8097, 0x085ac099, 0x085b0295, + 0x085c4097, 0x085c8099, 0x085cc097, 0x085d0081, + 0x085d4097, 0x085d8099, 0x085dc09b, 0x085e0097, + 0x085e4081, 0x085e8097, 0x085ec099, 0x085f0215, + 0x08624099, 0x0866813e, 0x086b80be, 0x087341be, + 0x088100be, 0x088240be, 0x088300be, 0x088901be, + 0x088b0085, 0x088b40b1, 0x088bc085, 0x088c00b1, + 0x089040be, 0x089100be, 0x0891c1be, 0x089801be, + 0x089b42be, 0x089d0144, 0x089e0144, 0x08a00144, + 0x08a10144, 0x08a20144, 0x08ab023e, 0x08b80244, + 0x08ba8220, 0x08ca411e, 0x0918049f, 0x091a4523, + 0x091cc097, 0x091d04a5, 0x091f452b, 0x0921c09b, + 0x092204a1, 0x09244525, 0x0926c099, 0x09270d25, + 0x092d8d1f, 0x09340d1f, 0x093a8081, 0x0a8300b3, + 0x0a9d0099, 0x0a9d4097, 0x0a9d8099, 0x0ab700be, + 0x0b1f0115, 0x0b5bc081, 0x0ba7c081, 0x0bbcc081, + 0x0bc004ad, 0x0bc244ad, 0x0bc484ad, 0x0bc6f383, + 0x0be0852d, 0x0be31d03, 0x0bf1882d, 0x0c000081, + 0x0c0d8283, 0x0c130b84, 0x0c194284, 0x0c1c0122, + 0x0c1cc122, 0x0c1d8122, 0x0c1e4122, 0x0c1f0122, + 0x0c250084, 0x0c26c123, 0x0c278084, 0x0c27c085, + 0x0c2b0b84, 0x0c314284, 0x0c340122, 0x0c34c122, + 0x0c358122, 0x0c364122, 0x0c370122, 0x0c3d0084, + 0x0c3dc220, 0x0c3f8084, 0x0c3fc085, 0x0c4c4a2d, + 0x0c51451f, 0x0c53ca9f, 0x0c5915ad, 0x0c648703, + 0x0c800741, 0x0c838089, 0x0c83c129, 0x0c8441a9, + 0x0c850089, 0x0c854129, 0x0c85c2a9, 0x0c870089, + 0x0c87408f, 0x0c87808d, 0x0c881241, 0x0c910203, + 0x0c940099, 0x0c9444a3, 0x0c968323, 0x0c98072d, + 0x0c9b84af, 0x0c9dc2a1, 0x0c9f00b5, 0x0c9f40b3, + 0x0c9f8085, 0x0ca01883, 0x0cac4223, 0x0cad4523, + 0x0cafc097, 0x0cb004a1, 0x0cb241a5, 0x0cb30097, + 0x0cb34099, 0x0cb38097, 0x0cb3c099, 0x0cb417ad, + 0x0cbfc085, 0x0cc001b3, 0x0cc0c0b1, 0x0cc100b3, + 0x0cc14131, 0x0cc1c0b5, 0x0cc200b3, 0x0cc241b1, + 0x0cc30133, 0x0cc38131, 0x0cc40085, 0x0cc440b1, + 0x0cc48133, 0x0cc50085, 0x0cc540b5, 0x0cc580b7, + 0x0cc5c0b5, 0x0cc600b1, 0x0cc64135, 0x0cc6c0b3, + 0x0cc701b1, 0x0cc7c0b3, 0x0cc800b5, 0x0cc840b3, + 0x0cc881b1, 0x0cc9422f, 0x0cca4131, 0x0ccac0b5, + 0x0ccb00b1, 0x0ccb40b3, 0x0ccb80b5, 0x0ccbc0b1, + 0x0ccc012f, 0x0ccc80b5, 0x0cccc0b3, 0x0ccd00b5, + 0x0ccd40b1, 0x0ccd80b5, 0x0ccdc085, 0x0cce02b1, + 0x0ccf40b3, 0x0ccf80b1, 0x0ccfc085, 0x0cd001b1, + 0x0cd0c0b3, 0x0cd101b1, 0x0cd1c0b5, 0x0cd200b3, + 0x0cd24085, 0x0cd280b5, 0x0cd2c085, 0x0cd30133, + 0x0cd381b1, 0x0cd440b3, 0x0cd48085, 0x0cd4c0b1, + 0x0cd500b3, 0x0cd54085, 0x0cd580b5, 0x0cd5c0b1, + 0x0cd60521, 0x0cd88525, 0x0cdb02a5, 0x0cdc4099, + 0x0cdc8117, 0x0cdd0099, 0x0cdd4197, 0x0cde0127, + 0x0cde8285, 0x0cdfc089, 0x0ce0043f, 0x0ce20099, + 0x0ce2409b, 0x0ce283bf, 0x0ce44219, 0x0ce54205, + 0x0ce6433f, 0x0ce7c131, 0x0ce84085, 0x0ce881b1, + 0x0ce94085, 0x0ce98107, 0x0cea0089, 0x0cea4097, + 0x0cea8219, 0x0ceb809d, 0x0cebc08d, 0x0cec083f, + 0x0cf00105, 0x0cf0809b, 0x0cf0c197, 0x0cf1809b, + 0x0cf1c099, 0x0cf20517, 0x0cf48099, 0x0cf4c117, + 0x0cf54119, 0x0cf5c097, 0x0cf6009b, 0x0cf64099, + 0x0cf68217, 0x0cf78119, 0x0cf804a1, 0x0cfa4525, + 0x0cfcc525, 0x0cff4125, 0x0cffc099, 0x29a70103, + 0x29dc0081, 0x29fe0103, 0x2ad70203, 0x2ada4081, + 0x3e401482, 0x3e4a7f82, 0x3e6a3f82, 0x3e8aa102, + 0x3e9b0110, 0x3e9c2f82, 0x3eb3c590, 0x3ec00197, + 0x3ec0c119, 0x3ec1413f, 0x3ec4c2af, 0x3ec74184, + 0x3ec804ad, 0x3eca4081, 0x3eca8304, 0x3ecc03a0, + 0x3ece02a0, 0x3ecf8084, 0x3ed00120, 0x3ed0c120, + 0x3ed184ae, 0x3ed3c085, 0x3ed4312d, 0x3ef4cbad, + 0x3efa892f, 0x3eff022d, 0x3f002f2f, 0x3f1782a5, + 0x3f18c0b1, 0x3f1907af, 0x3f1cffaf, 0x3f3c81a5, + 0x3f3d64af, 0x3f542031, 0x3f649b31, 0x3f7c0131, + 0x3f7c83b3, 0x3f7e40b1, 0x3f7e80bd, 0x3f7ec0bb, + 0x3f7f00b3, 0x3f840503, 0x3f8c01ad, 0x3f8cc315, + 0x3f8e462d, 0x3f91cc03, 0x3f97c695, 0x3f9c01af, + 0x3f9d0085, 0x3f9d852f, 0x3fa03aad, 0x3fbd442f, + 0x3fc06f1f, 0x3fd7c11f, 0x3fd85fad, 0x3fe80081, + 0x3fe84f1f, 0x3ff0831f, 0x3ff2831f, 0x3ff4831f, + 0x3ff6819f, 0x3ff80783, 0x44268192, 0x442ac092, + 0x444b8112, 0x44d2c112, 0x452ec212, 0x456e8112, + 0x464e0092, 0x74578392, 0x746ec312, 0x75000d1f, + 0x75068d1f, 0x750d0d1f, 0x7513839f, 0x7515891f, + 0x751a0d1f, 0x75208d1f, 0x75271015, 0x752f439f, + 0x7531459f, 0x75340d1f, 0x753a8d1f, 0x75410395, + 0x7543441f, 0x7545839f, 0x75478d1f, 0x754e0795, + 0x7552839f, 0x75548d1f, 0x755b0d1f, 0x75618d1f, + 0x75680d1f, 0x756e8d1f, 0x75750d1f, 0x757b8d1f, + 0x75820d1f, 0x75888d1f, 0x758f0d1f, 0x75958d1f, + 0x759c0d1f, 0x75a28d1f, 0x75a90103, 0x75aa089f, + 0x75ae4081, 0x75ae839f, 0x75b04081, 0x75b08c9f, + 0x75b6c081, 0x75b7032d, 0x75b8889f, 0x75bcc081, + 0x75bd039f, 0x75bec081, 0x75bf0c9f, 0x75c54081, + 0x75c5832d, 0x75c7089f, 0x75cb4081, 0x75cb839f, + 0x75cd4081, 0x75cd8c9f, 0x75d3c081, 0x75d4032d, + 0x75d5889f, 0x75d9c081, 0x75da039f, 0x75dbc081, + 0x75dc0c9f, 0x75e24081, 0x75e2832d, 0x75e4089f, + 0x75e84081, 0x75e8839f, 0x75ea4081, 0x75ea8c9f, + 0x75f0c081, 0x75f1042d, 0x75f3851f, 0x75f6051f, + 0x75f8851f, 0x75fb051f, 0x75fd851f, 0x7b80022d, + 0x7b814dad, 0x7b884203, 0x7b89c081, 0x7b8a452d, + 0x7b8d0403, 0x7b908081, 0x7b91dc03, 0x7ba0052d, + 0x7ba2c8ad, 0x7ba84483, 0x7baac8ad, 0x7c400097, + 0x7c404521, 0x7c440d25, 0x7c4a8087, 0x7c4ac115, + 0x7c4b4117, 0x7c4c0d1f, 0x7c528217, 0x7c538099, + 0x7c53c097, 0x7c5a8197, 0x7c640097, 0x7c80012f, + 0x7c808081, 0x7c841603, 0x7c9004c1, 0x7c940103, + 0x7efc051f, 0xbe0001ac, 0xbe00d110, 0xbe0947ac, + 0xbe0d3910, 0xbe29872c, 0xbe2d022c, 0xbe2e3790, + 0xbe49ff90, 0xbe69bc10, +}; + +static const uint16_t unicode_decomp_table2[690] = { + 0x0020, 0x0000, 0x0061, 0x0002, 0x0004, 0x0006, 0x03bc, 0x0008, + 0x000a, 0x000c, 0x0015, 0x0095, 0x00a5, 0x00b9, 0x00c1, 0x00c3, + 0x00c7, 0x00cb, 0x00d1, 0x00d7, 0x00dd, 0x00e0, 0x00e6, 0x00f8, + 0x0108, 0x010a, 0x0073, 0x0110, 0x0112, 0x0114, 0x0120, 0x012c, + 0x0144, 0x014d, 0x0153, 0x0162, 0x0168, 0x016a, 0x0176, 0x0192, + 0x0194, 0x01a9, 0x01bb, 0x01c7, 0x01d1, 0x01d5, 0x02b9, 0x01d7, + 0x003b, 0x01d9, 0x01db, 0x00b7, 0x01e1, 0x01fc, 0x020c, 0x0218, + 0x021d, 0x0223, 0x0227, 0x03a3, 0x0233, 0x023f, 0x0242, 0x024b, + 0x024e, 0x0251, 0x025d, 0x0260, 0x0269, 0x026c, 0x026f, 0x0275, + 0x0278, 0x0281, 0x028a, 0x029c, 0x029f, 0x02a3, 0x02af, 0x02b9, + 0x02c5, 0x02c9, 0x02cd, 0x02d1, 0x02d5, 0x02e7, 0x02ed, 0x02f1, + 0x02f5, 0x02f9, 0x02fd, 0x0305, 0x0309, 0x030d, 0x0313, 0x0317, + 0x031b, 0x0323, 0x0327, 0x032b, 0x032f, 0x0335, 0x033d, 0x0341, + 0x0349, 0x034d, 0x0351, 0x0f0b, 0x0357, 0x035b, 0x035f, 0x0363, + 0x0367, 0x036b, 0x036f, 0x0373, 0x0379, 0x037d, 0x0381, 0x0385, + 0x0389, 0x038d, 0x0391, 0x0395, 0x0399, 0x039d, 0x03a1, 0x10dc, + 0x03a5, 0x03c9, 0x03cd, 0x03d9, 0x03dd, 0x03e1, 0x03ef, 0x03f1, + 0x043d, 0x044f, 0x0499, 0x04f0, 0x0502, 0x054a, 0x0564, 0x056c, + 0x0570, 0x0573, 0x059a, 0x05fa, 0x05fe, 0x0607, 0x060b, 0x0614, + 0x0618, 0x061e, 0x0622, 0x0628, 0x068e, 0x0694, 0x0698, 0x069e, + 0x06a2, 0x06ab, 0x03ac, 0x06f3, 0x03ad, 0x06f6, 0x03ae, 0x06f9, + 0x03af, 0x06fc, 0x03cc, 0x06ff, 0x03cd, 0x0702, 0x03ce, 0x0705, + 0x0709, 0x070d, 0x0711, 0x0386, 0x0732, 0x0735, 0x03b9, 0x0737, + 0x073b, 0x0388, 0x0753, 0x0389, 0x0756, 0x0390, 0x076b, 0x038a, + 0x0777, 0x03b0, 0x0789, 0x038e, 0x0799, 0x079f, 0x07a3, 0x038c, + 0x07b8, 0x038f, 0x07bb, 0x00b4, 0x07be, 0x07c0, 0x07c2, 0x2010, + 0x07cb, 0x002e, 0x07cd, 0x07cf, 0x0020, 0x07d2, 0x07d6, 0x07db, + 0x07df, 0x07e4, 0x07ea, 0x07f0, 0x0020, 0x07f6, 0x2212, 0x0801, + 0x0805, 0x0807, 0x081d, 0x0825, 0x0827, 0x0043, 0x082d, 0x0830, + 0x0190, 0x0836, 0x0839, 0x004e, 0x0845, 0x0847, 0x084c, 0x084e, + 0x0851, 0x005a, 0x03a9, 0x005a, 0x0853, 0x0857, 0x0860, 0x0069, + 0x0862, 0x0865, 0x086f, 0x0874, 0x087a, 0x087e, 0x08a2, 0x0049, + 0x08a4, 0x08a6, 0x08a9, 0x0056, 0x08ab, 0x08ad, 0x08b0, 0x08b4, + 0x0058, 0x08b6, 0x08b8, 0x08bb, 0x08c0, 0x08c2, 0x08c5, 0x0076, + 0x08c7, 0x08c9, 0x08cc, 0x08d0, 0x0078, 0x08d2, 0x08d4, 0x08d7, + 0x08db, 0x08de, 0x08e4, 0x08e7, 0x08f0, 0x08f3, 0x08f6, 0x08f9, + 0x0902, 0x0906, 0x090b, 0x090f, 0x0914, 0x0917, 0x091a, 0x0923, + 0x092c, 0x093b, 0x093e, 0x0941, 0x0944, 0x0947, 0x094a, 0x0956, + 0x095c, 0x0960, 0x0962, 0x0964, 0x0968, 0x096a, 0x0970, 0x0978, + 0x097c, 0x0980, 0x0986, 0x0989, 0x098f, 0x0991, 0x0030, 0x0993, + 0x0999, 0x099c, 0x099e, 0x09a1, 0x09a4, 0x2d61, 0x6bcd, 0x9f9f, + 0x09a6, 0x09b1, 0x09bc, 0x09c7, 0x0a95, 0x0aa1, 0x0b15, 0x0020, + 0x0b27, 0x0b31, 0x0b8d, 0x0ba1, 0x0ba5, 0x0ba9, 0x0bad, 0x0bb1, + 0x0bb5, 0x0bb9, 0x0bbd, 0x0bc1, 0x0bc5, 0x0c21, 0x0c35, 0x0c39, + 0x0c3d, 0x0c41, 0x0c45, 0x0c49, 0x0c4d, 0x0c51, 0x0c55, 0x0c59, + 0x0c6f, 0x0c71, 0x0c73, 0x0ca0, 0x0cbc, 0x0cdc, 0x0ce4, 0x0cec, + 0x0cf4, 0x0cfc, 0x0d04, 0x0d0c, 0x0d14, 0x0d22, 0x0d2e, 0x0d7a, + 0x0d82, 0x0d85, 0x0d89, 0x0d8d, 0x0d9d, 0x0db1, 0x0db5, 0x0dbc, + 0x0dc2, 0x0dc6, 0x0e28, 0x0e2c, 0x0e30, 0x0e32, 0x0e36, 0x0e3c, + 0x0e3e, 0x0e41, 0x0e43, 0x0e46, 0x0e77, 0x0e7b, 0x0e89, 0x0e8e, + 0x0e94, 0x0e9c, 0x0ea3, 0x0ea9, 0x0eb4, 0x0ebe, 0x0ec6, 0x0eca, + 0x0ecf, 0x0ed9, 0x0edd, 0x0ee4, 0x0eec, 0x0ef3, 0x0ef8, 0x0f04, + 0x0f0a, 0x0f15, 0x0f1b, 0x0f22, 0x0f28, 0x0f33, 0x0f3d, 0x0f45, + 0x0f4c, 0x0f51, 0x0f57, 0x0f5e, 0x0f63, 0x0f69, 0x0f70, 0x0f76, + 0x0f7d, 0x0f82, 0x0f89, 0x0f8d, 0x0f9e, 0x0fa4, 0x0fa9, 0x0fad, + 0x0fb8, 0x0fbe, 0x0fc9, 0x0fd0, 0x0fd6, 0x0fda, 0x0fe1, 0x0fe5, + 0x0fef, 0x0ffa, 0x1000, 0x1004, 0x1009, 0x100f, 0x1013, 0x101a, + 0x101f, 0x1023, 0x1029, 0x102f, 0x1032, 0x1036, 0x1039, 0x103f, + 0x1045, 0x1059, 0x1061, 0x1079, 0x107c, 0x1080, 0x1095, 0x10a1, + 0x10b1, 0x10c3, 0x10cb, 0x10cf, 0x10da, 0x10de, 0x10ea, 0x10f2, + 0x10f4, 0x1100, 0x1105, 0x1111, 0x1141, 0x1149, 0x114d, 0x1153, + 0x1157, 0x115a, 0x116e, 0x1171, 0x1175, 0x117b, 0x117d, 0x1181, + 0x1184, 0x118c, 0x1192, 0x1196, 0x119c, 0x11a2, 0x11a8, 0x11ab, + 0xa76f, 0x11af, 0x11b3, 0x028d, 0x11bb, 0x120d, 0x130b, 0x1409, + 0x148d, 0x1492, 0x1550, 0x1569, 0x156f, 0x1575, 0x157b, 0x1587, + 0x1593, 0x002b, 0x159e, 0x15b6, 0x15ba, 0x15be, 0x15c2, 0x15c6, + 0x15ca, 0x15de, 0x15e2, 0x1646, 0x165f, 0x1685, 0x168b, 0x1749, + 0x174f, 0x1754, 0x1774, 0x1874, 0x187a, 0x190e, 0x19d0, 0x1a74, + 0x1a7c, 0x1a9a, 0x1a9f, 0x1ab3, 0x1abd, 0x1ac3, 0x1ad7, 0x1adc, + 0x1ae2, 0x1af0, 0x1b20, 0x1b2d, 0x1b35, 0x1b39, 0x1b4f, 0x1bc6, + 0x1bd8, 0x1bda, 0x1bdc, 0x3164, 0x1c1d, 0x1c1f, 0x1c21, 0x1c23, + 0x1c25, 0x1c27, 0x1c45, 0x1c53, 0x1c58, 0x1c61, 0x1c6a, 0x1c7c, + 0x1c85, 0x1c8a, 0x1caa, 0x1cc5, 0x1cc7, 0x1cc9, 0x1ccb, 0x1ccd, + 0x1ccf, 0x1cd1, 0x1cd3, 0x1cf3, 0x1cf5, 0x1cf7, 0x1cf9, 0x1cfb, + 0x1d02, 0x1d04, 0x1d06, 0x1d08, 0x1d17, 0x1d19, 0x1d1b, 0x1d1d, + 0x1d1f, 0x1d21, 0x1d23, 0x1d25, 0x1d27, 0x1d29, 0x1d2b, 0x1d2d, + 0x1d2f, 0x1d31, 0x1d33, 0x1d37, 0x03f4, 0x1d39, 0x2207, 0x1d3b, + 0x2202, 0x1d3d, 0x1d45, 0x03f4, 0x1d47, 0x2207, 0x1d49, 0x2202, + 0x1d4b, 0x1d53, 0x03f4, 0x1d55, 0x2207, 0x1d57, 0x2202, 0x1d59, + 0x1d61, 0x03f4, 0x1d63, 0x2207, 0x1d65, 0x2202, 0x1d67, 0x1d6f, + 0x03f4, 0x1d71, 0x2207, 0x1d73, 0x2202, 0x1d75, 0x1d7f, 0x1d81, + 0x1d83, 0x1d85, 0x1d87, 0x1d89, 0x1d8f, 0x1dac, 0x062d, 0x1db4, + 0x1dc0, 0x062c, 0x1dd0, 0x1e40, 0x1e4c, 0x1e5f, 0x1e71, 0x1e84, + 0x1e86, 0x1e8a, 0x1e90, 0x1e96, 0x1e98, 0x1e9c, 0x1e9e, 0x1ea6, + 0x1ea9, 0x1eab, 0x1eb1, 0x1eb3, 0x30b5, 0x1eb9, 0x1f11, 0x1f27, + 0x1f2b, 0x1f2d, 0x1f32, 0x1f7f, 0x1f90, 0x2091, 0x20a1, 0x20a7, + 0x21a1, 0x22bf, +}; + +static const uint8_t unicode_decomp_data[9165] = { + 0x20, 0x88, 0x20, 0x84, 0x32, 0x33, 0x20, 0x81, + 0x20, 0xa7, 0x31, 0x6f, 0x31, 0xd0, 0x34, 0x31, + 0xd0, 0x32, 0x33, 0xd0, 0x34, 0x41, 0x80, 0x41, + 0x81, 0x41, 0x82, 0x41, 0x83, 0x41, 0x88, 0x41, + 0x8a, 0x00, 0x00, 0x43, 0xa7, 0x45, 0x80, 0x45, + 0x81, 0x45, 0x82, 0x45, 0x88, 0x49, 0x80, 0x49, + 0x81, 0x49, 0x82, 0x49, 0x88, 0x00, 0x00, 0x4e, + 0x83, 0x4f, 0x80, 0x4f, 0x81, 0x4f, 0x82, 0x4f, + 0x83, 0x4f, 0x88, 0x00, 0x00, 0x00, 0x00, 0x55, + 0x80, 0x55, 0x81, 0x55, 0x82, 0x55, 0x88, 0x59, + 0x81, 0x00, 0x00, 0x00, 0x00, 0x61, 0x80, 0x61, + 0x81, 0x61, 0x82, 0x61, 0x83, 0x61, 0x88, 0x61, + 0x8a, 0x00, 0x00, 0x63, 0xa7, 0x65, 0x80, 0x65, + 0x81, 0x65, 0x82, 0x65, 0x88, 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0x00, 0x08, 0x80, + 0x00, 0x00, 0x02, 0x02, 0x80, 0x8a, 0x00, 0x00, + 0x20, 0x00, 0x08, 0x0a, 0x00, 0x80, 0x88, 0x80, + 0x20, 0x14, 0x48, 0x7a, 0x73, 0x8b, 0x73, 0xac, + 0x3e, 0xa5, 0x73, 0xb8, 0x3e, 0xb8, 0x3e, 0x47, + 0x74, 0x5c, 0x74, 0x71, 0x74, 0x85, 0x74, 0xca, + 0x74, 0x1b, 0x3f, 0x24, 0x75, 0x36, 0x4c, 0x3e, + 0x75, 0x92, 0x4c, 0x70, 0x75, 0x9f, 0x21, 0x10, + 0x76, 0xa1, 0x4f, 0xb8, 0x4f, 0x44, 0x50, 0xfc, + 0x3f, 0x08, 0x40, 0xf4, 0x76, 0xf3, 0x50, 0xf2, + 0x50, 0x19, 0x51, 0x33, 0x51, 0x1e, 0x77, 0x1f, + 0x77, 0x1f, 0x77, 0x4a, 0x77, 0x39, 0x40, 0x8b, + 0x77, 0x46, 0x40, 0x96, 0x40, 0x1d, 0x54, 0x4e, + 0x78, 0x8c, 0x78, 0xcc, 0x78, 0xe3, 0x40, 0x26, + 0x56, 0x56, 0x79, 0x9a, 0x56, 0xc5, 0x56, 0x8f, + 0x79, 0xeb, 0x79, 0x2f, 0x41, 0x40, 0x7a, 0x4a, + 0x7a, 0x4f, 0x7a, 0x7c, 0x59, 0xa7, 0x5a, 0xa7, + 0x5a, 0xee, 0x7a, 0x02, 0x42, 0xab, 0x5b, 0xc6, + 0x7b, 0xc9, 0x7b, 0x27, 0x42, 0x80, 0x5c, 0xd2, + 0x7c, 0xa0, 0x42, 0xe8, 0x7c, 0xe3, 0x7c, 0x00, + 0x7d, 0x86, 0x5f, 0x63, 0x7d, 0x01, 0x43, 0xc7, + 0x7d, 0x02, 0x7e, 0x45, 0x7e, 0x34, 0x43, 0x28, + 0x62, 0x47, 0x62, 0x59, 0x43, 0xd9, 0x62, 0x7a, + 0x7f, 0x3e, 0x63, 0x95, 0x7f, 0xfa, 0x7f, 0x05, + 0x80, 0xda, 0x64, 0x23, 0x65, 0x60, 0x80, 0xa8, + 0x65, 0x70, 0x80, 0x5f, 0x33, 0xd5, 0x43, 0xb2, + 0x80, 0x03, 0x81, 0x0b, 0x44, 0x3e, 0x81, 0xb5, + 0x5a, 0xa7, 0x67, 0xb5, 0x67, 0x93, 0x33, 0x9c, + 0x33, 0x01, 0x82, 0x04, 0x82, 0x9e, 0x8f, 0x6b, + 0x44, 0x91, 0x82, 0x8b, 0x82, 0x9d, 0x82, 0xb3, + 0x52, 0xb1, 0x82, 0xb3, 0x82, 0xbd, 0x82, 0xe6, + 0x82, 0x3c, 0x6b, 0xe5, 0x82, 0x1d, 0x83, 0x63, + 0x83, 0xad, 0x83, 0x23, 0x83, 0xbd, 0x83, 0xe7, + 0x83, 0x57, 0x84, 0x53, 0x83, 0xca, 0x83, 0xcc, + 0x83, 0xdc, 0x83, 0x36, 0x6c, 0x6b, 0x6d, 0x02, + 0x00, 0x00, 0x20, 0x22, 0x2a, 0xa0, 0x0a, 0x00, + 0x20, 0x80, 0x28, 0x00, 0xa8, 0x20, 0x20, 0x00, + 0x02, 0x80, 0x22, 0x02, 0x8a, 0x08, 0x00, 0xaa, + 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x28, 0xd5, + 0x6c, 0x2b, 0x45, 0xf1, 0x84, 0xf3, 0x84, 0x16, + 0x85, 0xca, 0x73, 0x64, 0x85, 0x2c, 0x6f, 0x5d, + 0x45, 0x61, 0x45, 0xb1, 0x6f, 0xd2, 0x70, 0x6b, + 0x45, 0x50, 0x86, 0x5c, 0x86, 0x67, 0x86, 0x69, + 0x86, 0xa9, 0x86, 0x88, 0x86, 0x0e, 0x87, 0xe2, + 0x86, 0x79, 0x87, 0x28, 0x87, 0x6b, 0x87, 0x86, + 0x87, 0xd7, 0x45, 0xe1, 0x87, 0x01, 0x88, 0xf9, + 0x45, 0x60, 0x88, 0x63, 0x88, 0x67, 0x76, 0xd7, + 0x88, 0xde, 0x88, 0x35, 0x46, 0xfa, 0x88, 0xbb, + 0x34, 0xae, 0x78, 0x66, 0x79, 0xbe, 0x46, 0xc7, + 0x46, 0xa0, 0x8a, 0xed, 0x8a, 0x8a, 0x8b, 0x55, + 0x8c, 0xa8, 0x7c, 0xab, 0x8c, 0xc1, 0x8c, 0x1b, + 0x8d, 0x77, 0x8d, 0x2f, 0x7f, 0x04, 0x08, 0xcb, + 0x8d, 0xbc, 0x8d, 0xf0, 0x8d, 0xde, 0x08, 0xd4, + 0x8e, 0x38, 0x8f, 0xd2, 0x85, 0xed, 0x85, 0x94, + 0x90, 0xf1, 0x90, 0x11, 0x91, 0x2e, 0x87, 0x1b, + 0x91, 0x38, 0x92, 0xd7, 0x92, 0xd8, 0x92, 0x7c, + 0x92, 0xf9, 0x93, 0x15, 0x94, 0xfa, 0x8b, 0x8b, + 0x95, 0x95, 0x49, 0xb7, 0x95, 0x77, 0x8d, 0xe6, + 0x49, 0xc3, 0x96, 0xb2, 0x5d, 0x23, 0x97, 0x45, + 0x91, 0x1a, 0x92, 0x6e, 0x4a, 0x76, 0x4a, 0xe0, + 0x97, 0x0a, 0x94, 0xb2, 0x4a, 0x96, 0x94, 0x0b, + 0x98, 0x0b, 0x98, 0x29, 0x98, 0xb6, 0x95, 0xe2, + 0x98, 0x33, 0x4b, 0x29, 0x99, 0xa7, 0x99, 0xc2, + 0x99, 0xfe, 0x99, 0xce, 0x4b, 0x30, 0x9b, 0x12, + 0x9b, 0x40, 0x9c, 0xfd, 0x9c, 0xce, 0x4c, 0xed, + 0x4c, 0x67, 0x9d, 0xce, 0xa0, 0xf8, 0x4c, 0x05, + 0xa1, 0x0e, 0xa2, 0x91, 0xa2, 0xbb, 0x9e, 0x56, + 0x4d, 0xf9, 0x9e, 0xfe, 0x9e, 0x05, 0x9f, 0x0f, + 0x9f, 0x16, 0x9f, 0x3b, 0x9f, 0x00, 0xa6, 0x02, + 0x88, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, + 0x28, 0x00, 0x08, 0xa0, 0x80, 0xa0, 0x80, 0x00, + 0x80, 0x80, 0x00, 0x0a, 0x88, 0x80, 0x00, 0x80, + 0x00, 0x20, 0x2a, 0x00, 0x80, +}; + +static const uint16_t unicode_comp_table[945] = { + 0x4a01, 0x49c0, 0x4a02, 0x0280, 0x0281, 0x0282, 0x0283, 0x02c0, + 0x02c2, 0x0a00, 0x0284, 0x2442, 0x0285, 0x07c0, 0x0980, 0x0982, + 0x2440, 0x2280, 0x02c4, 0x2282, 0x2284, 0x2286, 0x02c6, 0x02c8, + 0x02ca, 0x02cc, 0x0287, 0x228a, 0x02ce, 0x228c, 0x2290, 0x2292, + 0x228e, 0x0288, 0x0289, 0x028a, 0x2482, 0x0300, 0x0302, 0x0304, + 0x028b, 0x2480, 0x0308, 0x0984, 0x0986, 0x2458, 0x0a02, 0x0306, + 0x2298, 0x229a, 0x229e, 0x0900, 0x030a, 0x22a0, 0x030c, 0x030e, + 0x0840, 0x0310, 0x0312, 0x22a2, 0x22a6, 0x09c0, 0x22a4, 0x22a8, + 0x22aa, 0x028c, 0x028d, 0x028e, 0x0340, 0x0342, 0x0344, 0x0380, + 0x028f, 0x248e, 0x07c2, 0x0988, 0x098a, 0x2490, 0x0346, 0x22ac, + 0x0400, 0x22b0, 0x0842, 0x22b2, 0x0402, 0x22b4, 0x0440, 0x0444, + 0x22b6, 0x0442, 0x22c2, 0x22c0, 0x22c4, 0x22c6, 0x22c8, 0x0940, + 0x04c0, 0x0291, 0x22ca, 0x04c4, 0x22cc, 0x04c2, 0x22d0, 0x22ce, + 0x0292, 0x0293, 0x0294, 0x0295, 0x0540, 0x0542, 0x0a08, 0x0296, + 0x2494, 0x0544, 0x07c4, 0x098c, 0x098e, 0x06c0, 0x2492, 0x0844, + 0x2308, 0x230a, 0x0580, 0x230c, 0x0584, 0x0990, 0x0992, 0x230e, + 0x0582, 0x2312, 0x0586, 0x0588, 0x2314, 0x058c, 0x2316, 0x0998, + 0x058a, 0x231e, 0x0590, 0x2320, 0x099a, 0x058e, 0x2324, 0x2322, + 0x0299, 0x029a, 0x029b, 0x05c0, 0x05c2, 0x05c4, 0x029c, 0x24ac, + 0x05c6, 0x05c8, 0x07c6, 0x0994, 0x0996, 0x0700, 0x24aa, 0x2326, + 0x05ca, 0x232a, 0x2328, 0x2340, 0x2342, 0x2344, 0x2346, 0x05cc, + 0x234a, 0x2348, 0x234c, 0x234e, 0x2350, 0x24b8, 0x029d, 0x05ce, + 0x24be, 0x0a0c, 0x2352, 0x0600, 0x24bc, 0x24ba, 0x0640, 0x2354, + 0x0642, 0x0644, 0x2356, 0x2358, 0x02a0, 0x02a1, 0x02a2, 0x02a3, + 0x02c1, 0x02c3, 0x0a01, 0x02a4, 0x2443, 0x02a5, 0x07c1, 0x0981, + 0x0983, 0x2441, 0x2281, 0x02c5, 0x2283, 0x2285, 0x2287, 0x02c7, + 0x02c9, 0x02cb, 0x02cd, 0x02a7, 0x228b, 0x02cf, 0x228d, 0x2291, + 0x2293, 0x228f, 0x02a8, 0x02a9, 0x02aa, 0x2483, 0x0301, 0x0303, + 0x0305, 0x02ab, 0x2481, 0x0309, 0x0985, 0x0987, 0x2459, 0x0a03, + 0x0307, 0x2299, 0x229b, 0x229f, 0x0901, 0x030b, 0x22a1, 0x030d, + 0x030f, 0x0841, 0x0311, 0x0313, 0x22a3, 0x22a7, 0x09c1, 0x22a5, + 0x22a9, 0x22ab, 0x2380, 0x02ac, 0x02ad, 0x02ae, 0x0341, 0x0343, + 0x0345, 0x02af, 0x248f, 0x07c3, 0x0989, 0x098b, 0x2491, 0x0347, + 0x22ad, 0x0401, 0x0884, 0x22b1, 0x0843, 0x22b3, 0x0403, 0x22b5, + 0x0441, 0x0445, 0x22b7, 0x0443, 0x22c3, 0x22c1, 0x22c5, 0x22c7, + 0x22c9, 0x0941, 0x04c1, 0x02b1, 0x22cb, 0x04c5, 0x22cd, 0x04c3, + 0x22d1, 0x22cf, 0x02b2, 0x02b3, 0x02b4, 0x02b5, 0x0541, 0x0543, + 0x0a09, 0x02b6, 0x2495, 0x0545, 0x07c5, 0x098d, 0x098f, 0x06c1, + 0x2493, 0x0845, 0x2309, 0x230b, 0x0581, 0x230d, 0x0585, 0x0991, + 0x0993, 0x230f, 0x0583, 0x2313, 0x0587, 0x0589, 0x2315, 0x058d, + 0x2317, 0x0999, 0x058b, 0x231f, 0x2381, 0x0591, 0x2321, 0x099b, + 0x058f, 0x2325, 0x2323, 0x02b9, 0x02ba, 0x02bb, 0x05c1, 0x05c3, + 0x05c5, 0x02bc, 0x24ad, 0x05c7, 0x05c9, 0x07c7, 0x0995, 0x0997, + 0x0701, 0x24ab, 0x2327, 0x05cb, 0x232b, 0x2329, 0x2341, 0x2343, + 0x2345, 0x2347, 0x05cd, 0x234b, 0x2349, 0x2382, 0x234d, 0x234f, + 0x2351, 0x24b9, 0x02bd, 0x05cf, 0x24bf, 0x0a0d, 0x2353, 0x02bf, + 0x24bd, 0x2383, 0x24bb, 0x0641, 0x2355, 0x0643, 0x0645, 0x2357, + 0x2359, 0x3101, 0x0c80, 0x2e00, 0x2446, 0x2444, 0x244a, 0x2448, + 0x0800, 0x0942, 0x0944, 0x0804, 0x2288, 0x2486, 0x2484, 0x248a, + 0x2488, 0x22ae, 0x2498, 0x2496, 0x249c, 0x249a, 0x2300, 0x0a06, + 0x2302, 0x0a04, 0x0946, 0x07ce, 0x07ca, 0x07c8, 0x07cc, 0x2447, + 0x2445, 0x244b, 0x2449, 0x0801, 0x0943, 0x0945, 0x0805, 0x2289, + 0x2487, 0x2485, 0x248b, 0x2489, 0x22af, 0x2499, 0x2497, 0x249d, + 0x249b, 0x2301, 0x0a07, 0x2303, 0x0a05, 0x0947, 0x07cf, 0x07cb, + 0x07c9, 0x07cd, 0x2450, 0x244e, 0x2454, 0x2452, 0x2451, 0x244f, + 0x2455, 0x2453, 0x2294, 0x2296, 0x2295, 0x2297, 0x2304, 0x2306, + 0x2305, 0x2307, 0x2318, 0x2319, 0x231a, 0x231b, 0x232c, 0x232d, + 0x232e, 0x232f, 0x2400, 0x24a2, 0x24a0, 0x24a6, 0x24a4, 0x24a8, + 0x24a3, 0x24a1, 0x24a7, 0x24a5, 0x24a9, 0x24b0, 0x24ae, 0x24b4, + 0x24b2, 0x24b6, 0x24b1, 0x24af, 0x24b5, 0x24b3, 0x24b7, 0x0882, + 0x0880, 0x0881, 0x0802, 0x0803, 0x229c, 0x229d, 0x0a0a, 0x0a0b, + 0x0883, 0x0b40, 0x2c8a, 0x0c81, 0x2c89, 0x2c88, 0x2540, 0x2541, + 0x2d00, 0x2e07, 0x0d00, 0x2640, 0x2641, 0x2e80, 0x0d01, 0x26c8, + 0x26c9, 0x2f00, 0x2f84, 0x0d02, 0x2f83, 0x2f82, 0x0d40, 0x26d8, + 0x26d9, 0x3186, 0x0d04, 0x2740, 0x2741, 0x3100, 0x3086, 0x0d06, + 0x3085, 0x3084, 0x0d41, 0x2840, 0x3200, 0x0d07, 0x284f, 0x2850, + 0x3280, 0x2c84, 0x2e03, 0x2857, 0x0d42, 0x2c81, 0x2c80, 0x24c0, + 0x24c1, 0x2c86, 0x2c83, 0x28c0, 0x0d43, 0x25c0, 0x25c1, 0x2940, + 0x0d44, 0x26c0, 0x26c1, 0x2e05, 0x2e02, 0x29c0, 0x0d45, 0x2f05, + 0x2f04, 0x0d80, 0x26d0, 0x26d1, 0x2f80, 0x2a40, 0x0d82, 0x26e0, + 0x26e1, 0x3080, 0x3081, 0x2ac0, 0x0d83, 0x3004, 0x3003, 0x0d81, + 0x27c0, 0x27c1, 0x3082, 0x2b40, 0x0d84, 0x2847, 0x2848, 0x3184, + 0x3181, 0x2f06, 0x0d08, 0x2f81, 0x3005, 0x0d46, 0x3083, 0x3182, + 0x0e00, 0x0e01, 0x0f40, 0x1180, 0x1182, 0x0f03, 0x0f00, 0x11c0, + 0x0f01, 0x1140, 0x1202, 0x1204, 0x0f81, 0x1240, 0x0fc0, 0x1242, + 0x0f80, 0x1244, 0x1284, 0x0f82, 0x1286, 0x1288, 0x128a, 0x12c0, + 0x1282, 0x1181, 0x1183, 0x1043, 0x1040, 0x11c1, 0x1041, 0x1141, + 0x1203, 0x1205, 0x10c1, 0x1241, 0x1000, 0x1243, 0x10c0, 0x1245, + 0x1285, 0x10c2, 0x1287, 0x1289, 0x128b, 0x12c1, 0x1283, 0x1080, + 0x1100, 0x1101, 0x1200, 0x1201, 0x1280, 0x1281, 0x1340, 0x1341, + 0x1343, 0x1342, 0x1344, 0x13c2, 0x1400, 0x13c0, 0x1440, 0x1480, + 0x14c0, 0x1540, 0x1541, 0x1740, 0x1700, 0x1741, 0x17c0, 0x1800, + 0x1802, 0x1801, 0x1840, 0x1880, 0x1900, 0x18c0, 0x18c1, 0x1901, + 0x1940, 0x1942, 0x1941, 0x1980, 0x19c0, 0x19c2, 0x19c1, 0x1c80, + 0x1cc0, 0x1dc0, 0x1f80, 0x2000, 0x2002, 0x2004, 0x2006, 0x2008, + 0x2040, 0x2080, 0x2082, 0x20c0, 0x20c1, 0x2100, 0x22b8, 0x22b9, + 0x2310, 0x2311, 0x231c, 0x231d, 0x244c, 0x2456, 0x244d, 0x2457, + 0x248c, 0x248d, 0x249e, 0x249f, 0x2500, 0x2502, 0x2504, 0x2bc0, + 0x2501, 0x2503, 0x2505, 0x2bc1, 0x2bc2, 0x2bc3, 0x2bc4, 0x2bc5, + 0x2bc6, 0x2bc7, 0x2580, 0x2582, 0x2584, 0x2bc8, 0x2581, 0x2583, + 0x2585, 0x2bc9, 0x2bca, 0x2bcb, 0x2bcc, 0x2bcd, 0x2bce, 0x2bcf, + 0x2600, 0x2602, 0x2601, 0x2603, 0x2680, 0x2682, 0x2681, 0x2683, + 0x26c2, 0x26c4, 0x26c6, 0x2c00, 0x26c3, 0x26c5, 0x26c7, 0x2c01, + 0x2c02, 0x2c03, 0x2c04, 0x2c05, 0x2c06, 0x2c07, 0x26ca, 0x26cc, + 0x26ce, 0x2c08, 0x26cb, 0x26cd, 0x26cf, 0x2c09, 0x2c0a, 0x2c0b, + 0x2c0c, 0x2c0d, 0x2c0e, 0x2c0f, 0x26d2, 0x26d4, 0x26d6, 0x26d3, + 0x26d5, 0x26d7, 0x26da, 0x26dc, 0x26de, 0x26db, 0x26dd, 0x26df, + 0x2700, 0x2702, 0x2701, 0x2703, 0x2780, 0x2782, 0x2781, 0x2783, + 0x2800, 0x2802, 0x2804, 0x2801, 0x2803, 0x2805, 0x2842, 0x2844, + 0x2846, 0x2849, 0x284b, 0x284d, 0x2c40, 0x284a, 0x284c, 0x284e, + 0x2c41, 0x2c42, 0x2c43, 0x2c44, 0x2c45, 0x2c46, 0x2c47, 0x2851, + 0x2853, 0x2855, 0x2c48, 0x2852, 0x2854, 0x2856, 0x2c49, 0x2c4a, + 0x2c4b, 0x2c4c, 0x2c4d, 0x2c4e, 0x2c4f, 0x2c82, 0x2e01, 0x3180, + 0x2c87, 0x2f01, 0x2f02, 0x2f03, 0x2e06, 0x3185, 0x3000, 0x3001, + 0x3002, 0x4640, 0x4641, 0x4680, 0x46c0, 0x46c2, 0x46c1, 0x4700, + 0x4740, 0x4780, 0x47c0, 0x47c2, 0x4900, 0x4940, 0x4980, 0x4982, + 0x4a00, 0x49c2, 0x4a03, 0x4a04, 0x4a40, 0x4a41, 0x4a80, 0x4a81, + 0x4ac0, 0x4ac1, 0x4bc0, 0x4bc1, 0x4b00, 0x4b01, 0x4b40, 0x4b41, + 0x4bc2, 0x4bc3, 0x4b80, 0x4b81, 0x4b82, 0x4b83, 0x4c00, 0x4c01, + 0x4c02, 0x4c03, 0x5600, 0x5440, 0x5442, 0x5444, 0x5446, 0x5448, + 0x544a, 0x544c, 0x544e, 0x5450, 0x5452, 0x5454, 0x5456, 0x5480, + 0x5482, 0x5484, 0x54c0, 0x54c1, 0x5500, 0x5501, 0x5540, 0x5541, + 0x5580, 0x5581, 0x55c0, 0x55c1, 0x5680, 0x58c0, 0x5700, 0x5702, + 0x5704, 0x5706, 0x5708, 0x570a, 0x570c, 0x570e, 0x5710, 0x5712, + 0x5714, 0x5716, 0x5740, 0x5742, 0x5744, 0x5780, 0x5781, 0x57c0, + 0x57c1, 0x5800, 0x5801, 0x5840, 0x5841, 0x5880, 0x5881, 0x5900, + 0x5901, 0x5902, 0x5903, 0x5940, 0x8e80, 0x8e82, 0x8ec0, 0x8f00, + 0x8f01, 0x8f40, 0x8f41, 0x8f81, 0x8f80, 0x8f83, 0x8fc0, 0x8fc1, + 0x9000, +}; + +typedef enum { + UNICODE_GC_Cn, + UNICODE_GC_Lu, + UNICODE_GC_Ll, + UNICODE_GC_Lt, + UNICODE_GC_Lm, + UNICODE_GC_Lo, + UNICODE_GC_Mn, + UNICODE_GC_Mc, + UNICODE_GC_Me, + UNICODE_GC_Nd, + UNICODE_GC_Nl, + UNICODE_GC_No, + UNICODE_GC_Sm, + UNICODE_GC_Sc, + UNICODE_GC_Sk, + UNICODE_GC_So, + UNICODE_GC_Pc, + UNICODE_GC_Pd, + UNICODE_GC_Ps, + UNICODE_GC_Pe, + UNICODE_GC_Pi, + UNICODE_GC_Pf, + UNICODE_GC_Po, + UNICODE_GC_Zs, + UNICODE_GC_Zl, + UNICODE_GC_Zp, + UNICODE_GC_Cc, + UNICODE_GC_Cf, + UNICODE_GC_Cs, + UNICODE_GC_Co, + UNICODE_GC_LC, + UNICODE_GC_L, + UNICODE_GC_M, + UNICODE_GC_N, + UNICODE_GC_S, + UNICODE_GC_P, + UNICODE_GC_Z, + UNICODE_GC_C, + UNICODE_GC_COUNT, +} UnicodeGCEnum; + +static const char unicode_gc_name_table[] = + "Cn,Unassigned" "\0" + "Lu,Uppercase_Letter" "\0" + "Ll,Lowercase_Letter" "\0" + "Lt,Titlecase_Letter" "\0" + "Lm,Modifier_Letter" "\0" + "Lo,Other_Letter" "\0" + "Mn,Nonspacing_Mark" "\0" + "Mc,Spacing_Mark" "\0" + "Me,Enclosing_Mark" "\0" + "Nd,Decimal_Number,digit" "\0" + "Nl,Letter_Number" "\0" + "No,Other_Number" "\0" + "Sm,Math_Symbol" "\0" + "Sc,Currency_Symbol" "\0" + "Sk,Modifier_Symbol" "\0" + "So,Other_Symbol" "\0" + "Pc,Connector_Punctuation" "\0" + "Pd,Dash_Punctuation" "\0" + "Ps,Open_Punctuation" "\0" + "Pe,Close_Punctuation" "\0" + "Pi,Initial_Punctuation" "\0" + "Pf,Final_Punctuation" "\0" + "Po,Other_Punctuation" "\0" + "Zs,Space_Separator" "\0" + "Zl,Line_Separator" "\0" + "Zp,Paragraph_Separator" "\0" + "Cc,Control,cntrl" "\0" + "Cf,Format" "\0" + "Cs,Surrogate" "\0" + "Co,Private_Use" "\0" + "LC,Cased_Letter" "\0" + "L,Letter" "\0" + "M,Mark,Combining_Mark" "\0" + "N,Number" "\0" + "S,Symbol" "\0" + "P,Punctuation,punct" "\0" + "Z,Separator" "\0" + "C,Other" "\0" +; + +static const uint8_t unicode_gc_table[3790] = { + 0xfa, 0x18, 0x17, 0x56, 0x0d, 0x56, 0x12, 0x13, + 0x16, 0x0c, 0x16, 0x11, 0x36, 0xe9, 0x02, 0x36, + 0x4c, 0x36, 0xe1, 0x12, 0x12, 0x16, 0x13, 0x0e, + 0x10, 0x0e, 0xe2, 0x12, 0x12, 0x0c, 0x13, 0x0c, + 0xfa, 0x19, 0x17, 0x16, 0x6d, 0x0f, 0x16, 0x0e, + 0x0f, 0x05, 0x14, 0x0c, 0x1b, 0x0f, 0x0e, 0x0f, + 0x0c, 0x2b, 0x0e, 0x02, 0x36, 0x0e, 0x0b, 0x05, + 0x15, 0x4b, 0x16, 0xe1, 0x0f, 0x0c, 0xc1, 0xe2, + 0x10, 0x0c, 0xe2, 0x00, 0xff, 0x30, 0x02, 0xff, + 0x08, 0x02, 0xff, 0x27, 0xbf, 0x22, 0x21, 0x02, + 0x5f, 0x5f, 0x21, 0x22, 0x61, 0x02, 0x21, 0x02, + 0x41, 0x42, 0x21, 0x02, 0x21, 0x02, 0x9f, 0x7f, + 0x02, 0x5f, 0x5f, 0x21, 0x02, 0x5f, 0x3f, 0x02, + 0x05, 0x3f, 0x22, 0x65, 0x01, 0x03, 0x02, 0x01, + 0x03, 0x02, 0x01, 0x03, 0x02, 0xff, 0x08, 0x02, + 0xff, 0x0a, 0x02, 0x01, 0x03, 0x02, 0x5f, 0x21, + 0x02, 0xff, 0x32, 0xa2, 0x21, 0x02, 0x21, 0x22, + 0x5f, 0x41, 0x02, 0xff, 0x00, 0xe2, 0x3c, 0x05, + 0xe2, 0x13, 0xe4, 0x0a, 0x6e, 0xe4, 0x04, 0xee, + 0x06, 0x84, 0xce, 0x04, 0x0e, 0x04, 0xee, 0x09, + 0xe6, 0x68, 0x7f, 0x04, 0x0e, 0x3f, 0x20, 0x04, + 0x42, 0x16, 0x01, 0x60, 0x2e, 0x01, 0x16, 0x41, + 0x00, 0x01, 0x00, 0x21, 0x02, 0xe1, 0x09, 0x00, + 0xe1, 0x01, 0xe2, 0x1b, 0x3f, 0x02, 0x41, 0x42, + 0xff, 0x10, 0x62, 0x3f, 0x0c, 0x5f, 0x3f, 0x02, + 0xe1, 0x2b, 0xe2, 0x28, 0xff, 0x1a, 0x0f, 0x86, + 0x28, 0xff, 0x2f, 0xff, 0x06, 0x02, 0xff, 0x58, + 0x00, 0xe1, 0x1e, 0x20, 0x04, 0xb6, 0xe2, 0x21, + 0x16, 0x11, 0x20, 0x2f, 0x0d, 0x00, 0xe6, 0x25, + 0x11, 0x06, 0x16, 0x26, 0x16, 0x26, 0x16, 0x06, + 0xe0, 0x00, 0xe5, 0x13, 0x60, 0x65, 0x36, 0xe0, + 0x03, 0xbb, 0x4c, 0x36, 0x0d, 0x36, 0x2f, 0xe6, + 0x03, 0x16, 0x1b, 0x00, 0x36, 0xe5, 0x18, 0x04, + 0xe5, 0x02, 0xe6, 0x0d, 0xe9, 0x02, 0x76, 0x25, + 0x06, 0xe5, 0x5b, 0x16, 0x05, 0xc6, 0x1b, 0x0f, + 0xa6, 0x24, 0x26, 0x0f, 0x66, 0x25, 0xe9, 0x02, + 0x45, 0x2f, 0x05, 0xf6, 0x06, 0x00, 0x1b, 0x05, + 0x06, 0xe5, 0x16, 0xe6, 0x13, 0x20, 0xe5, 0x51, + 0xe6, 0x03, 0x05, 0xe0, 0x06, 0xe9, 0x02, 0xe5, + 0x19, 0xe6, 0x01, 0x24, 0x0f, 0x56, 0x04, 0x20, + 0x06, 0x2d, 0xe5, 0x0e, 0x66, 0x04, 0xe6, 0x01, + 0x04, 0x46, 0x04, 0x86, 0x20, 0xf6, 0x07, 0x00, + 0xe5, 0x11, 0x46, 0x20, 0x16, 0x00, 0xe5, 0x03, + 0xe0, 0x2d, 0xe5, 0x0d, 0x00, 0xe5, 0x0a, 0xe0, + 0x03, 0xe6, 0x07, 0x1b, 0xe6, 0x18, 0x07, 0xe5, + 0x2e, 0x06, 0x07, 0x06, 0x05, 0x47, 0xe6, 0x00, + 0x67, 0x06, 0x27, 0x05, 0xc6, 0xe5, 0x02, 0x26, + 0x36, 0xe9, 0x02, 0x16, 0x04, 0xe5, 0x07, 0x06, + 0x27, 0x00, 0xe5, 0x00, 0x20, 0x25, 0x20, 0xe5, + 0x0e, 0x00, 0xc5, 0x00, 0x05, 0x40, 0x65, 0x20, + 0x06, 0x05, 0x47, 0x66, 0x20, 0x27, 0x20, 0x27, + 0x06, 0x05, 0xe0, 0x00, 0x07, 0x60, 0x25, 0x00, + 0x45, 0x26, 0x20, 0xe9, 0x02, 0x25, 0x2d, 0xab, + 0x0f, 0x0d, 0x05, 0x16, 0x06, 0x20, 0x26, 0x07, + 0x00, 0xa5, 0x60, 0x25, 0x20, 0xe5, 0x0e, 0x00, + 0xc5, 0x00, 0x25, 0x00, 0x25, 0x00, 0x25, 0x20, + 0x06, 0x00, 0x47, 0x26, 0x60, 0x26, 0x20, 0x46, + 0x40, 0x06, 0xc0, 0x65, 0x00, 0x05, 0xc0, 0xe9, + 0x02, 0x26, 0x45, 0x06, 0x16, 0xe0, 0x02, 0x26, + 0x07, 0x00, 0xe5, 0x01, 0x00, 0x45, 0x00, 0xe5, + 0x0e, 0x00, 0xc5, 0x00, 0x25, 0x00, 0x85, 0x20, + 0x06, 0x05, 0x47, 0x86, 0x00, 0x26, 0x07, 0x00, + 0x27, 0x06, 0x20, 0x05, 0xe0, 0x07, 0x25, 0x26, + 0x20, 0xe9, 0x02, 0x16, 0x0d, 0xc0, 0x05, 0xa6, + 0x00, 0x06, 0x27, 0x00, 0xe5, 0x00, 0x20, 0x25, + 0x20, 0xe5, 0x0e, 0x00, 0xc5, 0x00, 0x25, 0x00, + 0x85, 0x20, 0x06, 0x05, 0x07, 0x06, 0x07, 0x66, + 0x20, 0x27, 0x20, 0x27, 0x06, 0xc0, 0x26, 0x07, + 0x60, 0x25, 0x00, 0x45, 0x26, 0x20, 0xe9, 0x02, + 0x0f, 0x05, 0xab, 0xe0, 0x02, 0x06, 0x05, 0x00, + 0xa5, 0x40, 0x45, 0x00, 0x65, 0x40, 0x25, 0x00, + 0x05, 0x00, 0x25, 0x40, 0x25, 0x40, 0x45, 0x40, + 0xe5, 0x04, 0x60, 0x27, 0x06, 0x27, 0x40, 0x47, + 0x00, 0x47, 0x06, 0x20, 0x05, 0xa0, 0x07, 0xe0, + 0x06, 0xe9, 0x02, 0x4b, 0xaf, 0x0d, 0x0f, 0x80, + 0x06, 0x47, 0x06, 0xe5, 0x00, 0x00, 0x45, 0x00, + 0xe5, 0x0f, 0x00, 0xe5, 0x08, 0x40, 0x05, 0x46, + 0x67, 0x00, 0x46, 0x00, 0x66, 0xc0, 0x26, 0x00, + 0x45, 0x80, 0x25, 0x26, 0x20, 0xe9, 0x02, 0xc0, + 0x16, 0xcb, 0x0f, 0x05, 0x06, 0x27, 0x16, 0xe5, + 0x00, 0x00, 0x45, 0x00, 0xe5, 0x0f, 0x00, 0xe5, + 0x02, 0x00, 0x85, 0x20, 0x06, 0x05, 0x07, 0x06, + 0x87, 0x00, 0x06, 0x27, 0x00, 0x27, 0x26, 0xc0, + 0x27, 0xc0, 0x05, 0x00, 0x25, 0x26, 0x20, 0xe9, + 0x02, 0x00, 0x25, 0xe0, 0x05, 0x26, 0x27, 0xe5, + 0x01, 0x00, 0x45, 0x00, 0xe5, 0x21, 0x26, 0x05, + 0x47, 0x66, 0x00, 0x47, 0x00, 0x47, 0x06, 0x05, + 0x0f, 0x60, 0x45, 0x07, 0xcb, 0x45, 0x26, 0x20, + 0xe9, 0x02, 0xeb, 0x01, 0x0f, 0xa5, 0x00, 0x06, + 0x27, 0x00, 0xe5, 0x0a, 0x40, 0xe5, 0x10, 0x00, + 0xe5, 0x01, 0x00, 0x05, 0x20, 0xc5, 0x40, 0x06, + 0x60, 0x47, 0x46, 0x00, 0x06, 0x00, 0xe7, 0x00, + 0xa0, 0xe9, 0x02, 0x20, 0x27, 0x16, 0xe0, 0x04, + 0xe5, 0x28, 0x06, 0x25, 0xc6, 0x60, 0x0d, 0xa5, + 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enum { + UNICODE_SCRIPT_Unknown, + UNICODE_SCRIPT_Adlam, + UNICODE_SCRIPT_Ahom, + UNICODE_SCRIPT_Anatolian_Hieroglyphs, + UNICODE_SCRIPT_Arabic, + UNICODE_SCRIPT_Armenian, + UNICODE_SCRIPT_Avestan, + UNICODE_SCRIPT_Balinese, + UNICODE_SCRIPT_Bamum, + UNICODE_SCRIPT_Bassa_Vah, + UNICODE_SCRIPT_Batak, + UNICODE_SCRIPT_Bengali, + UNICODE_SCRIPT_Bhaiksuki, + UNICODE_SCRIPT_Bopomofo, + UNICODE_SCRIPT_Brahmi, + UNICODE_SCRIPT_Braille, + UNICODE_SCRIPT_Buginese, + UNICODE_SCRIPT_Buhid, + UNICODE_SCRIPT_Canadian_Aboriginal, + UNICODE_SCRIPT_Carian, + UNICODE_SCRIPT_Caucasian_Albanian, + UNICODE_SCRIPT_Chakma, + UNICODE_SCRIPT_Cham, + UNICODE_SCRIPT_Cherokee, + UNICODE_SCRIPT_Chorasmian, + UNICODE_SCRIPT_Common, + UNICODE_SCRIPT_Coptic, + UNICODE_SCRIPT_Cuneiform, + UNICODE_SCRIPT_Cypriot, + UNICODE_SCRIPT_Cyrillic, + UNICODE_SCRIPT_Deseret, + UNICODE_SCRIPT_Devanagari, + UNICODE_SCRIPT_Dives_Akuru, + UNICODE_SCRIPT_Dogra, + UNICODE_SCRIPT_Duployan, + UNICODE_SCRIPT_Egyptian_Hieroglyphs, + UNICODE_SCRIPT_Elbasan, + UNICODE_SCRIPT_Elymaic, + UNICODE_SCRIPT_Ethiopic, + UNICODE_SCRIPT_Georgian, + UNICODE_SCRIPT_Glagolitic, + UNICODE_SCRIPT_Gothic, + UNICODE_SCRIPT_Grantha, + UNICODE_SCRIPT_Greek, + UNICODE_SCRIPT_Gujarati, + UNICODE_SCRIPT_Gunjala_Gondi, + UNICODE_SCRIPT_Gurmukhi, + UNICODE_SCRIPT_Han, + UNICODE_SCRIPT_Hangul, + UNICODE_SCRIPT_Hanifi_Rohingya, + UNICODE_SCRIPT_Hanunoo, + UNICODE_SCRIPT_Hatran, + UNICODE_SCRIPT_Hebrew, + UNICODE_SCRIPT_Hiragana, + UNICODE_SCRIPT_Imperial_Aramaic, + UNICODE_SCRIPT_Inherited, + UNICODE_SCRIPT_Inscriptional_Pahlavi, + UNICODE_SCRIPT_Inscriptional_Parthian, + UNICODE_SCRIPT_Javanese, + UNICODE_SCRIPT_Kaithi, + UNICODE_SCRIPT_Kannada, + UNICODE_SCRIPT_Katakana, + UNICODE_SCRIPT_Kayah_Li, + UNICODE_SCRIPT_Kharoshthi, + UNICODE_SCRIPT_Khmer, + UNICODE_SCRIPT_Khojki, + UNICODE_SCRIPT_Khitan_Small_Script, + UNICODE_SCRIPT_Khudawadi, + UNICODE_SCRIPT_Lao, + UNICODE_SCRIPT_Latin, + UNICODE_SCRIPT_Lepcha, + UNICODE_SCRIPT_Limbu, + UNICODE_SCRIPT_Linear_A, + UNICODE_SCRIPT_Linear_B, + UNICODE_SCRIPT_Lisu, + UNICODE_SCRIPT_Lycian, + UNICODE_SCRIPT_Lydian, + UNICODE_SCRIPT_Makasar, + UNICODE_SCRIPT_Mahajani, + UNICODE_SCRIPT_Malayalam, + UNICODE_SCRIPT_Mandaic, + UNICODE_SCRIPT_Manichaean, + UNICODE_SCRIPT_Marchen, + UNICODE_SCRIPT_Masaram_Gondi, + UNICODE_SCRIPT_Medefaidrin, + UNICODE_SCRIPT_Meetei_Mayek, + UNICODE_SCRIPT_Mende_Kikakui, + UNICODE_SCRIPT_Meroitic_Cursive, + UNICODE_SCRIPT_Meroitic_Hieroglyphs, + UNICODE_SCRIPT_Miao, + UNICODE_SCRIPT_Modi, + UNICODE_SCRIPT_Mongolian, + UNICODE_SCRIPT_Mro, + UNICODE_SCRIPT_Multani, + UNICODE_SCRIPT_Myanmar, + UNICODE_SCRIPT_Nabataean, + UNICODE_SCRIPT_Nandinagari, + UNICODE_SCRIPT_New_Tai_Lue, + UNICODE_SCRIPT_Newa, + UNICODE_SCRIPT_Nko, + UNICODE_SCRIPT_Nushu, + UNICODE_SCRIPT_Nyiakeng_Puachue_Hmong, + UNICODE_SCRIPT_Ogham, + UNICODE_SCRIPT_Ol_Chiki, + UNICODE_SCRIPT_Old_Hungarian, + UNICODE_SCRIPT_Old_Italic, + UNICODE_SCRIPT_Old_North_Arabian, + UNICODE_SCRIPT_Old_Permic, + UNICODE_SCRIPT_Old_Persian, + UNICODE_SCRIPT_Old_Sogdian, + UNICODE_SCRIPT_Old_South_Arabian, + UNICODE_SCRIPT_Old_Turkic, + UNICODE_SCRIPT_Oriya, + UNICODE_SCRIPT_Osage, + UNICODE_SCRIPT_Osmanya, + UNICODE_SCRIPT_Pahawh_Hmong, + UNICODE_SCRIPT_Palmyrene, + UNICODE_SCRIPT_Pau_Cin_Hau, + UNICODE_SCRIPT_Phags_Pa, + UNICODE_SCRIPT_Phoenician, + UNICODE_SCRIPT_Psalter_Pahlavi, + UNICODE_SCRIPT_Rejang, + UNICODE_SCRIPT_Runic, + UNICODE_SCRIPT_Samaritan, + UNICODE_SCRIPT_Saurashtra, + UNICODE_SCRIPT_Sharada, + UNICODE_SCRIPT_Shavian, + UNICODE_SCRIPT_Siddham, + UNICODE_SCRIPT_SignWriting, + UNICODE_SCRIPT_Sinhala, + UNICODE_SCRIPT_Sogdian, + UNICODE_SCRIPT_Sora_Sompeng, + UNICODE_SCRIPT_Soyombo, + UNICODE_SCRIPT_Sundanese, + UNICODE_SCRIPT_Syloti_Nagri, + UNICODE_SCRIPT_Syriac, + UNICODE_SCRIPT_Tagalog, + UNICODE_SCRIPT_Tagbanwa, + UNICODE_SCRIPT_Tai_Le, + UNICODE_SCRIPT_Tai_Tham, + UNICODE_SCRIPT_Tai_Viet, + UNICODE_SCRIPT_Takri, + UNICODE_SCRIPT_Tamil, + UNICODE_SCRIPT_Tangut, + UNICODE_SCRIPT_Telugu, + UNICODE_SCRIPT_Thaana, + UNICODE_SCRIPT_Thai, + UNICODE_SCRIPT_Tibetan, + UNICODE_SCRIPT_Tifinagh, + UNICODE_SCRIPT_Tirhuta, + UNICODE_SCRIPT_Ugaritic, + UNICODE_SCRIPT_Vai, + UNICODE_SCRIPT_Wancho, + UNICODE_SCRIPT_Warang_Citi, + UNICODE_SCRIPT_Yezidi, + UNICODE_SCRIPT_Yi, + UNICODE_SCRIPT_Zanabazar_Square, + UNICODE_SCRIPT_COUNT, +} UnicodeScriptEnum; + +static const char unicode_script_name_table[] = + "Adlam,Adlm" "\0" + "Ahom,Ahom" "\0" + "Anatolian_Hieroglyphs,Hluw" "\0" + "Arabic,Arab" "\0" + "Armenian,Armn" "\0" + "Avestan,Avst" "\0" + "Balinese,Bali" "\0" + "Bamum,Bamu" "\0" + "Bassa_Vah,Bass" "\0" + "Batak,Batk" "\0" + "Bengali,Beng" "\0" + "Bhaiksuki,Bhks" "\0" + "Bopomofo,Bopo" "\0" + "Brahmi,Brah" "\0" + "Braille,Brai" "\0" + "Buginese,Bugi" "\0" + "Buhid,Buhd" "\0" + "Canadian_Aboriginal,Cans" "\0" + "Carian,Cari" "\0" + "Caucasian_Albanian,Aghb" "\0" + "Chakma,Cakm" "\0" + "Cham,Cham" "\0" + "Cherokee,Cher" "\0" + "Chorasmian,Chrs" "\0" + "Common,Zyyy" "\0" + "Coptic,Copt,Qaac" "\0" + "Cuneiform,Xsux" "\0" + "Cypriot,Cprt" "\0" + "Cyrillic,Cyrl" "\0" + "Deseret,Dsrt" "\0" + "Devanagari,Deva" "\0" + "Dives_Akuru,Diak" "\0" + "Dogra,Dogr" "\0" + "Duployan,Dupl" "\0" + "Egyptian_Hieroglyphs,Egyp" "\0" + "Elbasan,Elba" "\0" + "Elymaic,Elym" "\0" + "Ethiopic,Ethi" "\0" + "Georgian,Geor" "\0" + "Glagolitic,Glag" "\0" + "Gothic,Goth" "\0" + "Grantha,Gran" "\0" + "Greek,Grek" "\0" + "Gujarati,Gujr" "\0" + "Gunjala_Gondi,Gong" "\0" + "Gurmukhi,Guru" "\0" + "Han,Hani" "\0" + "Hangul,Hang" "\0" + "Hanifi_Rohingya,Rohg" "\0" + "Hanunoo,Hano" "\0" + "Hatran,Hatr" "\0" + "Hebrew,Hebr" "\0" + "Hiragana,Hira" "\0" + "Imperial_Aramaic,Armi" "\0" + "Inherited,Zinh,Qaai" "\0" + "Inscriptional_Pahlavi,Phli" "\0" + "Inscriptional_Parthian,Prti" "\0" + "Javanese,Java" "\0" + "Kaithi,Kthi" "\0" + "Kannada,Knda" "\0" + "Katakana,Kana" "\0" + "Kayah_Li,Kali" "\0" + "Kharoshthi,Khar" "\0" + "Khmer,Khmr" "\0" + "Khojki,Khoj" "\0" + "Khitan_Small_Script,Kits" "\0" + "Khudawadi,Sind" "\0" + "Lao,Laoo" "\0" + "Latin,Latn" "\0" + "Lepcha,Lepc" "\0" + "Limbu,Limb" "\0" + "Linear_A,Lina" "\0" + "Linear_B,Linb" "\0" + "Lisu,Lisu" "\0" + "Lycian,Lyci" "\0" + "Lydian,Lydi" "\0" + "Makasar,Maka" "\0" + "Mahajani,Mahj" "\0" + "Malayalam,Mlym" "\0" + "Mandaic,Mand" "\0" + "Manichaean,Mani" "\0" + "Marchen,Marc" "\0" + "Masaram_Gondi,Gonm" "\0" + "Medefaidrin,Medf" "\0" + "Meetei_Mayek,Mtei" "\0" + "Mende_Kikakui,Mend" "\0" + "Meroitic_Cursive,Merc" "\0" + "Meroitic_Hieroglyphs,Mero" "\0" + "Miao,Plrd" "\0" + "Modi,Modi" "\0" + "Mongolian,Mong" "\0" + "Mro,Mroo" "\0" + "Multani,Mult" "\0" + "Myanmar,Mymr" "\0" + "Nabataean,Nbat" "\0" + "Nandinagari,Nand" "\0" + "New_Tai_Lue,Talu" "\0" + "Newa,Newa" "\0" + "Nko,Nkoo" "\0" + "Nushu,Nshu" "\0" + "Nyiakeng_Puachue_Hmong,Hmnp" "\0" + "Ogham,Ogam" "\0" + "Ol_Chiki,Olck" "\0" + "Old_Hungarian,Hung" "\0" + "Old_Italic,Ital" "\0" + "Old_North_Arabian,Narb" "\0" + "Old_Permic,Perm" "\0" + "Old_Persian,Xpeo" "\0" + "Old_Sogdian,Sogo" "\0" + "Old_South_Arabian,Sarb" "\0" + "Old_Turkic,Orkh" "\0" + "Oriya,Orya" "\0" + "Osage,Osge" "\0" + "Osmanya,Osma" "\0" + "Pahawh_Hmong,Hmng" "\0" + "Palmyrene,Palm" "\0" + "Pau_Cin_Hau,Pauc" "\0" + "Phags_Pa,Phag" "\0" + "Phoenician,Phnx" "\0" + "Psalter_Pahlavi,Phlp" "\0" + "Rejang,Rjng" "\0" + "Runic,Runr" "\0" + "Samaritan,Samr" "\0" + "Saurashtra,Saur" "\0" + "Sharada,Shrd" "\0" + "Shavian,Shaw" "\0" + "Siddham,Sidd" "\0" + "SignWriting,Sgnw" "\0" + "Sinhala,Sinh" "\0" + "Sogdian,Sogd" "\0" + "Sora_Sompeng,Sora" "\0" + "Soyombo,Soyo" "\0" + "Sundanese,Sund" "\0" + "Syloti_Nagri,Sylo" "\0" + "Syriac,Syrc" "\0" + "Tagalog,Tglg" "\0" + "Tagbanwa,Tagb" "\0" + "Tai_Le,Tale" "\0" + "Tai_Tham,Lana" "\0" + "Tai_Viet,Tavt" "\0" + "Takri,Takr" "\0" + "Tamil,Taml" "\0" + "Tangut,Tang" "\0" + "Telugu,Telu" "\0" + "Thaana,Thaa" "\0" + "Thai,Thai" "\0" + "Tibetan,Tibt" "\0" + "Tifinagh,Tfng" "\0" + "Tirhuta,Tirh" "\0" + "Ugaritic,Ugar" "\0" + "Vai,Vaii" "\0" + "Wancho,Wcho" "\0" + "Warang_Citi,Wara" "\0" + "Yezidi,Yezi" "\0" + "Yi,Yiii" "\0" + "Zanabazar_Square,Zanb" "\0" +; + +static const uint8_t unicode_script_table[2609] = { + 0xc0, 0x19, 0x99, 0x45, 0x85, 0x19, 0x99, 0x45, + 0xae, 0x19, 0x80, 0x45, 0x8e, 0x19, 0x80, 0x45, + 0x84, 0x19, 0x96, 0x45, 0x80, 0x19, 0x9e, 0x45, + 0x80, 0x19, 0xe1, 0x60, 0x45, 0xa6, 0x19, 0x84, + 0x45, 0x84, 0x19, 0x81, 0x0d, 0x93, 0x19, 0xe0, + 0x0f, 0x37, 0x83, 0x2b, 0x80, 0x19, 0x82, 0x2b, + 0x01, 0x83, 0x2b, 0x80, 0x19, 0x80, 0x2b, 0x03, + 0x80, 0x2b, 0x80, 0x19, 0x80, 0x2b, 0x80, 0x19, + 0x82, 0x2b, 0x00, 0x80, 0x2b, 0x00, 0x93, 0x2b, + 0x00, 0xbe, 0x2b, 0x8d, 0x1a, 0x8f, 0x2b, 0xe0, + 0x24, 0x1d, 0x81, 0x37, 0xe0, 0x48, 0x1d, 0x00, + 0xa5, 0x05, 0x01, 0xb1, 0x05, 0x01, 0x82, 0x05, + 0x00, 0xb6, 0x34, 0x07, 0x9a, 0x34, 0x03, 0x85, + 0x34, 0x0a, 0x84, 0x04, 0x80, 0x19, 0x85, 0x04, + 0x80, 0x19, 0x8d, 0x04, 0x80, 0x19, 0x80, 0x04, + 0x00, 0x80, 0x04, 0x80, 0x19, 0x9f, 0x04, 0x80, + 0x19, 0x89, 0x04, 0x8a, 0x37, 0x99, 0x04, 0x80, + 0x37, 0xe0, 0x0b, 0x04, 0x80, 0x19, 0xa1, 0x04, + 0x8d, 0x87, 0x00, 0xbb, 0x87, 0x01, 0x82, 0x87, + 0xaf, 0x04, 0xb1, 0x91, 0x0d, 0xba, 0x63, 0x01, + 0x82, 0x63, 0xad, 0x7b, 0x01, 0x8e, 0x7b, 0x00, + 0x9b, 0x50, 0x01, 0x80, 0x50, 0x00, 0x8a, 0x87, + 0x34, 0x94, 0x04, 0x00, 0x91, 0x04, 0x0a, 0x8e, + 0x04, 0x80, 0x19, 0x9c, 0x04, 0xd0, 0x1f, 0x83, + 0x37, 0x8e, 0x1f, 0x81, 0x19, 0x99, 0x1f, 0x83, + 0x0b, 0x00, 0x87, 0x0b, 0x01, 0x81, 0x0b, 0x01, + 0x95, 0x0b, 0x00, 0x86, 0x0b, 0x00, 0x80, 0x0b, + 0x02, 0x83, 0x0b, 0x01, 0x88, 0x0b, 0x01, 0x81, + 0x0b, 0x01, 0x83, 0x0b, 0x07, 0x80, 0x0b, 0x03, + 0x81, 0x0b, 0x00, 0x84, 0x0b, 0x01, 0x98, 0x0b, + 0x01, 0x82, 0x2e, 0x00, 0x85, 0x2e, 0x03, 0x81, + 0x2e, 0x01, 0x95, 0x2e, 0x00, 0x86, 0x2e, 0x00, + 0x81, 0x2e, 0x00, 0x81, 0x2e, 0x00, 0x81, 0x2e, + 0x01, 0x80, 0x2e, 0x00, 0x84, 0x2e, 0x03, 0x81, + 0x2e, 0x01, 0x82, 0x2e, 0x02, 0x80, 0x2e, 0x06, + 0x83, 0x2e, 0x00, 0x80, 0x2e, 0x06, 0x90, 0x2e, + 0x09, 0x82, 0x2c, 0x00, 0x88, 0x2c, 0x00, 0x82, + 0x2c, 0x00, 0x95, 0x2c, 0x00, 0x86, 0x2c, 0x00, + 0x81, 0x2c, 0x00, 0x84, 0x2c, 0x01, 0x89, 0x2c, + 0x00, 0x82, 0x2c, 0x00, 0x82, 0x2c, 0x01, 0x80, + 0x2c, 0x0e, 0x83, 0x2c, 0x01, 0x8b, 0x2c, 0x06, + 0x86, 0x2c, 0x00, 0x82, 0x70, 0x00, 0x87, 0x70, + 0x01, 0x81, 0x70, 0x01, 0x95, 0x70, 0x00, 0x86, + 0x70, 0x00, 0x81, 0x70, 0x00, 0x84, 0x70, 0x01, + 0x88, 0x70, 0x01, 0x81, 0x70, 0x01, 0x82, 0x70, + 0x06, 0x82, 0x70, 0x03, 0x81, 0x70, 0x00, 0x84, + 0x70, 0x01, 0x91, 0x70, 0x09, 0x81, 0x8e, 0x00, + 0x85, 0x8e, 0x02, 0x82, 0x8e, 0x00, 0x83, 0x8e, + 0x02, 0x81, 0x8e, 0x00, 0x80, 0x8e, 0x00, 0x81, + 0x8e, 0x02, 0x81, 0x8e, 0x02, 0x82, 0x8e, 0x02, + 0x8b, 0x8e, 0x03, 0x84, 0x8e, 0x02, 0x82, 0x8e, + 0x00, 0x83, 0x8e, 0x01, 0x80, 0x8e, 0x05, 0x80, + 0x8e, 0x0d, 0x94, 0x8e, 0x04, 0x8c, 0x90, 0x00, + 0x82, 0x90, 0x00, 0x96, 0x90, 0x00, 0x8f, 0x90, + 0x02, 0x87, 0x90, 0x00, 0x82, 0x90, 0x00, 0x83, + 0x90, 0x06, 0x81, 0x90, 0x00, 0x82, 0x90, 0x04, + 0x83, 0x90, 0x01, 0x89, 0x90, 0x06, 0x88, 0x90, + 0x8c, 0x3c, 0x00, 0x82, 0x3c, 0x00, 0x96, 0x3c, + 0x00, 0x89, 0x3c, 0x00, 0x84, 0x3c, 0x01, 0x88, + 0x3c, 0x00, 0x82, 0x3c, 0x00, 0x83, 0x3c, 0x06, + 0x81, 0x3c, 0x06, 0x80, 0x3c, 0x00, 0x83, 0x3c, + 0x01, 0x89, 0x3c, 0x00, 0x81, 0x3c, 0x0c, 0x8c, + 0x4f, 0x00, 0x82, 0x4f, 0x00, 0xb2, 0x4f, 0x00, + 0x82, 0x4f, 0x00, 0x85, 0x4f, 0x03, 0x8f, 0x4f, + 0x01, 0x99, 0x4f, 0x00, 0x82, 0x81, 0x00, 0x91, + 0x81, 0x02, 0x97, 0x81, 0x00, 0x88, 0x81, 0x00, + 0x80, 0x81, 0x01, 0x86, 0x81, 0x02, 0x80, 0x81, + 0x03, 0x85, 0x81, 0x00, 0x80, 0x81, 0x00, 0x87, + 0x81, 0x05, 0x89, 0x81, 0x01, 0x82, 0x81, 0x0b, + 0xb9, 0x92, 0x03, 0x80, 0x19, 0x9b, 0x92, 0x24, + 0x81, 0x44, 0x00, 0x80, 0x44, 0x00, 0x84, 0x44, + 0x00, 0x97, 0x44, 0x00, 0x80, 0x44, 0x00, 0x96, + 0x44, 0x01, 0x84, 0x44, 0x00, 0x80, 0x44, 0x00, + 0x85, 0x44, 0x01, 0x89, 0x44, 0x01, 0x83, 0x44, + 0x1f, 0xc7, 0x93, 0x00, 0xa3, 0x93, 0x03, 0xa6, + 0x93, 0x00, 0xa3, 0x93, 0x00, 0x8e, 0x93, 0x00, + 0x86, 0x93, 0x83, 0x19, 0x81, 0x93, 0x24, 0xe0, + 0x3f, 0x5e, 0xa5, 0x27, 0x00, 0x80, 0x27, 0x04, + 0x80, 0x27, 0x01, 0xaa, 0x27, 0x80, 0x19, 0x83, + 0x27, 0xe0, 0x9f, 0x30, 0xc8, 0x26, 0x00, 0x83, + 0x26, 0x01, 0x86, 0x26, 0x00, 0x80, 0x26, 0x00, + 0x83, 0x26, 0x01, 0xa8, 0x26, 0x00, 0x83, 0x26, + 0x01, 0xa0, 0x26, 0x00, 0x83, 0x26, 0x01, 0x86, + 0x26, 0x00, 0x80, 0x26, 0x00, 0x83, 0x26, 0x01, + 0x8e, 0x26, 0x00, 0xb8, 0x26, 0x00, 0x83, 0x26, + 0x01, 0xc2, 0x26, 0x01, 0x9f, 0x26, 0x02, 0x99, + 0x26, 0x05, 0xd5, 0x17, 0x01, 0x85, 0x17, 0x01, + 0xe2, 0x1f, 0x12, 0x9c, 0x66, 0x02, 0xca, 0x7a, + 0x82, 0x19, 0x8a, 0x7a, 0x06, 0x8c, 0x88, 0x00, + 0x86, 0x88, 0x0a, 0x94, 0x32, 0x81, 0x19, 0x08, + 0x93, 0x11, 0x0b, 0x8c, 0x89, 0x00, 0x82, 0x89, + 0x00, 0x81, 0x89, 0x0b, 0xdd, 0x40, 0x01, 0x89, + 0x40, 0x05, 0x89, 0x40, 0x05, 0x81, 0x5b, 0x81, + 0x19, 0x80, 0x5b, 0x80, 0x19, 0x88, 0x5b, 0x00, + 0x89, 0x5b, 0x05, 0xd8, 0x5b, 0x06, 0xaa, 0x5b, + 0x04, 0xc5, 0x12, 0x09, 0x9e, 0x47, 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0x19, 0x0b, + 0x8d, 0x19, 0x01, 0x84, 0x19, 0x02, 0x82, 0x19, + 0x04, 0x86, 0x19, 0x08, 0x98, 0x19, 0x06, 0x86, + 0x19, 0x08, 0x82, 0x19, 0x0c, 0x86, 0x19, 0x28, + 0xe0, 0x32, 0x19, 0x00, 0xb6, 0x19, 0x24, 0x89, + 0x19, 0x63, 0xa5, 0xf0, 0x96, 0x7d, 0x2f, 0x21, + 0xef, 0xd4, 0x2f, 0x0a, 0xe0, 0x7d, 0x2f, 0x01, + 0xf0, 0x06, 0x21, 0x2f, 0x0d, 0xf0, 0x0c, 0xd0, + 0x2f, 0x6b, 0xbe, 0xe1, 0xbd, 0x2f, 0x65, 0x81, + 0xf0, 0x02, 0xea, 0x2f, 0x7a, 0xdc, 0x55, 0x80, + 0x19, 0x1d, 0xdf, 0x19, 0x60, 0x1f, 0xe0, 0x8f, + 0x37, +}; + +static const uint8_t unicode_script_ext_table[799] = { + 0x82, 0xc1, 0x00, 0x00, 0x01, 0x2b, 0x01, 0x00, + 0x00, 0x01, 0x2b, 0x1c, 0x00, 0x0c, 0x01, 0x45, + 0x80, 0x92, 0x00, 0x00, 0x02, 0x1d, 0x6b, 0x00, + 0x02, 0x1d, 0x28, 0x01, 0x02, 0x1d, 0x45, 0x00, + 0x02, 0x1d, 0x28, 0x81, 0x03, 0x00, 0x00, 0x05, + 0x04, 0x31, 0x87, 0x91, 0x9a, 0x0d, 0x00, 0x00, + 0x05, 0x04, 0x31, 0x87, 0x91, 0x9a, 0x00, 0x03, + 0x04, 0x87, 0x91, 0x01, 0x00, 0x00, 0x05, 0x04, + 0x31, 0x87, 0x91, 0x9a, 0x1f, 0x00, 0x00, 0x08, + 0x01, 0x04, 0x50, 0x51, 0x78, 0x31, 0x82, 0x87, + 0x09, 0x00, 0x0a, 0x02, 0x04, 0x87, 0x09, 0x00, + 0x09, 0x03, 0x04, 0x91, 0x9a, 0x05, 0x00, 0x00, + 0x02, 0x04, 0x87, 0x62, 0x00, 0x00, 0x02, 0x04, + 0x31, 0x81, 0xfb, 0x00, 0x00, 0x0d, 0x0b, 0x1f, + 0x2a, 0x2c, 0x2e, 0x3c, 0x45, 0x4f, 0x70, 0x7d, + 0x8e, 0x90, 0x95, 0x00, 0x0c, 0x0b, 0x1f, 0x2a, + 0x2c, 0x2e, 0x3c, 0x45, 0x4f, 0x70, 0x8e, 0x90, + 0x95, 0x10, 0x00, 0x00, 0x14, 0x0b, 0x1f, 0x21, + 0x2d, 0x53, 0x2a, 0x2c, 0x2e, 0x3c, 0x4e, 0x4f, + 0x60, 0x70, 0x43, 0x81, 0x86, 0x8d, 0x8e, 0x90, + 0x95, 0x00, 0x15, 0x0b, 0x1f, 0x21, 0x2d, 0x53, + 0x2a, 0x2c, 0x2e, 0x3c, 0x47, 0x4e, 0x4f, 0x60, + 0x70, 0x43, 0x81, 0x86, 0x8d, 0x8e, 0x90, 0x95, + 0x09, 0x04, 0x1f, 0x21, 0x3b, 0x4e, 0x75, 0x00, + 0x09, 0x03, 0x0b, 0x15, 0x86, 0x75, 0x00, 0x09, + 0x02, 0x2e, 0x5d, 0x75, 0x00, 0x09, 0x02, 0x2c, + 0x41, 0x80, 0x75, 0x00, 0x0d, 0x02, 0x2a, 0x8e, + 0x80, 0x71, 0x00, 0x09, 0x02, 0x3c, 0x60, 0x82, + 0xcf, 0x00, 0x09, 0x03, 0x15, 0x5e, 0x8a, 0x80, + 0x30, 0x00, 0x00, 0x02, 0x27, 0x45, 0x85, 0xb8, + 0x00, 0x01, 0x04, 0x11, 0x32, 0x89, 0x88, 0x80, + 0x4a, 0x00, 0x01, 0x02, 0x5b, 0x76, 0x00, 0x00, + 0x00, 0x02, 0x5b, 0x76, 0x84, 0x49, 0x00, 0x00, + 0x04, 0x0b, 0x1f, 0x2a, 0x3c, 0x00, 0x01, 0x1f, + 0x00, 0x04, 0x0b, 0x1f, 0x2a, 0x3c, 0x00, 0x02, + 0x1f, 0x2a, 0x00, 0x01, 0x1f, 0x01, 0x02, 0x0b, + 0x1f, 0x00, 0x02, 0x1f, 0x7d, 0x00, 0x02, 0x0b, + 0x1f, 0x00, 0x02, 0x1f, 0x7d, 0x00, 0x06, 0x1f, + 0x3c, 0x4f, 0x70, 0x8e, 0x90, 0x00, 0x01, 0x1f, + 0x01, 0x02, 0x1f, 0x7d, 0x01, 0x01, 0x1f, 0x00, + 0x02, 0x1f, 0x7d, 0x00, 0x02, 0x0b, 0x1f, 0x06, + 0x01, 0x1f, 0x00, 0x02, 0x1f, 0x60, 0x00, 0x02, + 0x0b, 0x1f, 0x01, 0x01, 0x1f, 0x00, 0x02, 0x0b, + 0x1f, 0x03, 0x01, 0x1f, 0x00, 0x08, 0x0b, 0x1f, + 0x2a, 0x3c, 0x60, 0x70, 0x90, 0x95, 0x00, 0x02, + 0x1f, 0x2a, 0x00, 0x03, 0x1f, 0x2a, 0x3c, 0x01, + 0x02, 0x0b, 0x1f, 0x00, 0x01, 0x0b, 0x01, 0x02, + 0x1f, 0x2a, 0x00, 0x01, 0x60, 0x80, 0x44, 0x00, + 0x01, 0x01, 0x2b, 0x35, 0x00, 0x00, 0x02, 0x1d, + 0x87, 0x81, 0xb5, 0x00, 0x00, 0x02, 0x45, 0x5b, + 0x80, 0x3f, 0x00, 0x00, 0x03, 0x1f, 0x2a, 0x45, + 0x8c, 0xd1, 0x00, 0x00, 0x02, 0x1d, 0x28, 0x81, + 0x3c, 0x00, 0x01, 0x06, 0x0d, 0x30, 0x2f, 0x35, + 0x3d, 0x9b, 0x00, 0x05, 0x0d, 0x30, 0x2f, 0x35, + 0x3d, 0x01, 0x00, 0x00, 0x01, 0x2f, 0x00, 0x00, + 0x09, 0x06, 0x0d, 0x30, 0x2f, 0x35, 0x3d, 0x9b, + 0x00, 0x00, 0x00, 0x05, 0x0d, 0x30, 0x2f, 0x35, + 0x3d, 0x07, 0x06, 0x0d, 0x30, 0x2f, 0x35, 0x3d, + 0x9b, 0x03, 0x05, 0x0d, 0x30, 0x2f, 0x35, 0x3d, + 0x09, 0x00, 0x03, 0x02, 0x0d, 0x2f, 0x01, 0x00, + 0x00, 0x05, 0x0d, 0x30, 0x2f, 0x35, 0x3d, 0x04, + 0x02, 0x35, 0x3d, 0x00, 0x00, 0x00, 0x05, 0x0d, + 0x30, 0x2f, 0x35, 0x3d, 0x03, 0x00, 0x01, 0x03, + 0x2f, 0x35, 0x3d, 0x01, 0x01, 0x2f, 0x58, 0x00, + 0x03, 0x02, 0x35, 0x3d, 0x02, 0x00, 0x00, 0x02, + 0x35, 0x3d, 0x59, 0x00, 0x00, 0x06, 0x0d, 0x30, + 0x2f, 0x35, 0x3d, 0x9b, 0x00, 0x02, 0x35, 0x3d, + 0x80, 0x12, 0x00, 0x0f, 0x01, 0x2f, 0x1f, 0x00, + 0x23, 0x01, 0x2f, 0x3b, 0x00, 0x27, 0x01, 0x2f, + 0x37, 0x00, 0x30, 0x01, 0x2f, 0x0e, 0x00, 0x0b, + 0x01, 0x2f, 0x32, 0x00, 0x00, 0x01, 0x2f, 0x57, + 0x00, 0x18, 0x01, 0x2f, 0x09, 0x00, 0x04, 0x01, + 0x2f, 0x5f, 0x00, 0x1e, 0x01, 0x2f, 0xc0, 0x31, + 0xef, 0x00, 0x00, 0x02, 0x1d, 0x28, 0x80, 0x0f, + 0x00, 0x07, 0x02, 0x2f, 0x45, 0x80, 0xa7, 0x00, + 0x02, 0x0e, 0x1f, 0x21, 0x2c, 0x2e, 0x41, 0x3c, + 0x3b, 0x4e, 0x4f, 0x5a, 0x60, 0x43, 0x8d, 0x95, + 0x02, 0x0d, 0x1f, 0x21, 0x2c, 0x2e, 0x41, 0x3c, + 0x3b, 0x4e, 0x5a, 0x60, 0x43, 0x8d, 0x95, 0x03, + 0x0b, 0x1f, 0x21, 0x2c, 0x2e, 0x41, 0x3b, 0x4e, + 0x5a, 0x43, 0x8d, 0x95, 0x80, 0x36, 0x00, 0x00, + 0x02, 0x0b, 0x1f, 0x00, 0x00, 0x00, 0x02, 0x1f, + 0x8e, 0x39, 0x00, 0x00, 0x03, 0x3e, 0x45, 0x5e, + 0x80, 0x1f, 0x00, 0x00, 0x02, 0x10, 0x3a, 0xc0, + 0x13, 0xa1, 0x00, 0x00, 0x02, 0x04, 0x91, 0x09, + 0x00, 0x00, 0x02, 0x04, 0x91, 0x46, 0x00, 0x01, + 0x05, 0x0d, 0x30, 0x2f, 0x35, 0x3d, 0x80, 0x99, + 0x00, 0x04, 0x06, 0x0d, 0x30, 0x2f, 0x35, 0x3d, + 0x9b, 0x09, 0x00, 0x00, 0x02, 0x35, 0x3d, 0x2c, + 0x00, 0x01, 0x02, 0x35, 0x3d, 0x80, 0xdf, 0x00, + 0x02, 0x02, 0x1c, 0x49, 0x03, 0x00, 0x2c, 0x03, + 0x1c, 0x48, 0x49, 0x02, 0x00, 0x08, 0x02, 0x1c, + 0x49, 0x81, 0x1f, 0x00, 0x1b, 0x02, 0x04, 0x1a, + 0x8f, 0x84, 0x00, 0x00, 0x02, 0x2a, 0x8e, 0x00, + 0x00, 0x00, 0x02, 0x2a, 0x8e, 0x36, 0x00, 0x01, + 0x02, 0x2a, 0x8e, 0x8c, 0x12, 0x00, 0x01, 0x02, + 0x2a, 0x8e, 0x00, 0x00, 0x00, 0x02, 0x2a, 0x8e, + 0xc0, 0x5c, 0x4b, 0x00, 0x03, 0x01, 0x22, 0x96, + 0x3b, 0x00, 0x11, 0x01, 0x2f, 0x9e, 0x5d, 0x00, + 0x01, 0x01, 0x2f, 0xce, 0xcd, 0x2d, 0x00, +}; + +static const uint8_t unicode_prop_Hyphen_table[28] = { + 0xac, 0x80, 0xfe, 0x80, 0x44, 0xdb, 0x80, 0x52, + 0x7a, 0x80, 0x48, 0x08, 0x81, 0x4e, 0x04, 0x80, + 0x42, 0xe2, 0x80, 0x60, 0xcd, 0x66, 0x80, 0x40, + 0xa8, 0x80, 0xd6, 0x80, +}; + +static const uint8_t unicode_prop_Other_Math_table[200] = { + 0xdd, 0x80, 0x43, 0x70, 0x11, 0x80, 0x99, 0x09, + 0x81, 0x5c, 0x1f, 0x80, 0x9a, 0x82, 0x8a, 0x80, + 0x9f, 0x83, 0x97, 0x81, 0x8d, 0x81, 0xc0, 0x8c, + 0x18, 0x11, 0x1c, 0x91, 0x03, 0x01, 0x89, 0x00, + 0x14, 0x28, 0x11, 0x09, 0x02, 0x05, 0x13, 0x24, + 0xca, 0x21, 0x18, 0x08, 0x08, 0x00, 0x21, 0x0b, + 0x0b, 0x91, 0x09, 0x00, 0x06, 0x00, 0x29, 0x41, + 0x21, 0x83, 0x40, 0xa7, 0x08, 0x80, 0x97, 0x80, + 0x90, 0x80, 0x41, 0xbc, 0x81, 0x8b, 0x88, 0x24, + 0x21, 0x09, 0x14, 0x8d, 0x00, 0x01, 0x85, 0x97, + 0x81, 0xb8, 0x00, 0x80, 0x9c, 0x83, 0x88, 0x81, + 0x41, 0x55, 0x81, 0x9e, 0x89, 0x41, 0x92, 0x95, + 0xbe, 0x83, 0x9f, 0x81, 0x60, 0xd4, 0x62, 0x00, + 0x03, 0x80, 0x40, 0xd2, 0x00, 0x80, 0x60, 0xd4, + 0xc0, 0xd4, 0x80, 0xc6, 0x01, 0x08, 0x09, 0x0b, + 0x80, 0x8b, 0x00, 0x06, 0x80, 0xc0, 0x03, 0x0f, + 0x06, 0x80, 0x9b, 0x03, 0x04, 0x00, 0x16, 0x80, + 0x41, 0x53, 0x81, 0x98, 0x80, 0x98, 0x80, 0x9e, + 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, 0x80, 0x9e, + 0x80, 0x98, 0x80, 0x9e, 0x80, 0x98, 0x07, 0x81, + 0xb1, 0x55, 0xff, 0x18, 0x9a, 0x01, 0x00, 0x08, + 0x80, 0x89, 0x03, 0x00, 0x00, 0x28, 0x18, 0x00, + 0x00, 0x02, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, + 0x00, 0x01, 0x00, 0x0b, 0x06, 0x03, 0x03, 0x00, + 0x80, 0x89, 0x80, 0x90, 0x22, 0x04, 0x80, 0x90, +}; + +static const uint8_t unicode_prop_Other_Alphabetic_table[411] = { + 0x43, 0x44, 0x80, 0x42, 0x69, 0x8d, 0x00, 0x01, + 0x01, 0x00, 0xc7, 0x8a, 0xaf, 0x8c, 0x06, 0x8f, + 0x80, 0xe4, 0x33, 0x19, 0x0b, 0x80, 0xa2, 0x80, + 0x9d, 0x8f, 0xe5, 0x8a, 0xe4, 0x0a, 0x88, 0x02, + 0x03, 0x40, 0xa6, 0x8b, 0x16, 0x85, 0x93, 0xb5, + 0x09, 0x8e, 0x01, 0x22, 0x89, 0x81, 0x9c, 0x82, + 0xb9, 0x31, 0x09, 0x81, 0x89, 0x80, 0x89, 0x81, + 0x9c, 0x82, 0xb9, 0x23, 0x09, 0x0b, 0x80, 0x9d, + 0x0a, 0x80, 0x8a, 0x82, 0xb9, 0x38, 0x10, 0x81, + 0x94, 0x81, 0x95, 0x13, 0x82, 0xb9, 0x31, 0x09, + 0x81, 0x88, 0x81, 0x89, 0x81, 0x9d, 0x80, 0xba, + 0x22, 0x10, 0x82, 0x89, 0x80, 0xa7, 0x83, 0xb9, + 0x30, 0x10, 0x17, 0x81, 0x8a, 0x81, 0x9c, 0x82, + 0xb9, 0x30, 0x10, 0x17, 0x81, 0x8a, 0x81, 0x9b, + 0x83, 0xb9, 0x30, 0x10, 0x82, 0x89, 0x80, 0x89, + 0x81, 0x9c, 0x82, 0xca, 0x28, 0x00, 0x87, 0x91, + 0x81, 0xbc, 0x01, 0x86, 0x91, 0x80, 0xe2, 0x01, + 0x28, 0x81, 0x8f, 0x80, 0x40, 0xa2, 0x90, 0x8a, + 0x8a, 0x80, 0xa3, 0xed, 0x8b, 0x00, 0x0b, 0x96, + 0x1b, 0x10, 0x11, 0x32, 0x83, 0x8c, 0x8b, 0x00, + 0x89, 0x83, 0x46, 0x73, 0x81, 0x9d, 0x81, 0x9d, + 0x81, 0x9d, 0x81, 0xc1, 0x92, 0x40, 0xbb, 0x81, + 0xa1, 0x80, 0xf5, 0x8b, 0x83, 0x88, 0x40, 0xdd, + 0x84, 0xb8, 0x89, 0x81, 0x93, 0xc9, 0x81, 0xbe, + 0x84, 0xaf, 0x8e, 0xbb, 0x82, 0x9d, 0x88, 0x09, + 0xb8, 0x8a, 0xb1, 0x92, 0x41, 0xaf, 0x8d, 0x46, + 0xc0, 0xb3, 0x48, 0xf5, 0x9f, 0x60, 0x78, 0x73, + 0x87, 0xa1, 0x81, 0x41, 0x61, 0x07, 0x80, 0x96, + 0x84, 0xd7, 0x81, 0xb1, 0x8f, 0x00, 0xb8, 0x80, + 0xa5, 0x84, 0x9b, 0x8b, 0xac, 0x83, 0xaf, 0x8b, + 0xa4, 0x80, 0xc2, 0x8d, 0x8b, 0x07, 0x81, 0xac, + 0x82, 0xb1, 0x00, 0x11, 0x0c, 0x80, 0xab, 0x24, + 0x80, 0x40, 0xec, 0x87, 0x60, 0x4f, 0x32, 0x80, + 0x48, 0x56, 0x84, 0x46, 0x85, 0x10, 0x0c, 0x83, + 0x43, 0x13, 0x83, 0x41, 0x82, 0x81, 0x41, 0x52, + 0x82, 0xb4, 0x8d, 0xbb, 0x80, 0xac, 0x88, 0xc6, + 0x82, 0xa3, 0x8b, 0x91, 0x81, 0xb8, 0x82, 0xaf, + 0x8c, 0x8d, 0x81, 0xdb, 0x88, 0x08, 0x28, 0x40, + 0x9f, 0x89, 0x96, 0x83, 0xb9, 0x31, 0x09, 0x81, + 0x89, 0x80, 0x89, 0x81, 0x40, 0xd0, 0x8c, 0x02, + 0xe9, 0x91, 0x40, 0xec, 0x31, 0x86, 0x9c, 0x81, + 0xd1, 0x8e, 0x00, 0xe9, 0x8a, 0xe6, 0x8d, 0x41, + 0x00, 0x8c, 0x40, 0xf6, 0x28, 0x09, 0x0a, 0x00, + 0x80, 0x40, 0x8d, 0x31, 0x2b, 0x80, 0x9b, 0x89, + 0xa9, 0x20, 0x83, 0x91, 0x8a, 0xad, 0x8d, 0x41, + 0x96, 0x38, 0x86, 0xd2, 0x95, 0x80, 0x8d, 0xf9, + 0x2a, 0x00, 0x08, 0x10, 0x02, 0x80, 0xc1, 0x20, + 0x08, 0x83, 0x41, 0x5b, 0x83, 0x60, 0x50, 0x57, + 0x00, 0xb6, 0x33, 0xdc, 0x81, 0x60, 0x4c, 0xab, + 0x80, 0x60, 0x23, 0x60, 0x30, 0x90, 0x0e, 0x01, + 0x04, 0x49, 0x1b, 0x80, 0x47, 0xe7, 0x99, 0x85, + 0x99, 0x85, 0x99, +}; + +static const uint8_t unicode_prop_Other_Lowercase_table[51] = { + 0x40, 0xa9, 0x80, 0x8e, 0x80, 0x41, 0xf4, 0x88, + 0x31, 0x9d, 0x84, 0xdf, 0x80, 0xb3, 0x80, 0x59, + 0xb0, 0xbe, 0x8c, 0x80, 0xa1, 0xa4, 0x42, 0xb0, + 0x80, 0x8c, 0x80, 0x8f, 0x8c, 0x40, 0xd2, 0x8f, + 0x43, 0x4f, 0x99, 0x47, 0x91, 0x81, 0x60, 0x7a, + 0x1d, 0x81, 0x40, 0xd1, 0x80, 0x40, 0x86, 0x81, + 0x43, 0x61, 0x83, +}; + +static const uint8_t unicode_prop_Other_Uppercase_table[15] = { + 0x60, 0x21, 0x5f, 0x8f, 0x43, 0x45, 0x99, 0x61, + 0xcc, 0x5f, 0x99, 0x85, 0x99, 0x85, 0x99, +}; + +static const uint8_t unicode_prop_Other_Grapheme_Extend_table[65] = { + 0x49, 0xbd, 0x80, 0x97, 0x80, 0x41, 0x65, 0x80, + 0x97, 0x80, 0xe5, 0x80, 0x97, 0x80, 0x40, 0xe9, + 0x80, 0x91, 0x81, 0xe6, 0x80, 0x97, 0x80, 0xf6, + 0x80, 0x8e, 0x80, 0x4d, 0x54, 0x80, 0x44, 0xd5, + 0x80, 0x50, 0x20, 0x81, 0x60, 0xcf, 0x6d, 0x81, + 0x53, 0x9d, 0x80, 0x97, 0x80, 0x41, 0x57, 0x80, + 0x8b, 0x80, 0x40, 0xf0, 0x80, 0x43, 0x7f, 0x80, + 0x60, 0xb8, 0x33, 0x07, 0x84, 0x6c, 0x2e, 0xac, + 0xdf, +}; + +static const uint8_t unicode_prop_Other_Default_Ignorable_Code_Point_table[32] = { + 0x43, 0x4e, 0x80, 0x4e, 0x0e, 0x81, 0x46, 0x52, + 0x81, 0x48, 0xae, 0x80, 0x50, 0xfd, 0x80, 0x60, + 0xce, 0x3a, 0x80, 0xce, 0x88, 0x6d, 0x00, 0x06, + 0x00, 0x9d, 0xdf, 0xff, 0x40, 0xef, 0x4e, 0x0f, +}; + +static const uint8_t unicode_prop_Other_ID_Start_table[11] = { + 0x58, 0x84, 0x81, 0x48, 0x90, 0x80, 0x94, 0x80, + 0x4f, 0x6b, 0x81, +}; + +static const uint8_t unicode_prop_Other_ID_Continue_table[12] = { + 0x40, 0xb6, 0x80, 0x42, 0xce, 0x80, 0x4f, 0xe0, + 0x88, 0x46, 0x67, 0x80, +}; + +static const uint8_t unicode_prop_Prepended_Concatenation_Mark_table[17] = { + 0x45, 0xff, 0x85, 0x40, 0xd6, 0x80, 0xb0, 0x80, + 0x41, 0xd1, 0x80, 0x61, 0x07, 0xd9, 0x80, 0x8e, + 0x80, +}; + +static const uint8_t unicode_prop_XID_Start1_table[31] = { + 0x43, 0x79, 0x80, 0x4a, 0xb7, 0x80, 0xfe, 0x80, + 0x60, 0x21, 0xe6, 0x81, 0x60, 0xcb, 0xc0, 0x85, + 0x41, 0x95, 0x81, 0xf3, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x80, 0x41, 0x1e, 0x81, +}; + +static const uint8_t unicode_prop_XID_Continue1_table[23] = { + 0x43, 0x79, 0x80, 0x60, 0x2d, 0x1f, 0x81, 0x60, + 0xcb, 0xc0, 0x85, 0x41, 0x95, 0x81, 0xf3, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, +}; + +static const uint8_t unicode_prop_Changes_When_Titlecased1_table[22] = { + 0x41, 0xc3, 0x08, 0x08, 0x81, 0xa4, 0x81, 0x4e, + 0xdc, 0xaa, 0x0a, 0x4e, 0x87, 0x3f, 0x3f, 0x87, + 0x8b, 0x80, 0x8e, 0x80, 0xae, 0x80, +}; + +static const uint8_t unicode_prop_Changes_When_Casefolded1_table[33] = { + 0x40, 0xde, 0x80, 0xcf, 0x80, 0x97, 0x80, 0x44, + 0x3c, 0x80, 0x59, 0x11, 0x80, 0x40, 0xe4, 0x3f, + 0x3f, 0x87, 0x89, 0x11, 0x05, 0x02, 0x11, 0x80, + 0xa9, 0x11, 0x80, 0x60, 0xdb, 0x07, 0x86, 0x8b, + 0x84, +}; + +static const uint8_t unicode_prop_Changes_When_NFKC_Casefolded1_table[441] = { + 0x40, 0x9f, 0x06, 0x00, 0x01, 0x00, 0x01, 0x12, + 0x10, 0x82, 0x9f, 0x80, 0xcf, 0x01, 0x80, 0x8b, + 0x07, 0x80, 0xfb, 0x01, 0x01, 0x80, 0xa5, 0x80, + 0x40, 0xbb, 0x88, 0x9e, 0x29, 0x84, 0xda, 0x08, + 0x81, 0x89, 0x80, 0xa3, 0x04, 0x02, 0x04, 0x08, + 0x80, 0xc9, 0x82, 0x9c, 0x80, 0x41, 0x93, 0x80, + 0x40, 0x93, 0x80, 0xd7, 0x83, 0x42, 0xde, 0x87, + 0xfb, 0x08, 0x80, 0xd2, 0x01, 0x80, 0xa1, 0x11, + 0x80, 0x40, 0xfc, 0x81, 0x42, 0xd4, 0x80, 0xfe, + 0x80, 0xa7, 0x81, 0xad, 0x80, 0xb5, 0x80, 0x88, + 0x03, 0x03, 0x03, 0x80, 0x8b, 0x80, 0x88, 0x00, + 0x26, 0x80, 0x90, 0x80, 0x88, 0x03, 0x03, 0x03, + 0x80, 0x8b, 0x80, 0x41, 0x41, 0x80, 0xe1, 0x81, + 0x46, 0x52, 0x81, 0xd4, 0x83, 0x45, 0x1c, 0x10, + 0x8a, 0x80, 0x91, 0x80, 0x9b, 0x8c, 0x80, 0xa1, + 0xa4, 0x40, 0xd9, 0x80, 0x40, 0xd5, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x3f, 0x3f, 0x87, + 0x89, 0x11, 0x04, 0x00, 0x29, 0x04, 0x12, 0x80, + 0x88, 0x12, 0x80, 0x88, 0x11, 0x11, 0x04, 0x08, + 0x8f, 0x00, 0x20, 0x8b, 0x12, 0x2a, 0x08, 0x0b, + 0x00, 0x07, 0x82, 0x8c, 0x06, 0x92, 0x81, 0x9a, + 0x80, 0x8c, 0x8a, 0x80, 0xd6, 0x18, 0x10, 0x8a, + 0x01, 0x0c, 0x0a, 0x00, 0x10, 0x11, 0x02, 0x06, + 0x05, 0x1c, 0x85, 0x8f, 0x8f, 0x8f, 0x88, 0x80, + 0x40, 0xa1, 0x08, 0x81, 0x40, 0xf7, 0x81, 0x41, + 0x34, 0xd5, 0x99, 0x9a, 0x45, 0x20, 0x80, 0xe6, + 0x82, 0xe4, 0x80, 0x41, 0x9e, 0x81, 0x40, 0xf0, + 0x80, 0x41, 0x2e, 0x80, 0xd2, 0x80, 0x8b, 0x40, + 0xd5, 0xa9, 0x80, 0xb4, 0x00, 0x82, 0xdf, 0x09, + 0x80, 0xde, 0x80, 0xb0, 0xdd, 0x82, 0x8d, 0xdf, + 0x9e, 0x80, 0xa7, 0x87, 0xae, 0x80, 0x41, 0x7f, + 0x60, 0x72, 0x9b, 0x81, 0x40, 0xd1, 0x80, 0x40, + 0x86, 0x81, 0x43, 0x61, 0x83, 0x88, 0x80, 0x60, + 0x4d, 0x95, 0x41, 0x0d, 0x08, 0x00, 0x81, 0x89, + 0x00, 0x00, 0x09, 0x82, 0xc3, 0x81, 0xe9, 0xa5, + 0x86, 0x8b, 0x24, 0x00, 0x97, 0x04, 0x00, 0x01, + 0x01, 0x80, 0xeb, 0xa0, 0x41, 0x6a, 0x91, 0xbf, + 0x81, 0xb5, 0xa7, 0x8c, 0x82, 0x99, 0x95, 0x94, + 0x81, 0x8b, 0x80, 0x92, 0x03, 0x1a, 0x00, 0x80, + 0x40, 0x86, 0x08, 0x80, 0x9f, 0x99, 0x40, 0x83, + 0x15, 0x0d, 0x0d, 0x0a, 0x16, 0x06, 0x80, 0x88, + 0x60, 0xbc, 0xa6, 0x83, 0x54, 0xb9, 0x86, 0x8d, + 0x87, 0xbf, 0x85, 0x42, 0x3e, 0xd4, 0x80, 0xc6, + 0x01, 0x08, 0x09, 0x0b, 0x80, 0x8b, 0x00, 0x06, + 0x80, 0xc0, 0x03, 0x0f, 0x06, 0x80, 0x9b, 0x03, + 0x04, 0x00, 0x16, 0x80, 0x41, 0x53, 0x81, 0x41, + 0x23, 0x81, 0xb1, 0x55, 0xff, 0x18, 0x9a, 0x01, + 0x00, 0x08, 0x80, 0x89, 0x03, 0x00, 0x00, 0x28, + 0x18, 0x00, 0x00, 0x02, 0x01, 0x00, 0x08, 0x00, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x0b, 0x06, 0x03, + 0x03, 0x00, 0x80, 0x89, 0x80, 0x90, 0x22, 0x04, + 0x80, 0x90, 0x42, 0x43, 0x8a, 0x84, 0x9e, 0x80, + 0x9f, 0x99, 0x82, 0xa2, 0x80, 0xee, 0x82, 0x8c, + 0xab, 0x83, 0x88, 0x31, 0x49, 0x9d, 0x89, 0x60, + 0xfc, 0x05, 0x42, 0x1d, 0x6b, 0x05, 0xe1, 0x4f, + 0xff, +}; + +static const uint8_t unicode_prop_ASCII_Hex_Digit_table[5] = { + 0xaf, 0x89, 0x35, 0x99, 0x85, +}; + +static const uint8_t unicode_prop_Bidi_Control_table[10] = { + 0x46, 0x1b, 0x80, 0x59, 0xf0, 0x81, 0x99, 0x84, + 0xb6, 0x83, +}; + +static const uint8_t unicode_prop_Dash_table[53] = { + 0xac, 0x80, 0x45, 0x5b, 0x80, 0xb2, 0x80, 0x4e, + 0x40, 0x80, 0x44, 0x04, 0x80, 0x48, 0x08, 0x85, + 0xbc, 0x80, 0xa6, 0x80, 0x8e, 0x80, 0x41, 0x85, + 0x80, 0x4c, 0x03, 0x01, 0x80, 0x9e, 0x0b, 0x80, + 0x41, 0xda, 0x80, 0x92, 0x80, 0xee, 0x80, 0x60, + 0xcd, 0x8f, 0x81, 0xa4, 0x80, 0x89, 0x80, 0x40, + 0xa8, 0x80, 0x4f, 0x9e, 0x80, +}; + +static const uint8_t unicode_prop_Deprecated_table[23] = { + 0x41, 0x48, 0x80, 0x45, 0x28, 0x80, 0x49, 0x02, + 0x00, 0x80, 0x48, 0x28, 0x81, 0x48, 0xc4, 0x85, + 0x42, 0xb8, 0x81, 0x6d, 0xdc, 0xd5, 0x80, +}; + +static const uint8_t unicode_prop_Diacritic_table[358] = { + 0xdd, 0x00, 0x80, 0xc6, 0x05, 0x03, 0x01, 0x81, + 0x41, 0xf6, 0x40, 0x9e, 0x07, 0x25, 0x90, 0x0b, + 0x80, 0x88, 0x81, 0x40, 0xfc, 0x84, 0x40, 0xd0, + 0x80, 0xb6, 0x90, 0x80, 0x9a, 0x00, 0x01, 0x00, + 0x40, 0x85, 0x3b, 0x81, 0x40, 0x85, 0x0b, 0x0a, + 0x82, 0xc2, 0x9a, 0xda, 0x8a, 0xb9, 0x8a, 0xa1, + 0x81, 0x40, 0xc8, 0x9b, 0xbc, 0x80, 0x8f, 0x02, + 0x83, 0x9b, 0x80, 0xc9, 0x80, 0x8f, 0x80, 0xed, + 0x80, 0x8f, 0x80, 0xed, 0x80, 0x8f, 0x80, 0xae, + 0x82, 0xbb, 0x80, 0x8f, 0x06, 0x80, 0xf6, 0x80, + 0xfe, 0x80, 0xed, 0x80, 0x8f, 0x80, 0xec, 0x81, + 0x8f, 0x80, 0xfb, 0x80, 0xfb, 0x28, 0x80, 0xea, + 0x80, 0x8c, 0x84, 0xca, 0x81, 0x9a, 0x00, 0x00, + 0x03, 0x81, 0xc1, 0x10, 0x81, 0xbd, 0x80, 0xef, + 0x00, 0x81, 0xa7, 0x0b, 0x84, 0x98, 0x30, 0x80, + 0x89, 0x81, 0x42, 0xc0, 0x82, 0x44, 0x68, 0x8a, + 0x88, 0x80, 0x41, 0x5a, 0x82, 0x41, 0x38, 0x39, + 0x80, 0xaf, 0x8d, 0xf5, 0x80, 0x8e, 0x80, 0xa5, + 0x88, 0xb5, 0x81, 0x40, 0x89, 0x81, 0xbf, 0x85, + 0xd1, 0x98, 0x18, 0x28, 0x0a, 0xb1, 0xbe, 0xd8, + 0x8b, 0xa4, 0x22, 0x82, 0x41, 0xbc, 0x00, 0x82, + 0x8a, 0x82, 0x8c, 0x82, 0x8c, 0x82, 0x8c, 0x81, + 0x4c, 0xef, 0x82, 0x41, 0x3c, 0x80, 0x41, 0xf9, + 0x85, 0xe8, 0x83, 0xde, 0x80, 0x60, 0x75, 0x71, + 0x80, 0x8b, 0x08, 0x80, 0x9b, 0x81, 0xd1, 0x81, + 0x8d, 0xa1, 0xe5, 0x82, 0xec, 0x81, 0x40, 0xc9, + 0x80, 0x9a, 0x91, 0xb8, 0x83, 0xa3, 0x80, 0xde, + 0x80, 0x8b, 0x80, 0xa3, 0x80, 0x40, 0x94, 0x82, + 0xc0, 0x83, 0xb2, 0x80, 0xe3, 0x84, 0x88, 0x82, + 0xff, 0x81, 0x60, 0x4f, 0x2f, 0x80, 0x43, 0x00, + 0x8f, 0x41, 0x0d, 0x00, 0x80, 0xae, 0x80, 0xac, + 0x81, 0xc2, 0x80, 0x42, 0xfb, 0x80, 0x48, 0x03, + 0x81, 0x42, 0x3a, 0x85, 0x42, 0x1d, 0x8a, 0x41, + 0x67, 0x81, 0xf7, 0x81, 0xbd, 0x80, 0xcb, 0x80, + 0x88, 0x82, 0xe7, 0x81, 0x40, 0xb1, 0x81, 0xd0, + 0x80, 0x8f, 0x80, 0x97, 0x32, 0x84, 0x40, 0xcc, + 0x02, 0x80, 0xfa, 0x81, 0x40, 0xfa, 0x81, 0xfd, + 0x80, 0xf5, 0x81, 0xf2, 0x80, 0x41, 0x0c, 0x81, + 0x41, 0x01, 0x0b, 0x80, 0x40, 0x9b, 0x80, 0xd2, + 0x80, 0x91, 0x80, 0xd0, 0x80, 0x41, 0xa4, 0x80, + 0x41, 0x01, 0x00, 0x81, 0xd0, 0x80, 0x60, 0x4d, + 0x57, 0x84, 0xba, 0x86, 0x44, 0x57, 0x90, 0xcf, + 0x81, 0x60, 0x61, 0x74, 0x12, 0x2f, 0x39, 0x86, + 0x9d, 0x83, 0x4f, 0x81, 0x86, 0x41, 0xb4, 0x83, + 0x45, 0xdf, 0x86, 0xec, 0x10, 0x82, +}; + +static const uint8_t unicode_prop_Extender_table[89] = { + 0x40, 0xb6, 0x80, 0x42, 0x17, 0x81, 0x43, 0x6d, + 0x80, 0x41, 0xb8, 0x80, 0x43, 0x59, 0x80, 0x42, + 0xef, 0x80, 0xfe, 0x80, 0x49, 0x42, 0x80, 0xb7, + 0x80, 0x42, 0x62, 0x80, 0x41, 0x8d, 0x80, 0xc3, + 0x80, 0x53, 0x88, 0x80, 0xaa, 0x84, 0xe6, 0x81, + 0xdc, 0x82, 0x60, 0x6f, 0x15, 0x80, 0x45, 0xf5, + 0x80, 0x43, 0xc1, 0x80, 0x95, 0x80, 0x40, 0x88, + 0x80, 0xeb, 0x80, 0x94, 0x81, 0x60, 0x54, 0x7a, + 0x80, 0x53, 0xeb, 0x80, 0x42, 0x67, 0x82, 0x44, + 0xce, 0x80, 0x60, 0x50, 0xa8, 0x81, 0x44, 0x9b, + 0x08, 0x80, 0x60, 0x71, 0x57, 0x81, 0x48, 0x05, + 0x82, +}; + +static const uint8_t unicode_prop_Hex_Digit_table[12] = { + 0xaf, 0x89, 0x35, 0x99, 0x85, 0x60, 0xfe, 0xa8, + 0x89, 0x35, 0x99, 0x85, +}; + +static const uint8_t unicode_prop_IDS_Binary_Operator_table[5] = { + 0x60, 0x2f, 0xef, 0x09, 0x87, +}; + +static const uint8_t unicode_prop_IDS_Trinary_Operator_table[4] = { + 0x60, 0x2f, 0xf1, 0x81, +}; + +static const uint8_t unicode_prop_Ideographic_table[66] = { + 0x60, 0x30, 0x05, 0x81, 0x98, 0x88, 0x8d, 0x82, + 0x43, 0xc4, 0x59, 0xbf, 0xbf, 0x60, 0x51, 0xfc, + 0x60, 0x59, 0x02, 0x41, 0x6d, 0x81, 0xe9, 0x60, + 0x75, 0x09, 0x80, 0x9a, 0x57, 0xf7, 0x87, 0x44, + 0xd5, 0xa9, 0x88, 0x60, 0x24, 0x66, 0x41, 0x8b, + 0x60, 0x4d, 0x03, 0x60, 0xa6, 0xdd, 0xa1, 0x50, + 0x34, 0x8a, 0x40, 0xdd, 0x81, 0x56, 0x81, 0x8d, + 0x5d, 0x30, 0x4c, 0x1e, 0x42, 0x1d, 0x45, 0xe1, + 0x53, 0x4a, +}; + +static const uint8_t unicode_prop_Join_Control_table[4] = { + 0x60, 0x20, 0x0b, 0x81, +}; + +static const uint8_t unicode_prop_Logical_Order_Exception_table[15] = { + 0x4e, 0x3f, 0x84, 0xfa, 0x84, 0x4a, 0xef, 0x11, + 0x80, 0x60, 0x90, 0xf9, 0x09, 0x00, 0x81, +}; + +static const uint8_t unicode_prop_Noncharacter_Code_Point_table[71] = { + 0x60, 0xfd, 0xcf, 0x9f, 0x42, 0x0d, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, 0x60, + 0xff, 0xfd, 0x81, 0x60, 0xff, 0xfd, 0x81, +}; + +static const uint8_t unicode_prop_Pattern_Syntax_table[58] = { + 0xa0, 0x8e, 0x89, 0x86, 0x99, 0x18, 0x80, 0x99, + 0x83, 0xa1, 0x30, 0x00, 0x08, 0x00, 0x0b, 0x03, + 0x02, 0x80, 0x96, 0x80, 0x9e, 0x80, 0x5f, 0x17, + 0x97, 0x87, 0x8e, 0x81, 0x92, 0x80, 0x89, 0x41, + 0x30, 0x42, 0xcf, 0x40, 0x9f, 0x42, 0x75, 0x9d, + 0x44, 0x6b, 0x41, 0xff, 0xff, 0x41, 0x80, 0x13, + 0x98, 0x8e, 0x80, 0x60, 0xcd, 0x0c, 0x81, 0x41, + 0x04, 0x81, +}; + +static const uint8_t unicode_prop_Pattern_White_Space_table[11] = { + 0x88, 0x84, 0x91, 0x80, 0xe3, 0x80, 0x5f, 0x87, + 0x81, 0x97, 0x81, +}; + +static const uint8_t unicode_prop_Quotation_Mark_table[31] = { + 0xa1, 0x03, 0x80, 0x40, 0x82, 0x80, 0x8e, 0x80, + 0x5f, 0x5b, 0x87, 0x98, 0x81, 0x4e, 0x06, 0x80, + 0x41, 0xc8, 0x83, 0x8c, 0x82, 0x60, 0xce, 0x20, + 0x83, 0x40, 0xbc, 0x03, 0x80, 0xd9, 0x81, +}; + +static const uint8_t unicode_prop_Radical_table[9] = { + 0x60, 0x2e, 0x7f, 0x99, 0x80, 0xd8, 0x8b, 0x40, + 0xd5, +}; + +static const uint8_t unicode_prop_Regional_Indicator_table[4] = { + 0x61, 0xf1, 0xe5, 0x99, +}; + +static const uint8_t unicode_prop_Sentence_Terminal_table[188] = { + 0xa0, 0x80, 0x8b, 0x80, 0x8f, 0x80, 0x45, 0x48, + 0x80, 0x40, 0x93, 0x81, 0x40, 0xb3, 0x80, 0xaa, + 0x82, 0x40, 0xf5, 0x80, 0xbc, 0x00, 0x02, 0x81, + 0x41, 0x24, 0x81, 0x46, 0xe3, 0x81, 0x43, 0x15, + 0x03, 0x81, 0x43, 0x04, 0x80, 0x40, 0xc5, 0x81, + 0x40, 0xcb, 0x04, 0x80, 0x41, 0x39, 0x81, 0x41, + 0x61, 0x83, 0x40, 0xad, 0x09, 0x81, 0x40, 0xda, + 0x81, 0xc0, 0x81, 0x43, 0xbb, 0x81, 0x88, 0x82, + 0x4d, 0xe3, 0x80, 0x8c, 0x80, 0x41, 0xc4, 0x80, + 0x60, 0x74, 0xfb, 0x80, 0x41, 0x0d, 0x81, 0x40, + 0xe2, 0x02, 0x80, 0x41, 0x7d, 0x81, 0xd5, 0x81, + 0xde, 0x80, 0x40, 0x97, 0x81, 0x40, 0x92, 0x82, + 0x40, 0x8f, 0x81, 0x40, 0xf8, 0x80, 0x60, 0x52, + 0x65, 0x02, 0x81, 0x40, 0xa8, 0x80, 0x8b, 0x80, + 0x8f, 0x80, 0xc0, 0x80, 0x4a, 0xf3, 0x81, 0x44, + 0xfc, 0x84, 0x40, 0xec, 0x81, 0xf4, 0x83, 0xfe, + 0x82, 0x40, 0x80, 0x0d, 0x80, 0x8f, 0x81, 0xd7, + 0x08, 0x81, 0xeb, 0x80, 0x41, 0xa0, 0x81, 0x41, + 0x74, 0x0c, 0x8e, 0xe8, 0x81, 0x40, 0xf8, 0x82, + 0x42, 0x04, 0x00, 0x80, 0x40, 0xfa, 0x81, 0xd6, + 0x81, 0x41, 0xa3, 0x81, 0x42, 0xb3, 0x81, 0x60, + 0x4b, 0x74, 0x81, 0x40, 0x84, 0x80, 0xc0, 0x81, + 0x8a, 0x80, 0x43, 0x52, 0x80, 0x60, 0x4e, 0x05, + 0x80, 0x5d, 0xe7, 0x80, +}; + +static const uint8_t unicode_prop_Soft_Dotted_table[71] = { + 0xe8, 0x81, 0x40, 0xc3, 0x80, 0x41, 0x18, 0x80, + 0x9d, 0x80, 0xb3, 0x80, 0x93, 0x80, 0x41, 0x3f, + 0x80, 0xe1, 0x00, 0x80, 0x59, 0x08, 0x80, 0xb2, + 0x80, 0x8c, 0x02, 0x80, 0x40, 0x83, 0x80, 0x40, + 0x9c, 0x80, 0x41, 0xa4, 0x80, 0x40, 0xd5, 0x81, + 0x4b, 0x31, 0x80, 0x61, 0xa7, 0xa4, 0x81, 0xb1, + 0x81, 0xb1, 0x81, 0xb1, 0x81, 0xb1, 0x81, 0xb1, + 0x81, 0xb1, 0x81, 0xb1, 0x81, 0xb1, 0x81, 0xb1, + 0x81, 0xb1, 0x81, 0xb1, 0x81, 0xb1, 0x81, +}; + +static const uint8_t unicode_prop_Terminal_Punctuation_table[241] = { + 0xa0, 0x80, 0x89, 0x00, 0x80, 0x8a, 0x0a, 0x80, + 0x43, 0x3d, 0x07, 0x80, 0x42, 0x00, 0x80, 0xb8, + 0x80, 0xc7, 0x80, 0x8d, 0x01, 0x81, 0x40, 0xb3, + 0x80, 0xaa, 0x8a, 0x00, 0x40, 0xea, 0x81, 0xb5, + 0x8e, 0x9e, 0x80, 0x41, 0x04, 0x81, 0x44, 0xf3, + 0x81, 0x40, 0xab, 0x03, 0x85, 0x41, 0x36, 0x81, + 0x43, 0x14, 0x87, 0x43, 0x04, 0x80, 0xfb, 0x82, + 0xc6, 0x81, 0x40, 0x9c, 0x12, 0x80, 0xa6, 0x19, + 0x81, 0x41, 0x39, 0x81, 0x41, 0x61, 0x83, 0x40, + 0xad, 0x08, 0x82, 0x40, 0xda, 0x84, 0xbd, 0x81, + 0x43, 0xbb, 0x81, 0x88, 0x82, 0x4d, 0xe3, 0x80, + 0x8c, 0x03, 0x80, 0x89, 0x00, 0x81, 0x41, 0xb0, + 0x81, 0x60, 0x74, 0xfa, 0x81, 0x41, 0x0c, 0x82, + 0x40, 0xe2, 0x84, 0x41, 0x7d, 0x81, 0xd5, 0x81, + 0xde, 0x80, 0x40, 0x96, 0x82, 0x40, 0x92, 0x82, + 0xfe, 0x80, 0x8f, 0x81, 0x40, 0xf8, 0x80, 0x60, + 0x52, 0x63, 0x10, 0x83, 0x40, 0xa8, 0x80, 0x89, + 0x00, 0x80, 0x8a, 0x0a, 0x80, 0xc0, 0x01, 0x80, + 0x44, 0x39, 0x80, 0xaf, 0x80, 0x44, 0x85, 0x80, + 0x40, 0xc6, 0x80, 0x41, 0x35, 0x81, 0x40, 0x97, + 0x85, 0xc3, 0x85, 0xd8, 0x83, 0x43, 0xb7, 0x84, + 0x40, 0xec, 0x86, 0xef, 0x83, 0xfe, 0x82, 0x40, + 0x80, 0x0d, 0x80, 0x8f, 0x81, 0xd7, 0x84, 0xeb, + 0x80, 0x41, 0xa0, 0x82, 0x8b, 0x81, 0x41, 0x65, + 0x1a, 0x8e, 0xe8, 0x81, 0x40, 0xf8, 0x82, 0x42, + 0x04, 0x00, 0x80, 0x40, 0xfa, 0x81, 0xd6, 0x0b, + 0x81, 0x41, 0x9d, 0x82, 0xac, 0x80, 0x42, 0x84, + 0x81, 0x45, 0x76, 0x84, 0x60, 0x45, 0xf8, 0x81, + 0x40, 0x84, 0x80, 0xc0, 0x82, 0x89, 0x80, 0x43, + 0x51, 0x81, 0x60, 0x4e, 0x05, 0x80, 0x5d, 0xe6, + 0x83, +}; + +static const uint8_t unicode_prop_Unified_Ideograph_table[42] = { + 0x60, 0x33, 0xff, 0x59, 0xbf, 0xbf, 0x60, 0x51, + 0xfc, 0x60, 0x5a, 0x10, 0x08, 0x00, 0x81, 0x89, + 0x00, 0x00, 0x09, 0x82, 0x61, 0x05, 0xd5, 0x60, + 0xa6, 0xdd, 0xa1, 0x50, 0x34, 0x8a, 0x40, 0xdd, + 0x81, 0x56, 0x81, 0x8d, 0x5d, 0x30, 0x54, 0x1e, + 0x53, 0x4a, +}; + +static const uint8_t unicode_prop_Variation_Selector_table[12] = { + 0x58, 0x0a, 0x82, 0x60, 0xe5, 0xf1, 0x8f, 0x6d, + 0x02, 0xef, 0x40, 0xef, +}; + +static const uint8_t unicode_prop_White_Space_table[22] = { + 0x88, 0x84, 0x91, 0x80, 0xe3, 0x80, 0x99, 0x80, + 0x55, 0xde, 0x80, 0x49, 0x7e, 0x8a, 0x9c, 0x0c, + 0x80, 0xae, 0x80, 0x4f, 0x9f, 0x80, +}; + +static const uint8_t unicode_prop_Bidi_Mirrored_table[171] = { + 0xa7, 0x81, 0x91, 0x00, 0x80, 0x9b, 0x00, 0x80, + 0x9c, 0x00, 0x80, 0xac, 0x80, 0x8e, 0x80, 0x4e, + 0x7d, 0x83, 0x47, 0x5c, 0x81, 0x49, 0x9b, 0x81, + 0x89, 0x81, 0xb5, 0x81, 0x8d, 0x81, 0x40, 0xb0, + 0x80, 0x40, 0xbf, 0x1a, 0x2a, 0x02, 0x0a, 0x18, + 0x18, 0x00, 0x03, 0x88, 0x20, 0x80, 0x91, 0x23, + 0x88, 0x08, 0x00, 0x39, 0x9e, 0x0b, 0x20, 0x88, + 0x09, 0x92, 0x21, 0x88, 0x21, 0x0b, 0x97, 0x81, + 0x8f, 0x3b, 0x93, 0x0e, 0x81, 0x44, 0x3c, 0x8d, + 0xc9, 0x01, 0x18, 0x08, 0x14, 0x1c, 0x12, 0x8d, + 0x41, 0x92, 0x95, 0x0d, 0x80, 0x8d, 0x38, 0x35, + 0x10, 0x1c, 0x01, 0x0c, 0x18, 0x02, 0x09, 0x89, + 0x29, 0x81, 0x8b, 0x92, 0x03, 0x08, 0x00, 0x08, + 0x03, 0x21, 0x2a, 0x97, 0x81, 0x8a, 0x0b, 0x18, + 0x09, 0x0b, 0xaa, 0x0f, 0x80, 0xa7, 0x20, 0x00, + 0x14, 0x22, 0x18, 0x14, 0x00, 0x40, 0xff, 0x80, + 0x42, 0x02, 0x1a, 0x08, 0x81, 0x8d, 0x09, 0x89, + 0x41, 0xdd, 0x89, 0x0f, 0x60, 0xce, 0x3c, 0x2c, + 0x81, 0x40, 0xa1, 0x81, 0x91, 0x00, 0x80, 0x9b, + 0x00, 0x80, 0x9c, 0x00, 0x00, 0x08, 0x81, 0x60, + 0xd7, 0x76, 0x80, 0xb8, 0x80, 0xb8, 0x80, 0xb8, + 0x80, 0xb8, 0x80, +}; + +static const uint8_t unicode_prop_Emoji_table[238] = { + 0xa2, 0x05, 0x04, 0x89, 0xee, 0x03, 0x80, 0x5f, + 0x8c, 0x80, 0x8b, 0x80, 0x40, 0xd7, 0x80, 0x95, + 0x80, 0xd9, 0x85, 0x8e, 0x81, 0x41, 0x6e, 0x81, + 0x8b, 0x80, 0x40, 0xa5, 0x80, 0x98, 0x8a, 0x1a, + 0x40, 0xc6, 0x80, 0x40, 0xe6, 0x81, 0x89, 0x80, + 0x88, 0x80, 0xb9, 0x18, 0x84, 0x88, 0x01, 0x01, + 0x09, 0x03, 0x01, 0x00, 0x09, 0x02, 0x02, 0x0f, + 0x14, 0x00, 0x04, 0x8b, 0x8a, 0x09, 0x00, 0x08, + 0x80, 0x91, 0x01, 0x81, 0x91, 0x28, 0x00, 0x0a, + 0x0c, 0x01, 0x0b, 0x81, 0x8a, 0x0c, 0x09, 0x04, + 0x08, 0x00, 0x81, 0x93, 0x0c, 0x28, 0x19, 0x03, + 0x01, 0x01, 0x28, 0x01, 0x00, 0x00, 0x05, 0x02, + 0x05, 0x80, 0x89, 0x81, 0x8e, 0x01, 0x03, 0x00, + 0x03, 0x10, 0x80, 0x8a, 0x81, 0xaf, 0x82, 0x88, + 0x80, 0x8d, 0x80, 0x8d, 0x80, 0x41, 0x73, 0x81, + 0x41, 0xce, 0x82, 0x92, 0x81, 0xb2, 0x03, 0x80, + 0x44, 0xd9, 0x80, 0x8b, 0x80, 0x42, 0x58, 0x00, + 0x80, 0x61, 0xbd, 0x69, 0x80, 0x40, 0xc9, 0x80, + 0x40, 0x9f, 0x81, 0x8b, 0x81, 0x8d, 0x01, 0x89, + 0xca, 0x99, 0x01, 0x96, 0x80, 0x93, 0x01, 0x88, + 0x94, 0x81, 0x40, 0xad, 0xa1, 0x81, 0xef, 0x09, + 0x02, 0x81, 0xd2, 0x0a, 0x80, 0x41, 0x06, 0x80, + 0xbe, 0x8a, 0x28, 0x97, 0x31, 0x0f, 0x8b, 0x01, + 0x19, 0x03, 0x81, 0x8c, 0x09, 0x07, 0x81, 0x88, + 0x04, 0x82, 0x8b, 0x17, 0x11, 0x00, 0x03, 0x05, + 0x02, 0x05, 0xd5, 0xaf, 0xc5, 0x27, 0x0a, 0x3d, + 0x10, 0x01, 0x10, 0x81, 0x89, 0x40, 0xe2, 0x8b, + 0x41, 0x1f, 0xae, 0x80, 0x89, 0x80, 0xb1, 0x80, + 0xd1, 0x80, 0xb2, 0xef, 0x22, 0x14, 0x86, 0x88, + 0x98, 0x36, 0x88, 0x82, 0x8c, 0x86, +}; + +static const uint8_t unicode_prop_Emoji_Component_table[28] = { + 0xa2, 0x05, 0x04, 0x89, 0x5f, 0xd2, 0x80, 0x40, + 0xd4, 0x80, 0x60, 0xdd, 0x2a, 0x80, 0x60, 0xf3, + 0xd5, 0x99, 0x41, 0xfa, 0x84, 0x45, 0xaf, 0x83, + 0x6c, 0x06, 0x6b, 0xdf, +}; + +static const uint8_t unicode_prop_Emoji_Modifier_table[4] = { + 0x61, 0xf3, 0xfa, 0x84, +}; + +static const uint8_t unicode_prop_Emoji_Modifier_Base_table[66] = { + 0x60, 0x26, 0x1c, 0x80, 0x40, 0xda, 0x80, 0x8f, + 0x83, 0x61, 0xcc, 0x76, 0x80, 0xbb, 0x11, 0x01, + 0x82, 0xf4, 0x09, 0x8a, 0x94, 0x92, 0x10, 0x1a, + 0x02, 0x30, 0x00, 0x97, 0x80, 0x40, 0xc8, 0x0b, + 0x80, 0x94, 0x03, 0x81, 0x40, 0xad, 0x12, 0x84, + 0xd2, 0x80, 0x8f, 0x82, 0x88, 0x80, 0x8a, 0x80, + 0x42, 0x3e, 0x01, 0x07, 0x3d, 0x80, 0x88, 0x89, + 0x0a, 0xb7, 0x80, 0xbc, 0x08, 0x08, 0x80, 0x90, + 0x10, 0x8c, +}; + +static const uint8_t unicode_prop_Emoji_Presentation_table[144] = { + 0x60, 0x23, 0x19, 0x81, 0x40, 0xcc, 0x1a, 0x01, + 0x80, 0x42, 0x08, 0x81, 0x94, 0x81, 0xb1, 0x8b, + 0xaa, 0x80, 0x92, 0x80, 0x8c, 0x07, 0x81, 0x90, + 0x0c, 0x0f, 0x04, 0x80, 0x94, 0x06, 0x08, 0x03, + 0x01, 0x06, 0x03, 0x81, 0x9b, 0x80, 0xa2, 0x00, + 0x03, 0x10, 0x80, 0xbc, 0x82, 0x97, 0x80, 0x8d, + 0x80, 0x43, 0x5a, 0x81, 0xb2, 0x03, 0x80, 0x61, + 0xc4, 0xad, 0x80, 0x40, 0xc9, 0x80, 0x40, 0xbd, + 0x01, 0x89, 0xca, 0x99, 0x00, 0x97, 0x80, 0x93, + 0x01, 0x20, 0x82, 0x94, 0x81, 0x40, 0xad, 0xa0, + 0x8b, 0x88, 0x80, 0xc5, 0x80, 0x95, 0x8b, 0xaa, + 0x1c, 0x8b, 0x90, 0x10, 0x82, 0xc6, 0x00, 0x80, + 0x40, 0xba, 0x81, 0xbe, 0x8c, 0x18, 0x97, 0x91, + 0x80, 0x99, 0x81, 0x8c, 0x80, 0xd5, 0xd4, 0xaf, + 0xc5, 0x28, 0x12, 0x0a, 0x92, 0x0e, 0x88, 0x40, + 0xe2, 0x8b, 0x41, 0x1f, 0xae, 0x80, 0x89, 0x80, + 0xb1, 0x80, 0xd1, 0x80, 0xb2, 0xef, 0x22, 0x14, + 0x86, 0x88, 0x98, 0x36, 0x88, 0x82, 0x8c, 0x86, +}; + +static const uint8_t unicode_prop_Extended_Pictographic_table[156] = { + 0x40, 0xa8, 0x03, 0x80, 0x5f, 0x8c, 0x80, 0x8b, + 0x80, 0x40, 0xd7, 0x80, 0x95, 0x80, 0xd9, 0x85, + 0x8e, 0x81, 0x41, 0x6e, 0x81, 0x8b, 0x80, 0xde, + 0x80, 0xc5, 0x80, 0x98, 0x8a, 0x1a, 0x40, 0xc6, + 0x80, 0x40, 0xe6, 0x81, 0x89, 0x80, 0x88, 0x80, + 0xb9, 0x18, 0x28, 0x8b, 0x80, 0xf1, 0x89, 0xf5, + 0x81, 0x8a, 0x00, 0x00, 0x28, 0x10, 0x28, 0x89, + 0x81, 0x8e, 0x01, 0x03, 0x00, 0x03, 0x10, 0x80, + 0x8a, 0x84, 0xac, 0x82, 0x88, 0x80, 0x8d, 0x80, + 0x8d, 0x80, 0x41, 0x73, 0x81, 0x41, 0xce, 0x82, + 0x92, 0x81, 0xb2, 0x03, 0x80, 0x44, 0xd9, 0x80, + 0x8b, 0x80, 0x42, 0x58, 0x00, 0x80, 0x61, 0xbd, + 0x65, 0x40, 0xff, 0x8c, 0x82, 0x9e, 0x80, 0xbb, + 0x85, 0x8b, 0x81, 0x8d, 0x01, 0x89, 0x91, 0xb8, + 0x9a, 0x8e, 0x89, 0x80, 0x93, 0x01, 0x88, 0x03, + 0x88, 0x41, 0xb1, 0x84, 0x41, 0x3d, 0x87, 0x41, + 0x09, 0xaf, 0xff, 0xf3, 0x8b, 0xd4, 0xaa, 0x8b, + 0x83, 0xb7, 0x87, 0x89, 0x85, 0xa7, 0x87, 0x9d, + 0xd1, 0x8b, 0xae, 0x80, 0x89, 0x80, 0x41, 0xb8, + 0x40, 0xff, 0x43, 0xfd, +}; + +static const uint8_t unicode_prop_Default_Ignorable_Code_Point_table[51] = { + 0x40, 0xac, 0x80, 0x42, 0xa0, 0x80, 0x42, 0xcb, + 0x80, 0x4b, 0x41, 0x81, 0x46, 0x52, 0x81, 0xd4, + 0x83, 0x47, 0xfb, 0x84, 0x99, 0x84, 0xb0, 0x8f, + 0x50, 0xf3, 0x80, 0x60, 0xcc, 0x9a, 0x8f, 0x40, + 0xee, 0x80, 0x40, 0x9f, 0x80, 0xce, 0x88, 0x60, + 0xbc, 0xa6, 0x83, 0x54, 0xce, 0x87, 0x6c, 0x2e, + 0x84, 0x4f, 0xff, +}; + +typedef enum { + UNICODE_PROP_Hyphen, + UNICODE_PROP_Other_Math, + UNICODE_PROP_Other_Alphabetic, + UNICODE_PROP_Other_Lowercase, + UNICODE_PROP_Other_Uppercase, + UNICODE_PROP_Other_Grapheme_Extend, + UNICODE_PROP_Other_Default_Ignorable_Code_Point, + UNICODE_PROP_Other_ID_Start, + UNICODE_PROP_Other_ID_Continue, + UNICODE_PROP_Prepended_Concatenation_Mark, + UNICODE_PROP_ID_Continue1, + UNICODE_PROP_XID_Start1, + UNICODE_PROP_XID_Continue1, + UNICODE_PROP_Changes_When_Titlecased1, + UNICODE_PROP_Changes_When_Casefolded1, + UNICODE_PROP_Changes_When_NFKC_Casefolded1, + UNICODE_PROP_ASCII_Hex_Digit, + UNICODE_PROP_Bidi_Control, + UNICODE_PROP_Dash, + UNICODE_PROP_Deprecated, + UNICODE_PROP_Diacritic, + UNICODE_PROP_Extender, + UNICODE_PROP_Hex_Digit, + UNICODE_PROP_IDS_Binary_Operator, + UNICODE_PROP_IDS_Trinary_Operator, + UNICODE_PROP_Ideographic, + UNICODE_PROP_Join_Control, + UNICODE_PROP_Logical_Order_Exception, + UNICODE_PROP_Noncharacter_Code_Point, + UNICODE_PROP_Pattern_Syntax, + UNICODE_PROP_Pattern_White_Space, + UNICODE_PROP_Quotation_Mark, + UNICODE_PROP_Radical, + UNICODE_PROP_Regional_Indicator, + UNICODE_PROP_Sentence_Terminal, + UNICODE_PROP_Soft_Dotted, + UNICODE_PROP_Terminal_Punctuation, + UNICODE_PROP_Unified_Ideograph, + UNICODE_PROP_Variation_Selector, + UNICODE_PROP_White_Space, + UNICODE_PROP_Bidi_Mirrored, + UNICODE_PROP_Emoji, + UNICODE_PROP_Emoji_Component, + UNICODE_PROP_Emoji_Modifier, + UNICODE_PROP_Emoji_Modifier_Base, + UNICODE_PROP_Emoji_Presentation, + UNICODE_PROP_Extended_Pictographic, + UNICODE_PROP_Default_Ignorable_Code_Point, + UNICODE_PROP_ID_Start, + UNICODE_PROP_Case_Ignorable, + UNICODE_PROP_ASCII, + UNICODE_PROP_Alphabetic, + UNICODE_PROP_Any, + UNICODE_PROP_Assigned, + UNICODE_PROP_Cased, + UNICODE_PROP_Changes_When_Casefolded, + UNICODE_PROP_Changes_When_Casemapped, + UNICODE_PROP_Changes_When_Lowercased, + UNICODE_PROP_Changes_When_NFKC_Casefolded, + UNICODE_PROP_Changes_When_Titlecased, + UNICODE_PROP_Changes_When_Uppercased, + UNICODE_PROP_Grapheme_Base, + UNICODE_PROP_Grapheme_Extend, + UNICODE_PROP_ID_Continue, + UNICODE_PROP_Lowercase, + UNICODE_PROP_Math, + UNICODE_PROP_Uppercase, + UNICODE_PROP_XID_Continue, + UNICODE_PROP_XID_Start, + UNICODE_PROP_Cased1, + UNICODE_PROP_COUNT, +} UnicodePropertyEnum; + +static const char unicode_prop_name_table[] = + "ASCII_Hex_Digit,AHex" "\0" + "Bidi_Control,Bidi_C" "\0" + "Dash" "\0" + "Deprecated,Dep" "\0" + "Diacritic,Dia" "\0" + "Extender,Ext" "\0" + "Hex_Digit,Hex" "\0" + "IDS_Binary_Operator,IDSB" "\0" + "IDS_Trinary_Operator,IDST" "\0" + "Ideographic,Ideo" "\0" + "Join_Control,Join_C" "\0" + "Logical_Order_Exception,LOE" "\0" + "Noncharacter_Code_Point,NChar" "\0" + "Pattern_Syntax,Pat_Syn" "\0" + "Pattern_White_Space,Pat_WS" "\0" + "Quotation_Mark,QMark" "\0" + "Radical" "\0" + "Regional_Indicator,RI" "\0" + "Sentence_Terminal,STerm" "\0" + "Soft_Dotted,SD" "\0" + "Terminal_Punctuation,Term" "\0" + "Unified_Ideograph,UIdeo" "\0" + "Variation_Selector,VS" "\0" + "White_Space,space" "\0" + "Bidi_Mirrored,Bidi_M" "\0" + "Emoji" "\0" + "Emoji_Component,EComp" "\0" + "Emoji_Modifier,EMod" "\0" + "Emoji_Modifier_Base,EBase" "\0" + "Emoji_Presentation,EPres" "\0" + "Extended_Pictographic,ExtPict" "\0" + "Default_Ignorable_Code_Point,DI" "\0" + "ID_Start,IDS" "\0" + "Case_Ignorable,CI" "\0" + "ASCII" "\0" + "Alphabetic,Alpha" "\0" + "Any" "\0" + "Assigned" "\0" + "Cased" "\0" + "Changes_When_Casefolded,CWCF" "\0" + "Changes_When_Casemapped,CWCM" "\0" + "Changes_When_Lowercased,CWL" "\0" + "Changes_When_NFKC_Casefolded,CWKCF" "\0" + "Changes_When_Titlecased,CWT" "\0" + "Changes_When_Uppercased,CWU" "\0" + "Grapheme_Base,Gr_Base" "\0" + "Grapheme_Extend,Gr_Ext" "\0" + "ID_Continue,IDC" "\0" + "Lowercase,Lower" "\0" + "Math" "\0" + "Uppercase,Upper" "\0" + "XID_Continue,XIDC" "\0" + "XID_Start,XIDS" "\0" +; + +static const uint8_t * const unicode_prop_table[] = { + unicode_prop_Hyphen_table, + unicode_prop_Other_Math_table, + unicode_prop_Other_Alphabetic_table, + unicode_prop_Other_Lowercase_table, + unicode_prop_Other_Uppercase_table, + unicode_prop_Other_Grapheme_Extend_table, + unicode_prop_Other_Default_Ignorable_Code_Point_table, + unicode_prop_Other_ID_Start_table, + unicode_prop_Other_ID_Continue_table, + unicode_prop_Prepended_Concatenation_Mark_table, + unicode_prop_ID_Continue1_table, + unicode_prop_XID_Start1_table, + unicode_prop_XID_Continue1_table, + unicode_prop_Changes_When_Titlecased1_table, + unicode_prop_Changes_When_Casefolded1_table, + unicode_prop_Changes_When_NFKC_Casefolded1_table, + unicode_prop_ASCII_Hex_Digit_table, + unicode_prop_Bidi_Control_table, + unicode_prop_Dash_table, + unicode_prop_Deprecated_table, + unicode_prop_Diacritic_table, + unicode_prop_Extender_table, + unicode_prop_Hex_Digit_table, + unicode_prop_IDS_Binary_Operator_table, + unicode_prop_IDS_Trinary_Operator_table, + unicode_prop_Ideographic_table, + unicode_prop_Join_Control_table, + unicode_prop_Logical_Order_Exception_table, + unicode_prop_Noncharacter_Code_Point_table, + unicode_prop_Pattern_Syntax_table, + unicode_prop_Pattern_White_Space_table, + unicode_prop_Quotation_Mark_table, + unicode_prop_Radical_table, + unicode_prop_Regional_Indicator_table, + unicode_prop_Sentence_Terminal_table, + unicode_prop_Soft_Dotted_table, + unicode_prop_Terminal_Punctuation_table, + unicode_prop_Unified_Ideograph_table, + unicode_prop_Variation_Selector_table, + unicode_prop_White_Space_table, + unicode_prop_Bidi_Mirrored_table, + unicode_prop_Emoji_table, + unicode_prop_Emoji_Component_table, + unicode_prop_Emoji_Modifier_table, + unicode_prop_Emoji_Modifier_Base_table, + unicode_prop_Emoji_Presentation_table, + unicode_prop_Extended_Pictographic_table, + unicode_prop_Default_Ignorable_Code_Point_table, + unicode_prop_ID_Start_table, + unicode_prop_Case_Ignorable_table, +}; + +static const uint16_t unicode_prop_len_table[] = { + countof(unicode_prop_Hyphen_table), + countof(unicode_prop_Other_Math_table), + countof(unicode_prop_Other_Alphabetic_table), + countof(unicode_prop_Other_Lowercase_table), + countof(unicode_prop_Other_Uppercase_table), + countof(unicode_prop_Other_Grapheme_Extend_table), + countof(unicode_prop_Other_Default_Ignorable_Code_Point_table), + countof(unicode_prop_Other_ID_Start_table), + countof(unicode_prop_Other_ID_Continue_table), + countof(unicode_prop_Prepended_Concatenation_Mark_table), + countof(unicode_prop_ID_Continue1_table), + countof(unicode_prop_XID_Start1_table), + countof(unicode_prop_XID_Continue1_table), + countof(unicode_prop_Changes_When_Titlecased1_table), + countof(unicode_prop_Changes_When_Casefolded1_table), + countof(unicode_prop_Changes_When_NFKC_Casefolded1_table), + countof(unicode_prop_ASCII_Hex_Digit_table), + countof(unicode_prop_Bidi_Control_table), + countof(unicode_prop_Dash_table), + countof(unicode_prop_Deprecated_table), + countof(unicode_prop_Diacritic_table), + countof(unicode_prop_Extender_table), + countof(unicode_prop_Hex_Digit_table), + countof(unicode_prop_IDS_Binary_Operator_table), + countof(unicode_prop_IDS_Trinary_Operator_table), + countof(unicode_prop_Ideographic_table), + countof(unicode_prop_Join_Control_table), + countof(unicode_prop_Logical_Order_Exception_table), + countof(unicode_prop_Noncharacter_Code_Point_table), + countof(unicode_prop_Pattern_Syntax_table), + countof(unicode_prop_Pattern_White_Space_table), + countof(unicode_prop_Quotation_Mark_table), + countof(unicode_prop_Radical_table), + countof(unicode_prop_Regional_Indicator_table), + countof(unicode_prop_Sentence_Terminal_table), + countof(unicode_prop_Soft_Dotted_table), + countof(unicode_prop_Terminal_Punctuation_table), + countof(unicode_prop_Unified_Ideograph_table), + countof(unicode_prop_Variation_Selector_table), + countof(unicode_prop_White_Space_table), + countof(unicode_prop_Bidi_Mirrored_table), + countof(unicode_prop_Emoji_table), + countof(unicode_prop_Emoji_Component_table), + countof(unicode_prop_Emoji_Modifier_table), + countof(unicode_prop_Emoji_Modifier_Base_table), + countof(unicode_prop_Emoji_Presentation_table), + countof(unicode_prop_Extended_Pictographic_table), + countof(unicode_prop_Default_Ignorable_Code_Point_table), + countof(unicode_prop_ID_Start_table), + countof(unicode_prop_Case_Ignorable_table), +}; + +#endif /* CONFIG_ALL_UNICODE */ diff --git a/android/src/main/jni/quickjs/libunicode.c b/android/src/main/jni/quickjs/libunicode.c new file mode 100644 index 0000000..96ff002 --- /dev/null +++ b/android/src/main/jni/quickjs/libunicode.c @@ -0,0 +1,1538 @@ +/* + * Unicode utilities + * + * Copyright (c) 2017-2018 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include +#include + +#include "cutils.h" +#include "libunicode.h" +#include "libunicode-table.h" + +enum { + RUN_TYPE_U, + RUN_TYPE_L, + RUN_TYPE_UF, + RUN_TYPE_LF, + RUN_TYPE_UL, + RUN_TYPE_LSU, + RUN_TYPE_U2L_399_EXT2, + RUN_TYPE_UF_D20, + RUN_TYPE_UF_D1_EXT, + RUN_TYPE_U_EXT, + RUN_TYPE_LF_EXT, + RUN_TYPE_U_EXT2, + RUN_TYPE_L_EXT2, + RUN_TYPE_U_EXT3, +}; + +/* conv_type: + 0 = to upper + 1 = to lower + 2 = case folding (= to lower with modifications) +*/ +int lre_case_conv(uint32_t *res, uint32_t c, int conv_type) +{ + if (c < 128) { + if (conv_type) { + if (c >= 'A' && c <= 'Z') { + c = c - 'A' + 'a'; + } + } else { + if (c >= 'a' && c <= 'z') { + c = c - 'a' + 'A'; + } + } + } else { + uint32_t v, code, data, type, len, a, is_lower; + int idx, idx_min, idx_max; + + is_lower = (conv_type != 0); + idx_min = 0; + idx_max = countof(case_conv_table1) - 1; + while (idx_min <= idx_max) { + idx = (unsigned)(idx_max + idx_min) / 2; + v = case_conv_table1[idx]; + code = v >> (32 - 17); + len = (v >> (32 - 17 - 7)) & 0x7f; + if (c < code) { + idx_max = idx - 1; + } else if (c >= code + len) { + idx_min = idx + 1; + } else { + type = (v >> (32 - 17 - 7 - 4)) & 0xf; + data = ((v & 0xf) << 8) | case_conv_table2[idx]; + switch(type) { + case RUN_TYPE_U: + case RUN_TYPE_L: + case RUN_TYPE_UF: + case RUN_TYPE_LF: + if (conv_type == (type & 1) || + (type >= RUN_TYPE_UF && conv_type == 2)) { + c = c - code + (case_conv_table1[data] >> (32 - 17)); + } + break; + case RUN_TYPE_UL: + a = c - code; + if ((a & 1) != (1 - is_lower)) + break; + c = (a ^ 1) + code; + break; + case RUN_TYPE_LSU: + a = c - code; + if (a == 1) { + c += 2 * is_lower - 1; + } else if (a == (1 - is_lower) * 2) { + c += (2 * is_lower - 1) * 2; + } + break; + case RUN_TYPE_U2L_399_EXT2: + if (!is_lower) { + res[0] = c - code + case_conv_ext[data >> 6]; + res[1] = 0x399; + return 2; + } else { + c = c - code + case_conv_ext[data & 0x3f]; + } + break; + case RUN_TYPE_UF_D20: + if (conv_type == 1) + break; + c = data + (conv_type == 2) * 0x20; + break; + case RUN_TYPE_UF_D1_EXT: + if (conv_type == 1) + break; + c = case_conv_ext[data] + (conv_type == 2); + break; + case RUN_TYPE_U_EXT: + case RUN_TYPE_LF_EXT: + if (is_lower != (type - RUN_TYPE_U_EXT)) + break; + c = case_conv_ext[data]; + break; + case RUN_TYPE_U_EXT2: + case RUN_TYPE_L_EXT2: + if (conv_type != (type - RUN_TYPE_U_EXT2)) + break; + res[0] = c - code + case_conv_ext[data >> 6]; + res[1] = case_conv_ext[data & 0x3f]; + return 2; + default: + case RUN_TYPE_U_EXT3: + if (conv_type != 0) + break; + res[0] = case_conv_ext[data >> 8]; + res[1] = case_conv_ext[(data >> 4) & 0xf]; + res[2] = case_conv_ext[data & 0xf]; + return 3; + } + break; + } + } + } + res[0] = c; + return 1; +} + +static uint32_t get_le24(const uint8_t *ptr) +{ +#if defined(__x86__) || defined(__x86_64__) + return *(uint16_t *)ptr | (ptr[2] << 16); +#else + return ptr[0] | (ptr[1] << 8) | (ptr[2] << 16); +#endif +} + +#define UNICODE_INDEX_BLOCK_LEN 32 + +/* return -1 if not in table, otherwise the offset in the block */ +static int get_index_pos(uint32_t *pcode, uint32_t c, + const uint8_t *index_table, int index_table_len) +{ + uint32_t code, v; + int idx_min, idx_max, idx; + + idx_min = 0; + v = get_le24(index_table); + code = v & ((1 << 21) - 1); + if (c < code) { + *pcode = 0; + return 0; + } + idx_max = index_table_len - 1; + code = get_le24(index_table + idx_max * 3); + if (c >= code) + return -1; + /* invariant: tab[idx_min] <= c < tab2[idx_max] */ + while ((idx_max - idx_min) > 1) { + idx = (idx_max + idx_min) / 2; + v = get_le24(index_table + idx * 3); + code = v & ((1 << 21) - 1); + if (c < code) { + idx_max = idx; + } else { + idx_min = idx; + } + } + v = get_le24(index_table + idx_min * 3); + *pcode = v & ((1 << 21) - 1); + return (idx_min + 1) * UNICODE_INDEX_BLOCK_LEN + (v >> 21); +} + +static BOOL lre_is_in_table(uint32_t c, const uint8_t *table, + const uint8_t *index_table, int index_table_len) +{ + uint32_t code, b, bit; + int pos; + const uint8_t *p; + + pos = get_index_pos(&code, c, index_table, index_table_len); + if (pos < 0) + return FALSE; /* outside the table */ + p = table + pos; + bit = 0; + for(;;) { + b = *p++; + if (b < 64) { + code += (b >> 3) + 1; + if (c < code) + return bit; + bit ^= 1; + code += (b & 7) + 1; + } else if (b >= 0x80) { + code += b - 0x80 + 1; + } else if (b < 0x60) { + code += (((b - 0x40) << 8) | p[0]) + 1; + p++; + } else { + code += (((b - 0x60) << 16) | (p[0] << 8) | p[1]) + 1; + p += 2; + } + if (c < code) + return bit; + bit ^= 1; + } +} + +BOOL lre_is_cased(uint32_t c) +{ + uint32_t v, code, len; + int idx, idx_min, idx_max; + + idx_min = 0; + idx_max = countof(case_conv_table1) - 1; + while (idx_min <= idx_max) { + idx = (unsigned)(idx_max + idx_min) / 2; + v = case_conv_table1[idx]; + code = v >> (32 - 17); + len = (v >> (32 - 17 - 7)) & 0x7f; + if (c < code) { + idx_max = idx - 1; + } else if (c >= code + len) { + idx_min = idx + 1; + } else { + return TRUE; + } + } + return lre_is_in_table(c, unicode_prop_Cased1_table, + unicode_prop_Cased1_index, + sizeof(unicode_prop_Cased1_index) / 3); +} + +BOOL lre_is_case_ignorable(uint32_t c) +{ + return lre_is_in_table(c, unicode_prop_Case_Ignorable_table, + unicode_prop_Case_Ignorable_index, + sizeof(unicode_prop_Case_Ignorable_index) / 3); +} + +/* character range */ + +static __maybe_unused void cr_dump(CharRange *cr) +{ + int i; + for(i = 0; i < cr->len; i++) + printf("%d: 0x%04x\n", i, cr->points[i]); +} + +static void *cr_default_realloc(void *opaque, void *ptr, size_t size) +{ + return realloc(ptr, size); +} + +void cr_init(CharRange *cr, void *mem_opaque, DynBufReallocFunc *realloc_func) +{ + cr->len = cr->size = 0; + cr->points = NULL; + cr->mem_opaque = mem_opaque; + cr->realloc_func = realloc_func ? realloc_func : cr_default_realloc; +} + +void cr_free(CharRange *cr) +{ + cr->realloc_func(cr->mem_opaque, cr->points, 0); +} + +int cr_realloc(CharRange *cr, int size) +{ + int new_size; + uint32_t *new_buf; + + if (size > cr->size) { + new_size = max_int(size, cr->size * 3 / 2); + new_buf = cr->realloc_func(cr->mem_opaque, cr->points, + new_size * sizeof(cr->points[0])); + if (!new_buf) + return -1; + cr->points = new_buf; + cr->size = new_size; + } + return 0; +} + +int cr_copy(CharRange *cr, const CharRange *cr1) +{ + if (cr_realloc(cr, cr1->len)) + return -1; + memcpy(cr->points, cr1->points, sizeof(cr->points[0]) * cr1->len); + cr->len = cr1->len; + return 0; +} + +/* merge consecutive intervals and remove empty intervals */ +static void cr_compress(CharRange *cr) +{ + int i, j, k, len; + uint32_t *pt; + + pt = cr->points; + len = cr->len; + i = 0; + j = 0; + k = 0; + while ((i + 1) < len) { + if (pt[i] == pt[i + 1]) { + /* empty interval */ + i += 2; + } else { + j = i; + while ((j + 3) < len && pt[j + 1] == pt[j + 2]) + j += 2; + /* just copy */ + pt[k] = pt[i]; + pt[k + 1] = pt[j + 1]; + k += 2; + i = j + 2; + } + } + cr->len = k; +} + +/* union or intersection */ +int cr_op(CharRange *cr, const uint32_t *a_pt, int a_len, + const uint32_t *b_pt, int b_len, int op) +{ + int a_idx, b_idx, is_in; + uint32_t v; + + a_idx = 0; + b_idx = 0; + for(;;) { + /* get one more point from a or b in increasing order */ + if (a_idx < a_len && b_idx < b_len) { + if (a_pt[a_idx] < b_pt[b_idx]) { + goto a_add; + } else if (a_pt[a_idx] == b_pt[b_idx]) { + v = a_pt[a_idx]; + a_idx++; + b_idx++; + } else { + goto b_add; + } + } else if (a_idx < a_len) { + a_add: + v = a_pt[a_idx++]; + } else if (b_idx < b_len) { + b_add: + v = b_pt[b_idx++]; + } else { + break; + } + /* add the point if the in/out status changes */ + switch(op) { + case CR_OP_UNION: + is_in = (a_idx & 1) | (b_idx & 1); + break; + case CR_OP_INTER: + is_in = (a_idx & 1) & (b_idx & 1); + break; + case CR_OP_XOR: + is_in = (a_idx & 1) ^ (b_idx & 1); + break; + default: + abort(); + } + if (is_in != (cr->len & 1)) { + if (cr_add_point(cr, v)) + return -1; + } + } + cr_compress(cr); + return 0; +} + +int cr_union1(CharRange *cr, const uint32_t *b_pt, int b_len) +{ + CharRange a = *cr; + int ret; + cr->len = 0; + cr->size = 0; + cr->points = NULL; + ret = cr_op(cr, a.points, a.len, b_pt, b_len, CR_OP_UNION); + cr_free(&a); + return ret; +} + +int cr_invert(CharRange *cr) +{ + int len; + len = cr->len; + if (cr_realloc(cr, len + 2)) + return -1; + memmove(cr->points + 1, cr->points, len * sizeof(cr->points[0])); + cr->points[0] = 0; + cr->points[len + 1] = UINT32_MAX; + cr->len = len + 2; + cr_compress(cr); + return 0; +} + +#ifdef CONFIG_ALL_UNICODE + +BOOL lre_is_id_start(uint32_t c) +{ + return lre_is_in_table(c, unicode_prop_ID_Start_table, + unicode_prop_ID_Start_index, + sizeof(unicode_prop_ID_Start_index) / 3); +} + +BOOL lre_is_id_continue(uint32_t c) +{ + return lre_is_id_start(c) || + lre_is_in_table(c, unicode_prop_ID_Continue1_table, + unicode_prop_ID_Continue1_index, + sizeof(unicode_prop_ID_Continue1_index) / 3); +} + +#define UNICODE_DECOMP_LEN_MAX 18 + +typedef enum { + DECOMP_TYPE_C1, /* 16 bit char */ + DECOMP_TYPE_L1, /* 16 bit char table */ + DECOMP_TYPE_L2, + DECOMP_TYPE_L3, + DECOMP_TYPE_L4, + DECOMP_TYPE_L5, /* XXX: not used */ + DECOMP_TYPE_L6, /* XXX: could remove */ + DECOMP_TYPE_L7, /* XXX: could remove */ + DECOMP_TYPE_LL1, /* 18 bit char table */ + DECOMP_TYPE_LL2, + DECOMP_TYPE_S1, /* 8 bit char table */ + DECOMP_TYPE_S2, + DECOMP_TYPE_S3, + DECOMP_TYPE_S4, + DECOMP_TYPE_S5, + DECOMP_TYPE_I1, /* increment 16 bit char value */ + DECOMP_TYPE_I2_0, + DECOMP_TYPE_I2_1, + DECOMP_TYPE_I3_1, + DECOMP_TYPE_I3_2, + DECOMP_TYPE_I4_1, + DECOMP_TYPE_I4_2, + DECOMP_TYPE_B1, /* 16 bit base + 8 bit offset */ + DECOMP_TYPE_B2, + DECOMP_TYPE_B3, + DECOMP_TYPE_B4, + DECOMP_TYPE_B5, + DECOMP_TYPE_B6, + DECOMP_TYPE_B7, + DECOMP_TYPE_B8, + DECOMP_TYPE_B18, + DECOMP_TYPE_LS2, + DECOMP_TYPE_PAT3, + DECOMP_TYPE_S2_UL, + DECOMP_TYPE_LS2_UL, +} DecompTypeEnum; + +static uint32_t unicode_get_short_code(uint32_t c) +{ + static const uint16_t unicode_short_table[2] = { 0x2044, 0x2215 }; + + if (c < 0x80) + return c; + else if (c < 0x80 + 0x50) + return c - 0x80 + 0x300; + else + return unicode_short_table[c - 0x80 - 0x50]; +} + +static uint32_t unicode_get_lower_simple(uint32_t c) +{ + if (c < 0x100 || (c >= 0x410 && c <= 0x42f)) + c += 0x20; + else + c++; + return c; +} + +static uint16_t unicode_get16(const uint8_t *p) +{ + return p[0] | (p[1] << 8); +} + +static int unicode_decomp_entry(uint32_t *res, uint32_t c, + int idx, uint32_t code, uint32_t len, + uint32_t type) +{ + uint32_t c1; + int l, i, p; + const uint8_t *d; + + if (type == DECOMP_TYPE_C1) { + res[0] = unicode_decomp_table2[idx]; + return 1; + } else { + d = unicode_decomp_data + unicode_decomp_table2[idx]; + switch(type) { + case DECOMP_TYPE_L1 ... DECOMP_TYPE_L7: + l = type - DECOMP_TYPE_L1 + 1; + d += (c - code) * l * 2; + for(i = 0; i < l; i++) { + if ((res[i] = unicode_get16(d + 2 * i)) == 0) + return 0; + } + return l; + case DECOMP_TYPE_LL1 ... DECOMP_TYPE_LL2: + { + uint32_t k, p; + l = type - DECOMP_TYPE_LL1 + 1; + k = (c - code) * l; + p = len * l * 2; + for(i = 0; i < l; i++) { + c1 = unicode_get16(d + 2 * k) | + (((d[p + (k / 4)] >> ((k % 4) * 2)) & 3) << 16); + if (!c1) + return 0; + res[i] = c1; + k++; + } + } + return l; + case DECOMP_TYPE_S1 ... DECOMP_TYPE_S5: + l = type - DECOMP_TYPE_S1 + 1; + d += (c - code) * l; + for(i = 0; i < l; i++) { + if ((res[i] = unicode_get_short_code(d[i])) == 0) + return 0; + } + return l; + case DECOMP_TYPE_I1: + l = 1; + p = 0; + goto decomp_type_i; + case DECOMP_TYPE_I2_0: + case DECOMP_TYPE_I2_1: + case DECOMP_TYPE_I3_1: + case DECOMP_TYPE_I3_2: + case DECOMP_TYPE_I4_1: + case DECOMP_TYPE_I4_2: + l = 2 + ((type - DECOMP_TYPE_I2_0) >> 1); + p = ((type - DECOMP_TYPE_I2_0) & 1) + (l > 2); + decomp_type_i: + for(i = 0; i < l; i++) { + c1 = unicode_get16(d + 2 * i); + if (i == p) + c1 += c - code; + res[i] = c1; + } + return l; + case DECOMP_TYPE_B18: + l = 18; + goto decomp_type_b; + case DECOMP_TYPE_B1 ... DECOMP_TYPE_B8: + l = type - DECOMP_TYPE_B1 + 1; + decomp_type_b: + { + uint32_t c_min; + c_min = unicode_get16(d); + d += 2 + (c - code) * l; + for(i = 0; i < l; i++) { + c1 = d[i]; + if (c1 == 0xff) + c1 = 0x20; + else + c1 += c_min; + res[i] = c1; + } + } + return l; + case DECOMP_TYPE_LS2: + d += (c - code) * 3; + if (!(res[0] = unicode_get16(d))) + return 0; + res[1] = unicode_get_short_code(d[2]); + return 2; + case DECOMP_TYPE_PAT3: + res[0] = unicode_get16(d); + res[2] = unicode_get16(d + 2); + d += 4 + (c - code) * 2; + res[1] = unicode_get16(d); + return 3; + case DECOMP_TYPE_S2_UL: + case DECOMP_TYPE_LS2_UL: + c1 = c - code; + if (type == DECOMP_TYPE_S2_UL) { + d += c1 & ~1; + c = unicode_get_short_code(*d); + d++; + } else { + d += (c1 >> 1) * 3; + c = unicode_get16(d); + d += 2; + } + if (c1 & 1) + c = unicode_get_lower_simple(c); + res[0] = c; + res[1] = unicode_get_short_code(*d); + return 2; + } + } + return 0; +} + + +/* return the length of the decomposition (length <= + UNICODE_DECOMP_LEN_MAX) or 0 if no decomposition */ +static int unicode_decomp_char(uint32_t *res, uint32_t c, BOOL is_compat1) +{ + uint32_t v, type, is_compat, code, len; + int idx_min, idx_max, idx; + + idx_min = 0; + idx_max = countof(unicode_decomp_table1) - 1; + while (idx_min <= idx_max) { + idx = (idx_max + idx_min) / 2; + v = unicode_decomp_table1[idx]; + code = v >> (32 - 18); + len = (v >> (32 - 18 - 7)) & 0x7f; + // printf("idx=%d code=%05x len=%d\n", idx, code, len); + if (c < code) { + idx_max = idx - 1; + } else if (c >= code + len) { + idx_min = idx + 1; + } else { + is_compat = v & 1; + if (is_compat1 < is_compat) + break; + type = (v >> (32 - 18 - 7 - 6)) & 0x3f; + return unicode_decomp_entry(res, c, idx, code, len, type); + } + } + return 0; +} + +/* return 0 if no pair found */ +static int unicode_compose_pair(uint32_t c0, uint32_t c1) +{ + uint32_t code, len, type, v, idx1, d_idx, d_offset, ch; + int idx_min, idx_max, idx, d; + uint32_t pair[2]; + + idx_min = 0; + idx_max = countof(unicode_comp_table) - 1; + while (idx_min <= idx_max) { + idx = (idx_max + idx_min) / 2; + idx1 = unicode_comp_table[idx]; + + /* idx1 represent an entry of the decomposition table */ + d_idx = idx1 >> 6; + d_offset = idx1 & 0x3f; + v = unicode_decomp_table1[d_idx]; + code = v >> (32 - 18); + len = (v >> (32 - 18 - 7)) & 0x7f; + type = (v >> (32 - 18 - 7 - 6)) & 0x3f; + ch = code + d_offset; + unicode_decomp_entry(pair, ch, d_idx, code, len, type); + d = c0 - pair[0]; + if (d == 0) + d = c1 - pair[1]; + if (d < 0) { + idx_max = idx - 1; + } else if (d > 0) { + idx_min = idx + 1; + } else { + return ch; + } + } + return 0; +} + +/* return the combining class of character c (between 0 and 255) */ +static int unicode_get_cc(uint32_t c) +{ + uint32_t code, n, type, cc, c1, b; + int pos; + const uint8_t *p; + + pos = get_index_pos(&code, c, + unicode_cc_index, sizeof(unicode_cc_index) / 3); + if (pos < 0) + return 0; + p = unicode_cc_table + pos; + for(;;) { + b = *p++; + type = b >> 6; + n = b & 0x3f; + if (n < 48) { + } else if (n < 56) { + n = (n - 48) << 8; + n |= *p++; + n += 48; + } else { + n = (n - 56) << 8; + n |= *p++ << 8; + n |= *p++; + n += 48 + (1 << 11); + } + if (type <= 1) + p++; + c1 = code + n + 1; + if (c < c1) { + switch(type) { + case 0: + cc = p[-1]; + break; + case 1: + cc = p[-1] + c - code; + break; + case 2: + cc = 0; + break; + default: + case 3: + cc = 230; + break; + } + return cc; + } + code = c1; + } +} + +static void sort_cc(int *buf, int len) +{ + int i, j, k, cc, cc1, start, ch1; + + for(i = 0; i < len; i++) { + cc = unicode_get_cc(buf[i]); + if (cc != 0) { + start = i; + j = i + 1; + while (j < len) { + ch1 = buf[j]; + cc1 = unicode_get_cc(ch1); + if (cc1 == 0) + break; + k = j - 1; + while (k >= start) { + if (unicode_get_cc(buf[k]) <= cc1) + break; + buf[k + 1] = buf[k]; + k--; + } + buf[k + 1] = ch1; + j++; + } +#if 0 + printf("cc:"); + for(k = start; k < j; k++) { + printf(" %3d", unicode_get_cc(buf[k])); + } + printf("\n"); +#endif + i = j; + } + } +} + +static void to_nfd_rec(DynBuf *dbuf, + const int *src, int src_len, int is_compat) +{ + uint32_t c, v; + int i, l; + uint32_t res[UNICODE_DECOMP_LEN_MAX]; + + for(i = 0; i < src_len; i++) { + c = src[i]; + if (c >= 0xac00 && c < 0xd7a4) { + /* Hangul decomposition */ + c -= 0xac00; + dbuf_put_u32(dbuf, 0x1100 + c / 588); + dbuf_put_u32(dbuf, 0x1161 + (c % 588) / 28); + v = c % 28; + if (v != 0) + dbuf_put_u32(dbuf, 0x11a7 + v); + } else { + l = unicode_decomp_char(res, c, is_compat); + if (l) { + to_nfd_rec(dbuf, (int *)res, l, is_compat); + } else { + dbuf_put_u32(dbuf, c); + } + } + } +} + +/* return 0 if not found */ +static int compose_pair(uint32_t c0, uint32_t c1) +{ + /* Hangul composition */ + if (c0 >= 0x1100 && c0 < 0x1100 + 19 && + c1 >= 0x1161 && c1 < 0x1161 + 21) { + return 0xac00 + (c0 - 0x1100) * 588 + (c1 - 0x1161) * 28; + } else if (c0 >= 0xac00 && c0 < 0xac00 + 11172 && + (c0 - 0xac00) % 28 == 0 && + c1 >= 0x11a7 && c1 < 0x11a7 + 28) { + return c0 + c1 - 0x11a7; + } else { + return unicode_compose_pair(c0, c1); + } +} + +int unicode_normalize(uint32_t **pdst, const uint32_t *src, int src_len, + UnicodeNormalizationEnum n_type, + void *opaque, DynBufReallocFunc *realloc_func) +{ + int *buf, buf_len, i, p, starter_pos, cc, last_cc, out_len; + BOOL is_compat; + DynBuf dbuf_s, *dbuf = &dbuf_s; + + is_compat = n_type >> 1; + + dbuf_init2(dbuf, opaque, realloc_func); + if (dbuf_realloc(dbuf, sizeof(int) * src_len)) + goto fail; + + /* common case: latin1 is unaffected by NFC */ + if (n_type == UNICODE_NFC) { + for(i = 0; i < src_len; i++) { + if (src[i] >= 0x100) + goto not_latin1; + } + buf = (int *)dbuf->buf; + memcpy(buf, src, src_len * sizeof(int)); + *pdst = (uint32_t *)buf; + return src_len; + not_latin1: ; + } + + to_nfd_rec(dbuf, (const int *)src, src_len, is_compat); + if (dbuf_error(dbuf)) { + fail: + *pdst = NULL; + return -1; + } + buf = (int *)dbuf->buf; + buf_len = dbuf->size / sizeof(int); + + sort_cc(buf, buf_len); + + if (buf_len <= 1 || (n_type & 1) != 0) { + /* NFD / NFKD */ + *pdst = (uint32_t *)buf; + return buf_len; + } + + i = 1; + out_len = 1; + while (i < buf_len) { + /* find the starter character and test if it is blocked from + the character at 'i' */ + last_cc = unicode_get_cc(buf[i]); + starter_pos = out_len - 1; + while (starter_pos >= 0) { + cc = unicode_get_cc(buf[starter_pos]); + if (cc == 0) + break; + if (cc >= last_cc) + goto next; + last_cc = 256; + starter_pos--; + } + if (starter_pos >= 0 && + (p = compose_pair(buf[starter_pos], buf[i])) != 0) { + buf[starter_pos] = p; + i++; + } else { + next: + buf[out_len++] = buf[i++]; + } + } + *pdst = (uint32_t *)buf; + return out_len; +} + +/* char ranges for various unicode properties */ + +static int unicode_find_name(const char *name_table, const char *name) +{ + const char *p, *r; + int pos; + size_t name_len, len; + + p = name_table; + pos = 0; + name_len = strlen(name); + while (*p) { + for(;;) { + r = strchr(p, ','); + if (!r) + len = strlen(p); + else + len = r - p; + if (len == name_len && !memcmp(p, name, name_len)) + return pos; + p += len + 1; + if (!r) + break; + } + pos++; + } + return -1; +} + +/* 'cr' must be initialized and empty. Return 0 if OK, -1 if error, -2 + if not found */ +int unicode_script(CharRange *cr, + const char *script_name, BOOL is_ext) +{ + int script_idx; + const uint8_t *p, *p_end; + uint32_t c, c1, b, n, v, v_len, i, type; + CharRange cr1_s, *cr1; + CharRange cr2_s, *cr2 = &cr2_s; + BOOL is_common; + + script_idx = unicode_find_name(unicode_script_name_table, script_name); + if (script_idx < 0) + return -2; + /* Note: we remove the "Unknown" Script */ + script_idx += UNICODE_SCRIPT_Unknown + 1; + + is_common = (script_idx == UNICODE_SCRIPT_Common || + script_idx == UNICODE_SCRIPT_Inherited); + if (is_ext) { + cr1 = &cr1_s; + cr_init(cr1, cr->mem_opaque, cr->realloc_func); + cr_init(cr2, cr->mem_opaque, cr->realloc_func); + } else { + cr1 = cr; + } + + p = unicode_script_table; + p_end = unicode_script_table + countof(unicode_script_table); + c = 0; + while (p < p_end) { + b = *p++; + type = b >> 7; + n = b & 0x7f; + if (n < 96) { + } else if (n < 112) { + n = (n - 96) << 8; + n |= *p++; + n += 96; + } else { + n = (n - 112) << 16; + n |= *p++ << 8; + n |= *p++; + n += 96 + (1 << 12); + } + if (type == 0) + v = 0; + else + v = *p++; + c1 = c + n + 1; + if (v == script_idx) { + if (cr_add_interval(cr1, c, c1)) + goto fail; + } + c = c1; + } + + if (is_ext) { + /* add the script extensions */ + p = unicode_script_ext_table; + p_end = unicode_script_ext_table + countof(unicode_script_ext_table); + c = 0; + while (p < p_end) { + b = *p++; + if (b < 128) { + n = b; + } else if (b < 128 + 64) { + n = (b - 128) << 8; + n |= *p++; + n += 128; + } else { + n = (b - 128 - 64) << 16; + n |= *p++ << 8; + n |= *p++; + n += 128 + (1 << 14); + } + c1 = c + n + 1; + v_len = *p++; + if (is_common) { + if (v_len != 0) { + if (cr_add_interval(cr2, c, c1)) + goto fail; + } + } else { + for(i = 0; i < v_len; i++) { + if (p[i] == script_idx) { + if (cr_add_interval(cr2, c, c1)) + goto fail; + break; + } + } + } + p += v_len; + c = c1; + } + if (is_common) { + /* remove all the characters with script extensions */ + if (cr_invert(cr2)) + goto fail; + if (cr_op(cr, cr1->points, cr1->len, cr2->points, cr2->len, + CR_OP_INTER)) + goto fail; + } else { + if (cr_op(cr, cr1->points, cr1->len, cr2->points, cr2->len, + CR_OP_UNION)) + goto fail; + } + cr_free(cr1); + cr_free(cr2); + } + return 0; + fail: + if (is_ext) { + cr_free(cr1); + cr_free(cr2); + } + goto fail; +} + +#define M(id) (1U << UNICODE_GC_ ## id) + +static int unicode_general_category1(CharRange *cr, uint32_t gc_mask) +{ + const uint8_t *p, *p_end; + uint32_t c, c0, b, n, v; + + p = unicode_gc_table; + p_end = unicode_gc_table + countof(unicode_gc_table); + c = 0; + while (p < p_end) { + b = *p++; + n = b >> 5; + v = b & 0x1f; + if (n == 7) { + n = *p++; + if (n < 128) { + n += 7; + } else if (n < 128 + 64) { + n = (n - 128) << 8; + n |= *p++; + n += 7 + 128; + } else { + n = (n - 128 - 64) << 16; + n |= *p++ << 8; + n |= *p++; + n += 7 + 128 + (1 << 14); + } + } + c0 = c; + c += n + 1; + if (v == 31) { + /* run of Lu / Ll */ + b = gc_mask & (M(Lu) | M(Ll)); + if (b != 0) { + if (b == (M(Lu) | M(Ll))) { + goto add_range; + } else { + c0 += ((gc_mask & M(Ll)) != 0); + for(; c0 < c; c0 += 2) { + if (cr_add_interval(cr, c0, c0 + 1)) + return -1; + } + } + } + } else if ((gc_mask >> v) & 1) { + add_range: + if (cr_add_interval(cr, c0, c)) + return -1; + } + } + return 0; +} + +static int unicode_prop1(CharRange *cr, int prop_idx) +{ + const uint8_t *p, *p_end; + uint32_t c, c0, b, bit; + + p = unicode_prop_table[prop_idx]; + p_end = p + unicode_prop_len_table[prop_idx]; + c = 0; + bit = 0; + while (p < p_end) { + c0 = c; + b = *p++; + if (b < 64) { + c += (b >> 3) + 1; + if (bit) { + if (cr_add_interval(cr, c0, c)) + return -1; + } + bit ^= 1; + c0 = c; + c += (b & 7) + 1; + } else if (b >= 0x80) { + c += b - 0x80 + 1; + } else if (b < 0x60) { + c += (((b - 0x40) << 8) | p[0]) + 1; + p++; + } else { + c += (((b - 0x60) << 16) | (p[0] << 8) | p[1]) + 1; + p += 2; + } + if (bit) { + if (cr_add_interval(cr, c0, c)) + return -1; + } + bit ^= 1; + } + return 0; +} + +#define CASE_U (1 << 0) +#define CASE_L (1 << 1) +#define CASE_F (1 << 2) + +/* use the case conversion table to generate range of characters. + CASE_U: set char if modified by uppercasing, + CASE_L: set char if modified by lowercasing, + CASE_F: set char if modified by case folding, + */ +static int unicode_case1(CharRange *cr, int case_mask) +{ +#define MR(x) (1 << RUN_TYPE_ ## x) + const uint32_t tab_run_mask[3] = { + MR(U) | MR(UF) | MR(UL) | MR(LSU) | MR(U2L_399_EXT2) | MR(UF_D20) | + MR(UF_D1_EXT) | MR(U_EXT) | MR(U_EXT2) | MR(U_EXT3), + + MR(L) | MR(LF) | MR(UL) | MR(LSU) | MR(U2L_399_EXT2) | MR(LF_EXT) | MR(L_EXT2), + + MR(UF) | MR(LF) | MR(UL) | MR(LSU) | MR(U2L_399_EXT2) | MR(LF_EXT) | MR(UF_D20) | MR(UF_D1_EXT) | MR(LF_EXT), + }; +#undef MR + uint32_t mask, v, code, type, len, i, idx; + + if (case_mask == 0) + return 0; + mask = 0; + for(i = 0; i < 3; i++) { + if ((case_mask >> i) & 1) + mask |= tab_run_mask[i]; + } + for(idx = 0; idx < countof(case_conv_table1); idx++) { + v = case_conv_table1[idx]; + type = (v >> (32 - 17 - 7 - 4)) & 0xf; + code = v >> (32 - 17); + len = (v >> (32 - 17 - 7)) & 0x7f; + if ((mask >> type) & 1) { + // printf("%d: type=%d %04x %04x\n", idx, type, code, code + len - 1); + switch(type) { + case RUN_TYPE_UL: + if ((case_mask & CASE_U) && (case_mask & (CASE_L | CASE_F))) + goto def_case; + code += ((case_mask & CASE_U) != 0); + for(i = 0; i < len; i += 2) { + if (cr_add_interval(cr, code + i, code + i + 1)) + return -1; + } + break; + case RUN_TYPE_LSU: + if ((case_mask & CASE_U) && (case_mask & (CASE_L | CASE_F))) + goto def_case; + if (!(case_mask & CASE_U)) { + if (cr_add_interval(cr, code, code + 1)) + return -1; + } + if (cr_add_interval(cr, code + 1, code + 2)) + return -1; + if (case_mask & CASE_U) { + if (cr_add_interval(cr, code + 2, code + 3)) + return -1; + } + break; + default: + def_case: + if (cr_add_interval(cr, code, code + len)) + return -1; + break; + } + } + } + return 0; +} + +typedef enum { + POP_GC, + POP_PROP, + POP_CASE, + POP_UNION, + POP_INTER, + POP_XOR, + POP_INVERT, + POP_END, +} PropOPEnum; + +#define POP_STACK_LEN_MAX 4 + +static int unicode_prop_ops(CharRange *cr, ...) +{ + va_list ap; + CharRange stack[POP_STACK_LEN_MAX]; + int stack_len, op, ret, i; + uint32_t a; + + va_start(ap, cr); + stack_len = 0; + for(;;) { + op = va_arg(ap, int); + switch(op) { + case POP_GC: + assert(stack_len < POP_STACK_LEN_MAX); + a = va_arg(ap, int); + cr_init(&stack[stack_len++], cr->mem_opaque, cr->realloc_func); + if (unicode_general_category1(&stack[stack_len - 1], a)) + goto fail; + break; + case POP_PROP: + assert(stack_len < POP_STACK_LEN_MAX); + a = va_arg(ap, int); + cr_init(&stack[stack_len++], cr->mem_opaque, cr->realloc_func); + if (unicode_prop1(&stack[stack_len - 1], a)) + goto fail; + break; + case POP_CASE: + assert(stack_len < POP_STACK_LEN_MAX); + a = va_arg(ap, int); + cr_init(&stack[stack_len++], cr->mem_opaque, cr->realloc_func); + if (unicode_case1(&stack[stack_len - 1], a)) + goto fail; + break; + case POP_UNION: + case POP_INTER: + case POP_XOR: + { + CharRange *cr1, *cr2, *cr3; + assert(stack_len >= 2); + assert(stack_len < POP_STACK_LEN_MAX); + cr1 = &stack[stack_len - 2]; + cr2 = &stack[stack_len - 1]; + cr3 = &stack[stack_len++]; + cr_init(cr3, cr->mem_opaque, cr->realloc_func); + if (cr_op(cr3, cr1->points, cr1->len, + cr2->points, cr2->len, op - POP_UNION + CR_OP_UNION)) + goto fail; + cr_free(cr1); + cr_free(cr2); + *cr1 = *cr3; + stack_len -= 2; + } + break; + case POP_INVERT: + assert(stack_len >= 1); + if (cr_invert(&stack[stack_len - 1])) + goto fail; + break; + case POP_END: + goto done; + default: + abort(); + } + } + done: + assert(stack_len == 1); + ret = cr_copy(cr, &stack[0]); + cr_free(&stack[0]); + return ret; + fail: + for(i = 0; i < stack_len; i++) + cr_free(&stack[i]); + return -1; +} + +static const uint32_t unicode_gc_mask_table[] = { + M(Lu) | M(Ll) | M(Lt), /* LC */ + M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo), /* L */ + M(Mn) | M(Mc) | M(Me), /* M */ + M(Nd) | M(Nl) | M(No), /* N */ + M(Sm) | M(Sc) | M(Sk) | M(So), /* S */ + M(Pc) | M(Pd) | M(Ps) | M(Pe) | M(Pi) | M(Pf) | M(Po), /* P */ + M(Zs) | M(Zl) | M(Zp), /* Z */ + M(Cc) | M(Cf) | M(Cs) | M(Co) | M(Cn), /* C */ +}; + +/* 'cr' must be initialized and empty. Return 0 if OK, -1 if error, -2 + if not found */ +int unicode_general_category(CharRange *cr, const char *gc_name) +{ + int gc_idx; + uint32_t gc_mask; + + gc_idx = unicode_find_name(unicode_gc_name_table, gc_name); + if (gc_idx < 0) + return -2; + if (gc_idx <= UNICODE_GC_Co) { + gc_mask = (uint64_t)1 << gc_idx; + } else { + gc_mask = unicode_gc_mask_table[gc_idx - UNICODE_GC_LC]; + } + return unicode_general_category1(cr, gc_mask); +} + + +/* 'cr' must be initialized and empty. Return 0 if OK, -1 if error, -2 + if not found */ +int unicode_prop(CharRange *cr, const char *prop_name) +{ + int prop_idx, ret; + + prop_idx = unicode_find_name(unicode_prop_name_table, prop_name); + if (prop_idx < 0) + return -2; + prop_idx += UNICODE_PROP_ASCII_Hex_Digit; + + ret = 0; + switch(prop_idx) { + case UNICODE_PROP_ASCII: + if (cr_add_interval(cr, 0x00, 0x7f + 1)) + return -1; + break; + case UNICODE_PROP_Any: + if (cr_add_interval(cr, 0x00000, 0x10ffff + 1)) + return -1; + break; + case UNICODE_PROP_Assigned: + ret = unicode_prop_ops(cr, + POP_GC, M(Cn), + POP_INVERT, + POP_END); + break; + case UNICODE_PROP_Math: + ret = unicode_prop_ops(cr, + POP_GC, M(Sm), + POP_PROP, UNICODE_PROP_Other_Math, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_Lowercase: + ret = unicode_prop_ops(cr, + POP_GC, M(Ll), + POP_PROP, UNICODE_PROP_Other_Lowercase, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_Uppercase: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu), + POP_PROP, UNICODE_PROP_Other_Uppercase, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_Cased: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt), + POP_PROP, UNICODE_PROP_Other_Uppercase, + POP_UNION, + POP_PROP, UNICODE_PROP_Other_Lowercase, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_Alphabetic: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo) | M(Nl), + POP_PROP, UNICODE_PROP_Other_Uppercase, + POP_UNION, + POP_PROP, UNICODE_PROP_Other_Lowercase, + POP_UNION, + POP_PROP, UNICODE_PROP_Other_Alphabetic, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_Grapheme_Base: + ret = unicode_prop_ops(cr, + POP_GC, M(Cc) | M(Cf) | M(Cs) | M(Co) | M(Cn) | M(Zl) | M(Zp) | M(Me) | M(Mn), + POP_PROP, UNICODE_PROP_Other_Grapheme_Extend, + POP_UNION, + POP_INVERT, + POP_END); + break; + case UNICODE_PROP_Grapheme_Extend: + ret = unicode_prop_ops(cr, + POP_GC, M(Me) | M(Mn), + POP_PROP, UNICODE_PROP_Other_Grapheme_Extend, + POP_UNION, + POP_END); + break; + case UNICODE_PROP_XID_Start: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo) | M(Nl), + POP_PROP, UNICODE_PROP_Other_ID_Start, + POP_UNION, + POP_PROP, UNICODE_PROP_Pattern_Syntax, + POP_PROP, UNICODE_PROP_Pattern_White_Space, + POP_UNION, + POP_PROP, UNICODE_PROP_XID_Start1, + POP_UNION, + POP_INVERT, + POP_INTER, + POP_END); + break; + case UNICODE_PROP_XID_Continue: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo) | M(Nl) | + M(Mn) | M(Mc) | M(Nd) | M(Pc), + POP_PROP, UNICODE_PROP_Other_ID_Start, + POP_UNION, + POP_PROP, UNICODE_PROP_Other_ID_Continue, + POP_UNION, + POP_PROP, UNICODE_PROP_Pattern_Syntax, + POP_PROP, UNICODE_PROP_Pattern_White_Space, + POP_UNION, + POP_PROP, UNICODE_PROP_XID_Continue1, + POP_UNION, + POP_INVERT, + POP_INTER, + POP_END); + break; + case UNICODE_PROP_Changes_When_Uppercased: + ret = unicode_case1(cr, CASE_U); + break; + case UNICODE_PROP_Changes_When_Lowercased: + ret = unicode_case1(cr, CASE_L); + break; + case UNICODE_PROP_Changes_When_Casemapped: + ret = unicode_case1(cr, CASE_U | CASE_L | CASE_F); + break; + case UNICODE_PROP_Changes_When_Titlecased: + ret = unicode_prop_ops(cr, + POP_CASE, CASE_U, + POP_PROP, UNICODE_PROP_Changes_When_Titlecased1, + POP_XOR, + POP_END); + break; + case UNICODE_PROP_Changes_When_Casefolded: + ret = unicode_prop_ops(cr, + POP_CASE, CASE_F, + POP_PROP, UNICODE_PROP_Changes_When_Casefolded1, + POP_XOR, + POP_END); + break; + case UNICODE_PROP_Changes_When_NFKC_Casefolded: + ret = unicode_prop_ops(cr, + POP_CASE, CASE_F, + POP_PROP, UNICODE_PROP_Changes_When_NFKC_Casefolded1, + POP_XOR, + POP_END); + break; +#if 0 + case UNICODE_PROP_ID_Start: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo) | M(Nl), + POP_PROP, UNICODE_PROP_Other_ID_Start, + POP_UNION, + POP_PROP, UNICODE_PROP_Pattern_Syntax, + POP_PROP, UNICODE_PROP_Pattern_White_Space, + POP_UNION, + POP_INVERT, + POP_INTER, + POP_END); + break; + case UNICODE_PROP_ID_Continue: + ret = unicode_prop_ops(cr, + POP_GC, M(Lu) | M(Ll) | M(Lt) | M(Lm) | M(Lo) | M(Nl) | + M(Mn) | M(Mc) | M(Nd) | M(Pc), + POP_PROP, UNICODE_PROP_Other_ID_Start, + POP_UNION, + POP_PROP, UNICODE_PROP_Other_ID_Continue, + POP_UNION, + POP_PROP, UNICODE_PROP_Pattern_Syntax, + POP_PROP, UNICODE_PROP_Pattern_White_Space, + POP_UNION, + POP_INVERT, + POP_INTER, + POP_END); + break; + case UNICODE_PROP_Case_Ignorable: + ret = unicode_prop_ops(cr, + POP_GC, M(Mn) | M(Cf) | M(Lm) | M(Sk), + POP_PROP, UNICODE_PROP_Case_Ignorable1, + POP_XOR, + POP_END); + break; +#else + /* we use the existing tables */ + case UNICODE_PROP_ID_Continue: + ret = unicode_prop_ops(cr, + POP_PROP, UNICODE_PROP_ID_Start, + POP_PROP, UNICODE_PROP_ID_Continue1, + POP_XOR, + POP_END); + break; +#endif + default: + if (prop_idx >= countof(unicode_prop_table)) + return -2; + ret = unicode_prop1(cr, prop_idx); + break; + } + return ret; +} + +#endif /* CONFIG_ALL_UNICODE */ diff --git a/android/src/main/jni/quickjs/libunicode.h b/android/src/main/jni/quickjs/libunicode.h new file mode 100644 index 0000000..cfa600a --- /dev/null +++ b/android/src/main/jni/quickjs/libunicode.h @@ -0,0 +1,124 @@ +/* + * Unicode utilities + * + * Copyright (c) 2017-2018 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef LIBUNICODE_H +#define LIBUNICODE_H + +#include + +#define LRE_BOOL int /* for documentation purposes */ + +/* define it to include all the unicode tables (40KB larger) */ +#define CONFIG_ALL_UNICODE + +#define LRE_CC_RES_LEN_MAX 3 + +typedef enum { + UNICODE_NFC, + UNICODE_NFD, + UNICODE_NFKC, + UNICODE_NFKD, +} UnicodeNormalizationEnum; + +int lre_case_conv(uint32_t *res, uint32_t c, int conv_type); +LRE_BOOL lre_is_cased(uint32_t c); +LRE_BOOL lre_is_case_ignorable(uint32_t c); + +/* char ranges */ + +typedef struct { + int len; /* in points, always even */ + int size; + uint32_t *points; /* points sorted by increasing value */ + void *mem_opaque; + void *(*realloc_func)(void *opaque, void *ptr, size_t size); +} CharRange; + +typedef enum { + CR_OP_UNION, + CR_OP_INTER, + CR_OP_XOR, +} CharRangeOpEnum; + +void cr_init(CharRange *cr, void *mem_opaque, void *(*realloc_func)(void *opaque, void *ptr, size_t size)); +void cr_free(CharRange *cr); +int cr_realloc(CharRange *cr, int size); +int cr_copy(CharRange *cr, const CharRange *cr1); + +static inline int cr_add_point(CharRange *cr, uint32_t v) +{ + if (cr->len >= cr->size) { + if (cr_realloc(cr, cr->len + 1)) + return -1; + } + cr->points[cr->len++] = v; + return 0; +} + +static inline int cr_add_interval(CharRange *cr, uint32_t c1, uint32_t c2) +{ + if ((cr->len + 2) > cr->size) { + if (cr_realloc(cr, cr->len + 2)) + return -1; + } + cr->points[cr->len++] = c1; + cr->points[cr->len++] = c2; + return 0; +} + +int cr_union1(CharRange *cr, const uint32_t *b_pt, int b_len); + +static inline int cr_union_interval(CharRange *cr, uint32_t c1, uint32_t c2) +{ + uint32_t b_pt[2]; + b_pt[0] = c1; + b_pt[1] = c2 + 1; + return cr_union1(cr, b_pt, 2); +} + +int cr_op(CharRange *cr, const uint32_t *a_pt, int a_len, + const uint32_t *b_pt, int b_len, int op); + +int cr_invert(CharRange *cr); + +#ifdef CONFIG_ALL_UNICODE + +LRE_BOOL lre_is_id_start(uint32_t c); +LRE_BOOL lre_is_id_continue(uint32_t c); + +int unicode_normalize(uint32_t **pdst, const uint32_t *src, int src_len, + UnicodeNormalizationEnum n_type, + void *opaque, void *(*realloc_func)(void *opaque, void *ptr, size_t size)); + +/* Unicode character range functions */ + +int unicode_script(CharRange *cr, + const char *script_name, LRE_BOOL is_ext); +int unicode_general_category(CharRange *cr, const char *gc_name); +int unicode_prop(CharRange *cr, const char *prop_name); + +#endif /* CONFIG_ALL_UNICODE */ + +#undef LRE_BOOL + +#endif /* LIBUNICODE_H */ diff --git a/android/src/main/jni/quickjs/list.h b/android/src/main/jni/quickjs/list.h new file mode 100644 index 0000000..0a1bc5a --- /dev/null +++ b/android/src/main/jni/quickjs/list.h @@ -0,0 +1,100 @@ +/* + * Linux klist like system + * + * Copyright (c) 2016-2017 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef LIST_H +#define LIST_H + +#ifndef NULL +#include +#endif + +struct list_head { + struct list_head *prev; + struct list_head *next; +}; + +#define LIST_HEAD_INIT(el) { &(el), &(el) } + +/* return the pointer of type 'type *' containing 'el' as field 'member' */ +#define list_entry(el, type, member) \ + ((type *)((uint8_t *)(el) - offsetof(type, member))) + +static inline void init_list_head(struct list_head *head) +{ + head->prev = head; + head->next = head; +} + +/* insert 'el' between 'prev' and 'next' */ +static inline void __list_add(struct list_head *el, + struct list_head *prev, struct list_head *next) +{ + prev->next = el; + el->prev = prev; + el->next = next; + next->prev = el; +} + +/* add 'el' at the head of the list 'head' (= after element head) */ +static inline void list_add(struct list_head *el, struct list_head *head) +{ + __list_add(el, head, head->next); +} + +/* add 'el' at the end of the list 'head' (= before element head) */ +static inline void list_add_tail(struct list_head *el, struct list_head *head) +{ + __list_add(el, head->prev, head); +} + +static inline void list_del(struct list_head *el) +{ + struct list_head *prev, *next; + prev = el->prev; + next = el->next; + prev->next = next; + next->prev = prev; + el->prev = NULL; /* fail safe */ + el->next = NULL; /* fail safe */ +} + +static inline int list_empty(struct list_head *el) +{ + return el->next == el; +} + +#define list_for_each(el, head) \ + for(el = (head)->next; el != (head); el = el->next) + +#define list_for_each_safe(el, el1, head) \ + for(el = (head)->next, el1 = el->next; el != (head); \ + el = el1, el1 = el->next) + +#define list_for_each_prev(el, head) \ + for(el = (head)->prev; el != (head); el = el->prev) + +#define list_for_each_prev_safe(el, el1, head) \ + for(el = (head)->prev, el1 = el->prev; el != (head); \ + el = el1, el1 = el->prev) + +#endif /* LIST_H */ diff --git a/android/src/main/jni/quickjs/quickjs-atom.h b/android/src/main/jni/quickjs/quickjs-atom.h new file mode 100644 index 0000000..a353ad4 --- /dev/null +++ b/android/src/main/jni/quickjs/quickjs-atom.h @@ -0,0 +1,272 @@ +/* + * QuickJS atom definitions + * + * Copyright (c) 2017-2018 Fabrice Bellard + * Copyright (c) 2017-2018 Charlie Gordon + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifdef DEF + +/* Note: first atoms are considered as keywords in the parser */ +DEF(null, "null") /* must be first */ +DEF(false, "false") +DEF(true, "true") +DEF(if, "if") +DEF(else, "else") +DEF(return, "return") +DEF(var, "var") +DEF(this, "this") +DEF(delete, "delete") +DEF(void, "void") +DEF(typeof, "typeof") +DEF(new, "new") +DEF(in, "in") +DEF(instanceof, "instanceof") +DEF(do, "do") +DEF(while, "while") +DEF(for, "for") +DEF(break, "break") +DEF(continue, "continue") +DEF(switch, "switch") +DEF(case, "case") +DEF(default, "default") +DEF(throw, "throw") +DEF(try, "try") +DEF(catch, "catch") +DEF(finally, "finally") +DEF(function, "function") +DEF(debugger, "debugger") +DEF(with, "with") +/* FutureReservedWord */ +DEF(class, "class") +DEF(const, "const") +DEF(enum, "enum") +DEF(export, "export") +DEF(extends, "extends") +DEF(import, "import") +DEF(super, "super") +/* FutureReservedWords when parsing strict mode code */ +DEF(implements, "implements") +DEF(interface, "interface") +DEF(let, "let") +DEF(package, "package") +DEF(private, "private") +DEF(protected, "protected") +DEF(public, "public") +DEF(static, "static") +DEF(yield, "yield") +DEF(await, "await") + +/* empty string */ +DEF(empty_string, "") +/* identifiers */ +DEF(length, "length") +DEF(fileName, "fileName") +DEF(lineNumber, "lineNumber") +DEF(message, "message") +DEF(errors, "errors") +DEF(stack, "stack") +DEF(name, "name") +DEF(toString, "toString") +DEF(toLocaleString, "toLocaleString") +DEF(valueOf, "valueOf") +DEF(eval, "eval") +DEF(prototype, "prototype") +DEF(constructor, "constructor") +DEF(configurable, "configurable") +DEF(writable, "writable") +DEF(enumerable, "enumerable") +DEF(value, "value") +DEF(get, "get") +DEF(set, "set") +DEF(of, "of") +DEF(__proto__, "__proto__") +DEF(undefined, "undefined") +DEF(number, "number") +DEF(boolean, "boolean") +DEF(string, "string") +DEF(object, "object") +DEF(symbol, "symbol") +DEF(integer, "integer") +DEF(unknown, "unknown") +DEF(arguments, "arguments") +DEF(callee, "callee") +DEF(caller, "caller") +DEF(_eval_, "") +DEF(_ret_, "") +DEF(_var_, "") +DEF(_with_, "") +DEF(lastIndex, "lastIndex") +DEF(target, "target") +DEF(index, "index") +DEF(input, "input") +DEF(defineProperties, "defineProperties") +DEF(apply, "apply") +DEF(join, "join") +DEF(concat, "concat") +DEF(split, "split") +DEF(construct, "construct") +DEF(getPrototypeOf, "getPrototypeOf") +DEF(setPrototypeOf, "setPrototypeOf") +DEF(isExtensible, "isExtensible") +DEF(preventExtensions, "preventExtensions") +DEF(has, "has") +DEF(deleteProperty, "deleteProperty") +DEF(defineProperty, "defineProperty") +DEF(getOwnPropertyDescriptor, "getOwnPropertyDescriptor") +DEF(ownKeys, "ownKeys") +DEF(add, "add") +DEF(done, "done") +DEF(next, "next") +DEF(values, "values") +DEF(source, "source") +DEF(flags, "flags") +DEF(global, "global") +DEF(unicode, "unicode") +DEF(raw, "raw") +DEF(new_target, "new.target") +DEF(this_active_func, "this.active_func") +DEF(home_object, "") +DEF(computed_field, "") +DEF(static_computed_field, "") /* must come after computed_fields */ +DEF(class_fields_init, "") +DEF(brand, "") +DEF(hash_constructor, "#constructor") +DEF(as, "as") +DEF(from, "from") +DEF(meta, "meta") +DEF(_default_, "*default*") +DEF(_star_, "*") +DEF(Module, "Module") +DEF(then, "then") +DEF(resolve, "resolve") +DEF(reject, "reject") +DEF(promise, "promise") +DEF(proxy, "proxy") +DEF(revoke, "revoke") +DEF(async, "async") +DEF(exec, "exec") +DEF(groups, "groups") +DEF(status, "status") +DEF(reason, "reason") +DEF(globalThis, "globalThis") +#ifdef CONFIG_BIGNUM +DEF(bigint, "bigint") +DEF(bigfloat, "bigfloat") +DEF(bigdecimal, "bigdecimal") +DEF(roundingMode, "roundingMode") +DEF(maximumSignificantDigits, "maximumSignificantDigits") +DEF(maximumFractionDigits, "maximumFractionDigits") +#endif +#ifdef CONFIG_ATOMICS +DEF(not_equal, "not-equal") +DEF(timed_out, "timed-out") +DEF(ok, "ok") +#endif +DEF(toJSON, "toJSON") +/* class names */ +DEF(Object, "Object") +DEF(Array, "Array") +DEF(Error, "Error") +DEF(Number, "Number") +DEF(String, "String") +DEF(Boolean, "Boolean") +DEF(Symbol, "Symbol") +DEF(Arguments, "Arguments") +DEF(Math, "Math") +DEF(JSON, "JSON") +DEF(Date, "Date") +DEF(Function, "Function") +DEF(GeneratorFunction, "GeneratorFunction") +DEF(ForInIterator, "ForInIterator") +DEF(RegExp, "RegExp") +DEF(ArrayBuffer, "ArrayBuffer") +DEF(SharedArrayBuffer, "SharedArrayBuffer") +/* must keep same order as class IDs for typed arrays */ +DEF(Uint8ClampedArray, "Uint8ClampedArray") +DEF(Int8Array, "Int8Array") +DEF(Uint8Array, "Uint8Array") +DEF(Int16Array, "Int16Array") +DEF(Uint16Array, "Uint16Array") +DEF(Int32Array, "Int32Array") +DEF(Uint32Array, "Uint32Array") +#ifdef CONFIG_BIGNUM +DEF(BigInt64Array, "BigInt64Array") +DEF(BigUint64Array, "BigUint64Array") +#endif +DEF(Float32Array, "Float32Array") +DEF(Float64Array, "Float64Array") +DEF(DataView, "DataView") +#ifdef CONFIG_BIGNUM +DEF(BigInt, "BigInt") +DEF(BigFloat, "BigFloat") +DEF(BigFloatEnv, "BigFloatEnv") +DEF(BigDecimal, "BigDecimal") +DEF(OperatorSet, "OperatorSet") +DEF(Operators, "Operators") +#endif +DEF(Map, "Map") +DEF(Set, "Set") /* Map + 1 */ +DEF(WeakMap, "WeakMap") /* Map + 2 */ +DEF(WeakSet, "WeakSet") /* Map + 3 */ +DEF(Map_Iterator, "Map Iterator") +DEF(Set_Iterator, "Set Iterator") +DEF(Array_Iterator, "Array Iterator") +DEF(String_Iterator, "String Iterator") +DEF(RegExp_String_Iterator, "RegExp String Iterator") +DEF(Generator, "Generator") +DEF(Proxy, "Proxy") +DEF(Promise, "Promise") +DEF(PromiseResolveFunction, "PromiseResolveFunction") +DEF(PromiseRejectFunction, "PromiseRejectFunction") +DEF(AsyncFunction, "AsyncFunction") +DEF(AsyncFunctionResolve, "AsyncFunctionResolve") +DEF(AsyncFunctionReject, "AsyncFunctionReject") +DEF(AsyncGeneratorFunction, "AsyncGeneratorFunction") +DEF(AsyncGenerator, "AsyncGenerator") +DEF(EvalError, "EvalError") +DEF(RangeError, "RangeError") +DEF(ReferenceError, "ReferenceError") +DEF(SyntaxError, "SyntaxError") +DEF(TypeError, "TypeError") +DEF(URIError, "URIError") +DEF(InternalError, "InternalError") +/* private symbols */ +DEF(Private_brand, "") +/* symbols */ +DEF(Symbol_toPrimitive, "Symbol.toPrimitive") +DEF(Symbol_iterator, "Symbol.iterator") +DEF(Symbol_match, "Symbol.match") +DEF(Symbol_matchAll, "Symbol.matchAll") +DEF(Symbol_replace, "Symbol.replace") +DEF(Symbol_search, "Symbol.search") +DEF(Symbol_split, "Symbol.split") +DEF(Symbol_toStringTag, "Symbol.toStringTag") +DEF(Symbol_isConcatSpreadable, "Symbol.isConcatSpreadable") +DEF(Symbol_hasInstance, "Symbol.hasInstance") +DEF(Symbol_species, "Symbol.species") +DEF(Symbol_unscopables, "Symbol.unscopables") +DEF(Symbol_asyncIterator, "Symbol.asyncIterator") +#ifdef CONFIG_BIGNUM +DEF(Symbol_operatorSet, "Symbol.operatorSet") +#endif + +#endif /* DEF */ diff --git a/android/src/main/jni/quickjs/quickjs-opcode.h b/android/src/main/jni/quickjs/quickjs-opcode.h new file mode 100644 index 0000000..230f6e4 --- /dev/null +++ b/android/src/main/jni/quickjs/quickjs-opcode.h @@ -0,0 +1,367 @@ +/* + * QuickJS opcode definitions + * + * Copyright (c) 2017-2018 Fabrice Bellard + * Copyright (c) 2017-2018 Charlie Gordon + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifdef FMT +FMT(none) +FMT(none_int) +FMT(none_loc) +FMT(none_arg) +FMT(none_var_ref) +FMT(u8) +FMT(i8) +FMT(loc8) +FMT(const8) +FMT(label8) +FMT(u16) +FMT(i16) +FMT(label16) +FMT(npop) +FMT(npopx) +FMT(npop_u16) +FMT(loc) +FMT(arg) +FMT(var_ref) +FMT(u32) +FMT(i32) +FMT(const) +FMT(label) +FMT(atom) +FMT(atom_u8) +FMT(atom_u16) +FMT(atom_label_u8) +FMT(atom_label_u16) +FMT(label_u16) +#undef FMT +#endif /* FMT */ + +#ifdef DEF + +#ifndef def +#define def(id, size, n_pop, n_push, f) DEF(id, size, n_pop, n_push, f) +#endif + +DEF(invalid, 1, 0, 0, none) /* never emitted */ + +/* push values */ +DEF( push_i32, 5, 0, 1, i32) +DEF( push_const, 5, 0, 1, const) +DEF( fclosure, 5, 0, 1, const) /* must follow push_const */ +DEF(push_atom_value, 5, 0, 1, atom) +DEF( private_symbol, 5, 0, 1, atom) +DEF( undefined, 1, 0, 1, none) +DEF( null, 1, 0, 1, none) +DEF( push_this, 1, 0, 1, none) /* only used at the start of a function */ +DEF( push_false, 1, 0, 1, none) +DEF( push_true, 1, 0, 1, none) +DEF( object, 1, 0, 1, none) +DEF( special_object, 2, 0, 1, u8) /* only used at the start of a function */ +DEF( rest, 3, 0, 1, u16) /* only used at the start of a function */ + +DEF( drop, 1, 1, 0, none) /* a -> */ +DEF( nip, 1, 2, 1, none) /* a b -> b */ +DEF( nip1, 1, 3, 2, none) /* a b c -> b c */ +DEF( dup, 1, 1, 2, none) /* a -> a a */ +DEF( dup1, 1, 2, 3, none) /* a b -> a a b */ +DEF( dup2, 1, 2, 4, none) /* a b -> a b a b */ +DEF( dup3, 1, 3, 6, none) /* a b c -> a b c a b c */ +DEF( insert2, 1, 2, 3, none) /* obj a -> a obj a (dup_x1) */ +DEF( insert3, 1, 3, 4, none) /* obj prop a -> a obj prop a (dup_x2) */ +DEF( insert4, 1, 4, 5, none) /* this obj prop a -> a this obj prop a */ +DEF( perm3, 1, 3, 3, none) /* obj a b -> a obj b */ +DEF( perm4, 1, 4, 4, none) /* obj prop a b -> a obj prop b */ +DEF( perm5, 1, 5, 5, none) /* this obj prop a b -> a this obj prop b */ +DEF( swap, 1, 2, 2, none) /* a b -> b a */ +DEF( swap2, 1, 4, 4, none) /* a b c d -> c d a b */ +DEF( rot3l, 1, 3, 3, none) /* x a b -> a b x */ +DEF( rot3r, 1, 3, 3, none) /* a b x -> x a b */ +DEF( rot4l, 1, 4, 4, none) /* x a b c -> a b c x */ +DEF( rot5l, 1, 5, 5, none) /* x a b c d -> a b c d x */ + +DEF(call_constructor, 3, 2, 1, npop) /* func new.target args -> ret. arguments are not counted in n_pop */ +DEF( call, 3, 1, 1, npop) /* arguments are not counted in n_pop */ +DEF( tail_call, 3, 1, 0, npop) /* arguments are not counted in n_pop */ +DEF( call_method, 3, 2, 1, npop) /* arguments are not counted in n_pop */ +DEF(tail_call_method, 3, 2, 0, npop) /* arguments are not counted in n_pop */ +DEF( array_from, 3, 0, 1, npop) /* arguments are not counted in n_pop */ +DEF( apply, 3, 3, 1, u16) +DEF( return, 1, 1, 0, none) +DEF( return_undef, 1, 0, 0, none) +DEF(check_ctor_return, 1, 1, 2, none) +DEF( check_ctor, 1, 0, 0, none) +DEF( check_brand, 1, 2, 2, none) /* this_obj func -> this_obj func */ +DEF( add_brand, 1, 2, 0, none) /* this_obj home_obj -> */ +DEF( return_async, 1, 1, 0, none) +DEF( throw, 1, 1, 0, none) +DEF( throw_var, 6, 0, 0, atom_u8) +DEF( eval, 5, 1, 1, npop_u16) /* func args... -> ret_val */ +DEF( apply_eval, 3, 2, 1, u16) /* func array -> ret_eval */ +DEF( regexp, 1, 2, 1, none) /* create a RegExp object from the pattern and a + bytecode string */ +DEF( get_super, 1, 1, 1, none) +DEF( import, 1, 1, 1, none) /* dynamic module import */ + +DEF( check_var, 5, 0, 1, atom) /* check if a variable exists */ +DEF( get_var_undef, 5, 0, 1, atom) /* push undefined if the variable does not exist */ +DEF( get_var, 5, 0, 1, atom) /* throw an exception if the variable does not exist */ +DEF( put_var, 5, 1, 0, atom) /* must come after get_var */ +DEF( put_var_init, 5, 1, 0, atom) /* must come after put_var. Used to initialize a global lexical variable */ +DEF( put_var_strict, 5, 2, 0, atom) /* for strict mode variable write */ + +DEF( get_ref_value, 1, 2, 3, none) +DEF( put_ref_value, 1, 3, 0, none) + +DEF( define_var, 6, 0, 0, atom_u8) +DEF(check_define_var, 6, 0, 0, atom_u8) +DEF( define_func, 6, 1, 0, atom_u8) +DEF( get_field, 5, 1, 1, atom) +DEF( get_field2, 5, 1, 2, atom) +DEF( put_field, 5, 2, 0, atom) +DEF( get_private_field, 1, 2, 1, none) /* obj prop -> value */ +DEF( put_private_field, 1, 3, 0, none) /* obj value prop -> */ +DEF(define_private_field, 1, 3, 1, none) /* obj prop value -> obj */ +DEF( get_array_el, 1, 2, 1, none) +DEF( get_array_el2, 1, 2, 2, none) /* obj prop -> obj value */ +DEF( put_array_el, 1, 3, 0, none) +DEF(get_super_value, 1, 3, 1, none) /* this obj prop -> value */ +DEF(put_super_value, 1, 4, 0, none) /* this obj prop value -> */ +DEF( define_field, 5, 2, 1, atom) +DEF( set_name, 5, 1, 1, atom) +DEF(set_name_computed, 1, 2, 2, none) +DEF( set_proto, 1, 2, 1, none) +DEF(set_home_object, 1, 2, 2, none) +DEF(define_array_el, 1, 3, 2, none) +DEF( append, 1, 3, 2, none) /* append enumerated object, update length */ +DEF(copy_data_properties, 2, 3, 3, u8) +DEF( define_method, 6, 2, 1, atom_u8) +DEF(define_method_computed, 2, 3, 1, u8) /* must come after define_method */ +DEF( define_class, 6, 2, 2, atom_u8) /* parent ctor -> ctor proto */ +DEF( define_class_computed, 6, 3, 3, atom_u8) /* field_name parent ctor -> field_name ctor proto (class with computed name) */ + +DEF( get_loc, 3, 0, 1, loc) +DEF( put_loc, 3, 1, 0, loc) /* must come after get_loc */ +DEF( set_loc, 3, 1, 1, loc) /* must come after put_loc */ +DEF( get_arg, 3, 0, 1, arg) +DEF( put_arg, 3, 1, 0, arg) /* must come after get_arg */ +DEF( set_arg, 3, 1, 1, arg) /* must come after put_arg */ +DEF( get_var_ref, 3, 0, 1, var_ref) +DEF( put_var_ref, 3, 1, 0, var_ref) /* must come after get_var_ref */ +DEF( set_var_ref, 3, 1, 1, var_ref) /* must come after put_var_ref */ +DEF(set_loc_uninitialized, 3, 0, 0, loc) +DEF( get_loc_check, 3, 0, 1, loc) +DEF( put_loc_check, 3, 1, 0, loc) /* must come after get_loc_check */ +DEF( put_loc_check_init, 3, 1, 0, loc) +DEF(get_var_ref_check, 3, 0, 1, var_ref) +DEF(put_var_ref_check, 3, 1, 0, var_ref) /* must come after get_var_ref_check */ +DEF(put_var_ref_check_init, 3, 1, 0, var_ref) +DEF( close_loc, 3, 0, 0, loc) +DEF( if_false, 5, 1, 0, label) +DEF( if_true, 5, 1, 0, label) /* must come after if_false */ +DEF( goto, 5, 0, 0, label) /* must come after if_true */ +DEF( catch, 5, 0, 1, label) +DEF( gosub, 5, 0, 0, label) /* used to execute the finally block */ +DEF( ret, 1, 1, 0, none) /* used to return from the finally block */ + +DEF( to_object, 1, 1, 1, none) +//DEF( to_string, 1, 1, 1, none) +DEF( to_propkey, 1, 1, 1, none) +DEF( to_propkey2, 1, 2, 2, none) + +DEF( with_get_var, 10, 1, 0, atom_label_u8) /* must be in the same order as scope_xxx */ +DEF( with_put_var, 10, 2, 1, atom_label_u8) /* must be in the same order as scope_xxx */ +DEF(with_delete_var, 10, 1, 0, atom_label_u8) /* must be in the same order as scope_xxx */ +DEF( with_make_ref, 10, 1, 0, atom_label_u8) /* must be in the same order as scope_xxx */ +DEF( with_get_ref, 10, 1, 0, atom_label_u8) /* must be in the same order as scope_xxx */ +DEF(with_get_ref_undef, 10, 1, 0, atom_label_u8) + +DEF( make_loc_ref, 7, 0, 2, atom_u16) +DEF( make_arg_ref, 7, 0, 2, atom_u16) +DEF(make_var_ref_ref, 7, 0, 2, atom_u16) +DEF( make_var_ref, 5, 0, 2, atom) + +DEF( for_in_start, 1, 1, 1, none) +DEF( for_of_start, 1, 1, 3, none) +DEF(for_await_of_start, 1, 1, 3, none) +DEF( for_in_next, 1, 1, 3, none) +DEF( for_of_next, 2, 3, 5, u8) +DEF(for_await_of_next, 1, 3, 4, none) +DEF(iterator_get_value_done, 1, 1, 2, none) +DEF( iterator_close, 1, 3, 0, none) +DEF(iterator_close_return, 1, 4, 4, none) +DEF(async_iterator_close, 1, 3, 2, none) +DEF(async_iterator_next, 1, 4, 4, none) +DEF(async_iterator_get, 2, 4, 5, u8) +DEF( initial_yield, 1, 0, 0, none) +DEF( yield, 1, 1, 2, none) +DEF( yield_star, 1, 2, 2, none) +DEF(async_yield_star, 1, 1, 2, none) +DEF( await, 1, 1, 1, none) + +/* arithmetic/logic operations */ +DEF( neg, 1, 1, 1, none) +DEF( plus, 1, 1, 1, none) +DEF( dec, 1, 1, 1, none) +DEF( inc, 1, 1, 1, none) +DEF( post_dec, 1, 1, 2, none) +DEF( post_inc, 1, 1, 2, none) +DEF( dec_loc, 2, 0, 0, loc8) +DEF( inc_loc, 2, 0, 0, loc8) +DEF( add_loc, 2, 1, 0, loc8) +DEF( not, 1, 1, 1, none) +DEF( lnot, 1, 1, 1, none) +DEF( typeof, 1, 1, 1, none) +DEF( delete, 1, 2, 1, none) +DEF( delete_var, 5, 0, 1, atom) + +DEF( mul, 1, 2, 1, none) +DEF( div, 1, 2, 1, none) +DEF( mod, 1, 2, 1, none) +DEF( add, 1, 2, 1, none) +DEF( sub, 1, 2, 1, none) +DEF( pow, 1, 2, 1, none) +DEF( shl, 1, 2, 1, none) +DEF( sar, 1, 2, 1, none) +DEF( shr, 1, 2, 1, none) +DEF( lt, 1, 2, 1, none) +DEF( lte, 1, 2, 1, none) +DEF( gt, 1, 2, 1, none) +DEF( gte, 1, 2, 1, none) +DEF( instanceof, 1, 2, 1, none) +DEF( in, 1, 2, 1, none) +DEF( eq, 1, 2, 1, none) +DEF( neq, 1, 2, 1, none) +DEF( strict_eq, 1, 2, 1, none) +DEF( strict_neq, 1, 2, 1, none) +DEF( and, 1, 2, 1, none) +DEF( xor, 1, 2, 1, none) +DEF( or, 1, 2, 1, none) +DEF(is_undefined_or_null, 1, 1, 1, none) +#ifdef CONFIG_BIGNUM +DEF( mul_pow10, 1, 2, 1, none) +DEF( math_mod, 1, 2, 1, none) +#endif +/* must be the last non short and non temporary opcode */ +DEF( nop, 1, 0, 0, none) + +/* temporary opcodes: never emitted in the final bytecode */ + +def(set_arg_valid_upto, 3, 0, 0, arg) /* emitted in phase 1, removed in phase 2 */ + +def( enter_scope, 3, 0, 0, u16) /* emitted in phase 1, removed in phase 2 */ +def( leave_scope, 3, 0, 0, u16) /* emitted in phase 1, removed in phase 2 */ + +def( label, 5, 0, 0, label) /* emitted in phase 1, removed in phase 3 */ + +def(scope_get_var_undef, 7, 0, 1, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def( scope_get_var, 7, 0, 1, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def( scope_put_var, 7, 1, 0, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def(scope_delete_var, 7, 0, 1, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def( scope_make_ref, 11, 0, 2, atom_label_u16) /* emitted in phase 1, removed in phase 2 */ +def( scope_get_ref, 7, 0, 2, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def(scope_put_var_init, 7, 0, 2, atom_u16) /* emitted in phase 1, removed in phase 2 */ +def(scope_get_private_field, 7, 1, 1, atom_u16) /* obj -> value, emitted in phase 1, removed in phase 2 */ +def(scope_get_private_field2, 7, 1, 2, atom_u16) /* obj -> obj value, emitted in phase 1, removed in phase 2 */ +def(scope_put_private_field, 7, 1, 1, atom_u16) /* obj value ->, emitted in phase 1, removed in phase 2 */ + +def( set_class_name, 5, 1, 1, u32) /* emitted in phase 1, removed in phase 2 */ + +def( line_num, 5, 0, 0, u32) /* emitted in phase 1, removed in phase 3 */ + +#if SHORT_OPCODES +DEF( push_minus1, 1, 0, 1, none_int) +DEF( push_0, 1, 0, 1, none_int) +DEF( push_1, 1, 0, 1, none_int) +DEF( push_2, 1, 0, 1, none_int) +DEF( push_3, 1, 0, 1, none_int) +DEF( push_4, 1, 0, 1, none_int) +DEF( push_5, 1, 0, 1, none_int) +DEF( push_6, 1, 0, 1, none_int) +DEF( push_7, 1, 0, 1, none_int) +DEF( push_i8, 2, 0, 1, i8) +DEF( push_i16, 3, 0, 1, i16) +DEF( push_const8, 2, 0, 1, const8) +DEF( fclosure8, 2, 0, 1, const8) /* must follow push_const8 */ +DEF(push_empty_string, 1, 0, 1, none) + +DEF( get_loc8, 2, 0, 1, loc8) +DEF( put_loc8, 2, 1, 0, loc8) +DEF( set_loc8, 2, 1, 1, loc8) + +DEF( get_loc0, 1, 0, 1, none_loc) +DEF( get_loc1, 1, 0, 1, none_loc) +DEF( get_loc2, 1, 0, 1, none_loc) +DEF( get_loc3, 1, 0, 1, none_loc) +DEF( put_loc0, 1, 1, 0, none_loc) +DEF( put_loc1, 1, 1, 0, none_loc) +DEF( put_loc2, 1, 1, 0, none_loc) +DEF( put_loc3, 1, 1, 0, none_loc) +DEF( set_loc0, 1, 1, 1, none_loc) +DEF( set_loc1, 1, 1, 1, none_loc) +DEF( set_loc2, 1, 1, 1, none_loc) +DEF( set_loc3, 1, 1, 1, none_loc) +DEF( get_arg0, 1, 0, 1, none_arg) +DEF( get_arg1, 1, 0, 1, none_arg) +DEF( get_arg2, 1, 0, 1, none_arg) +DEF( get_arg3, 1, 0, 1, none_arg) +DEF( put_arg0, 1, 1, 0, none_arg) +DEF( put_arg1, 1, 1, 0, none_arg) +DEF( put_arg2, 1, 1, 0, none_arg) +DEF( put_arg3, 1, 1, 0, none_arg) +DEF( set_arg0, 1, 1, 1, none_arg) +DEF( set_arg1, 1, 1, 1, none_arg) +DEF( set_arg2, 1, 1, 1, none_arg) +DEF( set_arg3, 1, 1, 1, none_arg) +DEF( get_var_ref0, 1, 0, 1, none_var_ref) +DEF( get_var_ref1, 1, 0, 1, none_var_ref) +DEF( get_var_ref2, 1, 0, 1, none_var_ref) +DEF( get_var_ref3, 1, 0, 1, none_var_ref) +DEF( put_var_ref0, 1, 1, 0, none_var_ref) +DEF( put_var_ref1, 1, 1, 0, none_var_ref) +DEF( put_var_ref2, 1, 1, 0, none_var_ref) +DEF( put_var_ref3, 1, 1, 0, none_var_ref) +DEF( set_var_ref0, 1, 1, 1, none_var_ref) +DEF( set_var_ref1, 1, 1, 1, none_var_ref) +DEF( set_var_ref2, 1, 1, 1, none_var_ref) +DEF( set_var_ref3, 1, 1, 1, none_var_ref) + +DEF( get_length, 1, 1, 1, none) + +DEF( if_false8, 2, 1, 0, label8) +DEF( if_true8, 2, 1, 0, label8) /* must come after if_false8 */ +DEF( goto8, 2, 0, 0, label8) /* must come after if_true8 */ +DEF( goto16, 3, 0, 0, label16) + +DEF( call0, 1, 1, 1, npopx) +DEF( call1, 1, 1, 1, npopx) +DEF( call2, 1, 1, 1, npopx) +DEF( call3, 1, 1, 1, npopx) + +DEF( is_undefined, 1, 1, 1, none) +DEF( is_null, 1, 1, 1, none) +DEF( is_function, 1, 1, 1, none) +#endif + +#undef DEF +#undef def +#endif /* DEF */ diff --git a/android/src/main/jni/quickjs/quickjs.c b/android/src/main/jni/quickjs/quickjs.c new file mode 100644 index 0000000..da12317 --- /dev/null +++ b/android/src/main/jni/quickjs/quickjs.c @@ -0,0 +1,53312 @@ +/* + * QuickJS Javascript Engine + * + * Copyright (c) 2017-2020 Fabrice Bellard + * Copyright (c) 2017-2020 Charlie Gordon + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if defined(__APPLE__) +#include +#elif defined(__linux__) +#include +#endif + +#include "cutils.h" +#include "list.h" +#include "quickjs.h" +#include "libregexp.h" +#ifdef CONFIG_BIGNUM +#include "libbf.h" +#endif + +#define OPTIMIZE 1 +#define SHORT_OPCODES 1 +#if defined(EMSCRIPTEN) +#define DIRECT_DISPATCH 0 +#else +#define DIRECT_DISPATCH 1 +#endif + +#if defined(__APPLE__) +#define MALLOC_OVERHEAD 0 +#else +#define MALLOC_OVERHEAD 8 +#endif + +#if !defined(_WIN32) +/* define it if printf uses the RNDN rounding mode instead of RNDNA */ +#define CONFIG_PRINTF_RNDN +#endif + +/* define to include Atomics.* operations which depend on the OS + threads */ +#if !defined(EMSCRIPTEN) +#define CONFIG_ATOMICS +#endif + +#if !defined(EMSCRIPTEN) +/* enable stack limitation */ +#define CONFIG_STACK_CHECK +#endif + + +/* dump object free */ +//#define DUMP_FREE +//#define DUMP_CLOSURE +/* dump the bytecode of the compiled functions: combination of bits + 1: dump pass 3 final byte code + 2: dump pass 2 code + 4: dump pass 1 code + 8: dump stdlib functions + 16: dump bytecode in hex + 32: dump line number table + */ +//#define DUMP_BYTECODE (1) +/* dump the occurence of the automatic GC */ +//#define DUMP_GC +/* dump objects freed by the garbage collector */ +//#define DUMP_GC_FREE +/* dump objects leaking when freeing the runtime */ +//#define DUMP_LEAKS 1 +/* dump memory usage before running the garbage collector */ +//#define DUMP_MEM +//#define DUMP_OBJECTS /* dump objects in JS_FreeContext */ +//#define DUMP_ATOMS /* dump atoms in JS_FreeContext */ +//#define DUMP_SHAPES /* dump shapes in JS_FreeContext */ +//#define DUMP_MODULE_RESOLVE +//#define DUMP_PROMISE +//#define DUMP_READ_OBJECT + +/* test the GC by forcing it before each object allocation */ +//#define FORCE_GC_AT_MALLOC + +#ifdef CONFIG_ATOMICS +#include +#include +#include +#endif + +enum { + /* classid tag */ /* union usage | properties */ + JS_CLASS_OBJECT = 1, /* must be first */ + JS_CLASS_ARRAY, /* u.array | length */ + JS_CLASS_ERROR, + JS_CLASS_NUMBER, /* u.object_data */ + JS_CLASS_STRING, /* u.object_data */ + JS_CLASS_BOOLEAN, /* u.object_data */ + JS_CLASS_SYMBOL, /* u.object_data */ + JS_CLASS_ARGUMENTS, /* u.array | length */ + JS_CLASS_MAPPED_ARGUMENTS, /* | length */ + JS_CLASS_DATE, /* u.object_data */ + JS_CLASS_MODULE_NS, + JS_CLASS_C_FUNCTION, /* u.cfunc */ + JS_CLASS_BYTECODE_FUNCTION, /* u.func */ + JS_CLASS_BOUND_FUNCTION, /* u.bound_function */ + JS_CLASS_C_FUNCTION_DATA, /* u.c_function_data_record */ + JS_CLASS_GENERATOR_FUNCTION, /* u.func */ + JS_CLASS_FOR_IN_ITERATOR, /* u.for_in_iterator */ + JS_CLASS_REGEXP, /* u.regexp */ + JS_CLASS_ARRAY_BUFFER, /* u.array_buffer */ + JS_CLASS_SHARED_ARRAY_BUFFER, /* u.array_buffer */ + JS_CLASS_UINT8C_ARRAY, /* u.array (typed_array) */ + JS_CLASS_INT8_ARRAY, /* u.array (typed_array) */ + JS_CLASS_UINT8_ARRAY, /* u.array (typed_array) */ + JS_CLASS_INT16_ARRAY, /* u.array (typed_array) */ + JS_CLASS_UINT16_ARRAY, /* u.array (typed_array) */ + JS_CLASS_INT32_ARRAY, /* u.array (typed_array) */ + JS_CLASS_UINT32_ARRAY, /* u.array (typed_array) */ +#ifdef CONFIG_BIGNUM + JS_CLASS_BIG_INT64_ARRAY, /* u.array (typed_array) */ + JS_CLASS_BIG_UINT64_ARRAY, /* u.array (typed_array) */ +#endif + JS_CLASS_FLOAT32_ARRAY, /* u.array (typed_array) */ + JS_CLASS_FLOAT64_ARRAY, /* u.array (typed_array) */ + JS_CLASS_DATAVIEW, /* u.typed_array */ +#ifdef CONFIG_BIGNUM + JS_CLASS_BIG_INT, /* u.object_data */ + JS_CLASS_BIG_FLOAT, /* u.object_data */ + JS_CLASS_FLOAT_ENV, /* u.float_env */ + JS_CLASS_BIG_DECIMAL, /* u.object_data */ + JS_CLASS_OPERATOR_SET, /* u.operator_set */ +#endif + JS_CLASS_MAP, /* u.map_state */ + JS_CLASS_SET, /* u.map_state */ + JS_CLASS_WEAKMAP, /* u.map_state */ + JS_CLASS_WEAKSET, /* u.map_state */ + JS_CLASS_MAP_ITERATOR, /* u.map_iterator_data */ + JS_CLASS_SET_ITERATOR, /* u.map_iterator_data */ + JS_CLASS_ARRAY_ITERATOR, /* u.array_iterator_data */ + JS_CLASS_STRING_ITERATOR, /* u.array_iterator_data */ + JS_CLASS_REGEXP_STRING_ITERATOR, /* u.regexp_string_iterator_data */ + JS_CLASS_GENERATOR, /* u.generator_data */ + JS_CLASS_PROXY, /* u.proxy_data */ + JS_CLASS_PROMISE, /* u.promise_data */ + JS_CLASS_PROMISE_RESOLVE_FUNCTION, /* u.promise_function_data */ + JS_CLASS_PROMISE_REJECT_FUNCTION, /* u.promise_function_data */ + JS_CLASS_ASYNC_FUNCTION, /* u.func */ + JS_CLASS_ASYNC_FUNCTION_RESOLVE, /* u.async_function_data */ + JS_CLASS_ASYNC_FUNCTION_REJECT, /* u.async_function_data */ + JS_CLASS_ASYNC_FROM_SYNC_ITERATOR, /* u.async_from_sync_iterator_data */ + JS_CLASS_ASYNC_GENERATOR_FUNCTION, /* u.func */ + JS_CLASS_ASYNC_GENERATOR, /* u.async_generator_data */ + + JS_CLASS_INIT_COUNT, /* last entry for predefined classes */ +}; + +/* number of typed array types */ +#define JS_TYPED_ARRAY_COUNT (JS_CLASS_FLOAT64_ARRAY - JS_CLASS_UINT8C_ARRAY + 1) +static uint8_t const typed_array_size_log2[JS_TYPED_ARRAY_COUNT]; +#define typed_array_size_log2(classid) (typed_array_size_log2[(classid)- JS_CLASS_UINT8C_ARRAY]) + +typedef enum JSErrorEnum { + JS_EVAL_ERROR, + JS_RANGE_ERROR, + JS_REFERENCE_ERROR, + JS_SYNTAX_ERROR, + JS_TYPE_ERROR, + JS_URI_ERROR, + JS_INTERNAL_ERROR, + JS_AGGREGATE_ERROR, + + JS_NATIVE_ERROR_COUNT, /* number of different NativeError objects */ +} JSErrorEnum; + +#define JS_MAX_LOCAL_VARS 65536 +#define JS_STACK_SIZE_MAX 65536 +#define JS_STRING_LEN_MAX ((1 << 30) - 1) + +#define __exception __attribute__((warn_unused_result)) + +typedef struct JSShape JSShape; +typedef struct JSString JSString; +typedef struct JSString JSAtomStruct; + +typedef enum { + JS_GC_PHASE_NONE, + JS_GC_PHASE_DECREF, + JS_GC_PHASE_REMOVE_CYCLES, +} JSGCPhaseEnum; + +typedef enum OPCodeEnum OPCodeEnum; + +#ifdef CONFIG_BIGNUM +/* function pointers are used for numeric operations so that it is + possible to remove some numeric types */ +typedef struct { + JSValue (*to_string)(JSContext *ctx, JSValueConst val); + JSValue (*from_string)(JSContext *ctx, const char *buf, + int radix, int flags, slimb_t *pexponent); + int (*unary_arith)(JSContext *ctx, + JSValue *pres, OPCodeEnum op, JSValue op1); + int (*binary_arith)(JSContext *ctx, OPCodeEnum op, + JSValue *pres, JSValue op1, JSValue op2); + int (*compare)(JSContext *ctx, OPCodeEnum op, + JSValue op1, JSValue op2); + /* only for bigfloat: */ + JSValue (*mul_pow10_to_float64)(JSContext *ctx, const bf_t *a, + int64_t exponent); + int (*mul_pow10)(JSContext *ctx, JSValue *sp); +} JSNumericOperations; +#endif + +struct JSRuntime { + JSMallocFunctions mf; + JSMallocState malloc_state; + const char *rt_info; + + int atom_hash_size; /* power of two */ + int atom_count; + int atom_size; + int atom_count_resize; /* resize hash table at this count */ + uint32_t *atom_hash; + JSAtomStruct **atom_array; + int atom_free_index; /* 0 = none */ + + int class_count; /* size of class_array */ + JSClass *class_array; + + struct list_head context_list; /* list of JSContext.link */ + /* list of JSGCObjectHeader.link. List of allocated GC objects (used + by the garbage collector) */ + struct list_head gc_obj_list; + /* list of JSGCObjectHeader.link. Used during JS_FreeValueRT() */ + struct list_head gc_zero_ref_count_list; + struct list_head tmp_obj_list; /* used during GC */ + JSGCPhaseEnum gc_phase : 8; + size_t malloc_gc_threshold; +#ifdef DUMP_LEAKS + struct list_head string_list; /* list of JSString.link */ +#endif + /* stack limitation */ + const uint8_t *stack_top; + size_t stack_size; /* in bytes */ + + JSValue current_exception; + /* true if inside an out of memory error, to avoid recursing */ + BOOL in_out_of_memory : 8; + + struct JSStackFrame *current_stack_frame; + + JSInterruptHandler *interrupt_handler; + void *interrupt_opaque; + + JSHostPromiseRejectionTracker *host_promise_rejection_tracker; + void *host_promise_rejection_tracker_opaque; + + struct list_head job_list; /* list of JSJobEntry.link */ + + JSModuleNormalizeFunc *module_normalize_func; + JSModuleLoaderFunc *module_loader_func; + void *module_loader_opaque; + + BOOL can_block : 8; /* TRUE if Atomics.wait can block */ + /* used to allocate, free and clone SharedArrayBuffers */ + JSSharedArrayBufferFunctions sab_funcs; + + /* Shape hash table */ + int shape_hash_bits; + int shape_hash_size; + int shape_hash_count; /* number of hashed shapes */ + JSShape **shape_hash; +#ifdef CONFIG_BIGNUM + bf_context_t bf_ctx; + JSNumericOperations bigint_ops; + JSNumericOperations bigfloat_ops; + JSNumericOperations bigdecimal_ops; + uint32_t operator_count; +#endif + void *user_opaque; +}; + +struct JSClass { + uint32_t class_id; /* 0 means free entry */ + JSAtom class_name; + JSClassFinalizer *finalizer; + JSClassGCMark *gc_mark; + JSClassCall *call; + /* pointers for exotic behavior, can be NULL if none are present */ + const JSClassExoticMethods *exotic; +}; + +#define JS_MODE_STRICT (1 << 0) +#define JS_MODE_STRIP (1 << 1) +#define JS_MODE_MATH (1 << 2) + +typedef struct JSStackFrame { + struct JSStackFrame *prev_frame; /* NULL if first stack frame */ + JSValue cur_func; /* current function, JS_UNDEFINED if the frame is detached */ + JSValue *arg_buf; /* arguments */ + JSValue *var_buf; /* variables */ + struct list_head var_ref_list; /* list of JSVarRef.link */ + const uint8_t *cur_pc; /* only used in bytecode functions : PC of the + instruction after the call */ + int arg_count; + int js_mode; /* 0 or JS_MODE_MATH for C functions */ + /* only used in generators. Current stack pointer value. NULL if + the function is running. */ + JSValue *cur_sp; +} JSStackFrame; + +typedef enum { + JS_GC_OBJ_TYPE_JS_OBJECT, + JS_GC_OBJ_TYPE_FUNCTION_BYTECODE, + JS_GC_OBJ_TYPE_SHAPE, + JS_GC_OBJ_TYPE_VAR_REF, + JS_GC_OBJ_TYPE_ASYNC_FUNCTION, + JS_GC_OBJ_TYPE_JS_CONTEXT, +} JSGCObjectTypeEnum; + +/* header for GC objects. GC objects are C data structures with a + reference count that can reference other GC objects. JS Objects are + a particular type of GC object. */ +struct JSGCObjectHeader { + int ref_count; /* must come first, 32-bit */ + JSGCObjectTypeEnum gc_obj_type : 4; + uint8_t mark : 4; /* used by the GC */ + uint8_t dummy1; /* not used by the GC */ + uint16_t dummy2; /* not used by the GC */ + struct list_head link; +}; + +typedef struct JSVarRef { + union { + JSGCObjectHeader header; /* must come first */ + struct { + int __gc_ref_count; /* corresponds to header.ref_count */ + uint8_t __gc_mark; /* corresponds to header.mark/gc_obj_type */ + + /* 0 : the JSVarRef is on the stack. header.link is an element + of JSStackFrame.var_ref_list. + 1 : the JSVarRef is detached. header.link has the normal meanning + */ + uint8_t is_detached : 1; + uint8_t is_arg : 1; + uint16_t var_idx; /* index of the corresponding function variable on + the stack */ + }; + }; + JSValue *pvalue; /* pointer to the value, either on the stack or + to 'value' */ + JSValue value; /* used when the variable is no longer on the stack */ +} JSVarRef; + +#ifdef CONFIG_BIGNUM +typedef struct JSFloatEnv { + limb_t prec; + bf_flags_t flags; + unsigned int status; +} JSFloatEnv; + +/* the same structure is used for big integers and big floats. Big + integers are never infinite or NaNs */ +typedef struct JSBigFloat { + JSRefCountHeader header; /* must come first, 32-bit */ + bf_t num; +} JSBigFloat; + +typedef struct JSBigDecimal { + JSRefCountHeader header; /* must come first, 32-bit */ + bfdec_t num; +} JSBigDecimal; +#endif + +typedef enum { + JS_AUTOINIT_ID_PROTOTYPE, + JS_AUTOINIT_ID_MODULE_NS, + JS_AUTOINIT_ID_PROP, +} JSAutoInitIDEnum; + +/* must be large enough to have a negligible runtime cost and small + enough to call the interrupt callback often. */ +#define JS_INTERRUPT_COUNTER_INIT 10000 + +struct JSContext { + JSGCObjectHeader header; /* must come first */ + JSRuntime *rt; + struct list_head link; + + uint16_t binary_object_count; + int binary_object_size; + + JSShape *array_shape; /* initial shape for Array objects */ + + JSValue *class_proto; + JSValue function_proto; + JSValue function_ctor; + JSValue array_ctor; + JSValue regexp_ctor; + JSValue promise_ctor; + JSValue native_error_proto[JS_NATIVE_ERROR_COUNT]; + JSValue iterator_proto; + JSValue async_iterator_proto; + JSValue array_proto_values; + JSValue throw_type_error; + JSValue eval_obj; + + JSValue global_obj; /* global object */ + JSValue global_var_obj; /* contains the global let/const definitions */ + + uint64_t random_state; +#ifdef CONFIG_BIGNUM + bf_context_t *bf_ctx; /* points to rt->bf_ctx, shared by all contexts */ + JSFloatEnv fp_env; /* global FP environment */ + BOOL bignum_ext : 8; /* enable math mode */ + BOOL allow_operator_overloading : 8; +#endif + /* when the counter reaches zero, JSRutime.interrupt_handler is called */ + int interrupt_counter; + BOOL is_error_property_enabled; + + struct list_head loaded_modules; /* list of JSModuleDef.link */ + + /* if NULL, RegExp compilation is not supported */ + JSValue (*compile_regexp)(JSContext *ctx, JSValueConst pattern, + JSValueConst flags); + /* if NULL, eval is not supported */ + JSValue (*eval_internal)(JSContext *ctx, JSValueConst this_obj, + const char *input, size_t input_len, + const char *filename, int flags, int scope_idx); + void *user_opaque; +}; + +typedef union JSFloat64Union { + double d; + uint64_t u64; + uint32_t u32[2]; +} JSFloat64Union; + +enum { + JS_ATOM_TYPE_STRING = 1, + JS_ATOM_TYPE_GLOBAL_SYMBOL, + JS_ATOM_TYPE_SYMBOL, + JS_ATOM_TYPE_PRIVATE, +}; + +enum { + JS_ATOM_HASH_SYMBOL, + JS_ATOM_HASH_PRIVATE, +}; + +typedef enum { + JS_ATOM_KIND_STRING, + JS_ATOM_KIND_SYMBOL, + JS_ATOM_KIND_PRIVATE, +} JSAtomKindEnum; + +#define JS_ATOM_HASH_MASK ((1 << 30) - 1) + +struct JSString { + JSRefCountHeader header; /* must come first, 32-bit */ + uint32_t len : 31; + uint8_t is_wide_char : 1; /* 0 = 8 bits, 1 = 16 bits characters */ + /* for JS_ATOM_TYPE_SYMBOL: hash = 0, atom_type = 3, + for JS_ATOM_TYPE_PRIVATE: hash = 1, atom_type = 3 + XXX: could change encoding to have one more bit in hash */ + uint32_t hash : 30; + uint8_t atom_type : 2; /* != 0 if atom, JS_ATOM_TYPE_x */ + uint32_t hash_next; /* atom_index for JS_ATOM_TYPE_SYMBOL */ +#ifdef DUMP_LEAKS + struct list_head link; /* string list */ +#endif + union { + uint8_t str8[0]; /* 8 bit strings will get an extra null terminator */ + uint16_t str16[0]; + } u; +}; + +typedef struct JSClosureVar { + uint8_t is_local : 1; + uint8_t is_arg : 1; + uint8_t is_const : 1; + uint8_t is_lexical : 1; + uint8_t var_kind : 3; /* see JSVarKindEnum */ + /* 9 bits available */ + uint16_t var_idx; /* is_local = TRUE: index to a normal variable of the + parent function. otherwise: index to a closure + variable of the parent function */ + JSAtom var_name; +} JSClosureVar; + +typedef struct JSVarScope { + int parent; /* index into fd->scopes of the enclosing scope */ + int first; /* index into fd->vars of the last variable in this scope */ +} JSVarScope; + +typedef enum { + /* XXX: add more variable kinds here instead of using bit fields */ + JS_VAR_NORMAL, + JS_VAR_FUNCTION_DECL, /* lexical var with function declaration */ + JS_VAR_NEW_FUNCTION_DECL, /* lexical var with async/generator + function declaration */ + JS_VAR_CATCH, + JS_VAR_PRIVATE_FIELD, + JS_VAR_PRIVATE_METHOD, + JS_VAR_PRIVATE_GETTER, + JS_VAR_PRIVATE_SETTER, /* must come after JS_VAR_PRIVATE_GETTER */ + JS_VAR_PRIVATE_GETTER_SETTER, /* must come after JS_VAR_PRIVATE_SETTER */ +} JSVarKindEnum; + +typedef struct JSVarDef { + JSAtom var_name; + int scope_level; /* index into fd->scopes of this variable lexical scope */ + int scope_next; /* index into fd->vars of the next variable in the + * same or enclosing lexical scope */ + uint8_t is_func_var : 1; /* used for the function self reference */ + uint8_t is_const : 1; + uint8_t is_lexical : 1; + uint8_t is_captured : 1; + uint8_t var_kind : 4; /* see JSVarKindEnum */ + /* only used during compilation: function pool index for lexical + variables with var_kind = + JS_VAR_FUNCTION_DECL/JS_VAR_NEW_FUNCTION_DECL or scope level of + the definition of the 'var' variables (they have scope_level = + 0) */ + int func_pool_or_scope_idx : 24; /* only used during compilation */ +} JSVarDef; + +/* for the encoding of the pc2line table */ +#define PC2LINE_BASE (-1) +#define PC2LINE_RANGE 5 +#define PC2LINE_OP_FIRST 1 +#define PC2LINE_DIFF_PC_MAX ((255 - PC2LINE_OP_FIRST) / PC2LINE_RANGE) + +typedef enum JSFunctionKindEnum { + JS_FUNC_NORMAL = 0, + JS_FUNC_GENERATOR = (1 << 0), + JS_FUNC_ASYNC = (1 << 1), + JS_FUNC_ASYNC_GENERATOR = (JS_FUNC_GENERATOR | JS_FUNC_ASYNC), +} JSFunctionKindEnum; + +typedef struct JSFunctionBytecode { + JSGCObjectHeader header; /* must come first */ + uint8_t js_mode; + uint8_t has_prototype : 1; /* true if a prototype field is necessary */ + uint8_t has_simple_parameter_list : 1; + uint8_t is_derived_class_constructor : 1; + /* true if home_object needs to be initialized */ + uint8_t need_home_object : 1; + uint8_t func_kind : 2; + uint8_t new_target_allowed : 1; + uint8_t super_call_allowed : 1; + uint8_t super_allowed : 1; + uint8_t arguments_allowed : 1; + uint8_t has_debug : 1; + uint8_t backtrace_barrier : 1; /* stop backtrace on this function */ + uint8_t read_only_bytecode : 1; + /* XXX: 4 bits available */ + uint8_t *byte_code_buf; /* (self pointer) */ + int byte_code_len; + JSAtom func_name; + JSVarDef *vardefs; /* arguments + local variables (arg_count + var_count) (self pointer) */ + JSClosureVar *closure_var; /* list of variables in the closure (self pointer) */ + uint16_t arg_count; + uint16_t var_count; + uint16_t defined_arg_count; /* for length function property */ + uint16_t stack_size; /* maximum stack size */ + JSContext *realm; /* function realm */ + JSValue *cpool; /* constant pool (self pointer) */ + int cpool_count; + int closure_var_count; + struct { + /* debug info, move to separate structure to save memory? */ + JSAtom filename; + int line_num; + int source_len; + int pc2line_len; + uint8_t *pc2line_buf; + char *source; + } debug; +} JSFunctionBytecode; + +typedef struct JSBoundFunction { + JSValue func_obj; + JSValue this_val; + int argc; + JSValue argv[0]; +} JSBoundFunction; + +typedef enum JSIteratorKindEnum { + JS_ITERATOR_KIND_KEY, + JS_ITERATOR_KIND_VALUE, + JS_ITERATOR_KIND_KEY_AND_VALUE, +} JSIteratorKindEnum; + +typedef struct JSForInIterator { + JSValue obj; + BOOL is_array; + uint32_t array_length; + uint32_t idx; +} JSForInIterator; + +typedef struct JSRegExp { + JSString *pattern; + JSString *bytecode; /* also contains the flags */ +} JSRegExp; + +typedef struct JSProxyData { + JSValue target; + JSValue handler; + uint8_t is_func; + uint8_t is_revoked; +} JSProxyData; + +typedef struct JSArrayBuffer { + int byte_length; /* 0 if detached */ + uint8_t detached; + uint8_t shared; /* if shared, the array buffer cannot be detached */ + uint8_t *data; /* NULL if detached */ + struct list_head array_list; + void *opaque; + JSFreeArrayBufferDataFunc *free_func; +} JSArrayBuffer; + +typedef struct JSTypedArray { + struct list_head link; /* link to arraybuffer */ + JSObject *obj; /* back pointer to the TypedArray/DataView object */ + JSObject *buffer; /* based array buffer */ + uint32_t offset; /* offset in the array buffer */ + uint32_t length; /* length in the array buffer */ +} JSTypedArray; + +typedef struct JSAsyncFunctionState { + JSValue this_val; /* 'this' generator argument */ + int argc; /* number of function arguments */ + BOOL throw_flag; /* used to throw an exception in JS_CallInternal() */ + JSStackFrame frame; +} JSAsyncFunctionState; + +/* XXX: could use an object instead to avoid the + JS_TAG_ASYNC_FUNCTION tag for the GC */ +typedef struct JSAsyncFunctionData { + JSGCObjectHeader header; /* must come first */ + JSValue resolving_funcs[2]; + BOOL is_active; /* true if the async function state is valid */ + JSAsyncFunctionState func_state; +} JSAsyncFunctionData; + +typedef enum { + /* binary operators */ + JS_OVOP_ADD, + JS_OVOP_SUB, + JS_OVOP_MUL, + JS_OVOP_DIV, + JS_OVOP_MOD, + JS_OVOP_POW, + JS_OVOP_OR, + JS_OVOP_AND, + JS_OVOP_XOR, + JS_OVOP_SHL, + JS_OVOP_SAR, + JS_OVOP_SHR, + JS_OVOP_EQ, + JS_OVOP_LESS, + + JS_OVOP_BINARY_COUNT, + /* unary operators */ + JS_OVOP_POS = JS_OVOP_BINARY_COUNT, + JS_OVOP_NEG, + JS_OVOP_INC, + JS_OVOP_DEC, + JS_OVOP_NOT, + + JS_OVOP_COUNT, +} JSOverloadableOperatorEnum; + +typedef struct { + uint32_t operator_index; + JSObject *ops[JS_OVOP_BINARY_COUNT]; /* self operators */ +} JSBinaryOperatorDefEntry; + +typedef struct { + int count; + JSBinaryOperatorDefEntry *tab; +} JSBinaryOperatorDef; + +typedef struct { + uint32_t operator_counter; + BOOL is_primitive; /* OperatorSet for a primitive type */ + /* NULL if no operator is defined */ + JSObject *self_ops[JS_OVOP_COUNT]; /* self operators */ + JSBinaryOperatorDef left; + JSBinaryOperatorDef right; +} JSOperatorSetData; + +typedef struct JSReqModuleEntry { + JSAtom module_name; + JSModuleDef *module; /* used using resolution */ +} JSReqModuleEntry; + +typedef enum JSExportTypeEnum { + JS_EXPORT_TYPE_LOCAL, + JS_EXPORT_TYPE_INDIRECT, +} JSExportTypeEnum; + +typedef struct JSExportEntry { + union { + struct { + int var_idx; /* closure variable index */ + JSVarRef *var_ref; /* if != NULL, reference to the variable */ + } local; /* for local export */ + int req_module_idx; /* module for indirect export */ + } u; + JSExportTypeEnum export_type; + JSAtom local_name; /* '*' if export ns from. not used for local + export after compilation */ + JSAtom export_name; /* exported variable name */ +} JSExportEntry; + +typedef struct JSStarExportEntry { + int req_module_idx; /* in req_module_entries */ +} JSStarExportEntry; + +typedef struct JSImportEntry { + int var_idx; /* closure variable index */ + JSAtom import_name; + int req_module_idx; /* in req_module_entries */ +} JSImportEntry; + +struct JSModuleDef { + JSRefCountHeader header; /* must come first, 32-bit */ + JSAtom module_name; + struct list_head link; + + JSReqModuleEntry *req_module_entries; + int req_module_entries_count; + int req_module_entries_size; + + JSExportEntry *export_entries; + int export_entries_count; + int export_entries_size; + + JSStarExportEntry *star_export_entries; + int star_export_entries_count; + int star_export_entries_size; + + JSImportEntry *import_entries; + int import_entries_count; + int import_entries_size; + + JSValue module_ns; + JSValue func_obj; /* only used for JS modules */ + JSModuleInitFunc *init_func; /* only used for C modules */ + BOOL resolved : 8; + BOOL func_created : 8; + BOOL instantiated : 8; + BOOL evaluated : 8; + BOOL eval_mark : 8; /* temporary use during js_evaluate_module() */ + /* true if evaluation yielded an exception. It is saved in + eval_exception */ + BOOL eval_has_exception : 8; + JSValue eval_exception; + JSValue meta_obj; /* for import.meta */ +}; + +typedef struct JSJobEntry { + struct list_head link; + JSContext *ctx; + JSJobFunc *job_func; + int argc; + JSValue argv[0]; +} JSJobEntry; + +typedef struct JSProperty { + union { + JSValue value; /* JS_PROP_NORMAL */ + struct { /* JS_PROP_GETSET */ + JSObject *getter; /* NULL if undefined */ + JSObject *setter; /* NULL if undefined */ + } getset; + JSVarRef *var_ref; /* JS_PROP_VARREF */ + struct { /* JS_PROP_AUTOINIT */ + /* in order to use only 2 pointers, we compress the realm + and the init function pointer */ + uintptr_t realm_and_id; /* realm and init_id (JS_AUTOINIT_ID_x) + in the 2 low bits */ + void *opaque; + } init; + } u; +} JSProperty; + +#define JS_PROP_INITIAL_SIZE 2 +#define JS_PROP_INITIAL_HASH_SIZE 4 /* must be a power of two */ +#define JS_ARRAY_INITIAL_SIZE 2 + +typedef struct JSShapeProperty { + uint32_t hash_next : 26; /* 0 if last in list */ + uint32_t flags : 6; /* JS_PROP_XXX */ + JSAtom atom; /* JS_ATOM_NULL = free property entry */ +} JSShapeProperty; + +struct JSShape { + uint32_t prop_hash_end[0]; /* hash table of size hash_mask + 1 + before the start of the structure. */ + JSGCObjectHeader header; + /* true if the shape is inserted in the shape hash table. If not, + JSShape.hash is not valid */ + uint8_t is_hashed; + /* If true, the shape may have small array index properties 'n' with 0 + <= n <= 2^31-1. If false, the shape is guaranteed not to have + small array index properties */ + uint8_t has_small_array_index; + uint32_t hash; /* current hash value */ + uint32_t prop_hash_mask; + int prop_size; /* allocated properties */ + int prop_count; /* include deleted properties */ + int deleted_prop_count; + JSShape *shape_hash_next; /* in JSRuntime.shape_hash[h] list */ + JSObject *proto; + JSShapeProperty prop[0]; /* prop_size elements */ +}; + +struct JSObject { + union { + JSGCObjectHeader header; + struct { + int __gc_ref_count; /* corresponds to header.ref_count */ + uint8_t __gc_mark; /* corresponds to header.mark/gc_obj_type */ + + uint8_t extensible : 1; + uint8_t free_mark : 1; /* only used when freeing objects with cycles */ + uint8_t is_exotic : 1; /* TRUE if object has exotic property handlers */ + uint8_t fast_array : 1; /* TRUE if u.array is used for get/put */ + uint8_t is_constructor : 1; /* TRUE if object is a constructor function */ + uint8_t is_uncatchable_error : 1; /* if TRUE, error is not catchable */ + uint8_t tmp_mark : 1; /* used in JS_WriteObjectRec() */ + uint16_t class_id; /* see JS_CLASS_x */ + }; + }; + /* byte offsets: 16/24 */ + JSShape *shape; /* prototype and property names + flag */ + JSProperty *prop; /* array of properties */ + /* byte offsets: 24/40 */ + struct JSMapRecord *first_weak_ref; /* XXX: use a bit and an external hash table? */ + /* byte offsets: 28/48 */ + union { + void *opaque; + struct JSBoundFunction *bound_function; /* JS_CLASS_BOUND_FUNCTION */ + struct JSCFunctionDataRecord *c_function_data_record; /* JS_CLASS_C_FUNCTION_DATA */ + struct JSForInIterator *for_in_iterator; /* JS_CLASS_FOR_IN_ITERATOR */ + struct JSArrayBuffer *array_buffer; /* JS_CLASS_ARRAY_BUFFER, JS_CLASS_SHARED_ARRAY_BUFFER */ + struct JSTypedArray *typed_array; /* JS_CLASS_UINT8C_ARRAY..JS_CLASS_DATAVIEW */ +#ifdef CONFIG_BIGNUM + struct JSFloatEnv *float_env; /* JS_CLASS_FLOAT_ENV */ + struct JSOperatorSetData *operator_set; /* JS_CLASS_OPERATOR_SET */ +#endif + struct JSMapState *map_state; /* JS_CLASS_MAP..JS_CLASS_WEAKSET */ + struct JSMapIteratorData *map_iterator_data; /* JS_CLASS_MAP_ITERATOR, JS_CLASS_SET_ITERATOR */ + struct JSArrayIteratorData *array_iterator_data; /* JS_CLASS_ARRAY_ITERATOR, JS_CLASS_STRING_ITERATOR */ + struct JSRegExpStringIteratorData *regexp_string_iterator_data; /* JS_CLASS_REGEXP_STRING_ITERATOR */ + struct JSGeneratorData *generator_data; /* JS_CLASS_GENERATOR */ + struct JSProxyData *proxy_data; /* JS_CLASS_PROXY */ + struct JSPromiseData *promise_data; /* JS_CLASS_PROMISE */ + struct JSPromiseFunctionData *promise_function_data; /* JS_CLASS_PROMISE_RESOLVE_FUNCTION, JS_CLASS_PROMISE_REJECT_FUNCTION */ + struct JSAsyncFunctionData *async_function_data; /* JS_CLASS_ASYNC_FUNCTION_RESOLVE, JS_CLASS_ASYNC_FUNCTION_REJECT */ + struct JSAsyncFromSyncIteratorData *async_from_sync_iterator_data; /* JS_CLASS_ASYNC_FROM_SYNC_ITERATOR */ + struct JSAsyncGeneratorData *async_generator_data; /* JS_CLASS_ASYNC_GENERATOR */ + struct { /* JS_CLASS_BYTECODE_FUNCTION: 12/24 bytes */ + /* also used by JS_CLASS_GENERATOR_FUNCTION, JS_CLASS_ASYNC_FUNCTION and JS_CLASS_ASYNC_GENERATOR_FUNCTION */ + struct JSFunctionBytecode *function_bytecode; + JSVarRef **var_refs; + JSObject *home_object; /* for 'super' access */ + } func; + struct { /* JS_CLASS_C_FUNCTION: 12/20 bytes */ + JSContext *realm; + JSCFunctionType c_function; + uint8_t length; + uint8_t cproto; + int16_t magic; + } cfunc; + /* array part for fast arrays and typed arrays */ + struct { /* JS_CLASS_ARRAY, JS_CLASS_ARGUMENTS, JS_CLASS_UINT8C_ARRAY..JS_CLASS_FLOAT64_ARRAY */ + union { + uint32_t size; /* JS_CLASS_ARRAY, JS_CLASS_ARGUMENTS */ + struct JSTypedArray *typed_array; /* JS_CLASS_UINT8C_ARRAY..JS_CLASS_FLOAT64_ARRAY */ + } u1; + union { + JSValue *values; /* JS_CLASS_ARRAY, JS_CLASS_ARGUMENTS */ + void *ptr; /* JS_CLASS_UINT8C_ARRAY..JS_CLASS_FLOAT64_ARRAY */ + int8_t *int8_ptr; /* JS_CLASS_INT8_ARRAY */ + uint8_t *uint8_ptr; /* JS_CLASS_UINT8_ARRAY, JS_CLASS_UINT8C_ARRAY */ + int16_t *int16_ptr; /* JS_CLASS_INT16_ARRAY */ + uint16_t *uint16_ptr; /* JS_CLASS_UINT16_ARRAY */ + int32_t *int32_ptr; /* JS_CLASS_INT32_ARRAY */ + uint32_t *uint32_ptr; /* JS_CLASS_UINT32_ARRAY */ + int64_t *int64_ptr; /* JS_CLASS_INT64_ARRAY */ + uint64_t *uint64_ptr; /* JS_CLASS_UINT64_ARRAY */ + float *float_ptr; /* JS_CLASS_FLOAT32_ARRAY */ + double *double_ptr; /* JS_CLASS_FLOAT64_ARRAY */ + } u; + uint32_t count; /* <= 2^31-1. 0 for a detached typed array */ + } array; /* 12/20 bytes */ + JSRegExp regexp; /* JS_CLASS_REGEXP: 8/16 bytes */ + JSValue object_data; /* for JS_SetObjectData(): 8/16/16 bytes */ + } u; + /* byte sizes: 40/48/72 */ +}; +enum { + JS_ATOM_NULL, +#define DEF(name, str) JS_ATOM_ ## name, +#include "quickjs-atom.h" +#undef DEF + JS_ATOM_END, +}; +#define JS_ATOM_LAST_KEYWORD JS_ATOM_super +#define JS_ATOM_LAST_STRICT_KEYWORD JS_ATOM_yield + +static const char js_atom_init[] = +#define DEF(name, str) str "\0" +#include "quickjs-atom.h" +#undef DEF +; + +typedef enum OPCodeFormat { +#define FMT(f) OP_FMT_ ## f, +#define DEF(id, size, n_pop, n_push, f) +#include "quickjs-opcode.h" +#undef DEF +#undef FMT +} OPCodeFormat; + +enum OPCodeEnum { +#define FMT(f) +#define DEF(id, size, n_pop, n_push, f) OP_ ## id, +#define def(id, size, n_pop, n_push, f) +#include "quickjs-opcode.h" +#undef def +#undef DEF +#undef FMT + OP_COUNT, /* excluding temporary opcodes */ + /* temporary opcodes : overlap with the short opcodes */ + OP_TEMP_START = OP_nop + 1, + OP___dummy = OP_TEMP_START - 1, +#define FMT(f) +#define DEF(id, size, n_pop, n_push, f) +#define def(id, size, n_pop, n_push, f) OP_ ## id, +#include "quickjs-opcode.h" +#undef def +#undef DEF +#undef FMT + OP_TEMP_END, +}; + +static int JS_InitAtoms(JSRuntime *rt); +static JSAtom __JS_NewAtomInit(JSRuntime *rt, const char *str, int len, + int atom_type); +static void JS_FreeAtomStruct(JSRuntime *rt, JSAtomStruct *p); +static void free_function_bytecode(JSRuntime *rt, JSFunctionBytecode *b); +static JSValue js_call_c_function(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, int flags); +static JSValue js_call_bound_function(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, int flags); +static JSValue JS_CallInternal(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, JSValueConst new_target, + int argc, JSValue *argv, int flags); +static JSValue JS_CallConstructorInternal(JSContext *ctx, + JSValueConst func_obj, + JSValueConst new_target, + int argc, JSValue *argv, int flags); +static JSValue JS_CallFree(JSContext *ctx, JSValue func_obj, JSValueConst this_obj, + int argc, JSValueConst *argv); +static JSValue JS_InvokeFree(JSContext *ctx, JSValue this_val, JSAtom atom, + int argc, JSValueConst *argv); +static __exception int JS_ToArrayLengthFree(JSContext *ctx, uint32_t *plen, + JSValue val); +static JSValue JS_EvalObject(JSContext *ctx, JSValueConst this_obj, + JSValueConst val, int flags, int scope_idx); +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowInternalError(JSContext *ctx, const char *fmt, ...); +static __maybe_unused void JS_DumpAtoms(JSRuntime *rt); +static __maybe_unused void JS_DumpString(JSRuntime *rt, + const JSString *p); +static __maybe_unused void JS_DumpObjectHeader(JSRuntime *rt); +static __maybe_unused void JS_DumpObject(JSRuntime *rt, JSObject *p); +static __maybe_unused void JS_DumpGCObject(JSRuntime *rt, JSGCObjectHeader *p); +static __maybe_unused void JS_DumpValueShort(JSRuntime *rt, + JSValueConst val); +static __maybe_unused void JS_DumpValue(JSContext *ctx, JSValueConst val); +static __maybe_unused void JS_PrintValue(JSContext *ctx, + const char *str, + JSValueConst val); +static __maybe_unused void JS_DumpShapes(JSRuntime *rt); +static JSValue js_function_apply(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, int magic); +static void js_array_finalizer(JSRuntime *rt, JSValue val); +static void js_array_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_object_data_finalizer(JSRuntime *rt, JSValue val); +static void js_object_data_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_c_function_finalizer(JSRuntime *rt, JSValue val); +static void js_c_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_bytecode_function_finalizer(JSRuntime *rt, JSValue val); +static void js_bytecode_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_bound_function_finalizer(JSRuntime *rt, JSValue val); +static void js_bound_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_for_in_iterator_finalizer(JSRuntime *rt, JSValue val); +static void js_for_in_iterator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_regexp_finalizer(JSRuntime *rt, JSValue val); +static void js_array_buffer_finalizer(JSRuntime *rt, JSValue val); +static void js_typed_array_finalizer(JSRuntime *rt, JSValue val); +static void js_typed_array_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_proxy_finalizer(JSRuntime *rt, JSValue val); +static void js_proxy_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_map_finalizer(JSRuntime *rt, JSValue val); +static void js_map_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_map_iterator_finalizer(JSRuntime *rt, JSValue val); +static void js_map_iterator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_array_iterator_finalizer(JSRuntime *rt, JSValue val); +static void js_array_iterator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_regexp_string_iterator_finalizer(JSRuntime *rt, JSValue val); +static void js_regexp_string_iterator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_generator_finalizer(JSRuntime *rt, JSValue obj); +static void js_generator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_promise_finalizer(JSRuntime *rt, JSValue val); +static void js_promise_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static void js_promise_resolve_function_finalizer(JSRuntime *rt, JSValue val); +static void js_promise_resolve_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +#ifdef CONFIG_BIGNUM +static void js_operator_set_finalizer(JSRuntime *rt, JSValue val); +static void js_operator_set_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +#endif +static JSValue JS_ToStringFree(JSContext *ctx, JSValue val); +static int JS_ToBoolFree(JSContext *ctx, JSValue val); +static int JS_ToInt32Free(JSContext *ctx, int32_t *pres, JSValue val); +static int JS_ToFloat64Free(JSContext *ctx, double *pres, JSValue val); +static int JS_ToUint8ClampFree(JSContext *ctx, int32_t *pres, JSValue val); +static JSValue js_compile_regexp(JSContext *ctx, JSValueConst pattern, + JSValueConst flags); +static JSValue js_regexp_constructor_internal(JSContext *ctx, JSValueConst ctor, + JSValue pattern, JSValue bc); +static void gc_decref(JSRuntime *rt); +static int JS_NewClass1(JSRuntime *rt, JSClassID class_id, + const JSClassDef *class_def, JSAtom name); + +typedef enum JSStrictEqModeEnum { + JS_EQ_STRICT, + JS_EQ_SAME_VALUE, + JS_EQ_SAME_VALUE_ZERO, +} JSStrictEqModeEnum; + +static BOOL js_strict_eq2(JSContext *ctx, JSValue op1, JSValue op2, + JSStrictEqModeEnum eq_mode); +static BOOL js_strict_eq(JSContext *ctx, JSValue op1, JSValue op2); +static BOOL js_same_value(JSContext *ctx, JSValueConst op1, JSValueConst op2); +static BOOL js_same_value_zero(JSContext *ctx, JSValueConst op1, JSValueConst op2); +static JSValue JS_ToObject(JSContext *ctx, JSValueConst val); +static JSValue JS_ToObjectFree(JSContext *ctx, JSValue val); +static JSProperty *add_property(JSContext *ctx, + JSObject *p, JSAtom prop, int prop_flags); +#ifdef CONFIG_BIGNUM +static void js_float_env_finalizer(JSRuntime *rt, JSValue val); +static JSValue JS_NewBigFloat(JSContext *ctx); +static inline bf_t *JS_GetBigFloat(JSValueConst val) +{ + JSBigFloat *p = JS_VALUE_GET_PTR(val); + return &p->num; +} +static JSValue JS_NewBigDecimal(JSContext *ctx); +static inline bfdec_t *JS_GetBigDecimal(JSValueConst val) +{ + JSBigDecimal *p = JS_VALUE_GET_PTR(val); + return &p->num; +} +static JSValue JS_NewBigInt(JSContext *ctx); +static inline bf_t *JS_GetBigInt(JSValueConst val) +{ + JSBigFloat *p = JS_VALUE_GET_PTR(val); + return &p->num; +} +static JSValue JS_CompactBigInt1(JSContext *ctx, JSValue val, + BOOL convert_to_safe_integer); +static JSValue JS_CompactBigInt(JSContext *ctx, JSValue val); +static int JS_ToBigInt64Free(JSContext *ctx, int64_t *pres, JSValue val); +static bf_t *JS_ToBigInt(JSContext *ctx, bf_t *buf, JSValueConst val); +static void JS_FreeBigInt(JSContext *ctx, bf_t *a, bf_t *buf); +static bf_t *JS_ToBigFloat(JSContext *ctx, bf_t *buf, JSValueConst val); +static JSValue JS_ToBigDecimalFree(JSContext *ctx, JSValue val, + BOOL allow_null_or_undefined); +static bfdec_t *JS_ToBigDecimal(JSContext *ctx, JSValueConst val); +#endif +JSValue JS_ThrowOutOfMemory(JSContext *ctx); +static JSValue JS_ThrowTypeErrorRevokedProxy(JSContext *ctx); +static JSValue js_proxy_getPrototypeOf(JSContext *ctx, JSValueConst obj); +static int js_proxy_setPrototypeOf(JSContext *ctx, JSValueConst obj, + JSValueConst proto_val, BOOL throw_flag); +static int js_proxy_isExtensible(JSContext *ctx, JSValueConst obj); +static int js_proxy_preventExtensions(JSContext *ctx, JSValueConst obj); +static int js_proxy_isArray(JSContext *ctx, JSValueConst obj); +static int JS_CreateProperty(JSContext *ctx, JSObject *p, + JSAtom prop, JSValueConst val, + JSValueConst getter, JSValueConst setter, + int flags); +static int js_string_memcmp(const JSString *p1, const JSString *p2, int len); +static void reset_weak_ref(JSRuntime *rt, JSObject *p); +static JSValue js_array_buffer_constructor3(JSContext *ctx, + JSValueConst new_target, + uint64_t len, JSClassID class_id, + uint8_t *buf, + JSFreeArrayBufferDataFunc *free_func, + void *opaque, BOOL alloc_flag); +static JSArrayBuffer *js_get_array_buffer(JSContext *ctx, JSValueConst obj); +static JSValue js_typed_array_constructor(JSContext *ctx, + JSValueConst this_val, + int argc, JSValueConst *argv, + int classid); +static BOOL typed_array_is_detached(JSContext *ctx, JSObject *p); +static uint32_t typed_array_get_length(JSContext *ctx, JSObject *p); +static JSValue JS_ThrowTypeErrorDetachedArrayBuffer(JSContext *ctx); +static JSVarRef *get_var_ref(JSContext *ctx, JSStackFrame *sf, int var_idx, + BOOL is_arg); +static JSValue js_generator_function_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int flags); +static void js_async_function_resolve_finalizer(JSRuntime *rt, JSValue val); +static void js_async_function_resolve_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static JSValue JS_EvalInternal(JSContext *ctx, JSValueConst this_obj, + const char *input, size_t input_len, + const char *filename, int flags, int scope_idx); +static void js_free_module_def(JSContext *ctx, JSModuleDef *m); +static void js_mark_module_def(JSRuntime *rt, JSModuleDef *m, + JS_MarkFunc *mark_func); +static JSValue js_import_meta(JSContext *ctx); +static JSValue js_dynamic_import(JSContext *ctx, JSValueConst specifier); +static void free_var_ref(JSRuntime *rt, JSVarRef *var_ref); +static JSValue js_new_promise_capability(JSContext *ctx, + JSValue *resolving_funcs, + JSValueConst ctor); +static __exception int perform_promise_then(JSContext *ctx, + JSValueConst promise, + JSValueConst *resolve_reject, + JSValueConst *cap_resolving_funcs); +static JSValue js_promise_resolve(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, int magic); +static int js_string_compare(JSContext *ctx, + const JSString *p1, const JSString *p2); +static JSValue JS_ToNumber(JSContext *ctx, JSValueConst val); +static int JS_SetPropertyValue(JSContext *ctx, JSValueConst this_obj, + JSValue prop, JSValue val, int flags); +static int JS_NumberIsInteger(JSContext *ctx, JSValueConst val); +static BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val); +static JSValue JS_ToNumberFree(JSContext *ctx, JSValue val); +static int JS_GetOwnPropertyInternal(JSContext *ctx, JSPropertyDescriptor *desc, + JSObject *p, JSAtom prop); +static void js_free_desc(JSContext *ctx, JSPropertyDescriptor *desc); +static void async_func_mark(JSRuntime *rt, JSAsyncFunctionState *s, + JS_MarkFunc *mark_func); +static void JS_AddIntrinsicBasicObjects(JSContext *ctx); +static void js_free_shape(JSRuntime *rt, JSShape *sh); +static void js_free_shape_null(JSRuntime *rt, JSShape *sh); +static int js_shape_prepare_update(JSContext *ctx, JSObject *p, + JSShapeProperty **pprs); +static int init_shape_hash(JSRuntime *rt); +static __exception int js_get_length32(JSContext *ctx, uint32_t *pres, + JSValueConst obj); +static __exception int js_get_length64(JSContext *ctx, int64_t *pres, + JSValueConst obj); +static void free_arg_list(JSContext *ctx, JSValue *tab, uint32_t len); +static JSValue *build_arg_list(JSContext *ctx, uint32_t *plen, + JSValueConst array_arg); +static BOOL js_get_fast_array(JSContext *ctx, JSValueConst obj, + JSValue **arrpp, uint32_t *countp); +static JSValue JS_CreateAsyncFromSyncIterator(JSContext *ctx, + JSValueConst sync_iter); +static void js_c_function_data_finalizer(JSRuntime *rt, JSValue val); +static void js_c_function_data_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func); +static JSValue js_c_function_data_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_val, + int argc, JSValueConst *argv, int flags); +static JSAtom js_symbol_to_atom(JSContext *ctx, JSValue val); +static void add_gc_object(JSRuntime *rt, JSGCObjectHeader *h, + JSGCObjectTypeEnum type); +static void remove_gc_object(JSGCObjectHeader *h); +static void js_async_function_free0(JSRuntime *rt, JSAsyncFunctionData *s); +static int js_instantiate_prototype(JSContext *ctx, JSObject *p, JSAtom atom, void *opaque); +static int js_module_ns_autoinit(JSContext *ctx, JSObject *p, JSAtom atom, + void *opaque); +static int JS_InstantiateFunctionListItem(JSContext *ctx, JSObject *p, + JSAtom atom, void *opaque); +void JS_SetUncatchableError(JSContext *ctx, JSValueConst val, BOOL flag); + +static const JSClassExoticMethods js_arguments_exotic_methods; +static const JSClassExoticMethods js_string_exotic_methods; +static const JSClassExoticMethods js_proxy_exotic_methods; +static const JSClassExoticMethods js_module_ns_exotic_methods; +static JSClassID js_class_id_alloc = JS_CLASS_INIT_COUNT; + +static void js_trigger_gc(JSRuntime *rt, size_t size) +{ + BOOL force_gc; +#ifdef FORCE_GC_AT_MALLOC + force_gc = TRUE; +#else + force_gc = ((rt->malloc_state.malloc_size + size) > + rt->malloc_gc_threshold); +#endif + if (force_gc) { +#ifdef DUMP_GC + printf("GC: size=%" PRIu64 "\n", + (uint64_t)rt->malloc_state.malloc_size); +#endif + JS_RunGC(rt); + rt->malloc_gc_threshold = rt->malloc_state.malloc_size + + (rt->malloc_state.malloc_size >> 1); + } +} + +static size_t js_malloc_usable_size_unknown(const void *ptr) +{ + return 0; +} + +void *js_malloc_rt(JSRuntime *rt, size_t size) +{ + return rt->mf.js_malloc(&rt->malloc_state, size); +} + +void js_free_rt(JSRuntime *rt, void *ptr) +{ + rt->mf.js_free(&rt->malloc_state, ptr); +} + +void *js_realloc_rt(JSRuntime *rt, void *ptr, size_t size) +{ + return rt->mf.js_realloc(&rt->malloc_state, ptr, size); +} + +size_t js_malloc_usable_size_rt(JSRuntime *rt, const void *ptr) +{ + return rt->mf.js_malloc_usable_size(ptr); +} + +void *js_mallocz_rt(JSRuntime *rt, size_t size) +{ + void *ptr; + ptr = js_malloc_rt(rt, size); + if (!ptr) + return NULL; + return memset(ptr, 0, size); +} + +#ifdef CONFIG_BIGNUM +/* called by libbf */ +static void *js_bf_realloc(void *opaque, void *ptr, size_t size) +{ + JSRuntime *rt = opaque; + return js_realloc_rt(rt, ptr, size); +} +#endif /* CONFIG_BIGNUM */ + +/* Throw out of memory in case of error */ +void *js_malloc(JSContext *ctx, size_t size) +{ + void *ptr; + ptr = js_malloc_rt(ctx->rt, size); + if (unlikely(!ptr)) { + JS_ThrowOutOfMemory(ctx); + return NULL; + } + return ptr; +} + +/* Throw out of memory in case of error */ +void *js_mallocz(JSContext *ctx, size_t size) +{ + void *ptr; + ptr = js_mallocz_rt(ctx->rt, size); + if (unlikely(!ptr)) { + JS_ThrowOutOfMemory(ctx); + return NULL; + } + return ptr; +} + +void js_free(JSContext *ctx, void *ptr) +{ + js_free_rt(ctx->rt, ptr); +} + +/* Throw out of memory in case of error */ +void *js_realloc(JSContext *ctx, void *ptr, size_t size) +{ + void *ret; + ret = js_realloc_rt(ctx->rt, ptr, size); + if (unlikely(!ret && size != 0)) { + JS_ThrowOutOfMemory(ctx); + return NULL; + } + return ret; +} + +/* store extra allocated size in *pslack if successful */ +void *js_realloc2(JSContext *ctx, void *ptr, size_t size, size_t *pslack) +{ + void *ret; + ret = js_realloc_rt(ctx->rt, ptr, size); + if (unlikely(!ret && size != 0)) { + JS_ThrowOutOfMemory(ctx); + return NULL; + } + if (pslack) { + size_t new_size = js_malloc_usable_size_rt(ctx->rt, ret); + *pslack = (new_size > size) ? new_size - size : 0; + } + return ret; +} + +size_t js_malloc_usable_size(JSContext *ctx, const void *ptr) +{ + return js_malloc_usable_size_rt(ctx->rt, ptr); +} + +/* Throw out of memory exception in case of error */ +char *js_strndup(JSContext *ctx, const char *s, size_t n) +{ + char *ptr; + ptr = js_malloc(ctx, n + 1); + if (ptr) { + memcpy(ptr, s, n); + ptr[n] = '\0'; + } + return ptr; +} + +char *js_strdup(JSContext *ctx, const char *str) +{ + return js_strndup(ctx, str, strlen(str)); +} + +static no_inline int js_realloc_array(JSContext *ctx, void **parray, + int elem_size, int *psize, int req_size) +{ + int new_size; + size_t slack; + void *new_array; + /* XXX: potential arithmetic overflow */ + new_size = max_int(req_size, *psize * 3 / 2); + new_array = js_realloc2(ctx, *parray, new_size * elem_size, &slack); + if (!new_array) + return -1; + new_size += slack / elem_size; + *psize = new_size; + *parray = new_array; + return 0; +} + +/* resize the array and update its size if req_size > *psize */ +static inline int js_resize_array(JSContext *ctx, void **parray, int elem_size, + int *psize, int req_size) +{ + if (unlikely(req_size > *psize)) + return js_realloc_array(ctx, parray, elem_size, psize, req_size); + else + return 0; +} + +static inline void js_dbuf_init(JSContext *ctx, DynBuf *s) +{ + dbuf_init2(s, ctx->rt, (DynBufReallocFunc *)js_realloc_rt); +} + +static inline int is_digit(int c) { + return c >= '0' && c <= '9'; +} + +typedef struct JSClassShortDef { + JSAtom class_name; + JSClassFinalizer *finalizer; + JSClassGCMark *gc_mark; +} JSClassShortDef; + +static JSClassShortDef const js_std_class_def[] = { + { JS_ATOM_Object, NULL, NULL }, /* JS_CLASS_OBJECT */ + { JS_ATOM_Array, js_array_finalizer, js_array_mark }, /* JS_CLASS_ARRAY */ + { JS_ATOM_Error, NULL, NULL }, /* JS_CLASS_ERROR */ + { JS_ATOM_Number, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_NUMBER */ + { JS_ATOM_String, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_STRING */ + { JS_ATOM_Boolean, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_BOOLEAN */ + { JS_ATOM_Symbol, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_SYMBOL */ + { JS_ATOM_Arguments, js_array_finalizer, js_array_mark }, /* JS_CLASS_ARGUMENTS */ + { JS_ATOM_Arguments, NULL, NULL }, /* JS_CLASS_MAPPED_ARGUMENTS */ + { JS_ATOM_Date, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_DATE */ + { JS_ATOM_Object, NULL, NULL }, /* JS_CLASS_MODULE_NS */ + { JS_ATOM_Function, js_c_function_finalizer, js_c_function_mark }, /* JS_CLASS_C_FUNCTION */ + { JS_ATOM_Function, js_bytecode_function_finalizer, js_bytecode_function_mark }, /* JS_CLASS_BYTECODE_FUNCTION */ + { JS_ATOM_Function, js_bound_function_finalizer, js_bound_function_mark }, /* JS_CLASS_BOUND_FUNCTION */ + { JS_ATOM_Function, js_c_function_data_finalizer, js_c_function_data_mark }, /* JS_CLASS_C_FUNCTION_DATA */ + { JS_ATOM_GeneratorFunction, js_bytecode_function_finalizer, js_bytecode_function_mark }, /* JS_CLASS_GENERATOR_FUNCTION */ + { JS_ATOM_ForInIterator, js_for_in_iterator_finalizer, js_for_in_iterator_mark }, /* JS_CLASS_FOR_IN_ITERATOR */ + { JS_ATOM_RegExp, js_regexp_finalizer, NULL }, /* JS_CLASS_REGEXP */ + { JS_ATOM_ArrayBuffer, js_array_buffer_finalizer, NULL }, /* JS_CLASS_ARRAY_BUFFER */ + { JS_ATOM_SharedArrayBuffer, js_array_buffer_finalizer, NULL }, /* JS_CLASS_SHARED_ARRAY_BUFFER */ + { JS_ATOM_Uint8ClampedArray, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_UINT8C_ARRAY */ + { JS_ATOM_Int8Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_INT8_ARRAY */ + { JS_ATOM_Uint8Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_UINT8_ARRAY */ + { JS_ATOM_Int16Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_INT16_ARRAY */ + { JS_ATOM_Uint16Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_UINT16_ARRAY */ + { JS_ATOM_Int32Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_INT32_ARRAY */ + { JS_ATOM_Uint32Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_UINT32_ARRAY */ +#ifdef CONFIG_BIGNUM + { JS_ATOM_BigInt64Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_BIG_INT64_ARRAY */ + { JS_ATOM_BigUint64Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_BIG_UINT64_ARRAY */ +#endif + { JS_ATOM_Float32Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_FLOAT32_ARRAY */ + { JS_ATOM_Float64Array, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_FLOAT64_ARRAY */ + { JS_ATOM_DataView, js_typed_array_finalizer, js_typed_array_mark }, /* JS_CLASS_DATAVIEW */ +#ifdef CONFIG_BIGNUM + { JS_ATOM_BigInt, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_BIG_INT */ + { JS_ATOM_BigFloat, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_BIG_FLOAT */ + { JS_ATOM_BigFloatEnv, js_float_env_finalizer, NULL }, /* JS_CLASS_FLOAT_ENV */ + { JS_ATOM_BigDecimal, js_object_data_finalizer, js_object_data_mark }, /* JS_CLASS_BIG_DECIMAL */ + { JS_ATOM_OperatorSet, js_operator_set_finalizer, js_operator_set_mark }, /* JS_CLASS_OPERATOR_SET */ +#endif + { JS_ATOM_Map, js_map_finalizer, js_map_mark }, /* JS_CLASS_MAP */ + { JS_ATOM_Set, js_map_finalizer, js_map_mark }, /* JS_CLASS_SET */ + { JS_ATOM_WeakMap, js_map_finalizer, js_map_mark }, /* JS_CLASS_WEAKMAP */ + { JS_ATOM_WeakSet, js_map_finalizer, js_map_mark }, /* JS_CLASS_WEAKSET */ + { JS_ATOM_Map_Iterator, js_map_iterator_finalizer, js_map_iterator_mark }, /* JS_CLASS_MAP_ITERATOR */ + { JS_ATOM_Set_Iterator, js_map_iterator_finalizer, js_map_iterator_mark }, /* JS_CLASS_SET_ITERATOR */ + { JS_ATOM_Array_Iterator, js_array_iterator_finalizer, js_array_iterator_mark }, /* JS_CLASS_ARRAY_ITERATOR */ + { JS_ATOM_String_Iterator, js_array_iterator_finalizer, js_array_iterator_mark }, /* JS_CLASS_STRING_ITERATOR */ + { JS_ATOM_RegExp_String_Iterator, js_regexp_string_iterator_finalizer, js_regexp_string_iterator_mark }, /* JS_CLASS_REGEXP_STRING_ITERATOR */ + { JS_ATOM_Generator, js_generator_finalizer, js_generator_mark }, /* JS_CLASS_GENERATOR */ +}; + +static int init_class_range(JSRuntime *rt, JSClassShortDef const *tab, + int start, int count) +{ + JSClassDef cm_s, *cm = &cm_s; + int i, class_id; + + for(i = 0; i < count; i++) { + class_id = i + start; + memset(cm, 0, sizeof(*cm)); + cm->finalizer = tab[i].finalizer; + cm->gc_mark = tab[i].gc_mark; + if (JS_NewClass1(rt, class_id, cm, tab[i].class_name) < 0) + return -1; + } + return 0; +} + +#ifdef CONFIG_BIGNUM +static JSValue JS_ThrowUnsupportedOperation(JSContext *ctx) +{ + return JS_ThrowTypeError(ctx, "unsupported operation"); +} + +static JSValue invalid_to_string(JSContext *ctx, JSValueConst val) +{ + return JS_ThrowUnsupportedOperation(ctx); +} + +static JSValue invalid_from_string(JSContext *ctx, const char *buf, + int radix, int flags, slimb_t *pexponent) +{ + return JS_NAN; +} + +static int invalid_unary_arith(JSContext *ctx, + JSValue *pres, OPCodeEnum op, JSValue op1) +{ + JS_FreeValue(ctx, op1); + JS_ThrowUnsupportedOperation(ctx); + return -1; +} + +static int invalid_binary_arith(JSContext *ctx, OPCodeEnum op, + JSValue *pres, JSValue op1, JSValue op2) +{ + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + JS_ThrowUnsupportedOperation(ctx); + return -1; +} + +static JSValue invalid_mul_pow10_to_float64(JSContext *ctx, const bf_t *a, + int64_t exponent) +{ + return JS_ThrowUnsupportedOperation(ctx); +} + +static int invalid_mul_pow10(JSContext *ctx, JSValue *sp) +{ + JS_ThrowUnsupportedOperation(ctx); + return -1; +} + +static void set_dummy_numeric_ops(JSNumericOperations *ops) +{ + ops->to_string = invalid_to_string; + ops->from_string = invalid_from_string; + ops->unary_arith = invalid_unary_arith; + ops->binary_arith = invalid_binary_arith; + ops->mul_pow10_to_float64 = invalid_mul_pow10_to_float64; + ops->mul_pow10 = invalid_mul_pow10; +} + +#endif /* CONFIG_BIGNUM */ + +#if !defined(CONFIG_STACK_CHECK) +/* no stack limitation */ +static inline uint8_t *js_get_stack_pointer(void) +{ + return NULL; +} + +static inline BOOL js_check_stack_overflow(JSRuntime *rt, size_t alloca_size) +{ + return FALSE; +} +#else +/* Note: OS and CPU dependent */ +static inline uint8_t *js_get_stack_pointer(void) +{ + return __builtin_frame_address(0); +} + +static inline BOOL js_check_stack_overflow(JSRuntime *rt, size_t alloca_size) +{ + size_t size; + size = rt->stack_top - js_get_stack_pointer(); + return unlikely((size + alloca_size) > rt->stack_size); +} +#endif + +JSRuntime *JS_NewRuntime2(const JSMallocFunctions *mf, void *opaque) +{ + JSRuntime *rt; + JSMallocState ms; + + memset(&ms, 0, sizeof(ms)); + ms.opaque = opaque; + ms.malloc_limit = -1; + + rt = mf->js_malloc(&ms, sizeof(JSRuntime)); + if (!rt) + return NULL; + memset(rt, 0, sizeof(*rt)); + rt->mf = *mf; + if (!rt->mf.js_malloc_usable_size) { + /* use dummy function if none provided */ + rt->mf.js_malloc_usable_size = js_malloc_usable_size_unknown; + } + rt->malloc_state = ms; + rt->malloc_gc_threshold = 256 * 1024; + +#ifdef CONFIG_BIGNUM + bf_context_init(&rt->bf_ctx, js_bf_realloc, rt); + set_dummy_numeric_ops(&rt->bigint_ops); + set_dummy_numeric_ops(&rt->bigfloat_ops); + set_dummy_numeric_ops(&rt->bigdecimal_ops); +#endif + + init_list_head(&rt->context_list); + init_list_head(&rt->gc_obj_list); + init_list_head(&rt->gc_zero_ref_count_list); + rt->gc_phase = JS_GC_PHASE_NONE; + +#ifdef DUMP_LEAKS + init_list_head(&rt->string_list); +#endif + init_list_head(&rt->job_list); + + if (JS_InitAtoms(rt)) + goto fail; + + /* create the object, array and function classes */ + if (init_class_range(rt, js_std_class_def, JS_CLASS_OBJECT, + countof(js_std_class_def)) < 0) + goto fail; + rt->class_array[JS_CLASS_ARGUMENTS].exotic = &js_arguments_exotic_methods; + rt->class_array[JS_CLASS_STRING].exotic = &js_string_exotic_methods; + rt->class_array[JS_CLASS_MODULE_NS].exotic = &js_module_ns_exotic_methods; + + rt->class_array[JS_CLASS_C_FUNCTION].call = js_call_c_function; + rt->class_array[JS_CLASS_C_FUNCTION_DATA].call = js_c_function_data_call; + rt->class_array[JS_CLASS_BOUND_FUNCTION].call = js_call_bound_function; + rt->class_array[JS_CLASS_GENERATOR_FUNCTION].call = js_generator_function_call; + if (init_shape_hash(rt)) + goto fail; + + rt->stack_top = js_get_stack_pointer(); + rt->stack_size = JS_DEFAULT_STACK_SIZE; + rt->current_exception = JS_NULL; + + return rt; + fail: + JS_FreeRuntime(rt); + return NULL; +} + +void *JS_GetRuntimeOpaque(JSRuntime *rt) +{ + return rt->user_opaque; +} + +void JS_SetRuntimeOpaque(JSRuntime *rt, void *opaque) +{ + rt->user_opaque = opaque; +} + +/* default memory allocation functions with memory limitation */ +static inline size_t js_def_malloc_usable_size(void *ptr) +{ +#if defined(__APPLE__) + return malloc_size(ptr); +#elif defined(_WIN32) + return _msize(ptr); +#elif defined(EMSCRIPTEN) + return 0; +#elif defined(__linux__) + return 0; //malloc_usable_size(ptr); +#else + /* change this to `return 0;` if compilation fails */ + return 0; //malloc_usable_size(ptr); +#endif +} + +static void *js_def_malloc(JSMallocState *s, size_t size) +{ + void *ptr; + + /* Do not allocate zero bytes: behavior is platform dependent */ + assert(size != 0); + + if (unlikely(s->malloc_size + size > s->malloc_limit)) + return NULL; + + ptr = malloc(size); + if (!ptr) + return NULL; + + s->malloc_count++; + s->malloc_size += js_def_malloc_usable_size(ptr) + MALLOC_OVERHEAD; + return ptr; +} + +static void js_def_free(JSMallocState *s, void *ptr) +{ + if (!ptr) + return; + + s->malloc_count--; + s->malloc_size -= js_def_malloc_usable_size(ptr) + MALLOC_OVERHEAD; + free(ptr); +} + +static void *js_def_realloc(JSMallocState *s, void *ptr, size_t size) +{ + size_t old_size; + + if (!ptr) { + if (size == 0) + return NULL; + return js_def_malloc(s, size); + } + old_size = js_def_malloc_usable_size(ptr); + if (size == 0) { + s->malloc_count--; + s->malloc_size -= old_size + MALLOC_OVERHEAD; + free(ptr); + return NULL; + } + if (s->malloc_size + size - old_size > s->malloc_limit) + return NULL; + + ptr = realloc(ptr, size); + if (!ptr) + return NULL; + + s->malloc_size += js_def_malloc_usable_size(ptr) - old_size; + return ptr; +} + +static const JSMallocFunctions def_malloc_funcs = { + js_def_malloc, + js_def_free, + js_def_realloc, +#if defined(__APPLE__) + malloc_size, +#elif defined(_WIN32) + (size_t (*)(const void *))_msize, +#elif defined(EMSCRIPTEN) + NULL, +#elif defined(__linux__) + NULL, //(size_t (*)(const void *))malloc_usable_size, +#else + /* change this to `NULL,` if compilation fails */ + NULL, //malloc_usable_size, +#endif +}; + +JSRuntime *JS_NewRuntime(void) +{ + return JS_NewRuntime2(&def_malloc_funcs, NULL); +} + +void JS_SetMemoryLimit(JSRuntime *rt, size_t limit) +{ + rt->malloc_state.malloc_limit = limit; +} + +/* use -1 to disable automatic GC */ +void JS_SetGCThreshold(JSRuntime *rt, size_t gc_threshold) +{ + rt->malloc_gc_threshold = gc_threshold; +} + +#define malloc(s) malloc_is_forbidden(s) +#define free(p) free_is_forbidden(p) +#define realloc(p,s) realloc_is_forbidden(p,s) + +void JS_SetInterruptHandler(JSRuntime *rt, JSInterruptHandler *cb, void *opaque) +{ + rt->interrupt_handler = cb; + rt->interrupt_opaque = opaque; +} + +void JS_SetCanBlock(JSRuntime *rt, BOOL can_block) +{ + rt->can_block = can_block; +} + +void JS_SetSharedArrayBufferFunctions(JSRuntime *rt, + const JSSharedArrayBufferFunctions *sf) +{ + rt->sab_funcs = *sf; +} + +/* return 0 if OK, < 0 if exception */ +int JS_EnqueueJob(JSContext *ctx, JSJobFunc *job_func, + int argc, JSValueConst *argv) +{ + JSRuntime *rt = ctx->rt; + JSJobEntry *e; + int i; + + e = js_malloc(ctx, sizeof(*e) + argc * sizeof(JSValue)); + if (!e) + return -1; + e->ctx = ctx; + e->job_func = job_func; + e->argc = argc; + for(i = 0; i < argc; i++) { + e->argv[i] = JS_DupValue(ctx, argv[i]); + } + list_add_tail(&e->link, &rt->job_list); + return 0; +} + +BOOL JS_IsJobPending(JSRuntime *rt) +{ + return !list_empty(&rt->job_list); +} + +/* return < 0 if exception, 0 if no job pending, 1 if a job was + executed successfully. the context of the job is stored in '*pctx' */ +int JS_ExecutePendingJob(JSRuntime *rt, JSContext **pctx) +{ + JSContext *ctx; + JSJobEntry *e; + JSValue res; + int i, ret; + + if (list_empty(&rt->job_list)) { + *pctx = NULL; + return 0; + } + + /* get the first pending job and execute it */ + e = list_entry(rt->job_list.next, JSJobEntry, link); + list_del(&e->link); + ctx = e->ctx; + res = e->job_func(e->ctx, e->argc, (JSValueConst *)e->argv); + for(i = 0; i < e->argc; i++) + JS_FreeValue(ctx, e->argv[i]); + if (JS_IsException(res)) + ret = -1; + else + ret = 1; + JS_FreeValue(ctx, res); + js_free(ctx, e); + *pctx = ctx; + return ret; +} + +static inline uint32_t atom_get_free(const JSAtomStruct *p) +{ + return (uintptr_t)p >> 1; +} + +static inline BOOL atom_is_free(const JSAtomStruct *p) +{ + return (uintptr_t)p & 1; +} + +static inline JSAtomStruct *atom_set_free(uint32_t v) +{ + return (JSAtomStruct *)(((uintptr_t)v << 1) | 1); +} + +/* Note: the string contents are uninitialized */ +static JSString *js_alloc_string_rt(JSRuntime *rt, int max_len, int is_wide_char) +{ + JSString *str; + str = js_malloc_rt(rt, sizeof(JSString) + (max_len << is_wide_char) + 1 - is_wide_char); + if (unlikely(!str)) + return NULL; + str->header.ref_count = 1; + str->is_wide_char = is_wide_char; + str->len = max_len; + str->atom_type = 0; + str->hash = 0; /* optional but costless */ + str->hash_next = 0; /* optional */ +#ifdef DUMP_LEAKS + list_add_tail(&str->link, &rt->string_list); +#endif + return str; +} + +static JSString *js_alloc_string(JSContext *ctx, int max_len, int is_wide_char) +{ + JSString *p; + p = js_alloc_string_rt(ctx->rt, max_len, is_wide_char); + if (unlikely(!p)) { + JS_ThrowOutOfMemory(ctx); + return NULL; + } + return p; +} + +/* same as JS_FreeValueRT() but faster */ +static inline void js_free_string(JSRuntime *rt, JSString *str) +{ + if (--str->header.ref_count <= 0) { + if (str->atom_type) { + JS_FreeAtomStruct(rt, str); + } else { +#ifdef DUMP_LEAKS + list_del(&str->link); +#endif + js_free_rt(rt, str); + } + } +} + +void JS_SetRuntimeInfo(JSRuntime *rt, const char *s) +{ + if (rt) + rt->rt_info = s; +} + +void JS_FreeRuntime(JSRuntime *rt) +{ + struct list_head *el, *el1; + int i; + + JS_FreeValueRT(rt, rt->current_exception); + + list_for_each_safe(el, el1, &rt->job_list) { + JSJobEntry *e = list_entry(el, JSJobEntry, link); + for(i = 0; i < e->argc; i++) + JS_FreeValueRT(rt, e->argv[i]); + js_free_rt(rt, e); + } + init_list_head(&rt->job_list); + + JS_RunGC(rt); + +#ifdef DUMP_LEAKS + /* leaking objects */ + { + BOOL header_done; + JSGCObjectHeader *p; + int count; + + /* remove the internal refcounts to display only the object + referenced externally */ + list_for_each(el, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + p->mark = 0; + } + gc_decref(rt); + + header_done = FALSE; + list_for_each(el, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + if (p->ref_count != 0) { + if (!header_done) { + printf("Object leaks:\n"); + JS_DumpObjectHeader(rt); + header_done = TRUE; + } + JS_DumpGCObject(rt, p); + } + } + + count = 0; + list_for_each(el, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + if (p->ref_count == 0) { + count++; + } + } + if (count != 0) + printf("Secondary object leaks: %d\n", count); + } +#endif + assert(list_empty(&rt->gc_obj_list)); + + /* free the classes */ + for(i = 0; i < rt->class_count; i++) { + JSClass *cl = &rt->class_array[i]; + if (cl->class_id != 0) { + JS_FreeAtomRT(rt, cl->class_name); + } + } + js_free_rt(rt, rt->class_array); + +#ifdef CONFIG_BIGNUM + bf_context_end(&rt->bf_ctx); +#endif + +#ifdef DUMP_LEAKS + /* only the atoms defined in JS_InitAtoms() should be left */ + { + BOOL header_done = FALSE; + + for(i = 0; i < rt->atom_size; i++) { + JSAtomStruct *p = rt->atom_array[i]; + if (!atom_is_free(p) /* && p->str*/) { + if (i >= JS_ATOM_END || p->header.ref_count != 1) { + if (!header_done) { + header_done = TRUE; + if (rt->rt_info) { + printf("%s:1: atom leakage:", rt->rt_info); + } else { + printf("Atom leaks:\n" + " %6s %6s %s\n", + "ID", "REFCNT", "NAME"); + } + } + if (rt->rt_info) { + printf(" "); + } else { + printf(" %6u %6u ", i, p->header.ref_count); + } + switch (p->atom_type) { + case JS_ATOM_TYPE_STRING: + JS_DumpString(rt, p); + break; + case JS_ATOM_TYPE_GLOBAL_SYMBOL: + printf("Symbol.for("); + JS_DumpString(rt, p); + printf(")"); + break; + case JS_ATOM_TYPE_SYMBOL: + if (p->hash == JS_ATOM_HASH_SYMBOL) { + printf("Symbol("); + JS_DumpString(rt, p); + printf(")"); + } else { + printf("Private("); + JS_DumpString(rt, p); + printf(")"); + } + break; + } + if (rt->rt_info) { + printf(":%u", p->header.ref_count); + } else { + printf("\n"); + } + } + } + } + if (rt->rt_info && header_done) + printf("\n"); + } +#endif + + /* free the atoms */ + for(i = 0; i < rt->atom_size; i++) { + JSAtomStruct *p = rt->atom_array[i]; + if (!atom_is_free(p)) { +#ifdef DUMP_LEAKS + list_del(&p->link); +#endif + js_free_rt(rt, p); + } + } + js_free_rt(rt, rt->atom_array); + js_free_rt(rt, rt->atom_hash); + js_free_rt(rt, rt->shape_hash); +#ifdef DUMP_LEAKS + if (!list_empty(&rt->string_list)) { + if (rt->rt_info) { + printf("%s:1: string leakage:", rt->rt_info); + } else { + printf("String leaks:\n" + " %6s %s\n", + "REFCNT", "VALUE"); + } + list_for_each_safe(el, el1, &rt->string_list) { + JSString *str = list_entry(el, JSString, link); + if (rt->rt_info) { + printf(" "); + } else { + printf(" %6u ", str->header.ref_count); + } + JS_DumpString(rt, str); + if (rt->rt_info) { + printf(":%u", str->header.ref_count); + } else { + printf("\n"); + } + list_del(&str->link); + js_free_rt(rt, str); + } + if (rt->rt_info) + printf("\n"); + } + { + JSMallocState *s = &rt->malloc_state; + if (s->malloc_count > 1) { + if (rt->rt_info) + printf("%s:1: ", rt->rt_info); + printf("Memory leak: %"PRIu64" bytes lost in %"PRIu64" block%s\n", + (uint64_t)(s->malloc_size - sizeof(JSRuntime)), + (uint64_t)(s->malloc_count - 1), &"s"[s->malloc_count == 2]); + } + } +#endif + + { + JSMallocState ms = rt->malloc_state; + rt->mf.js_free(&ms, rt); + } +} + +JSContext *JS_NewContextRaw(JSRuntime *rt) +{ + JSContext *ctx; + int i; + + ctx = js_mallocz_rt(rt, sizeof(JSContext)); + if (!ctx) + return NULL; + ctx->header.ref_count = 1; + add_gc_object(rt, &ctx->header, JS_GC_OBJ_TYPE_JS_CONTEXT); + + ctx->class_proto = js_malloc_rt(rt, sizeof(ctx->class_proto[0]) * + rt->class_count); + if (!ctx->class_proto) { + js_free_rt(rt, ctx); + return NULL; + } + ctx->rt = rt; + list_add_tail(&ctx->link, &rt->context_list); +#ifdef CONFIG_BIGNUM + ctx->bf_ctx = &rt->bf_ctx; + ctx->fp_env.prec = 113; + ctx->fp_env.flags = bf_set_exp_bits(15) | BF_RNDN | BF_FLAG_SUBNORMAL; +#endif + for(i = 0; i < rt->class_count; i++) + ctx->class_proto[i] = JS_NULL; + ctx->array_ctor = JS_NULL; + ctx->regexp_ctor = JS_NULL; + ctx->promise_ctor = JS_NULL; + init_list_head(&ctx->loaded_modules); + + JS_AddIntrinsicBasicObjects(ctx); + return ctx; +} + +JSContext *JS_NewContext(JSRuntime *rt) +{ + JSContext *ctx; + + ctx = JS_NewContextRaw(rt); + if (!ctx) + return NULL; + + JS_AddIntrinsicBaseObjects(ctx); + JS_AddIntrinsicDate(ctx); + JS_AddIntrinsicEval(ctx); + JS_AddIntrinsicStringNormalize(ctx); + JS_AddIntrinsicRegExp(ctx); + JS_AddIntrinsicJSON(ctx); + JS_AddIntrinsicProxy(ctx); + JS_AddIntrinsicMapSet(ctx); + JS_AddIntrinsicTypedArrays(ctx); + JS_AddIntrinsicPromise(ctx); +#ifdef CONFIG_BIGNUM + JS_AddIntrinsicBigInt(ctx); +#endif + return ctx; +} + +void *JS_GetContextOpaque(JSContext *ctx) +{ + return ctx->user_opaque; +} + +void JS_SetContextOpaque(JSContext *ctx, void *opaque) +{ + ctx->user_opaque = opaque; +} + +/* set the new value and free the old value after (freeing the value + can reallocate the object data) */ +static inline void set_value(JSContext *ctx, JSValue *pval, JSValue new_val) +{ + JSValue old_val; + old_val = *pval; + *pval = new_val; + JS_FreeValue(ctx, old_val); +} + +void JS_SetClassProto(JSContext *ctx, JSClassID class_id, JSValue obj) +{ + JSRuntime *rt = ctx->rt; + assert(class_id < rt->class_count); + set_value(ctx, &ctx->class_proto[class_id], obj); +} + +JSValue JS_GetClassProto(JSContext *ctx, JSClassID class_id) +{ + JSRuntime *rt = ctx->rt; + assert(class_id < rt->class_count); + return JS_DupValue(ctx, ctx->class_proto[class_id]); +} + +typedef enum JSFreeModuleEnum { + JS_FREE_MODULE_ALL, + JS_FREE_MODULE_NOT_RESOLVED, + JS_FREE_MODULE_NOT_EVALUATED, +} JSFreeModuleEnum; + +/* XXX: would be more efficient with separate module lists */ +static void js_free_modules(JSContext *ctx, JSFreeModuleEnum flag) +{ + struct list_head *el, *el1; + list_for_each_safe(el, el1, &ctx->loaded_modules) { + JSModuleDef *m = list_entry(el, JSModuleDef, link); + if (flag == JS_FREE_MODULE_ALL || + (flag == JS_FREE_MODULE_NOT_RESOLVED && !m->resolved) || + (flag == JS_FREE_MODULE_NOT_EVALUATED && !m->evaluated)) { + js_free_module_def(ctx, m); + } + } +} + +JSContext *JS_DupContext(JSContext *ctx) +{ + ctx->header.ref_count++; + return ctx; +} + +/* used by the GC */ +static void JS_MarkContext(JSRuntime *rt, JSContext *ctx, + JS_MarkFunc *mark_func) +{ + int i; + struct list_head *el; + + /* modules are not seen by the GC, so we directly mark the objects + referenced by each module */ + list_for_each(el, &ctx->loaded_modules) { + JSModuleDef *m = list_entry(el, JSModuleDef, link); + js_mark_module_def(rt, m, mark_func); + } + + JS_MarkValue(rt, ctx->global_obj, mark_func); + JS_MarkValue(rt, ctx->global_var_obj, mark_func); + + JS_MarkValue(rt, ctx->throw_type_error, mark_func); + JS_MarkValue(rt, ctx->eval_obj, mark_func); + + JS_MarkValue(rt, ctx->array_proto_values, mark_func); + for(i = 0; i < JS_NATIVE_ERROR_COUNT; i++) { + JS_MarkValue(rt, ctx->native_error_proto[i], mark_func); + } + for(i = 0; i < rt->class_count; i++) { + JS_MarkValue(rt, ctx->class_proto[i], mark_func); + } + JS_MarkValue(rt, ctx->iterator_proto, mark_func); + JS_MarkValue(rt, ctx->async_iterator_proto, mark_func); + JS_MarkValue(rt, ctx->promise_ctor, mark_func); + JS_MarkValue(rt, ctx->array_ctor, mark_func); + JS_MarkValue(rt, ctx->regexp_ctor, mark_func); + JS_MarkValue(rt, ctx->function_ctor, mark_func); + JS_MarkValue(rt, ctx->function_proto, mark_func); + + if (ctx->array_shape) + mark_func(rt, &ctx->array_shape->header); +} + +void JS_FreeContext(JSContext *ctx) +{ + JSRuntime *rt = ctx->rt; + int i; + + if (--ctx->header.ref_count > 0) + return; + assert(ctx->header.ref_count == 0); + +#ifdef DUMP_ATOMS + JS_DumpAtoms(ctx->rt); +#endif +#ifdef DUMP_SHAPES + JS_DumpShapes(ctx->rt); +#endif +#ifdef DUMP_OBJECTS + { + struct list_head *el; + JSGCObjectHeader *p; + printf("JSObjects: {\n"); + JS_DumpObjectHeader(ctx->rt); + list_for_each(el, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + JS_DumpGCObject(rt, p); + } + printf("}\n"); + } +#endif +#ifdef DUMP_MEM + { + JSMemoryUsage stats; + JS_ComputeMemoryUsage(rt, &stats); + JS_DumpMemoryUsage(stdout, &stats, rt); + } +#endif + + js_free_modules(ctx, JS_FREE_MODULE_ALL); + + JS_FreeValue(ctx, ctx->global_obj); + JS_FreeValue(ctx, ctx->global_var_obj); + + JS_FreeValue(ctx, ctx->throw_type_error); + JS_FreeValue(ctx, ctx->eval_obj); + + JS_FreeValue(ctx, ctx->array_proto_values); + for(i = 0; i < JS_NATIVE_ERROR_COUNT; i++) { + JS_FreeValue(ctx, ctx->native_error_proto[i]); + } + for(i = 0; i < rt->class_count; i++) { + JS_FreeValue(ctx, ctx->class_proto[i]); + } + js_free_rt(rt, ctx->class_proto); + JS_FreeValue(ctx, ctx->iterator_proto); + JS_FreeValue(ctx, ctx->async_iterator_proto); + JS_FreeValue(ctx, ctx->promise_ctor); + JS_FreeValue(ctx, ctx->array_ctor); + JS_FreeValue(ctx, ctx->regexp_ctor); + JS_FreeValue(ctx, ctx->function_ctor); + JS_FreeValue(ctx, ctx->function_proto); + + js_free_shape_null(ctx->rt, ctx->array_shape); + + list_del(&ctx->link); + remove_gc_object(&ctx->header); + js_free_rt(ctx->rt, ctx); +} + +JSRuntime *JS_GetRuntime(JSContext *ctx) +{ + return ctx->rt; +} + +void JS_SetMaxStackSize(JSRuntime *rt, size_t stack_size) +{ + rt->stack_size = stack_size; +} + +static inline BOOL is_strict_mode(JSContext *ctx) +{ + JSStackFrame *sf = ctx->rt->current_stack_frame; + return (sf && (sf->js_mode & JS_MODE_STRICT)); +} + +#ifdef CONFIG_BIGNUM +static inline BOOL is_math_mode(JSContext *ctx) +{ + JSStackFrame *sf = ctx->rt->current_stack_frame; + return (sf && (sf->js_mode & JS_MODE_MATH)); +} +#endif + +/* JSAtom support */ + +#define JS_ATOM_TAG_INT (1U << 31) +#define JS_ATOM_MAX_INT (JS_ATOM_TAG_INT - 1) +#define JS_ATOM_MAX ((1U << 30) - 1) + +/* return the max count from the hash size */ +#define JS_ATOM_COUNT_RESIZE(n) ((n) * 2) + +static inline BOOL __JS_AtomIsConst(JSAtom v) +{ +#if defined(DUMP_LEAKS) && DUMP_LEAKS > 1 + return (int32_t)v <= 0; +#else + return (int32_t)v < JS_ATOM_END; +#endif +} + +static inline BOOL __JS_AtomIsTaggedInt(JSAtom v) +{ + return (v & JS_ATOM_TAG_INT) != 0; +} + +static inline JSAtom __JS_AtomFromUInt32(uint32_t v) +{ + return v | JS_ATOM_TAG_INT; +} + +static inline uint32_t __JS_AtomToUInt32(JSAtom atom) +{ + return atom & ~JS_ATOM_TAG_INT; +} + +static inline int is_num(int c) +{ + return c >= '0' && c <= '9'; +} + +/* return TRUE if the string is a number n with 0 <= n <= 2^32-1 */ +static inline BOOL is_num_string(uint32_t *pval, const JSString *p) +{ + uint32_t n; + uint64_t n64; + int c, i, len; + + len = p->len; + if (len == 0 || len > 10) + return FALSE; + if (p->is_wide_char) + c = p->u.str16[0]; + else + c = p->u.str8[0]; + if (is_num(c)) { + if (c == '0') { + if (len != 1) + return FALSE; + n = 0; + } else { + n = c - '0'; + for(i = 1; i < len; i++) { + if (p->is_wide_char) + c = p->u.str16[i]; + else + c = p->u.str8[i]; + if (!is_num(c)) + return FALSE; + n64 = (uint64_t)n * 10 + (c - '0'); + if ((n64 >> 32) != 0) + return FALSE; + n = n64; + } + } + *pval = n; + return TRUE; + } else { + return FALSE; + } +} + +/* XXX: could use faster version ? */ +static inline uint32_t hash_string8(const uint8_t *str, size_t len, uint32_t h) +{ + size_t i; + + for(i = 0; i < len; i++) + h = h * 263 + str[i]; + return h; +} + +static inline uint32_t hash_string16(const uint16_t *str, + size_t len, uint32_t h) +{ + size_t i; + + for(i = 0; i < len; i++) + h = h * 263 + str[i]; + return h; +} + +static uint32_t hash_string(const JSString *str, uint32_t h) +{ + if (str->is_wide_char) + h = hash_string16(str->u.str16, str->len, h); + else + h = hash_string8(str->u.str8, str->len, h); + return h; +} + +static __maybe_unused void JS_DumpString(JSRuntime *rt, + const JSString *p) +{ + int i, c, sep; + + if (p == NULL) { + printf(""); + return; + } + printf("%d", p->header.ref_count); + sep = (p->header.ref_count == 1) ? '\"' : '\''; + putchar(sep); + for(i = 0; i < p->len; i++) { + if (p->is_wide_char) + c = p->u.str16[i]; + else + c = p->u.str8[i]; + if (c == sep || c == '\\') { + putchar('\\'); + putchar(c); + } else if (c >= ' ' && c <= 126) { + putchar(c); + } else if (c == '\n') { + putchar('\\'); + putchar('n'); + } else { + printf("\\u%04x", c); + } + } + putchar(sep); +} + +static __maybe_unused void JS_DumpAtoms(JSRuntime *rt) +{ + JSAtomStruct *p; + int h, i; + /* This only dumps hashed atoms, not JS_ATOM_TYPE_SYMBOL atoms */ + printf("JSAtom count=%d size=%d hash_size=%d:\n", + rt->atom_count, rt->atom_size, rt->atom_hash_size); + printf("JSAtom hash table: {\n"); + for(i = 0; i < rt->atom_hash_size; i++) { + h = rt->atom_hash[i]; + if (h) { + printf(" %d:", i); + while (h) { + p = rt->atom_array[h]; + printf(" "); + JS_DumpString(rt, p); + h = p->hash_next; + } + printf("\n"); + } + } + printf("}\n"); + printf("JSAtom table: {\n"); + for(i = 0; i < rt->atom_size; i++) { + p = rt->atom_array[i]; + if (!atom_is_free(p)) { + printf(" %d: { %d %08x ", i, p->atom_type, p->hash); + if (!(p->len == 0 && p->is_wide_char != 0)) + JS_DumpString(rt, p); + printf(" %d }\n", p->hash_next); + } + } + printf("}\n"); +} + +static int JS_ResizeAtomHash(JSRuntime *rt, int new_hash_size) +{ + JSAtomStruct *p; + uint32_t new_hash_mask, h, i, hash_next1, j, *new_hash; + + assert((new_hash_size & (new_hash_size - 1)) == 0); /* power of two */ + new_hash_mask = new_hash_size - 1; + new_hash = js_mallocz_rt(rt, sizeof(rt->atom_hash[0]) * new_hash_size); + if (!new_hash) + return -1; + for(i = 0; i < rt->atom_hash_size; i++) { + h = rt->atom_hash[i]; + while (h != 0) { + p = rt->atom_array[h]; + hash_next1 = p->hash_next; + /* add in new hash table */ + j = p->hash & new_hash_mask; + p->hash_next = new_hash[j]; + new_hash[j] = h; + h = hash_next1; + } + } + js_free_rt(rt, rt->atom_hash); + rt->atom_hash = new_hash; + rt->atom_hash_size = new_hash_size; + rt->atom_count_resize = JS_ATOM_COUNT_RESIZE(new_hash_size); + // JS_DumpAtoms(rt); + return 0; +} + +static int JS_InitAtoms(JSRuntime *rt) +{ + int i, len, atom_type; + const char *p; + + rt->atom_hash_size = 0; + rt->atom_hash = NULL; + rt->atom_count = 0; + rt->atom_size = 0; + rt->atom_free_index = 0; + if (JS_ResizeAtomHash(rt, 256)) /* there are at least 195 predefined atoms */ + return -1; + + p = js_atom_init; + for(i = 1; i < JS_ATOM_END; i++) { + if (i == JS_ATOM_Private_brand) + atom_type = JS_ATOM_TYPE_PRIVATE; + else if (i >= JS_ATOM_Symbol_toPrimitive) + atom_type = JS_ATOM_TYPE_SYMBOL; + else + atom_type = JS_ATOM_TYPE_STRING; + len = strlen(p); + if (__JS_NewAtomInit(rt, p, len, atom_type) == JS_ATOM_NULL) + return -1; + p = p + len + 1; + } + return 0; +} + +static JSAtom JS_DupAtomRT(JSRuntime *rt, JSAtom v) +{ + JSAtomStruct *p; + + if (!__JS_AtomIsConst(v)) { + p = rt->atom_array[v]; + p->header.ref_count++; + } + return v; +} + +JSAtom JS_DupAtom(JSContext *ctx, JSAtom v) +{ + JSRuntime *rt; + JSAtomStruct *p; + + if (!__JS_AtomIsConst(v)) { + rt = ctx->rt; + p = rt->atom_array[v]; + p->header.ref_count++; + } + return v; +} + +static JSAtomKindEnum JS_AtomGetKind(JSContext *ctx, JSAtom v) +{ + JSRuntime *rt; + JSAtomStruct *p; + + rt = ctx->rt; + if (__JS_AtomIsTaggedInt(v)) + return JS_ATOM_KIND_STRING; + p = rt->atom_array[v]; + switch(p->atom_type) { + case JS_ATOM_TYPE_STRING: + return JS_ATOM_KIND_STRING; + case JS_ATOM_TYPE_GLOBAL_SYMBOL: + return JS_ATOM_KIND_SYMBOL; + case JS_ATOM_TYPE_SYMBOL: + switch(p->hash) { + case JS_ATOM_HASH_SYMBOL: + return JS_ATOM_KIND_SYMBOL; + case JS_ATOM_HASH_PRIVATE: + return JS_ATOM_KIND_PRIVATE; + default: + abort(); + } + default: + abort(); + } +} + +static BOOL JS_AtomIsString(JSContext *ctx, JSAtom v) +{ + return JS_AtomGetKind(ctx, v) == JS_ATOM_KIND_STRING; +} + +static JSAtom js_get_atom_index(JSRuntime *rt, JSAtomStruct *p) +{ + uint32_t i = p->hash_next; /* atom_index */ + if (p->atom_type != JS_ATOM_TYPE_SYMBOL) { + JSAtomStruct *p1; + + i = rt->atom_hash[p->hash & (rt->atom_hash_size - 1)]; + p1 = rt->atom_array[i]; + while (p1 != p) { + assert(i != 0); + i = p1->hash_next; + p1 = rt->atom_array[i]; + } + } + return i; +} + +/* string case (internal). Return JS_ATOM_NULL if error. 'str' is + freed. */ +static JSAtom __JS_NewAtom(JSRuntime *rt, JSString *str, int atom_type) +{ + uint32_t h, h1, i; + JSAtomStruct *p; + int len; + +#if 0 + printf("__JS_NewAtom: "); JS_DumpString(rt, str); printf("\n"); +#endif + if (atom_type < JS_ATOM_TYPE_SYMBOL) { + /* str is not NULL */ + if (str->atom_type == atom_type) { + /* str is the atom, return its index */ + i = js_get_atom_index(rt, str); + /* reduce string refcount and increase atom's unless constant */ + if (__JS_AtomIsConst(i)) + str->header.ref_count--; + return i; + } + /* try and locate an already registered atom */ + len = str->len; + h = hash_string(str, atom_type); + h &= JS_ATOM_HASH_MASK; + h1 = h & (rt->atom_hash_size - 1); + i = rt->atom_hash[h1]; + while (i != 0) { + p = rt->atom_array[i]; + if (p->hash == h && + p->atom_type == atom_type && + p->len == len && + js_string_memcmp(p, str, len) == 0) { + if (!__JS_AtomIsConst(i)) + p->header.ref_count++; + goto done; + } + i = p->hash_next; + } + } else { + h1 = 0; /* avoid warning */ + if (atom_type == JS_ATOM_TYPE_SYMBOL) { + h = JS_ATOM_HASH_SYMBOL; + } else { + h = JS_ATOM_HASH_PRIVATE; + atom_type = JS_ATOM_TYPE_SYMBOL; + } + } + + if (rt->atom_free_index == 0) { + /* allow new atom entries */ + uint32_t new_size, start; + JSAtomStruct **new_array; + + /* alloc new with size progression 3/2: + 4 6 9 13 19 28 42 63 94 141 211 316 474 711 1066 1599 2398 3597 5395 8092 + preallocating space for predefined atoms (at least 195). + */ + new_size = max_int(211, rt->atom_size * 3 / 2); + if (new_size > JS_ATOM_MAX) + goto fail; + /* XXX: should use realloc2 to use slack space */ + new_array = js_realloc_rt(rt, rt->atom_array, sizeof(*new_array) * new_size); + if (!new_array) + goto fail; + /* Note: the atom 0 is not used */ + start = rt->atom_size; + if (start == 0) { + /* JS_ATOM_NULL entry */ + p = js_mallocz_rt(rt, sizeof(JSAtomStruct)); + if (!p) { + js_free_rt(rt, new_array); + goto fail; + } + p->header.ref_count = 1; /* not refcounted */ + p->atom_type = JS_ATOM_TYPE_SYMBOL; +#ifdef DUMP_LEAKS + list_add_tail(&p->link, &rt->string_list); +#endif + new_array[0] = p; + rt->atom_count++; + start = 1; + } + rt->atom_size = new_size; + rt->atom_array = new_array; + rt->atom_free_index = start; + for(i = start; i < new_size; i++) { + uint32_t next; + if (i == (new_size - 1)) + next = 0; + else + next = i + 1; + rt->atom_array[i] = atom_set_free(next); + } + } + + if (str) { + if (str->atom_type == 0) { + p = str; + p->atom_type = atom_type; + } else { + p = js_malloc_rt(rt, sizeof(JSString) + + (str->len << str->is_wide_char) + + 1 - str->is_wide_char); + if (unlikely(!p)) + goto fail; + p->header.ref_count = 1; + p->is_wide_char = str->is_wide_char; + p->len = str->len; +#ifdef DUMP_LEAKS + list_add_tail(&p->link, &rt->string_list); +#endif + memcpy(p->u.str8, str->u.str8, (str->len << str->is_wide_char) + + 1 - str->is_wide_char); + js_free_string(rt, str); + } + } else { + p = js_malloc_rt(rt, sizeof(JSAtomStruct)); /* empty wide string */ + if (!p) + return JS_ATOM_NULL; + p->header.ref_count = 1; + p->is_wide_char = 1; /* Hack to represent NULL as a JSString */ + p->len = 0; +#ifdef DUMP_LEAKS + list_add_tail(&p->link, &rt->string_list); +#endif + } + + /* use an already free entry */ + i = rt->atom_free_index; + rt->atom_free_index = atom_get_free(rt->atom_array[i]); + rt->atom_array[i] = p; + + p->hash = h; + p->hash_next = i; /* atom_index */ + p->atom_type = atom_type; + + rt->atom_count++; + + if (atom_type != JS_ATOM_TYPE_SYMBOL) { + p->hash_next = rt->atom_hash[h1]; + rt->atom_hash[h1] = i; + if (unlikely(rt->atom_count >= rt->atom_count_resize)) + JS_ResizeAtomHash(rt, rt->atom_hash_size * 2); + } + + // JS_DumpAtoms(rt); + return i; + + fail: + i = JS_ATOM_NULL; + done: + if (str) + js_free_string(rt, str); + return i; +} + +/* only works with zero terminated 8 bit strings */ +static JSAtom __JS_NewAtomInit(JSRuntime *rt, const char *str, int len, + int atom_type) +{ + JSString *p; + p = js_alloc_string_rt(rt, len, 0); + if (!p) + return JS_ATOM_NULL; + memcpy(p->u.str8, str, len); + p->u.str8[len] = '\0'; + return __JS_NewAtom(rt, p, atom_type); +} + +static JSAtom __JS_FindAtom(JSRuntime *rt, const char *str, size_t len, + int atom_type) +{ + uint32_t h, h1, i; + JSAtomStruct *p; + + h = hash_string8((const uint8_t *)str, len, JS_ATOM_TYPE_STRING); + h &= JS_ATOM_HASH_MASK; + h1 = h & (rt->atom_hash_size - 1); + i = rt->atom_hash[h1]; + while (i != 0) { + p = rt->atom_array[i]; + if (p->hash == h && + p->atom_type == JS_ATOM_TYPE_STRING && + p->len == len && + p->is_wide_char == 0 && + memcmp(p->u.str8, str, len) == 0) { + if (!__JS_AtomIsConst(i)) + p->header.ref_count++; + return i; + } + i = p->hash_next; + } + return JS_ATOM_NULL; +} + +static void JS_FreeAtomStruct(JSRuntime *rt, JSAtomStruct *p) +{ +#if 0 /* JS_ATOM_NULL is not refcounted: __JS_AtomIsConst() includes 0 */ + if (unlikely(i == JS_ATOM_NULL)) { + p->header.ref_count = INT32_MAX / 2; + return; + } +#endif + uint32_t i = p->hash_next; /* atom_index */ + if (p->atom_type != JS_ATOM_TYPE_SYMBOL) { + JSAtomStruct *p0, *p1; + uint32_t h0; + + h0 = p->hash & (rt->atom_hash_size - 1); + i = rt->atom_hash[h0]; + p1 = rt->atom_array[i]; + if (p1 == p) { + rt->atom_hash[h0] = p1->hash_next; + } else { + for(;;) { + assert(i != 0); + p0 = p1; + i = p1->hash_next; + p1 = rt->atom_array[i]; + if (p1 == p) { + p0->hash_next = p1->hash_next; + break; + } + } + } + } + /* insert in free atom list */ + rt->atom_array[i] = atom_set_free(rt->atom_free_index); + rt->atom_free_index = i; + /* free the string structure */ +#ifdef DUMP_LEAKS + list_del(&p->link); +#endif + js_free_rt(rt, p); + rt->atom_count--; + assert(rt->atom_count >= 0); +} + +static void __JS_FreeAtom(JSRuntime *rt, uint32_t i) +{ + JSAtomStruct *p; + + p = rt->atom_array[i]; + if (--p->header.ref_count > 0) + return; + JS_FreeAtomStruct(rt, p); +} + +/* Warning: 'p' is freed */ +static JSAtom JS_NewAtomStr(JSContext *ctx, JSString *p) +{ + JSRuntime *rt = ctx->rt; + uint32_t n; + if (is_num_string(&n, p)) { + if (n <= JS_ATOM_MAX_INT) { + js_free_string(rt, p); + return __JS_AtomFromUInt32(n); + } + } + /* XXX: should generate an exception */ + return __JS_NewAtom(rt, p, JS_ATOM_TYPE_STRING); +} + +JSAtom JS_NewAtomLen(JSContext *ctx, const char *str, size_t len) +{ + JSValue val; + + if (len == 0 || !is_digit(*str)) { + JSAtom atom = __JS_FindAtom(ctx->rt, str, len, JS_ATOM_TYPE_STRING); + if (atom) + return atom; + } + val = JS_NewStringLen(ctx, str, len); + if (JS_IsException(val)) + return JS_ATOM_NULL; + return JS_NewAtomStr(ctx, JS_VALUE_GET_STRING(val)); +} + +JSAtom JS_NewAtom(JSContext *ctx, const char *str) +{ + return JS_NewAtomLen(ctx, str, strlen(str)); +} + +JSAtom JS_NewAtomUInt32(JSContext *ctx, uint32_t n) +{ + if (n <= JS_ATOM_MAX_INT) { + return __JS_AtomFromUInt32(n); + } else { + char buf[11]; + JSValue val; + snprintf(buf, sizeof(buf), "%u", n); + val = JS_NewString(ctx, buf); + if (JS_IsException(val)) + return JS_ATOM_NULL; + return __JS_NewAtom(ctx->rt, JS_VALUE_GET_STRING(val), + JS_ATOM_TYPE_STRING); + } +} + +static JSAtom JS_NewAtomInt64(JSContext *ctx, int64_t n) +{ + if ((uint64_t)n <= JS_ATOM_MAX_INT) { + return __JS_AtomFromUInt32((uint32_t)n); + } else { + char buf[24]; + JSValue val; + snprintf(buf, sizeof(buf), "%" PRId64 , n); + val = JS_NewString(ctx, buf); + if (JS_IsException(val)) + return JS_ATOM_NULL; + return __JS_NewAtom(ctx->rt, JS_VALUE_GET_STRING(val), + JS_ATOM_TYPE_STRING); + } +} + +/* 'p' is freed */ +static JSValue JS_NewSymbol(JSContext *ctx, JSString *p, int atom_type) +{ + JSRuntime *rt = ctx->rt; + JSAtom atom; + atom = __JS_NewAtom(rt, p, atom_type); + if (atom == JS_ATOM_NULL) + return JS_ThrowOutOfMemory(ctx); + return JS_MKPTR(JS_TAG_SYMBOL, rt->atom_array[atom]); +} + +/* descr must be a non-numeric string atom */ +static JSValue JS_NewSymbolFromAtom(JSContext *ctx, JSAtom descr, + int atom_type) +{ + JSRuntime *rt = ctx->rt; + JSString *p; + + assert(!__JS_AtomIsTaggedInt(descr)); + assert(descr < rt->atom_size); + p = rt->atom_array[descr]; + JS_DupValue(ctx, JS_MKPTR(JS_TAG_STRING, p)); + return JS_NewSymbol(ctx, p, atom_type); +} + +#define ATOM_GET_STR_BUF_SIZE 64 + +/* Should only be used for debug. */ +static const char *JS_AtomGetStrRT(JSRuntime *rt, char *buf, int buf_size, + JSAtom atom) +{ + if (__JS_AtomIsTaggedInt(atom)) { + snprintf(buf, buf_size, "%u", __JS_AtomToUInt32(atom)); + } else { + JSAtomStruct *p; + assert(atom < rt->atom_size); + if (atom == JS_ATOM_NULL) { + snprintf(buf, buf_size, ""); + } else { + int i, c; + char *q; + JSString *str; + + q = buf; + p = rt->atom_array[atom]; + assert(!atom_is_free(p)); + str = p; + if (str) { + if (!str->is_wide_char) { + /* special case ASCII strings */ + c = 0; + for(i = 0; i < str->len; i++) { + c |= str->u.str8[i]; + } + if (c < 0x80) + return (const char *)str->u.str8; + } + for(i = 0; i < str->len; i++) { + if (str->is_wide_char) + c = str->u.str16[i]; + else + c = str->u.str8[i]; + if ((q - buf) >= buf_size - UTF8_CHAR_LEN_MAX) + break; + if (c < 128) { + *q++ = c; + } else { + q += unicode_to_utf8((uint8_t *)q, c); + } + } + } + *q = '\0'; + } + } + return buf; +} + +static const char *JS_AtomGetStr(JSContext *ctx, char *buf, int buf_size, JSAtom atom) +{ + return JS_AtomGetStrRT(ctx->rt, buf, buf_size, atom); +} + +static JSValue __JS_AtomToValue(JSContext *ctx, JSAtom atom, BOOL force_string) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + + if (__JS_AtomIsTaggedInt(atom)) { + snprintf(buf, sizeof(buf), "%u", __JS_AtomToUInt32(atom)); + return JS_NewString(ctx, buf); + } else { + JSRuntime *rt = ctx->rt; + JSAtomStruct *p; + assert(atom < rt->atom_size); + p = rt->atom_array[atom]; + if (p->atom_type == JS_ATOM_TYPE_STRING) { + goto ret_string; + } else if (force_string) { + if (p->len == 0 && p->is_wide_char != 0) { + /* no description string */ + p = rt->atom_array[JS_ATOM_empty_string]; + } + ret_string: + return JS_DupValue(ctx, JS_MKPTR(JS_TAG_STRING, p)); + } else { + return JS_DupValue(ctx, JS_MKPTR(JS_TAG_SYMBOL, p)); + } + } +} + +JSValue JS_AtomToValue(JSContext *ctx, JSAtom atom) +{ + return __JS_AtomToValue(ctx, atom, FALSE); +} + +JSValue JS_AtomToString(JSContext *ctx, JSAtom atom) +{ + return __JS_AtomToValue(ctx, atom, TRUE); +} + +/* return TRUE if the atom is an array index (i.e. 0 <= index <= + 2^32-2 and return its value */ +static BOOL JS_AtomIsArrayIndex(JSContext *ctx, uint32_t *pval, JSAtom atom) +{ + if (__JS_AtomIsTaggedInt(atom)) { + *pval = __JS_AtomToUInt32(atom); + return TRUE; + } else { + JSRuntime *rt = ctx->rt; + JSAtomStruct *p; + uint32_t val; + + assert(atom < rt->atom_size); + p = rt->atom_array[atom]; + if (p->atom_type == JS_ATOM_TYPE_STRING && + is_num_string(&val, p) && val != -1) { + *pval = val; + return TRUE; + } else { + *pval = 0; + return FALSE; + } + } +} + +/* This test must be fast if atom is not a numeric index (e.g. a + method name). Return JS_UNDEFINED if not a numeric + index. JS_EXCEPTION can also be returned. */ +static JSValue JS_AtomIsNumericIndex1(JSContext *ctx, JSAtom atom) +{ + JSRuntime *rt = ctx->rt; + JSAtomStruct *p1; + JSString *p; + int c, len, ret; + JSValue num, str; + + if (__JS_AtomIsTaggedInt(atom)) + return JS_NewInt32(ctx, __JS_AtomToUInt32(atom)); + assert(atom < rt->atom_size); + p1 = rt->atom_array[atom]; + if (p1->atom_type != JS_ATOM_TYPE_STRING) + return JS_UNDEFINED; + p = p1; + len = p->len; + if (p->is_wide_char) { + const uint16_t *r = p->u.str16, *r_end = p->u.str16 + len; + if (r >= r_end) + return JS_UNDEFINED; + c = *r; + if (c == '-') { + if (r >= r_end) + return JS_UNDEFINED; + r++; + c = *r; + /* -0 case is specific */ + if (c == '0' && len == 2) + goto minus_zero; + } + /* XXX: should test NaN, but the tests do not check it */ + if (!is_num(c)) { + /* XXX: String should be normalized, therefore 8-bit only */ + const uint16_t nfinity16[7] = { 'n', 'f', 'i', 'n', 'i', 't', 'y' }; + if (!(c =='I' && (r_end - r) == 8 && + !memcmp(r + 1, nfinity16, sizeof(nfinity16)))) + return JS_UNDEFINED; + } + } else { + const uint8_t *r = p->u.str8, *r_end = p->u.str8 + len; + if (r >= r_end) + return JS_UNDEFINED; + c = *r; + if (c == '-') { + if (r >= r_end) + return JS_UNDEFINED; + r++; + c = *r; + /* -0 case is specific */ + if (c == '0' && len == 2) { + minus_zero: + return __JS_NewFloat64(ctx, -0.0); + } + } + if (!is_num(c)) { + if (!(c =='I' && (r_end - r) == 8 && + !memcmp(r + 1, "nfinity", 7))) + return JS_UNDEFINED; + } + } + /* XXX: bignum: would be better to only accept integer to avoid + relying on current floating point precision */ + /* this is ECMA CanonicalNumericIndexString primitive */ + num = JS_ToNumber(ctx, JS_MKPTR(JS_TAG_STRING, p)); + if (JS_IsException(num)) + return num; + str = JS_ToString(ctx, num); + if (JS_IsException(str)) { + JS_FreeValue(ctx, num); + return str; + } + ret = js_string_compare(ctx, p, JS_VALUE_GET_STRING(str)); + JS_FreeValue(ctx, str); + if (ret == 0) { + return num; + } else { + JS_FreeValue(ctx, num); + return JS_UNDEFINED; + } +} + +/* return -1 if exception or TRUE/FALSE */ +static int JS_AtomIsNumericIndex(JSContext *ctx, JSAtom atom) +{ + JSValue num; + num = JS_AtomIsNumericIndex1(ctx, atom); + if (likely(JS_IsUndefined(num))) + return FALSE; + if (JS_IsException(num)) + return -1; + JS_FreeValue(ctx, num); + return TRUE; +} + +void JS_FreeAtom(JSContext *ctx, JSAtom v) +{ + if (!__JS_AtomIsConst(v)) + __JS_FreeAtom(ctx->rt, v); +} + +void JS_FreeAtomRT(JSRuntime *rt, JSAtom v) +{ + if (!__JS_AtomIsConst(v)) + __JS_FreeAtom(rt, v); +} + +/* return TRUE if 'v' is a symbol with a string description */ +static BOOL JS_AtomSymbolHasDescription(JSContext *ctx, JSAtom v) +{ + JSRuntime *rt; + JSAtomStruct *p; + + rt = ctx->rt; + if (__JS_AtomIsTaggedInt(v)) + return FALSE; + p = rt->atom_array[v]; + return (((p->atom_type == JS_ATOM_TYPE_SYMBOL && + p->hash == JS_ATOM_HASH_SYMBOL) || + p->atom_type == JS_ATOM_TYPE_GLOBAL_SYMBOL) && + !(p->len == 0 && p->is_wide_char != 0)); +} + +static __maybe_unused void print_atom(JSContext *ctx, JSAtom atom) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + const char *p; + int i; + + /* XXX: should handle embedded null characters */ + /* XXX: should move encoding code to JS_AtomGetStr */ + p = JS_AtomGetStr(ctx, buf, sizeof(buf), atom); + for (i = 0; p[i]; i++) { + int c = (unsigned char)p[i]; + if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || + (c == '_' || c == '$') || (c >= '0' && c <= '9' && i > 0))) + break; + } + if (i > 0 && p[i] == '\0') { + printf("%s", p); + } else { + putchar('"'); + printf("%.*s", i, p); + for (; p[i]; i++) { + int c = (unsigned char)p[i]; + if (c == '\"' || c == '\\') { + putchar('\\'); + putchar(c); + } else if (c >= ' ' && c <= 126) { + putchar(c); + } else if (c == '\n') { + putchar('\\'); + putchar('n'); + } else { + printf("\\u%04x", c); + } + } + putchar('\"'); + } +} + +/* free with JS_FreeCString() */ +const char *JS_AtomToCString(JSContext *ctx, JSAtom atom) +{ + JSValue str; + const char *cstr; + + str = JS_AtomToString(ctx, atom); + if (JS_IsException(str)) + return NULL; + cstr = JS_ToCString(ctx, str); + JS_FreeValue(ctx, str); + return cstr; +} + +/* return a string atom containing name concatenated with str1 */ +static JSAtom js_atom_concat_str(JSContext *ctx, JSAtom name, const char *str1) +{ + JSValue str; + JSAtom atom; + const char *cstr; + char *cstr2; + size_t len, len1; + + str = JS_AtomToString(ctx, name); + if (JS_IsException(str)) + return JS_ATOM_NULL; + cstr = JS_ToCStringLen(ctx, &len, str); + if (!cstr) + goto fail; + len1 = strlen(str1); + cstr2 = js_malloc(ctx, len + len1 + 1); + if (!cstr2) + goto fail; + memcpy(cstr2, cstr, len); + memcpy(cstr2 + len, str1, len1); + cstr2[len + len1] = '\0'; + atom = JS_NewAtomLen(ctx, cstr2, len + len1); + js_free(ctx, cstr2); + JS_FreeCString(ctx, cstr); + JS_FreeValue(ctx, str); + return atom; + fail: + JS_FreeCString(ctx, cstr); + JS_FreeValue(ctx, str); + return JS_ATOM_NULL; +} + +static JSAtom js_atom_concat_num(JSContext *ctx, JSAtom name, uint32_t n) +{ + char buf[16]; + snprintf(buf, sizeof(buf), "%u", n); + return js_atom_concat_str(ctx, name, buf); +} + +static inline BOOL JS_IsEmptyString(JSValueConst v) +{ + return JS_VALUE_GET_TAG(v) == JS_TAG_STRING && JS_VALUE_GET_STRING(v)->len == 0; +} + +/* JSClass support */ + +/* a new class ID is allocated if *pclass_id != 0 */ +JSClassID JS_NewClassID(JSClassID *pclass_id) +{ + JSClassID class_id; + /* XXX: make it thread safe */ + class_id = *pclass_id; + if (class_id == 0) { + class_id = js_class_id_alloc++; + *pclass_id = class_id; + } + return class_id; +} + +BOOL JS_IsRegisteredClass(JSRuntime *rt, JSClassID class_id) +{ + return (class_id < rt->class_count && + rt->class_array[class_id].class_id != 0); +} + +/* create a new object internal class. Return -1 if error, 0 if + OK. The finalizer can be NULL if none is needed. */ +static int JS_NewClass1(JSRuntime *rt, JSClassID class_id, + const JSClassDef *class_def, JSAtom name) +{ + int new_size, i; + JSClass *cl, *new_class_array; + struct list_head *el; + + if (class_id < rt->class_count && + rt->class_array[class_id].class_id != 0) + return -1; + + if (class_id >= rt->class_count) { + new_size = max_int(JS_CLASS_INIT_COUNT, + max_int(class_id + 1, rt->class_count * 3 / 2)); + + /* reallocate the context class prototype array, if any */ + list_for_each(el, &rt->context_list) { + JSContext *ctx = list_entry(el, JSContext, link); + JSValue *new_tab; + new_tab = js_realloc_rt(rt, ctx->class_proto, + sizeof(ctx->class_proto[0]) * new_size); + if (!new_tab) + return -1; + for(i = rt->class_count; i < new_size; i++) + new_tab[i] = JS_NULL; + ctx->class_proto = new_tab; + } + /* reallocate the class array */ + new_class_array = js_realloc_rt(rt, rt->class_array, + sizeof(JSClass) * new_size); + if (!new_class_array) + return -1; + memset(new_class_array + rt->class_count, 0, + (new_size - rt->class_count) * sizeof(JSClass)); + rt->class_array = new_class_array; + rt->class_count = new_size; + } + cl = &rt->class_array[class_id]; + cl->class_id = class_id; + cl->class_name = JS_DupAtomRT(rt, name); + cl->finalizer = class_def->finalizer; + cl->gc_mark = class_def->gc_mark; + cl->call = class_def->call; + cl->exotic = class_def->exotic; + return 0; +} + +int JS_NewClass(JSRuntime *rt, JSClassID class_id, const JSClassDef *class_def) +{ + int ret, len; + JSAtom name; + + len = strlen(class_def->class_name); + name = __JS_FindAtom(rt, class_def->class_name, len, JS_ATOM_TYPE_STRING); + if (name == JS_ATOM_NULL) { + name = __JS_NewAtomInit(rt, class_def->class_name, len, JS_ATOM_TYPE_STRING); + if (name == JS_ATOM_NULL) + return -1; + } + ret = JS_NewClass1(rt, class_id, class_def, name); + JS_FreeAtomRT(rt, name); + return ret; +} + +static JSValue js_new_string8(JSContext *ctx, const uint8_t *buf, int len) +{ + JSString *str; + + if (len <= 0) { + return JS_AtomToString(ctx, JS_ATOM_empty_string); + } + str = js_alloc_string(ctx, len, 0); + if (!str) + return JS_EXCEPTION; + memcpy(str->u.str8, buf, len); + str->u.str8[len] = '\0'; + return JS_MKPTR(JS_TAG_STRING, str); +} + +static JSValue js_new_string16(JSContext *ctx, const uint16_t *buf, int len) +{ + JSString *str; + str = js_alloc_string(ctx, len, 1); + if (!str) + return JS_EXCEPTION; + memcpy(str->u.str16, buf, len * 2); + return JS_MKPTR(JS_TAG_STRING, str); +} + +static JSValue js_new_string_char(JSContext *ctx, uint16_t c) +{ + if (c < 0x100) { + uint8_t ch8 = c; + return js_new_string8(ctx, &ch8, 1); + } else { + uint16_t ch16 = c; + return js_new_string16(ctx, &ch16, 1); + } +} + +static JSValue js_sub_string(JSContext *ctx, JSString *p, int start, int end) +{ + int len = end - start; + if (start == 0 && end == p->len) { + return JS_DupValue(ctx, JS_MKPTR(JS_TAG_STRING, p)); + } + if (p->is_wide_char && len > 0) { + JSString *str; + int i; + uint16_t c = 0; + for (i = start; i < end; i++) { + c |= p->u.str16[i]; + } + if (c > 0xFF) + return js_new_string16(ctx, p->u.str16 + start, len); + + str = js_alloc_string(ctx, len, 0); + if (!str) + return JS_EXCEPTION; + for (i = 0; i < len; i++) { + str->u.str8[i] = p->u.str16[start + i]; + } + str->u.str8[len] = '\0'; + return JS_MKPTR(JS_TAG_STRING, str); + } else { + return js_new_string8(ctx, p->u.str8 + start, len); + } +} + +typedef struct StringBuffer { + JSContext *ctx; + JSString *str; + int len; + int size; + int is_wide_char; + int error_status; +} StringBuffer; + +/* It is valid to call string_buffer_end() and all string_buffer functions even + if string_buffer_init() or another string_buffer function returns an error. + If the error_status is set, string_buffer_end() returns JS_EXCEPTION. + */ +static int string_buffer_init2(JSContext *ctx, StringBuffer *s, int size, + int is_wide) +{ + s->ctx = ctx; + s->size = size; + s->len = 0; + s->is_wide_char = is_wide; + s->error_status = 0; + s->str = js_alloc_string(ctx, size, is_wide); + if (unlikely(!s->str)) { + s->size = 0; + return s->error_status = -1; + } +#ifdef DUMP_LEAKS + /* the StringBuffer may reallocate the JSString, only link it at the end */ + list_del(&s->str->link); +#endif + return 0; +} + +static inline int string_buffer_init(JSContext *ctx, StringBuffer *s, int size) +{ + return string_buffer_init2(ctx, s, size, 0); +} + +static void string_buffer_free(StringBuffer *s) +{ + js_free(s->ctx, s->str); + s->str = NULL; +} + +static int string_buffer_set_error(StringBuffer *s) +{ + js_free(s->ctx, s->str); + s->str = NULL; + s->size = 0; + s->len = 0; + return s->error_status = -1; +} + +static no_inline int string_buffer_widen(StringBuffer *s, int size) +{ + JSString *str; + size_t slack; + int i; + + if (s->error_status) + return -1; + + str = js_realloc2(s->ctx, s->str, sizeof(JSString) + (size << 1), &slack); + if (!str) + return string_buffer_set_error(s); + size += slack >> 1; + for(i = s->len; i-- > 0;) { + str->u.str16[i] = str->u.str8[i]; + } + s->is_wide_char = 1; + s->size = size; + s->str = str; + return 0; +} + +static no_inline int string_buffer_realloc(StringBuffer *s, int new_len, int c) +{ + JSString *new_str; + int new_size; + size_t new_size_bytes, slack; + + if (s->error_status) + return -1; + + if (new_len > JS_STRING_LEN_MAX) { + JS_ThrowInternalError(s->ctx, "string too long"); + return string_buffer_set_error(s); + } + new_size = min_int(max_int(new_len, s->size * 3 / 2), JS_STRING_LEN_MAX); + if (!s->is_wide_char && c >= 0x100) { + return string_buffer_widen(s, new_size); + } + new_size_bytes = sizeof(JSString) + (new_size << s->is_wide_char) + 1 - s->is_wide_char; + new_str = js_realloc2(s->ctx, s->str, new_size_bytes, &slack); + if (!new_str) + return string_buffer_set_error(s); + new_size = min_int(new_size + (slack >> s->is_wide_char), JS_STRING_LEN_MAX); + s->size = new_size; + s->str = new_str; + return 0; +} + +static no_inline int string_buffer_putc_slow(StringBuffer *s, uint32_t c) +{ + if (unlikely(s->len >= s->size)) { + if (string_buffer_realloc(s, s->len + 1, c)) + return -1; + } + if (s->is_wide_char) { + s->str->u.str16[s->len++] = c; + } else if (c < 0x100) { + s->str->u.str8[s->len++] = c; + } else { + if (string_buffer_widen(s, s->size)) + return -1; + s->str->u.str16[s->len++] = c; + } + return 0; +} + +/* 0 <= c <= 0xff */ +static int string_buffer_putc8(StringBuffer *s, uint32_t c) +{ + if (unlikely(s->len >= s->size)) { + if (string_buffer_realloc(s, s->len + 1, c)) + return -1; + } + if (s->is_wide_char) { + s->str->u.str16[s->len++] = c; + } else { + s->str->u.str8[s->len++] = c; + } + return 0; +} + +/* 0 <= c <= 0xffff */ +static int string_buffer_putc16(StringBuffer *s, uint32_t c) +{ + if (likely(s->len < s->size)) { + if (s->is_wide_char) { + s->str->u.str16[s->len++] = c; + return 0; + } else if (c < 0x100) { + s->str->u.str8[s->len++] = c; + return 0; + } + } + return string_buffer_putc_slow(s, c); +} + +/* 0 <= c <= 0x10ffff */ +static int string_buffer_putc(StringBuffer *s, uint32_t c) +{ + if (unlikely(c >= 0x10000)) { + /* surrogate pair */ + c -= 0x10000; + if (string_buffer_putc16(s, (c >> 10) + 0xd800)) + return -1; + c = (c & 0x3ff) + 0xdc00; + } + return string_buffer_putc16(s, c); +} + +static int string_get(const JSString *p, int idx) { + return p->is_wide_char ? p->u.str16[idx] : p->u.str8[idx]; +} + +static int string_getc(const JSString *p, int *pidx) +{ + int idx, c, c1; + idx = *pidx; + if (p->is_wide_char) { + c = p->u.str16[idx++]; + if (c >= 0xd800 && c < 0xdc00 && idx < p->len) { + c1 = p->u.str16[idx]; + if (c1 >= 0xdc00 && c1 < 0xe000) { + c = (((c & 0x3ff) << 10) | (c1 & 0x3ff)) + 0x10000; + idx++; + } + } + } else { + c = p->u.str8[idx++]; + } + *pidx = idx; + return c; +} + +static int string_buffer_write8(StringBuffer *s, const uint8_t *p, int len) +{ + int i; + + if (s->len + len > s->size) { + if (string_buffer_realloc(s, s->len + len, 0)) + return -1; + } + if (s->is_wide_char) { + for (i = 0; i < len; i++) { + s->str->u.str16[s->len + i] = p[i]; + } + s->len += len; + } else { + memcpy(&s->str->u.str8[s->len], p, len); + s->len += len; + } + return 0; +} + +static int string_buffer_write16(StringBuffer *s, const uint16_t *p, int len) +{ + int c = 0, i; + + for (i = 0; i < len; i++) { + c |= p[i]; + } + if (s->len + len > s->size) { + if (string_buffer_realloc(s, s->len + len, c)) + return -1; + } else if (!s->is_wide_char && c >= 0x100) { + if (string_buffer_widen(s, s->size)) + return -1; + } + if (s->is_wide_char) { + memcpy(&s->str->u.str16[s->len], p, len << 1); + s->len += len; + } else { + for (i = 0; i < len; i++) { + s->str->u.str8[s->len + i] = p[i]; + } + s->len += len; + } + return 0; +} + +/* appending an ASCII string */ +static int string_buffer_puts8(StringBuffer *s, const char *str) +{ + return string_buffer_write8(s, (const uint8_t *)str, strlen(str)); +} + +static int string_buffer_concat(StringBuffer *s, const JSString *p, + uint32_t from, uint32_t to) +{ + if (to <= from) + return 0; + if (p->is_wide_char) + return string_buffer_write16(s, p->u.str16 + from, to - from); + else + return string_buffer_write8(s, p->u.str8 + from, to - from); +} + +static int string_buffer_concat_value(StringBuffer *s, JSValueConst v) +{ + JSString *p; + JSValue v1; + int res; + + if (s->error_status) { + /* prevent exception overload */ + return -1; + } + if (unlikely(JS_VALUE_GET_TAG(v) != JS_TAG_STRING)) { + v1 = JS_ToString(s->ctx, v); + if (JS_IsException(v1)) + return string_buffer_set_error(s); + p = JS_VALUE_GET_STRING(v1); + res = string_buffer_concat(s, p, 0, p->len); + JS_FreeValue(s->ctx, v1); + return res; + } + p = JS_VALUE_GET_STRING(v); + return string_buffer_concat(s, p, 0, p->len); +} + +static int string_buffer_concat_value_free(StringBuffer *s, JSValue v) +{ + JSString *p; + int res; + + if (s->error_status) { + /* prevent exception overload */ + JS_FreeValue(s->ctx, v); + return -1; + } + if (unlikely(JS_VALUE_GET_TAG(v) != JS_TAG_STRING)) { + v = JS_ToStringFree(s->ctx, v); + if (JS_IsException(v)) + return string_buffer_set_error(s); + } + p = JS_VALUE_GET_STRING(v); + res = string_buffer_concat(s, p, 0, p->len); + JS_FreeValue(s->ctx, v); + return res; +} + +static int string_buffer_fill(StringBuffer *s, int c, int count) +{ + /* XXX: optimize */ + if (s->len + count > s->size) { + if (string_buffer_realloc(s, s->len + count, c)) + return -1; + } + while (count-- > 0) { + if (string_buffer_putc16(s, c)) + return -1; + } + return 0; +} + +static JSValue string_buffer_end(StringBuffer *s) +{ + JSString *str; + str = s->str; + if (s->error_status) + return JS_EXCEPTION; + if (s->len == 0) { + js_free(s->ctx, str); + s->str = NULL; + return JS_AtomToString(s->ctx, JS_ATOM_empty_string); + } + if (s->len < s->size) { + /* smaller size so js_realloc should not fail, but OK if it does */ + /* XXX: should add some slack to avoid unnecessary calls */ + /* XXX: might need to use malloc+free to ensure smaller size */ + str = js_realloc_rt(s->ctx->rt, str, sizeof(JSString) + + (s->len << s->is_wide_char) + 1 - s->is_wide_char); + if (str == NULL) + str = s->str; + s->str = str; + } + if (!s->is_wide_char) + str->u.str8[s->len] = 0; +#ifdef DUMP_LEAKS + list_add_tail(&str->link, &s->ctx->rt->string_list); +#endif + str->is_wide_char = s->is_wide_char; + str->len = s->len; + s->str = NULL; + return JS_MKPTR(JS_TAG_STRING, str); +} + +/* create a string from a UTF-8 buffer */ +JSValue JS_NewStringLen(JSContext *ctx, const char *buf, size_t buf_len) +{ + const uint8_t *p, *p_end, *p_start, *p_next; + uint32_t c; + StringBuffer b_s, *b = &b_s; + size_t len1; + + p_start = (const uint8_t *)buf; + p_end = p_start + buf_len; + p = p_start; + while (p < p_end && *p < 128) + p++; + len1 = p - p_start; + if (len1 > JS_STRING_LEN_MAX) + return JS_ThrowInternalError(ctx, "string too long"); + if (p == p_end) { + /* ASCII string */ + return js_new_string8(ctx, (const uint8_t *)buf, buf_len); + } else { + if (string_buffer_init(ctx, b, buf_len)) + goto fail; + string_buffer_write8(b, p_start, len1); + while (p < p_end) { + if (*p < 128) { + string_buffer_putc8(b, *p++); + } else { + /* parse utf-8 sequence, return 0xFFFFFFFF for error */ + c = unicode_from_utf8(p, p_end - p, &p_next); + if (c < 0x10000) { + p = p_next; + } else if (c <= 0x10FFFF) { + p = p_next; + /* surrogate pair */ + c -= 0x10000; + string_buffer_putc16(b, (c >> 10) + 0xd800); + c = (c & 0x3ff) + 0xdc00; + } else { + /* invalid char */ + c = 0xfffd; + /* skip the invalid chars */ + /* XXX: seems incorrect. Why not just use c = *p++; ? */ + while (p < p_end && (*p >= 0x80 && *p < 0xc0)) + p++; + if (p < p_end) { + p++; + while (p < p_end && (*p >= 0x80 && *p < 0xc0)) + p++; + } + } + string_buffer_putc16(b, c); + } + } + } + return string_buffer_end(b); + + fail: + string_buffer_free(b); + return JS_EXCEPTION; +} + +static JSValue JS_ConcatString3(JSContext *ctx, const char *str1, + JSValue str2, const char *str3) +{ + StringBuffer b_s, *b = &b_s; + int len1, len3; + JSString *p; + + if (unlikely(JS_VALUE_GET_TAG(str2) != JS_TAG_STRING)) { + str2 = JS_ToStringFree(ctx, str2); + if (JS_IsException(str2)) + goto fail; + } + p = JS_VALUE_GET_STRING(str2); + len1 = strlen(str1); + len3 = strlen(str3); + + if (string_buffer_init2(ctx, b, len1 + p->len + len3, p->is_wide_char)) + goto fail; + + string_buffer_write8(b, (const uint8_t *)str1, len1); + string_buffer_concat(b, p, 0, p->len); + string_buffer_write8(b, (const uint8_t *)str3, len3); + + JS_FreeValue(ctx, str2); + return string_buffer_end(b); + + fail: + JS_FreeValue(ctx, str2); + return JS_EXCEPTION; +} + +JSValue JS_NewString(JSContext *ctx, const char *str) +{ + return JS_NewStringLen(ctx, str, strlen(str)); +} + +JSValue JS_NewAtomString(JSContext *ctx, const char *str) +{ + JSAtom atom = JS_NewAtom(ctx, str); + if (atom == JS_ATOM_NULL) + return JS_EXCEPTION; + JSValue val = JS_AtomToString(ctx, atom); + JS_FreeAtom(ctx, atom); + return val; +} + +/* return (NULL, 0) if exception. */ +/* return pointer into a JSString with a live ref_count */ +/* cesu8 determines if non-BMP1 codepoints are encoded as 1 or 2 utf-8 sequences */ +const char *JS_ToCStringLen2(JSContext *ctx, size_t *plen, JSValueConst val1, BOOL cesu8) +{ + JSValue val; + JSString *str, *str_new; + int pos, len, c, c1; + uint8_t *q; + + if (JS_VALUE_GET_TAG(val1) != JS_TAG_STRING) { + val = JS_ToString(ctx, val1); + if (JS_IsException(val)) + goto fail; + } else { + val = JS_DupValue(ctx, val1); + } + + str = JS_VALUE_GET_STRING(val); + len = str->len; + if (!str->is_wide_char) { + const uint8_t *src = str->u.str8; + int count; + + /* count the number of non-ASCII characters */ + /* Scanning the whole string is required for ASCII strings, + and computing the number of non-ASCII bytes is less expensive + than testing each byte, hence this method is faster for ASCII + strings, which is the most common case. + */ + count = 0; + for (pos = 0; pos < len; pos++) { + count += src[pos] >> 7; + } + if (count == 0) { + if (plen) + *plen = len; + return (const char *)src; + } + str_new = js_alloc_string(ctx, len + count, 0); + if (!str_new) + goto fail; + q = str_new->u.str8; + for (pos = 0; pos < len; pos++) { + c = src[pos]; + if (c < 0x80) { + *q++ = c; + } else { + *q++ = (c >> 6) | 0xc0; + *q++ = (c & 0x3f) | 0x80; + } + } + } else { + const uint16_t *src = str->u.str16; + /* Allocate 3 bytes per 16 bit code point. Surrogate pairs may + produce 4 bytes but use 2 code points. + */ + str_new = js_alloc_string(ctx, len * 3, 0); + if (!str_new) + goto fail; + q = str_new->u.str8; + pos = 0; + while (pos < len) { + c = src[pos++]; + if (c < 0x80) { + *q++ = c; + } else { + if (c >= 0xd800 && c < 0xdc00) { + if (pos < len && !cesu8) { + c1 = src[pos]; + if (c1 >= 0xdc00 && c1 < 0xe000) { + pos++; + /* surrogate pair */ + c = (((c & 0x3ff) << 10) | (c1 & 0x3ff)) + 0x10000; + } else { + /* Keep unmatched surrogate code points */ + /* c = 0xfffd; */ /* error */ + } + } else { + /* Keep unmatched surrogate code points */ + /* c = 0xfffd; */ /* error */ + } + } + q += unicode_to_utf8(q, c); + } + } + } + + *q = '\0'; + str_new->len = q - str_new->u.str8; + JS_FreeValue(ctx, val); + if (plen) + *plen = str_new->len; + return (const char *)str_new->u.str8; + fail: + if (plen) + *plen = 0; + return NULL; +} + +void JS_FreeCString(JSContext *ctx, const char *ptr) +{ + JSString *p; + if (!ptr) + return; + /* purposely removing constness */ + p = (JSString *)(void *)(ptr - offsetof(JSString, u)); + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_STRING, p)); +} + +static int memcmp16_8(const uint16_t *src1, const uint8_t *src2, int len) +{ + int c, i; + for(i = 0; i < len; i++) { + c = src1[i] - src2[i]; + if (c != 0) + return c; + } + return 0; +} + +static int memcmp16(const uint16_t *src1, const uint16_t *src2, int len) +{ + int c, i; + for(i = 0; i < len; i++) { + c = src1[i] - src2[i]; + if (c != 0) + return c; + } + return 0; +} + +static int js_string_memcmp(const JSString *p1, const JSString *p2, int len) +{ + int res; + + if (likely(!p1->is_wide_char)) { + if (likely(!p2->is_wide_char)) + res = memcmp(p1->u.str8, p2->u.str8, len); + else + res = -memcmp16_8(p2->u.str16, p1->u.str8, len); + } else { + if (!p2->is_wide_char) + res = memcmp16_8(p1->u.str16, p2->u.str8, len); + else + res = memcmp16(p1->u.str16, p2->u.str16, len); + } + return res; +} + +/* return < 0, 0 or > 0 */ +static int js_string_compare(JSContext *ctx, + const JSString *p1, const JSString *p2) +{ + int res, len; + len = min_int(p1->len, p2->len); + res = js_string_memcmp(p1, p2, len); + if (res == 0) { + if (p1->len == p2->len) + res = 0; + else if (p1->len < p2->len) + res = -1; + else + res = 1; + } + return res; +} + +static void copy_str16(uint16_t *dst, const JSString *p, int offset, int len) +{ + if (p->is_wide_char) { + memcpy(dst, p->u.str16 + offset, len * 2); + } else { + const uint8_t *src1 = p->u.str8 + offset; + int i; + + for(i = 0; i < len; i++) + dst[i] = src1[i]; + } +} + +static JSValue JS_ConcatString1(JSContext *ctx, + const JSString *p1, const JSString *p2) +{ + JSString *p; + uint32_t len; + int is_wide_char; + + len = p1->len + p2->len; + if (len > JS_STRING_LEN_MAX) + return JS_ThrowInternalError(ctx, "string too long"); + is_wide_char = p1->is_wide_char | p2->is_wide_char; + p = js_alloc_string(ctx, len, is_wide_char); + if (!p) + return JS_EXCEPTION; + if (!is_wide_char) { + memcpy(p->u.str8, p1->u.str8, p1->len); + memcpy(p->u.str8 + p1->len, p2->u.str8, p2->len); + p->u.str8[len] = '\0'; + } else { + copy_str16(p->u.str16, p1, 0, p1->len); + copy_str16(p->u.str16 + p1->len, p2, 0, p2->len); + } + return JS_MKPTR(JS_TAG_STRING, p); +} + +/* op1 and op2 are converted to strings. For convience, op1 or op2 = + JS_EXCEPTION are accepted and return JS_EXCEPTION. */ +static JSValue JS_ConcatString(JSContext *ctx, JSValue op1, JSValue op2) +{ + JSValue ret; + JSString *p1, *p2; + + if (unlikely(JS_VALUE_GET_TAG(op1) != JS_TAG_STRING)) { + op1 = JS_ToStringFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + return JS_EXCEPTION; + } + } + if (unlikely(JS_VALUE_GET_TAG(op2) != JS_TAG_STRING)) { + op2 = JS_ToStringFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + return JS_EXCEPTION; + } + } + p1 = JS_VALUE_GET_STRING(op1); + p2 = JS_VALUE_GET_STRING(op2); + + /* XXX: could also check if p1 is empty */ + if (p2->len == 0) { + goto ret_op1; + } + if (p1->header.ref_count == 1 && p1->is_wide_char == p2->is_wide_char + && js_malloc_usable_size(ctx, p1) >= sizeof(*p1) + ((p1->len + p2->len) << p2->is_wide_char) + 1 - p1->is_wide_char) { + /* Concatenate in place in available space at the end of p1 */ + if (p1->is_wide_char) { + memcpy(p1->u.str16 + p1->len, p2->u.str16, p2->len << 1); + p1->len += p2->len; + } else { + memcpy(p1->u.str8 + p1->len, p2->u.str8, p2->len); + p1->len += p2->len; + p1->u.str8[p1->len] = '\0'; + } + ret_op1: + JS_FreeValue(ctx, op2); + return op1; + } + ret = JS_ConcatString1(ctx, p1, p2); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return ret; +} + +/* Shape support */ + +static inline size_t get_shape_size(size_t hash_size, size_t prop_size) +{ + return hash_size * sizeof(uint32_t) + sizeof(JSShape) + + prop_size * sizeof(JSShapeProperty); +} + +static inline JSShape *get_shape_from_alloc(void *sh_alloc, size_t hash_size) +{ + return (JSShape *)(void *)((uint32_t *)sh_alloc + hash_size); +} + +static inline void *get_alloc_from_shape(JSShape *sh) +{ + return sh->prop_hash_end - ((intptr_t)sh->prop_hash_mask + 1); +} + +static inline JSShapeProperty *get_shape_prop(JSShape *sh) +{ + return sh->prop; +} + +static int init_shape_hash(JSRuntime *rt) +{ + rt->shape_hash_bits = 4; /* 16 shapes */ + rt->shape_hash_size = 1 << rt->shape_hash_bits; + rt->shape_hash_count = 0; + rt->shape_hash = js_mallocz_rt(rt, sizeof(rt->shape_hash[0]) * + rt->shape_hash_size); + if (!rt->shape_hash) + return -1; + return 0; +} + +/* same magic hash multiplier as the Linux kernel */ +static uint32_t shape_hash(uint32_t h, uint32_t val) +{ + return (h + val) * 0x9e370001; +} + +/* truncate the shape hash to 'hash_bits' bits */ +static uint32_t get_shape_hash(uint32_t h, int hash_bits) +{ + return h >> (32 - hash_bits); +} + +static uint32_t shape_initial_hash(JSObject *proto) +{ + uint32_t h; + h = shape_hash(1, (uintptr_t)proto); + if (sizeof(proto) > 4) + h = shape_hash(h, (uint64_t)(uintptr_t)proto >> 32); + return h; +} + +static int resize_shape_hash(JSRuntime *rt, int new_shape_hash_bits) +{ + int new_shape_hash_size, i; + uint32_t h; + JSShape **new_shape_hash, *sh, *sh_next; + + new_shape_hash_size = 1 << new_shape_hash_bits; + new_shape_hash = js_mallocz_rt(rt, sizeof(rt->shape_hash[0]) * + new_shape_hash_size); + if (!new_shape_hash) + return -1; + for(i = 0; i < rt->shape_hash_size; i++) { + for(sh = rt->shape_hash[i]; sh != NULL; sh = sh_next) { + sh_next = sh->shape_hash_next; + h = get_shape_hash(sh->hash, new_shape_hash_bits); + sh->shape_hash_next = new_shape_hash[h]; + new_shape_hash[h] = sh; + } + } + js_free_rt(rt, rt->shape_hash); + rt->shape_hash_bits = new_shape_hash_bits; + rt->shape_hash_size = new_shape_hash_size; + rt->shape_hash = new_shape_hash; + return 0; +} + +static void js_shape_hash_link(JSRuntime *rt, JSShape *sh) +{ + uint32_t h; + h = get_shape_hash(sh->hash, rt->shape_hash_bits); + sh->shape_hash_next = rt->shape_hash[h]; + rt->shape_hash[h] = sh; + rt->shape_hash_count++; +} + +static void js_shape_hash_unlink(JSRuntime *rt, JSShape *sh) +{ + uint32_t h; + JSShape **psh; + + h = get_shape_hash(sh->hash, rt->shape_hash_bits); + psh = &rt->shape_hash[h]; + while (*psh != sh) + psh = &(*psh)->shape_hash_next; + *psh = sh->shape_hash_next; + rt->shape_hash_count--; +} + +/* create a new empty shape with prototype 'proto' */ +static no_inline JSShape *js_new_shape2(JSContext *ctx, JSObject *proto, + int hash_size, int prop_size) +{ + JSRuntime *rt = ctx->rt; + void *sh_alloc; + JSShape *sh; + + /* resize the shape hash table if necessary */ + if (2 * (rt->shape_hash_count + 1) > rt->shape_hash_size) { + resize_shape_hash(rt, rt->shape_hash_bits + 1); + } + + sh_alloc = js_malloc(ctx, get_shape_size(hash_size, prop_size)); + if (!sh_alloc) + return NULL; + sh = get_shape_from_alloc(sh_alloc, hash_size); + sh->header.ref_count = 1; + add_gc_object(rt, &sh->header, JS_GC_OBJ_TYPE_SHAPE); + if (proto) + JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, proto)); + sh->proto = proto; + memset(sh->prop_hash_end - hash_size, 0, sizeof(sh->prop_hash_end[0]) * + hash_size); + sh->prop_hash_mask = hash_size - 1; + sh->prop_size = prop_size; + sh->prop_count = 0; + sh->deleted_prop_count = 0; + + /* insert in the hash table */ + sh->hash = shape_initial_hash(proto); + sh->is_hashed = TRUE; + sh->has_small_array_index = FALSE; + js_shape_hash_link(ctx->rt, sh); + return sh; +} + +static JSShape *js_new_shape(JSContext *ctx, JSObject *proto) +{ + return js_new_shape2(ctx, proto, JS_PROP_INITIAL_HASH_SIZE, + JS_PROP_INITIAL_SIZE); +} + +/* The shape is cloned. The new shape is not inserted in the shape + hash table */ +static JSShape *js_clone_shape(JSContext *ctx, JSShape *sh1) +{ + JSShape *sh; + void *sh_alloc, *sh_alloc1; + size_t size; + JSShapeProperty *pr; + uint32_t i, hash_size; + + hash_size = sh1->prop_hash_mask + 1; + size = get_shape_size(hash_size, sh1->prop_size); + sh_alloc = js_malloc(ctx, size); + if (!sh_alloc) + return NULL; + sh_alloc1 = get_alloc_from_shape(sh1); + memcpy(sh_alloc, sh_alloc1, size); + sh = get_shape_from_alloc(sh_alloc, hash_size); + sh->header.ref_count = 1; + add_gc_object(ctx->rt, &sh->header, JS_GC_OBJ_TYPE_SHAPE); + sh->is_hashed = FALSE; + if (sh->proto) { + JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, sh->proto)); + } + for(i = 0, pr = get_shape_prop(sh); i < sh->prop_count; i++, pr++) { + JS_DupAtom(ctx, pr->atom); + } + return sh; +} + +static JSShape *js_dup_shape(JSShape *sh) +{ + sh->header.ref_count++; + return sh; +} + +static void js_free_shape0(JSRuntime *rt, JSShape *sh) +{ + uint32_t i; + JSShapeProperty *pr; + + assert(sh->header.ref_count == 0); + if (sh->is_hashed) + js_shape_hash_unlink(rt, sh); + if (sh->proto != NULL) { + JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_OBJECT, sh->proto)); + } + pr = get_shape_prop(sh); + for(i = 0; i < sh->prop_count; i++) { + JS_FreeAtomRT(rt, pr->atom); + pr++; + } + remove_gc_object(&sh->header); + js_free_rt(rt, get_alloc_from_shape(sh)); +} + +static void js_free_shape(JSRuntime *rt, JSShape *sh) +{ + if (unlikely(--sh->header.ref_count <= 0)) { + js_free_shape0(rt, sh); + } +} + +static void js_free_shape_null(JSRuntime *rt, JSShape *sh) +{ + if (sh) + js_free_shape(rt, sh); +} + +/* make space to hold at least 'count' properties */ +static no_inline int resize_properties(JSContext *ctx, JSShape **psh, + JSObject *p, uint32_t count) +{ + JSShape *sh; + uint32_t new_size, new_hash_size, new_hash_mask, i; + JSShapeProperty *pr; + void *sh_alloc; + intptr_t h; + + sh = *psh; + new_size = max_int(count, sh->prop_size * 3 / 2); + /* Reallocate prop array first to avoid crash or size inconsistency + in case of memory allocation failure */ + if (p) { + JSProperty *new_prop; + new_prop = js_realloc(ctx, p->prop, sizeof(new_prop[0]) * new_size); + if (unlikely(!new_prop)) + return -1; + p->prop = new_prop; + } + new_hash_size = sh->prop_hash_mask + 1; + while (new_hash_size < new_size) + new_hash_size = 2 * new_hash_size; + if (new_hash_size != (sh->prop_hash_mask + 1)) { + JSShape *old_sh; + /* resize the hash table and the properties */ + old_sh = sh; + sh_alloc = js_malloc(ctx, get_shape_size(new_hash_size, new_size)); + if (!sh_alloc) + return -1; + sh = get_shape_from_alloc(sh_alloc, new_hash_size); + list_del(&old_sh->header.link); + /* copy all the fields and the properties */ + memcpy(sh, old_sh, + sizeof(JSShape) + sizeof(sh->prop[0]) * old_sh->prop_count); + list_add_tail(&sh->header.link, &ctx->rt->gc_obj_list); + new_hash_mask = new_hash_size - 1; + sh->prop_hash_mask = new_hash_mask; + memset(sh->prop_hash_end - new_hash_size, 0, + sizeof(sh->prop_hash_end[0]) * new_hash_size); + for(i = 0, pr = sh->prop; i < sh->prop_count; i++, pr++) { + if (pr->atom != JS_ATOM_NULL) { + h = ((uintptr_t)pr->atom & new_hash_mask); + pr->hash_next = sh->prop_hash_end[-h - 1]; + sh->prop_hash_end[-h - 1] = i + 1; + } + } + js_free(ctx, get_alloc_from_shape(old_sh)); + } else { + /* only resize the properties */ + list_del(&sh->header.link); + sh_alloc = js_realloc(ctx, get_alloc_from_shape(sh), + get_shape_size(new_hash_size, new_size)); + if (unlikely(!sh_alloc)) { + /* insert again in the GC list */ + list_add_tail(&sh->header.link, &ctx->rt->gc_obj_list); + return -1; + } + sh = get_shape_from_alloc(sh_alloc, new_hash_size); + list_add_tail(&sh->header.link, &ctx->rt->gc_obj_list); + } + *psh = sh; + sh->prop_size = new_size; + return 0; +} + +/* remove the deleted properties. */ +static int compact_properties(JSContext *ctx, JSObject *p) +{ + JSShape *sh, *old_sh; + void *sh_alloc; + intptr_t h; + uint32_t new_hash_size, i, j, new_hash_mask, new_size; + JSShapeProperty *old_pr, *pr; + JSProperty *prop, *new_prop; + + sh = p->shape; + assert(!sh->is_hashed); + + new_size = max_int(JS_PROP_INITIAL_SIZE, + sh->prop_count - sh->deleted_prop_count); + assert(new_size <= sh->prop_size); + + new_hash_size = sh->prop_hash_mask + 1; + while ((new_hash_size / 2) >= new_size) + new_hash_size = new_hash_size / 2; + new_hash_mask = new_hash_size - 1; + + /* resize the hash table and the properties */ + old_sh = sh; + sh_alloc = js_malloc(ctx, get_shape_size(new_hash_size, new_size)); + if (!sh_alloc) + return -1; + sh = get_shape_from_alloc(sh_alloc, new_hash_size); + list_del(&old_sh->header.link); + memcpy(sh, old_sh, sizeof(JSShape)); + list_add_tail(&sh->header.link, &ctx->rt->gc_obj_list); + + memset(sh->prop_hash_end - new_hash_size, 0, + sizeof(sh->prop_hash_end[0]) * new_hash_size); + + j = 0; + old_pr = old_sh->prop; + pr = sh->prop; + prop = p->prop; + for(i = 0; i < sh->prop_count; i++) { + if (old_pr->atom != JS_ATOM_NULL) { + pr->atom = old_pr->atom; + pr->flags = old_pr->flags; + h = ((uintptr_t)old_pr->atom & new_hash_mask); + pr->hash_next = sh->prop_hash_end[-h - 1]; + sh->prop_hash_end[-h - 1] = j + 1; + prop[j] = prop[i]; + j++; + pr++; + } + old_pr++; + } + assert(j == (sh->prop_count - sh->deleted_prop_count)); + sh->prop_hash_mask = new_hash_mask; + sh->prop_size = new_size; + sh->deleted_prop_count = 0; + sh->prop_count = j; + + p->shape = sh; + js_free(ctx, get_alloc_from_shape(old_sh)); + + /* reduce the size of the object properties */ + new_prop = js_realloc(ctx, p->prop, sizeof(new_prop[0]) * new_size); + if (new_prop) + p->prop = new_prop; + return 0; +} + +static int add_shape_property(JSContext *ctx, JSShape **psh, + JSObject *p, JSAtom atom, int prop_flags) +{ + JSRuntime *rt = ctx->rt; + JSShape *sh = *psh; + JSShapeProperty *pr, *prop; + uint32_t hash_mask, new_shape_hash = 0; + intptr_t h; + + /* update the shape hash */ + if (sh->is_hashed) { + js_shape_hash_unlink(rt, sh); + new_shape_hash = shape_hash(shape_hash(sh->hash, atom), prop_flags); + } + + if (unlikely(sh->prop_count >= sh->prop_size)) { + if (resize_properties(ctx, psh, p, sh->prop_count + 1)) { + /* in case of error, reinsert in the hash table. + sh is still valid if resize_properties() failed */ + if (sh->is_hashed) + js_shape_hash_link(rt, sh); + return -1; + } + sh = *psh; + } + if (sh->is_hashed) { + sh->hash = new_shape_hash; + js_shape_hash_link(rt, sh); + } + /* Initialize the new shape property. + The object property at p->prop[sh->prop_count] is uninitialized */ + prop = get_shape_prop(sh); + pr = &prop[sh->prop_count++]; + pr->atom = JS_DupAtom(ctx, atom); + pr->flags = prop_flags; + sh->has_small_array_index |= __JS_AtomIsTaggedInt(atom); + /* add in hash table */ + hash_mask = sh->prop_hash_mask; + h = atom & hash_mask; + pr->hash_next = sh->prop_hash_end[-h - 1]; + sh->prop_hash_end[-h - 1] = sh->prop_count; + return 0; +} + +/* find a hashed empty shape matching the prototype. Return NULL if + not found */ +static JSShape *find_hashed_shape_proto(JSRuntime *rt, JSObject *proto) +{ + JSShape *sh1; + uint32_t h, h1; + + h = shape_initial_hash(proto); + h1 = get_shape_hash(h, rt->shape_hash_bits); + for(sh1 = rt->shape_hash[h1]; sh1 != NULL; sh1 = sh1->shape_hash_next) { + if (sh1->hash == h && + sh1->proto == proto && + sh1->prop_count == 0) { + return sh1; + } + } + return NULL; +} + +/* find a hashed shape matching sh + (prop, prop_flags). Return NULL if + not found */ +static JSShape *find_hashed_shape_prop(JSRuntime *rt, JSShape *sh, + JSAtom atom, int prop_flags) +{ + JSShape *sh1; + uint32_t h, h1, i, n; + + h = sh->hash; + h = shape_hash(h, atom); + h = shape_hash(h, prop_flags); + h1 = get_shape_hash(h, rt->shape_hash_bits); + for(sh1 = rt->shape_hash[h1]; sh1 != NULL; sh1 = sh1->shape_hash_next) { + /* we test the hash first so that the rest is done only if the + shapes really match */ + if (sh1->hash == h && + sh1->proto == sh->proto && + sh1->prop_count == ((n = sh->prop_count) + 1)) { + for(i = 0; i < n; i++) { + if (unlikely(sh1->prop[i].atom != sh->prop[i].atom) || + unlikely(sh1->prop[i].flags != sh->prop[i].flags)) + goto next; + } + if (unlikely(sh1->prop[n].atom != atom) || + unlikely(sh1->prop[n].flags != prop_flags)) + goto next; + return sh1; + } + next: ; + } + return NULL; +} + +static __maybe_unused void JS_DumpShape(JSRuntime *rt, int i, JSShape *sh) +{ + char atom_buf[ATOM_GET_STR_BUF_SIZE]; + int j; + + /* XXX: should output readable class prototype */ + printf("%5d %3d%c %14p %5d %5d", i, + sh->header.ref_count, " *"[sh->is_hashed], + (void *)sh->proto, sh->prop_size, sh->prop_count); + for(j = 0; j < sh->prop_count; j++) { + printf(" %s", JS_AtomGetStrRT(rt, atom_buf, sizeof(atom_buf), + sh->prop[j].atom)); + } + printf("\n"); +} + +static __maybe_unused void JS_DumpShapes(JSRuntime *rt) +{ + int i; + JSShape *sh; + struct list_head *el; + JSObject *p; + JSGCObjectHeader *gp; + + printf("JSShapes: {\n"); + printf("%5s %4s %14s %5s %5s %s\n", "SLOT", "REFS", "PROTO", "SIZE", "COUNT", "PROPS"); + for(i = 0; i < rt->shape_hash_size; i++) { + for(sh = rt->shape_hash[i]; sh != NULL; sh = sh->shape_hash_next) { + JS_DumpShape(rt, i, sh); + assert(sh->is_hashed); + } + } + /* dump non-hashed shapes */ + list_for_each(el, &rt->gc_obj_list) { + gp = list_entry(el, JSGCObjectHeader, link); + if (gp->gc_obj_type == JS_GC_OBJ_TYPE_JS_OBJECT) { + p = (JSObject *)gp; + if (!p->shape->is_hashed) { + JS_DumpShape(rt, -1, p->shape); + } + } + } + printf("}\n"); +} + +static JSValue JS_NewObjectFromShape(JSContext *ctx, JSShape *sh, JSClassID class_id) +{ + JSObject *p; + + js_trigger_gc(ctx->rt, sizeof(JSObject)); + p = js_malloc(ctx, sizeof(JSObject)); + if (unlikely(!p)) + goto fail; + p->class_id = class_id; + p->extensible = TRUE; + p->free_mark = 0; + p->is_exotic = 0; + p->fast_array = 0; + p->is_constructor = 0; + p->is_uncatchable_error = 0; + p->tmp_mark = 0; + p->first_weak_ref = NULL; + p->u.opaque = NULL; + p->shape = sh; + p->prop = js_malloc(ctx, sizeof(JSProperty) * sh->prop_size); + if (unlikely(!p->prop)) { + js_free(ctx, p); + fail: + js_free_shape(ctx->rt, sh); + return JS_EXCEPTION; + } + + switch(class_id) { + case JS_CLASS_OBJECT: + break; + case JS_CLASS_ARRAY: + { + JSProperty *pr; + p->is_exotic = 1; + p->fast_array = 1; + p->u.array.u.values = NULL; + p->u.array.count = 0; + p->u.array.u1.size = 0; + /* the length property is always the first one */ + if (likely(sh == ctx->array_shape)) { + pr = &p->prop[0]; + } else { + /* only used for the first array */ + /* cannot fail */ + pr = add_property(ctx, p, JS_ATOM_length, + JS_PROP_WRITABLE | JS_PROP_LENGTH); + } + pr->u.value = JS_NewInt32(ctx, 0); + } + break; + case JS_CLASS_C_FUNCTION: + p->prop[0].u.value = JS_UNDEFINED; + break; + case JS_CLASS_ARGUMENTS: + case JS_CLASS_UINT8C_ARRAY ... JS_CLASS_FLOAT64_ARRAY: + p->is_exotic = 1; + p->fast_array = 1; + p->u.array.u.ptr = NULL; + p->u.array.count = 0; + break; + case JS_CLASS_DATAVIEW: + p->u.array.u.ptr = NULL; + p->u.array.count = 0; + break; + case JS_CLASS_NUMBER: + case JS_CLASS_STRING: + case JS_CLASS_BOOLEAN: + case JS_CLASS_SYMBOL: + case JS_CLASS_DATE: +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT: + case JS_CLASS_BIG_FLOAT: + case JS_CLASS_BIG_DECIMAL: +#endif + p->u.object_data = JS_UNDEFINED; + goto set_exotic; + case JS_CLASS_REGEXP: + p->u.regexp.pattern = NULL; + p->u.regexp.bytecode = NULL; + goto set_exotic; + default: + set_exotic: + if (ctx->rt->class_array[class_id].exotic) { + p->is_exotic = 1; + } + break; + } + p->header.ref_count = 1; + add_gc_object(ctx->rt, &p->header, JS_GC_OBJ_TYPE_JS_OBJECT); + return JS_MKPTR(JS_TAG_OBJECT, p); +} + +static JSObject *get_proto_obj(JSValueConst proto_val) +{ + if (JS_VALUE_GET_TAG(proto_val) != JS_TAG_OBJECT) + return NULL; + else + return JS_VALUE_GET_OBJ(proto_val); +} + +/* WARNING: proto must be an object or JS_NULL */ +JSValue JS_NewObjectProtoClass(JSContext *ctx, JSValueConst proto_val, + JSClassID class_id) +{ + JSShape *sh; + JSObject *proto; + + proto = get_proto_obj(proto_val); + sh = find_hashed_shape_proto(ctx->rt, proto); + if (likely(sh)) { + sh = js_dup_shape(sh); + } else { + sh = js_new_shape(ctx, proto); + if (!sh) + return JS_EXCEPTION; + } + return JS_NewObjectFromShape(ctx, sh, class_id); +} + +#if 0 +static JSValue JS_GetObjectData(JSContext *ctx, JSValueConst obj) +{ + JSObject *p; + + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + p = JS_VALUE_GET_OBJ(obj); + switch(p->class_id) { + case JS_CLASS_NUMBER: + case JS_CLASS_STRING: + case JS_CLASS_BOOLEAN: + case JS_CLASS_SYMBOL: + case JS_CLASS_DATE: +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT: + case JS_CLASS_BIG_FLOAT: + case JS_CLASS_BIG_DECIMAL: +#endif + return JS_DupValue(ctx, p->u.object_data); + } + } + return JS_UNDEFINED; +} +#endif + +static int JS_SetObjectData(JSContext *ctx, JSValueConst obj, JSValue val) +{ + JSObject *p; + + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + p = JS_VALUE_GET_OBJ(obj); + switch(p->class_id) { + case JS_CLASS_NUMBER: + case JS_CLASS_STRING: + case JS_CLASS_BOOLEAN: + case JS_CLASS_SYMBOL: + case JS_CLASS_DATE: +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT: + case JS_CLASS_BIG_FLOAT: + case JS_CLASS_BIG_DECIMAL: +#endif + JS_FreeValue(ctx, p->u.object_data); + p->u.object_data = val; + return 0; + } + } + JS_FreeValue(ctx, val); + if (!JS_IsException(obj)) + JS_ThrowTypeError(ctx, "invalid object type"); + return -1; +} + +JSValue JS_NewObjectClass(JSContext *ctx, int class_id) +{ + return JS_NewObjectProtoClass(ctx, ctx->class_proto[class_id], class_id); +} + +JSValue JS_NewObjectProto(JSContext *ctx, JSValueConst proto) +{ + return JS_NewObjectProtoClass(ctx, proto, JS_CLASS_OBJECT); +} + +JSValue JS_NewArray(JSContext *ctx) +{ + return JS_NewObjectFromShape(ctx, js_dup_shape(ctx->array_shape), + JS_CLASS_ARRAY); +} + +JSValue JS_NewObject(JSContext *ctx) +{ + /* inline JS_NewObjectClass(ctx, JS_CLASS_OBJECT); */ + return JS_NewObjectProtoClass(ctx, ctx->class_proto[JS_CLASS_OBJECT], JS_CLASS_OBJECT); +} + +static void js_function_set_properties(JSContext *ctx, JSValueConst func_obj, + JSAtom name, int len) +{ + /* ES6 feature non compatible with ES5.1: length is configurable */ + JS_DefinePropertyValue(ctx, func_obj, JS_ATOM_length, JS_NewInt32(ctx, len), + JS_PROP_CONFIGURABLE); + JS_DefinePropertyValue(ctx, func_obj, JS_ATOM_name, + JS_AtomToString(ctx, name), JS_PROP_CONFIGURABLE); +} + +static BOOL js_class_has_bytecode(JSClassID class_id) +{ + return (class_id == JS_CLASS_BYTECODE_FUNCTION || + class_id == JS_CLASS_GENERATOR_FUNCTION || + class_id == JS_CLASS_ASYNC_FUNCTION || + class_id == JS_CLASS_ASYNC_GENERATOR_FUNCTION); +} + +/* return NULL without exception if not a function or no bytecode */ +static JSFunctionBytecode *JS_GetFunctionBytecode(JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return NULL; + p = JS_VALUE_GET_OBJ(val); + if (!js_class_has_bytecode(p->class_id)) + return NULL; + return p->u.func.function_bytecode; +} + +static void js_method_set_home_object(JSContext *ctx, JSValueConst func_obj, + JSValueConst home_obj) +{ + JSObject *p, *p1; + JSFunctionBytecode *b; + + if (JS_VALUE_GET_TAG(func_obj) != JS_TAG_OBJECT) + return; + p = JS_VALUE_GET_OBJ(func_obj); + if (!js_class_has_bytecode(p->class_id)) + return; + b = p->u.func.function_bytecode; + if (b->need_home_object) { + p1 = p->u.func.home_object; + if (p1) { + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p1)); + } + if (JS_VALUE_GET_TAG(home_obj) == JS_TAG_OBJECT) + p1 = JS_VALUE_GET_OBJ(JS_DupValue(ctx, home_obj)); + else + p1 = NULL; + p->u.func.home_object = p1; + } +} + +static JSValue js_get_function_name(JSContext *ctx, JSAtom name) +{ + JSValue name_str; + + name_str = JS_AtomToString(ctx, name); + if (JS_AtomSymbolHasDescription(ctx, name)) { + name_str = JS_ConcatString3(ctx, "[", name_str, "]"); + } + return name_str; +} + +/* Modify the name of a method according to the atom and + 'flags'. 'flags' is a bitmask of JS_PROP_HAS_GET and + JS_PROP_HAS_SET. Also set the home object of the method. + Return < 0 if exception. */ +static int js_method_set_properties(JSContext *ctx, JSValueConst func_obj, + JSAtom name, int flags, JSValueConst home_obj) +{ + JSValue name_str; + + name_str = js_get_function_name(ctx, name); + if (flags & JS_PROP_HAS_GET) { + name_str = JS_ConcatString3(ctx, "get ", name_str, ""); + } else if (flags & JS_PROP_HAS_SET) { + name_str = JS_ConcatString3(ctx, "set ", name_str, ""); + } + if (JS_IsException(name_str)) + return -1; + if (JS_DefinePropertyValue(ctx, func_obj, JS_ATOM_name, name_str, + JS_PROP_CONFIGURABLE) < 0) + return -1; + js_method_set_home_object(ctx, func_obj, home_obj); + return 0; +} + +/* Note: at least 'length' arguments will be readable in 'argv' */ +static JSValue JS_NewCFunction3(JSContext *ctx, JSCFunction *func, + const char *name, + int length, JSCFunctionEnum cproto, int magic, + JSValueConst proto_val) +{ + JSValue func_obj; + JSObject *p; + JSAtom name_atom; + + func_obj = JS_NewObjectProtoClass(ctx, proto_val, JS_CLASS_C_FUNCTION); + if (JS_IsException(func_obj)) + return func_obj; + p = JS_VALUE_GET_OBJ(func_obj); + p->u.cfunc.realm = JS_DupContext(ctx); + p->u.cfunc.c_function.generic = func; + p->u.cfunc.length = length; + p->u.cfunc.cproto = cproto; + p->u.cfunc.magic = magic; + p->is_constructor = (cproto == JS_CFUNC_constructor || + cproto == JS_CFUNC_constructor_magic || + cproto == JS_CFUNC_constructor_or_func || + cproto == JS_CFUNC_constructor_or_func_magic); + if (!name) + name = ""; + name_atom = JS_NewAtom(ctx, name); + js_function_set_properties(ctx, func_obj, name_atom, length); + JS_FreeAtom(ctx, name_atom); + return func_obj; +} + +/* Note: at least 'length' arguments will be readable in 'argv' */ +JSValue JS_NewCFunction2(JSContext *ctx, JSCFunction *func, + const char *name, + int length, JSCFunctionEnum cproto, int magic) +{ + return JS_NewCFunction3(ctx, func, name, length, cproto, magic, + ctx->function_proto); +} + +typedef struct JSCFunctionDataRecord { + JSCFunctionData *func; + uint8_t length; + uint8_t data_len; + uint16_t magic; + JSValue data[0]; +} JSCFunctionDataRecord; + +static void js_c_function_data_finalizer(JSRuntime *rt, JSValue val) +{ + JSCFunctionDataRecord *s = JS_GetOpaque(val, JS_CLASS_C_FUNCTION_DATA); + int i; + + if (s) { + for(i = 0; i < s->data_len; i++) { + JS_FreeValueRT(rt, s->data[i]); + } + js_free_rt(rt, s); + } +} + +static void js_c_function_data_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSCFunctionDataRecord *s = JS_GetOpaque(val, JS_CLASS_C_FUNCTION_DATA); + int i; + + if (s) { + for(i = 0; i < s->data_len; i++) { + JS_MarkValue(rt, s->data[i], mark_func); + } + } +} + +static JSValue js_c_function_data_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_val, + int argc, JSValueConst *argv, int flags) +{ + JSCFunctionDataRecord *s = JS_GetOpaque(func_obj, JS_CLASS_C_FUNCTION_DATA); + JSValueConst *arg_buf; + int i; + + /* XXX: could add the function on the stack for debug */ + if (unlikely(argc < s->length)) { + arg_buf = alloca(sizeof(arg_buf[0]) * s->length); + for(i = 0; i < argc; i++) + arg_buf[i] = argv[i]; + for(i = argc; i < s->length; i++) + arg_buf[i] = JS_UNDEFINED; + } else { + arg_buf = argv; + } + + return s->func(ctx, this_val, argc, arg_buf, s->magic, s->data); +} + +JSValue JS_NewCFunctionData(JSContext *ctx, JSCFunctionData *func, + int length, int magic, int data_len, + JSValueConst *data) +{ + JSCFunctionDataRecord *s; + JSValue func_obj; + int i; + + func_obj = JS_NewObjectProtoClass(ctx, ctx->function_proto, + JS_CLASS_C_FUNCTION_DATA); + if (JS_IsException(func_obj)) + return func_obj; + s = js_malloc(ctx, sizeof(*s) + data_len * sizeof(JSValue)); + if (!s) { + JS_FreeValue(ctx, func_obj); + return JS_EXCEPTION; + } + s->func = func; + s->length = length; + s->data_len = data_len; + s->magic = magic; + for(i = 0; i < data_len; i++) + s->data[i] = JS_DupValue(ctx, data[i]); + JS_SetOpaque(func_obj, s); + js_function_set_properties(ctx, func_obj, + JS_ATOM_empty_string, length); + return func_obj; +} + +static JSContext *js_autoinit_get_realm(JSProperty *pr) +{ + return (JSContext *)(pr->u.init.realm_and_id & ~3); +} + +static JSAutoInitIDEnum js_autoinit_get_id(JSProperty *pr) +{ + return pr->u.init.realm_and_id & 3; +} + +static void js_autoinit_free(JSRuntime *rt, JSProperty *pr) +{ + JS_FreeContext(js_autoinit_get_realm(pr)); +} + +static void js_autoinit_mark(JSRuntime *rt, JSProperty *pr, + JS_MarkFunc *mark_func) +{ + mark_func(rt, &js_autoinit_get_realm(pr)->header); +} + +static void free_property(JSRuntime *rt, JSProperty *pr, int prop_flags) +{ + if (unlikely(prop_flags & JS_PROP_TMASK)) { + if ((prop_flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + if (pr->u.getset.getter) + JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter)); + if (pr->u.getset.setter) + JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.setter)); + } else if ((prop_flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + free_var_ref(rt, pr->u.var_ref); + } else if ((prop_flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + js_autoinit_free(rt, pr); + } + } else { + JS_FreeValueRT(rt, pr->u.value); + } +} + +static force_inline JSShapeProperty *find_own_property1(JSObject *p, + JSAtom atom) +{ + JSShape *sh; + JSShapeProperty *pr, *prop; + intptr_t h; + sh = p->shape; + h = (uintptr_t)atom & sh->prop_hash_mask; + h = sh->prop_hash_end[-h - 1]; + prop = get_shape_prop(sh); + while (h) { + pr = &prop[h - 1]; + if (likely(pr->atom == atom)) { + return pr; + } + h = pr->hash_next; + } + return NULL; +} + +static force_inline JSShapeProperty *find_own_property(JSProperty **ppr, + JSObject *p, + JSAtom atom) +{ + JSShape *sh; + JSShapeProperty *pr, *prop; + intptr_t h; + sh = p->shape; + h = (uintptr_t)atom & sh->prop_hash_mask; + h = sh->prop_hash_end[-h - 1]; + prop = get_shape_prop(sh); + while (h) { + pr = &prop[h - 1]; + if (likely(pr->atom == atom)) { + *ppr = &p->prop[h - 1]; + /* the compiler should be able to assume that pr != NULL here */ + return pr; + } + h = pr->hash_next; + } + *ppr = NULL; + return NULL; +} + +/* indicate that the object may be part of a function prototype cycle */ +static void set_cycle_flag(JSContext *ctx, JSValueConst obj) +{ +} + +static void free_var_ref(JSRuntime *rt, JSVarRef *var_ref) +{ + if (var_ref) { + assert(var_ref->header.ref_count > 0); + if (--var_ref->header.ref_count == 0) { + if (var_ref->is_detached) { + JS_FreeValueRT(rt, var_ref->value); + remove_gc_object(&var_ref->header); + } else { + list_del(&var_ref->header.link); /* still on the stack */ + } + js_free_rt(rt, var_ref); + } + } +} + +static void js_array_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + int i; + + for(i = 0; i < p->u.array.count; i++) { + JS_FreeValueRT(rt, p->u.array.u.values[i]); + } + js_free_rt(rt, p->u.array.u.values); +} + +static void js_array_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + int i; + + for(i = 0; i < p->u.array.count; i++) { + JS_MarkValue(rt, p->u.array.u.values[i], mark_func); + } +} + +static void js_object_data_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JS_FreeValueRT(rt, p->u.object_data); + p->u.object_data = JS_UNDEFINED; +} + +static void js_object_data_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JS_MarkValue(rt, p->u.object_data, mark_func); +} + +static void js_c_function_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + + if (p->u.cfunc.realm) + JS_FreeContext(p->u.cfunc.realm); +} + +static void js_c_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + + if (p->u.cfunc.realm) + mark_func(rt, &p->u.cfunc.realm->header); +} + +static void js_bytecode_function_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p1, *p = JS_VALUE_GET_OBJ(val); + JSFunctionBytecode *b; + JSVarRef **var_refs; + int i; + + p1 = p->u.func.home_object; + if (p1) { + JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_OBJECT, p1)); + } + b = p->u.func.function_bytecode; + if (b) { + var_refs = p->u.func.var_refs; + if (var_refs) { + for(i = 0; i < b->closure_var_count; i++) + free_var_ref(rt, var_refs[i]); + js_free_rt(rt, var_refs); + } + JS_FreeValueRT(rt, JS_MKPTR(JS_TAG_FUNCTION_BYTECODE, b)); + } +} + +static void js_bytecode_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSVarRef **var_refs = p->u.func.var_refs; + JSFunctionBytecode *b = p->u.func.function_bytecode; + int i; + + if (p->u.func.home_object) { + JS_MarkValue(rt, JS_MKPTR(JS_TAG_OBJECT, p->u.func.home_object), + mark_func); + } + if (b) { + if (var_refs) { + for(i = 0; i < b->closure_var_count; i++) { + JSVarRef *var_ref = var_refs[i]; + if (var_ref && var_ref->is_detached) { + mark_func(rt, &var_ref->header); + } + } + } + /* must mark the function bytecode because template objects may be + part of a cycle */ + JS_MarkValue(rt, JS_MKPTR(JS_TAG_FUNCTION_BYTECODE, b), mark_func); + } +} + +static void js_bound_function_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSBoundFunction *bf = p->u.bound_function; + int i; + + JS_FreeValueRT(rt, bf->func_obj); + JS_FreeValueRT(rt, bf->this_val); + for(i = 0; i < bf->argc; i++) { + JS_FreeValueRT(rt, bf->argv[i]); + } + js_free_rt(rt, bf); +} + +static void js_bound_function_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSBoundFunction *bf = p->u.bound_function; + int i; + + JS_MarkValue(rt, bf->func_obj, mark_func); + JS_MarkValue(rt, bf->this_val, mark_func); + for(i = 0; i < bf->argc; i++) + JS_MarkValue(rt, bf->argv[i], mark_func); +} + +static void js_for_in_iterator_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSForInIterator *it = p->u.for_in_iterator; + JS_FreeValueRT(rt, it->obj); + js_free_rt(rt, it); +} + +static void js_for_in_iterator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSForInIterator *it = p->u.for_in_iterator; + JS_MarkValue(rt, it->obj, mark_func); +} + +static void free_object(JSRuntime *rt, JSObject *p) +{ + int i; + JSClassFinalizer *finalizer; + JSShape *sh; + JSShapeProperty *pr; + + p->free_mark = 1; /* used to tell the object is invalid when + freeing cycles */ + /* free all the fields */ + sh = p->shape; + pr = get_shape_prop(sh); + for(i = 0; i < sh->prop_count; i++) { + free_property(rt, &p->prop[i], pr->flags); + pr++; + } + js_free_rt(rt, p->prop); + /* as an optimization we destroy the shape immediately without + putting it in gc_zero_ref_count_list */ + js_free_shape(rt, sh); + + /* fail safe */ + p->shape = NULL; + p->prop = NULL; + + if (unlikely(p->first_weak_ref)) { + reset_weak_ref(rt, p); + } + + finalizer = rt->class_array[p->class_id].finalizer; + if (finalizer) + (*finalizer)(rt, JS_MKPTR(JS_TAG_OBJECT, p)); + + /* fail safe */ + p->class_id = 0; + p->u.opaque = NULL; + p->u.func.var_refs = NULL; + p->u.func.home_object = NULL; + + remove_gc_object(&p->header); + if (rt->gc_phase == JS_GC_PHASE_REMOVE_CYCLES && p->header.ref_count != 0) { + list_add_tail(&p->header.link, &rt->gc_zero_ref_count_list); + } else { + js_free_rt(rt, p); + } +} + +static void free_gc_object(JSRuntime *rt, JSGCObjectHeader *gp) +{ + switch(gp->gc_obj_type) { + case JS_GC_OBJ_TYPE_JS_OBJECT: + free_object(rt, (JSObject *)gp); + break; + case JS_GC_OBJ_TYPE_FUNCTION_BYTECODE: + free_function_bytecode(rt, (JSFunctionBytecode *)gp); + break; + default: + abort(); + } +} + +static void free_zero_refcount(JSRuntime *rt) +{ + struct list_head *el; + JSGCObjectHeader *p; + + rt->gc_phase = JS_GC_PHASE_DECREF; + for(;;) { + el = rt->gc_zero_ref_count_list.next; + if (el == &rt->gc_zero_ref_count_list) + break; + p = list_entry(el, JSGCObjectHeader, link); + assert(p->ref_count == 0); + free_gc_object(rt, p); + } + rt->gc_phase = JS_GC_PHASE_NONE; +} + +/* called with the ref_count of 'v' reaches zero. */ +void __JS_FreeValueRT(JSRuntime *rt, JSValue v) +{ + uint32_t tag = JS_VALUE_GET_TAG(v); + +#ifdef DUMP_FREE + { + printf("Freeing "); + if (tag == JS_TAG_OBJECT) { + JS_DumpObject(rt, JS_VALUE_GET_OBJ(v)); + } else { + JS_DumpValueShort(rt, v); + printf("\n"); + } + } +#endif + + switch(tag) { + case JS_TAG_STRING: + { + JSString *p = JS_VALUE_GET_STRING(v); + if (p->atom_type) { + JS_FreeAtomStruct(rt, p); + } else { +#ifdef DUMP_LEAKS + list_del(&p->link); +#endif + js_free_rt(rt, p); + } + } + break; + case JS_TAG_OBJECT: + case JS_TAG_FUNCTION_BYTECODE: + { + JSGCObjectHeader *p = JS_VALUE_GET_PTR(v); + if (rt->gc_phase != JS_GC_PHASE_REMOVE_CYCLES) { + list_del(&p->link); + list_add(&p->link, &rt->gc_zero_ref_count_list); + if (rt->gc_phase == JS_GC_PHASE_NONE) { + free_zero_refcount(rt); + } + } + } + break; + case JS_TAG_MODULE: + abort(); /* never freed here */ + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *bf = JS_VALUE_GET_PTR(v); + bf_delete(&bf->num); + js_free_rt(rt, bf); + } + break; + case JS_TAG_BIG_DECIMAL: + { + JSBigDecimal *bf = JS_VALUE_GET_PTR(v); + bfdec_delete(&bf->num); + js_free_rt(rt, bf); + } + break; +#endif + case JS_TAG_SYMBOL: + { + JSAtomStruct *p = JS_VALUE_GET_PTR(v); + JS_FreeAtomStruct(rt, p); + } + break; + default: + printf("__JS_FreeValue: unknown tag=%d\n", tag); + abort(); + } +} + +void __JS_FreeValue(JSContext *ctx, JSValue v) +{ + __JS_FreeValueRT(ctx->rt, v); +} + +/* garbage collection */ + +static void add_gc_object(JSRuntime *rt, JSGCObjectHeader *h, + JSGCObjectTypeEnum type) +{ + h->mark = 0; + h->gc_obj_type = type; + list_add_tail(&h->link, &rt->gc_obj_list); +} + +static void remove_gc_object(JSGCObjectHeader *h) +{ + list_del(&h->link); +} + +void JS_MarkValue(JSRuntime *rt, JSValueConst val, JS_MarkFunc *mark_func) +{ + if (JS_VALUE_HAS_REF_COUNT(val)) { + switch(JS_VALUE_GET_TAG(val)) { + case JS_TAG_OBJECT: + case JS_TAG_FUNCTION_BYTECODE: + mark_func(rt, JS_VALUE_GET_PTR(val)); + break; + default: + break; + } + } +} + +static void mark_children(JSRuntime *rt, JSGCObjectHeader *gp, + JS_MarkFunc *mark_func) +{ + switch(gp->gc_obj_type) { + case JS_GC_OBJ_TYPE_JS_OBJECT: + { + JSObject *p = (JSObject *)gp; + JSShapeProperty *prs; + JSShape *sh; + int i; + sh = p->shape; + mark_func(rt, &sh->header); + /* mark all the fields */ + prs = get_shape_prop(sh); + for(i = 0; i < sh->prop_count; i++) { + JSProperty *pr = &p->prop[i]; + if (prs->atom != JS_ATOM_NULL) { + if (prs->flags & JS_PROP_TMASK) { + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + if (pr->u.getset.getter) + mark_func(rt, &pr->u.getset.getter->header); + if (pr->u.getset.setter) + mark_func(rt, &pr->u.getset.setter->header); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + if (pr->u.var_ref->is_detached) { + /* Note: the tag does not matter + provided it is a GC object */ + mark_func(rt, &pr->u.var_ref->header); + } + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + js_autoinit_mark(rt, pr, mark_func); + } + } else { + JS_MarkValue(rt, pr->u.value, mark_func); + } + } + prs++; + } + + if (p->class_id != JS_CLASS_OBJECT) { + JSClassGCMark *gc_mark; + gc_mark = rt->class_array[p->class_id].gc_mark; + if (gc_mark) + gc_mark(rt, JS_MKPTR(JS_TAG_OBJECT, p), mark_func); + } + } + break; + case JS_GC_OBJ_TYPE_FUNCTION_BYTECODE: + /* the template objects can be part of a cycle */ + { + JSFunctionBytecode *b = (JSFunctionBytecode *)gp; + int i; + for(i = 0; i < b->cpool_count; i++) { + JS_MarkValue(rt, b->cpool[i], mark_func); + } + if (b->realm) + mark_func(rt, &b->realm->header); + } + break; + case JS_GC_OBJ_TYPE_VAR_REF: + { + JSVarRef *var_ref = (JSVarRef *)gp; + /* only detached variable referenced are taken into account */ + assert(var_ref->is_detached); + JS_MarkValue(rt, *var_ref->pvalue, mark_func); + } + break; + case JS_GC_OBJ_TYPE_ASYNC_FUNCTION: + { + JSAsyncFunctionData *s = (JSAsyncFunctionData *)gp; + if (s->is_active) + async_func_mark(rt, &s->func_state, mark_func); + JS_MarkValue(rt, s->resolving_funcs[0], mark_func); + JS_MarkValue(rt, s->resolving_funcs[1], mark_func); + } + break; + case JS_GC_OBJ_TYPE_SHAPE: + { + JSShape *sh = (JSShape *)gp; + if (sh->proto != NULL) { + mark_func(rt, &sh->proto->header); + } + } + break; + case JS_GC_OBJ_TYPE_JS_CONTEXT: + { + JSContext *ctx = (JSContext *)gp; + JS_MarkContext(rt, ctx, mark_func); + } + break; + default: + abort(); + } +} + +static void gc_decref_child(JSRuntime *rt, JSGCObjectHeader *p) +{ + assert(p->ref_count > 0); + p->ref_count--; + if (p->ref_count == 0 && p->mark == 1) { + list_del(&p->link); + list_add_tail(&p->link, &rt->tmp_obj_list); + } +} + +static void gc_decref(JSRuntime *rt) +{ + struct list_head *el, *el1; + JSGCObjectHeader *p; + + init_list_head(&rt->tmp_obj_list); + + /* decrement the refcount of all the children of all the GC + objects and move the GC objects with zero refcount to + tmp_obj_list */ + list_for_each_safe(el, el1, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + assert(p->mark == 0); + mark_children(rt, p, gc_decref_child); + p->mark = 1; + if (p->ref_count == 0) { + list_del(&p->link); + list_add_tail(&p->link, &rt->tmp_obj_list); + } + } +} + +static void gc_scan_incref_child(JSRuntime *rt, JSGCObjectHeader *p) +{ + p->ref_count++; + if (p->ref_count == 1) { + /* ref_count was 0: remove from tmp_obj_list and add at the + end of gc_obj_list */ + list_del(&p->link); + list_add_tail(&p->link, &rt->gc_obj_list); + p->mark = 0; /* reset the mark for the next GC call */ + } +} + +static void gc_scan_incref_child2(JSRuntime *rt, JSGCObjectHeader *p) +{ + p->ref_count++; +} + +static void gc_scan(JSRuntime *rt) +{ + struct list_head *el; + JSGCObjectHeader *p; + + /* keep the objects with a refcount > 0 and their children. */ + list_for_each(el, &rt->gc_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + assert(p->ref_count > 0); + p->mark = 0; /* reset the mark for the next GC call */ + mark_children(rt, p, gc_scan_incref_child); + } + + /* restore the refcount of the objects to be deleted. */ + list_for_each(el, &rt->tmp_obj_list) { + p = list_entry(el, JSGCObjectHeader, link); + mark_children(rt, p, gc_scan_incref_child2); + } +} + +static void gc_free_cycles(JSRuntime *rt) +{ + struct list_head *el, *el1; + JSGCObjectHeader *p; +#ifdef DUMP_GC_FREE + BOOL header_done = FALSE; +#endif + + rt->gc_phase = JS_GC_PHASE_REMOVE_CYCLES; + + for(;;) { + el = rt->tmp_obj_list.next; + if (el == &rt->tmp_obj_list) + break; + p = list_entry(el, JSGCObjectHeader, link); + /* Only need to free the GC object associated with JS + values. The rest will be automatically removed because they + must be referenced by them. */ + switch(p->gc_obj_type) { + case JS_GC_OBJ_TYPE_JS_OBJECT: + case JS_GC_OBJ_TYPE_FUNCTION_BYTECODE: +#ifdef DUMP_GC_FREE + if (!header_done) { + printf("Freeing cycles:\n"); + JS_DumpObjectHeader(rt); + header_done = TRUE; + } + JS_DumpGCObject(rt, p); +#endif + free_gc_object(rt, p); + break; + default: + list_del(&p->link); + list_add_tail(&p->link, &rt->gc_zero_ref_count_list); + break; + } + } + rt->gc_phase = JS_GC_PHASE_NONE; + + list_for_each_safe(el, el1, &rt->gc_zero_ref_count_list) { + p = list_entry(el, JSGCObjectHeader, link); + assert(p->gc_obj_type == JS_GC_OBJ_TYPE_JS_OBJECT || + p->gc_obj_type == JS_GC_OBJ_TYPE_FUNCTION_BYTECODE); + js_free_rt(rt, p); + } + + init_list_head(&rt->gc_zero_ref_count_list); +} + +void JS_RunGC(JSRuntime *rt) +{ + /* decrement the reference of the children of each object. mark = + 1 after this pass. */ + gc_decref(rt); + + /* keep the GC objects with a non zero refcount and their childs */ + gc_scan(rt); + + /* free the GC objects in a cycle */ + gc_free_cycles(rt); +} + +/* Return false if not an object or if the object has already been + freed (zombie objects are visible in finalizers when freeing + cycles). */ +BOOL JS_IsLiveObject(JSRuntime *rt, JSValueConst obj) +{ + JSObject *p; + if (!JS_IsObject(obj)) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + return !p->free_mark; +} + +/* Compute memory used by various object types */ +/* XXX: poor man's approach to handling multiply referenced objects */ +typedef struct JSMemoryUsage_helper { + double memory_used_count; + double str_count; + double str_size; + int64_t js_func_count; + double js_func_size; + int64_t js_func_code_size; + int64_t js_func_pc2line_count; + int64_t js_func_pc2line_size; +} JSMemoryUsage_helper; + +static void compute_value_size(JSValueConst val, JSMemoryUsage_helper *hp); + +static void compute_jsstring_size(JSString *str, JSMemoryUsage_helper *hp) +{ + if (!str->atom_type) { /* atoms are handled separately */ + double s_ref_count = str->header.ref_count; + hp->str_count += 1 / s_ref_count; + hp->str_size += ((sizeof(*str) + (str->len << str->is_wide_char) + + 1 - str->is_wide_char) / s_ref_count); + } +} + +static void compute_bytecode_size(JSFunctionBytecode *b, JSMemoryUsage_helper *hp) +{ + int memory_used_count, js_func_size, i; + + memory_used_count = 0; + js_func_size = offsetof(JSFunctionBytecode, debug); + if (b->vardefs) { + js_func_size += (b->arg_count + b->var_count) * sizeof(*b->vardefs); + } + if (b->cpool) { + js_func_size += b->cpool_count * sizeof(*b->cpool); + for (i = 0; i < b->cpool_count; i++) { + JSValueConst val = b->cpool[i]; + compute_value_size(val, hp); + } + } + if (b->closure_var) { + js_func_size += b->closure_var_count * sizeof(*b->closure_var); + } + if (!b->read_only_bytecode && b->byte_code_buf) { + hp->js_func_code_size += b->byte_code_len; + } + if (b->has_debug) { + js_func_size += sizeof(*b) - offsetof(JSFunctionBytecode, debug); + if (b->debug.source) { + memory_used_count++; + js_func_size += b->debug.source_len + 1; + } + if (b->debug.pc2line_len) { + memory_used_count++; + hp->js_func_pc2line_count += 1; + hp->js_func_pc2line_size += b->debug.pc2line_len; + } + } + hp->js_func_size += js_func_size; + hp->js_func_count += 1; + hp->memory_used_count += memory_used_count; +} + +static void compute_value_size(JSValueConst val, JSMemoryUsage_helper *hp) +{ + switch(JS_VALUE_GET_TAG(val)) { + case JS_TAG_STRING: + compute_jsstring_size(JS_VALUE_GET_STRING(val), hp); + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + case JS_TAG_BIG_DECIMAL: + /* should track JSBigFloat usage */ + break; +#endif + } +} + +void JS_ComputeMemoryUsage(JSRuntime *rt, JSMemoryUsage *s) +{ + struct list_head *el, *el1; + int i; + JSMemoryUsage_helper mem = { 0 }, *hp = &mem; + + memset(s, 0, sizeof(*s)); + s->malloc_count = rt->malloc_state.malloc_count; + s->malloc_size = rt->malloc_state.malloc_size; + s->malloc_limit = rt->malloc_state.malloc_limit; + + s->memory_used_count = 2; /* rt + rt->class_array */ + s->memory_used_size = sizeof(JSRuntime) + sizeof(JSValue) * rt->class_count; + + list_for_each(el, &rt->context_list) { + JSContext *ctx = list_entry(el, JSContext, link); + JSShape *sh = ctx->array_shape; + s->memory_used_count += 2; /* ctx + ctx->class_proto */ + s->memory_used_size += sizeof(JSContext) + + sizeof(JSValue) * rt->class_count; + s->binary_object_count += ctx->binary_object_count; + s->binary_object_size += ctx->binary_object_size; + + /* the hashed shapes are counted separately */ + if (sh && !sh->is_hashed) { + int hash_size = sh->prop_hash_mask + 1; + s->shape_count++; + s->shape_size += get_shape_size(hash_size, sh->prop_size); + } + list_for_each(el1, &ctx->loaded_modules) { + JSModuleDef *m = list_entry(el1, JSModuleDef, link); + s->memory_used_count += 1; + s->memory_used_size += sizeof(*m); + if (m->req_module_entries) { + s->memory_used_count += 1; + s->memory_used_size += m->req_module_entries_count * sizeof(*m->req_module_entries); + } + if (m->export_entries) { + s->memory_used_count += 1; + s->memory_used_size += m->export_entries_count * sizeof(*m->export_entries); + for (i = 0; i < m->export_entries_count; i++) { + JSExportEntry *me = &m->export_entries[i]; + if (me->export_type == JS_EXPORT_TYPE_LOCAL && me->u.local.var_ref) { + /* potential multiple count */ + s->memory_used_count += 1; + compute_value_size(me->u.local.var_ref->value, hp); + } + } + } + if (m->star_export_entries) { + s->memory_used_count += 1; + s->memory_used_size += m->star_export_entries_count * sizeof(*m->star_export_entries); + } + if (m->import_entries) { + s->memory_used_count += 1; + s->memory_used_size += m->import_entries_count * sizeof(*m->import_entries); + } + compute_value_size(m->module_ns, hp); + compute_value_size(m->func_obj, hp); + } + } + + list_for_each(el, &rt->gc_obj_list) { + JSGCObjectHeader *gp = list_entry(el, JSGCObjectHeader, link); + JSObject *p; + JSShape *sh; + JSShapeProperty *prs; + + /* XXX: could count the other GC object types too */ + if (gp->gc_obj_type == JS_GC_OBJ_TYPE_FUNCTION_BYTECODE) { + compute_bytecode_size((JSFunctionBytecode *)gp, hp); + continue; + } else if (gp->gc_obj_type != JS_GC_OBJ_TYPE_JS_OBJECT) { + continue; + } + p = (JSObject *)gp; + sh = p->shape; + s->obj_count++; + if (p->prop) { + s->memory_used_count++; + s->prop_size += sh->prop_size * sizeof(*p->prop); + s->prop_count += sh->prop_count; + prs = get_shape_prop(sh); + for(i = 0; i < sh->prop_count; i++) { + JSProperty *pr = &p->prop[i]; + if (prs->atom != JS_ATOM_NULL && !(prs->flags & JS_PROP_TMASK)) { + compute_value_size(pr->u.value, hp); + } + prs++; + } + } + /* the hashed shapes are counted separately */ + if (!sh->is_hashed) { + int hash_size = sh->prop_hash_mask + 1; + s->shape_count++; + s->shape_size += get_shape_size(hash_size, sh->prop_size); + } + + switch(p->class_id) { + case JS_CLASS_ARRAY: /* u.array | length */ + case JS_CLASS_ARGUMENTS: /* u.array | length */ + s->array_count++; + if (p->fast_array) { + s->fast_array_count++; + if (p->u.array.u.values) { + s->memory_used_count++; + s->memory_used_size += p->u.array.count * + sizeof(*p->u.array.u.values); + s->fast_array_elements += p->u.array.count; + for (i = 0; i < p->u.array.count; i++) { + compute_value_size(p->u.array.u.values[i], hp); + } + } + } + break; + case JS_CLASS_NUMBER: /* u.object_data */ + case JS_CLASS_STRING: /* u.object_data */ + case JS_CLASS_BOOLEAN: /* u.object_data */ + case JS_CLASS_SYMBOL: /* u.object_data */ + case JS_CLASS_DATE: /* u.object_data */ +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT: /* u.object_data */ + case JS_CLASS_BIG_FLOAT: /* u.object_data */ + case JS_CLASS_BIG_DECIMAL: /* u.object_data */ +#endif + compute_value_size(p->u.object_data, hp); + break; + case JS_CLASS_C_FUNCTION: /* u.cfunc */ + s->c_func_count++; + break; + case JS_CLASS_BYTECODE_FUNCTION: /* u.func */ + { + JSFunctionBytecode *b = p->u.func.function_bytecode; + JSVarRef **var_refs = p->u.func.var_refs; + /* home_object: object will be accounted for in list scan */ + if (var_refs) { + s->memory_used_count++; + s->js_func_size += b->closure_var_count * sizeof(*var_refs); + for (i = 0; i < b->closure_var_count; i++) { + if (var_refs[i]) { + double ref_count = var_refs[i]->header.ref_count; + s->memory_used_count += 1 / ref_count; + s->js_func_size += sizeof(*var_refs[i]) / ref_count; + /* handle non object closed values */ + if (var_refs[i]->pvalue == &var_refs[i]->value) { + /* potential multiple count */ + compute_value_size(var_refs[i]->value, hp); + } + } + } + } + } + break; + case JS_CLASS_BOUND_FUNCTION: /* u.bound_function */ + { + JSBoundFunction *bf = p->u.bound_function; + /* func_obj and this_val are objects */ + for (i = 0; i < bf->argc; i++) { + compute_value_size(bf->argv[i], hp); + } + s->memory_used_count += 1; + s->memory_used_size += sizeof(*bf) + bf->argc * sizeof(*bf->argv); + } + break; + case JS_CLASS_C_FUNCTION_DATA: /* u.c_function_data_record */ + { + JSCFunctionDataRecord *fd = p->u.c_function_data_record; + if (fd) { + for (i = 0; i < fd->data_len; i++) { + compute_value_size(fd->data[i], hp); + } + s->memory_used_count += 1; + s->memory_used_size += sizeof(*fd) + fd->data_len * sizeof(*fd->data); + } + } + break; + case JS_CLASS_REGEXP: /* u.regexp */ + compute_jsstring_size(p->u.regexp.pattern, hp); + compute_jsstring_size(p->u.regexp.bytecode, hp); + break; + + case JS_CLASS_FOR_IN_ITERATOR: /* u.for_in_iterator */ + { + JSForInIterator *it = p->u.for_in_iterator; + if (it) { + compute_value_size(it->obj, hp); + s->memory_used_count += 1; + s->memory_used_size += sizeof(*it); + } + } + break; + case JS_CLASS_ARRAY_BUFFER: /* u.array_buffer */ + case JS_CLASS_SHARED_ARRAY_BUFFER: /* u.array_buffer */ + { + JSArrayBuffer *abuf = p->u.array_buffer; + if (abuf) { + s->memory_used_count += 1; + s->memory_used_size += sizeof(*abuf); + if (abuf->data) { + s->memory_used_count += 1; + s->memory_used_size += abuf->byte_length; + } + } + } + break; + case JS_CLASS_GENERATOR: /* u.generator_data */ + case JS_CLASS_UINT8C_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_INT8_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_UINT8_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_INT16_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_UINT16_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_INT32_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_UINT32_ARRAY: /* u.typed_array / u.array */ +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT64_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_BIG_UINT64_ARRAY: /* u.typed_array / u.array */ +#endif + case JS_CLASS_FLOAT32_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_FLOAT64_ARRAY: /* u.typed_array / u.array */ + case JS_CLASS_DATAVIEW: /* u.typed_array */ +#ifdef CONFIG_BIGNUM + case JS_CLASS_FLOAT_ENV: /* u.float_env */ +#endif + case JS_CLASS_MAP: /* u.map_state */ + case JS_CLASS_SET: /* u.map_state */ + case JS_CLASS_WEAKMAP: /* u.map_state */ + case JS_CLASS_WEAKSET: /* u.map_state */ + case JS_CLASS_MAP_ITERATOR: /* u.map_iterator_data */ + case JS_CLASS_SET_ITERATOR: /* u.map_iterator_data */ + case JS_CLASS_ARRAY_ITERATOR: /* u.array_iterator_data */ + case JS_CLASS_STRING_ITERATOR: /* u.array_iterator_data */ + case JS_CLASS_PROXY: /* u.proxy_data */ + case JS_CLASS_PROMISE: /* u.promise_data */ + case JS_CLASS_PROMISE_RESOLVE_FUNCTION: /* u.promise_function_data */ + case JS_CLASS_PROMISE_REJECT_FUNCTION: /* u.promise_function_data */ + case JS_CLASS_ASYNC_FUNCTION_RESOLVE: /* u.async_function_data */ + case JS_CLASS_ASYNC_FUNCTION_REJECT: /* u.async_function_data */ + case JS_CLASS_ASYNC_FROM_SYNC_ITERATOR: /* u.async_from_sync_iterator_data */ + case JS_CLASS_ASYNC_GENERATOR: /* u.async_generator_data */ + /* TODO */ + default: + /* XXX: class definition should have an opaque block size */ + if (p->u.opaque) { + s->memory_used_count += 1; + } + break; + } + } + s->obj_size += s->obj_count * sizeof(JSObject); + + /* hashed shapes */ + s->memory_used_count++; /* rt->shape_hash */ + s->memory_used_size += sizeof(rt->shape_hash[0]) * rt->shape_hash_size; + for(i = 0; i < rt->shape_hash_size; i++) { + JSShape *sh; + for(sh = rt->shape_hash[i]; sh != NULL; sh = sh->shape_hash_next) { + int hash_size = sh->prop_hash_mask + 1; + s->shape_count++; + s->shape_size += get_shape_size(hash_size, sh->prop_size); + } + } + + /* atoms */ + s->memory_used_count += 2; /* rt->atom_array, rt->atom_hash */ + s->atom_count = rt->atom_count; + s->atom_size = sizeof(rt->atom_array[0]) * rt->atom_size + + sizeof(rt->atom_hash[0]) * rt->atom_hash_size; + for(i = 0; i < rt->atom_size; i++) { + JSAtomStruct *p = rt->atom_array[i]; + if (!atom_is_free(p)) { + s->atom_size += (sizeof(*p) + (p->len << p->is_wide_char) + + 1 - p->is_wide_char); + } + } + s->str_count = round(mem.str_count); + s->str_size = round(mem.str_size); + s->js_func_count = mem.js_func_count; + s->js_func_size = round(mem.js_func_size); + s->js_func_code_size = mem.js_func_code_size; + s->js_func_pc2line_count = mem.js_func_pc2line_count; + s->js_func_pc2line_size = mem.js_func_pc2line_size; + s->memory_used_count += round(mem.memory_used_count) + + s->atom_count + s->str_count + + s->obj_count + s->shape_count + + s->js_func_count + s->js_func_pc2line_count; + s->memory_used_size += s->atom_size + s->str_size + + s->obj_size + s->prop_size + s->shape_size + + s->js_func_size + s->js_func_code_size + s->js_func_pc2line_size; +} + +void JS_DumpMemoryUsage(FILE *fp, const JSMemoryUsage *s, JSRuntime *rt) +{ + fprintf(fp, "QuickJS memory usage -- " +#ifdef CONFIG_BIGNUM + "BigNum " +#endif + CONFIG_VERSION " version, %d-bit, malloc limit: %"PRId64"\n\n", + (int)sizeof(void *) * 8, (int64_t)(ssize_t)s->malloc_limit); +#if 1 + if (rt) { + static const struct { + const char *name; + size_t size; + } object_types[] = { + { "JSRuntime", sizeof(JSRuntime) }, + { "JSContext", sizeof(JSContext) }, + { "JSObject", sizeof(JSObject) }, + { "JSString", sizeof(JSString) }, + { "JSFunctionBytecode", sizeof(JSFunctionBytecode) }, + }; + int i, usage_size_ok = 0; + for(i = 0; i < countof(object_types); i++) { + unsigned int size = object_types[i].size; + void *p = js_malloc_rt(rt, size); + if (p) { + unsigned int size1 = js_malloc_usable_size_rt(rt, p); + if (size1 >= size) { + usage_size_ok = 1; + fprintf(fp, " %3u + %-2u %s\n", + size, size1 - size, object_types[i].name); + } + js_free_rt(rt, p); + } + } + if (!usage_size_ok) { + fprintf(fp, " malloc_usable_size unavailable\n"); + } + { + int obj_classes[JS_CLASS_INIT_COUNT + 1] = { 0 }; + int class_id; + struct list_head *el; + list_for_each(el, &rt->gc_obj_list) { + JSGCObjectHeader *gp = list_entry(el, JSGCObjectHeader, link); + JSObject *p; + if (gp->gc_obj_type == JS_GC_OBJ_TYPE_JS_OBJECT) { + p = (JSObject *)gp; + obj_classes[min_uint32(p->class_id, JS_CLASS_INIT_COUNT)]++; + } + } + fprintf(fp, "\n" "JSObject classes\n"); + if (obj_classes[0]) + fprintf(fp, " %5d %2.0d %s\n", obj_classes[0], 0, "none"); + for (class_id = 1; class_id < JS_CLASS_INIT_COUNT; class_id++) { + if (obj_classes[class_id]) { + char buf[ATOM_GET_STR_BUF_SIZE]; + fprintf(fp, " %5d %2.0d %s\n", obj_classes[class_id], class_id, + JS_AtomGetStrRT(rt, buf, sizeof(buf), js_std_class_def[class_id - 1].class_name)); + } + } + if (obj_classes[JS_CLASS_INIT_COUNT]) + fprintf(fp, " %5d %2.0d %s\n", obj_classes[JS_CLASS_INIT_COUNT], 0, "other"); + } + fprintf(fp, "\n"); + } +#endif + fprintf(fp, "%-20s %8s %8s\n", "NAME", "COUNT", "SIZE"); + + if (s->malloc_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per block)\n", + "memory allocated", s->malloc_count, s->malloc_size, + (double)s->malloc_size / s->malloc_count); + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%d overhead, %0.1f average slack)\n", + "memory used", s->memory_used_count, s->memory_used_size, + MALLOC_OVERHEAD, ((double)(s->malloc_size - s->memory_used_size) / + s->memory_used_count)); + } + if (s->atom_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per atom)\n", + "atoms", s->atom_count, s->atom_size, + (double)s->atom_size / s->atom_count); + } + if (s->str_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per string)\n", + "strings", s->str_count, s->str_size, + (double)s->str_size / s->str_count); + } + if (s->obj_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per object)\n", + "objects", s->obj_count, s->obj_size, + (double)s->obj_size / s->obj_count); + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per object)\n", + " properties", s->prop_count, s->prop_size, + (double)s->prop_count / s->obj_count); + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per shape)\n", + " shapes", s->shape_count, s->shape_size, + (double)s->shape_size / s->shape_count); + } + if (s->js_func_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64"\n", + "bytecode functions", s->js_func_count, s->js_func_size); + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per function)\n", + " bytecode", s->js_func_count, s->js_func_code_size, + (double)s->js_func_code_size / s->js_func_count); + if (s->js_func_pc2line_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per function)\n", + " pc2line", s->js_func_pc2line_count, + s->js_func_pc2line_size, + (double)s->js_func_pc2line_size / s->js_func_pc2line_count); + } + } + if (s->c_func_count) { + fprintf(fp, "%-20s %8"PRId64"\n", "C functions", s->c_func_count); + } + if (s->array_count) { + fprintf(fp, "%-20s %8"PRId64"\n", "arrays", s->array_count); + if (s->fast_array_count) { + fprintf(fp, "%-20s %8"PRId64"\n", " fast arrays", s->fast_array_count); + fprintf(fp, "%-20s %8"PRId64" %8"PRId64" (%0.1f per fast array)\n", + " elements", s->fast_array_elements, + s->fast_array_elements * (int)sizeof(JSValue), + (double)s->fast_array_elements / s->fast_array_count); + } + } + if (s->binary_object_count) { + fprintf(fp, "%-20s %8"PRId64" %8"PRId64"\n", + "binary objects", s->binary_object_count, s->binary_object_size); + } +} + +JSValue JS_GetGlobalObject(JSContext *ctx) +{ + return JS_DupValue(ctx, ctx->global_obj); +} + +/* WARNING: obj is freed */ +JSValue JS_Throw(JSContext *ctx, JSValue obj) +{ + JSRuntime *rt = ctx->rt; + JS_FreeValue(ctx, rt->current_exception); + rt->current_exception = obj; + return JS_EXCEPTION; +} + +/* return the pending exception (cannot be called twice). */ +JSValue JS_GetException(JSContext *ctx) +{ + JSValue val; + JSRuntime *rt = ctx->rt; + val = rt->current_exception; + rt->current_exception = JS_NULL; + return val; +} + +static void dbuf_put_leb128(DynBuf *s, uint32_t v) +{ + uint32_t a; + for(;;) { + a = v & 0x7f; + v >>= 7; + if (v != 0) { + dbuf_putc(s, a | 0x80); + } else { + dbuf_putc(s, a); + break; + } + } +} + +static void dbuf_put_sleb128(DynBuf *s, int32_t v1) +{ + uint32_t v = v1; + dbuf_put_leb128(s, (2 * v) ^ -(v >> 31)); +} + +static int get_leb128(uint32_t *pval, const uint8_t *buf, + const uint8_t *buf_end) +{ + const uint8_t *ptr = buf; + uint32_t v, a, i; + v = 0; + for(i = 0; i < 5; i++) { + if (unlikely(ptr >= buf_end)) + break; + a = *ptr++; + v |= (a & 0x7f) << (i * 7); + if (!(a & 0x80)) { + *pval = v; + return ptr - buf; + } + } + *pval = 0; + return -1; +} + +static int get_sleb128(int32_t *pval, const uint8_t *buf, + const uint8_t *buf_end) +{ + int ret; + uint32_t val; + ret = get_leb128(&val, buf, buf_end); + if (ret < 0) { + *pval = 0; + return -1; + } + *pval = (val >> 1) ^ -(val & 1); + return ret; +} + +static int find_line_num(JSContext *ctx, JSFunctionBytecode *b, + uint32_t pc_value) +{ + const uint8_t *p_end, *p; + int new_line_num, line_num, pc, v, ret; + unsigned int op; + + if (!b->has_debug || !b->debug.pc2line_buf) { + /* function was stripped */ + return -1; + } + + p = b->debug.pc2line_buf; + p_end = p + b->debug.pc2line_len; + pc = 0; + line_num = b->debug.line_num; + while (p < p_end) { + op = *p++; + if (op == 0) { + uint32_t val; + ret = get_leb128(&val, p, p_end); + if (ret < 0) + goto fail; + pc += val; + p += ret; + ret = get_sleb128(&v, p, p_end); + if (ret < 0) { + fail: + /* should never happen */ + return b->debug.line_num; + } + p += ret; + new_line_num = line_num + v; + } else { + op -= PC2LINE_OP_FIRST; + pc += (op / PC2LINE_RANGE); + new_line_num = line_num + (op % PC2LINE_RANGE) + PC2LINE_BASE; + } + if (pc_value < pc) + return line_num; + line_num = new_line_num; + } + return line_num; +} + +/* in order to avoid executing arbitrary code during the stack trace + generation, we only look at simple 'name' properties containing a + string. */ +static const char *get_func_name(JSContext *ctx, JSValueConst func) +{ + JSProperty *pr; + JSShapeProperty *prs; + JSValueConst val; + + if (JS_VALUE_GET_TAG(func) != JS_TAG_OBJECT) + return NULL; + prs = find_own_property(&pr, JS_VALUE_GET_OBJ(func), JS_ATOM_name); + if (!prs) + return NULL; + if ((prs->flags & JS_PROP_TMASK) != JS_PROP_NORMAL) + return NULL; + val = pr->u.value; + if (JS_VALUE_GET_TAG(val) != JS_TAG_STRING) + return NULL; + return JS_ToCString(ctx, val); +} + +#define JS_BACKTRACE_FLAG_SKIP_FIRST_LEVEL (1 << 0) +/* only taken into account if filename is provided */ +#define JS_BACKTRACE_FLAG_SINGLE_LEVEL (1 << 1) + +/* if filename != NULL, an additional level is added with the filename + and line number information (used for parse error). */ +static void build_backtrace(JSContext *ctx, JSValueConst error_obj, + const char *filename, int line_num, + int backtrace_flags) +{ + JSStackFrame *sf; + JSValue str; + DynBuf dbuf; + const char *func_name_str; + const char *str1; + JSObject *p; + BOOL backtrace_barrier; + + js_dbuf_init(ctx, &dbuf); + if (filename) { + dbuf_printf(&dbuf, " at %s", filename); + if (line_num != -1) + dbuf_printf(&dbuf, ":%d", line_num); + dbuf_putc(&dbuf, '\n'); + str = JS_NewString(ctx, filename); + JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_fileName, str, + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_lineNumber, JS_NewInt32(ctx, line_num), + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + if (backtrace_flags & JS_BACKTRACE_FLAG_SINGLE_LEVEL) + goto done; + } + for(sf = ctx->rt->current_stack_frame; sf != NULL; sf = sf->prev_frame) { + if (backtrace_flags & JS_BACKTRACE_FLAG_SKIP_FIRST_LEVEL) { + backtrace_flags &= ~JS_BACKTRACE_FLAG_SKIP_FIRST_LEVEL; + continue; + } + func_name_str = get_func_name(ctx, sf->cur_func); + if (!func_name_str || func_name_str[0] == '\0') + str1 = ""; + else + str1 = func_name_str; + dbuf_printf(&dbuf, " at %s", str1); + JS_FreeCString(ctx, func_name_str); + + p = JS_VALUE_GET_OBJ(sf->cur_func); + backtrace_barrier = FALSE; + if (js_class_has_bytecode(p->class_id)) { + JSFunctionBytecode *b; + const char *atom_str; + int line_num1; + + b = p->u.func.function_bytecode; + backtrace_barrier = b->backtrace_barrier; + if (b->has_debug) { + line_num1 = find_line_num(ctx, b, + sf->cur_pc - b->byte_code_buf - 1); + atom_str = JS_AtomToCString(ctx, b->debug.filename); + dbuf_printf(&dbuf, " (%s", + atom_str ? atom_str : ""); + JS_FreeCString(ctx, atom_str); + if (line_num1 != -1) + dbuf_printf(&dbuf, ":%d", line_num1); + dbuf_putc(&dbuf, ')'); + } + } else { + dbuf_printf(&dbuf, " (native)"); + } + dbuf_putc(&dbuf, '\n'); + /* stop backtrace if JS_EVAL_FLAG_BACKTRACE_BARRIER was used */ + if (backtrace_barrier) + break; + } + done: + dbuf_putc(&dbuf, '\0'); + if (dbuf_error(&dbuf)) + str = JS_NULL; + else + str = JS_NewString(ctx, (char *)dbuf.buf); + dbuf_free(&dbuf); + JS_DefinePropertyValue(ctx, error_obj, JS_ATOM_stack, str, + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); +} + +/* Note: it is important that no exception is returned by this function */ +static BOOL is_backtrace_needed(JSContext *ctx, JSValueConst obj) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + if (p->class_id != JS_CLASS_ERROR) + return FALSE; + if (find_own_property1(p, JS_ATOM_stack)) + return FALSE; + return TRUE; +} + +JSValue JS_NewError(JSContext *ctx) +{ + return JS_NewObjectClass(ctx, JS_CLASS_ERROR); +} + +static JSValue JS_ThrowError2(JSContext *ctx, JSErrorEnum error_num, + const char *fmt, va_list ap, BOOL add_backtrace) +{ + char buf[256]; + JSValue obj, ret; + + vsnprintf(buf, sizeof(buf), fmt, ap); + obj = JS_NewObjectProtoClass(ctx, ctx->native_error_proto[error_num], + JS_CLASS_ERROR); + if (unlikely(JS_IsException(obj))) { + /* out of memory: throw JS_NULL to avoid recursing */ + obj = JS_NULL; + } else { + JS_DefinePropertyValue(ctx, obj, JS_ATOM_message, + JS_NewString(ctx, buf), + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + } + if (add_backtrace) { + build_backtrace(ctx, obj, NULL, 0, 0); + } + ret = JS_Throw(ctx, obj); + return ret; +} + +static JSValue JS_ThrowError(JSContext *ctx, JSErrorEnum error_num, + const char *fmt, va_list ap) +{ + JSRuntime *rt = ctx->rt; + JSStackFrame *sf; + BOOL add_backtrace; + + /* the backtrace is added later if called from a bytecode function */ + sf = rt->current_stack_frame; + add_backtrace = !rt->in_out_of_memory && + (!sf || (JS_GetFunctionBytecode(sf->cur_func) == NULL)); + return JS_ThrowError2(ctx, error_num, fmt, ap, add_backtrace); +} + +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowSyntaxError(JSContext *ctx, const char *fmt, ...) +{ + JSValue val; + va_list ap; + + va_start(ap, fmt); + val = JS_ThrowError(ctx, JS_SYNTAX_ERROR, fmt, ap); + va_end(ap); + return val; +} + +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowTypeError(JSContext *ctx, const char *fmt, ...) +{ + JSValue val; + va_list ap; + + va_start(ap, fmt); + val = JS_ThrowError(ctx, JS_TYPE_ERROR, fmt, ap); + va_end(ap); + return val; +} + +static int __attribute__((format(printf, 3, 4))) JS_ThrowTypeErrorOrFalse(JSContext *ctx, int flags, const char *fmt, ...) +{ + va_list ap; + + if ((flags & JS_PROP_THROW) || + ((flags & JS_PROP_THROW_STRICT) && is_strict_mode(ctx))) { + va_start(ap, fmt); + JS_ThrowError(ctx, JS_TYPE_ERROR, fmt, ap); + va_end(ap); + return -1; + } else { + return FALSE; + } +} + +/* never use it directly */ +static JSValue __attribute__((format(printf, 3, 4))) __JS_ThrowTypeErrorAtom(JSContext *ctx, JSAtom atom, const char *fmt, ...) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + return JS_ThrowTypeError(ctx, fmt, + JS_AtomGetStr(ctx, buf, sizeof(buf), atom)); +} + +/* never use it directly */ +static JSValue __attribute__((format(printf, 3, 4))) __JS_ThrowSyntaxErrorAtom(JSContext *ctx, JSAtom atom, const char *fmt, ...) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + return JS_ThrowSyntaxError(ctx, fmt, + JS_AtomGetStr(ctx, buf, sizeof(buf), atom)); +} + +/* %s is replaced by 'atom'. The macro is used so that gcc can check + the format string. */ +#define JS_ThrowTypeErrorAtom(ctx, fmt, atom) __JS_ThrowTypeErrorAtom(ctx, atom, fmt, "") +#define JS_ThrowSyntaxErrorAtom(ctx, fmt, atom) __JS_ThrowSyntaxErrorAtom(ctx, atom, fmt, "") + +static int JS_ThrowTypeErrorReadOnly(JSContext *ctx, int flags, JSAtom atom) +{ + if ((flags & JS_PROP_THROW) || + ((flags & JS_PROP_THROW_STRICT) && is_strict_mode(ctx))) { + JS_ThrowTypeErrorAtom(ctx, "'%s' is read-only", atom); + return -1; + } else { + return FALSE; + } +} + +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowReferenceError(JSContext *ctx, const char *fmt, ...) +{ + JSValue val; + va_list ap; + + va_start(ap, fmt); + val = JS_ThrowError(ctx, JS_REFERENCE_ERROR, fmt, ap); + va_end(ap); + return val; +} + +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowRangeError(JSContext *ctx, const char *fmt, ...) +{ + JSValue val; + va_list ap; + + va_start(ap, fmt); + val = JS_ThrowError(ctx, JS_RANGE_ERROR, fmt, ap); + va_end(ap); + return val; +} + +JSValue __attribute__((format(printf, 2, 3))) JS_ThrowInternalError(JSContext *ctx, const char *fmt, ...) +{ + JSValue val; + va_list ap; + + va_start(ap, fmt); + val = JS_ThrowError(ctx, JS_INTERNAL_ERROR, fmt, ap); + va_end(ap); + return val; +} + +JSValue JS_ThrowOutOfMemory(JSContext *ctx) +{ + JSRuntime *rt = ctx->rt; + if (!rt->in_out_of_memory) { + rt->in_out_of_memory = TRUE; + JS_ThrowInternalError(ctx, "out of memory"); + rt->in_out_of_memory = FALSE; + } + return JS_EXCEPTION; +} + +static JSValue JS_ThrowStackOverflow(JSContext *ctx) +{ + return JS_ThrowInternalError(ctx, "stack overflow"); +} + +static JSValue JS_ThrowTypeErrorNotAnObject(JSContext *ctx) +{ + return JS_ThrowTypeError(ctx, "not an object"); +} + +static JSValue JS_ThrowTypeErrorNotASymbol(JSContext *ctx) +{ + return JS_ThrowTypeError(ctx, "not a symbol"); +} + +static JSValue JS_ThrowReferenceErrorNotDefined(JSContext *ctx, JSAtom name) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + return JS_ThrowReferenceError(ctx, "'%s' is not defined", + JS_AtomGetStr(ctx, buf, sizeof(buf), name)); +} + +static JSValue JS_ThrowReferenceErrorUninitialized(JSContext *ctx, JSAtom name) +{ + char buf[ATOM_GET_STR_BUF_SIZE]; + return JS_ThrowReferenceError(ctx, "%s is not initialized", + name == JS_ATOM_NULL ? "lexical variable" : + JS_AtomGetStr(ctx, buf, sizeof(buf), name)); +} + +static JSValue JS_ThrowTypeErrorInvalidClass(JSContext *ctx, int class_id) +{ + JSRuntime *rt = ctx->rt; + JSAtom name; + name = rt->class_array[class_id].class_name; + return JS_ThrowTypeErrorAtom(ctx, "%s object expected", name); +} + +static no_inline __exception int __js_poll_interrupts(JSContext *ctx) +{ + JSRuntime *rt = ctx->rt; + ctx->interrupt_counter = JS_INTERRUPT_COUNTER_INIT; + if (rt->interrupt_handler) { + if (rt->interrupt_handler(rt, rt->interrupt_opaque)) { + /* XXX: should set a specific flag to avoid catching */ + JS_ThrowInternalError(ctx, "interrupted"); + JS_SetUncatchableError(ctx, ctx->rt->current_exception, TRUE); + return -1; + } + } + return 0; +} + +static inline __exception int js_poll_interrupts(JSContext *ctx) +{ + if (unlikely(--ctx->interrupt_counter <= 0)) { + return __js_poll_interrupts(ctx); + } else { + return 0; + } +} + +/* return -1 (exception) or TRUE/FALSE */ +static int JS_SetPrototypeInternal(JSContext *ctx, JSValueConst obj, + JSValueConst proto_val, + BOOL throw_flag) +{ + JSObject *proto, *p, *p1; + JSShape *sh; + + if (throw_flag) { + if (JS_VALUE_GET_TAG(obj) == JS_TAG_NULL || + JS_VALUE_GET_TAG(obj) == JS_TAG_UNDEFINED) + goto not_obj; + } else { + if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) + goto not_obj; + } + p = JS_VALUE_GET_OBJ(obj); + if (JS_VALUE_GET_TAG(proto_val) != JS_TAG_OBJECT) { + if (JS_VALUE_GET_TAG(proto_val) != JS_TAG_NULL) { + not_obj: + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + proto = NULL; + } else { + proto = JS_VALUE_GET_OBJ(proto_val); + } + + if (throw_flag && JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) + return TRUE; + + if (unlikely(p->class_id == JS_CLASS_PROXY)) + return js_proxy_setPrototypeOf(ctx, obj, proto_val, throw_flag); + sh = p->shape; + if (sh->proto == proto) + return TRUE; + if (!p->extensible) { + if (throw_flag) { + JS_ThrowTypeError(ctx, "object is not extensible"); + return -1; + } else { + return FALSE; + } + } + if (proto) { + /* check if there is a cycle */ + p1 = proto; + do { + if (p1 == p) { + if (throw_flag) { + JS_ThrowTypeError(ctx, "circular prototype chain"); + return -1; + } else { + return FALSE; + } + } + /* Note: for Proxy objects, proto is NULL */ + p1 = p1->shape->proto; + } while (p1 != NULL); + JS_DupValue(ctx, proto_val); + } + + if (js_shape_prepare_update(ctx, p, NULL)) + return -1; + sh = p->shape; + if (sh->proto) + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, sh->proto)); + sh->proto = proto; + return TRUE; +} + +/* return -1 (exception) or TRUE/FALSE */ +int JS_SetPrototype(JSContext *ctx, JSValueConst obj, JSValueConst proto_val) +{ + return JS_SetPrototypeInternal(ctx, obj, proto_val, TRUE); +} + +/* Only works for primitive types, otherwise return JS_NULL. */ +static JSValueConst JS_GetPrototypePrimitive(JSContext *ctx, JSValueConst val) +{ + switch(JS_VALUE_GET_NORM_TAG(val)) { +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + val = ctx->class_proto[JS_CLASS_BIG_INT]; + break; + case JS_TAG_BIG_FLOAT: + val = ctx->class_proto[JS_CLASS_BIG_FLOAT]; + break; + case JS_TAG_BIG_DECIMAL: + val = ctx->class_proto[JS_CLASS_BIG_DECIMAL]; + break; +#endif + case JS_TAG_INT: + case JS_TAG_FLOAT64: + val = ctx->class_proto[JS_CLASS_NUMBER]; + break; + case JS_TAG_BOOL: + val = ctx->class_proto[JS_CLASS_BOOLEAN]; + break; + case JS_TAG_STRING: + val = ctx->class_proto[JS_CLASS_STRING]; + break; + case JS_TAG_SYMBOL: + val = ctx->class_proto[JS_CLASS_SYMBOL]; + break; + case JS_TAG_OBJECT: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + default: + val = JS_NULL; + break; + } + return val; +} + +/* Return an Object, JS_NULL or JS_EXCEPTION in case of Proxy object. */ +JSValue JS_GetPrototype(JSContext *ctx, JSValueConst obj) +{ + JSValue val; + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + JSObject *p; + p = JS_VALUE_GET_OBJ(obj); + if (unlikely(p->class_id == JS_CLASS_PROXY)) { + val = js_proxy_getPrototypeOf(ctx, obj); + } else { + p = p->shape->proto; + if (!p) + val = JS_NULL; + else + val = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + } + } else { + val = JS_DupValue(ctx, JS_GetPrototypePrimitive(ctx, obj)); + } + return val; +} + +static JSValue JS_GetPrototypeFree(JSContext *ctx, JSValue obj) +{ + JSValue obj1; + obj1 = JS_GetPrototype(ctx, obj); + JS_FreeValue(ctx, obj); + return obj1; +} + +/* return TRUE, FALSE or (-1) in case of exception */ +static int JS_OrdinaryIsInstanceOf(JSContext *ctx, JSValueConst val, + JSValueConst obj) +{ + JSValue obj_proto; + JSObject *proto; + const JSObject *p, *proto1; + BOOL ret; + + if (!JS_IsFunction(ctx, obj)) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + if (p->class_id == JS_CLASS_BOUND_FUNCTION) { + JSBoundFunction *s = p->u.bound_function; + return JS_IsInstanceOf(ctx, val, s->func_obj); + } + + /* Only explicitly boxed values are instances of constructors */ + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + obj_proto = JS_GetProperty(ctx, obj, JS_ATOM_prototype); + if (JS_VALUE_GET_TAG(obj_proto) != JS_TAG_OBJECT) { + if (!JS_IsException(obj_proto)) + JS_ThrowTypeError(ctx, "operand 'prototype' property is not an object"); + ret = -1; + goto done; + } + proto = JS_VALUE_GET_OBJ(obj_proto); + p = JS_VALUE_GET_OBJ(val); + for(;;) { + proto1 = p->shape->proto; + if (!proto1) { + /* slow case if proxy in the prototype chain */ + if (unlikely(p->class_id == JS_CLASS_PROXY)) { + JSValue obj1; + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, (JSObject *)p)); + for(;;) { + obj1 = JS_GetPrototypeFree(ctx, obj1); + if (JS_IsException(obj1)) { + ret = -1; + break; + } + if (JS_IsNull(obj1)) { + ret = FALSE; + break; + } + if (proto == JS_VALUE_GET_OBJ(obj1)) { + JS_FreeValue(ctx, obj1); + ret = TRUE; + break; + } + /* must check for timeout to avoid infinite loop */ + if (js_poll_interrupts(ctx)) { + JS_FreeValue(ctx, obj1); + ret = -1; + break; + } + } + } else { + ret = FALSE; + } + break; + } + p = proto1; + if (proto == p) { + ret = TRUE; + break; + } + } +done: + JS_FreeValue(ctx, obj_proto); + return ret; +} + +/* return TRUE, FALSE or (-1) in case of exception */ +int JS_IsInstanceOf(JSContext *ctx, JSValueConst val, JSValueConst obj) +{ + JSValue method; + + if (!JS_IsObject(obj)) + goto fail; + method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_hasInstance); + if (JS_IsException(method)) + return -1; + if (!JS_IsNull(method) && !JS_IsUndefined(method)) { + JSValue ret; + ret = JS_CallFree(ctx, method, obj, 1, &val); + return JS_ToBoolFree(ctx, ret); + } + + /* legacy case */ + if (!JS_IsFunction(ctx, obj)) { + fail: + JS_ThrowTypeError(ctx, "invalid 'instanceof' right operand"); + return -1; + } + return JS_OrdinaryIsInstanceOf(ctx, val, obj); +} + +typedef int JSAutoInitFunc(JSContext *ctx, JSObject *p, JSAtom atom, void *opaque); + +static JSAutoInitFunc *js_autoinit_func_table[] = { + js_instantiate_prototype, /* JS_AUTOINIT_ID_PROTOTYPE */ + js_module_ns_autoinit, /* JS_AUTOINIT_ID_MODULE_NS */ + JS_InstantiateFunctionListItem, /* JS_AUTOINIT_ID_PROP */ +}; + +static int JS_AutoInitProperty(JSContext *ctx, JSObject *p, JSAtom prop, + JSProperty *pr) +{ + int ret; + JSContext *realm; + JSAutoInitFunc *func; + + realm = js_autoinit_get_realm(pr); + func = js_autoinit_func_table[js_autoinit_get_id(pr)]; + ret = func(realm, p, prop, pr->u.init.opaque); + return ret; +} + +JSValue JS_GetPropertyInternal(JSContext *ctx, JSValueConst obj, + JSAtom prop, JSValueConst this_obj, + BOOL throw_ref_error) +{ + JSObject *p; + JSProperty *pr; + JSShapeProperty *prs; + uint32_t tag; + + tag = JS_VALUE_GET_TAG(obj); + if (unlikely(tag != JS_TAG_OBJECT)) { + switch(tag) { + case JS_TAG_NULL: + return JS_ThrowTypeErrorAtom(ctx, "cannot read property '%s' of null", prop); + case JS_TAG_UNDEFINED: + return JS_ThrowTypeErrorAtom(ctx, "cannot read property '%s' of undefined", prop); + case JS_TAG_EXCEPTION: + return JS_EXCEPTION; + case JS_TAG_STRING: + { + JSString *p1 = JS_VALUE_GET_STRING(obj); + if (__JS_AtomIsTaggedInt(prop)) { + uint32_t idx, ch; + idx = __JS_AtomToUInt32(prop); + if (idx < p1->len) { + if (p1->is_wide_char) + ch = p1->u.str16[idx]; + else + ch = p1->u.str8[idx]; + return js_new_string_char(ctx, ch); + } + } else if (prop == JS_ATOM_length) { + return JS_NewInt32(ctx, p1->len); + } + } + break; + default: + break; + } + /* cannot raise an exception */ + p = JS_VALUE_GET_OBJ(JS_GetPrototypePrimitive(ctx, obj)); + if (!p) + return JS_UNDEFINED; + } else { + p = JS_VALUE_GET_OBJ(obj); + } + + for(;;) { + prs = find_own_property(&pr, p, prop); + if (prs) { + /* found */ + if (unlikely(prs->flags & JS_PROP_TMASK)) { + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + if (unlikely(!pr->u.getset.getter)) { + return JS_UNDEFINED; + } else { + JSValue func = JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter); + /* Note: the field could be removed in the getter */ + func = JS_DupValue(ctx, func); + return JS_CallFree(ctx, func, this_obj, 0, NULL); + } + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + JSValue val = *pr->u.var_ref->pvalue; + if (unlikely(JS_IsUninitialized(val))) + return JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return JS_DupValue(ctx, val); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* Instantiate property and retry */ + if (JS_AutoInitProperty(ctx, p, prop, pr)) + return JS_EXCEPTION; + continue; + } + } else { + return JS_DupValue(ctx, pr->u.value); + } + } + if (unlikely(p->is_exotic)) { + /* exotic behaviors */ + if (p->fast_array) { + if (__JS_AtomIsTaggedInt(prop)) { + uint32_t idx = __JS_AtomToUInt32(prop); + if (idx < p->u.array.count) { + /* we avoid duplicating the code */ + return JS_GetPropertyUint32(ctx, JS_MKPTR(JS_TAG_OBJECT, p), idx); + } else if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + goto typed_array_oob; + } + } else if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + int ret; + ret = JS_AtomIsNumericIndex(ctx, prop); + if (ret != 0) { + if (ret < 0) + return JS_EXCEPTION; + typed_array_oob: + if (typed_array_is_detached(ctx, p)) + return JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + return JS_UNDEFINED; + } + } + } else { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em) { + if (em->get_property) { + JSValue obj1, retval; + /* XXX: should pass throw_ref_error */ + /* Note: if 'p' is a prototype, it can be + freed in the called function */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + retval = em->get_property(ctx, obj1, prop, this_obj); + JS_FreeValue(ctx, obj1); + return retval; + } + if (em->get_own_property) { + JSPropertyDescriptor desc; + int ret; + JSValue obj1; + + /* Note: if 'p' is a prototype, it can be + freed in the called function */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + ret = em->get_own_property(ctx, &desc, obj1, prop); + JS_FreeValue(ctx, obj1); + if (ret < 0) + return JS_EXCEPTION; + if (ret) { + if (desc.flags & JS_PROP_GETSET) { + JS_FreeValue(ctx, desc.setter); + return JS_CallFree(ctx, desc.getter, this_obj, 0, NULL); + } else { + return desc.value; + } + } + } + } + } + } + p = p->shape->proto; + if (!p) + break; + } + if (unlikely(throw_ref_error)) { + return JS_ThrowReferenceErrorNotDefined(ctx, prop); + } else { + return JS_UNDEFINED; + } +} + +static JSValue JS_ThrowTypeErrorPrivateNotFound(JSContext *ctx, JSAtom atom) +{ + return JS_ThrowTypeErrorAtom(ctx, "private class field '%s' does not exist", + atom); +} + +/* Private fields can be added even on non extensible objects or + Proxies */ +static int JS_DefinePrivateField(JSContext *ctx, JSValueConst obj, + JSValueConst name, JSValue val) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + JSAtom prop; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) { + JS_ThrowTypeErrorNotAnObject(ctx); + goto fail; + } + /* safety check */ + if (unlikely(JS_VALUE_GET_TAG(name) != JS_TAG_SYMBOL)) { + JS_ThrowTypeErrorNotASymbol(ctx); + goto fail; + } + prop = js_symbol_to_atom(ctx, (JSValue)name); + p = JS_VALUE_GET_OBJ(obj); + prs = find_own_property(&pr, p, prop); + if (prs) { + JS_ThrowTypeErrorAtom(ctx, "private class field '%s' already exists", + prop); + goto fail; + } + pr = add_property(ctx, p, prop, JS_PROP_C_W_E); + if (unlikely(!pr)) { + fail: + JS_FreeValue(ctx, val); + return -1; + } + pr->u.value = val; + return 0; +} + +static JSValue JS_GetPrivateField(JSContext *ctx, JSValueConst obj, + JSValueConst name) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + JSAtom prop; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) + return JS_ThrowTypeErrorNotAnObject(ctx); + /* safety check */ + if (unlikely(JS_VALUE_GET_TAG(name) != JS_TAG_SYMBOL)) + return JS_ThrowTypeErrorNotASymbol(ctx); + prop = js_symbol_to_atom(ctx, (JSValue)name); + p = JS_VALUE_GET_OBJ(obj); + prs = find_own_property(&pr, p, prop); + if (!prs) { + JS_ThrowTypeErrorPrivateNotFound(ctx, prop); + return JS_EXCEPTION; + } + return JS_DupValue(ctx, pr->u.value); +} + +static int JS_SetPrivateField(JSContext *ctx, JSValueConst obj, + JSValueConst name, JSValue val) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + JSAtom prop; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) { + JS_ThrowTypeErrorNotAnObject(ctx); + goto fail; + } + /* safety check */ + if (unlikely(JS_VALUE_GET_TAG(name) != JS_TAG_SYMBOL)) { + JS_ThrowTypeErrorNotASymbol(ctx); + goto fail; + } + prop = js_symbol_to_atom(ctx, (JSValue)name); + p = JS_VALUE_GET_OBJ(obj); + prs = find_own_property(&pr, p, prop); + if (!prs) { + JS_ThrowTypeErrorPrivateNotFound(ctx, prop); + fail: + JS_FreeValue(ctx, val); + return -1; + } + set_value(ctx, &pr->u.value, val); + return 0; +} + +static int JS_AddBrand(JSContext *ctx, JSValueConst obj, JSValueConst home_obj) +{ + JSObject *p, *p1; + JSShapeProperty *prs; + JSProperty *pr; + JSValue brand; + JSAtom brand_atom; + + if (unlikely(JS_VALUE_GET_TAG(home_obj) != JS_TAG_OBJECT)) { + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + p = JS_VALUE_GET_OBJ(home_obj); + prs = find_own_property(&pr, p, JS_ATOM_Private_brand); + if (!prs) { + brand = JS_NewSymbolFromAtom(ctx, JS_ATOM_brand, JS_ATOM_TYPE_PRIVATE); + if (JS_IsException(brand)) + return -1; + /* if the brand is not present, add it */ + pr = add_property(ctx, p, JS_ATOM_Private_brand, JS_PROP_C_W_E); + if (!pr) { + JS_FreeValue(ctx, brand); + return -1; + } + pr->u.value = JS_DupValue(ctx, brand); + } else { + brand = JS_DupValue(ctx, pr->u.value); + } + brand_atom = js_symbol_to_atom(ctx, brand); + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) { + JS_ThrowTypeErrorNotAnObject(ctx); + JS_FreeAtom(ctx, brand_atom); + return -1; + } + p1 = JS_VALUE_GET_OBJ(obj); + pr = add_property(ctx, p1, brand_atom, JS_PROP_C_W_E); + JS_FreeAtom(ctx, brand_atom); + if (!pr) + return -1; + pr->u.value = JS_UNDEFINED; + return 0; +} + +static int JS_CheckBrand(JSContext *ctx, JSValueConst obj, JSValueConst func) +{ + JSObject *p, *p1, *home_obj; + JSShapeProperty *prs; + JSProperty *pr; + JSValueConst brand; + + /* get the home object of 'func' */ + if (unlikely(JS_VALUE_GET_TAG(func) != JS_TAG_OBJECT)) { + not_obj: + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + p1 = JS_VALUE_GET_OBJ(func); + if (!js_class_has_bytecode(p1->class_id)) + goto not_obj; + home_obj = p1->u.func.home_object; + if (!home_obj) + goto not_obj; + prs = find_own_property(&pr, home_obj, JS_ATOM_Private_brand); + if (!prs) { + JS_ThrowTypeError(ctx, "expecting private field"); + return -1; + } + brand = pr->u.value; + /* safety check */ + if (unlikely(JS_VALUE_GET_TAG(brand) != JS_TAG_SYMBOL)) + goto not_obj; + + /* get the brand array of 'obj' */ + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) + goto not_obj; + p = JS_VALUE_GET_OBJ(obj); + prs = find_own_property(&pr, p, js_symbol_to_atom(ctx, (JSValue)brand)); + if (!prs) { + JS_ThrowTypeError(ctx, "invalid brand on object"); + return -1; + } + return 0; +} + +static int num_keys_cmp(const void *p1, const void *p2, void *opaque) +{ + JSContext *ctx = opaque; + JSAtom atom1 = ((const JSPropertyEnum *)p1)->atom; + JSAtom atom2 = ((const JSPropertyEnum *)p2)->atom; + uint32_t v1, v2; + BOOL atom1_is_integer, atom2_is_integer; + + atom1_is_integer = JS_AtomIsArrayIndex(ctx, &v1, atom1); + atom2_is_integer = JS_AtomIsArrayIndex(ctx, &v2, atom2); + assert(atom1_is_integer && atom2_is_integer); + if (v1 < v2) + return -1; + else if (v1 == v2) + return 0; + else + return 1; +} + +static void js_free_prop_enum(JSContext *ctx, JSPropertyEnum *tab, uint32_t len) +{ + uint32_t i; + if (tab) { + for(i = 0; i < len; i++) + JS_FreeAtom(ctx, tab[i].atom); + js_free(ctx, tab); + } +} + +/* return < 0 in case if exception, 0 if OK. ptab and its atoms must + be freed by the user. */ +static int __exception JS_GetOwnPropertyNamesInternal(JSContext *ctx, + JSPropertyEnum **ptab, + uint32_t *plen, + JSObject *p, int flags) +{ + int i, j; + JSShape *sh; + JSShapeProperty *prs; + JSPropertyEnum *tab_atom, *tab_exotic; + JSAtom atom; + uint32_t num_keys_count, str_keys_count, sym_keys_count, atom_count; + uint32_t num_index, str_index, sym_index, exotic_count; + BOOL is_enumerable, num_sorted; + uint32_t num_key; + JSAtomKindEnum kind; + + /* clear pointer for consistency in case of failure */ + *ptab = NULL; + *plen = 0; + + /* compute the number of returned properties */ + num_keys_count = 0; + str_keys_count = 0; + sym_keys_count = 0; + exotic_count = 0; + tab_exotic = NULL; + sh = p->shape; + for(i = 0, prs = get_shape_prop(sh); i < sh->prop_count; i++, prs++) { + atom = prs->atom; + if (atom != JS_ATOM_NULL) { + is_enumerable = ((prs->flags & JS_PROP_ENUMERABLE) != 0); + kind = JS_AtomGetKind(ctx, atom); + if ((!(flags & JS_GPN_ENUM_ONLY) || is_enumerable) && + ((flags >> kind) & 1) != 0) { + /* need to raise an exception in case of the module + name space (implicit GetOwnProperty) */ + if (unlikely((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) && + (flags & (JS_GPN_SET_ENUM | JS_GPN_ENUM_ONLY))) { + JSVarRef *var_ref = p->prop[i].u.var_ref; + if (unlikely(JS_IsUninitialized(*var_ref->pvalue))) { + JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return -1; + } + } + if (JS_AtomIsArrayIndex(ctx, &num_key, atom)) { + num_keys_count++; + } else if (kind == JS_ATOM_KIND_STRING) { + str_keys_count++; + } else { + sym_keys_count++; + } + } + } + } + + if (p->is_exotic) { + if (p->fast_array) { + /* the implicit GetOwnProperty raises an exception if the + typed array is detached */ + if ((flags & (JS_GPN_SET_ENUM | JS_GPN_ENUM_ONLY)) && + (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) && + typed_array_is_detached(ctx, p) && + typed_array_get_length(ctx, p) != 0) { + JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + return -1; + } + if (flags & JS_GPN_STRING_MASK) { + num_keys_count += p->u.array.count; + } + } else { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em && em->get_own_property_names) { + if (em->get_own_property_names(ctx, &tab_exotic, &exotic_count, + JS_MKPTR(JS_TAG_OBJECT, p))) + return -1; + for(i = 0; i < exotic_count; i++) { + atom = tab_exotic[i].atom; + kind = JS_AtomGetKind(ctx, atom); + if (((flags >> kind) & 1) != 0) { + is_enumerable = FALSE; + if (flags & (JS_GPN_SET_ENUM | JS_GPN_ENUM_ONLY)) { + JSPropertyDescriptor desc; + int res; + /* set the "is_enumerable" field if necessary */ + res = JS_GetOwnPropertyInternal(ctx, &desc, p, atom); + if (res < 0) { + js_free_prop_enum(ctx, tab_exotic, exotic_count); + return -1; + } + if (res) { + is_enumerable = + ((desc.flags & JS_PROP_ENUMERABLE) != 0); + js_free_desc(ctx, &desc); + } + tab_exotic[i].is_enumerable = is_enumerable; + } + if (!(flags & JS_GPN_ENUM_ONLY) || is_enumerable) { + if (JS_AtomIsArrayIndex(ctx, &num_key, atom)) { + num_keys_count++; + } else if (kind == JS_ATOM_KIND_STRING) { + str_keys_count++; + } else { + sym_keys_count++; + } + } + } + } + } + } + } + + /* fill them */ + + atom_count = num_keys_count + str_keys_count + sym_keys_count; + /* avoid allocating 0 bytes */ + tab_atom = js_malloc(ctx, sizeof(tab_atom[0]) * max_int(atom_count, 1)); + if (!tab_atom) { + js_free_prop_enum(ctx, tab_exotic, exotic_count); + return -1; + } + + num_index = 0; + str_index = num_keys_count; + sym_index = str_index + str_keys_count; + + num_sorted = TRUE; + sh = p->shape; + for(i = 0, prs = get_shape_prop(sh); i < sh->prop_count; i++, prs++) { + atom = prs->atom; + if (atom != JS_ATOM_NULL) { + is_enumerable = ((prs->flags & JS_PROP_ENUMERABLE) != 0); + kind = JS_AtomGetKind(ctx, atom); + if ((!(flags & JS_GPN_ENUM_ONLY) || is_enumerable) && + ((flags >> kind) & 1) != 0) { + if (JS_AtomIsArrayIndex(ctx, &num_key, atom)) { + j = num_index++; + num_sorted = FALSE; + } else if (kind == JS_ATOM_KIND_STRING) { + j = str_index++; + } else { + j = sym_index++; + } + tab_atom[j].atom = JS_DupAtom(ctx, atom); + tab_atom[j].is_enumerable = is_enumerable; + } + } + } + + if (p->is_exotic) { + if (p->fast_array) { + if (flags & JS_GPN_STRING_MASK) { + for(i = 0; i < p->u.array.count; i++) { + tab_atom[num_index].atom = __JS_AtomFromUInt32(i); + if (tab_atom[num_index].atom == JS_ATOM_NULL) { + js_free_prop_enum(ctx, tab_exotic, exotic_count); + js_free_prop_enum(ctx, tab_atom, num_index); + return -1; + } + tab_atom[num_index].is_enumerable = TRUE; + num_index++; + } + } + } + if (exotic_count > 0) { + for(i = 0; i < exotic_count; i++) { + atom = tab_exotic[i].atom; + is_enumerable = tab_exotic[i].is_enumerable; + kind = JS_AtomGetKind(ctx, atom); + if ((!(flags & JS_GPN_ENUM_ONLY) || is_enumerable) && + ((flags >> kind) & 1) != 0) { + if (JS_AtomIsArrayIndex(ctx, &num_key, atom)) { + j = num_index++; + num_sorted = FALSE; + } else if (kind == JS_ATOM_KIND_STRING) { + j = str_index++; + } else { + j = sym_index++; + } + tab_atom[j].atom = atom; + tab_atom[j].is_enumerable = is_enumerable; + } else { + JS_FreeAtom(ctx, atom); + } + } + } + js_free(ctx, tab_exotic); + } + + assert(num_index == num_keys_count); + assert(str_index == num_keys_count + str_keys_count); + assert(sym_index == atom_count); + + if (num_keys_count != 0 && !num_sorted) { + rqsort(tab_atom, num_keys_count, sizeof(tab_atom[0]), num_keys_cmp, + ctx); + } + *ptab = tab_atom; + *plen = atom_count; + return 0; +} + +int JS_GetOwnPropertyNames(JSContext *ctx, JSPropertyEnum **ptab, + uint32_t *plen, JSValueConst obj, int flags) +{ + if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) { + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + return JS_GetOwnPropertyNamesInternal(ctx, ptab, plen, + JS_VALUE_GET_OBJ(obj), flags); +} + +/* Return -1 if exception, + FALSE if the property does not exist, TRUE if it exists. If TRUE is + returned, the property descriptor 'desc' is filled present. */ +static int JS_GetOwnPropertyInternal(JSContext *ctx, JSPropertyDescriptor *desc, + JSObject *p, JSAtom prop) +{ + JSShapeProperty *prs; + JSProperty *pr; + +retry: + prs = find_own_property(&pr, p, prop); + if (prs) { + if (desc) { + desc->flags = prs->flags & JS_PROP_C_W_E; + desc->getter = JS_UNDEFINED; + desc->setter = JS_UNDEFINED; + desc->value = JS_UNDEFINED; + if (unlikely(prs->flags & JS_PROP_TMASK)) { + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + desc->flags |= JS_PROP_GETSET; + if (pr->u.getset.getter) + desc->getter = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter)); + if (pr->u.getset.setter) + desc->setter = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.setter)); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + JSValue val = *pr->u.var_ref->pvalue; + if (unlikely(JS_IsUninitialized(val))) { + JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return -1; + } + desc->value = JS_DupValue(ctx, val); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* Instantiate property and retry */ + if (JS_AutoInitProperty(ctx, p, prop, pr)) + return -1; + goto retry; + } + } else { + desc->value = JS_DupValue(ctx, pr->u.value); + } + } else { + /* for consistency, send the exception even if desc is NULL */ + if (unlikely((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF)) { + if (unlikely(JS_IsUninitialized(*pr->u.var_ref->pvalue))) { + JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return -1; + } + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* nothing to do: delay instantiation until actual value and/or attributes are read */ + } + } + return TRUE; + } + if (p->is_exotic) { + if (p->fast_array) { + /* specific case for fast arrays */ + if (__JS_AtomIsTaggedInt(prop)) { + uint32_t idx; + idx = __JS_AtomToUInt32(prop); + if (idx < p->u.array.count) { + if (desc) { + desc->flags = JS_PROP_WRITABLE | JS_PROP_ENUMERABLE; + if (p->class_id == JS_CLASS_ARRAY || + p->class_id == JS_CLASS_ARGUMENTS) + desc->flags |= JS_PROP_CONFIGURABLE; + desc->getter = JS_UNDEFINED; + desc->setter = JS_UNDEFINED; + desc->value = JS_GetPropertyUint32(ctx, JS_MKPTR(JS_TAG_OBJECT, p), idx); + } + return TRUE; + } + } + if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + int ret; + ret = JS_AtomIsNumericIndex(ctx, prop); + if (ret != 0) { + if (ret < 0) + return -1; + if (typed_array_is_detached(ctx, p)) { + JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + return -1; + } + } + } + } else { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em && em->get_own_property) { + return em->get_own_property(ctx, desc, + JS_MKPTR(JS_TAG_OBJECT, p), prop); + } + } + } + return FALSE; +} + +int JS_GetOwnProperty(JSContext *ctx, JSPropertyDescriptor *desc, + JSValueConst obj, JSAtom prop) +{ + if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) { + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + return JS_GetOwnPropertyInternal(ctx, desc, JS_VALUE_GET_OBJ(obj), prop); +} + +/* return -1 if exception (Proxy object only) or TRUE/FALSE */ +int JS_IsExtensible(JSContext *ctx, JSValueConst obj) +{ + JSObject *p; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + if (unlikely(p->class_id == JS_CLASS_PROXY)) + return js_proxy_isExtensible(ctx, obj); + else + return p->extensible; +} + +/* return -1 if exception (Proxy object only) or TRUE/FALSE */ +int JS_PreventExtensions(JSContext *ctx, JSValueConst obj) +{ + JSObject *p; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + if (unlikely(p->class_id == JS_CLASS_PROXY)) + return js_proxy_preventExtensions(ctx, obj); + p->extensible = FALSE; + return TRUE; +} + +/* return -1 if exception otherwise TRUE or FALSE */ +int JS_HasProperty(JSContext *ctx, JSValueConst obj, JSAtom prop) +{ + JSObject *p; + int ret; + JSValue obj1; + + if (unlikely(JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)) + return FALSE; + p = JS_VALUE_GET_OBJ(obj); + for(;;) { + if (p->is_exotic) { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em && em->has_property) { + /* has_property can free the prototype */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + ret = em->has_property(ctx, obj1, prop); + JS_FreeValue(ctx, obj1); + return ret; + } + } + /* JS_GetOwnPropertyInternal can free the prototype */ + JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + ret = JS_GetOwnPropertyInternal(ctx, NULL, p, prop); + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + if (ret != 0) + return ret; + if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + ret = JS_AtomIsNumericIndex(ctx, prop); + if (ret != 0) { + if (ret < 0) + return -1; + /* the detached array test was done in + JS_GetOwnPropertyInternal() */ + return FALSE; + } + } + p = p->shape->proto; + if (!p) + break; + } + return FALSE; +} + +/* val must be a symbol */ +static JSAtom js_symbol_to_atom(JSContext *ctx, JSValue val) +{ + JSAtomStruct *p = JS_VALUE_GET_PTR(val); + return js_get_atom_index(ctx->rt, p); +} + +/* return JS_ATOM_NULL in case of exception */ +JSAtom JS_ValueToAtom(JSContext *ctx, JSValueConst val) +{ + JSAtom atom; + uint32_t tag; + tag = JS_VALUE_GET_TAG(val); + if (tag == JS_TAG_INT && + (uint32_t)JS_VALUE_GET_INT(val) <= JS_ATOM_MAX_INT) { + /* fast path for integer values */ + atom = __JS_AtomFromUInt32(JS_VALUE_GET_INT(val)); + } else if (tag == JS_TAG_SYMBOL) { + JSAtomStruct *p = JS_VALUE_GET_PTR(val); + atom = JS_DupAtom(ctx, js_get_atom_index(ctx->rt, p)); + } else { + JSValue str; + str = JS_ToPropertyKey(ctx, val); + if (JS_IsException(str)) + return JS_ATOM_NULL; + if (JS_VALUE_GET_TAG(str) == JS_TAG_SYMBOL) { + atom = js_symbol_to_atom(ctx, str); + } else { + atom = JS_NewAtomStr(ctx, JS_VALUE_GET_STRING(str)); + } + } + return atom; +} + +static JSValue JS_GetPropertyValue(JSContext *ctx, JSValueConst this_obj, + JSValue prop) +{ + JSAtom atom; + JSValue ret; + + if (likely(JS_VALUE_GET_TAG(this_obj) == JS_TAG_OBJECT && + JS_VALUE_GET_TAG(prop) == JS_TAG_INT)) { + JSObject *p; + uint32_t idx, len; + /* fast path for array access */ + p = JS_VALUE_GET_OBJ(this_obj); + idx = JS_VALUE_GET_INT(prop); + len = (uint32_t)p->u.array.count; + if (unlikely(idx >= len)) + goto slow_path; + switch(p->class_id) { + case JS_CLASS_ARRAY: + case JS_CLASS_ARGUMENTS: + return JS_DupValue(ctx, p->u.array.u.values[idx]); + case JS_CLASS_INT8_ARRAY: + return JS_NewInt32(ctx, p->u.array.u.int8_ptr[idx]); + case JS_CLASS_UINT8C_ARRAY: + case JS_CLASS_UINT8_ARRAY: + return JS_NewInt32(ctx, p->u.array.u.uint8_ptr[idx]); + case JS_CLASS_INT16_ARRAY: + return JS_NewInt32(ctx, p->u.array.u.int16_ptr[idx]); + case JS_CLASS_UINT16_ARRAY: + return JS_NewInt32(ctx, p->u.array.u.uint16_ptr[idx]); + case JS_CLASS_INT32_ARRAY: + return JS_NewInt32(ctx, p->u.array.u.int32_ptr[idx]); + case JS_CLASS_UINT32_ARRAY: + return JS_NewUint32(ctx, p->u.array.u.uint32_ptr[idx]); +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT64_ARRAY: + return JS_NewBigInt64(ctx, p->u.array.u.int64_ptr[idx]); + case JS_CLASS_BIG_UINT64_ARRAY: + return JS_NewBigUint64(ctx, p->u.array.u.uint64_ptr[idx]); +#endif + case JS_CLASS_FLOAT32_ARRAY: + return __JS_NewFloat64(ctx, p->u.array.u.float_ptr[idx]); + case JS_CLASS_FLOAT64_ARRAY: + return __JS_NewFloat64(ctx, p->u.array.u.double_ptr[idx]); + default: + goto slow_path; + } + } else { + slow_path: + atom = JS_ValueToAtom(ctx, prop); + JS_FreeValue(ctx, prop); + if (unlikely(atom == JS_ATOM_NULL)) + return JS_EXCEPTION; + ret = JS_GetProperty(ctx, this_obj, atom); + JS_FreeAtom(ctx, atom); + return ret; + } +} + +JSValue JS_GetPropertyUint32(JSContext *ctx, JSValueConst this_obj, + uint32_t idx) +{ + return JS_GetPropertyValue(ctx, this_obj, JS_NewUint32(ctx, idx)); +} + +/* Check if an object has a generalized numeric property. Return value: + -1 for exception, + TRUE if property exists, stored into *pval, + FALSE if proprty does not exist. + */ +static int JS_TryGetPropertyInt64(JSContext *ctx, JSValueConst obj, int64_t idx, JSValue *pval) +{ + JSValue val = JS_UNDEFINED; + JSAtom prop; + int present; + + if (likely((uint64_t)idx <= JS_ATOM_MAX_INT)) { + /* fast path */ + present = JS_HasProperty(ctx, obj, __JS_AtomFromUInt32(idx)); + if (present > 0) { + val = JS_GetPropertyValue(ctx, obj, JS_NewInt32(ctx, idx)); + if (unlikely(JS_IsException(val))) + present = -1; + } + } else { + prop = JS_NewAtomInt64(ctx, idx); + present = -1; + if (likely(prop != JS_ATOM_NULL)) { + present = JS_HasProperty(ctx, obj, prop); + if (present > 0) { + val = JS_GetProperty(ctx, obj, prop); + if (unlikely(JS_IsException(val))) + present = -1; + } + JS_FreeAtom(ctx, prop); + } + } + *pval = val; + return present; +} + +static JSValue JS_GetPropertyInt64(JSContext *ctx, JSValueConst obj, int64_t idx) +{ + JSAtom prop; + JSValue val; + + if ((uint64_t)idx <= INT32_MAX) { + /* fast path for fast arrays */ + return JS_GetPropertyValue(ctx, obj, JS_NewInt32(ctx, idx)); + } + prop = JS_NewAtomInt64(ctx, idx); + if (prop == JS_ATOM_NULL) + return JS_EXCEPTION; + + val = JS_GetProperty(ctx, obj, prop); + JS_FreeAtom(ctx, prop); + return val; +} + +JSValue JS_GetPropertyStr(JSContext *ctx, JSValueConst this_obj, + const char *prop) +{ + JSAtom atom; + JSValue ret; + atom = JS_NewAtom(ctx, prop); + ret = JS_GetProperty(ctx, this_obj, atom); + JS_FreeAtom(ctx, atom); + return ret; +} + +/* Note: the property value is not initialized. Return NULL if memory + error. */ +static JSProperty *add_property(JSContext *ctx, + JSObject *p, JSAtom prop, int prop_flags) +{ + JSShape *sh, *new_sh; + + sh = p->shape; + if (sh->is_hashed) { + /* try to find an existing shape */ + new_sh = find_hashed_shape_prop(ctx->rt, sh, prop, prop_flags); + if (new_sh) { + /* matching shape found: use it */ + /* the property array may need to be resized */ + if (new_sh->prop_size != sh->prop_size) { + JSProperty *new_prop; + new_prop = js_realloc(ctx, p->prop, sizeof(p->prop[0]) * + new_sh->prop_size); + if (!new_prop) + return NULL; + p->prop = new_prop; + } + p->shape = js_dup_shape(new_sh); + js_free_shape(ctx->rt, sh); + return &p->prop[new_sh->prop_count - 1]; + } else if (sh->header.ref_count != 1) { + /* if the shape is shared, clone it */ + new_sh = js_clone_shape(ctx, sh); + if (!new_sh) + return NULL; + /* hash the cloned shape */ + new_sh->is_hashed = TRUE; + js_shape_hash_link(ctx->rt, new_sh); + js_free_shape(ctx->rt, p->shape); + p->shape = new_sh; + } + } + assert(p->shape->header.ref_count == 1); + if (add_shape_property(ctx, &p->shape, p, prop, prop_flags)) + return NULL; + return &p->prop[p->shape->prop_count - 1]; +} + +/* can be called on Array or Arguments objects. return < 0 if + memory alloc error. */ +static no_inline __exception int convert_fast_array_to_array(JSContext *ctx, + JSObject *p) +{ + JSProperty *pr; + JSShape *sh; + JSValue *tab; + uint32_t i, len, new_count; + + if (js_shape_prepare_update(ctx, p, NULL)) + return -1; + len = p->u.array.count; + /* resize the properties once to simplify the error handling */ + sh = p->shape; + new_count = sh->prop_count + len; + if (new_count > sh->prop_size) { + if (resize_properties(ctx, &p->shape, p, new_count)) + return -1; + } + + tab = p->u.array.u.values; + for(i = 0; i < len; i++) { + /* add_property cannot fail here but + __JS_AtomFromUInt32(i) fails for i > INT32_MAX */ + pr = add_property(ctx, p, __JS_AtomFromUInt32(i), JS_PROP_C_W_E); + pr->u.value = *tab++; + } + js_free(ctx, p->u.array.u.values); + p->u.array.count = 0; + p->u.array.u.values = NULL; /* fail safe */ + p->u.array.u1.size = 0; + p->fast_array = 0; + return 0; +} + +static int delete_property(JSContext *ctx, JSObject *p, JSAtom atom) +{ + JSShape *sh; + JSShapeProperty *pr, *lpr, *prop; + JSProperty *pr1; + uint32_t lpr_idx; + intptr_t h, h1; + + redo: + sh = p->shape; + h1 = atom & sh->prop_hash_mask; + h = sh->prop_hash_end[-h1 - 1]; + prop = get_shape_prop(sh); + lpr = NULL; + lpr_idx = 0; /* prevent warning */ + while (h != 0) { + pr = &prop[h - 1]; + if (likely(pr->atom == atom)) { + /* found ! */ + if (!(pr->flags & JS_PROP_CONFIGURABLE)) + return FALSE; + /* realloc the shape if needed */ + if (lpr) + lpr_idx = lpr - get_shape_prop(sh); + if (js_shape_prepare_update(ctx, p, &pr)) + return -1; + sh = p->shape; + /* remove property */ + if (lpr) { + lpr = get_shape_prop(sh) + lpr_idx; + lpr->hash_next = pr->hash_next; + } else { + sh->prop_hash_end[-h1 - 1] = pr->hash_next; + } + sh->deleted_prop_count++; + /* free the entry */ + pr1 = &p->prop[h - 1]; + free_property(ctx->rt, pr1, pr->flags); + JS_FreeAtom(ctx, pr->atom); + /* put default values */ + pr->flags = 0; + pr->atom = JS_ATOM_NULL; + pr1->u.value = JS_UNDEFINED; + + /* compact the properties if too many deleted properties */ + if (sh->deleted_prop_count >= 8 && + sh->deleted_prop_count >= ((unsigned)sh->prop_count / 2)) { + compact_properties(ctx, p); + } + return TRUE; + } + lpr = pr; + h = pr->hash_next; + } + + if (p->is_exotic) { + if (p->fast_array) { + uint32_t idx; + if (JS_AtomIsArrayIndex(ctx, &idx, atom) && + idx < p->u.array.count) { + if (p->class_id == JS_CLASS_ARRAY || + p->class_id == JS_CLASS_ARGUMENTS) { + /* Special case deleting the last element of a fast Array */ + if (idx == p->u.array.count - 1) { + JS_FreeValue(ctx, p->u.array.u.values[idx]); + p->u.array.count = idx; + return TRUE; + } + if (convert_fast_array_to_array(ctx, p)) + return -1; + goto redo; + } else { + return FALSE; /* not configurable */ + } + } + } else { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em && em->delete_property) { + return em->delete_property(ctx, JS_MKPTR(JS_TAG_OBJECT, p), atom); + } + } + } + /* not found */ + return TRUE; +} + +static int call_setter(JSContext *ctx, JSObject *setter, + JSValueConst this_obj, JSValue val, int flags) +{ + JSValue ret, func; + if (likely(setter)) { + func = JS_MKPTR(JS_TAG_OBJECT, setter); + /* Note: the field could be removed in the setter */ + func = JS_DupValue(ctx, func); + ret = JS_CallFree(ctx, func, this_obj, 1, (JSValueConst *)&val); + JS_FreeValue(ctx, val); + if (JS_IsException(ret)) + return -1; + JS_FreeValue(ctx, ret); + return TRUE; + } else { + JS_FreeValue(ctx, val); + if ((flags & JS_PROP_THROW) || + ((flags & JS_PROP_THROW_STRICT) && is_strict_mode(ctx))) { + JS_ThrowTypeError(ctx, "no setter for property"); + return -1; + } + return FALSE; + } +} + +/* set the array length and remove the array elements if necessary. */ +static int set_array_length(JSContext *ctx, JSObject *p, JSProperty *prop, + JSValue val, int flags) +{ + uint32_t len, idx, cur_len; + int i, ret; + + ret = JS_ToArrayLengthFree(ctx, &len, val); + if (ret) + return -1; + if (likely(p->fast_array)) { + uint32_t old_len = p->u.array.count; + if (len < old_len) { + for(i = len; i < old_len; i++) { + JS_FreeValue(ctx, p->u.array.u.values[i]); + } + p->u.array.count = len; + } + prop->u.value = JS_NewUint32(ctx, len); + } else { + /* Note: length is always a uint32 because the object is an + array */ + JS_ToUint32(ctx, &cur_len, prop->u.value); + if (len < cur_len) { + uint32_t d; + JSShape *sh; + JSShapeProperty *pr; + + d = cur_len - len; + sh = p->shape; + if (d <= sh->prop_count) { + JSAtom atom; + + /* faster to iterate */ + while (cur_len > len) { + atom = JS_NewAtomUInt32(ctx, cur_len - 1); + ret = delete_property(ctx, p, atom); + JS_FreeAtom(ctx, atom); + if (unlikely(!ret)) { + /* unlikely case: property is not + configurable */ + break; + } + cur_len--; + } + } else { + /* faster to iterate thru all the properties. Need two + passes in case one of the property is not + configurable */ + cur_len = len; + for(i = 0, pr = get_shape_prop(sh); i < sh->prop_count; + i++, pr++) { + if (pr->atom != JS_ATOM_NULL && + JS_AtomIsArrayIndex(ctx, &idx, pr->atom)) { + if (idx >= cur_len && + !(pr->flags & JS_PROP_CONFIGURABLE)) { + cur_len = idx + 1; + } + } + } + + for(i = 0, pr = get_shape_prop(sh); i < sh->prop_count; + i++, pr++) { + if (pr->atom != JS_ATOM_NULL && + JS_AtomIsArrayIndex(ctx, &idx, pr->atom)) { + if (idx >= cur_len) { + /* remove the property */ + delete_property(ctx, p, pr->atom); + /* WARNING: the shape may have been modified */ + sh = p->shape; + pr = get_shape_prop(sh) + i; + } + } + } + } + } else { + cur_len = len; + } + set_value(ctx, &p->prop[0].u.value, JS_NewUint32(ctx, cur_len)); + if (unlikely(cur_len > len)) { + return JS_ThrowTypeErrorOrFalse(ctx, flags, "not configurable"); + } + } + return TRUE; +} + +/* Preconditions: 'p' must be of class JS_CLASS_ARRAY, p->fast_array = + TRUE and p->extensible = TRUE */ +static int add_fast_array_element(JSContext *ctx, JSObject *p, + JSValue val, int flags) +{ + uint32_t new_len, array_len; + /* extend the array by one */ + /* XXX: convert to slow array if new_len > 2^31-1 elements */ + new_len = p->u.array.count + 1; + /* update the length if necessary. We assume that if the length is + not an integer, then if it >= 2^31. */ + if (likely(JS_VALUE_GET_TAG(p->prop[0].u.value) == JS_TAG_INT)) { + array_len = JS_VALUE_GET_INT(p->prop[0].u.value); + if (new_len > array_len) { + if (unlikely(!(get_shape_prop(p->shape)->flags & JS_PROP_WRITABLE))) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorReadOnly(ctx, flags, JS_ATOM_length); + } + p->prop[0].u.value = JS_NewInt32(ctx, new_len); + } + } + if (unlikely(new_len > p->u.array.u1.size)) { + uint32_t new_size; + size_t slack; + JSValue *new_array_prop; + /* XXX: potential arithmetic overflow */ + new_size = max_int(new_len, p->u.array.u1.size * 3 / 2); + new_array_prop = js_realloc2(ctx, p->u.array.u.values, sizeof(JSValue) * new_size, &slack); + if (!new_array_prop) { + JS_FreeValue(ctx, val); + return -1; + } + new_size += slack / sizeof(*new_array_prop); + p->u.array.u.values = new_array_prop; + p->u.array.u1.size = new_size; + } + p->u.array.u.values[new_len - 1] = val; + p->u.array.count = new_len; + return TRUE; +} + +static void js_free_desc(JSContext *ctx, JSPropertyDescriptor *desc) +{ + JS_FreeValue(ctx, desc->getter); + JS_FreeValue(ctx, desc->setter); + JS_FreeValue(ctx, desc->value); +} + +/* generic (and slower) version of JS_SetProperty() for Reflect.set() */ +static int JS_SetPropertyGeneric(JSContext *ctx, + JSObject *p, JSAtom prop, + JSValue val, JSValueConst this_obj, + int flags) +{ + int ret; + JSPropertyDescriptor desc; + + while (p != NULL) { + if (p->is_exotic) { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em && em->set_property) { + JSValue obj1; + /* set_property can free the prototype */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + ret = em->set_property(ctx, obj1, prop, + val, this_obj, flags); + JS_FreeValue(ctx, obj1); + JS_FreeValue(ctx, val); + return ret; + } + } + + ret = JS_GetOwnPropertyInternal(ctx, &desc, p, prop); + if (ret < 0) + return ret; + if (ret) { + if (desc.flags & JS_PROP_GETSET) { + JSObject *setter; + if (JS_IsUndefined(desc.setter)) + setter = NULL; + else + setter = JS_VALUE_GET_OBJ(desc.setter); + ret = call_setter(ctx, setter, this_obj, val, flags); + JS_FreeValue(ctx, desc.getter); + JS_FreeValue(ctx, desc.setter); + return ret; + } else { + JS_FreeValue(ctx, desc.value); + if (!(desc.flags & JS_PROP_WRITABLE)) { + goto read_only_error; + } + } + break; + } + p = p->shape->proto; + } + + if (!JS_IsObject(this_obj)) + return JS_ThrowTypeErrorOrFalse(ctx, flags, "receiver is not an object"); + + p = JS_VALUE_GET_OBJ(this_obj); + + /* modify the property in this_obj if it already exists */ + ret = JS_GetOwnPropertyInternal(ctx, &desc, p, prop); + if (ret < 0) + return ret; + if (ret) { + if (desc.flags & JS_PROP_GETSET) { + JS_FreeValue(ctx, desc.getter); + JS_FreeValue(ctx, desc.setter); + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorOrFalse(ctx, flags, "setter is forbidden"); + } else { + JS_FreeValue(ctx, desc.value); + if (!(desc.flags & JS_PROP_WRITABLE) || + p->class_id == JS_CLASS_MODULE_NS) { + read_only_error: + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorReadOnly(ctx, flags, prop); + } + } + ret = JS_DefineProperty(ctx, this_obj, prop, val, + JS_UNDEFINED, JS_UNDEFINED, + JS_PROP_HAS_VALUE); + JS_FreeValue(ctx, val); + return ret; + } + + ret = JS_CreateProperty(ctx, p, prop, val, JS_UNDEFINED, JS_UNDEFINED, + flags | + JS_PROP_HAS_VALUE | + JS_PROP_HAS_ENUMERABLE | + JS_PROP_HAS_WRITABLE | + JS_PROP_HAS_CONFIGURABLE | + JS_PROP_C_W_E); + JS_FreeValue(ctx, val); + return ret; +} + +/* return -1 in case of exception or TRUE or FALSE. Warning: 'val' is + freed by the function. 'flags' is a bitmask of JS_PROP_NO_ADD, + JS_PROP_THROW or JS_PROP_THROW_STRICT. If JS_PROP_NO_ADD is set, + the new property is not added and an error is raised. */ +int JS_SetPropertyInternal(JSContext *ctx, JSValueConst this_obj, + JSAtom prop, JSValue val, int flags) +{ + JSObject *p, *p1; + JSShapeProperty *prs; + JSProperty *pr; + uint32_t tag; + JSPropertyDescriptor desc; + int ret; +#if 0 + printf("JS_SetPropertyInternal: "); print_atom(ctx, prop); printf("\n"); +#endif + tag = JS_VALUE_GET_TAG(this_obj); + if (unlikely(tag != JS_TAG_OBJECT)) { + switch(tag) { + case JS_TAG_NULL: + JS_FreeValue(ctx, val); + JS_ThrowTypeErrorAtom(ctx, "cannot set property '%s' of null", prop); + return -1; + case JS_TAG_UNDEFINED: + JS_FreeValue(ctx, val); + JS_ThrowTypeErrorAtom(ctx, "cannot set property '%s' of undefined", prop); + return -1; + default: + /* even on a primitive type we can have setters on the prototype */ + p = NULL; + p1 = JS_VALUE_GET_OBJ(JS_GetPrototypePrimitive(ctx, this_obj)); + goto prototype_lookup; + } + } + p = JS_VALUE_GET_OBJ(this_obj); +retry: + prs = find_own_property(&pr, p, prop); + if (prs) { + if (likely((prs->flags & (JS_PROP_TMASK | JS_PROP_WRITABLE | + JS_PROP_LENGTH)) == JS_PROP_WRITABLE)) { + /* fast case */ + set_value(ctx, &pr->u.value, val); + return TRUE; + } else if ((prs->flags & (JS_PROP_LENGTH | JS_PROP_WRITABLE)) == + (JS_PROP_LENGTH | JS_PROP_WRITABLE)) { + assert(p->class_id == JS_CLASS_ARRAY); + assert(prop == JS_ATOM_length); + return set_array_length(ctx, p, pr, val, flags); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + return call_setter(ctx, pr->u.getset.setter, this_obj, val, flags); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + /* JS_PROP_WRITABLE is always true for variable + references, but they are write protected in module name + spaces. */ + if (p->class_id == JS_CLASS_MODULE_NS) + goto read_only_prop; + set_value(ctx, pr->u.var_ref->pvalue, val); + return TRUE; + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* Instantiate property and retry (potentially useless) */ + if (JS_AutoInitProperty(ctx, p, prop, pr)) { + JS_FreeValue(ctx, val); + return -1; + } + goto retry; + } else { + goto read_only_prop; + } + } + + p1 = p; + for(;;) { + if (p1->is_exotic) { + if (p1->fast_array) { + if (__JS_AtomIsTaggedInt(prop)) { + uint32_t idx = __JS_AtomToUInt32(prop); + if (idx < p1->u.array.count) { + if (unlikely(p == p1)) + return JS_SetPropertyValue(ctx, this_obj, JS_NewInt32(ctx, idx), val, flags); + else + break; + } else if (p1->class_id >= JS_CLASS_UINT8C_ARRAY && + p1->class_id <= JS_CLASS_FLOAT64_ARRAY) { + goto typed_array_oob; + } + } else if (p1->class_id >= JS_CLASS_UINT8C_ARRAY && + p1->class_id <= JS_CLASS_FLOAT64_ARRAY) { + ret = JS_AtomIsNumericIndex(ctx, prop); + if (ret != 0) { + if (ret < 0) { + JS_FreeValue(ctx, val); + return -1; + } + typed_array_oob: + val = JS_ToNumberFree(ctx, val); + JS_FreeValue(ctx, val); + if (JS_IsException(val)) + return -1; + if (typed_array_is_detached(ctx, p1)) { + JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + return -1; + } + return JS_ThrowTypeErrorOrFalse(ctx, flags, "out-of-bound numeric index"); + } + } + } else { + const JSClassExoticMethods *em = ctx->rt->class_array[p1->class_id].exotic; + if (em) { + JSValue obj1; + if (em->set_property) { + /* set_property can free the prototype */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p1)); + ret = em->set_property(ctx, obj1, prop, + val, this_obj, flags); + JS_FreeValue(ctx, obj1); + JS_FreeValue(ctx, val); + return ret; + } + if (em->get_own_property) { + /* get_own_property can free the prototype */ + obj1 = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p1)); + ret = em->get_own_property(ctx, &desc, + obj1, prop); + JS_FreeValue(ctx, obj1); + if (ret < 0) { + JS_FreeValue(ctx, val); + return ret; + } + if (ret) { + if (desc.flags & JS_PROP_GETSET) { + JSObject *setter; + if (JS_IsUndefined(desc.setter)) + setter = NULL; + else + setter = JS_VALUE_GET_OBJ(desc.setter); + ret = call_setter(ctx, setter, this_obj, val, flags); + JS_FreeValue(ctx, desc.getter); + JS_FreeValue(ctx, desc.setter); + return ret; + } else { + JS_FreeValue(ctx, desc.value); + if (!(desc.flags & JS_PROP_WRITABLE)) + goto read_only_prop; + if (likely(p == p1)) { + ret = JS_DefineProperty(ctx, this_obj, prop, val, + JS_UNDEFINED, JS_UNDEFINED, + JS_PROP_HAS_VALUE); + JS_FreeValue(ctx, val); + return ret; + } else { + break; + } + } + } + } + } + } + } + p1 = p1->shape->proto; + prototype_lookup: + if (!p1) + break; + + retry2: + prs = find_own_property(&pr, p1, prop); + if (prs) { + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + return call_setter(ctx, pr->u.getset.setter, this_obj, val, flags); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* Instantiate property and retry (potentially useless) */ + if (JS_AutoInitProperty(ctx, p1, prop, pr)) + return -1; + goto retry2; + } else if (!(prs->flags & JS_PROP_WRITABLE)) { + read_only_prop: + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorReadOnly(ctx, flags, prop); + } + } + } + + if (unlikely(flags & JS_PROP_NO_ADD)) { + JS_FreeValue(ctx, val); + JS_ThrowReferenceErrorNotDefined(ctx, prop); + return -1; + } + + if (unlikely(!p)) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorOrFalse(ctx, flags, "not an object"); + } + + if (unlikely(!p->extensible)) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorOrFalse(ctx, flags, "object is not extensible"); + } + + if (p->is_exotic) { + if (p->class_id == JS_CLASS_ARRAY && p->fast_array && + __JS_AtomIsTaggedInt(prop)) { + uint32_t idx = __JS_AtomToUInt32(prop); + if (idx == p->u.array.count) { + /* fast case */ + return add_fast_array_element(ctx, p, val, flags); + } else { + goto generic_create_prop; + } + } else { + generic_create_prop: + ret = JS_CreateProperty(ctx, p, prop, val, JS_UNDEFINED, JS_UNDEFINED, + flags | + JS_PROP_HAS_VALUE | + JS_PROP_HAS_ENUMERABLE | + JS_PROP_HAS_WRITABLE | + JS_PROP_HAS_CONFIGURABLE | + JS_PROP_C_W_E); + JS_FreeValue(ctx, val); + return ret; + } + } + + pr = add_property(ctx, p, prop, JS_PROP_C_W_E); + if (unlikely(!pr)) { + JS_FreeValue(ctx, val); + return -1; + } + pr->u.value = val; + return TRUE; +} + +/* flags can be JS_PROP_THROW or JS_PROP_THROW_STRICT */ +static int JS_SetPropertyValue(JSContext *ctx, JSValueConst this_obj, + JSValue prop, JSValue val, int flags) +{ + if (likely(JS_VALUE_GET_TAG(this_obj) == JS_TAG_OBJECT && + JS_VALUE_GET_TAG(prop) == JS_TAG_INT)) { + JSObject *p; + uint32_t idx; + double d; + int32_t v; + + /* fast path for array access */ + p = JS_VALUE_GET_OBJ(this_obj); + idx = JS_VALUE_GET_INT(prop); + switch(p->class_id) { + case JS_CLASS_ARRAY: + if (unlikely(idx >= (uint32_t)p->u.array.count)) { + JSObject *p1; + JSShape *sh1; + + /* fast path to add an element to the array */ + if (idx != (uint32_t)p->u.array.count || + !p->fast_array || !p->extensible) + goto slow_path; + /* check if prototype chain has a numeric property */ + p1 = p->shape->proto; + while (p1 != NULL) { + sh1 = p1->shape; + if (p1->class_id == JS_CLASS_ARRAY) { + if (unlikely(!p1->fast_array)) + goto slow_path; + } else if (p1->class_id == JS_CLASS_OBJECT) { + if (unlikely(sh1->has_small_array_index)) + goto slow_path; + } else { + goto slow_path; + } + p1 = sh1->proto; + } + /* add element */ + return add_fast_array_element(ctx, p, val, flags); + } + set_value(ctx, &p->u.array.u.values[idx], val); + break; + case JS_CLASS_ARGUMENTS: + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto slow_path; + set_value(ctx, &p->u.array.u.values[idx], val); + break; + case JS_CLASS_UINT8C_ARRAY: + if (JS_ToUint8ClampFree(ctx, &v, val)) + return -1; + /* Note: the conversion can detach the typed array, so the + array bound check must be done after */ + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.uint8_ptr[idx] = v; + break; + case JS_CLASS_INT8_ARRAY: + case JS_CLASS_UINT8_ARRAY: + if (JS_ToInt32Free(ctx, &v, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.uint8_ptr[idx] = v; + break; + case JS_CLASS_INT16_ARRAY: + case JS_CLASS_UINT16_ARRAY: + if (JS_ToInt32Free(ctx, &v, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.uint16_ptr[idx] = v; + break; + case JS_CLASS_INT32_ARRAY: + case JS_CLASS_UINT32_ARRAY: + if (JS_ToInt32Free(ctx, &v, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.uint32_ptr[idx] = v; + break; +#ifdef CONFIG_BIGNUM + case JS_CLASS_BIG_INT64_ARRAY: + case JS_CLASS_BIG_UINT64_ARRAY: + /* XXX: need specific conversion function */ + { + int64_t v; + if (JS_ToBigInt64Free(ctx, &v, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.uint64_ptr[idx] = v; + } + break; +#endif + case JS_CLASS_FLOAT32_ARRAY: + if (JS_ToFloat64Free(ctx, &d, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) + goto ta_out_of_bound; + p->u.array.u.float_ptr[idx] = d; + break; + case JS_CLASS_FLOAT64_ARRAY: + if (JS_ToFloat64Free(ctx, &d, val)) + return -1; + if (unlikely(idx >= (uint32_t)p->u.array.count)) { + ta_out_of_bound: + if (typed_array_is_detached(ctx, p)) { + JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + return -1; + } else { + return JS_ThrowTypeErrorOrFalse(ctx, flags, "out-of-bound numeric index"); + } + } + p->u.array.u.double_ptr[idx] = d; + break; + default: + goto slow_path; + } + return TRUE; + } else { + JSAtom atom; + int ret; + slow_path: + atom = JS_ValueToAtom(ctx, prop); + JS_FreeValue(ctx, prop); + if (unlikely(atom == JS_ATOM_NULL)) { + JS_FreeValue(ctx, val); + return -1; + } + ret = JS_SetPropertyInternal(ctx, this_obj, atom, val, flags); + JS_FreeAtom(ctx, atom); + return ret; + } +} + +int JS_SetPropertyUint32(JSContext *ctx, JSValueConst this_obj, + uint32_t idx, JSValue val) +{ + return JS_SetPropertyValue(ctx, this_obj, JS_NewUint32(ctx, idx), val, + JS_PROP_THROW); +} + +int JS_SetPropertyInt64(JSContext *ctx, JSValueConst this_obj, + int64_t idx, JSValue val) +{ + JSAtom prop; + int res; + + if ((uint64_t)idx <= INT32_MAX) { + /* fast path for fast arrays */ + return JS_SetPropertyValue(ctx, this_obj, JS_NewInt32(ctx, idx), val, + JS_PROP_THROW); + } + prop = JS_NewAtomInt64(ctx, idx); + if (prop == JS_ATOM_NULL) { + JS_FreeValue(ctx, val); + return -1; + } + res = JS_SetProperty(ctx, this_obj, prop, val); + JS_FreeAtom(ctx, prop); + return res; +} + +int JS_SetPropertyStr(JSContext *ctx, JSValueConst this_obj, + const char *prop, JSValue val) +{ + JSAtom atom; + int ret; + atom = JS_NewAtom(ctx, prop); + ret = JS_SetPropertyInternal(ctx, this_obj, atom, val, JS_PROP_THROW); + JS_FreeAtom(ctx, atom); + return ret; +} + +/* compute the property flags. For each flag: (JS_PROP_HAS_x forces + it, otherwise def_flags is used) + Note: makes assumption about the bit pattern of the flags +*/ +static int get_prop_flags(int flags, int def_flags) +{ + int mask; + mask = (flags >> JS_PROP_HAS_SHIFT) & JS_PROP_C_W_E; + return (flags & mask) | (def_flags & ~mask); +} + +static int JS_CreateProperty(JSContext *ctx, JSObject *p, + JSAtom prop, JSValueConst val, + JSValueConst getter, JSValueConst setter, + int flags) +{ + JSProperty *pr; + int ret, prop_flags; + + /* add a new property or modify an existing exotic one */ + if (p->is_exotic) { + if (p->class_id == JS_CLASS_ARRAY) { + uint32_t idx, len; + + if (p->fast_array) { + if (__JS_AtomIsTaggedInt(prop)) { + idx = __JS_AtomToUInt32(prop); + if (idx == p->u.array.count) { + if (!p->extensible) + goto not_extensible; + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) + goto convert_to_array; + prop_flags = get_prop_flags(flags, 0); + if (prop_flags != JS_PROP_C_W_E) + goto convert_to_array; + return add_fast_array_element(ctx, p, + JS_DupValue(ctx, val), flags); + } else { + goto convert_to_array; + } + } else if (JS_AtomIsArrayIndex(ctx, &idx, prop)) { + /* convert the fast array to normal array */ + convert_to_array: + if (convert_fast_array_to_array(ctx, p)) + return -1; + goto generic_array; + } + } else if (JS_AtomIsArrayIndex(ctx, &idx, prop)) { + JSProperty *plen; + JSShapeProperty *pslen; + generic_array: + /* update the length field */ + plen = &p->prop[0]; + JS_ToUint32(ctx, &len, plen->u.value); + if ((idx + 1) > len) { + pslen = get_shape_prop(p->shape); + if (unlikely(!(pslen->flags & JS_PROP_WRITABLE))) + return JS_ThrowTypeErrorReadOnly(ctx, flags, JS_ATOM_length); + /* XXX: should update the length after defining + the property */ + len = idx + 1; + set_value(ctx, &plen->u.value, JS_NewUint32(ctx, len)); + } + } + } else if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + ret = JS_AtomIsNumericIndex(ctx, prop); + if (ret != 0) { + if (ret < 0) + return -1; + return JS_ThrowTypeErrorOrFalse(ctx, flags, "cannot create numeric index in typed array"); + } + } else if (!(flags & JS_PROP_NO_EXOTIC)) { + const JSClassExoticMethods *em = ctx->rt->class_array[p->class_id].exotic; + if (em) { + if (em->define_own_property) { + return em->define_own_property(ctx, JS_MKPTR(JS_TAG_OBJECT, p), + prop, val, getter, setter, flags); + } + ret = JS_IsExtensible(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + if (ret < 0) + return -1; + if (!ret) + goto not_extensible; + } + } + } + + if (!p->extensible) { + not_extensible: + return JS_ThrowTypeErrorOrFalse(ctx, flags, "object is not extensible"); + } + + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + prop_flags = (flags & (JS_PROP_CONFIGURABLE | JS_PROP_ENUMERABLE)) | + JS_PROP_GETSET; + } else { + prop_flags = flags & JS_PROP_C_W_E; + } + pr = add_property(ctx, p, prop, prop_flags); + if (unlikely(!pr)) + return -1; + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + pr->u.getset.getter = NULL; + if ((flags & JS_PROP_HAS_GET) && JS_IsFunction(ctx, getter)) { + pr->u.getset.getter = + JS_VALUE_GET_OBJ(JS_DupValue(ctx, getter)); + } + pr->u.getset.setter = NULL; + if ((flags & JS_PROP_HAS_SET) && JS_IsFunction(ctx, setter)) { + pr->u.getset.setter = + JS_VALUE_GET_OBJ(JS_DupValue(ctx, setter)); + } + } else { + if (flags & JS_PROP_HAS_VALUE) { + pr->u.value = JS_DupValue(ctx, val); + } else { + pr->u.value = JS_UNDEFINED; + } + } + return TRUE; +} + +/* return FALSE if not OK */ +static BOOL check_define_prop_flags(int prop_flags, int flags) +{ + BOOL has_accessor, is_getset; + + if (!(prop_flags & JS_PROP_CONFIGURABLE)) { + if ((flags & (JS_PROP_HAS_CONFIGURABLE | JS_PROP_CONFIGURABLE)) == + (JS_PROP_HAS_CONFIGURABLE | JS_PROP_CONFIGURABLE)) { + return FALSE; + } + if ((flags & JS_PROP_HAS_ENUMERABLE) && + (flags & JS_PROP_ENUMERABLE) != (prop_flags & JS_PROP_ENUMERABLE)) + return FALSE; + } + if (flags & (JS_PROP_HAS_VALUE | JS_PROP_HAS_WRITABLE | + JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + if (!(prop_flags & JS_PROP_CONFIGURABLE)) { + has_accessor = ((flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) != 0); + is_getset = ((prop_flags & JS_PROP_TMASK) == JS_PROP_GETSET); + if (has_accessor != is_getset) + return FALSE; + if (!has_accessor && !is_getset && !(prop_flags & JS_PROP_WRITABLE)) { + /* not writable: cannot set the writable bit */ + if ((flags & (JS_PROP_HAS_WRITABLE | JS_PROP_WRITABLE)) == + (JS_PROP_HAS_WRITABLE | JS_PROP_WRITABLE)) + return FALSE; + } + } + } + return TRUE; +} + +/* ensure that the shape can be safely modified */ +static int js_shape_prepare_update(JSContext *ctx, JSObject *p, + JSShapeProperty **pprs) +{ + JSShape *sh; + uint32_t idx = 0; /* prevent warning */ + + sh = p->shape; + if (sh->is_hashed) { + if (sh->header.ref_count != 1) { + if (pprs) + idx = *pprs - get_shape_prop(sh); + /* clone the shape (the resulting one is no longer hashed) */ + sh = js_clone_shape(ctx, sh); + if (!sh) + return -1; + js_free_shape(ctx->rt, p->shape); + p->shape = sh; + if (pprs) + *pprs = get_shape_prop(sh) + idx; + } else { + js_shape_hash_unlink(ctx->rt, sh); + sh->is_hashed = FALSE; + } + } + return 0; +} + +static int js_update_property_flags(JSContext *ctx, JSObject *p, + JSShapeProperty **pprs, int flags) +{ + if (flags != (*pprs)->flags) { + if (js_shape_prepare_update(ctx, p, pprs)) + return -1; + (*pprs)->flags = flags; + } + return 0; +} + +/* allowed flags: + JS_PROP_CONFIGURABLE, JS_PROP_WRITABLE, JS_PROP_ENUMERABLE + JS_PROP_HAS_GET, JS_PROP_HAS_SET, JS_PROP_HAS_VALUE, + JS_PROP_HAS_CONFIGURABLE, JS_PROP_HAS_WRITABLE, JS_PROP_HAS_ENUMERABLE, + JS_PROP_THROW, JS_PROP_NO_EXOTIC. + If JS_PROP_THROW is set, return an exception instead of FALSE. + if JS_PROP_NO_EXOTIC is set, do not call the exotic + define_own_property callback. + return -1 (exception), FALSE or TRUE. +*/ +int JS_DefineProperty(JSContext *ctx, JSValueConst this_obj, + JSAtom prop, JSValueConst val, + JSValueConst getter, JSValueConst setter, int flags) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + int mask, res; + + if (JS_VALUE_GET_TAG(this_obj) != JS_TAG_OBJECT) { + JS_ThrowTypeErrorNotAnObject(ctx); + return -1; + } + p = JS_VALUE_GET_OBJ(this_obj); + + redo_prop_update: + prs = find_own_property(&pr, p, prop); + if (prs) { + /* property already exists */ + if (!check_define_prop_flags(prs->flags, flags)) { + not_configurable: + return JS_ThrowTypeErrorOrFalse(ctx, flags, "property is not configurable"); + } + + retry: + if (flags & (JS_PROP_HAS_VALUE | JS_PROP_HAS_WRITABLE | + JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + JSObject *new_getter, *new_setter; + + if (JS_IsFunction(ctx, getter)) { + new_getter = JS_VALUE_GET_OBJ(getter); + } else { + new_getter = NULL; + } + if (JS_IsFunction(ctx, setter)) { + new_setter = JS_VALUE_GET_OBJ(setter); + } else { + new_setter = NULL; + } + + if ((prs->flags & JS_PROP_TMASK) != JS_PROP_GETSET) { + if (js_shape_prepare_update(ctx, p, &prs)) + return -1; + /* convert to getset */ + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + free_var_ref(ctx->rt, pr->u.var_ref); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* clear property and update */ + if (js_shape_prepare_update(ctx, p, &prs)) + return -1; + js_autoinit_free(ctx->rt, pr); + prs->flags &= ~JS_PROP_TMASK; + pr->u.value = JS_UNDEFINED; + goto retry; + } else { + JS_FreeValue(ctx, pr->u.value); + } + prs->flags = (prs->flags & + (JS_PROP_CONFIGURABLE | JS_PROP_ENUMERABLE)) | + JS_PROP_GETSET; + pr->u.getset.getter = NULL; + pr->u.getset.setter = NULL; + } else { + if (!(prs->flags & JS_PROP_CONFIGURABLE)) { + if ((flags & JS_PROP_HAS_GET) && + new_getter != pr->u.getset.getter) { + goto not_configurable; + } + if ((flags & JS_PROP_HAS_SET) && + new_setter != pr->u.getset.setter) { + goto not_configurable; + } + } + } + if (flags & JS_PROP_HAS_GET) { + if (pr->u.getset.getter) + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter)); + if (new_getter) + JS_DupValue(ctx, getter); + pr->u.getset.getter = new_getter; + } + if (flags & JS_PROP_HAS_SET) { + if (pr->u.getset.setter) + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.setter)); + if (new_setter) + JS_DupValue(ctx, setter); + pr->u.getset.setter = new_setter; + } + } else { + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + /* convert to data descriptor */ + if (js_shape_prepare_update(ctx, p, &prs)) + return -1; + if (pr->u.getset.getter) + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.getter)); + if (pr->u.getset.setter) + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_OBJECT, pr->u.getset.setter)); + prs->flags &= ~(JS_PROP_TMASK | JS_PROP_WRITABLE); + pr->u.value = JS_UNDEFINED; + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + /* Note: JS_PROP_VARREF is always writable */ + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* clear property and update */ + if (js_shape_prepare_update(ctx, p, &prs)) + return -1; + js_autoinit_free(ctx->rt, pr); + prs->flags &= ~JS_PROP_TMASK; + pr->u.value = JS_UNDEFINED; + } else { + if ((prs->flags & (JS_PROP_CONFIGURABLE | JS_PROP_WRITABLE)) == 0 && + (flags & JS_PROP_HAS_VALUE) && + !js_same_value(ctx, val, pr->u.value)) { + goto not_configurable; + } + } + if (prs->flags & JS_PROP_LENGTH) { + if (flags & JS_PROP_HAS_VALUE) { + res = set_array_length(ctx, p, pr, JS_DupValue(ctx, val), + flags); + } else { + res = TRUE; + } + /* still need to reset the writable flag if needed. + The JS_PROP_LENGTH is reset to have the correct + read-only behavior in JS_SetProperty(). */ + if ((flags & (JS_PROP_HAS_WRITABLE | JS_PROP_WRITABLE)) == + JS_PROP_HAS_WRITABLE) { + prs = get_shape_prop(p->shape); + if (js_update_property_flags(ctx, p, &prs, + prs->flags & ~(JS_PROP_WRITABLE | JS_PROP_LENGTH))) + return -1; + } + return res; + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + if (flags & JS_PROP_HAS_VALUE) { + if (p->class_id == JS_CLASS_MODULE_NS) { + /* JS_PROP_WRITABLE is always true for variable + references, but they are write protected in module name + spaces. */ + if (!js_same_value(ctx, val, *pr->u.var_ref->pvalue)) + goto not_configurable; + } + /* update the reference */ + set_value(ctx, pr->u.var_ref->pvalue, + JS_DupValue(ctx, val)); + } + /* if writable is set to false, no longer a + reference (for mapped arguments) */ + if ((flags & (JS_PROP_HAS_WRITABLE | JS_PROP_WRITABLE)) == JS_PROP_HAS_WRITABLE) { + JSValue val1; + if (js_shape_prepare_update(ctx, p, &prs)) + return -1; + val1 = JS_DupValue(ctx, *pr->u.var_ref->pvalue); + free_var_ref(ctx->rt, pr->u.var_ref); + pr->u.value = val1; + prs->flags &= ~(JS_PROP_TMASK | JS_PROP_WRITABLE); + } + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + /* XXX: should never happen, type was reset above */ + abort(); + } else { + if (flags & JS_PROP_HAS_VALUE) { + JS_FreeValue(ctx, pr->u.value); + pr->u.value = JS_DupValue(ctx, val); + } + if (flags & JS_PROP_HAS_WRITABLE) { + if (js_update_property_flags(ctx, p, &prs, + (prs->flags & ~JS_PROP_WRITABLE) | + (flags & JS_PROP_WRITABLE))) + return -1; + } + } + } + } + mask = 0; + if (flags & JS_PROP_HAS_CONFIGURABLE) + mask |= JS_PROP_CONFIGURABLE; + if (flags & JS_PROP_HAS_ENUMERABLE) + mask |= JS_PROP_ENUMERABLE; + if (js_update_property_flags(ctx, p, &prs, + (prs->flags & ~mask) | (flags & mask))) + return -1; + return TRUE; + } + + /* handle modification of fast array elements */ + if (p->fast_array) { + uint32_t idx; + uint32_t prop_flags; + if (p->class_id == JS_CLASS_ARRAY) { + if (__JS_AtomIsTaggedInt(prop)) { + idx = __JS_AtomToUInt32(prop); + if (idx < p->u.array.count) { + prop_flags = get_prop_flags(flags, JS_PROP_C_W_E); + if (prop_flags != JS_PROP_C_W_E) + goto convert_to_slow_array; + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET)) { + convert_to_slow_array: + if (convert_fast_array_to_array(ctx, p)) + return -1; + else + goto redo_prop_update; + } + if (flags & JS_PROP_HAS_VALUE) { + set_value(ctx, &p->u.array.u.values[idx], JS_DupValue(ctx, val)); + } + return TRUE; + } + } + } else if (p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) { + JSValue num; + int ret; + + if (!__JS_AtomIsTaggedInt(prop)) { + /* slow path with to handle all numeric indexes */ + num = JS_AtomIsNumericIndex1(ctx, prop); + if (JS_IsUndefined(num)) + goto typed_array_done; + if (JS_IsException(num)) + return -1; + ret = JS_NumberIsInteger(ctx, num); + if (ret < 0) { + JS_FreeValue(ctx, num); + return -1; + } + if (!ret) { + JS_FreeValue(ctx, num); + return JS_ThrowTypeErrorOrFalse(ctx, flags, "non integer index in typed array"); + } + ret = JS_NumberIsNegativeOrMinusZero(ctx, num); + JS_FreeValue(ctx, num); + if (ret) { + return JS_ThrowTypeErrorOrFalse(ctx, flags, "negative index in typed array"); + } + if (!__JS_AtomIsTaggedInt(prop)) + goto typed_array_oob; + } + idx = __JS_AtomToUInt32(prop); + /* if the typed array is detached, p->u.array.count = 0 */ + if (idx >= typed_array_get_length(ctx, p)) { + typed_array_oob: + return JS_ThrowTypeErrorOrFalse(ctx, flags, "out-of-bound index in typed array"); + } + prop_flags = get_prop_flags(flags, JS_PROP_ENUMERABLE | JS_PROP_WRITABLE); + if (flags & (JS_PROP_HAS_GET | JS_PROP_HAS_SET) || + prop_flags != (JS_PROP_ENUMERABLE | JS_PROP_WRITABLE)) { + return JS_ThrowTypeErrorOrFalse(ctx, flags, "invalid descriptor flags"); + } + if (flags & JS_PROP_HAS_VALUE) { + return JS_SetPropertyValue(ctx, this_obj, JS_NewInt32(ctx, idx), JS_DupValue(ctx, val), flags); + } + return TRUE; + typed_array_done: ; + } + } + + return JS_CreateProperty(ctx, p, prop, val, getter, setter, flags); +} + +static int JS_DefineAutoInitProperty(JSContext *ctx, JSValueConst this_obj, + JSAtom prop, JSAutoInitIDEnum id, + void *opaque, int flags) +{ + JSObject *p; + JSProperty *pr; + + if (JS_VALUE_GET_TAG(this_obj) != JS_TAG_OBJECT) + return FALSE; + + p = JS_VALUE_GET_OBJ(this_obj); + + if (find_own_property(&pr, p, prop)) { + /* property already exists */ + abort(); + return FALSE; + } + + /* Specialized CreateProperty */ + pr = add_property(ctx, p, prop, (flags & JS_PROP_C_W_E) | JS_PROP_AUTOINIT); + if (unlikely(!pr)) + return -1; + pr->u.init.realm_and_id = (uintptr_t)JS_DupContext(ctx); + assert((pr->u.init.realm_and_id & 3) == 0); + assert(id <= 3); + pr->u.init.realm_and_id |= id; + pr->u.init.opaque = opaque; + return TRUE; +} + +/* shortcut to add or redefine a new property value */ +int JS_DefinePropertyValue(JSContext *ctx, JSValueConst this_obj, + JSAtom prop, JSValue val, int flags) +{ + int ret; + ret = JS_DefineProperty(ctx, this_obj, prop, val, JS_UNDEFINED, JS_UNDEFINED, + flags | JS_PROP_HAS_VALUE | JS_PROP_HAS_CONFIGURABLE | JS_PROP_HAS_WRITABLE | JS_PROP_HAS_ENUMERABLE); + JS_FreeValue(ctx, val); + return ret; +} + +int JS_DefinePropertyValueValue(JSContext *ctx, JSValueConst this_obj, + JSValue prop, JSValue val, int flags) +{ + JSAtom atom; + int ret; + atom = JS_ValueToAtom(ctx, prop); + JS_FreeValue(ctx, prop); + if (unlikely(atom == JS_ATOM_NULL)) { + JS_FreeValue(ctx, val); + return -1; + } + ret = JS_DefinePropertyValue(ctx, this_obj, atom, val, flags); + JS_FreeAtom(ctx, atom); + return ret; +} + +int JS_DefinePropertyValueUint32(JSContext *ctx, JSValueConst this_obj, + uint32_t idx, JSValue val, int flags) +{ + return JS_DefinePropertyValueValue(ctx, this_obj, JS_NewUint32(ctx, idx), + val, flags); +} + +int JS_DefinePropertyValueInt64(JSContext *ctx, JSValueConst this_obj, + int64_t idx, JSValue val, int flags) +{ + return JS_DefinePropertyValueValue(ctx, this_obj, JS_NewInt64(ctx, idx), + val, flags); +} + +int JS_DefinePropertyValueStr(JSContext *ctx, JSValueConst this_obj, + const char *prop, JSValue val, int flags) +{ + JSAtom atom; + int ret; + atom = JS_NewAtom(ctx, prop); + ret = JS_DefinePropertyValue(ctx, this_obj, atom, val, flags); + JS_FreeAtom(ctx, atom); + return ret; +} + +/* shortcut to add getter & setter */ +int JS_DefinePropertyGetSet(JSContext *ctx, JSValueConst this_obj, + JSAtom prop, JSValue getter, JSValue setter, + int flags) +{ + int ret; + ret = JS_DefineProperty(ctx, this_obj, prop, JS_UNDEFINED, getter, setter, + flags | JS_PROP_HAS_GET | JS_PROP_HAS_SET | + JS_PROP_HAS_CONFIGURABLE | JS_PROP_HAS_ENUMERABLE); + JS_FreeValue(ctx, getter); + JS_FreeValue(ctx, setter); + return ret; +} + +static int JS_CreateDataPropertyUint32(JSContext *ctx, JSValueConst this_obj, + int64_t idx, JSValue val, int flags) +{ + return JS_DefinePropertyValueValue(ctx, this_obj, JS_NewInt64(ctx, idx), + val, flags | JS_PROP_CONFIGURABLE | + JS_PROP_ENUMERABLE | JS_PROP_WRITABLE); +} + + +/* return TRUE if 'obj' has a non empty 'name' string */ +static BOOL js_object_has_name(JSContext *ctx, JSValueConst obj) +{ + JSProperty *pr; + JSShapeProperty *prs; + JSValueConst val; + JSString *p; + + prs = find_own_property(&pr, JS_VALUE_GET_OBJ(obj), JS_ATOM_name); + if (!prs) + return FALSE; + if ((prs->flags & JS_PROP_TMASK) != JS_PROP_NORMAL) + return TRUE; + val = pr->u.value; + if (JS_VALUE_GET_TAG(val) != JS_TAG_STRING) + return TRUE; + p = JS_VALUE_GET_STRING(val); + return (p->len != 0); +} + +static int JS_DefineObjectName(JSContext *ctx, JSValueConst obj, + JSAtom name, int flags) +{ + if (name != JS_ATOM_NULL + && JS_IsObject(obj) + && !js_object_has_name(ctx, obj) + && JS_DefinePropertyValue(ctx, obj, JS_ATOM_name, JS_AtomToString(ctx, name), flags) < 0) { + return -1; + } + return 0; +} + +static int JS_DefineObjectNameComputed(JSContext *ctx, JSValueConst obj, + JSValueConst str, int flags) +{ + if (JS_IsObject(obj) && + !js_object_has_name(ctx, obj)) { + JSAtom prop; + JSValue name_str; + prop = JS_ValueToAtom(ctx, str); + if (prop == JS_ATOM_NULL) + return -1; + name_str = js_get_function_name(ctx, prop); + JS_FreeAtom(ctx, prop); + if (JS_IsException(name_str)) + return -1; + if (JS_DefinePropertyValue(ctx, obj, JS_ATOM_name, name_str, flags) < 0) + return -1; + } + return 0; +} + +#define DEFINE_GLOBAL_LEX_VAR (1 << 7) +#define DEFINE_GLOBAL_FUNC_VAR (1 << 6) + +static JSValue JS_ThrowSyntaxErrorVarRedeclaration(JSContext *ctx, JSAtom prop) +{ + return JS_ThrowSyntaxErrorAtom(ctx, "redeclaration of '%s'", prop); +} + +/* flags is 0, DEFINE_GLOBAL_LEX_VAR or DEFINE_GLOBAL_FUNC_VAR */ +/* XXX: could support exotic global object. */ +static int JS_CheckDefineGlobalVar(JSContext *ctx, JSAtom prop, int flags) +{ + JSObject *p; + JSShapeProperty *prs; + + p = JS_VALUE_GET_OBJ(ctx->global_obj); + prs = find_own_property1(p, prop); + /* XXX: should handle JS_PROP_AUTOINIT */ + if (flags & DEFINE_GLOBAL_LEX_VAR) { + if (prs && !(prs->flags & JS_PROP_CONFIGURABLE)) + goto fail_redeclaration; + } else { + if (!prs && !p->extensible) + goto define_error; + if (flags & DEFINE_GLOBAL_FUNC_VAR) { + if (prs) { + if (!(prs->flags & JS_PROP_CONFIGURABLE) && + ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET || + ((prs->flags & (JS_PROP_WRITABLE | JS_PROP_ENUMERABLE)) != + (JS_PROP_WRITABLE | JS_PROP_ENUMERABLE)))) { + define_error: + JS_ThrowTypeErrorAtom(ctx, "cannot define variable '%s'", + prop); + return -1; + } + } + } + } + /* check if there already is a lexical declaration */ + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + prs = find_own_property1(p, prop); + if (prs) { + fail_redeclaration: + JS_ThrowSyntaxErrorVarRedeclaration(ctx, prop); + return -1; + } + return 0; +} + +/* def_flags is (0, DEFINE_GLOBAL_LEX_VAR) | + JS_PROP_CONFIGURABLE | JS_PROP_WRITABLE */ +/* XXX: could support exotic global object. */ +static int JS_DefineGlobalVar(JSContext *ctx, JSAtom prop, int def_flags) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + JSValue val; + int flags; + + if (def_flags & DEFINE_GLOBAL_LEX_VAR) { + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + flags = JS_PROP_ENUMERABLE | (def_flags & JS_PROP_WRITABLE) | + JS_PROP_CONFIGURABLE; + val = JS_UNINITIALIZED; + } else { + p = JS_VALUE_GET_OBJ(ctx->global_obj); + flags = JS_PROP_ENUMERABLE | JS_PROP_WRITABLE | + (def_flags & JS_PROP_CONFIGURABLE); + val = JS_UNDEFINED; + } + prs = find_own_property1(p, prop); + if (prs) + return 0; + if (!p->extensible) + return 0; + pr = add_property(ctx, p, prop, flags); + if (unlikely(!pr)) + return -1; + pr->u.value = val; + return 0; +} + +/* 'def_flags' is 0 or JS_PROP_CONFIGURABLE. */ +/* XXX: could support exotic global object. */ +static int JS_DefineGlobalFunction(JSContext *ctx, JSAtom prop, + JSValueConst func, int def_flags) +{ + + JSObject *p; + JSShapeProperty *prs; + int flags; + + p = JS_VALUE_GET_OBJ(ctx->global_obj); + prs = find_own_property1(p, prop); + flags = JS_PROP_HAS_VALUE | JS_PROP_THROW; + if (!prs || (prs->flags & JS_PROP_CONFIGURABLE)) { + flags |= JS_PROP_ENUMERABLE | JS_PROP_WRITABLE | def_flags | + JS_PROP_HAS_CONFIGURABLE | JS_PROP_HAS_WRITABLE | JS_PROP_HAS_ENUMERABLE; + } + if (JS_DefineProperty(ctx, ctx->global_obj, prop, func, + JS_UNDEFINED, JS_UNDEFINED, flags) < 0) + return -1; + return 0; +} + +static JSValue JS_GetGlobalVar(JSContext *ctx, JSAtom prop, + BOOL throw_ref_error) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + + /* no exotic behavior is possible in global_var_obj */ + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + prs = find_own_property(&pr, p, prop); + if (prs) { + /* XXX: should handle JS_PROP_TMASK properties */ + if (unlikely(JS_IsUninitialized(pr->u.value))) + return JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return JS_DupValue(ctx, pr->u.value); + } + return JS_GetPropertyInternal(ctx, ctx->global_obj, prop, + ctx->global_obj, throw_ref_error); +} + +/* construct a reference to a global variable */ +static int JS_GetGlobalVarRef(JSContext *ctx, JSAtom prop, JSValue *sp) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + + /* no exotic behavior is possible in global_var_obj */ + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + prs = find_own_property(&pr, p, prop); + if (prs) { + /* XXX: should handle JS_PROP_AUTOINIT properties? */ + /* XXX: conformance: do these tests in + OP_put_var_ref/OP_get_var_ref ? */ + if (unlikely(JS_IsUninitialized(pr->u.value))) { + JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return -1; + } + if (unlikely(!(prs->flags & JS_PROP_WRITABLE))) { + return JS_ThrowTypeErrorReadOnly(ctx, JS_PROP_THROW, prop); + } + sp[0] = JS_DupValue(ctx, ctx->global_var_obj); + } else { + int ret; + ret = JS_HasProperty(ctx, ctx->global_obj, prop); + if (ret < 0) + return -1; + if (ret) { + sp[0] = JS_DupValue(ctx, ctx->global_obj); + } else { + sp[0] = JS_UNDEFINED; + } + } + sp[1] = JS_AtomToValue(ctx, prop); + return 0; +} + +/* use for strict variable access: test if the variable exists */ +static int JS_CheckGlobalVar(JSContext *ctx, JSAtom prop) +{ + JSObject *p; + JSShapeProperty *prs; + int ret; + + /* no exotic behavior is possible in global_var_obj */ + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + prs = find_own_property1(p, prop); + if (prs) { + ret = TRUE; + } else { + ret = JS_HasProperty(ctx, ctx->global_obj, prop); + if (ret < 0) + return -1; + } + return ret; +} + +/* flag = 0: normal variable write + flag = 1: initialize lexical variable + flag = 2: normal variable write, strict check was done before +*/ +static int JS_SetGlobalVar(JSContext *ctx, JSAtom prop, JSValue val, + int flag) +{ + JSObject *p; + JSShapeProperty *prs; + JSProperty *pr; + int flags; + + /* no exotic behavior is possible in global_var_obj */ + p = JS_VALUE_GET_OBJ(ctx->global_var_obj); + prs = find_own_property(&pr, p, prop); + if (prs) { + /* XXX: should handle JS_PROP_AUTOINIT properties? */ + if (flag != 1) { + if (unlikely(JS_IsUninitialized(pr->u.value))) { + JS_FreeValue(ctx, val); + JS_ThrowReferenceErrorUninitialized(ctx, prs->atom); + return -1; + } + if (unlikely(!(prs->flags & JS_PROP_WRITABLE))) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeErrorReadOnly(ctx, JS_PROP_THROW, prop); + } + } + set_value(ctx, &pr->u.value, val); + return 0; + } + + flags = JS_PROP_THROW_STRICT; + if (flag != 2 && is_strict_mode(ctx)) + flags |= JS_PROP_NO_ADD; + return JS_SetPropertyInternal(ctx, ctx->global_obj, prop, val, flags); +} + +/* return -1, FALSE or TRUE. return FALSE if not configurable or + invalid object. return -1 in case of exception. + flags can be 0, JS_PROP_THROW or JS_PROP_THROW_STRICT */ +int JS_DeleteProperty(JSContext *ctx, JSValueConst obj, JSAtom prop, int flags) +{ + JSValue obj1; + JSObject *p; + int res; + + obj1 = JS_ToObject(ctx, obj); + if (JS_IsException(obj1)) + return -1; + p = JS_VALUE_GET_OBJ(obj1); + res = delete_property(ctx, p, prop); + JS_FreeValue(ctx, obj1); + if (res != FALSE) + return res; + if ((flags & JS_PROP_THROW) || + ((flags & JS_PROP_THROW_STRICT) && is_strict_mode(ctx))) { + JS_ThrowTypeError(ctx, "could not delete property"); + return -1; + } + return FALSE; +} + +int JS_DeletePropertyInt64(JSContext *ctx, JSValueConst obj, int64_t idx, int flags) +{ + JSAtom prop; + int res; + + if ((uint64_t)idx <= JS_ATOM_MAX_INT) { + /* fast path for fast arrays */ + return JS_DeleteProperty(ctx, obj, __JS_AtomFromUInt32(idx), flags); + } + prop = JS_NewAtomInt64(ctx, idx); + if (prop == JS_ATOM_NULL) + return -1; + res = JS_DeleteProperty(ctx, obj, prop, flags); + JS_FreeAtom(ctx, prop); + return res; +} + +BOOL JS_IsFunction(JSContext *ctx, JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(val); + switch(p->class_id) { + case JS_CLASS_BYTECODE_FUNCTION: + return TRUE; + case JS_CLASS_PROXY: + return p->u.proxy_data->is_func; + default: + return (ctx->rt->class_array[p->class_id].call != NULL); + } +} + +BOOL JS_IsCFunction(JSContext *ctx, JSValueConst val, JSCFunction *func, int magic) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(val); + if (p->class_id == JS_CLASS_C_FUNCTION) + return (p->u.cfunc.c_function.generic == func && p->u.cfunc.magic == magic); + else + return FALSE; +} + +BOOL JS_IsConstructor(JSContext *ctx, JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(val); + return p->is_constructor; +} + +BOOL JS_SetConstructorBit(JSContext *ctx, JSValueConst func_obj, BOOL val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(func_obj) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(func_obj); + p->is_constructor = val; + return TRUE; +} + +BOOL JS_IsError(JSContext *ctx, JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(val); + return (p->class_id == JS_CLASS_ERROR); +} + +/* used to avoid catching interrupt exceptions */ +BOOL JS_IsUncatchableError(JSContext *ctx, JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return FALSE; + p = JS_VALUE_GET_OBJ(val); + return p->class_id == JS_CLASS_ERROR && p->is_uncatchable_error; +} + +void JS_SetUncatchableError(JSContext *ctx, JSValueConst val, BOOL flag) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return; + p = JS_VALUE_GET_OBJ(val); + if (p->class_id == JS_CLASS_ERROR) + p->is_uncatchable_error = flag; +} + +void JS_ResetUncatchableError(JSContext *ctx) +{ + JS_SetUncatchableError(ctx, ctx->rt->current_exception, FALSE); +} + +void JS_SetOpaque(JSValue obj, void *opaque) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + p = JS_VALUE_GET_OBJ(obj); + p->u.opaque = opaque; + } +} + +/* return NULL if not an object of class class_id */ +void *JS_GetOpaque(JSValueConst obj, JSClassID class_id) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT) + return NULL; + p = JS_VALUE_GET_OBJ(obj); + if (p->class_id != class_id) + return NULL; + return p->u.opaque; +} + +void *JS_GetOpaque2(JSContext *ctx, JSValueConst obj, JSClassID class_id) +{ + void *p = JS_GetOpaque(obj, class_id); + if (unlikely(!p)) { + JS_ThrowTypeErrorInvalidClass(ctx, class_id); + } + return p; +} + +#define HINT_STRING 0 +#define HINT_NUMBER 1 +#define HINT_NONE 2 +/* don't try Symbol.toPrimitive */ +#define HINT_FORCE_ORDINARY (1 << 4) + +static JSValue JS_ToPrimitiveFree(JSContext *ctx, JSValue val, int hint) +{ + int i; + BOOL force_ordinary; + + JSAtom method_name; + JSValue method, ret; + if (JS_VALUE_GET_TAG(val) != JS_TAG_OBJECT) + return val; + force_ordinary = hint & HINT_FORCE_ORDINARY; + hint &= ~HINT_FORCE_ORDINARY; + if (!force_ordinary) { + method = JS_GetProperty(ctx, val, JS_ATOM_Symbol_toPrimitive); + if (JS_IsException(method)) + goto exception; + /* ECMA says *If exoticToPrim is not undefined* but tests in + test262 use null as a non callable converter */ + if (!JS_IsUndefined(method) && !JS_IsNull(method)) { + JSAtom atom; + JSValue arg; + switch(hint) { + case HINT_STRING: + atom = JS_ATOM_string; + break; + case HINT_NUMBER: + atom = JS_ATOM_number; + break; + default: + case HINT_NONE: + atom = JS_ATOM_default; + break; + } + arg = JS_AtomToString(ctx, atom); + ret = JS_CallFree(ctx, method, val, 1, (JSValueConst *)&arg); + JS_FreeValue(ctx, arg); + if (JS_IsException(ret)) + goto exception; + JS_FreeValue(ctx, val); + if (JS_VALUE_GET_TAG(ret) != JS_TAG_OBJECT) + return ret; + JS_FreeValue(ctx, ret); + return JS_ThrowTypeError(ctx, "toPrimitive"); + } + } + if (hint != HINT_STRING) + hint = HINT_NUMBER; + for(i = 0; i < 2; i++) { + if ((i ^ hint) == 0) { + method_name = JS_ATOM_toString; + } else { + method_name = JS_ATOM_valueOf; + } + method = JS_GetProperty(ctx, val, method_name); + if (JS_IsException(method)) + goto exception; + if (JS_IsFunction(ctx, method)) { + ret = JS_CallFree(ctx, method, val, 0, NULL); + if (JS_IsException(ret)) + goto exception; + if (JS_VALUE_GET_TAG(ret) != JS_TAG_OBJECT) { + JS_FreeValue(ctx, val); + return ret; + } + JS_FreeValue(ctx, ret); + } else { + JS_FreeValue(ctx, method); + } + } + JS_ThrowTypeError(ctx, "toPrimitive"); +exception: + JS_FreeValue(ctx, val); + return JS_EXCEPTION; +} + +static JSValue JS_ToPrimitive(JSContext *ctx, JSValueConst val, int hint) +{ + return JS_ToPrimitiveFree(ctx, JS_DupValue(ctx, val), hint); +} + +static int JS_ToBoolFree(JSContext *ctx, JSValue val) +{ + uint32_t tag = JS_VALUE_GET_TAG(val); + switch(tag) { + case JS_TAG_INT: + return JS_VALUE_GET_INT(val) != 0; + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + return JS_VALUE_GET_INT(val); + case JS_TAG_EXCEPTION: + return -1; + case JS_TAG_STRING: + { + BOOL ret = JS_VALUE_GET_STRING(val)->len != 0; + JS_FreeValue(ctx, val); + return ret; + } +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + BOOL ret; + ret = p->num.expn != BF_EXP_ZERO && p->num.expn != BF_EXP_NAN; + JS_FreeValue(ctx, val); + return ret; + } + case JS_TAG_BIG_DECIMAL: + { + JSBigDecimal *p = JS_VALUE_GET_PTR(val); + BOOL ret; + ret = p->num.expn != BF_EXP_ZERO && p->num.expn != BF_EXP_NAN; + JS_FreeValue(ctx, val); + return ret; + } +#endif + default: + if (JS_TAG_IS_FLOAT64(tag)) { + double d = JS_VALUE_GET_FLOAT64(val); + return !isnan(d) && d != 0; + } else { + JS_FreeValue(ctx, val); + return TRUE; + } + } +} + +int JS_ToBool(JSContext *ctx, JSValueConst val) +{ + return JS_ToBoolFree(ctx, JS_DupValue(ctx, val)); +} + +static int skip_spaces(const char *pc) +{ + const uint8_t *p, *p_next, *p_start; + uint32_t c; + + p = p_start = (const uint8_t *)pc; + for (;;) { + c = *p; + if (c < 128) { + if (!((c >= 0x09 && c <= 0x0d) || (c == 0x20))) + break; + p++; + } else { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p_next); + if (!lre_is_space(c)) + break; + p = p_next; + } + } + return p - p_start; +} + +static inline int to_digit(int c) +{ + if (c >= '0' && c <= '9') + return c - '0'; + else if (c >= 'A' && c <= 'Z') + return c - 'A' + 10; + else if (c >= 'a' && c <= 'z') + return c - 'a' + 10; + else + return 36; +} + +/* XXX: remove */ +static double js_strtod(const char *p, int radix, BOOL is_float) +{ + double d; + int c; + + if (!is_float || radix != 10) { + uint64_t n_max, n; + int int_exp, is_neg; + + is_neg = 0; + if (*p == '-') { + is_neg = 1; + p++; + } + + /* skip leading zeros */ + while (*p == '0') + p++; + n = 0; + if (radix == 10) + n_max = ((uint64_t)-1 - 9) / 10; /* most common case */ + else + n_max = ((uint64_t)-1 - (radix - 1)) / radix; + /* XXX: could be more precise */ + int_exp = 0; + while (*p != '\0') { + c = to_digit((uint8_t)*p); + if (c >= radix) + break; + if (n <= n_max) { + n = n * radix + c; + } else { + int_exp++; + } + p++; + } + d = n; + if (int_exp != 0) { + d *= pow(radix, int_exp); + } + if (is_neg) + d = -d; + } else { + d = strtod(p, NULL); + } + return d; +} + +#define ATOD_INT_ONLY (1 << 0) +/* accept Oo and Ob prefixes in addition to 0x prefix if radix = 0 */ +#define ATOD_ACCEPT_BIN_OCT (1 << 2) +/* accept O prefix as octal if radix == 0 and properly formed (Annex B) */ +#define ATOD_ACCEPT_LEGACY_OCTAL (1 << 4) +/* accept _ between digits as a digit separator */ +#define ATOD_ACCEPT_UNDERSCORES (1 << 5) +/* allow a suffix to override the type */ +#define ATOD_ACCEPT_SUFFIX (1 << 6) +/* default type */ +#define ATOD_TYPE_MASK (3 << 7) +#define ATOD_TYPE_FLOAT64 (0 << 7) +#define ATOD_TYPE_BIG_INT (1 << 7) +#define ATOD_TYPE_BIG_FLOAT (2 << 7) +#define ATOD_TYPE_BIG_DECIMAL (3 << 7) +/* assume bigint mode: floats are parsed as integers if no decimal + point nor exponent */ +#define ATOD_MODE_BIGINT (1 << 9) +/* accept -0x1 */ +#define ATOD_ACCEPT_PREFIX_AFTER_SIGN (1 << 10) + +#ifdef CONFIG_BIGNUM +static JSValue js_string_to_bigint(JSContext *ctx, const char *buf, + int radix, int flags, slimb_t *pexponent) +{ + bf_t a_s, *a = &a_s; + int ret; + JSValue val; + val = JS_NewBigInt(ctx); + if (JS_IsException(val)) + return val; + a = JS_GetBigInt(val); + ret = bf_atof(a, buf, NULL, radix, BF_PREC_INF, BF_RNDZ); + if (ret & BF_ST_MEM_ERROR) { + JS_FreeValue(ctx, val); + return JS_ThrowOutOfMemory(ctx); + } + val = JS_CompactBigInt1(ctx, val, (flags & ATOD_MODE_BIGINT) != 0); + return val; +} + +static JSValue js_string_to_bigfloat(JSContext *ctx, const char *buf, + int radix, int flags, slimb_t *pexponent) +{ + bf_t *a; + int ret; + JSValue val; + + val = JS_NewBigFloat(ctx); + if (JS_IsException(val)) + return val; + a = JS_GetBigFloat(val); + if (flags & ATOD_ACCEPT_SUFFIX) { + /* return the exponent to get infinite precision */ + ret = bf_atof2(a, pexponent, buf, NULL, radix, BF_PREC_INF, + BF_RNDZ | BF_ATOF_EXPONENT); + } else { + ret = bf_atof(a, buf, NULL, radix, ctx->fp_env.prec, + ctx->fp_env.flags); + } + if (ret & BF_ST_MEM_ERROR) { + JS_FreeValue(ctx, val); + return JS_ThrowOutOfMemory(ctx); + } + return val; +} + +static JSValue js_string_to_bigdecimal(JSContext *ctx, const char *buf, + int radix, int flags, slimb_t *pexponent) +{ + bfdec_t *a; + int ret; + JSValue val; + + val = JS_NewBigDecimal(ctx); + if (JS_IsException(val)) + return val; + a = JS_GetBigDecimal(val); + ret = bfdec_atof(a, buf, NULL, BF_PREC_INF, + BF_RNDZ | BF_ATOF_NO_NAN_INF); + if (ret & BF_ST_MEM_ERROR) { + JS_FreeValue(ctx, val); + return JS_ThrowOutOfMemory(ctx); + } + return val; +} + +#endif + +/* return an exception in case of memory error. Return JS_NAN if + invalid syntax */ +#ifdef CONFIG_BIGNUM +static JSValue js_atof2(JSContext *ctx, const char *str, const char **pp, + int radix, int flags, slimb_t *pexponent) +#else +static JSValue js_atof(JSContext *ctx, const char *str, const char **pp, + int radix, int flags) +#endif +{ + const char *p, *p_start; + int sep, is_neg; + BOOL is_float, has_legacy_octal; + int atod_type = flags & ATOD_TYPE_MASK; + char buf1[64], *buf; + int i, j, len; + BOOL buf_allocated = FALSE; + JSValue val; + + /* optional separator between digits */ + sep = (flags & ATOD_ACCEPT_UNDERSCORES) ? '_' : 256; + has_legacy_octal = FALSE; + + p = str; + p_start = p; + is_neg = 0; + if (p[0] == '+') { + p++; + p_start++; + if (!(flags & ATOD_ACCEPT_PREFIX_AFTER_SIGN)) + goto no_radix_prefix; + } else if (p[0] == '-') { + p++; + p_start++; + is_neg = 1; + if (!(flags & ATOD_ACCEPT_PREFIX_AFTER_SIGN)) + goto no_radix_prefix; + } + if (p[0] == '0') { + if ((p[1] == 'x' || p[1] == 'X') && + (radix == 0 || radix == 16)) { + p += 2; + radix = 16; + } else if ((p[1] == 'o' || p[1] == 'O') && + radix == 0 && (flags & ATOD_ACCEPT_BIN_OCT)) { + p += 2; + radix = 8; + } else if ((p[1] == 'b' || p[1] == 'B') && + radix == 0 && (flags & ATOD_ACCEPT_BIN_OCT)) { + p += 2; + radix = 2; + } else if ((p[1] >= '0' && p[1] <= '9') && + radix == 0 && (flags & ATOD_ACCEPT_LEGACY_OCTAL)) { + int i; + has_legacy_octal = TRUE; + sep = 256; + for (i = 1; (p[i] >= '0' && p[i] <= '7'); i++) + continue; + if (p[i] == '8' || p[i] == '9') + goto no_prefix; + p += 1; + radix = 8; + } else { + goto no_prefix; + } + /* there must be a digit after the prefix */ + if (to_digit((uint8_t)*p) >= radix) + goto fail; + no_prefix: ; + } else { + no_radix_prefix: + if (!(flags & ATOD_INT_ONLY) && + (atod_type == ATOD_TYPE_FLOAT64 || + atod_type == ATOD_TYPE_BIG_FLOAT) && + strstart(p, "Infinity", &p)) { +#ifdef CONFIG_BIGNUM + if (atod_type == ATOD_TYPE_BIG_FLOAT) { + bf_t *a; + val = JS_NewBigFloat(ctx); + if (JS_IsException(val)) + goto done; + a = JS_GetBigFloat(val); + bf_set_inf(a, is_neg); + } else +#endif + { + double d = 1.0 / 0.0; + if (is_neg) + d = -d; + val = JS_NewFloat64(ctx, d); + } + goto done; + } + } + if (radix == 0) + radix = 10; + is_float = FALSE; + p_start = p; + while (to_digit((uint8_t)*p) < radix + || (*p == sep && (radix != 10 || + p != p_start + 1 || p[-1] != '0') && + to_digit((uint8_t)p[1]) < radix)) { + p++; + } + if (!(flags & ATOD_INT_ONLY)) { + if (*p == '.' && (p > p_start || to_digit((uint8_t)p[1]) < radix)) { + is_float = TRUE; + p++; + if (*p == sep) + goto fail; + while (to_digit((uint8_t)*p) < radix || + (*p == sep && to_digit((uint8_t)p[1]) < radix)) + p++; + } + if (p > p_start && + (((*p == 'e' || *p == 'E') && radix == 10) || + ((*p == 'p' || *p == 'P') && (radix == 2 || radix == 8 || radix == 16)))) { + const char *p1 = p + 1; + is_float = TRUE; + if (*p1 == '+') { + p1++; + } else if (*p1 == '-') { + p1++; + } + if (is_digit((uint8_t)*p1)) { + p = p1 + 1; + while (is_digit((uint8_t)*p) || (*p == sep && is_digit((uint8_t)p[1]))) + p++; + } + } + } + if (p == p_start) + goto fail; + + buf = buf1; + buf_allocated = FALSE; + len = p - p_start; + if (unlikely((len + 2) > sizeof(buf1))) { + buf = js_malloc_rt(ctx->rt, len + 2); /* no exception raised */ + if (!buf) + goto mem_error; + buf_allocated = TRUE; + } + /* remove the separators and the radix prefixes */ + j = 0; + if (is_neg) + buf[j++] = '-'; + for (i = 0; i < len; i++) { + if (p_start[i] != '_') + buf[j++] = p_start[i]; + } + buf[j] = '\0'; + +#ifdef CONFIG_BIGNUM + if (flags & ATOD_ACCEPT_SUFFIX) { + if (*p == 'n') { + p++; + atod_type = ATOD_TYPE_BIG_INT; + } else if (*p == 'l') { + p++; + atod_type = ATOD_TYPE_BIG_FLOAT; + } else if (*p == 'm') { + p++; + atod_type = ATOD_TYPE_BIG_DECIMAL; + } else { + if (flags & ATOD_MODE_BIGINT) { + if (!is_float) + atod_type = ATOD_TYPE_BIG_INT; + if (has_legacy_octal) + goto fail; + } else { + if (is_float && radix != 10) + goto fail; + } + } + } else { + if (atod_type == ATOD_TYPE_FLOAT64) { + if (flags & ATOD_MODE_BIGINT) { + if (!is_float) + atod_type = ATOD_TYPE_BIG_INT; + if (has_legacy_octal) + goto fail; + } else { + if (is_float && radix != 10) + goto fail; + } + } + } + + switch(atod_type) { + case ATOD_TYPE_FLOAT64: + { + double d; + d = js_strtod(buf, radix, is_float); + /* return int or float64 */ + val = JS_NewFloat64(ctx, d); + } + break; + case ATOD_TYPE_BIG_INT: + if (has_legacy_octal || is_float) + goto fail; + val = ctx->rt->bigint_ops.from_string(ctx, buf, radix, flags, NULL); + break; + case ATOD_TYPE_BIG_FLOAT: + if (has_legacy_octal) + goto fail; + val = ctx->rt->bigfloat_ops.from_string(ctx, buf, radix, flags, + pexponent); + break; + case ATOD_TYPE_BIG_DECIMAL: + if (radix != 10) + goto fail; + val = ctx->rt->bigdecimal_ops.from_string(ctx, buf, radix, flags, NULL); + break; + default: + abort(); + } +#else + { + double d; + (void)has_legacy_octal; + if (is_float && radix != 10) + goto fail; + d = js_strtod(buf, radix, is_float); + val = JS_NewFloat64(ctx, d); + } +#endif + +done: + if (buf_allocated) + js_free_rt(ctx->rt, buf); + if (pp) + *pp = p; + return val; + fail: + val = JS_NAN; + goto done; + mem_error: + val = JS_ThrowOutOfMemory(ctx); + goto done; +} + +#ifdef CONFIG_BIGNUM +static JSValue js_atof(JSContext *ctx, const char *str, const char **pp, + int radix, int flags) +{ + return js_atof2(ctx, str, pp, radix, flags, NULL); +} +#endif + +typedef enum JSToNumberHintEnum { + TON_FLAG_NUMBER, + TON_FLAG_NUMERIC, +} JSToNumberHintEnum; + +static JSValue JS_ToNumberHintFree(JSContext *ctx, JSValue val, + JSToNumberHintEnum flag) +{ + uint32_t tag; + JSValue ret; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_DECIMAL: + if (flag != TON_FLAG_NUMERIC) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeError(ctx, "cannot convert bigdecimal to number"); + } + ret = val; + break; + case JS_TAG_BIG_INT: + if (flag != TON_FLAG_NUMERIC) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeError(ctx, "cannot convert bigint to number"); + } + ret = val; + break; + case JS_TAG_BIG_FLOAT: + if (flag != TON_FLAG_NUMERIC) { + JS_FreeValue(ctx, val); + return JS_ThrowTypeError(ctx, "cannot convert bigfloat to number"); + } + ret = val; + break; +#endif + case JS_TAG_FLOAT64: + case JS_TAG_INT: + case JS_TAG_EXCEPTION: + ret = val; + break; + case JS_TAG_BOOL: + case JS_TAG_NULL: + ret = JS_NewInt32(ctx, JS_VALUE_GET_INT(val)); + break; + case JS_TAG_UNDEFINED: + ret = JS_NAN; + break; + case JS_TAG_OBJECT: + val = JS_ToPrimitiveFree(ctx, val, HINT_NUMBER); + if (JS_IsException(val)) + return JS_EXCEPTION; + goto redo; + case JS_TAG_STRING: + { + const char *str; + const char *p; + size_t len; + + str = JS_ToCStringLen(ctx, &len, val); + JS_FreeValue(ctx, val); + if (!str) + return JS_EXCEPTION; + p = str; + p += skip_spaces(p); + if ((p - str) == len) { + ret = JS_NewInt32(ctx, 0); + } else { + int flags = ATOD_ACCEPT_BIN_OCT; + ret = js_atof(ctx, p, &p, 0, flags); + if (!JS_IsException(ret)) { + p += skip_spaces(p); + if ((p - str) != len) { + JS_FreeValue(ctx, ret); + ret = JS_NAN; + } + } + } + JS_FreeCString(ctx, str); + } + break; + case JS_TAG_SYMBOL: + JS_FreeValue(ctx, val); + return JS_ThrowTypeError(ctx, "cannot convert symbol to number"); + default: + JS_FreeValue(ctx, val); + ret = JS_NAN; + break; + } + return ret; +} + +static JSValue JS_ToNumberFree(JSContext *ctx, JSValue val) +{ + return JS_ToNumberHintFree(ctx, val, TON_FLAG_NUMBER); +} + +static JSValue JS_ToNumericFree(JSContext *ctx, JSValue val) +{ + return JS_ToNumberHintFree(ctx, val, TON_FLAG_NUMERIC); +} + +static JSValue JS_ToNumeric(JSContext *ctx, JSValueConst val) +{ + return JS_ToNumericFree(ctx, JS_DupValue(ctx, val)); +} + +static __exception int __JS_ToFloat64Free(JSContext *ctx, double *pres, + JSValue val) +{ + double d; + uint32_t tag; + + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = JS_FLOAT64_NAN; + return -1; + } + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + d = JS_VALUE_GET_INT(val); + break; + case JS_TAG_FLOAT64: + d = JS_VALUE_GET_FLOAT64(val); + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + /* XXX: there can be a double rounding issue with some + primitives (such as JS_ToUint8ClampFree()), but it is + not critical to fix it. */ + bf_get_float64(&p->num, &d, BF_RNDN); + JS_FreeValue(ctx, val); + } + break; +#endif + default: + abort(); + } + *pres = d; + return 0; +} + +static inline int JS_ToFloat64Free(JSContext *ctx, double *pres, JSValue val) +{ + uint32_t tag; + + tag = JS_VALUE_GET_TAG(val); + if (tag <= JS_TAG_NULL) { + *pres = JS_VALUE_GET_INT(val); + return 0; + } else if (JS_TAG_IS_FLOAT64(tag)) { + *pres = JS_VALUE_GET_FLOAT64(val); + return 0; + } else { + return __JS_ToFloat64Free(ctx, pres, val); + } +} + +int JS_ToFloat64(JSContext *ctx, double *pres, JSValueConst val) +{ + return JS_ToFloat64Free(ctx, pres, JS_DupValue(ctx, val)); +} + +static JSValue JS_ToNumber(JSContext *ctx, JSValueConst val) +{ + return JS_ToNumberFree(ctx, JS_DupValue(ctx, val)); +} + +/* same as JS_ToNumber() but return 0 in case of NaN/Undefined */ +static __maybe_unused JSValue JS_ToIntegerFree(JSContext *ctx, JSValue val) +{ + uint32_t tag; + JSValue ret; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + ret = JS_NewInt32(ctx, JS_VALUE_GET_INT(val)); + break; + case JS_TAG_FLOAT64: + { + double d = JS_VALUE_GET_FLOAT64(val); + if (isnan(d)) { + ret = JS_NewInt32(ctx, 0); + } else { + /* convert -0 to +0 */ + d = trunc(d) + 0.0; + ret = JS_NewFloat64(ctx, d); + } + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + bf_t a_s, *a, r_s, *r = &r_s; + BOOL is_nan; + + a = JS_ToBigFloat(ctx, &a_s, val); + if (!bf_is_finite(a)) { + is_nan = bf_is_nan(a); + if (is_nan) + ret = JS_NewInt32(ctx, 0); + else + ret = JS_DupValue(ctx, val); + } else { + ret = JS_NewBigInt(ctx); + if (!JS_IsException(ret)) { + r = JS_GetBigInt(ret); + bf_set(r, a); + bf_rint(r, BF_RNDZ); + ret = JS_CompactBigInt(ctx, ret); + } + } + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, val); + } + break; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) + return val; + goto redo; + } + return ret; +} + +/* Note: the integer value is satured to 32 bits */ +static int JS_ToInt32SatFree(JSContext *ctx, int *pres, JSValue val) +{ + uint32_t tag; + int ret; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + ret = JS_VALUE_GET_INT(val); + break; + case JS_TAG_EXCEPTION: + *pres = 0; + return -1; + case JS_TAG_FLOAT64: + { + double d = JS_VALUE_GET_FLOAT64(val); + if (isnan(d)) { + ret = 0; + } else { + if (d < INT32_MIN) + ret = INT32_MIN; + else if (d > INT32_MAX) + ret = INT32_MAX; + else + ret = (int)d; + } + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_get_int32(&ret, &p->num, 0); + JS_FreeValue(ctx, val); + } + break; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = 0; + return -1; + } + goto redo; + } + *pres = ret; + return 0; +} + +int JS_ToInt32Sat(JSContext *ctx, int *pres, JSValueConst val) +{ + return JS_ToInt32SatFree(ctx, pres, JS_DupValue(ctx, val)); +} + +int JS_ToInt32Clamp(JSContext *ctx, int *pres, JSValueConst val, + int min, int max, int min_offset) +{ + int res = JS_ToInt32SatFree(ctx, pres, JS_DupValue(ctx, val)); + if (res == 0) { + if (*pres < min) { + *pres += min_offset; + if (*pres < min) + *pres = min; + } else { + if (*pres > max) + *pres = max; + } + } + return res; +} + +static int JS_ToInt64SatFree(JSContext *ctx, int64_t *pres, JSValue val) +{ + uint32_t tag; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + *pres = JS_VALUE_GET_INT(val); + return 0; + case JS_TAG_EXCEPTION: + *pres = 0; + return -1; + case JS_TAG_FLOAT64: + { + double d = JS_VALUE_GET_FLOAT64(val); + if (isnan(d)) { + *pres = 0; + } else { + if (d < INT64_MIN) + *pres = INT64_MIN; + else if (d > INT64_MAX) + *pres = INT64_MAX; + else + *pres = (int64_t)d; + } + } + return 0; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_get_int64(pres, &p->num, 0); + JS_FreeValue(ctx, val); + } + return 0; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = 0; + return -1; + } + goto redo; + } +} + +int JS_ToInt64Sat(JSContext *ctx, int64_t *pres, JSValueConst val) +{ + return JS_ToInt64SatFree(ctx, pres, JS_DupValue(ctx, val)); +} + +int JS_ToInt64Clamp(JSContext *ctx, int64_t *pres, JSValueConst val, + int64_t min, int64_t max, int64_t neg_offset) +{ + int res = JS_ToInt64SatFree(ctx, pres, JS_DupValue(ctx, val)); + if (res == 0) { + if (*pres < 0) + *pres += neg_offset; + if (*pres < min) + *pres = min; + else if (*pres > max) + *pres = max; + } + return res; +} + +/* Same as JS_ToInt32Free() but with a 64 bit result. Return (<0, 0) + in case of exception */ +static int JS_ToInt64Free(JSContext *ctx, int64_t *pres, JSValue val) +{ + uint32_t tag; + int64_t ret; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + ret = JS_VALUE_GET_INT(val); + break; + case JS_TAG_FLOAT64: + { + JSFloat64Union u; + double d; + int e; + d = JS_VALUE_GET_FLOAT64(val); + u.d = d; + /* we avoid doing fmod(x, 2^64) */ + e = (u.u64 >> 52) & 0x7ff; + if (likely(e <= (1023 + 62))) { + /* fast case */ + ret = (int64_t)d; + } else if (e <= (1023 + 62 + 53)) { + uint64_t v; + /* remainder modulo 2^64 */ + v = (u.u64 & (((uint64_t)1 << 52) - 1)) | ((uint64_t)1 << 52); + ret = v << ((e - 1023) - 52); + /* take the sign into account */ + if (u.u64 >> 63) + ret = -ret; + } else { + ret = 0; /* also handles NaN and +inf */ + } + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_get_int64(&ret, &p->num, BF_GET_INT_MOD); + JS_FreeValue(ctx, val); + } + break; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = 0; + return -1; + } + goto redo; + } + *pres = ret; + return 0; +} + +int JS_ToInt64(JSContext *ctx, int64_t *pres, JSValueConst val) +{ + return JS_ToInt64Free(ctx, pres, JS_DupValue(ctx, val)); +} + +int JS_ToInt64Ext(JSContext *ctx, int64_t *pres, JSValueConst val) +{ + if (JS_IsBigInt(ctx, val)) + return JS_ToBigInt64(ctx, pres, val); + else + return JS_ToInt64(ctx, pres, val); +} + +/* return (<0, 0) in case of exception */ +static int JS_ToInt32Free(JSContext *ctx, int32_t *pres, JSValue val) +{ + uint32_t tag; + int32_t ret; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + ret = JS_VALUE_GET_INT(val); + break; + case JS_TAG_FLOAT64: + { + JSFloat64Union u; + double d; + int e; + d = JS_VALUE_GET_FLOAT64(val); + u.d = d; + /* we avoid doing fmod(x, 2^32) */ + e = (u.u64 >> 52) & 0x7ff; + if (likely(e <= (1023 + 30))) { + /* fast case */ + ret = (int32_t)d; + } else if (e <= (1023 + 30 + 53)) { + uint64_t v; + /* remainder modulo 2^32 */ + v = (u.u64 & (((uint64_t)1 << 52) - 1)) | ((uint64_t)1 << 52); + v = v << ((e - 1023) - 52 + 32); + ret = v >> 32; + /* take the sign into account */ + if (u.u64 >> 63) + ret = -ret; + } else { + ret = 0; /* also handles NaN and +inf */ + } + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_get_int32(&ret, &p->num, BF_GET_INT_MOD); + JS_FreeValue(ctx, val); + } + break; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = 0; + return -1; + } + goto redo; + } + *pres = ret; + return 0; +} + +int JS_ToInt32(JSContext *ctx, int32_t *pres, JSValueConst val) +{ + return JS_ToInt32Free(ctx, pres, JS_DupValue(ctx, val)); +} + +static inline int JS_ToUint32Free(JSContext *ctx, uint32_t *pres, JSValue val) +{ + return JS_ToInt32Free(ctx, (int32_t *)pres, val); +} + +static int JS_ToUint8ClampFree(JSContext *ctx, int32_t *pres, JSValue val) +{ + uint32_t tag; + int res; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + res = JS_VALUE_GET_INT(val); +#ifdef CONFIG_BIGNUM + int_clamp: +#endif + res = max_int(0, min_int(255, res)); + break; + case JS_TAG_FLOAT64: + { + double d = JS_VALUE_GET_FLOAT64(val); + if (isnan(d)) { + res = 0; + } else { + if (d < 0) + res = 0; + else if (d > 255) + res = 255; + else + res = lrint(d); + } + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_t r_s, *r = &r_s; + bf_init(ctx->bf_ctx, r); + bf_set(r, &p->num); + bf_rint(r, BF_RNDN); + bf_get_int32(&res, r, 0); + bf_delete(r); + JS_FreeValue(ctx, val); + } + goto int_clamp; +#endif + default: + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) { + *pres = 0; + return -1; + } + goto redo; + } + *pres = res; + return 0; +} + +static __exception int JS_ToArrayLengthFree(JSContext *ctx, uint32_t *plen, + JSValue val) +{ + uint32_t tag, len; + + redo: + tag = JS_VALUE_GET_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + { + int v; + v = JS_VALUE_GET_INT(val); + if (v < 0) + goto fail; + len = v; + } + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + bf_t a; + BOOL res; + bf_get_int32((int32_t *)&len, &p->num, BF_GET_INT_MOD); + bf_init(ctx->bf_ctx, &a); + bf_set_ui(&a, len); + res = bf_cmp_eq(&a, &p->num); + bf_delete(&a); + JS_FreeValue(ctx, val); + if (!res) + goto fail; + } + break; +#endif + default: + if (JS_TAG_IS_FLOAT64(tag)) { + double d; + d = JS_VALUE_GET_FLOAT64(val); + len = (uint32_t)d; + if (len != d) { + fail: + JS_ThrowRangeError(ctx, "invalid array length"); + return -1; + } + } else { + val = JS_ToNumberFree(ctx, val); + if (JS_IsException(val)) + return -1; + goto redo; + } + break; + } + *plen = len; + return 0; +} + +#define MAX_SAFE_INTEGER (((int64_t)1 << 53) - 1) + +static BOOL is_safe_integer(double d) +{ + return isfinite(d) && floor(d) == d && + fabs(d) <= (double)MAX_SAFE_INTEGER; +} + +int JS_ToIndex(JSContext *ctx, uint64_t *plen, JSValueConst val) +{ + int64_t v; + if (JS_ToInt64Sat(ctx, &v, val)) + return -1; + if (v < 0 || v > MAX_SAFE_INTEGER) { + JS_ThrowRangeError(ctx, "invalid array index"); + *plen = 0; + return -1; + } + *plen = v; + return 0; +} + +/* convert a value to a length between 0 and MAX_SAFE_INTEGER. + return -1 for exception */ +static __exception int JS_ToLengthFree(JSContext *ctx, int64_t *plen, + JSValue val) +{ + int res = JS_ToInt64Clamp(ctx, plen, val, 0, MAX_SAFE_INTEGER, 0); + JS_FreeValue(ctx, val); + return res; +} + +/* Note: can return an exception */ +static int JS_NumberIsInteger(JSContext *ctx, JSValueConst val) +{ + double d; + if (!JS_IsNumber(val)) + return FALSE; + if (unlikely(JS_ToFloat64(ctx, &d, val))) + return -1; + return isfinite(d) && floor(d) == d; +} + +static BOOL JS_NumberIsNegativeOrMinusZero(JSContext *ctx, JSValueConst val) +{ + uint32_t tag; + + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + { + int v; + v = JS_VALUE_GET_INT(val); + return (v < 0); + } + case JS_TAG_FLOAT64: + { + JSFloat64Union u; + u.d = JS_VALUE_GET_FLOAT64(val); + return (u.u64 >> 63); + } +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + /* Note: integer zeros are not necessarily positive */ + return p->num.sign && !bf_is_zero(&p->num); + } + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + return p->num.sign; + } + break; + case JS_TAG_BIG_DECIMAL: + { + JSBigDecimal *p = JS_VALUE_GET_PTR(val); + return p->num.sign; + } + break; +#endif + default: + return FALSE; + } +} + +#ifdef CONFIG_BIGNUM + +static JSValue js_bigint_to_string1(JSContext *ctx, JSValueConst val, int radix) +{ + JSValue ret; + bf_t a_s, *a; + char *str; + int saved_sign; + + a = JS_ToBigInt(ctx, &a_s, val); + if (!a) + return JS_EXCEPTION; + saved_sign = a->sign; + if (a->expn == BF_EXP_ZERO) + a->sign = 0; + str = bf_ftoa(NULL, a, radix, 0, BF_RNDZ | BF_FTOA_FORMAT_FRAC | + BF_FTOA_JS_QUIRKS); + a->sign = saved_sign; + JS_FreeBigInt(ctx, a, &a_s); + if (!str) + return JS_ThrowOutOfMemory(ctx); + ret = JS_NewString(ctx, str); + bf_free(ctx->bf_ctx, str); + return ret; +} + +static JSValue js_bigint_to_string(JSContext *ctx, JSValueConst val) +{ + return js_bigint_to_string1(ctx, val, 10); +} + +static JSValue js_ftoa(JSContext *ctx, JSValueConst val1, int radix, + limb_t prec, bf_flags_t flags) +{ + JSValue val, ret; + bf_t a_s, *a; + char *str; + int saved_sign; + + val = JS_ToNumeric(ctx, val1); + if (JS_IsException(val)) + return val; + a = JS_ToBigFloat(ctx, &a_s, val); + saved_sign = a->sign; + if (a->expn == BF_EXP_ZERO) + a->sign = 0; + flags |= BF_FTOA_JS_QUIRKS; + if ((flags & BF_FTOA_FORMAT_MASK) == BF_FTOA_FORMAT_FREE_MIN) { + /* Note: for floating point numbers with a radix which is not + a power of two, the current precision is used to compute + the number of digits. */ + if ((radix & (radix - 1)) != 0) { + bf_t r_s, *r = &r_s; + int prec, flags1; + /* must round first */ + if (JS_VALUE_GET_TAG(val) == JS_TAG_BIG_FLOAT) { + prec = ctx->fp_env.prec; + flags1 = ctx->fp_env.flags & + (BF_FLAG_SUBNORMAL | (BF_EXP_BITS_MASK << BF_EXP_BITS_SHIFT)); + } else { + prec = 53; + flags1 = bf_set_exp_bits(11) | BF_FLAG_SUBNORMAL; + } + bf_init(ctx->bf_ctx, r); + bf_set(r, a); + bf_round(r, prec, flags1 | BF_RNDN); + str = bf_ftoa(NULL, r, radix, prec, flags1 | flags); + bf_delete(r); + } else { + str = bf_ftoa(NULL, a, radix, BF_PREC_INF, flags); + } + } else { + str = bf_ftoa(NULL, a, radix, prec, flags); + } + a->sign = saved_sign; + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, val); + if (!str) + return JS_ThrowOutOfMemory(ctx); + ret = JS_NewString(ctx, str); + bf_free(ctx->bf_ctx, str); + return ret; +} + +static JSValue js_bigfloat_to_string(JSContext *ctx, JSValueConst val) +{ + return js_ftoa(ctx, val, 10, 0, BF_RNDN | BF_FTOA_FORMAT_FREE_MIN); +} + +static JSValue js_bigdecimal_to_string1(JSContext *ctx, JSValueConst val, + limb_t prec, int flags) +{ + JSValue ret; + bfdec_t *a; + char *str; + int saved_sign; + + a = JS_ToBigDecimal(ctx, val); + saved_sign = a->sign; + if (a->expn == BF_EXP_ZERO) + a->sign = 0; + str = bfdec_ftoa(NULL, a, prec, flags | BF_FTOA_JS_QUIRKS); + a->sign = saved_sign; + if (!str) + return JS_ThrowOutOfMemory(ctx); + ret = JS_NewString(ctx, str); + bf_free(ctx->bf_ctx, str); + return ret; +} + +static JSValue js_bigdecimal_to_string(JSContext *ctx, JSValueConst val) +{ + return js_bigdecimal_to_string1(ctx, val, 0, + BF_RNDZ | BF_FTOA_FORMAT_FREE); +} + +#endif /* CONFIG_BIGNUM */ + +/* 2 <= base <= 36 */ +static char *i64toa(char *buf_end, int64_t n, unsigned int base) +{ + char *q = buf_end; + int digit, is_neg; + + is_neg = 0; + if (n < 0) { + is_neg = 1; + n = -n; + } + *--q = '\0'; + do { + digit = (uint64_t)n % base; + n = (uint64_t)n / base; + if (digit < 10) + digit += '0'; + else + digit += 'a' - 10; + *--q = digit; + } while (n != 0); + if (is_neg) + *--q = '-'; + return q; +} + +/* buf1 contains the printf result */ +static void js_ecvt1(double d, int n_digits, int *decpt, int *sign, char *buf, + int rounding_mode, char *buf1, int buf1_size) +{ + if (rounding_mode != FE_TONEAREST) + fesetround(rounding_mode); + snprintf(buf1, buf1_size, "%+.*e", n_digits - 1, d); + if (rounding_mode != FE_TONEAREST) + fesetround(FE_TONEAREST); + *sign = (buf1[0] == '-'); + /* mantissa */ + buf[0] = buf1[1]; + if (n_digits > 1) + memcpy(buf + 1, buf1 + 3, n_digits - 1); + buf[n_digits] = '\0'; + /* exponent */ + *decpt = atoi(buf1 + n_digits + 2 + (n_digits > 1)) + 1; +} + +/* maximum buffer size for js_dtoa */ +#define JS_DTOA_BUF_SIZE 128 + +/* needed because ecvt usually limits the number of digits to + 17. Return the number of digits. */ +static int js_ecvt(double d, int n_digits, int *decpt, int *sign, char *buf, + BOOL is_fixed) +{ + int rounding_mode; + char buf_tmp[JS_DTOA_BUF_SIZE]; + + if (!is_fixed) { + unsigned int n_digits_min, n_digits_max; + /* find the minimum amount of digits (XXX: inefficient but simple) */ + n_digits_min = 1; + n_digits_max = 17; + while (n_digits_min < n_digits_max) { + n_digits = (n_digits_min + n_digits_max) / 2; + js_ecvt1(d, n_digits, decpt, sign, buf, FE_TONEAREST, + buf_tmp, sizeof(buf_tmp)); + if (strtod(buf_tmp, NULL) == d) { + /* no need to keep the trailing zeros */ + while (n_digits >= 2 && buf[n_digits - 1] == '0') + n_digits--; + n_digits_max = n_digits; + } else { + n_digits_min = n_digits + 1; + } + } + n_digits = n_digits_max; + rounding_mode = FE_TONEAREST; + } else { + rounding_mode = FE_TONEAREST; +#ifdef CONFIG_PRINTF_RNDN + { + char buf1[JS_DTOA_BUF_SIZE], buf2[JS_DTOA_BUF_SIZE]; + int decpt1, sign1, decpt2, sign2; + /* The JS rounding is specified as round to nearest ties away + from zero (RNDNA), but in printf the "ties" case is not + specified (for example it is RNDN for glibc, RNDNA for + Windows), so we must round manually. */ + js_ecvt1(d, n_digits + 1, &decpt1, &sign1, buf1, FE_TONEAREST, + buf_tmp, sizeof(buf_tmp)); + /* XXX: could use 2 digits to reduce the average running time */ + if (buf1[n_digits] == '5') { + js_ecvt1(d, n_digits + 1, &decpt1, &sign1, buf1, FE_DOWNWARD, + buf_tmp, sizeof(buf_tmp)); + js_ecvt1(d, n_digits + 1, &decpt2, &sign2, buf2, FE_UPWARD, + buf_tmp, sizeof(buf_tmp)); + if (memcmp(buf1, buf2, n_digits + 1) == 0 && decpt1 == decpt2) { + /* exact result: round away from zero */ + if (sign1) + rounding_mode = FE_DOWNWARD; + else + rounding_mode = FE_UPWARD; + } + } + } +#endif /* CONFIG_PRINTF_RNDN */ + } + js_ecvt1(d, n_digits, decpt, sign, buf, rounding_mode, + buf_tmp, sizeof(buf_tmp)); + return n_digits; +} + +static int js_fcvt1(char *buf, int buf_size, double d, int n_digits, + int rounding_mode) +{ + int n; + if (rounding_mode != FE_TONEAREST) + fesetround(rounding_mode); + n = snprintf(buf, buf_size, "%.*f", n_digits, d); + if (rounding_mode != FE_TONEAREST) + fesetround(FE_TONEAREST); + assert(n < buf_size); + return n; +} + +static void js_fcvt(char *buf, int buf_size, double d, int n_digits) +{ + int rounding_mode; + rounding_mode = FE_TONEAREST; +#ifdef CONFIG_PRINTF_RNDN + { + int n1, n2; + char buf1[JS_DTOA_BUF_SIZE]; + char buf2[JS_DTOA_BUF_SIZE]; + + /* The JS rounding is specified as round to nearest ties away from + zero (RNDNA), but in printf the "ties" case is not specified + (for example it is RNDN for glibc, RNDNA for Windows), so we + must round manually. */ + n1 = js_fcvt1(buf1, sizeof(buf1), d, n_digits + 1, FE_TONEAREST); + rounding_mode = FE_TONEAREST; + /* XXX: could use 2 digits to reduce the average running time */ + if (buf1[n1 - 1] == '5') { + n1 = js_fcvt1(buf1, sizeof(buf1), d, n_digits + 1, FE_DOWNWARD); + n2 = js_fcvt1(buf2, sizeof(buf2), d, n_digits + 1, FE_UPWARD); + if (n1 == n2 && memcmp(buf1, buf2, n1) == 0) { + /* exact result: round away from zero */ + if (buf1[0] == '-') + rounding_mode = FE_DOWNWARD; + else + rounding_mode = FE_UPWARD; + } + } + } +#endif /* CONFIG_PRINTF_RNDN */ + js_fcvt1(buf, buf_size, d, n_digits, rounding_mode); +} + +/* radix != 10 is only supported with flags = JS_DTOA_VAR_FORMAT */ +/* use as many digits as necessary */ +#define JS_DTOA_VAR_FORMAT (0 << 0) +/* use n_digits significant digits (1 <= n_digits <= 101) */ +#define JS_DTOA_FIXED_FORMAT (1 << 0) +/* force fractional format: [-]dd.dd with n_digits fractional digits */ +#define JS_DTOA_FRAC_FORMAT (2 << 0) +/* force exponential notation either in fixed or variable format */ +#define JS_DTOA_FORCE_EXP (1 << 2) + +/* XXX: slow and maybe not fully correct. Use libbf when it is fast enough. + XXX: radix != 10 is only supported for small integers +*/ +static void js_dtoa1(char *buf, double d, int radix, int n_digits, int flags) +{ + char *q; + + if (!isfinite(d)) { + if (isnan(d)) { + strcpy(buf, "NaN"); + } else { + q = buf; + if (d < 0) + *q++ = '-'; + strcpy(q, "Infinity"); + } + } else if (flags == JS_DTOA_VAR_FORMAT) { + int64_t i64; + char buf1[70], *ptr; + i64 = (int64_t)d; + if (d != i64 || i64 > MAX_SAFE_INTEGER || i64 < -MAX_SAFE_INTEGER) + goto generic_conv; + /* fast path for integers */ + ptr = i64toa(buf1 + sizeof(buf1), i64, radix); + strcpy(buf, ptr); + } else { + if (d == 0.0) + d = 0.0; /* convert -0 to 0 */ + if (flags == JS_DTOA_FRAC_FORMAT) { + js_fcvt(buf, JS_DTOA_BUF_SIZE, d, n_digits); + } else { + char buf1[JS_DTOA_BUF_SIZE]; + int sign, decpt, k, n, i, p, n_max; + BOOL is_fixed; + generic_conv: + is_fixed = ((flags & 3) == JS_DTOA_FIXED_FORMAT); + if (is_fixed) { + n_max = n_digits; + } else { + n_max = 21; + } + /* the number has k digits (k >= 1) */ + k = js_ecvt(d, n_digits, &decpt, &sign, buf1, is_fixed); + n = decpt; /* d=10^(n-k)*(buf1) i.e. d= < x.yyyy 10^(n-1) */ + q = buf; + if (sign) + *q++ = '-'; + if (flags & JS_DTOA_FORCE_EXP) + goto force_exp; + if (n >= 1 && n <= n_max) { + if (k <= n) { + memcpy(q, buf1, k); + q += k; + for(i = 0; i < (n - k); i++) + *q++ = '0'; + *q = '\0'; + } else { + /* k > n */ + memcpy(q, buf1, n); + q += n; + *q++ = '.'; + for(i = 0; i < (k - n); i++) + *q++ = buf1[n + i]; + *q = '\0'; + } + } else if (n >= -5 && n <= 0) { + *q++ = '0'; + *q++ = '.'; + for(i = 0; i < -n; i++) + *q++ = '0'; + memcpy(q, buf1, k); + q += k; + *q = '\0'; + } else { + force_exp: + /* exponential notation */ + *q++ = buf1[0]; + if (k > 1) { + *q++ = '.'; + for(i = 1; i < k; i++) + *q++ = buf1[i]; + } + *q++ = 'e'; + p = n - 1; + if (p >= 0) + *q++ = '+'; + sprintf(q, "%d", p); + } + } + } +} + +static JSValue js_dtoa(JSContext *ctx, + double d, int radix, int n_digits, int flags) +{ + char buf[JS_DTOA_BUF_SIZE]; + js_dtoa1(buf, d, radix, n_digits, flags); + return JS_NewString(ctx, buf); +} + +JSValue JS_ToStringInternal(JSContext *ctx, JSValueConst val, BOOL is_ToPropertyKey) +{ + uint32_t tag; + const char *str; + char buf[32]; + + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_STRING: + return JS_DupValue(ctx, val); + case JS_TAG_INT: + snprintf(buf, sizeof(buf), "%d", JS_VALUE_GET_INT(val)); + str = buf; + goto new_string; + case JS_TAG_BOOL: + return JS_AtomToString(ctx, JS_VALUE_GET_BOOL(val) ? + JS_ATOM_true : JS_ATOM_false); + case JS_TAG_NULL: + return JS_AtomToString(ctx, JS_ATOM_null); + case JS_TAG_UNDEFINED: + return JS_AtomToString(ctx, JS_ATOM_undefined); + case JS_TAG_EXCEPTION: + return JS_EXCEPTION; + case JS_TAG_OBJECT: + { + JSValue val1, ret; + val1 = JS_ToPrimitive(ctx, val, HINT_STRING); + if (JS_IsException(val1)) + return val1; + ret = JS_ToStringInternal(ctx, val1, is_ToPropertyKey); + JS_FreeValue(ctx, val1); + return ret; + } + break; + case JS_TAG_FUNCTION_BYTECODE: + str = "[function bytecode]"; + goto new_string; + case JS_TAG_SYMBOL: + if (is_ToPropertyKey) { + return JS_DupValue(ctx, val); + } else { + return JS_ThrowTypeError(ctx, "cannot convert symbol to string"); + } + case JS_TAG_FLOAT64: + return js_dtoa(ctx, JS_VALUE_GET_FLOAT64(val), 10, 0, + JS_DTOA_VAR_FORMAT); +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + return ctx->rt->bigint_ops.to_string(ctx, val); + case JS_TAG_BIG_FLOAT: + return ctx->rt->bigfloat_ops.to_string(ctx, val); + case JS_TAG_BIG_DECIMAL: + return ctx->rt->bigdecimal_ops.to_string(ctx, val); +#endif + default: + str = "[unsupported type]"; + new_string: + return JS_NewString(ctx, str); + } +} + +JSValue JS_ToString(JSContext *ctx, JSValueConst val) +{ + return JS_ToStringInternal(ctx, val, FALSE); +} + +static JSValue JS_ToStringFree(JSContext *ctx, JSValue val) +{ + JSValue ret; + ret = JS_ToString(ctx, val); + JS_FreeValue(ctx, val); + return ret; +} + +static JSValue JS_ToLocaleStringFree(JSContext *ctx, JSValue val) +{ + if (JS_IsUndefined(val) || JS_IsNull(val)) + return JS_ToStringFree(ctx, val); + return JS_InvokeFree(ctx, val, JS_ATOM_toLocaleString, 0, NULL); +} + +JSValue JS_ToPropertyKey(JSContext *ctx, JSValueConst val) +{ + return JS_ToStringInternal(ctx, val, TRUE); +} + +static JSValue JS_ToStringCheckObject(JSContext *ctx, JSValueConst val) +{ + uint32_t tag = JS_VALUE_GET_TAG(val); + if (tag == JS_TAG_NULL || tag == JS_TAG_UNDEFINED) + return JS_ThrowTypeError(ctx, "null or undefined are forbidden"); + return JS_ToString(ctx, val); +} + +static JSValue JS_ToQuotedString(JSContext *ctx, JSValueConst val1) +{ + JSValue val; + JSString *p; + int i; + uint32_t c; + StringBuffer b_s, *b = &b_s; + char buf[16]; + + val = JS_ToStringCheckObject(ctx, val1); + if (JS_IsException(val)) + return val; + p = JS_VALUE_GET_STRING(val); + + if (string_buffer_init(ctx, b, p->len + 2)) + goto fail; + + if (string_buffer_putc8(b, '\"')) + goto fail; + for(i = 0; i < p->len; ) { + c = string_getc(p, &i); + switch(c) { + case '\t': + c = 't'; + goto quote; + case '\r': + c = 'r'; + goto quote; + case '\n': + c = 'n'; + goto quote; + case '\b': + c = 'b'; + goto quote; + case '\f': + c = 'f'; + goto quote; + case '\"': + case '\\': + quote: + if (string_buffer_putc8(b, '\\')) + goto fail; + if (string_buffer_putc8(b, c)) + goto fail; + break; + default: + if (c < 32 || (c >= 0xd800 && c < 0xe000)) { + snprintf(buf, sizeof(buf), "\\u%04x", c); + if (string_buffer_puts8(b, buf)) + goto fail; + } else { + if (string_buffer_putc(b, c)) + goto fail; + } + break; + } + } + if (string_buffer_putc8(b, '\"')) + goto fail; + JS_FreeValue(ctx, val); + return string_buffer_end(b); + fail: + JS_FreeValue(ctx, val); + string_buffer_free(b); + return JS_EXCEPTION; +} + +static __maybe_unused void JS_DumpObjectHeader(JSRuntime *rt) +{ + printf("%14s %4s %4s %14s %10s %s\n", + "ADDRESS", "REFS", "SHRF", "PROTO", "CLASS", "PROPS"); +} + +/* for debug only: dump an object without side effect */ +static __maybe_unused void JS_DumpObject(JSRuntime *rt, JSObject *p) +{ + uint32_t i; + char atom_buf[ATOM_GET_STR_BUF_SIZE]; + JSShape *sh; + JSShapeProperty *prs; + JSProperty *pr; + BOOL is_first = TRUE; + + /* XXX: should encode atoms with special characters */ + sh = p->shape; /* the shape can be NULL while freeing an object */ + printf("%14p %4d ", + (void *)p, + p->header.ref_count); + if (sh) { + printf("%3d%c %14p ", + sh->header.ref_count, + " *"[sh->is_hashed], + (void *)sh->proto); + } else { + printf("%3s %14s ", "-", "-"); + } + printf("%10s ", + JS_AtomGetStrRT(rt, atom_buf, sizeof(atom_buf), rt->class_array[p->class_id].class_name)); + if (p->is_exotic && p->fast_array) { + printf("[ "); + for(i = 0; i < p->u.array.count; i++) { + if (i != 0) + printf(", "); + switch (p->class_id) { + case JS_CLASS_ARRAY: + case JS_CLASS_ARGUMENTS: + JS_DumpValueShort(rt, p->u.array.u.values[i]); + break; + case JS_CLASS_UINT8C_ARRAY ... JS_CLASS_FLOAT64_ARRAY: + { + int size = 1 << typed_array_size_log2(p->class_id); + const uint8_t *b = p->u.array.u.uint8_ptr + i * size; + while (size-- > 0) + printf("%02X", *b++); + } + break; + } + } + printf(" ] "); + } + + if (sh) { + printf("{ "); + for(i = 0, prs = get_shape_prop(sh); i < sh->prop_count; i++, prs++) { + if (prs->atom != JS_ATOM_NULL) { + pr = &p->prop[i]; + if (!is_first) + printf(", "); + printf("%s: ", + JS_AtomGetStrRT(rt, atom_buf, sizeof(atom_buf), prs->atom)); + if ((prs->flags & JS_PROP_TMASK) == JS_PROP_GETSET) { + printf("[getset %p %p]", (void *)pr->u.getset.getter, + (void *)pr->u.getset.setter); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_VARREF) { + printf("[varref %p]", (void *)pr->u.var_ref); + } else if ((prs->flags & JS_PROP_TMASK) == JS_PROP_AUTOINIT) { + printf("[autoinit %p %d %p]", + (void *)js_autoinit_get_realm(pr), + js_autoinit_get_id(pr), + (void *)pr->u.init.opaque); + } else { + JS_DumpValueShort(rt, pr->u.value); + } + is_first = FALSE; + } + } + printf(" }"); + } + + if (js_class_has_bytecode(p->class_id)) { + JSFunctionBytecode *b = p->u.func.function_bytecode; + JSVarRef **var_refs; + if (b->closure_var_count) { + var_refs = p->u.func.var_refs; + printf(" Closure:"); + for(i = 0; i < b->closure_var_count; i++) { + printf(" "); + JS_DumpValueShort(rt, var_refs[i]->value); + } + if (p->u.func.home_object) { + printf(" HomeObject: "); + JS_DumpValueShort(rt, JS_MKPTR(JS_TAG_OBJECT, p->u.func.home_object)); + } + } + } + printf("\n"); +} + +static __maybe_unused void JS_DumpGCObject(JSRuntime *rt, JSGCObjectHeader *p) +{ + if (p->gc_obj_type == JS_GC_OBJ_TYPE_JS_OBJECT) { + JS_DumpObject(rt, (JSObject *)p); + } else { + printf("%14p %4d ", + (void *)p, + p->ref_count); + switch(p->gc_obj_type) { + case JS_GC_OBJ_TYPE_FUNCTION_BYTECODE: + printf("[function bytecode]"); + break; + case JS_GC_OBJ_TYPE_SHAPE: + printf("[shape]"); + break; + case JS_GC_OBJ_TYPE_VAR_REF: + printf("[var_ref]"); + break; + case JS_GC_OBJ_TYPE_ASYNC_FUNCTION: + printf("[async_function]"); + break; + case JS_GC_OBJ_TYPE_JS_CONTEXT: + printf("[js_context]"); + break; + default: + printf("[unknown %d]", p->gc_obj_type); + break; + } + printf("\n"); + } +} + +static __maybe_unused void JS_DumpValueShort(JSRuntime *rt, + JSValueConst val) +{ + uint32_t tag = JS_VALUE_GET_NORM_TAG(val); + const char *str; + + switch(tag) { + case JS_TAG_INT: + printf("%d", JS_VALUE_GET_INT(val)); + break; + case JS_TAG_BOOL: + if (JS_VALUE_GET_BOOL(val)) + str = "true"; + else + str = "false"; + goto print_str; + case JS_TAG_NULL: + str = "null"; + goto print_str; + case JS_TAG_EXCEPTION: + str = "exception"; + goto print_str; + case JS_TAG_UNINITIALIZED: + str = "uninitialized"; + goto print_str; + case JS_TAG_UNDEFINED: + str = "undefined"; + print_str: + printf("%s", str); + break; + case JS_TAG_FLOAT64: + printf("%.14g", JS_VALUE_GET_FLOAT64(val)); + break; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + char *str; + str = bf_ftoa(NULL, &p->num, 10, 0, + BF_RNDZ | BF_FTOA_FORMAT_FRAC); + printf("%sn", str); + bf_realloc(&rt->bf_ctx, str, 0); + } + break; + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + char *str; + str = bf_ftoa(NULL, &p->num, 16, BF_PREC_INF, + BF_RNDZ | BF_FTOA_FORMAT_FREE | BF_FTOA_ADD_PREFIX); + printf("%sl", str); + bf_free(&rt->bf_ctx, str); + } + break; + case JS_TAG_BIG_DECIMAL: + { + JSBigDecimal *p = JS_VALUE_GET_PTR(val); + char *str; + str = bfdec_ftoa(NULL, &p->num, BF_PREC_INF, + BF_RNDZ | BF_FTOA_FORMAT_FREE); + printf("%sm", str); + bf_free(&rt->bf_ctx, str); + } + break; +#endif + case JS_TAG_STRING: + { + JSString *p; + p = JS_VALUE_GET_STRING(val); + JS_DumpString(rt, p); + } + break; + case JS_TAG_FUNCTION_BYTECODE: + { + JSFunctionBytecode *b = JS_VALUE_GET_PTR(val); + char buf[ATOM_GET_STR_BUF_SIZE]; + printf("[bytecode %s]", JS_AtomGetStrRT(rt, buf, sizeof(buf), b->func_name)); + } + break; + case JS_TAG_OBJECT: + { + JSObject *p = JS_VALUE_GET_OBJ(val); + JSAtom atom = rt->class_array[p->class_id].class_name; + char atom_buf[ATOM_GET_STR_BUF_SIZE]; + printf("[%s %p]", + JS_AtomGetStrRT(rt, atom_buf, sizeof(atom_buf), atom), (void *)p); + } + break; + case JS_TAG_SYMBOL: + { + JSAtomStruct *p = JS_VALUE_GET_PTR(val); + char atom_buf[ATOM_GET_STR_BUF_SIZE]; + printf("Symbol(%s)", + JS_AtomGetStrRT(rt, atom_buf, sizeof(atom_buf), js_get_atom_index(rt, p))); + } + break; + case JS_TAG_MODULE: + printf("[module]"); + break; + default: + printf("[unknown tag %d]", tag); + break; + } +} + +static __maybe_unused void JS_DumpValue(JSContext *ctx, + JSValueConst val) +{ + JS_DumpValueShort(ctx->rt, val); +} + +static __maybe_unused void JS_PrintValue(JSContext *ctx, + const char *str, + JSValueConst val) +{ + printf("%s=", str); + JS_DumpValueShort(ctx->rt, val); + printf("\n"); +} + +/* return -1 if exception (proxy case) or TRUE/FALSE */ +int JS_IsArray(JSContext *ctx, JSValueConst val) +{ + JSObject *p; + if (JS_VALUE_GET_TAG(val) == JS_TAG_OBJECT) { + p = JS_VALUE_GET_OBJ(val); + if (unlikely(p->class_id == JS_CLASS_PROXY)) + return js_proxy_isArray(ctx, val); + else + return p->class_id == JS_CLASS_ARRAY; + } else { + return FALSE; + } +} + +static double js_pow(double a, double b) +{ + if (unlikely(!isfinite(b)) && fabs(a) == 1) { + /* not compatible with IEEE 754 */ + return JS_FLOAT64_NAN; + } else { + return pow(a, b); + } +} + +#ifdef CONFIG_BIGNUM + +JSValue JS_NewBigInt64_1(JSContext *ctx, int64_t v) +{ + JSValue val; + bf_t *a; + val = JS_NewBigInt(ctx); + if (JS_IsException(val)) + return val; + a = JS_GetBigInt(val); + if (bf_set_si(a, v)) { + JS_FreeValue(ctx, val); + return JS_ThrowOutOfMemory(ctx); + } + return val; +} + +JSValue JS_NewBigInt64(JSContext *ctx, int64_t v) +{ + if (is_math_mode(ctx) && + v >= -MAX_SAFE_INTEGER && v <= MAX_SAFE_INTEGER) { + return JS_NewInt64(ctx, v); + } else { + return JS_NewBigInt64_1(ctx, v); + } +} + +JSValue JS_NewBigUint64(JSContext *ctx, uint64_t v) +{ + JSValue val; + if (is_math_mode(ctx) && v <= MAX_SAFE_INTEGER) { + val = JS_NewInt64(ctx, v); + } else { + bf_t *a; + val = JS_NewBigInt(ctx); + if (JS_IsException(val)) + return val; + a = JS_GetBigInt(val); + if (bf_set_ui(a, v)) { + JS_FreeValue(ctx, val); + return JS_ThrowOutOfMemory(ctx); + } + } + return val; +} + +/* if the returned bigfloat is allocated it is equal to + 'buf'. Otherwise it is a pointer to the bigfloat in 'val'. Return + NULL in case of error. */ +static bf_t *JS_ToBigFloat(JSContext *ctx, bf_t *buf, JSValueConst val) +{ + uint32_t tag; + bf_t *r; + JSBigFloat *p; + + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_BOOL: + case JS_TAG_NULL: + r = buf; + bf_init(ctx->bf_ctx, r); + if (bf_set_si(r, JS_VALUE_GET_INT(val))) + goto fail; + break; + case JS_TAG_FLOAT64: + r = buf; + bf_init(ctx->bf_ctx, r); + if (bf_set_float64(r, JS_VALUE_GET_FLOAT64(val))) { + fail: + bf_delete(r); + return NULL; + } + break; + case JS_TAG_BIG_INT: + case JS_TAG_BIG_FLOAT: + p = JS_VALUE_GET_PTR(val); + r = &p->num; + break; + case JS_TAG_UNDEFINED: + default: + r = buf; + bf_init(ctx->bf_ctx, r); + bf_set_nan(r); + break; + } + return r; +} + +/* return NULL if invalid type */ +static bfdec_t *JS_ToBigDecimal(JSContext *ctx, JSValueConst val) +{ + uint32_t tag; + JSBigDecimal *p; + bfdec_t *r; + + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_BIG_DECIMAL: + p = JS_VALUE_GET_PTR(val); + r = &p->num; + break; + default: + JS_ThrowTypeError(ctx, "bigdecimal expected"); + r = NULL; + break; + } + return r; +} + +/* return NaN if bad bigint literal */ +static JSValue JS_StringToBigInt(JSContext *ctx, JSValue val) +{ + const char *str, *p; + size_t len; + int flags; + + str = JS_ToCStringLen(ctx, &len, val); + JS_FreeValue(ctx, val); + if (!str) + return JS_EXCEPTION; + p = str; + p += skip_spaces(p); + if ((p - str) == len) { + val = JS_NewBigInt64(ctx, 0); + } else { + flags = ATOD_INT_ONLY | ATOD_ACCEPT_BIN_OCT | ATOD_TYPE_BIG_INT; + if (is_math_mode(ctx)) + flags |= ATOD_MODE_BIGINT; + val = js_atof(ctx, p, &p, 0, flags); + p += skip_spaces(p); + if (!JS_IsException(val)) { + if ((p - str) != len) { + JS_FreeValue(ctx, val); + val = JS_NAN; + } + } + } + JS_FreeCString(ctx, str); + return val; +} + +static JSValue JS_StringToBigIntErr(JSContext *ctx, JSValue val) +{ + val = JS_StringToBigInt(ctx, val); + if (JS_VALUE_IS_NAN(val)) + return JS_ThrowSyntaxError(ctx, "invalid bigint literal"); + return val; +} + +/* if the returned bigfloat is allocated it is equal to + 'buf'. Otherwise it is a pointer to the bigfloat in 'val'. */ +static bf_t *JS_ToBigIntFree(JSContext *ctx, bf_t *buf, JSValue val) +{ + uint32_t tag; + bf_t *r; + JSBigFloat *p; + + redo: + tag = JS_VALUE_GET_NORM_TAG(val); + switch(tag) { + case JS_TAG_INT: + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + if (!is_math_mode(ctx)) + goto fail; + /* fall tru */ + case JS_TAG_BOOL: + r = buf; + bf_init(ctx->bf_ctx, r); + bf_set_si(r, JS_VALUE_GET_INT(val)); + break; + case JS_TAG_FLOAT64: + { + double d = JS_VALUE_GET_FLOAT64(val); + if (!is_math_mode(ctx)) + goto fail; + if (!isfinite(d)) + goto fail; + r = buf; + bf_init(ctx->bf_ctx, r); + d = trunc(d); + bf_set_float64(r, d); + } + break; + case JS_TAG_BIG_INT: + p = JS_VALUE_GET_PTR(val); + r = &p->num; + break; + case JS_TAG_BIG_FLOAT: + if (!is_math_mode(ctx)) + goto fail; + p = JS_VALUE_GET_PTR(val); + if (!bf_is_finite(&p->num)) + goto fail; + r = buf; + bf_init(ctx->bf_ctx, r); + bf_set(r, &p->num); + bf_rint(r, BF_RNDZ); + JS_FreeValue(ctx, val); + break; + case JS_TAG_STRING: + val = JS_StringToBigIntErr(ctx, val); + if (JS_IsException(val)) + return NULL; + goto redo; + case JS_TAG_OBJECT: + val = JS_ToPrimitiveFree(ctx, val, HINT_NUMBER); + if (JS_IsException(val)) + return NULL; + goto redo; + default: + fail: + JS_FreeValue(ctx, val); + JS_ThrowTypeError(ctx, "cannot convert to bigint"); + return NULL; + } + return r; +} + +static bf_t *JS_ToBigInt(JSContext *ctx, bf_t *buf, JSValueConst val) +{ + return JS_ToBigIntFree(ctx, buf, JS_DupValue(ctx, val)); +} + +static __maybe_unused JSValue JS_ToBigIntValueFree(JSContext *ctx, JSValue val) +{ + if (JS_VALUE_GET_TAG(val) == JS_TAG_BIG_INT) { + return val; + } else { + bf_t a_s, *a, *r; + int ret; + JSValue res; + + res = JS_NewBigInt(ctx); + if (JS_IsException(res)) + return JS_EXCEPTION; + a = JS_ToBigIntFree(ctx, &a_s, val); + if (!a) { + JS_FreeValue(ctx, res); + return JS_EXCEPTION; + } + r = JS_GetBigInt(res); + ret = bf_set(r, a); + JS_FreeBigInt(ctx, a, &a_s); + if (ret) { + JS_FreeValue(ctx, res); + return JS_ThrowOutOfMemory(ctx); + } + return JS_CompactBigInt(ctx, res); + } +} + +/* free the bf_t allocated by JS_ToBigInt */ +static void JS_FreeBigInt(JSContext *ctx, bf_t *a, bf_t *buf) +{ + if (a == buf) { + bf_delete(a); + } else { + JSBigFloat *p = (JSBigFloat *)((uint8_t *)a - + offsetof(JSBigFloat, num)); + JS_FreeValue(ctx, JS_MKPTR(JS_TAG_BIG_FLOAT, p)); + } +} + +/* XXX: merge with JS_ToInt64Free with a specific flag */ +static int JS_ToBigInt64Free(JSContext *ctx, int64_t *pres, JSValue val) +{ + bf_t a_s, *a; + + a = JS_ToBigIntFree(ctx, &a_s, val); + if (!a) { + *pres = 0; + return -1; + } + bf_get_int64(pres, a, BF_GET_INT_MOD); + JS_FreeBigInt(ctx, a, &a_s); + return 0; +} + +int JS_ToBigInt64(JSContext *ctx, int64_t *pres, JSValueConst val) +{ + return JS_ToBigInt64Free(ctx, pres, JS_DupValue(ctx, val)); +} + +static JSBigFloat *js_new_bf(JSContext *ctx) +{ + JSBigFloat *p; + p = js_malloc(ctx, sizeof(*p)); + if (!p) + return NULL; + p->header.ref_count = 1; + bf_init(ctx->bf_ctx, &p->num); + return p; +} + +static JSValue JS_NewBigFloat(JSContext *ctx) +{ + JSBigFloat *p; + p = js_malloc(ctx, sizeof(*p)); + if (!p) + return JS_EXCEPTION; + p->header.ref_count = 1; + bf_init(ctx->bf_ctx, &p->num); + return JS_MKPTR(JS_TAG_BIG_FLOAT, p); +} + +static JSValue JS_NewBigDecimal(JSContext *ctx) +{ + JSBigDecimal *p; + p = js_malloc(ctx, sizeof(*p)); + if (!p) + return JS_EXCEPTION; + p->header.ref_count = 1; + bfdec_init(ctx->bf_ctx, &p->num); + return JS_MKPTR(JS_TAG_BIG_DECIMAL, p); +} + +static JSValue JS_NewBigInt(JSContext *ctx) +{ + JSBigFloat *p; + p = js_malloc(ctx, sizeof(*p)); + if (!p) + return JS_EXCEPTION; + p->header.ref_count = 1; + bf_init(ctx->bf_ctx, &p->num); + return JS_MKPTR(JS_TAG_BIG_INT, p); +} + +static JSValue JS_CompactBigInt1(JSContext *ctx, JSValue val, + BOOL convert_to_safe_integer) +{ + int64_t v; + bf_t *a; + + if (JS_VALUE_GET_TAG(val) != JS_TAG_BIG_INT) + return val; /* fail safe */ + a = JS_GetBigInt(val); + if (convert_to_safe_integer && bf_get_int64(&v, a, 0) == 0 && + v >= -MAX_SAFE_INTEGER && v <= MAX_SAFE_INTEGER) { + JS_FreeValue(ctx, val); + return JS_NewInt64(ctx, v); + } else if (a->expn == BF_EXP_ZERO && a->sign) { + JSBigFloat *p = JS_VALUE_GET_PTR(val); + assert(p->header.ref_count == 1); + a->sign = 0; + } + return val; +} + +/* Convert the big int to a safe integer if in math mode. normalize + the zero representation. Could also be used to convert the bigint + to a short bigint value. The reference count of the value must be + 1. Cannot fail */ +static JSValue JS_CompactBigInt(JSContext *ctx, JSValue val) +{ + return JS_CompactBigInt1(ctx, val, is_math_mode(ctx)); +} + +/* must be kept in sync with JSOverloadableOperatorEnum */ +/* XXX: use atoms ? */ +static const char js_overloadable_operator_names[JS_OVOP_COUNT][4] = { + "+", + "-", + "*", + "/", + "%", + "**", + "|", + "&", + "^", + "<<", + ">>", + ">>>", + "==", + "<", + "pos", + "neg", + "++", + "--", + "~", +}; + +static int get_ovop_from_opcode(OPCodeEnum op) +{ + switch(op) { + case OP_add: + return JS_OVOP_ADD; + case OP_sub: + return JS_OVOP_SUB; + case OP_mul: + return JS_OVOP_MUL; + case OP_div: + return JS_OVOP_DIV; + case OP_mod: + case OP_math_mod: + return JS_OVOP_MOD; + case OP_pow: + return JS_OVOP_POW; + case OP_or: + return JS_OVOP_OR; + case OP_and: + return JS_OVOP_AND; + case OP_xor: + return JS_OVOP_XOR; + case OP_shl: + return JS_OVOP_SHL; + case OP_sar: + return JS_OVOP_SAR; + case OP_shr: + return JS_OVOP_SHR; + case OP_eq: + case OP_neq: + return JS_OVOP_EQ; + case OP_lt: + case OP_lte: + case OP_gt: + case OP_gte: + return JS_OVOP_LESS; + case OP_plus: + return JS_OVOP_POS; + case OP_neg: + return JS_OVOP_NEG; + case OP_inc: + return JS_OVOP_INC; + case OP_dec: + return JS_OVOP_DEC; + default: + abort(); + } +} + +/* return NULL if not present */ +static JSObject *find_binary_op(JSBinaryOperatorDef *def, + uint32_t operator_index, + JSOverloadableOperatorEnum op) +{ + JSBinaryOperatorDefEntry *ent; + int i; + for(i = 0; i < def->count; i++) { + ent = &def->tab[i]; + if (ent->operator_index == operator_index) + return ent->ops[op]; + } + return NULL; +} + +/* return -1 if exception, 0 if no operator overloading, 1 if + overloaded operator called */ +static __exception int js_call_binary_op_fallback(JSContext *ctx, + JSValue *pret, + JSValueConst op1, + JSValueConst op2, + OPCodeEnum op, + BOOL is_numeric, + int hint) +{ + JSValue opset1_obj, opset2_obj, method, ret, new_op1, new_op2; + JSOperatorSetData *opset1, *opset2; + JSOverloadableOperatorEnum ovop; + JSObject *p; + JSValueConst args[2]; + + if (!ctx->allow_operator_overloading) + return 0; + + opset2_obj = JS_UNDEFINED; + opset1_obj = JS_GetProperty(ctx, op1, JS_ATOM_Symbol_operatorSet); + if (JS_IsException(opset1_obj)) + goto exception; + if (JS_IsUndefined(opset1_obj)) + return 0; + opset1 = JS_GetOpaque2(ctx, opset1_obj, JS_CLASS_OPERATOR_SET); + if (!opset1) + goto exception; + + opset2_obj = JS_GetProperty(ctx, op2, JS_ATOM_Symbol_operatorSet); + if (JS_IsException(opset2_obj)) + goto exception; + if (JS_IsUndefined(opset2_obj)) { + JS_FreeValue(ctx, opset1_obj); + return 0; + } + opset2 = JS_GetOpaque2(ctx, opset2_obj, JS_CLASS_OPERATOR_SET); + if (!opset2) + goto exception; + + if (opset1->is_primitive && opset2->is_primitive) { + JS_FreeValue(ctx, opset1_obj); + JS_FreeValue(ctx, opset2_obj); + return 0; + } + + ovop = get_ovop_from_opcode(op); + + if (opset1->operator_counter == opset2->operator_counter) { + p = opset1->self_ops[ovop]; + } else if (opset1->operator_counter > opset2->operator_counter) { + p = find_binary_op(&opset1->left, opset2->operator_counter, ovop); + } else { + p = find_binary_op(&opset2->right, opset1->operator_counter, ovop); + } + if (!p) { + JS_ThrowTypeError(ctx, "operator %s: no function defined", + js_overloadable_operator_names[ovop]); + goto exception; + } + + if (opset1->is_primitive) { + if (is_numeric) { + new_op1 = JS_ToNumeric(ctx, op1); + } else { + new_op1 = JS_ToPrimitive(ctx, op1, hint); + } + if (JS_IsException(new_op1)) + goto exception; + } else { + new_op1 = JS_DupValue(ctx, op1); + } + + if (opset2->is_primitive) { + if (is_numeric) { + new_op2 = JS_ToNumeric(ctx, op2); + } else { + new_op2 = JS_ToPrimitive(ctx, op2, hint); + } + if (JS_IsException(new_op2)) { + JS_FreeValue(ctx, new_op1); + goto exception; + } + } else { + new_op2 = JS_DupValue(ctx, op2); + } + + /* XXX: could apply JS_ToPrimitive() if primitive type so that the + operator function does not get a value object */ + + method = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + if (ovop == JS_OVOP_LESS && (op == OP_lte || op == OP_gt)) { + args[0] = new_op2; + args[1] = new_op1; + } else { + args[0] = new_op1; + args[1] = new_op2; + } + ret = JS_CallFree(ctx, method, JS_UNDEFINED, 2, args); + JS_FreeValue(ctx, new_op1); + JS_FreeValue(ctx, new_op2); + if (JS_IsException(ret)) + goto exception; + if (ovop == JS_OVOP_EQ) { + BOOL res = JS_ToBoolFree(ctx, ret); + if (op == OP_neq) + res ^= 1; + ret = JS_NewBool(ctx, res); + } else if (ovop == JS_OVOP_LESS) { + if (JS_IsUndefined(ret)) { + ret = JS_FALSE; + } else { + BOOL res = JS_ToBoolFree(ctx, ret); + if (op == OP_lte || op == OP_gte) + res ^= 1; + ret = JS_NewBool(ctx, res); + } + } + JS_FreeValue(ctx, opset1_obj); + JS_FreeValue(ctx, opset2_obj); + *pret = ret; + return 1; + exception: + JS_FreeValue(ctx, opset1_obj); + JS_FreeValue(ctx, opset2_obj); + *pret = JS_UNDEFINED; + return -1; +} + +/* try to call the operation on the operatorSet field of 'obj'. Only + used for "/" and "**" on the BigInt prototype in math mode */ +static __exception int js_call_binary_op_simple(JSContext *ctx, + JSValue *pret, + JSValueConst obj, + JSValueConst op1, + JSValueConst op2, + OPCodeEnum op) +{ + JSValue opset1_obj, method, ret, new_op1, new_op2; + JSOperatorSetData *opset1; + JSOverloadableOperatorEnum ovop; + JSObject *p; + JSValueConst args[2]; + + opset1_obj = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_operatorSet); + if (JS_IsException(opset1_obj)) + goto exception; + if (JS_IsUndefined(opset1_obj)) + return 0; + opset1 = JS_GetOpaque2(ctx, opset1_obj, JS_CLASS_OPERATOR_SET); + if (!opset1) + goto exception; + ovop = get_ovop_from_opcode(op); + + p = opset1->self_ops[ovop]; + if (!p) { + JS_FreeValue(ctx, opset1_obj); + return 0; + } + + new_op1 = JS_ToNumeric(ctx, op1); + if (JS_IsException(new_op1)) + goto exception; + new_op2 = JS_ToNumeric(ctx, op2); + if (JS_IsException(new_op2)) { + JS_FreeValue(ctx, new_op1); + goto exception; + } + + method = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + args[0] = new_op1; + args[1] = new_op2; + ret = JS_CallFree(ctx, method, JS_UNDEFINED, 2, args); + JS_FreeValue(ctx, new_op1); + JS_FreeValue(ctx, new_op2); + if (JS_IsException(ret)) + goto exception; + JS_FreeValue(ctx, opset1_obj); + *pret = ret; + return 1; + exception: + JS_FreeValue(ctx, opset1_obj); + *pret = JS_UNDEFINED; + return -1; +} + +/* return -1 if exception, 0 if no operator overloading, 1 if + overloaded operator called */ +static __exception int js_call_unary_op_fallback(JSContext *ctx, + JSValue *pret, + JSValueConst op1, + OPCodeEnum op) +{ + JSValue opset1_obj, method, ret; + JSOperatorSetData *opset1; + JSOverloadableOperatorEnum ovop; + JSObject *p; + + if (!ctx->allow_operator_overloading) + return 0; + + opset1_obj = JS_GetProperty(ctx, op1, JS_ATOM_Symbol_operatorSet); + if (JS_IsException(opset1_obj)) + goto exception; + if (JS_IsUndefined(opset1_obj)) + return 0; + opset1 = JS_GetOpaque2(ctx, opset1_obj, JS_CLASS_OPERATOR_SET); + if (!opset1) + goto exception; + if (opset1->is_primitive) { + JS_FreeValue(ctx, opset1_obj); + return 0; + } + + ovop = get_ovop_from_opcode(op); + + p = opset1->self_ops[ovop]; + if (!p) { + JS_ThrowTypeError(ctx, "no overloaded operator %s", + js_overloadable_operator_names[ovop]); + goto exception; + } + method = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p)); + ret = JS_CallFree(ctx, method, JS_UNDEFINED, 1, &op1); + if (JS_IsException(ret)) + goto exception; + JS_FreeValue(ctx, opset1_obj); + *pret = ret; + return 1; + exception: + JS_FreeValue(ctx, opset1_obj); + *pret = JS_UNDEFINED; + return -1; +} + +static JSValue throw_bf_exception(JSContext *ctx, int status) +{ + const char *str; + if (status & BF_ST_MEM_ERROR) + return JS_ThrowOutOfMemory(ctx); + if (status & BF_ST_DIVIDE_ZERO) { + str = "division by zero"; + } else if (status & BF_ST_INVALID_OP) { + str = "invalid operation"; + } else { + str = "integer overflow"; + } + return JS_ThrowRangeError(ctx, "%s", str); +} + +static int js_unary_arith_bigint(JSContext *ctx, + JSValue *pres, OPCodeEnum op, JSValue op1) +{ + bf_t a_s, *r, *a; + int ret, v; + JSValue res; + + if (op == OP_plus && !is_math_mode(ctx)) { + JS_ThrowTypeError(ctx, "bigint argument with unary +"); + JS_FreeValue(ctx, op1); + return -1; + } + res = JS_NewBigInt(ctx); + if (JS_IsException(res)) { + JS_FreeValue(ctx, op1); + return -1; + } + r = JS_GetBigInt(res); + a = JS_ToBigInt(ctx, &a_s, op1); + ret = 0; + switch(op) { + case OP_inc: + case OP_dec: + v = 2 * (op - OP_dec) - 1; + ret = bf_add_si(r, a, v, BF_PREC_INF, BF_RNDZ); + break; + case OP_plus: + ret = bf_set(r, a); + break; + case OP_neg: + ret = bf_set(r, a); + bf_neg(r); + break; + case OP_not: + ret = bf_add_si(r, a, 1, BF_PREC_INF, BF_RNDZ); + bf_neg(r); + break; + default: + abort(); + } + JS_FreeBigInt(ctx, a, &a_s); + JS_FreeValue(ctx, op1); + if (unlikely(ret)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + res = JS_CompactBigInt(ctx, res); + *pres = res; + return 0; +} + +static int js_unary_arith_bigfloat(JSContext *ctx, + JSValue *pres, OPCodeEnum op, JSValue op1) +{ + bf_t a_s, *r, *a; + int ret, v; + JSValue res; + + if (op == OP_plus && !is_math_mode(ctx)) { + JS_ThrowTypeError(ctx, "bigfloat argument with unary +"); + JS_FreeValue(ctx, op1); + return -1; + } + + res = JS_NewBigFloat(ctx); + if (JS_IsException(res)) { + JS_FreeValue(ctx, op1); + return -1; + } + r = JS_GetBigFloat(res); + a = JS_ToBigFloat(ctx, &a_s, op1); + ret = 0; + switch(op) { + case OP_inc: + case OP_dec: + v = 2 * (op - OP_dec) - 1; + ret = bf_add_si(r, a, v, ctx->fp_env.prec, ctx->fp_env.flags); + break; + case OP_plus: + ret = bf_set(r, a); + break; + case OP_neg: + ret = bf_set(r, a); + bf_neg(r); + break; + default: + abort(); + } + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, op1); + if (unlikely(ret & BF_ST_MEM_ERROR)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = res; + return 0; +} + +static int js_unary_arith_bigdecimal(JSContext *ctx, + JSValue *pres, OPCodeEnum op, JSValue op1) +{ + bfdec_t *r, *a; + int ret, v; + JSValue res; + + if (op == OP_plus && !is_math_mode(ctx)) { + JS_ThrowTypeError(ctx, "bigdecimal argument with unary +"); + JS_FreeValue(ctx, op1); + return -1; + } + + res = JS_NewBigDecimal(ctx); + if (JS_IsException(res)) { + JS_FreeValue(ctx, op1); + return -1; + } + r = JS_GetBigDecimal(res); + a = JS_ToBigDecimal(ctx, op1); + ret = 0; + switch(op) { + case OP_inc: + case OP_dec: + v = 2 * (op - OP_dec) - 1; + ret = bfdec_add_si(r, a, v, BF_PREC_INF, BF_RNDZ); + break; + case OP_plus: + ret = bfdec_set(r, a); + break; + case OP_neg: + ret = bfdec_set(r, a); + bfdec_neg(r); + break; + default: + abort(); + } + JS_FreeValue(ctx, op1); + if (unlikely(ret)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = res; + return 0; +} + +static no_inline __exception int js_unary_arith_slow(JSContext *ctx, + JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, val; + int v, ret; + uint32_t tag; + + op1 = sp[-1]; + /* fast path for float64 */ + if (JS_TAG_IS_FLOAT64(JS_VALUE_GET_TAG(op1))) + goto handle_float64; + if (JS_IsObject(op1)) { + ret = js_call_unary_op_fallback(ctx, &val, op1, op); + if (ret < 0) + return -1; + if (ret) { + JS_FreeValue(ctx, op1); + sp[-1] = val; + return 0; + } + } + + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) + goto exception; + tag = JS_VALUE_GET_TAG(op1); + switch(tag) { + case JS_TAG_INT: + { + int64_t v64; + v64 = JS_VALUE_GET_INT(op1); + switch(op) { + case OP_inc: + case OP_dec: + v = 2 * (op - OP_dec) - 1; + v64 += v; + break; + case OP_plus: + break; + case OP_neg: + if (v64 == 0) { + sp[-1] = __JS_NewFloat64(ctx, -0.0); + return 0; + } else { + v64 = -v64; + } + break; + default: + abort(); + } + sp[-1] = JS_NewInt64(ctx, v64); + } + break; + case JS_TAG_BIG_INT: + handle_bigint: + if (ctx->rt->bigint_ops.unary_arith(ctx, sp - 1, op, op1)) + goto exception; + break; + case JS_TAG_BIG_FLOAT: + if (ctx->rt->bigfloat_ops.unary_arith(ctx, sp - 1, op, op1)) + goto exception; + break; + case JS_TAG_BIG_DECIMAL: + if (ctx->rt->bigdecimal_ops.unary_arith(ctx, sp - 1, op, op1)) + goto exception; + break; + default: + handle_float64: + { + double d; + if (is_math_mode(ctx)) + goto handle_bigint; + d = JS_VALUE_GET_FLOAT64(op1); + switch(op) { + case OP_inc: + case OP_dec: + v = 2 * (op - OP_dec) - 1; + d += v; + break; + case OP_plus: + break; + case OP_neg: + d = -d; + break; + default: + abort(); + } + sp[-1] = __JS_NewFloat64(ctx, d); + } + break; + } + return 0; + exception: + sp[-1] = JS_UNDEFINED; + return -1; +} + +static __exception int js_post_inc_slow(JSContext *ctx, + JSValue *sp, OPCodeEnum op) +{ + JSValue op1; + + /* XXX: allow custom operators */ + op1 = sp[-1]; + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + sp[-1] = JS_UNDEFINED; + return -1; + } + sp[-1] = op1; + sp[0] = JS_DupValue(ctx, op1); + return js_unary_arith_slow(ctx, sp + 1, op - OP_post_dec + OP_dec); +} + +static no_inline int js_not_slow(JSContext *ctx, JSValue *sp) +{ + JSValue op1, val; + int ret; + + op1 = sp[-1]; + if (JS_IsObject(op1)) { + ret = js_call_unary_op_fallback(ctx, &val, op1, OP_not); + if (ret < 0) + return -1; + if (ret) { + JS_FreeValue(ctx, op1); + sp[-1] = val; + return 0; + } + } + + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) + goto exception; + if (is_math_mode(ctx) || JS_VALUE_GET_TAG(op1) == JS_TAG_BIG_INT) { + if (ctx->rt->bigint_ops.unary_arith(ctx, sp - 1, OP_not, op1)) + goto exception; + } else { + int32_t v1; + if (unlikely(JS_ToInt32Free(ctx, &v1, op1))) + goto exception; + sp[-1] = JS_NewInt32(ctx, ~v1); + } + return 0; + exception: + sp[-1] = JS_UNDEFINED; + return -1; +} + +static int js_binary_arith_bigfloat(JSContext *ctx, OPCodeEnum op, + JSValue *pres, JSValue op1, JSValue op2) +{ + bf_t a_s, b_s, *r, *a, *b; + int ret; + JSValue res; + + res = JS_NewBigFloat(ctx); + if (JS_IsException(res)) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return -1; + } + r = JS_GetBigFloat(res); + a = JS_ToBigFloat(ctx, &a_s, op1); + b = JS_ToBigFloat(ctx, &b_s, op2); + bf_init(ctx->bf_ctx, r); + switch(op) { + case OP_add: + ret = bf_add(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags); + break; + case OP_sub: + ret = bf_sub(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags); + break; + case OP_mul: + ret = bf_mul(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags); + break; + case OP_div: + ret = bf_div(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags); + break; + case OP_math_mod: + /* Euclidian remainder */ + ret = bf_rem(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags, + BF_DIVREM_EUCLIDIAN); + break; + case OP_mod: + ret = bf_rem(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags, + BF_RNDZ); + break; + case OP_pow: + ret = bf_pow(r, a, b, ctx->fp_env.prec, + ctx->fp_env.flags | BF_POW_JS_QUIRKS); + break; + default: + abort(); + } + if (a == &a_s) + bf_delete(a); + if (b == &b_s) + bf_delete(b); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (unlikely(ret & BF_ST_MEM_ERROR)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = res; + return 0; +} + +static int js_binary_arith_bigint(JSContext *ctx, OPCodeEnum op, + JSValue *pres, JSValue op1, JSValue op2) +{ + bf_t a_s, b_s, *r, *a, *b; + int ret; + JSValue res; + + res = JS_NewBigInt(ctx); + if (JS_IsException(res)) + goto fail; + a = JS_ToBigInt(ctx, &a_s, op1); + if (!a) + goto fail; + b = JS_ToBigInt(ctx, &b_s, op2); + if (!b) { + JS_FreeBigInt(ctx, a, &a_s); + goto fail; + } + r = JS_GetBigInt(res); + ret = 0; + switch(op) { + case OP_add: + ret = bf_add(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_sub: + ret = bf_sub(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_mul: + ret = bf_mul(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_div: + if (!is_math_mode(ctx)) { + bf_t rem_s, *rem = &rem_s; + bf_init(ctx->bf_ctx, rem); + ret = bf_divrem(r, rem, a, b, BF_PREC_INF, BF_RNDZ, + BF_RNDZ); + bf_delete(rem); + } else { + goto math_mode_div_pow; + } + break; + case OP_math_mod: + /* Euclidian remainder */ + ret = bf_rem(r, a, b, BF_PREC_INF, BF_RNDZ, + BF_DIVREM_EUCLIDIAN) & BF_ST_INVALID_OP; + break; + case OP_mod: + ret = bf_rem(r, a, b, BF_PREC_INF, BF_RNDZ, + BF_RNDZ) & BF_ST_INVALID_OP; + break; + case OP_pow: + if (b->sign) { + if (!is_math_mode(ctx)) { + ret = BF_ST_INVALID_OP; + } else { + math_mode_div_pow: + JS_FreeValue(ctx, res); + ret = js_call_binary_op_simple(ctx, &res, ctx->class_proto[JS_CLASS_BIG_INT], op1, op2, op); + if (ret != 0) { + JS_FreeBigInt(ctx, a, &a_s); + JS_FreeBigInt(ctx, b, &b_s); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (ret < 0) { + return -1; + } else { + *pres = res; + return 0; + } + } + /* if no BigInt power operator defined, return a + bigfloat */ + res = JS_NewBigFloat(ctx); + if (JS_IsException(res)) { + JS_FreeBigInt(ctx, a, &a_s); + JS_FreeBigInt(ctx, b, &b_s); + goto fail; + } + r = JS_GetBigFloat(res); + if (op == OP_div) { + ret = bf_div(r, a, b, ctx->fp_env.prec, ctx->fp_env.flags) & BF_ST_MEM_ERROR; + } else { + ret = bf_pow(r, a, b, ctx->fp_env.prec, + ctx->fp_env.flags | BF_POW_JS_QUIRKS) & BF_ST_MEM_ERROR; + } + JS_FreeBigInt(ctx, a, &a_s); + JS_FreeBigInt(ctx, b, &b_s); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (unlikely(ret)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = res; + return 0; + } + } else { + ret = bf_pow(r, a, b, BF_PREC_INF, BF_RNDZ | BF_POW_JS_QUIRKS); + } + break; + + /* logical operations */ + case OP_shl: + case OP_sar: + { + slimb_t v2; +#if LIMB_BITS == 32 + bf_get_int32(&v2, b, 0); + if (v2 == INT32_MIN) + v2 = INT32_MIN + 1; +#else + bf_get_int64(&v2, b, 0); + if (v2 == INT64_MIN) + v2 = INT64_MIN + 1; +#endif + if (op == OP_sar) + v2 = -v2; + ret = bf_set(r, a); + ret |= bf_mul_2exp(r, v2, BF_PREC_INF, BF_RNDZ); + if (v2 < 0) { + ret |= bf_rint(r, BF_RNDD) & (BF_ST_OVERFLOW | BF_ST_MEM_ERROR); + } + } + break; + case OP_and: + ret = bf_logic_and(r, a, b); + break; + case OP_or: + ret = bf_logic_or(r, a, b); + break; + case OP_xor: + ret = bf_logic_xor(r, a, b); + break; + default: + abort(); + } + JS_FreeBigInt(ctx, a, &a_s); + JS_FreeBigInt(ctx, b, &b_s); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (unlikely(ret)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = JS_CompactBigInt(ctx, res); + return 0; + fail: + JS_FreeValue(ctx, res); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return -1; +} + +/* b must be a positive integer */ +static int js_bfdec_pow(bfdec_t *r, const bfdec_t *a, const bfdec_t *b) +{ + bfdec_t b1; + int32_t b2; + int ret; + + bfdec_init(b->ctx, &b1); + ret = bfdec_set(&b1, b); + if (ret) { + bfdec_delete(&b1); + return ret; + } + ret = bfdec_rint(&b1, BF_RNDZ); + if (ret) { + bfdec_delete(&b1); + return BF_ST_INVALID_OP; /* must be an integer */ + } + ret = bfdec_get_int32(&b2, &b1); + bfdec_delete(&b1); + if (ret) + return ret; /* overflow */ + if (b2 < 0) + return BF_ST_INVALID_OP; /* must be positive */ + return bfdec_pow_ui(r, a, b2); +} + +static int js_binary_arith_bigdecimal(JSContext *ctx, OPCodeEnum op, + JSValue *pres, JSValue op1, JSValue op2) +{ + bfdec_t *r, *a, *b; + int ret; + JSValue res; + + res = JS_NewBigDecimal(ctx); + if (JS_IsException(res)) + goto fail; + r = JS_GetBigDecimal(res); + + a = JS_ToBigDecimal(ctx, op1); + if (!a) + goto fail; + b = JS_ToBigDecimal(ctx, op2); + if (!b) + goto fail; + switch(op) { + case OP_add: + ret = bfdec_add(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_sub: + ret = bfdec_sub(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_mul: + ret = bfdec_mul(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_div: + ret = bfdec_div(r, a, b, BF_PREC_INF, BF_RNDZ); + break; + case OP_math_mod: + /* Euclidian remainder */ + ret = bfdec_rem(r, a, b, BF_PREC_INF, BF_RNDZ, BF_DIVREM_EUCLIDIAN); + break; + case OP_mod: + ret = bfdec_rem(r, a, b, BF_PREC_INF, BF_RNDZ, BF_RNDZ); + break; + case OP_pow: + ret = js_bfdec_pow(r, a, b); + break; + default: + abort(); + } + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (unlikely(ret)) { + JS_FreeValue(ctx, res); + throw_bf_exception(ctx, ret); + return -1; + } + *pres = res; + return 0; + fail: + JS_FreeValue(ctx, res); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return -1; +} + +static no_inline __exception int js_binary_arith_slow(JSContext *ctx, JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2, res; + uint32_t tag1, tag2; + int ret; + double d1, d2; + + op1 = sp[-2]; + op2 = sp[-1]; + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + /* fast path for float operations */ + if (tag1 == JS_TAG_FLOAT64 && tag2 == JS_TAG_FLOAT64) { + d1 = JS_VALUE_GET_FLOAT64(op1); + d2 = JS_VALUE_GET_FLOAT64(op2); + goto handle_float64; + } + + /* try to call an overloaded operator */ + if ((tag1 == JS_TAG_OBJECT && + (tag2 != JS_TAG_NULL && tag2 != JS_TAG_UNDEFINED)) || + (tag2 == JS_TAG_OBJECT && + (tag1 != JS_TAG_NULL && tag1 != JS_TAG_UNDEFINED))) { + ret = js_call_binary_op_fallback(ctx, &res, op1, op2, op, TRUE, 0); + if (ret != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (ret < 0) { + goto exception; + } else { + sp[-2] = res; + return 0; + } + } + } + + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + + if (tag1 == JS_TAG_INT && tag2 == JS_TAG_INT) { + int32_t v1, v2; + int64_t v; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); + switch(op) { + case OP_sub: + v = (int64_t)v1 - (int64_t)v2; + break; + case OP_mul: + v = (int64_t)v1 * (int64_t)v2; + if (is_math_mode(ctx) && + (v < -MAX_SAFE_INTEGER || v > MAX_SAFE_INTEGER)) + goto handle_bigint; + if (v == 0 && (v1 | v2) < 0) { + sp[-2] = __JS_NewFloat64(ctx, -0.0); + return 0; + } + break; + case OP_div: + if (is_math_mode(ctx)) + goto handle_bigint; + sp[-2] = __JS_NewFloat64(ctx, (double)v1 / (double)v2); + return 0; + case OP_math_mod: + if (unlikely(v2 == 0)) { + throw_bf_exception(ctx, BF_ST_DIVIDE_ZERO); + goto exception; + } + v = (int64_t)v1 % (int64_t)v2; + if (v < 0) { + if (v2 < 0) + v -= v2; + else + v += v2; + } + break; + case OP_mod: + if (v1 < 0 || v2 <= 0) { + sp[-2] = JS_NewFloat64(ctx, fmod(v1, v2)); + return 0; + } else { + v = (int64_t)v1 % (int64_t)v2; + } + break; + case OP_pow: + if (!is_math_mode(ctx)) { + sp[-2] = JS_NewFloat64(ctx, js_pow(v1, v2)); + return 0; + } else { + goto handle_bigint; + } + break; + default: + abort(); + } + sp[-2] = JS_NewInt64(ctx, v); + } else if (tag1 == JS_TAG_BIG_DECIMAL || tag2 == JS_TAG_BIG_DECIMAL) { + if (ctx->rt->bigdecimal_ops.binary_arith(ctx, op, sp - 2, op1, op2)) + goto exception; + } else if (tag1 == JS_TAG_BIG_FLOAT || tag2 == JS_TAG_BIG_FLOAT) { + if (ctx->rt->bigfloat_ops.binary_arith(ctx, op, sp - 2, op1, op2)) + goto exception; + } else if (tag1 == JS_TAG_BIG_INT || tag2 == JS_TAG_BIG_INT) { + handle_bigint: + if (ctx->rt->bigint_ops.binary_arith(ctx, op, sp - 2, op1, op2)) + goto exception; + } else { + double dr; + /* float64 result */ + if (JS_ToFloat64Free(ctx, &d1, op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (JS_ToFloat64Free(ctx, &d2, op2)) + goto exception; + handle_float64: + if (is_math_mode(ctx) && is_safe_integer(d1) && is_safe_integer(d2)) + goto handle_bigint; + switch(op) { + case OP_sub: + dr = d1 - d2; + break; + case OP_mul: + dr = d1 * d2; + break; + case OP_div: + dr = d1 / d2; + break; + case OP_mod: + dr = fmod(d1, d2); + break; + case OP_math_mod: + d2 = fabs(d2); + dr = fmod(d1, d2); + /* XXX: loss of accuracy if dr < 0 */ + if (dr < 0) + dr += d2; + break; + case OP_pow: + dr = js_pow(d1, d2); + break; + default: + abort(); + } + sp[-2] = __JS_NewFloat64(ctx, dr); + } + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline __exception int js_add_slow(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2, res; + uint32_t tag1, tag2; + int ret; + + op1 = sp[-2]; + op2 = sp[-1]; + + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + /* fast path for float64 */ + if (tag1 == JS_TAG_FLOAT64 && tag2 == JS_TAG_FLOAT64) { + double d1, d2; + d1 = JS_VALUE_GET_FLOAT64(op1); + d2 = JS_VALUE_GET_FLOAT64(op2); + sp[-2] = __JS_NewFloat64(ctx, d1 + d2); + return 0; + } + + if (tag1 == JS_TAG_OBJECT || tag2 == JS_TAG_OBJECT) { + /* try to call an overloaded operator */ + if ((tag1 == JS_TAG_OBJECT && + (tag2 != JS_TAG_NULL && tag2 != JS_TAG_UNDEFINED && + tag2 != JS_TAG_STRING)) || + (tag2 == JS_TAG_OBJECT && + (tag1 != JS_TAG_NULL && tag1 != JS_TAG_UNDEFINED && + tag1 != JS_TAG_STRING))) { + ret = js_call_binary_op_fallback(ctx, &res, op1, op2, OP_add, + FALSE, HINT_NONE); + if (ret != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (ret < 0) { + goto exception; + } else { + sp[-2] = res; + return 0; + } + } + } + + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NONE); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NONE); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + } + + if (tag1 == JS_TAG_STRING || tag2 == JS_TAG_STRING) { + sp[-2] = JS_ConcatString(ctx, op1, op2); + if (JS_IsException(sp[-2])) + goto exception; + return 0; + } + + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + + if (tag1 == JS_TAG_INT && tag2 == JS_TAG_INT) { + int32_t v1, v2; + int64_t v; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); + v = (int64_t)v1 + (int64_t)v2; + sp[-2] = JS_NewInt64(ctx, v); + } else if (tag1 == JS_TAG_BIG_DECIMAL || tag2 == JS_TAG_BIG_DECIMAL) { + if (ctx->rt->bigdecimal_ops.binary_arith(ctx, OP_add, sp - 2, op1, op2)) + goto exception; + } else if (tag1 == JS_TAG_BIG_FLOAT || tag2 == JS_TAG_BIG_FLOAT) { + if (ctx->rt->bigfloat_ops.binary_arith(ctx, OP_add, sp - 2, op1, op2)) + goto exception; + } else if (tag1 == JS_TAG_BIG_INT || tag2 == JS_TAG_BIG_INT) { + handle_bigint: + if (ctx->rt->bigint_ops.binary_arith(ctx, OP_add, sp - 2, op1, op2)) + goto exception; + } else { + double d1, d2; + /* float64 result */ + if (JS_ToFloat64Free(ctx, &d1, op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (JS_ToFloat64Free(ctx, &d2, op2)) + goto exception; + if (is_math_mode(ctx) && is_safe_integer(d1) && is_safe_integer(d2)) + goto handle_bigint; + sp[-2] = __JS_NewFloat64(ctx, d1 + d2); + } + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline __exception int js_binary_logic_slow(JSContext *ctx, + JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2, res; + int ret; + uint32_t tag1, tag2; + uint32_t v1, v2, r; + + op1 = sp[-2]; + op2 = sp[-1]; + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + + /* try to call an overloaded operator */ + if ((tag1 == JS_TAG_OBJECT && + (tag2 != JS_TAG_NULL && tag2 != JS_TAG_UNDEFINED)) || + (tag2 == JS_TAG_OBJECT && + (tag1 != JS_TAG_NULL && tag1 != JS_TAG_UNDEFINED))) { + ret = js_call_binary_op_fallback(ctx, &res, op1, op2, op, TRUE, 0); + if (ret != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (ret < 0) { + goto exception; + } else { + sp[-2] = res; + return 0; + } + } + } + + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + + if (is_math_mode(ctx)) + goto bigint_op; + + tag1 = JS_VALUE_GET_TAG(op1); + tag2 = JS_VALUE_GET_TAG(op2); + if (tag1 == JS_TAG_BIG_INT || tag2 == JS_TAG_BIG_INT) { + if (tag1 != tag2) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + JS_ThrowTypeError(ctx, "both operands must be bigint"); + goto exception; + } else { + bigint_op: + if (ctx->rt->bigint_ops.binary_arith(ctx, op, sp - 2, op1, op2)) + goto exception; + } + } else { + if (unlikely(JS_ToInt32Free(ctx, (int32_t *)&v1, op1))) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (unlikely(JS_ToInt32Free(ctx, (int32_t *)&v2, op2))) + goto exception; + switch(op) { + case OP_shl: + r = v1 << (v2 & 0x1f); + break; + case OP_sar: + r = (int)v1 >> (v2 & 0x1f); + break; + case OP_and: + r = v1 & v2; + break; + case OP_or: + r = v1 | v2; + break; + case OP_xor: + r = v1 ^ v2; + break; + default: + abort(); + } + sp[-2] = JS_NewInt32(ctx, r); + } + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +/* Note: also used for bigint */ +static int js_compare_bigfloat(JSContext *ctx, OPCodeEnum op, + JSValue op1, JSValue op2) +{ + bf_t a_s, b_s, *a, *b; + int res; + + a = JS_ToBigFloat(ctx, &a_s, op1); + if (!a) { + JS_FreeValue(ctx, op2); + return -1; + } + b = JS_ToBigFloat(ctx, &b_s, op2); + if (!b) { + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, op1); + return -1; + } + switch(op) { + case OP_lt: + res = bf_cmp_lt(a, b); /* if NaN return false */ + break; + case OP_lte: + res = bf_cmp_le(a, b); /* if NaN return false */ + break; + case OP_gt: + res = bf_cmp_lt(b, a); /* if NaN return false */ + break; + case OP_gte: + res = bf_cmp_le(b, a); /* if NaN return false */ + break; + case OP_eq: + res = bf_cmp_eq(a, b); /* if NaN return false */ + break; + default: + abort(); + } + if (a == &a_s) + bf_delete(a); + if (b == &b_s) + bf_delete(b); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return res; +} + +static int js_compare_bigdecimal(JSContext *ctx, OPCodeEnum op, + JSValue op1, JSValue op2) +{ + bfdec_t *a, *b; + int res; + + /* Note: binary floats are converted to bigdecimal with + toString(). It is not mathematically correct but is consistent + with the BigDecimal() constructor behavior */ + op1 = JS_ToBigDecimalFree(ctx, op1, TRUE); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + return -1; + } + op2 = JS_ToBigDecimalFree(ctx, op2, TRUE); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + return -1; + } + a = JS_ToBigDecimal(ctx, op1); + b = JS_ToBigDecimal(ctx, op2); + + switch(op) { + case OP_lt: + res = bfdec_cmp_lt(a, b); /* if NaN return false */ + break; + case OP_lte: + res = bfdec_cmp_le(a, b); /* if NaN return false */ + break; + case OP_gt: + res = bfdec_cmp_lt(b, a); /* if NaN return false */ + break; + case OP_gte: + res = bfdec_cmp_le(b, a); /* if NaN return false */ + break; + case OP_eq: + res = bfdec_cmp_eq(a, b); /* if NaN return false */ + break; + default: + abort(); + } + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + return res; +} + +static no_inline int js_relational_slow(JSContext *ctx, JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2, ret; + int res; + uint32_t tag1, tag2; + + op1 = sp[-2]; + op2 = sp[-1]; + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + /* try to call an overloaded operator */ + if ((tag1 == JS_TAG_OBJECT && + (tag2 != JS_TAG_NULL && tag2 != JS_TAG_UNDEFINED)) || + (tag2 == JS_TAG_OBJECT && + (tag1 != JS_TAG_NULL && tag1 != JS_TAG_UNDEFINED))) { + res = js_call_binary_op_fallback(ctx, &ret, op1, op2, op, + FALSE, HINT_NUMBER); + if (res != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (res < 0) { + goto exception; + } else { + sp[-2] = ret; + return 0; + } + } + } + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NUMBER); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NUMBER); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + + if (tag1 == JS_TAG_STRING && tag2 == JS_TAG_STRING) { + JSString *p1, *p2; + p1 = JS_VALUE_GET_STRING(op1); + p2 = JS_VALUE_GET_STRING(op2); + res = js_string_compare(ctx, p1, p2); + switch(op) { + case OP_lt: + res = (res < 0); + break; + case OP_lte: + res = (res <= 0); + break; + case OP_gt: + res = (res > 0); + break; + default: + case OP_gte: + res = (res >= 0); + break; + } + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + } else if ((tag1 <= JS_TAG_NULL || tag1 == JS_TAG_FLOAT64) && + (tag2 <= JS_TAG_NULL || tag2 == JS_TAG_FLOAT64)) { + /* can use floating point comparison */ + double d1, d2; + if (tag1 == JS_TAG_FLOAT64) { + d1 = JS_VALUE_GET_FLOAT64(op1); + } else { + d1 = JS_VALUE_GET_INT(op1); + } + if (tag2 == JS_TAG_FLOAT64) { + d2 = JS_VALUE_GET_FLOAT64(op2); + } else { + d2 = JS_VALUE_GET_INT(op2); + } + switch(op) { + case OP_lt: + res = (d1 < d2); /* if NaN return false */ + break; + case OP_lte: + res = (d1 <= d2); /* if NaN return false */ + break; + case OP_gt: + res = (d1 > d2); /* if NaN return false */ + break; + default: + case OP_gte: + res = (d1 >= d2); /* if NaN return false */ + break; + } + } else { + if (((tag1 == JS_TAG_BIG_INT && tag2 == JS_TAG_STRING) || + (tag2 == JS_TAG_BIG_INT && tag1 == JS_TAG_STRING)) && + !is_math_mode(ctx)) { + if (tag1 == JS_TAG_STRING) { + op1 = JS_StringToBigInt(ctx, op1); + if (JS_VALUE_GET_TAG(op1) != JS_TAG_BIG_INT) + goto invalid_bigint_string; + } + if (tag2 == JS_TAG_STRING) { + op2 = JS_StringToBigInt(ctx, op2); + if (JS_VALUE_GET_TAG(op2) != JS_TAG_BIG_INT) { + invalid_bigint_string: + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + res = FALSE; + goto done; + } + } + } else { + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + } + + if (JS_VALUE_GET_TAG(op1) == JS_TAG_BIG_DECIMAL || + JS_VALUE_GET_TAG(op2) == JS_TAG_BIG_DECIMAL) { + res = ctx->rt->bigdecimal_ops.compare(ctx, op, op1, op2); + if (res < 0) + goto exception; + } else if (JS_VALUE_GET_TAG(op1) == JS_TAG_BIG_FLOAT || + JS_VALUE_GET_TAG(op2) == JS_TAG_BIG_FLOAT) { + res = ctx->rt->bigfloat_ops.compare(ctx, op, op1, op2); + if (res < 0) + goto exception; + } else { + res = ctx->rt->bigint_ops.compare(ctx, op, op1, op2); + if (res < 0) + goto exception; + } + } + done: + sp[-2] = JS_NewBool(ctx, res); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static BOOL tag_is_number(uint32_t tag) +{ + return (tag == JS_TAG_INT || tag == JS_TAG_BIG_INT || + tag == JS_TAG_FLOAT64 || tag == JS_TAG_BIG_FLOAT || + tag == JS_TAG_BIG_DECIMAL); +} + +static no_inline __exception int js_eq_slow(JSContext *ctx, JSValue *sp, + BOOL is_neq) +{ + JSValue op1, op2, ret; + int res; + uint32_t tag1, tag2; + + op1 = sp[-2]; + op2 = sp[-1]; + redo: + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + if (tag_is_number(tag1) && tag_is_number(tag2)) { + if (tag1 == JS_TAG_INT && tag2 == JS_TAG_INT) { + res = JS_VALUE_GET_INT(op1) == JS_VALUE_GET_INT(op2); + } else if ((tag1 == JS_TAG_FLOAT64 && + (tag2 == JS_TAG_INT || tag2 == JS_TAG_FLOAT64)) || + (tag2 == JS_TAG_FLOAT64 && + (tag1 == JS_TAG_INT || tag1 == JS_TAG_FLOAT64))) { + double d1, d2; + if (tag1 == JS_TAG_FLOAT64) { + d1 = JS_VALUE_GET_FLOAT64(op1); + } else { + d1 = JS_VALUE_GET_INT(op1); + } + if (tag2 == JS_TAG_FLOAT64) { + d2 = JS_VALUE_GET_FLOAT64(op2); + } else { + d2 = JS_VALUE_GET_INT(op2); + } + res = (d1 == d2); + } else if (tag1 == JS_TAG_BIG_DECIMAL || tag2 == JS_TAG_BIG_DECIMAL) { + res = ctx->rt->bigdecimal_ops.compare(ctx, OP_eq, op1, op2); + if (res < 0) + goto exception; + } else if (tag1 == JS_TAG_BIG_FLOAT || tag2 == JS_TAG_BIG_FLOAT) { + res = ctx->rt->bigfloat_ops.compare(ctx, OP_eq, op1, op2); + if (res < 0) + goto exception; + } else { + res = ctx->rt->bigint_ops.compare(ctx, OP_eq, op1, op2); + if (res < 0) + goto exception; + } + } else if (tag1 == tag2) { + if (tag1 == JS_TAG_OBJECT) { + /* try the fallback operator */ + res = js_call_binary_op_fallback(ctx, &ret, op1, op2, + is_neq ? OP_neq : OP_eq, + FALSE, HINT_NONE); + if (res != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (res < 0) { + goto exception; + } else { + sp[-2] = ret; + return 0; + } + } + } + res = js_strict_eq2(ctx, op1, op2, JS_EQ_STRICT); + } else if ((tag1 == JS_TAG_NULL && tag2 == JS_TAG_UNDEFINED) || + (tag2 == JS_TAG_NULL && tag1 == JS_TAG_UNDEFINED)) { + res = TRUE; + } else if ((tag1 == JS_TAG_STRING && tag_is_number(tag2)) || + (tag2 == JS_TAG_STRING && tag_is_number(tag1))) { + + if ((tag1 == JS_TAG_BIG_INT || tag2 == JS_TAG_BIG_INT) && + !is_math_mode(ctx)) { + if (tag1 == JS_TAG_STRING) { + op1 = JS_StringToBigInt(ctx, op1); + if (JS_VALUE_GET_TAG(op1) != JS_TAG_BIG_INT) + goto invalid_bigint_string; + } + if (tag2 == JS_TAG_STRING) { + op2 = JS_StringToBigInt(ctx, op2); + if (JS_VALUE_GET_TAG(op2) != JS_TAG_BIG_INT) { + invalid_bigint_string: + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + res = FALSE; + goto done; + } + } + } else { + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + } + res = js_strict_eq(ctx, op1, op2); + } else if (tag1 == JS_TAG_BOOL) { + op1 = JS_NewInt32(ctx, JS_VALUE_GET_INT(op1)); + goto redo; + } else if (tag2 == JS_TAG_BOOL) { + op2 = JS_NewInt32(ctx, JS_VALUE_GET_INT(op2)); + goto redo; + } else if ((tag1 == JS_TAG_OBJECT && + (tag_is_number(tag2) || tag2 == JS_TAG_STRING || tag2 == JS_TAG_SYMBOL)) || + (tag2 == JS_TAG_OBJECT && + (tag_is_number(tag1) || tag1 == JS_TAG_STRING || tag1 == JS_TAG_SYMBOL))) { + + /* try the fallback operator */ + res = js_call_binary_op_fallback(ctx, &ret, op1, op2, + is_neq ? OP_neq : OP_eq, + FALSE, HINT_NONE); + if (res != 0) { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + if (res < 0) { + goto exception; + } else { + sp[-2] = ret; + return 0; + } + } + + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NONE); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NONE); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + goto redo; + } else { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + res = FALSE; + } + done: + sp[-2] = JS_NewBool(ctx, res ^ is_neq); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline int js_shr_slow(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + uint32_t v1, v2, r; + + op1 = sp[-2]; + op2 = sp[-1]; + op1 = JS_ToNumericFree(ctx, op1); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToNumericFree(ctx, op2); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + /* XXX: could forbid >>> in bignum mode */ + if (!is_math_mode(ctx) && + (JS_VALUE_GET_TAG(op1) == JS_TAG_BIG_INT || + JS_VALUE_GET_TAG(op2) == JS_TAG_BIG_INT)) { + JS_ThrowTypeError(ctx, "bigint operands are forbidden for >>>"); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + goto exception; + } + /* cannot give an exception */ + JS_ToUint32Free(ctx, &v1, op1); + JS_ToUint32Free(ctx, &v2, op2); + r = v1 >> (v2 & 0x1f); + sp[-2] = JS_NewUint32(ctx, r); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static JSValue js_mul_pow10_to_float64(JSContext *ctx, const bf_t *a, + int64_t exponent) +{ + bf_t r_s, *r = &r_s; + double d; + int ret; + + /* always convert to Float64 */ + bf_init(ctx->bf_ctx, r); + ret = bf_mul_pow_radix(r, a, 10, exponent, + 53, bf_set_exp_bits(11) | BF_RNDN | + BF_FLAG_SUBNORMAL); + bf_get_float64(r, &d, BF_RNDN); + bf_delete(r); + if (ret & BF_ST_MEM_ERROR) + return JS_ThrowOutOfMemory(ctx); + else + return __JS_NewFloat64(ctx, d); +} + +static no_inline int js_mul_pow10(JSContext *ctx, JSValue *sp) +{ + bf_t a_s, *a, *r; + JSValue op1, op2, res; + int64_t e; + int ret; + + res = JS_NewBigFloat(ctx); + if (JS_IsException(res)) + return -1; + r = JS_GetBigFloat(res); + op1 = sp[-2]; + op2 = sp[-1]; + a = JS_ToBigFloat(ctx, &a_s, op1); + if (!a) + return -1; + if (JS_IsBigInt(ctx, op2)) { + ret = JS_ToBigInt64(ctx, &e, op2); + } else { + ret = JS_ToInt64(ctx, &e, op2); + } + if (ret) { + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, res); + return -1; + } + + bf_mul_pow_radix(r, a, 10, e, ctx->fp_env.prec, ctx->fp_env.flags); + if (a == &a_s) + bf_delete(a); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + sp[-2] = res; + return 0; +} + +#else /* !CONFIG_BIGNUM */ + +static JSValue JS_ThrowUnsupportedBigint(JSContext *ctx) +{ + return JS_ThrowTypeError(ctx, "bigint is not supported"); +} + +JSValue JS_NewBigInt64(JSContext *ctx, int64_t v) +{ + return JS_ThrowUnsupportedBigint(ctx); +} + +JSValue JS_NewBigUint64(JSContext *ctx, uint64_t v) +{ + return JS_ThrowUnsupportedBigint(ctx); +} + +int JS_ToBigInt64(JSContext *ctx, int64_t *pres, JSValueConst val) +{ + JS_ThrowUnsupportedBigint(ctx); + *pres = 0; + return -1; +} + +static no_inline __exception int js_unary_arith_slow(JSContext *ctx, + JSValue *sp, + OPCodeEnum op) +{ + JSValue op1; + double d; + + op1 = sp[-1]; + if (unlikely(JS_ToFloat64Free(ctx, &d, op1))) { + sp[-1] = JS_UNDEFINED; + return -1; + } + switch(op) { + case OP_inc: + d++; + break; + case OP_dec: + d--; + break; + case OP_plus: + break; + case OP_neg: + d = -d; + break; + default: + abort(); + } + sp[-1] = JS_NewFloat64(ctx, d); + return 0; +} + +/* specific case necessary for correct return value semantics */ +static __exception int js_post_inc_slow(JSContext *ctx, + JSValue *sp, OPCodeEnum op) +{ + JSValue op1; + double d, r; + + op1 = sp[-1]; + if (unlikely(JS_ToFloat64Free(ctx, &d, op1))) { + sp[-1] = JS_UNDEFINED; + return -1; + } + r = d + 2 * (op - OP_post_dec) - 1; + sp[0] = JS_NewFloat64(ctx, r); + sp[-1] = JS_NewFloat64(ctx, d); + return 0; +} + +static no_inline __exception int js_binary_arith_slow(JSContext *ctx, JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2; + double d1, d2, r; + + op1 = sp[-2]; + op2 = sp[-1]; + if (unlikely(JS_ToFloat64Free(ctx, &d1, op1))) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (unlikely(JS_ToFloat64Free(ctx, &d2, op2))) { + goto exception; + } + switch(op) { + case OP_sub: + r = d1 - d2; + break; + case OP_mul: + r = d1 * d2; + break; + case OP_div: + r = d1 / d2; + break; + case OP_mod: + r = fmod(d1, d2); + break; + case OP_pow: + r = js_pow(d1, d2); + break; + default: + abort(); + } + sp[-2] = JS_NewFloat64(ctx, r); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline __exception int js_add_slow(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + uint32_t tag1, tag2; + + op1 = sp[-2]; + op2 = sp[-1]; + tag1 = JS_VALUE_GET_TAG(op1); + tag2 = JS_VALUE_GET_TAG(op2); + if ((tag1 == JS_TAG_INT || JS_TAG_IS_FLOAT64(tag1)) && + (tag2 == JS_TAG_INT || JS_TAG_IS_FLOAT64(tag2))) { + goto add_numbers; + } else { + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NONE); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NONE); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + tag1 = JS_VALUE_GET_TAG(op1); + tag2 = JS_VALUE_GET_TAG(op2); + if (tag1 == JS_TAG_STRING || tag2 == JS_TAG_STRING) { + sp[-2] = JS_ConcatString(ctx, op1, op2); + if (JS_IsException(sp[-2])) + goto exception; + } else { + double d1, d2; + add_numbers: + if (JS_ToFloat64Free(ctx, &d1, op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (JS_ToFloat64Free(ctx, &d2, op2)) + goto exception; + sp[-2] = JS_NewFloat64(ctx, d1 + d2); + } + } + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline __exception int js_binary_logic_slow(JSContext *ctx, + JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2; + uint32_t v1, v2, r; + + op1 = sp[-2]; + op2 = sp[-1]; + if (unlikely(JS_ToInt32Free(ctx, (int32_t *)&v1, op1))) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (unlikely(JS_ToInt32Free(ctx, (int32_t *)&v2, op2))) + goto exception; + switch(op) { + case OP_shl: + r = v1 << (v2 & 0x1f); + break; + case OP_sar: + r = (int)v1 >> (v2 & 0x1f); + break; + case OP_and: + r = v1 & v2; + break; + case OP_or: + r = v1 | v2; + break; + case OP_xor: + r = v1 ^ v2; + break; + default: + abort(); + } + sp[-2] = JS_NewInt32(ctx, r); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline int js_not_slow(JSContext *ctx, JSValue *sp) +{ + int32_t v1; + + if (unlikely(JS_ToInt32Free(ctx, &v1, sp[-1]))) { + sp[-1] = JS_UNDEFINED; + return -1; + } + sp[-1] = JS_NewInt32(ctx, ~v1); + return 0; +} + +static no_inline int js_relational_slow(JSContext *ctx, JSValue *sp, + OPCodeEnum op) +{ + JSValue op1, op2; + int res; + + op1 = sp[-2]; + op2 = sp[-1]; + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NUMBER); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NUMBER); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + if (JS_VALUE_GET_TAG(op1) == JS_TAG_STRING && + JS_VALUE_GET_TAG(op2) == JS_TAG_STRING) { + JSString *p1, *p2; + p1 = JS_VALUE_GET_STRING(op1); + p2 = JS_VALUE_GET_STRING(op2); + res = js_string_compare(ctx, p1, p2); + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + switch(op) { + case OP_lt: + res = (res < 0); + break; + case OP_lte: + res = (res <= 0); + break; + case OP_gt: + res = (res > 0); + break; + default: + case OP_gte: + res = (res >= 0); + break; + } + } else { + double d1, d2; + if (JS_ToFloat64Free(ctx, &d1, op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (JS_ToFloat64Free(ctx, &d2, op2)) + goto exception; + switch(op) { + case OP_lt: + res = (d1 < d2); /* if NaN return false */ + break; + case OP_lte: + res = (d1 <= d2); /* if NaN return false */ + break; + case OP_gt: + res = (d1 > d2); /* if NaN return false */ + break; + default: + case OP_gte: + res = (d1 >= d2); /* if NaN return false */ + break; + } + } + sp[-2] = JS_NewBool(ctx, res); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline __exception int js_eq_slow(JSContext *ctx, JSValue *sp, + BOOL is_neq) +{ + JSValue op1, op2; + int tag1, tag2; + BOOL res; + + op1 = sp[-2]; + op2 = sp[-1]; + redo: + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + if (tag1 == tag2 || + (tag1 == JS_TAG_INT && tag2 == JS_TAG_FLOAT64) || + (tag2 == JS_TAG_INT && tag1 == JS_TAG_FLOAT64)) { + res = js_strict_eq(ctx, op1, op2); + } else if ((tag1 == JS_TAG_NULL && tag2 == JS_TAG_UNDEFINED) || + (tag2 == JS_TAG_NULL && tag1 == JS_TAG_UNDEFINED)) { + res = TRUE; + } else if ((tag1 == JS_TAG_STRING && (tag2 == JS_TAG_INT || + tag2 == JS_TAG_FLOAT64)) || + (tag2 == JS_TAG_STRING && (tag1 == JS_TAG_INT || + tag1 == JS_TAG_FLOAT64))) { + double d1; + double d2; + if (JS_ToFloat64Free(ctx, &d1, op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (JS_ToFloat64Free(ctx, &d2, op2)) + goto exception; + res = (d1 == d2); + } else if (tag1 == JS_TAG_BOOL) { + op1 = JS_NewInt32(ctx, JS_VALUE_GET_INT(op1)); + goto redo; + } else if (tag2 == JS_TAG_BOOL) { + op2 = JS_NewInt32(ctx, JS_VALUE_GET_INT(op2)); + goto redo; + } else if (tag1 == JS_TAG_OBJECT && + (tag2 == JS_TAG_INT || tag2 == JS_TAG_FLOAT64 || tag2 == JS_TAG_STRING || tag2 == JS_TAG_SYMBOL)) { + op1 = JS_ToPrimitiveFree(ctx, op1, HINT_NONE); + if (JS_IsException(op1)) { + JS_FreeValue(ctx, op2); + goto exception; + } + goto redo; + } else if (tag2 == JS_TAG_OBJECT && + (tag1 == JS_TAG_INT || tag1 == JS_TAG_FLOAT64 || tag1 == JS_TAG_STRING || tag1 == JS_TAG_SYMBOL)) { + op2 = JS_ToPrimitiveFree(ctx, op2, HINT_NONE); + if (JS_IsException(op2)) { + JS_FreeValue(ctx, op1); + goto exception; + } + goto redo; + } else { + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + res = FALSE; + } + sp[-2] = JS_NewBool(ctx, res ^ is_neq); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static no_inline int js_shr_slow(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + uint32_t v1, v2, r; + + op1 = sp[-2]; + op2 = sp[-1]; + if (unlikely(JS_ToUint32Free(ctx, &v1, op1))) { + JS_FreeValue(ctx, op2); + goto exception; + } + if (unlikely(JS_ToUint32Free(ctx, &v2, op2))) + goto exception; + r = v1 >> (v2 & 0x1f); + sp[-2] = JS_NewUint32(ctx, r); + return 0; + exception: + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +#endif /* !CONFIG_BIGNUM */ + +/* XXX: Should take JSValueConst arguments */ +static BOOL js_strict_eq2(JSContext *ctx, JSValue op1, JSValue op2, + JSStrictEqModeEnum eq_mode) +{ + BOOL res; + int tag1, tag2; + double d1, d2; + + tag1 = JS_VALUE_GET_NORM_TAG(op1); + tag2 = JS_VALUE_GET_NORM_TAG(op2); + switch(tag1) { + case JS_TAG_BOOL: + if (tag1 != tag2) { + res = FALSE; + } else { + res = JS_VALUE_GET_INT(op1) == JS_VALUE_GET_INT(op2); + goto done_no_free; + } + break; + case JS_TAG_NULL: + case JS_TAG_UNDEFINED: + res = (tag1 == tag2); + break; + case JS_TAG_STRING: + { + JSString *p1, *p2; + if (tag1 != tag2) { + res = FALSE; + } else { + p1 = JS_VALUE_GET_STRING(op1); + p2 = JS_VALUE_GET_STRING(op2); + res = (js_string_compare(ctx, p1, p2) == 0); + } + } + break; + case JS_TAG_SYMBOL: + { + JSAtomStruct *p1, *p2; + if (tag1 != tag2) { + res = FALSE; + } else { + p1 = JS_VALUE_GET_PTR(op1); + p2 = JS_VALUE_GET_PTR(op2); + res = (p1 == p2); + } + } + break; + case JS_TAG_OBJECT: + if (tag1 != tag2) + res = FALSE; + else + res = JS_VALUE_GET_OBJ(op1) == JS_VALUE_GET_OBJ(op2); + break; + case JS_TAG_INT: + d1 = JS_VALUE_GET_INT(op1); + if (tag2 == JS_TAG_INT) { + d2 = JS_VALUE_GET_INT(op2); + goto number_test; + } else if (tag2 == JS_TAG_FLOAT64) { + d2 = JS_VALUE_GET_FLOAT64(op2); + goto number_test; + } else { + res = FALSE; + } + break; + case JS_TAG_FLOAT64: + d1 = JS_VALUE_GET_FLOAT64(op1); + if (tag2 == JS_TAG_FLOAT64) { + d2 = JS_VALUE_GET_FLOAT64(op2); + } else if (tag2 == JS_TAG_INT) { + d2 = JS_VALUE_GET_INT(op2); + } else { + res = FALSE; + break; + } + number_test: + if (unlikely(eq_mode >= JS_EQ_SAME_VALUE)) { + JSFloat64Union u1, u2; + /* NaN is not always normalized, so this test is necessary */ + if (isnan(d1) || isnan(d2)) { + res = isnan(d1) == isnan(d2); + } else if (eq_mode == JS_EQ_SAME_VALUE_ZERO) { + res = (d1 == d2); /* +0 == -0 */ + } else { + u1.d = d1; + u2.d = d2; + res = (u1.u64 == u2.u64); /* +0 != -0 */ + } + } else { + res = (d1 == d2); /* if NaN return false and +0 == -0 */ + } + goto done_no_free; +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + { + bf_t a_s, *a, b_s, *b; + if (tag1 != tag2) { + res = FALSE; + break; + } + a = JS_ToBigFloat(ctx, &a_s, op1); + b = JS_ToBigFloat(ctx, &b_s, op2); + res = bf_cmp_eq(a, b); + if (a == &a_s) + bf_delete(a); + if (b == &b_s) + bf_delete(b); + } + break; + case JS_TAG_BIG_FLOAT: + { + JSBigFloat *p1, *p2; + const bf_t *a, *b; + if (tag1 != tag2) { + res = FALSE; + break; + } + p1 = JS_VALUE_GET_PTR(op1); + p2 = JS_VALUE_GET_PTR(op2); + a = &p1->num; + b = &p2->num; + if (unlikely(eq_mode >= JS_EQ_SAME_VALUE)) { + if (eq_mode == JS_EQ_SAME_VALUE_ZERO && + a->expn == BF_EXP_ZERO && b->expn == BF_EXP_ZERO) { + res = TRUE; + } else { + res = (bf_cmp_full(a, b) == 0); + } + } else { + res = bf_cmp_eq(a, b); + } + } + break; + case JS_TAG_BIG_DECIMAL: + { + JSBigDecimal *p1, *p2; + const bfdec_t *a, *b; + if (tag1 != tag2) { + res = FALSE; + break; + } + p1 = JS_VALUE_GET_PTR(op1); + p2 = JS_VALUE_GET_PTR(op2); + a = &p1->num; + b = &p2->num; + res = bfdec_cmp_eq(a, b); + } + break; +#endif + default: + res = FALSE; + break; + } + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + done_no_free: + return res; +} + +static BOOL js_strict_eq(JSContext *ctx, JSValue op1, JSValue op2) +{ + return js_strict_eq2(ctx, op1, op2, JS_EQ_STRICT); +} + +static BOOL js_same_value(JSContext *ctx, JSValueConst op1, JSValueConst op2) +{ + return js_strict_eq2(ctx, + JS_DupValue(ctx, op1), JS_DupValue(ctx, op2), + JS_EQ_SAME_VALUE); +} + +static BOOL js_same_value_zero(JSContext *ctx, JSValueConst op1, JSValueConst op2) +{ + return js_strict_eq2(ctx, + JS_DupValue(ctx, op1), JS_DupValue(ctx, op2), + JS_EQ_SAME_VALUE_ZERO); +} + +static no_inline int js_strict_eq_slow(JSContext *ctx, JSValue *sp, + BOOL is_neq) +{ + BOOL res; + res = js_strict_eq(ctx, sp[-2], sp[-1]); + sp[-2] = JS_NewBool(ctx, res ^ is_neq); + return 0; +} + +static __exception int js_operator_in(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + JSAtom atom; + int ret; + + op1 = sp[-2]; + op2 = sp[-1]; + + if (JS_VALUE_GET_TAG(op2) != JS_TAG_OBJECT) { + JS_ThrowTypeError(ctx, "invalid 'in' operand"); + return -1; + } + atom = JS_ValueToAtom(ctx, op1); + if (unlikely(atom == JS_ATOM_NULL)) + return -1; + ret = JS_HasProperty(ctx, op2, atom); + JS_FreeAtom(ctx, atom); + if (ret < 0) + return -1; + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + sp[-2] = JS_NewBool(ctx, ret); + return 0; +} + +static __exception int js_has_unscopable(JSContext *ctx, JSValueConst obj, + JSAtom atom) +{ + JSValue arr, val; + int ret; + + arr = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_unscopables); + if (JS_IsException(arr)) + return -1; + ret = 0; + if (JS_IsObject(arr)) { + val = JS_GetProperty(ctx, arr, atom); + ret = JS_ToBoolFree(ctx, val); + } + JS_FreeValue(ctx, arr); + return ret; +} + +static __exception int js_operator_instanceof(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + BOOL ret; + + op1 = sp[-2]; + op2 = sp[-1]; + ret = JS_IsInstanceOf(ctx, op1, op2); + if (ret < 0) + return ret; + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + sp[-2] = JS_NewBool(ctx, ret); + return 0; +} + +static __exception int js_operator_typeof(JSContext *ctx, JSValue op1) +{ + JSAtom atom; + uint32_t tag; + + tag = JS_VALUE_GET_NORM_TAG(op1); + switch(tag) { +#ifdef CONFIG_BIGNUM + case JS_TAG_BIG_INT: + atom = JS_ATOM_bigint; + break; + case JS_TAG_BIG_FLOAT: + atom = JS_ATOM_bigfloat; + break; + case JS_TAG_BIG_DECIMAL: + atom = JS_ATOM_bigdecimal; + break; +#endif + case JS_TAG_INT: + case JS_TAG_FLOAT64: + atom = JS_ATOM_number; + break; + case JS_TAG_UNDEFINED: + atom = JS_ATOM_undefined; + break; + case JS_TAG_BOOL: + atom = JS_ATOM_boolean; + break; + case JS_TAG_STRING: + atom = JS_ATOM_string; + break; + case JS_TAG_OBJECT: + if (JS_IsFunction(ctx, op1)) + atom = JS_ATOM_function; + else + goto obj_type; + break; + case JS_TAG_NULL: + obj_type: + atom = JS_ATOM_object; + break; + case JS_TAG_SYMBOL: + atom = JS_ATOM_symbol; + break; + default: + atom = JS_ATOM_unknown; + break; + } + return atom; +} + +static __exception int js_operator_delete(JSContext *ctx, JSValue *sp) +{ + JSValue op1, op2; + JSAtom atom; + int ret; + + op1 = sp[-2]; + op2 = sp[-1]; + atom = JS_ValueToAtom(ctx, op2); + if (unlikely(atom == JS_ATOM_NULL)) + return -1; + ret = JS_DeleteProperty(ctx, op1, atom, JS_PROP_THROW_STRICT); + JS_FreeAtom(ctx, atom); + if (unlikely(ret < 0)) + return -1; + JS_FreeValue(ctx, op1); + JS_FreeValue(ctx, op2); + sp[-2] = JS_NewBool(ctx, ret); + return 0; +} + +static JSValue js_throw_type_error(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv) +{ + return JS_ThrowTypeError(ctx, "invalid property access"); +} + +/* XXX: not 100% compatible, but mozilla seems to use a similar + implementation to ensure that caller in non strict mode does not + throw (ES5 compatibility) */ +static JSValue js_function_proto_caller(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv) +{ + JSFunctionBytecode *b = JS_GetFunctionBytecode(this_val); + if (!b || (b->js_mode & JS_MODE_STRICT) || !b->has_prototype) { + return js_throw_type_error(ctx, this_val, 0, NULL); + } + return JS_UNDEFINED; +} + +static JSValue js_function_proto_fileName(JSContext *ctx, + JSValueConst this_val) +{ + JSFunctionBytecode *b = JS_GetFunctionBytecode(this_val); + if (b && b->has_debug) { + return JS_AtomToString(ctx, b->debug.filename); + } + return JS_UNDEFINED; +} + +static JSValue js_function_proto_lineNumber(JSContext *ctx, + JSValueConst this_val) +{ + JSFunctionBytecode *b = JS_GetFunctionBytecode(this_val); + if (b && b->has_debug) { + return JS_NewInt32(ctx, b->debug.line_num); + } + return JS_UNDEFINED; +} + +static int js_arguments_define_own_property(JSContext *ctx, + JSValueConst this_obj, + JSAtom prop, JSValueConst val, + JSValueConst getter, JSValueConst setter, int flags) +{ + JSObject *p; + uint32_t idx; + p = JS_VALUE_GET_OBJ(this_obj); + /* convert to normal array when redefining an existing numeric field */ + if (p->fast_array && JS_AtomIsArrayIndex(ctx, &idx, prop) && + idx < p->u.array.count) { + if (convert_fast_array_to_array(ctx, p)) + return -1; + } + /* run the default define own property */ + return JS_DefineProperty(ctx, this_obj, prop, val, getter, setter, + flags | JS_PROP_NO_EXOTIC); +} + +static const JSClassExoticMethods js_arguments_exotic_methods = { + .define_own_property = js_arguments_define_own_property, +}; + +static JSValue js_build_arguments(JSContext *ctx, int argc, JSValueConst *argv) +{ + JSValue val, *tab; + JSProperty *pr; + JSObject *p; + int i; + + val = JS_NewObjectProtoClass(ctx, ctx->class_proto[JS_CLASS_OBJECT], + JS_CLASS_ARGUMENTS); + if (JS_IsException(val)) + return val; + p = JS_VALUE_GET_OBJ(val); + + /* add the length field (cannot fail) */ + pr = add_property(ctx, p, JS_ATOM_length, + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + pr->u.value = JS_NewInt32(ctx, argc); + + /* initialize the fast array part */ + tab = NULL; + if (argc > 0) { + tab = js_malloc(ctx, sizeof(tab[0]) * argc); + if (!tab) { + JS_FreeValue(ctx, val); + return JS_EXCEPTION; + } + for(i = 0; i < argc; i++) { + tab[i] = JS_DupValue(ctx, argv[i]); + } + } + p->u.array.u.values = tab; + p->u.array.count = argc; + + JS_DefinePropertyValue(ctx, val, JS_ATOM_Symbol_iterator, + JS_DupValue(ctx, ctx->array_proto_values), + JS_PROP_CONFIGURABLE | JS_PROP_WRITABLE); + /* add callee property to throw a TypeError in strict mode */ + JS_DefineProperty(ctx, val, JS_ATOM_callee, JS_UNDEFINED, + ctx->throw_type_error, ctx->throw_type_error, + JS_PROP_HAS_GET | JS_PROP_HAS_SET); + return val; +} + +#define GLOBAL_VAR_OFFSET 0x40000000 +#define ARGUMENT_VAR_OFFSET 0x20000000 + +/* legacy arguments object: add references to the function arguments */ +static JSValue js_build_mapped_arguments(JSContext *ctx, int argc, + JSValueConst *argv, + JSStackFrame *sf, int arg_count) +{ + JSValue val; + JSProperty *pr; + JSObject *p; + int i; + + val = JS_NewObjectProtoClass(ctx, ctx->class_proto[JS_CLASS_OBJECT], + JS_CLASS_MAPPED_ARGUMENTS); + if (JS_IsException(val)) + return val; + p = JS_VALUE_GET_OBJ(val); + + /* add the length field (cannot fail) */ + pr = add_property(ctx, p, JS_ATOM_length, + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + pr->u.value = JS_NewInt32(ctx, argc); + + for(i = 0; i < arg_count; i++) { + JSVarRef *var_ref; + var_ref = get_var_ref(ctx, sf, i, TRUE); + if (!var_ref) + goto fail; + pr = add_property(ctx, p, __JS_AtomFromUInt32(i), JS_PROP_C_W_E | JS_PROP_VARREF); + if (!pr) { + free_var_ref(ctx->rt, var_ref); + goto fail; + } + pr->u.var_ref = var_ref; + } + + /* the arguments not mapped to the arguments of the function can + be normal properties */ + for(i = arg_count; i < argc; i++) { + if (JS_DefinePropertyValueUint32(ctx, val, i, + JS_DupValue(ctx, argv[i]), + JS_PROP_C_W_E) < 0) + goto fail; + } + + JS_DefinePropertyValue(ctx, val, JS_ATOM_Symbol_iterator, + JS_DupValue(ctx, ctx->array_proto_values), + JS_PROP_CONFIGURABLE | JS_PROP_WRITABLE); + /* callee returns this function in non strict mode */ + JS_DefinePropertyValue(ctx, val, JS_ATOM_callee, + JS_DupValue(ctx, ctx->rt->current_stack_frame->cur_func), + JS_PROP_CONFIGURABLE | JS_PROP_WRITABLE); + return val; + fail: + JS_FreeValue(ctx, val); + return JS_EXCEPTION; +} + +static JSValue js_build_rest(JSContext *ctx, int first, int argc, JSValueConst *argv) +{ + JSValue val; + int i, ret; + + val = JS_NewArray(ctx); + if (JS_IsException(val)) + return val; + for (i = first; i < argc; i++) { + ret = JS_DefinePropertyValueUint32(ctx, val, i - first, + JS_DupValue(ctx, argv[i]), + JS_PROP_C_W_E); + if (ret < 0) { + JS_FreeValue(ctx, val); + return JS_EXCEPTION; + } + } + return val; +} + +static JSValue build_for_in_iterator(JSContext *ctx, JSValue obj) +{ + JSObject *p, *p1; + JSPropertyEnum *tab_atom; + int i; + JSValue enum_obj; + JSForInIterator *it; + uint32_t tag, tab_atom_count; + + tag = JS_VALUE_GET_TAG(obj); + if (tag != JS_TAG_OBJECT && tag != JS_TAG_NULL && tag != JS_TAG_UNDEFINED) { + obj = JS_ToObjectFree(ctx, obj); + } + + it = js_malloc(ctx, sizeof(*it)); + if (!it) { + JS_FreeValue(ctx, obj); + return JS_EXCEPTION; + } + enum_obj = JS_NewObjectProtoClass(ctx, JS_NULL, JS_CLASS_FOR_IN_ITERATOR); + if (JS_IsException(enum_obj)) { + js_free(ctx, it); + JS_FreeValue(ctx, obj); + return JS_EXCEPTION; + } + it->is_array = FALSE; + it->obj = obj; + it->idx = 0; + p = JS_VALUE_GET_OBJ(enum_obj); + p->u.for_in_iterator = it; + + if (tag == JS_TAG_NULL || tag == JS_TAG_UNDEFINED) + return enum_obj; + + p = JS_VALUE_GET_OBJ(obj); + + /* fast path: assume no enumerable properties in the prototype chain */ + p1 = p->shape->proto; + while (p1 != NULL) { + if (JS_GetOwnPropertyNamesInternal(ctx, &tab_atom, &tab_atom_count, p1, + JS_GPN_STRING_MASK | JS_GPN_ENUM_ONLY)) + goto fail; + js_free_prop_enum(ctx, tab_atom, tab_atom_count); + if (tab_atom_count != 0) { + goto slow_path; + } + p1 = p1->shape->proto; + } + if (p->fast_array) { + JSShape *sh; + JSShapeProperty *prs; + /* check that there are no enumerable normal fields */ + sh = p->shape; + for(i = 0, prs = get_shape_prop(sh); i < sh->prop_count; i++, prs++) { + if (prs->flags & JS_PROP_ENUMERABLE) + goto normal_case; + } + /* the implicit GetOwnProperty raises an exception if the + typed array is detached */ + if ((p->class_id >= JS_CLASS_UINT8C_ARRAY && + p->class_id <= JS_CLASS_FLOAT64_ARRAY) && + typed_array_is_detached(ctx, p) && + typed_array_get_length(ctx, p) != 0) { + JS_ThrowTypeErrorDetachedArrayBuffer(ctx); + goto fail; + } + /* for fast arrays, we only store the number of elements */ + it->is_array = TRUE; + it->array_length = p->u.array.count; + } else { + normal_case: + if (JS_GetOwnPropertyNamesInternal(ctx, &tab_atom, &tab_atom_count, p, + JS_GPN_STRING_MASK | JS_GPN_ENUM_ONLY)) + goto fail; + for(i = 0; i < tab_atom_count; i++) { + JS_SetPropertyInternal(ctx, enum_obj, tab_atom[i].atom, JS_NULL, 0); + } + js_free_prop_enum(ctx, tab_atom, tab_atom_count); + } + return enum_obj; + + slow_path: + /* non enumerable properties hide the enumerables ones in the + prototype chain */ + while (p != NULL) { + if (JS_GetOwnPropertyNamesInternal(ctx, &tab_atom, &tab_atom_count, p, + JS_GPN_STRING_MASK | JS_GPN_SET_ENUM)) + goto fail; + for(i = 0; i < tab_atom_count; i++) { + JS_DefinePropertyValue(ctx, enum_obj, tab_atom[i].atom, JS_NULL, + (tab_atom[i].is_enumerable ? + JS_PROP_ENUMERABLE : 0)); + } + js_free_prop_enum(ctx, tab_atom, tab_atom_count); + p = p->shape->proto; + } + return enum_obj; + + fail: + JS_FreeValue(ctx, enum_obj); + return JS_EXCEPTION; +} + +/* obj -> enum_obj */ +static __exception int js_for_in_start(JSContext *ctx, JSValue *sp) +{ + sp[-1] = build_for_in_iterator(ctx, sp[-1]); + if (JS_IsException(sp[-1])) + return -1; + return 0; +} + +/* enum_obj -> enum_obj value done */ +static __exception int js_for_in_next(JSContext *ctx, JSValue *sp) +{ + JSValueConst enum_obj; + JSObject *p; + JSAtom prop; + JSForInIterator *it; + int ret; + + enum_obj = sp[-1]; + /* fail safe */ + if (JS_VALUE_GET_TAG(enum_obj) != JS_TAG_OBJECT) + goto done; + p = JS_VALUE_GET_OBJ(enum_obj); + if (p->class_id != JS_CLASS_FOR_IN_ITERATOR) + goto done; + it = p->u.for_in_iterator; + + for(;;) { + if (it->is_array) { + if (it->idx >= it->array_length) + goto done; + prop = __JS_AtomFromUInt32(it->idx); + it->idx++; + } else { + JSShape *sh = p->shape; + JSShapeProperty *prs; + if (it->idx >= sh->prop_count) + goto done; + prs = get_shape_prop(sh) + it->idx; + prop = prs->atom; + it->idx++; + if (prop == JS_ATOM_NULL || !(prs->flags & JS_PROP_ENUMERABLE)) + continue; + } + /* check if the property was deleted */ + ret = JS_HasProperty(ctx, it->obj, prop); + if (ret < 0) + return ret; + if (ret) + break; + } + /* return the property */ + sp[0] = JS_AtomToValue(ctx, prop); + sp[1] = JS_FALSE; + return 0; + done: + /* return the end */ + sp[0] = JS_UNDEFINED; + sp[1] = JS_TRUE; + return 0; +} + +static JSValue JS_GetIterator2(JSContext *ctx, JSValueConst obj, + JSValueConst method) +{ + JSValue enum_obj; + + enum_obj = JS_Call(ctx, method, obj, 0, NULL); + if (JS_IsException(enum_obj)) + return enum_obj; + if (!JS_IsObject(enum_obj)) { + JS_FreeValue(ctx, enum_obj); + return JS_ThrowTypeErrorNotAnObject(ctx); + } + return enum_obj; +} + +static JSValue JS_GetIterator(JSContext *ctx, JSValueConst obj, BOOL is_async) +{ + JSValue method, ret, sync_iter; + + if (is_async) { + method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_asyncIterator); + if (JS_IsException(method)) + return method; + if (JS_IsUndefined(method) || JS_IsNull(method)) { + method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_iterator); + if (JS_IsException(method)) + return method; + sync_iter = JS_GetIterator2(ctx, obj, method); + JS_FreeValue(ctx, method); + if (JS_IsException(sync_iter)) + return sync_iter; + ret = JS_CreateAsyncFromSyncIterator(ctx, sync_iter); + JS_FreeValue(ctx, sync_iter); + return ret; + } + } else { + method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_iterator); + if (JS_IsException(method)) + return method; + } + if (!JS_IsFunction(ctx, method)) { + JS_FreeValue(ctx, method); + return JS_ThrowTypeError(ctx, "value is not iterable"); + } + ret = JS_GetIterator2(ctx, obj, method); + JS_FreeValue(ctx, method); + return ret; +} + +/* return *pdone = 2 if the iterator object is not parsed */ +static JSValue JS_IteratorNext2(JSContext *ctx, JSValueConst enum_obj, + JSValueConst method, + int argc, JSValueConst *argv, int *pdone) +{ + JSValue obj; + + /* fast path for the built-in iterators (avoid creating the + intermediate result object) */ + if (JS_IsObject(method)) { + JSObject *p = JS_VALUE_GET_OBJ(method); + if (p->class_id == JS_CLASS_C_FUNCTION && + p->u.cfunc.cproto == JS_CFUNC_iterator_next) { + JSCFunctionType func; + JSValueConst args[1]; + + /* in case the function expects one argument */ + if (argc == 0) { + args[0] = JS_UNDEFINED; + argv = args; + } + func = p->u.cfunc.c_function; + return func.iterator_next(ctx, enum_obj, argc, argv, + pdone, p->u.cfunc.magic); + } + } + obj = JS_Call(ctx, method, enum_obj, argc, argv); + if (JS_IsException(obj)) + goto fail; + if (!JS_IsObject(obj)) { + JS_FreeValue(ctx, obj); + JS_ThrowTypeError(ctx, "iterator must return an object"); + goto fail; + } + *pdone = 2; + return obj; + fail: + *pdone = FALSE; + return JS_EXCEPTION; +} + +static JSValue JS_IteratorNext(JSContext *ctx, JSValueConst enum_obj, + JSValueConst method, + int argc, JSValueConst *argv, BOOL *pdone) +{ + JSValue obj, value, done_val; + int done; + + obj = JS_IteratorNext2(ctx, enum_obj, method, argc, argv, &done); + if (JS_IsException(obj)) + goto fail; + if (done != 2) { + *pdone = done; + return obj; + } else { + done_val = JS_GetProperty(ctx, obj, JS_ATOM_done); + if (JS_IsException(done_val)) + goto fail; + *pdone = JS_ToBoolFree(ctx, done_val); + value = JS_UNDEFINED; + if (!*pdone) { + value = JS_GetProperty(ctx, obj, JS_ATOM_value); + } + JS_FreeValue(ctx, obj); + return value; + } + fail: + JS_FreeValue(ctx, obj); + *pdone = FALSE; + return JS_EXCEPTION; +} + +/* return < 0 in case of exception */ +static int JS_IteratorClose(JSContext *ctx, JSValueConst enum_obj, + BOOL is_exception_pending) +{ + JSValue method, ret, ex_obj; + int res; + + if (is_exception_pending) { + ex_obj = ctx->rt->current_exception; + ctx->rt->current_exception = JS_NULL; + res = -1; + } else { + ex_obj = JS_UNDEFINED; + res = 0; + } + method = JS_GetProperty(ctx, enum_obj, JS_ATOM_return); + if (JS_IsException(method)) { + res = -1; + goto done; + } + if (JS_IsUndefined(method) || JS_IsNull(method)) { + goto done; + } + ret = JS_CallFree(ctx, method, enum_obj, 0, NULL); + if (!is_exception_pending) { + if (JS_IsException(ret)) { + res = -1; + } else if (!JS_IsObject(ret)) { + JS_ThrowTypeErrorNotAnObject(ctx); + res = -1; + } + } + JS_FreeValue(ctx, ret); + done: + if (is_exception_pending) { + JS_Throw(ctx, ex_obj); + } + return res; +} + +/* obj -> enum_rec (3 slots) */ +static __exception int js_for_of_start(JSContext *ctx, JSValue *sp, + BOOL is_async) +{ + JSValue op1, obj, method; + op1 = sp[-1]; + obj = JS_GetIterator(ctx, op1, is_async); + if (JS_IsException(obj)) + return -1; + JS_FreeValue(ctx, op1); + sp[-1] = obj; + method = JS_GetProperty(ctx, obj, JS_ATOM_next); + if (JS_IsException(method)) + return -1; + sp[0] = method; + return 0; +} + +/* enum_rec -> enum_rec value done */ +static __exception int js_for_of_next(JSContext *ctx, JSValue *sp, int offset) +{ + JSValue value = JS_UNDEFINED; + int done = 1; + + if (likely(!JS_IsUndefined(sp[offset]))) { + value = JS_IteratorNext(ctx, sp[offset], sp[offset + 1], 0, NULL, &done); + if (JS_IsException(value)) + done = -1; + if (done) { + /* value is JS_UNDEFINED or JS_EXCEPTION */ + /* replace the iteration object with undefined */ + JS_FreeValue(ctx, sp[offset]); + sp[offset] = JS_UNDEFINED; + if (done < 0) + return -1; + } + } + sp[0] = value; + sp[1] = JS_NewBool(ctx, done); + return 0; +} + +static __exception int js_for_await_of_next(JSContext *ctx, JSValue *sp) +{ + JSValue result; + result = JS_Call(ctx, sp[-2], sp[-3], 0, NULL); + if (JS_IsException(result)) + return -1; + sp[0] = result; + return 0; +} + +static JSValue JS_IteratorGetCompleteValue(JSContext *ctx, JSValueConst obj, + BOOL *pdone) +{ + JSValue done_val, value; + BOOL done; + done_val = JS_GetProperty(ctx, obj, JS_ATOM_done); + if (JS_IsException(done_val)) + goto fail; + done = JS_ToBoolFree(ctx, done_val); + value = JS_GetProperty(ctx, obj, JS_ATOM_value); + if (JS_IsException(value)) + goto fail; + *pdone = done; + return value; + fail: + *pdone = FALSE; + return JS_EXCEPTION; +} + +static __exception int js_iterator_get_value_done(JSContext *ctx, JSValue *sp) +{ + JSValue obj, value; + BOOL done; + obj = sp[-1]; + if (!JS_IsObject(obj)) { + JS_ThrowTypeError(ctx, "iterator must return an object"); + return -1; + } + value = JS_IteratorGetCompleteValue(ctx, obj, &done); + if (JS_IsException(value)) + return -1; + JS_FreeValue(ctx, obj); + sp[-1] = value; + sp[0] = JS_NewBool(ctx, done); + return 0; +} + +static JSValue js_create_iterator_result(JSContext *ctx, + JSValue val, + BOOL done) +{ + JSValue obj; + obj = JS_NewObject(ctx); + if (JS_IsException(obj)) { + JS_FreeValue(ctx, val); + return obj; + } + if (JS_DefinePropertyValue(ctx, obj, JS_ATOM_value, + val, JS_PROP_C_W_E) < 0) { + goto fail; + } + if (JS_DefinePropertyValue(ctx, obj, JS_ATOM_done, + JS_NewBool(ctx, done), JS_PROP_C_W_E) < 0) { + fail: + JS_FreeValue(ctx, obj); + return JS_EXCEPTION; + } + return obj; +} + +static JSValue js_array_iterator_next(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, + BOOL *pdone, int magic); + +static JSValue js_create_array_iterator(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, int magic); + +static BOOL js_is_fast_array(JSContext *ctx, JSValueConst obj) +{ + /* Try and handle fast arrays explicitly */ + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + JSObject *p = JS_VALUE_GET_OBJ(obj); + if (p->class_id == JS_CLASS_ARRAY && p->fast_array) { + return TRUE; + } + } + return FALSE; +} + +/* Access an Array's internal JSValue array if available */ +static BOOL js_get_fast_array(JSContext *ctx, JSValueConst obj, + JSValue **arrpp, uint32_t *countp) +{ + /* Try and handle fast arrays explicitly */ + if (JS_VALUE_GET_TAG(obj) == JS_TAG_OBJECT) { + JSObject *p = JS_VALUE_GET_OBJ(obj); + if (p->class_id == JS_CLASS_ARRAY && p->fast_array) { + *countp = p->u.array.count; + *arrpp = p->u.array.u.values; + return TRUE; + } + } + return FALSE; +} + +static __exception int js_append_enumerate(JSContext *ctx, JSValue *sp) +{ + JSValue iterator, enumobj, method, value; + int pos, is_array_iterator; + JSValue *arrp; + uint32_t i, count32; + + if (JS_VALUE_GET_TAG(sp[-2]) != JS_TAG_INT) { + JS_ThrowInternalError(ctx, "invalid index for append"); + return -1; + } + + pos = JS_VALUE_GET_INT(sp[-2]); + + /* XXX: further optimisations: + - use ctx->array_proto_values? + - check if array_iterator_prototype next method is built-in and + avoid constructing actual iterator object? + - build this into js_for_of_start and use in all `for (x of o)` loops + */ + iterator = JS_GetProperty(ctx, sp[-1], JS_ATOM_Symbol_iterator); + if (JS_IsException(iterator)) + return -1; + is_array_iterator = JS_IsCFunction(ctx, iterator, + (JSCFunction *)js_create_array_iterator, + JS_ITERATOR_KIND_VALUE); + JS_FreeValue(ctx, iterator); + + enumobj = JS_GetIterator(ctx, sp[-1], FALSE); + if (JS_IsException(enumobj)) + return -1; + method = JS_GetProperty(ctx, enumobj, JS_ATOM_next); + if (JS_IsException(method)) { + JS_FreeValue(ctx, enumobj); + return -1; + } + if (is_array_iterator + && JS_IsCFunction(ctx, method, (JSCFunction *)js_array_iterator_next, 0) + && js_get_fast_array(ctx, sp[-1], &arrp, &count32)) { + int64_t len; + /* Handle fast arrays explicitly */ + if (js_get_length64(ctx, &len, sp[-1])) + goto exception; + for (i = 0; i < count32; i++) { + if (JS_DefinePropertyValueUint32(ctx, sp[-3], pos++, + JS_DupValue(ctx, arrp[i]), JS_PROP_C_W_E) < 0) + goto exception; + } + if (len > count32) { + /* This is not strictly correct because the trailing elements are + empty instead of undefined. Append undefined entries instead. + */ + pos += len - count32; + if (JS_SetProperty(ctx, sp[-3], JS_ATOM_length, JS_NewUint32(ctx, pos)) < 0) + goto exception; + } + } else { + for (;;) { + BOOL done; + value = JS_IteratorNext(ctx, enumobj, method, 0, NULL, &done); + if (JS_IsException(value)) + goto exception; + if (done) { + /* value is JS_UNDEFINED */ + break; + } + if (JS_DefinePropertyValueUint32(ctx, sp[-3], pos++, value, JS_PROP_C_W_E) < 0) + goto exception; + } + } + sp[-2] = JS_NewInt32(ctx, pos); + JS_FreeValue(ctx, enumobj); + JS_FreeValue(ctx, method); + return 0; + +exception: + JS_IteratorClose(ctx, enumobj, TRUE); + JS_FreeValue(ctx, enumobj); + JS_FreeValue(ctx, method); + return -1; +} + +static __exception int JS_CopyDataProperties(JSContext *ctx, + JSValueConst target, + JSValueConst source, + JSValueConst excluded, + BOOL setprop) +{ + JSPropertyEnum *tab_atom; + JSValue val; + uint32_t i, tab_atom_count; + JSObject *p; + JSObject *pexcl = NULL; + int ret = 0, flags; + + if (JS_VALUE_GET_TAG(source) != JS_TAG_OBJECT) + return 0; + + if (JS_VALUE_GET_TAG(excluded) == JS_TAG_OBJECT) + pexcl = JS_VALUE_GET_OBJ(excluded); + + p = JS_VALUE_GET_OBJ(source); + if (JS_GetOwnPropertyNamesInternal(ctx, &tab_atom, &tab_atom_count, p, + JS_GPN_STRING_MASK | JS_GPN_SYMBOL_MASK | + JS_GPN_ENUM_ONLY)) + return -1; + + flags = JS_PROP_C_W_E; + + for (i = 0; i < tab_atom_count; i++) { + if (pexcl) { + ret = JS_GetOwnPropertyInternal(ctx, NULL, pexcl, tab_atom[i].atom); + if (ret) { + if (ret < 0) + break; + ret = 0; + continue; + } + } + ret = -1; + val = JS_GetProperty(ctx, source, tab_atom[i].atom); + if (JS_IsException(val)) + break; + if (setprop) + ret = JS_SetProperty(ctx, target, tab_atom[i].atom, val); + else + ret = JS_DefinePropertyValue(ctx, target, tab_atom[i].atom, val, flags); + if (ret < 0) + break; + ret = 0; + } + js_free_prop_enum(ctx, tab_atom, tab_atom_count); + return ret; +} + +/* only valid inside C functions */ +static JSValueConst JS_GetActiveFunction(JSContext *ctx) +{ + return ctx->rt->current_stack_frame->cur_func; +} + +static JSVarRef *get_var_ref(JSContext *ctx, JSStackFrame *sf, + int var_idx, BOOL is_arg) +{ + JSVarRef *var_ref; + struct list_head *el; + + list_for_each(el, &sf->var_ref_list) { + var_ref = list_entry(el, JSVarRef, header.link); + if (var_ref->var_idx == var_idx && var_ref->is_arg == is_arg) { + var_ref->header.ref_count++; + return var_ref; + } + } + /* create a new one */ + var_ref = js_malloc(ctx, sizeof(JSVarRef)); + if (!var_ref) + return NULL; + var_ref->header.ref_count = 1; + var_ref->is_detached = FALSE; + var_ref->is_arg = is_arg; + var_ref->var_idx = var_idx; + list_add_tail(&var_ref->header.link, &sf->var_ref_list); + if (is_arg) + var_ref->pvalue = &sf->arg_buf[var_idx]; + else + var_ref->pvalue = &sf->var_buf[var_idx]; + var_ref->value = JS_UNDEFINED; + return var_ref; +} + +static JSValue js_closure2(JSContext *ctx, JSValue func_obj, + JSFunctionBytecode *b, + JSVarRef **cur_var_refs, + JSStackFrame *sf) +{ + JSObject *p; + JSVarRef **var_refs; + int i; + + p = JS_VALUE_GET_OBJ(func_obj); + p->u.func.function_bytecode = b; + p->u.func.home_object = NULL; + p->u.func.var_refs = NULL; + if (b->closure_var_count) { + var_refs = js_mallocz(ctx, sizeof(var_refs[0]) * b->closure_var_count); + if (!var_refs) + goto fail; + p->u.func.var_refs = var_refs; + for(i = 0; i < b->closure_var_count; i++) { + JSClosureVar *cv = &b->closure_var[i]; + JSVarRef *var_ref; + if (cv->is_local) { + /* reuse the existing variable reference if it already exists */ + var_ref = get_var_ref(ctx, sf, cv->var_idx, cv->is_arg); + if (!var_ref) + goto fail; + } else { + var_ref = cur_var_refs[cv->var_idx]; + var_ref->header.ref_count++; + } + var_refs[i] = var_ref; + } + } + return func_obj; + fail: + /* bfunc is freed when func_obj is freed */ + JS_FreeValue(ctx, func_obj); + return JS_EXCEPTION; +} + +static int js_instantiate_prototype(JSContext *ctx, JSObject *p, JSAtom atom, void *opaque) +{ + JSValue obj, this_val; + int ret; + + this_val = JS_MKPTR(JS_TAG_OBJECT, p); + obj = JS_NewObject(ctx); + if (JS_IsException(obj)) + return -1; + set_cycle_flag(ctx, obj); + set_cycle_flag(ctx, this_val); + ret = JS_DefinePropertyValue(ctx, obj, JS_ATOM_constructor, + JS_DupValue(ctx, this_val), + JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE); + if (JS_DefinePropertyValue(ctx, this_val, atom, obj, JS_PROP_WRITABLE) < 0 || ret < 0) + return -1; + return 0; +} + +static const uint16_t func_kind_to_class_id[] = { + [JS_FUNC_NORMAL] = JS_CLASS_BYTECODE_FUNCTION, + [JS_FUNC_GENERATOR] = JS_CLASS_GENERATOR_FUNCTION, + [JS_FUNC_ASYNC] = JS_CLASS_ASYNC_FUNCTION, + [JS_FUNC_ASYNC_GENERATOR] = JS_CLASS_ASYNC_GENERATOR_FUNCTION, +}; + +static JSValue js_closure(JSContext *ctx, JSValue bfunc, + JSVarRef **cur_var_refs, + JSStackFrame *sf) +{ + JSFunctionBytecode *b; + JSValue func_obj; + JSAtom name_atom; + + b = JS_VALUE_GET_PTR(bfunc); + func_obj = JS_NewObjectClass(ctx, func_kind_to_class_id[b->func_kind]); + if (JS_IsException(func_obj)) { + JS_FreeValue(ctx, bfunc); + return JS_EXCEPTION; + } + func_obj = js_closure2(ctx, func_obj, b, cur_var_refs, sf); + if (JS_IsException(func_obj)) { + /* bfunc has been freed */ + goto fail; + } + name_atom = b->func_name; + if (name_atom == JS_ATOM_NULL) + name_atom = JS_ATOM_empty_string; + js_function_set_properties(ctx, func_obj, name_atom, + b->defined_arg_count); + + if (b->func_kind & JS_FUNC_GENERATOR) { + JSValue proto; + int proto_class_id; + /* generators have a prototype field which is used as + prototype for the generator object */ + if (b->func_kind == JS_FUNC_ASYNC_GENERATOR) + proto_class_id = JS_CLASS_ASYNC_GENERATOR; + else + proto_class_id = JS_CLASS_GENERATOR; + proto = JS_NewObjectProto(ctx, ctx->class_proto[proto_class_id]); + if (JS_IsException(proto)) + goto fail; + JS_DefinePropertyValue(ctx, func_obj, JS_ATOM_prototype, proto, + JS_PROP_WRITABLE); + } else if (b->has_prototype) { + /* add the 'prototype' property: delay instantiation to avoid + creating cycles for every javascript function. The prototype + object is created on the fly when first accessed */ + JS_SetConstructorBit(ctx, func_obj, TRUE); + JS_DefineAutoInitProperty(ctx, func_obj, JS_ATOM_prototype, + JS_AUTOINIT_ID_PROTOTYPE, NULL, + JS_PROP_WRITABLE); + } + return func_obj; + fail: + /* bfunc is freed when func_obj is freed */ + JS_FreeValue(ctx, func_obj); + return JS_EXCEPTION; +} + +#define JS_DEFINE_CLASS_HAS_HERITAGE (1 << 0) + +static int js_op_define_class(JSContext *ctx, JSValue *sp, + JSAtom class_name, int class_flags, + JSVarRef **cur_var_refs, + JSStackFrame *sf, BOOL is_computed_name) +{ + JSValue bfunc, parent_class, proto = JS_UNDEFINED; + JSValue ctor = JS_UNDEFINED, parent_proto = JS_UNDEFINED; + JSFunctionBytecode *b; + + parent_class = sp[-2]; + bfunc = sp[-1]; + + if (class_flags & JS_DEFINE_CLASS_HAS_HERITAGE) { + if (JS_IsNull(parent_class)) { + parent_proto = JS_NULL; + parent_class = JS_DupValue(ctx, ctx->function_proto); + } else { + if (!JS_IsConstructor(ctx, parent_class)) { + JS_ThrowTypeError(ctx, "parent class must be constructor"); + goto fail; + } + parent_proto = JS_GetProperty(ctx, parent_class, JS_ATOM_prototype); + if (JS_IsException(parent_proto)) + goto fail; + if (!JS_IsNull(parent_proto) && !JS_IsObject(parent_proto)) { + JS_ThrowTypeError(ctx, "parent prototype must be an object or null"); + goto fail; + } + } + } else { + /* parent_class is JS_UNDEFINED in this case */ + parent_proto = JS_DupValue(ctx, ctx->class_proto[JS_CLASS_OBJECT]); + parent_class = JS_DupValue(ctx, ctx->function_proto); + } + proto = JS_NewObjectProto(ctx, parent_proto); + if (JS_IsException(proto)) + goto fail; + + b = JS_VALUE_GET_PTR(bfunc); + assert(b->func_kind == JS_FUNC_NORMAL); + ctor = JS_NewObjectProtoClass(ctx, parent_class, + JS_CLASS_BYTECODE_FUNCTION); + if (JS_IsException(ctor)) + goto fail; + ctor = js_closure2(ctx, ctor, b, cur_var_refs, sf); + bfunc = JS_UNDEFINED; + if (JS_IsException(ctor)) + goto fail; + js_method_set_home_object(ctx, ctor, proto); + JS_SetConstructorBit(ctx, ctor, TRUE); + + JS_DefinePropertyValue(ctx, ctor, JS_ATOM_length, + JS_NewInt32(ctx, b->defined_arg_count), + JS_PROP_CONFIGURABLE); + + if (is_computed_name) { + if (JS_DefineObjectNameComputed(ctx, ctor, sp[-3], + JS_PROP_CONFIGURABLE) < 0) + goto fail; + } else { + if (JS_DefineObjectName(ctx, ctor, class_name, JS_PROP_CONFIGURABLE) < 0) + goto fail; + } + + /* the constructor property must be first. It can be overriden by + computed property names */ + if (JS_DefinePropertyValue(ctx, proto, JS_ATOM_constructor, + JS_DupValue(ctx, ctor), + JS_PROP_CONFIGURABLE | + JS_PROP_WRITABLE | JS_PROP_THROW) < 0) + goto fail; + /* set the prototype property */ + if (JS_DefinePropertyValue(ctx, ctor, JS_ATOM_prototype, + JS_DupValue(ctx, proto), JS_PROP_THROW) < 0) + goto fail; + set_cycle_flag(ctx, ctor); + set_cycle_flag(ctx, proto); + + JS_FreeValue(ctx, parent_proto); + JS_FreeValue(ctx, parent_class); + + sp[-2] = ctor; + sp[-1] = proto; + return 0; + fail: + JS_FreeValue(ctx, parent_class); + JS_FreeValue(ctx, parent_proto); + JS_FreeValue(ctx, bfunc); + JS_FreeValue(ctx, proto); + JS_FreeValue(ctx, ctor); + sp[-2] = JS_UNDEFINED; + sp[-1] = JS_UNDEFINED; + return -1; +} + +static void close_var_refs(JSRuntime *rt, JSStackFrame *sf) +{ + struct list_head *el, *el1; + JSVarRef *var_ref; + int var_idx; + + list_for_each_safe(el, el1, &sf->var_ref_list) { + var_ref = list_entry(el, JSVarRef, header.link); + var_idx = var_ref->var_idx; + if (var_ref->is_arg) + var_ref->value = JS_DupValueRT(rt, sf->arg_buf[var_idx]); + else + var_ref->value = JS_DupValueRT(rt, sf->var_buf[var_idx]); + var_ref->pvalue = &var_ref->value; + /* the reference is no longer to a local variable */ + var_ref->is_detached = TRUE; + add_gc_object(rt, &var_ref->header, JS_GC_OBJ_TYPE_VAR_REF); + } +} + +static void close_lexical_var(JSContext *ctx, JSStackFrame *sf, int idx, int is_arg) +{ + struct list_head *el, *el1; + JSVarRef *var_ref; + int var_idx = idx; + + list_for_each_safe(el, el1, &sf->var_ref_list) { + var_ref = list_entry(el, JSVarRef, header.link); + if (var_idx == var_ref->var_idx && var_ref->is_arg == is_arg) { + var_ref->value = JS_DupValue(ctx, sf->var_buf[var_idx]); + var_ref->pvalue = &var_ref->value; + list_del(&var_ref->header.link); + /* the reference is no longer to a local variable */ + var_ref->is_detached = TRUE; + add_gc_object(ctx->rt, &var_ref->header, JS_GC_OBJ_TYPE_VAR_REF); + } + } +} + +#define JS_CALL_FLAG_COPY_ARGV (1 << 1) +#define JS_CALL_FLAG_GENERATOR (1 << 2) + +static JSValue js_call_c_function(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, int flags) +{ + JSRuntime *rt = ctx->rt; + JSCFunctionType func; + JSObject *p; + JSStackFrame sf_s, *sf = &sf_s, *prev_sf; + JSValue ret_val; + JSValueConst *arg_buf; + int arg_count, i; + JSCFunctionEnum cproto; + + p = JS_VALUE_GET_OBJ(func_obj); + cproto = p->u.cfunc.cproto; + arg_count = p->u.cfunc.length; + + /* better to always check stack overflow */ + if (js_check_stack_overflow(rt, sizeof(arg_buf[0]) * arg_count)) + return JS_ThrowStackOverflow(ctx); + + prev_sf = rt->current_stack_frame; + sf->prev_frame = prev_sf; + rt->current_stack_frame = sf; + ctx = p->u.cfunc.realm; /* change the current realm */ + +#ifdef CONFIG_BIGNUM + /* we only propagate the bignum mode as some runtime functions + test it */ + if (prev_sf) + sf->js_mode = prev_sf->js_mode & JS_MODE_MATH; + else + sf->js_mode = 0; +#else + sf->js_mode = 0; +#endif + sf->cur_func = (JSValue)func_obj; + sf->arg_count = argc; + arg_buf = argv; + + if (unlikely(argc < arg_count)) { + /* ensure that at least argc_count arguments are readable */ + arg_buf = alloca(sizeof(arg_buf[0]) * arg_count); + for(i = 0; i < argc; i++) + arg_buf[i] = argv[i]; + for(i = argc; i < arg_count; i++) + arg_buf[i] = JS_UNDEFINED; + sf->arg_count = arg_count; + } + sf->arg_buf = (JSValue*)arg_buf; + + func = p->u.cfunc.c_function; + switch(cproto) { + case JS_CFUNC_constructor: + case JS_CFUNC_constructor_or_func: + if (!(flags & JS_CALL_FLAG_CONSTRUCTOR)) { + if (cproto == JS_CFUNC_constructor) { + not_a_constructor: + ret_val = JS_ThrowTypeError(ctx, "must be called with new"); + break; + } else { + this_obj = JS_UNDEFINED; + } + } + /* here this_obj is new_target */ + /* fall thru */ + case JS_CFUNC_generic: + ret_val = func.generic(ctx, this_obj, argc, arg_buf); + break; + case JS_CFUNC_constructor_magic: + case JS_CFUNC_constructor_or_func_magic: + if (!(flags & JS_CALL_FLAG_CONSTRUCTOR)) { + if (cproto == JS_CFUNC_constructor_magic) { + goto not_a_constructor; + } else { + this_obj = JS_UNDEFINED; + } + } + /* fall thru */ + case JS_CFUNC_generic_magic: + ret_val = func.generic_magic(ctx, this_obj, argc, arg_buf, + p->u.cfunc.magic); + break; + case JS_CFUNC_getter: + ret_val = func.getter(ctx, this_obj); + break; + case JS_CFUNC_setter: + ret_val = func.setter(ctx, this_obj, arg_buf[0]); + break; + case JS_CFUNC_getter_magic: + ret_val = func.getter_magic(ctx, this_obj, p->u.cfunc.magic); + break; + case JS_CFUNC_setter_magic: + ret_val = func.setter_magic(ctx, this_obj, arg_buf[0], p->u.cfunc.magic); + break; + case JS_CFUNC_f_f: + { + double d1; + + if (unlikely(JS_ToFloat64(ctx, &d1, arg_buf[0]))) { + ret_val = JS_EXCEPTION; + break; + } + ret_val = JS_NewFloat64(ctx, func.f_f(d1)); + } + break; + case JS_CFUNC_f_f_f: + { + double d1, d2; + + if (unlikely(JS_ToFloat64(ctx, &d1, arg_buf[0]))) { + ret_val = JS_EXCEPTION; + break; + } + if (unlikely(JS_ToFloat64(ctx, &d2, arg_buf[1]))) { + ret_val = JS_EXCEPTION; + break; + } + ret_val = JS_NewFloat64(ctx, func.f_f_f(d1, d2)); + } + break; + case JS_CFUNC_iterator_next: + { + int done; + ret_val = func.iterator_next(ctx, this_obj, argc, arg_buf, + &done, p->u.cfunc.magic); + if (!JS_IsException(ret_val) && done != 2) { + ret_val = js_create_iterator_result(ctx, ret_val, done); + } + } + break; + default: + abort(); + } + + rt->current_stack_frame = sf->prev_frame; + return ret_val; +} + +static JSValue js_call_bound_function(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, int flags) +{ + JSObject *p; + JSBoundFunction *bf; + JSValueConst *arg_buf, new_target; + int arg_count, i; + + p = JS_VALUE_GET_OBJ(func_obj); + bf = p->u.bound_function; + arg_count = bf->argc + argc; + if (js_check_stack_overflow(ctx->rt, sizeof(JSValue) * arg_count)) + return JS_ThrowStackOverflow(ctx); + arg_buf = alloca(sizeof(JSValue) * arg_count); + for(i = 0; i < bf->argc; i++) { + arg_buf[i] = bf->argv[i]; + } + for(i = 0; i < argc; i++) { + arg_buf[bf->argc + i] = argv[i]; + } + if (flags & JS_CALL_FLAG_CONSTRUCTOR) { + new_target = this_obj; + if (js_same_value(ctx, func_obj, new_target)) + new_target = bf->func_obj; + return JS_CallConstructor2(ctx, bf->func_obj, new_target, + arg_count, arg_buf); + } else { + return JS_Call(ctx, bf->func_obj, bf->this_val, + arg_count, arg_buf); + } +} + +/* argument of OP_special_object */ +typedef enum { + OP_SPECIAL_OBJECT_ARGUMENTS, + OP_SPECIAL_OBJECT_MAPPED_ARGUMENTS, + OP_SPECIAL_OBJECT_THIS_FUNC, + OP_SPECIAL_OBJECT_NEW_TARGET, + OP_SPECIAL_OBJECT_HOME_OBJECT, + OP_SPECIAL_OBJECT_VAR_OBJECT, + OP_SPECIAL_OBJECT_IMPORT_META, +} OPSpecialObjectEnum; + +#define FUNC_RET_AWAIT 0 +#define FUNC_RET_YIELD 1 +#define FUNC_RET_YIELD_STAR 2 + +/* argv[] is modified if (flags & JS_CALL_FLAG_COPY_ARGV) = 0. */ +static JSValue JS_CallInternal(JSContext *caller_ctx, JSValueConst func_obj, + JSValueConst this_obj, JSValueConst new_target, + int argc, JSValue *argv, int flags) +{ + JSRuntime *rt = caller_ctx->rt; + JSContext *ctx; + JSObject *p; + JSFunctionBytecode *b; + JSStackFrame sf_s, *sf = &sf_s; + const uint8_t *pc; + int opcode, arg_allocated_size, i; + JSValue *local_buf, *stack_buf, *var_buf, *arg_buf, *sp, ret_val, *pval; + JSVarRef **var_refs; + size_t alloca_size; + +#if !DIRECT_DISPATCH +#define SWITCH(pc) switch (opcode = *pc++) +#define CASE(op) case op +#define DEFAULT default +#define BREAK break +#else + static const void * const dispatch_table[256] = { +#define DEF(id, size, n_pop, n_push, f) && case_OP_ ## id, +#if SHORT_OPCODES +#define def(id, size, n_pop, n_push, f) +#else +#define def(id, size, n_pop, n_push, f) && case_default, +#endif +#include "quickjs-opcode.h" + [ OP_COUNT ... 255 ] = &&case_default + }; +#define SWITCH(pc) goto *dispatch_table[opcode = *pc++]; +#define CASE(op) case_ ## op +#define DEFAULT case_default +#define BREAK SWITCH(pc) +#endif + + if (js_poll_interrupts(caller_ctx)) + return JS_EXCEPTION; + if (unlikely(JS_VALUE_GET_TAG(func_obj) != JS_TAG_OBJECT)) { + if (flags & JS_CALL_FLAG_GENERATOR) { + JSAsyncFunctionState *s = JS_VALUE_GET_PTR(func_obj); + /* func_obj get contains a pointer to JSFuncAsyncState */ + /* the stack frame is already allocated */ + sf = &s->frame; + p = JS_VALUE_GET_OBJ(sf->cur_func); + b = p->u.func.function_bytecode; + ctx = b->realm; + var_refs = p->u.func.var_refs; + local_buf = arg_buf = sf->arg_buf; + var_buf = sf->var_buf; + stack_buf = sf->var_buf + b->var_count; + sp = sf->cur_sp; + sf->cur_sp = NULL; /* cur_sp is NULL if the function is running */ + pc = sf->cur_pc; + sf->prev_frame = rt->current_stack_frame; + rt->current_stack_frame = sf; + if (s->throw_flag) + goto exception; + else + goto restart; + } else { + goto not_a_function; + } + } + p = JS_VALUE_GET_OBJ(func_obj); + if (unlikely(p->class_id != JS_CLASS_BYTECODE_FUNCTION)) { + JSClassCall *call_func; + call_func = rt->class_array[p->class_id].call; + if (!call_func) { + not_a_function: + return JS_ThrowTypeError(caller_ctx, "not a function"); + } + return call_func(caller_ctx, func_obj, this_obj, argc, + (JSValueConst *)argv, flags); + } + b = p->u.func.function_bytecode; + + if (unlikely(argc < b->arg_count || (flags & JS_CALL_FLAG_COPY_ARGV))) { + arg_allocated_size = b->arg_count; + } else { + arg_allocated_size = 0; + } + + alloca_size = sizeof(JSValue) * (arg_allocated_size + b->var_count + + b->stack_size); + if (js_check_stack_overflow(rt, alloca_size)) + return JS_ThrowStackOverflow(caller_ctx); + + sf->js_mode = b->js_mode; + arg_buf = argv; + sf->arg_count = argc; + sf->cur_func = (JSValue)func_obj; + init_list_head(&sf->var_ref_list); + var_refs = p->u.func.var_refs; + + local_buf = alloca(alloca_size); + if (unlikely(arg_allocated_size)) { + int n = min_int(argc, b->arg_count); + arg_buf = local_buf; + for(i = 0; i < n; i++) + arg_buf[i] = JS_DupValue(caller_ctx, argv[i]); + for(; i < b->arg_count; i++) + arg_buf[i] = JS_UNDEFINED; + sf->arg_count = b->arg_count; + } + var_buf = local_buf + arg_allocated_size; + sf->var_buf = var_buf; + sf->arg_buf = arg_buf; + + for(i = 0; i < b->var_count; i++) + var_buf[i] = JS_UNDEFINED; + + stack_buf = var_buf + b->var_count; + sp = stack_buf; + pc = b->byte_code_buf; + sf->prev_frame = rt->current_stack_frame; + rt->current_stack_frame = sf; + ctx = b->realm; /* set the current realm */ + + restart: + for(;;) { + int call_argc; + JSValue *call_argv; + + SWITCH(pc) { + CASE(OP_push_i32): + *sp++ = JS_NewInt32(ctx, get_u32(pc)); + pc += 4; + BREAK; + CASE(OP_push_const): + *sp++ = JS_DupValue(ctx, b->cpool[get_u32(pc)]); + pc += 4; + BREAK; +#if SHORT_OPCODES + CASE(OP_push_minus1): + CASE(OP_push_0): + CASE(OP_push_1): + CASE(OP_push_2): + CASE(OP_push_3): + CASE(OP_push_4): + CASE(OP_push_5): + CASE(OP_push_6): + CASE(OP_push_7): + *sp++ = JS_NewInt32(ctx, opcode - OP_push_0); + BREAK; + CASE(OP_push_i8): + *sp++ = JS_NewInt32(ctx, get_i8(pc)); + pc += 1; + BREAK; + CASE(OP_push_i16): + *sp++ = JS_NewInt32(ctx, get_i16(pc)); + pc += 2; + BREAK; + CASE(OP_push_const8): + *sp++ = JS_DupValue(ctx, b->cpool[*pc++]); + BREAK; + CASE(OP_fclosure8): + *sp++ = js_closure(ctx, JS_DupValue(ctx, b->cpool[*pc++]), var_refs, sf); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + BREAK; + CASE(OP_push_empty_string): + *sp++ = JS_AtomToString(ctx, JS_ATOM_empty_string); + BREAK; + CASE(OP_get_length): + { + JSValue val; + + val = JS_GetProperty(ctx, sp[-1], JS_ATOM_length); + if (unlikely(JS_IsException(val))) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = val; + } + BREAK; +#endif + CASE(OP_push_atom_value): + *sp++ = JS_AtomToValue(ctx, get_u32(pc)); + pc += 4; + BREAK; + CASE(OP_undefined): + *sp++ = JS_UNDEFINED; + BREAK; + CASE(OP_null): + *sp++ = JS_NULL; + BREAK; + CASE(OP_push_this): + /* OP_push_this is only called at the start of a function */ + { + JSValue val; + if (!(b->js_mode & JS_MODE_STRICT)) { + uint32_t tag = JS_VALUE_GET_TAG(this_obj); + if (likely(tag == JS_TAG_OBJECT)) + goto normal_this; + if (tag == JS_TAG_NULL || tag == JS_TAG_UNDEFINED) { + val = JS_DupValue(ctx, ctx->global_obj); + } else { + val = JS_ToObject(ctx, this_obj); + if (JS_IsException(val)) + goto exception; + } + } else { + normal_this: + val = JS_DupValue(ctx, this_obj); + } + *sp++ = val; + } + BREAK; + CASE(OP_push_false): + *sp++ = JS_FALSE; + BREAK; + CASE(OP_push_true): + *sp++ = JS_TRUE; + BREAK; + CASE(OP_object): + *sp++ = JS_NewObject(ctx); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + BREAK; + CASE(OP_special_object): + { + int arg = *pc++; + switch(arg) { + case OP_SPECIAL_OBJECT_ARGUMENTS: + *sp++ = js_build_arguments(ctx, argc, (JSValueConst *)argv); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + break; + case OP_SPECIAL_OBJECT_MAPPED_ARGUMENTS: + *sp++ = js_build_mapped_arguments(ctx, argc, (JSValueConst *)argv, + sf, min_int(argc, b->arg_count)); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + break; + case OP_SPECIAL_OBJECT_THIS_FUNC: + *sp++ = JS_DupValue(ctx, sf->cur_func); + break; + case OP_SPECIAL_OBJECT_NEW_TARGET: + *sp++ = JS_DupValue(ctx, new_target); + break; + case OP_SPECIAL_OBJECT_HOME_OBJECT: + { + JSObject *p1; + p1 = p->u.func.home_object; + if (unlikely(!p1)) + *sp++ = JS_UNDEFINED; + else + *sp++ = JS_DupValue(ctx, JS_MKPTR(JS_TAG_OBJECT, p1)); + } + break; + case OP_SPECIAL_OBJECT_VAR_OBJECT: + *sp++ = JS_NewObjectProto(ctx, JS_NULL); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + break; + case OP_SPECIAL_OBJECT_IMPORT_META: + *sp++ = js_import_meta(ctx); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + break; + default: + abort(); + } + } + BREAK; + CASE(OP_rest): + { + int first = get_u16(pc); + pc += 2; + *sp++ = js_build_rest(ctx, first, argc, (JSValueConst *)argv); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + } + BREAK; + + CASE(OP_drop): + JS_FreeValue(ctx, sp[-1]); + sp--; + BREAK; + CASE(OP_nip): + JS_FreeValue(ctx, sp[-2]); + sp[-2] = sp[-1]; + sp--; + BREAK; + CASE(OP_nip1): /* a b c -> b c */ + JS_FreeValue(ctx, sp[-3]); + sp[-3] = sp[-2]; + sp[-2] = sp[-1]; + sp--; + BREAK; + CASE(OP_dup): + sp[0] = JS_DupValue(ctx, sp[-1]); + sp++; + BREAK; + CASE(OP_dup2): /* a b -> a b a b */ + sp[0] = JS_DupValue(ctx, sp[-2]); + sp[1] = JS_DupValue(ctx, sp[-1]); + sp += 2; + BREAK; + CASE(OP_dup3): /* a b c -> a b c a b c */ + sp[0] = JS_DupValue(ctx, sp[-3]); + sp[1] = JS_DupValue(ctx, sp[-2]); + sp[2] = JS_DupValue(ctx, sp[-1]); + sp += 3; + BREAK; + CASE(OP_dup1): /* a b -> a a b */ + sp[0] = sp[-1]; + sp[-1] = JS_DupValue(ctx, sp[-2]); + sp++; + BREAK; + CASE(OP_insert2): /* obj a -> a obj a (dup_x1) */ + sp[0] = sp[-1]; + sp[-1] = sp[-2]; + sp[-2] = JS_DupValue(ctx, sp[0]); + sp++; + BREAK; + CASE(OP_insert3): /* obj prop a -> a obj prop a (dup_x2) */ + sp[0] = sp[-1]; + sp[-1] = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = JS_DupValue(ctx, sp[0]); + sp++; + BREAK; + CASE(OP_insert4): /* this obj prop a -> a this obj prop a */ + sp[0] = sp[-1]; + sp[-1] = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = sp[-4]; + sp[-4] = JS_DupValue(ctx, sp[0]); + sp++; + BREAK; + CASE(OP_perm3): /* obj a b -> a obj b (213) */ + { + JSValue tmp; + tmp = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = tmp; + } + BREAK; + CASE(OP_rot3l): /* x a b -> a b x (231) */ + { + JSValue tmp; + tmp = sp[-3]; + sp[-3] = sp[-2]; + sp[-2] = sp[-1]; + sp[-1] = tmp; + } + BREAK; + CASE(OP_rot4l): /* x a b c -> a b c x */ + { + JSValue tmp; + tmp = sp[-4]; + sp[-4] = sp[-3]; + sp[-3] = sp[-2]; + sp[-2] = sp[-1]; + sp[-1] = tmp; + } + BREAK; + CASE(OP_rot5l): /* x a b c d -> a b c d x */ + { + JSValue tmp; + tmp = sp[-5]; + sp[-5] = sp[-4]; + sp[-4] = sp[-3]; + sp[-3] = sp[-2]; + sp[-2] = sp[-1]; + sp[-1] = tmp; + } + BREAK; + CASE(OP_rot3r): /* a b x -> x a b (312) */ + { + JSValue tmp; + tmp = sp[-1]; + sp[-1] = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = tmp; + } + BREAK; + CASE(OP_perm4): /* obj prop a b -> a obj prop b */ + { + JSValue tmp; + tmp = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = sp[-4]; + sp[-4] = tmp; + } + BREAK; + CASE(OP_perm5): /* this obj prop a b -> a this obj prop b */ + { + JSValue tmp; + tmp = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = sp[-4]; + sp[-4] = sp[-5]; + sp[-5] = tmp; + } + BREAK; + CASE(OP_swap): /* a b -> b a */ + { + JSValue tmp; + tmp = sp[-2]; + sp[-2] = sp[-1]; + sp[-1] = tmp; + } + BREAK; + CASE(OP_swap2): /* a b c d -> c d a b */ + { + JSValue tmp1, tmp2; + tmp1 = sp[-4]; + tmp2 = sp[-3]; + sp[-4] = sp[-2]; + sp[-3] = sp[-1]; + sp[-2] = tmp1; + sp[-1] = tmp2; + } + BREAK; + + CASE(OP_fclosure): + { + JSValue bfunc = JS_DupValue(ctx, b->cpool[get_u32(pc)]); + pc += 4; + *sp++ = js_closure(ctx, bfunc, var_refs, sf); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + } + BREAK; +#if SHORT_OPCODES + CASE(OP_call0): + CASE(OP_call1): + CASE(OP_call2): + CASE(OP_call3): + call_argc = opcode - OP_call0; + goto has_call_argc; +#endif + CASE(OP_call): + CASE(OP_tail_call): + { + call_argc = get_u16(pc); + pc += 2; + goto has_call_argc; + has_call_argc: + call_argv = sp - call_argc; + sf->cur_pc = pc; + ret_val = JS_CallInternal(ctx, call_argv[-1], JS_UNDEFINED, + JS_UNDEFINED, call_argc, call_argv, 0); + if (unlikely(JS_IsException(ret_val))) + goto exception; + if (opcode == OP_tail_call) + goto done; + for(i = -1; i < call_argc; i++) + JS_FreeValue(ctx, call_argv[i]); + sp -= call_argc + 1; + *sp++ = ret_val; + } + BREAK; + CASE(OP_call_constructor): + { + call_argc = get_u16(pc); + pc += 2; + call_argv = sp - call_argc; + sf->cur_pc = pc; + ret_val = JS_CallConstructorInternal(ctx, call_argv[-2], + call_argv[-1], + call_argc, call_argv, 0); + if (unlikely(JS_IsException(ret_val))) + goto exception; + for(i = -2; i < call_argc; i++) + JS_FreeValue(ctx, call_argv[i]); + sp -= call_argc + 2; + *sp++ = ret_val; + } + BREAK; + CASE(OP_call_method): + CASE(OP_tail_call_method): + { + call_argc = get_u16(pc); + pc += 2; + call_argv = sp - call_argc; + sf->cur_pc = pc; + ret_val = JS_CallInternal(ctx, call_argv[-1], call_argv[-2], + JS_UNDEFINED, call_argc, call_argv, 0); + if (unlikely(JS_IsException(ret_val))) + goto exception; + if (opcode == OP_tail_call_method) + goto done; + for(i = -2; i < call_argc; i++) + JS_FreeValue(ctx, call_argv[i]); + sp -= call_argc + 2; + *sp++ = ret_val; + } + BREAK; + CASE(OP_array_from): + { + int i, ret; + + call_argc = get_u16(pc); + pc += 2; + ret_val = JS_NewArray(ctx); + if (unlikely(JS_IsException(ret_val))) + goto exception; + call_argv = sp - call_argc; + for(i = 0; i < call_argc; i++) { + ret = JS_DefinePropertyValue(ctx, ret_val, __JS_AtomFromUInt32(i), call_argv[i], + JS_PROP_C_W_E | JS_PROP_THROW); + call_argv[i] = JS_UNDEFINED; + if (ret < 0) { + JS_FreeValue(ctx, ret_val); + goto exception; + } + } + sp -= call_argc; + *sp++ = ret_val; + } + BREAK; + + CASE(OP_apply): + { + int magic; + magic = get_u16(pc); + pc += 2; + + ret_val = js_function_apply(ctx, sp[-3], 2, (JSValueConst *)&sp[-2], magic); + if (unlikely(JS_IsException(ret_val))) + goto exception; + JS_FreeValue(ctx, sp[-3]); + JS_FreeValue(ctx, sp[-2]); + JS_FreeValue(ctx, sp[-1]); + sp -= 3; + *sp++ = ret_val; + } + BREAK; + CASE(OP_return): + ret_val = *--sp; + goto done; + CASE(OP_return_undef): + ret_val = JS_UNDEFINED; + goto done; + + CASE(OP_check_ctor_return): + /* return TRUE if 'this' should be returned */ + if (!JS_IsObject(sp[-1])) { + if (!JS_IsUndefined(sp[-1])) { + JS_ThrowTypeError(caller_ctx, "derived class constructor must return an object or undefined"); + goto exception; + } + sp[0] = JS_TRUE; + } else { + sp[0] = JS_FALSE; + } + sp++; + BREAK; + CASE(OP_check_ctor): + if (JS_IsUndefined(new_target)) { + JS_ThrowTypeError(caller_ctx, "class constructors must be invoked with 'new'"); + goto exception; + } + BREAK; + CASE(OP_check_brand): + if (JS_CheckBrand(ctx, sp[-2], sp[-1]) < 0) + goto exception; + BREAK; + CASE(OP_add_brand): + if (JS_AddBrand(ctx, sp[-2], sp[-1]) < 0) + goto exception; + JS_FreeValue(ctx, sp[-2]); + JS_FreeValue(ctx, sp[-1]); + sp -= 2; + BREAK; + + CASE(OP_throw): + JS_Throw(ctx, *--sp); + goto exception; + + CASE(OP_throw_var): +#define JS_THROW_VAR_RO 0 +#define JS_THROW_VAR_REDECL 1 +#define JS_THROW_VAR_UNINITIALIZED 2 +#define JS_THROW_VAR_DELETE_SUPER 3 + { + JSAtom atom; + int type; + atom = get_u32(pc); + type = pc[4]; + pc += 5; + if (type == JS_THROW_VAR_RO) + JS_ThrowTypeErrorReadOnly(ctx, JS_PROP_THROW, atom); + else + if (type == JS_THROW_VAR_REDECL) + JS_ThrowSyntaxErrorVarRedeclaration(ctx, atom); + else + if (type == JS_THROW_VAR_UNINITIALIZED) + JS_ThrowReferenceErrorUninitialized(ctx, atom); + else + if (type == JS_THROW_VAR_DELETE_SUPER) + JS_ThrowReferenceError(ctx, "unsupported reference to 'super'"); + else + JS_ThrowInternalError(ctx, "invalid throw var type %d", type); + } + goto exception; + + CASE(OP_eval): + { + JSValueConst obj; + int scope_idx; + call_argc = get_u16(pc); + scope_idx = get_u16(pc + 2) - 1; + pc += 4; + call_argv = sp - call_argc; + sf->cur_pc = pc; + if (js_same_value(ctx, call_argv[-1], ctx->eval_obj)) { + if (call_argc >= 1) + obj = call_argv[0]; + else + obj = JS_UNDEFINED; + ret_val = JS_EvalObject(ctx, JS_UNDEFINED, obj, + JS_EVAL_TYPE_DIRECT, scope_idx); + } else { + ret_val = JS_CallInternal(ctx, call_argv[-1], JS_UNDEFINED, + JS_UNDEFINED, call_argc, call_argv, 0); + } + if (unlikely(JS_IsException(ret_val))) + goto exception; + for(i = -1; i < call_argc; i++) + JS_FreeValue(ctx, call_argv[i]); + sp -= call_argc + 1; + *sp++ = ret_val; + } + BREAK; + /* could merge with OP_apply */ + CASE(OP_apply_eval): + { + int scope_idx; + uint32_t len; + JSValue *tab; + JSValueConst obj; + + scope_idx = get_u16(pc) - 1; + pc += 2; + tab = build_arg_list(ctx, &len, sp[-1]); + if (!tab) + goto exception; + if (js_same_value(ctx, sp[-2], ctx->eval_obj)) { + if (len >= 1) + obj = tab[0]; + else + obj = JS_UNDEFINED; + ret_val = JS_EvalObject(ctx, JS_UNDEFINED, obj, + JS_EVAL_TYPE_DIRECT, scope_idx); + } else { + ret_val = JS_Call(ctx, sp[-2], JS_UNDEFINED, len, + (JSValueConst *)tab); + } + free_arg_list(ctx, tab, len); + if (unlikely(JS_IsException(ret_val))) + goto exception; + JS_FreeValue(ctx, sp[-2]); + JS_FreeValue(ctx, sp[-1]); + sp -= 2; + *sp++ = ret_val; + } + BREAK; + + CASE(OP_regexp): + { + sp[-2] = js_regexp_constructor_internal(ctx, JS_UNDEFINED, + sp[-2], sp[-1]); + sp--; + } + BREAK; + + CASE(OP_get_super): + { + JSValue proto; + proto = JS_GetPrototype(ctx, sp[-1]); + if (JS_IsException(proto)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = proto; + } + BREAK; + + CASE(OP_import): + { + JSValue val; + val = js_dynamic_import(ctx, sp[-1]); + if (JS_IsException(val)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = val; + } + BREAK; + + CASE(OP_check_var): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + ret = JS_CheckGlobalVar(ctx, atom); + if (ret < 0) + goto exception; + *sp++ = JS_NewBool(ctx, ret); + } + BREAK; + + CASE(OP_get_var_undef): + CASE(OP_get_var): + { + JSValue val; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + val = JS_GetGlobalVar(ctx, atom, opcode - OP_get_var_undef); + if (unlikely(JS_IsException(val))) + goto exception; + *sp++ = val; + } + BREAK; + + CASE(OP_put_var): + CASE(OP_put_var_init): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + ret = JS_SetGlobalVar(ctx, atom, sp[-1], opcode - OP_put_var); + sp--; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_put_var_strict): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + /* sp[-2] is JS_TRUE or JS_FALSE */ + if (unlikely(!JS_VALUE_GET_INT(sp[-2]))) { + JS_ThrowReferenceErrorNotDefined(ctx, atom); + goto exception; + } + ret = JS_SetGlobalVar(ctx, atom, sp[-1], 2); + sp -= 2; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_check_define_var): + { + JSAtom atom; + int flags; + atom = get_u32(pc); + flags = pc[4]; + pc += 5; + if (JS_CheckDefineGlobalVar(ctx, atom, flags)) + goto exception; + } + BREAK; + CASE(OP_define_var): + { + JSAtom atom; + int flags; + atom = get_u32(pc); + flags = pc[4]; + pc += 5; + if (JS_DefineGlobalVar(ctx, atom, flags)) + goto exception; + } + BREAK; + CASE(OP_define_func): + { + JSAtom atom; + int flags; + atom = get_u32(pc); + flags = pc[4]; + pc += 5; + if (JS_DefineGlobalFunction(ctx, atom, sp[-1], flags)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp--; + } + BREAK; + + CASE(OP_get_loc): + { + int idx; + idx = get_u16(pc); + pc += 2; + sp[0] = JS_DupValue(ctx, var_buf[idx]); + sp++; + } + BREAK; + CASE(OP_put_loc): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, &var_buf[idx], sp[-1]); + sp--; + } + BREAK; + CASE(OP_set_loc): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, &var_buf[idx], JS_DupValue(ctx, sp[-1])); + } + BREAK; + CASE(OP_get_arg): + { + int idx; + idx = get_u16(pc); + pc += 2; + sp[0] = JS_DupValue(ctx, arg_buf[idx]); + sp++; + } + BREAK; + CASE(OP_put_arg): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, &arg_buf[idx], sp[-1]); + sp--; + } + BREAK; + CASE(OP_set_arg): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, &arg_buf[idx], JS_DupValue(ctx, sp[-1])); + } + BREAK; + +#if SHORT_OPCODES + CASE(OP_get_loc8): *sp++ = JS_DupValue(ctx, var_buf[*pc++]); BREAK; + CASE(OP_put_loc8): set_value(ctx, &var_buf[*pc++], *--sp); BREAK; + CASE(OP_set_loc8): set_value(ctx, &var_buf[*pc++], JS_DupValue(ctx, sp[-1])); BREAK; + + CASE(OP_get_loc0): *sp++ = JS_DupValue(ctx, var_buf[0]); BREAK; + CASE(OP_get_loc1): *sp++ = JS_DupValue(ctx, var_buf[1]); BREAK; + CASE(OP_get_loc2): *sp++ = JS_DupValue(ctx, var_buf[2]); BREAK; + CASE(OP_get_loc3): *sp++ = JS_DupValue(ctx, var_buf[3]); BREAK; + CASE(OP_put_loc0): set_value(ctx, &var_buf[0], *--sp); BREAK; + CASE(OP_put_loc1): set_value(ctx, &var_buf[1], *--sp); BREAK; + CASE(OP_put_loc2): set_value(ctx, &var_buf[2], *--sp); BREAK; + CASE(OP_put_loc3): set_value(ctx, &var_buf[3], *--sp); BREAK; + CASE(OP_set_loc0): set_value(ctx, &var_buf[0], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_loc1): set_value(ctx, &var_buf[1], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_loc2): set_value(ctx, &var_buf[2], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_loc3): set_value(ctx, &var_buf[3], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_get_arg0): *sp++ = JS_DupValue(ctx, arg_buf[0]); BREAK; + CASE(OP_get_arg1): *sp++ = JS_DupValue(ctx, arg_buf[1]); BREAK; + CASE(OP_get_arg2): *sp++ = JS_DupValue(ctx, arg_buf[2]); BREAK; + CASE(OP_get_arg3): *sp++ = JS_DupValue(ctx, arg_buf[3]); BREAK; + CASE(OP_put_arg0): set_value(ctx, &arg_buf[0], *--sp); BREAK; + CASE(OP_put_arg1): set_value(ctx, &arg_buf[1], *--sp); BREAK; + CASE(OP_put_arg2): set_value(ctx, &arg_buf[2], *--sp); BREAK; + CASE(OP_put_arg3): set_value(ctx, &arg_buf[3], *--sp); BREAK; + CASE(OP_set_arg0): set_value(ctx, &arg_buf[0], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_arg1): set_value(ctx, &arg_buf[1], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_arg2): set_value(ctx, &arg_buf[2], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_arg3): set_value(ctx, &arg_buf[3], JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_get_var_ref0): *sp++ = JS_DupValue(ctx, *var_refs[0]->pvalue); BREAK; + CASE(OP_get_var_ref1): *sp++ = JS_DupValue(ctx, *var_refs[1]->pvalue); BREAK; + CASE(OP_get_var_ref2): *sp++ = JS_DupValue(ctx, *var_refs[2]->pvalue); BREAK; + CASE(OP_get_var_ref3): *sp++ = JS_DupValue(ctx, *var_refs[3]->pvalue); BREAK; + CASE(OP_put_var_ref0): set_value(ctx, var_refs[0]->pvalue, *--sp); BREAK; + CASE(OP_put_var_ref1): set_value(ctx, var_refs[1]->pvalue, *--sp); BREAK; + CASE(OP_put_var_ref2): set_value(ctx, var_refs[2]->pvalue, *--sp); BREAK; + CASE(OP_put_var_ref3): set_value(ctx, var_refs[3]->pvalue, *--sp); BREAK; + CASE(OP_set_var_ref0): set_value(ctx, var_refs[0]->pvalue, JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_var_ref1): set_value(ctx, var_refs[1]->pvalue, JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_var_ref2): set_value(ctx, var_refs[2]->pvalue, JS_DupValue(ctx, sp[-1])); BREAK; + CASE(OP_set_var_ref3): set_value(ctx, var_refs[3]->pvalue, JS_DupValue(ctx, sp[-1])); BREAK; +#endif + + CASE(OP_get_var_ref): + { + int idx; + JSValue val; + idx = get_u16(pc); + pc += 2; + val = *var_refs[idx]->pvalue; + sp[0] = JS_DupValue(ctx, val); + sp++; + } + BREAK; + CASE(OP_put_var_ref): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, var_refs[idx]->pvalue, sp[-1]); + sp--; + } + BREAK; + CASE(OP_set_var_ref): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, var_refs[idx]->pvalue, JS_DupValue(ctx, sp[-1])); + } + BREAK; + CASE(OP_get_var_ref_check): + { + int idx; + JSValue val; + idx = get_u16(pc); + pc += 2; + val = *var_refs[idx]->pvalue; + if (unlikely(JS_IsUninitialized(val))) { + JS_ThrowReferenceErrorUninitialized(ctx, JS_ATOM_NULL); + goto exception; + } + sp[0] = JS_DupValue(ctx, val); + sp++; + } + BREAK; + CASE(OP_put_var_ref_check): + { + int idx; + idx = get_u16(pc); + pc += 2; + if (unlikely(JS_IsUninitialized(*var_refs[idx]->pvalue))) { + JS_ThrowReferenceErrorUninitialized(ctx, JS_ATOM_NULL); + goto exception; + } + set_value(ctx, var_refs[idx]->pvalue, sp[-1]); + sp--; + } + BREAK; + CASE(OP_put_var_ref_check_init): + { + int idx; + idx = get_u16(pc); + pc += 2; + if (unlikely(!JS_IsUninitialized(*var_refs[idx]->pvalue))) { + JS_ThrowReferenceErrorUninitialized(ctx, JS_ATOM_NULL); + goto exception; + } + set_value(ctx, var_refs[idx]->pvalue, sp[-1]); + sp--; + } + BREAK; + CASE(OP_set_loc_uninitialized): + { + int idx; + idx = get_u16(pc); + pc += 2; + set_value(ctx, &var_buf[idx], JS_UNINITIALIZED); + } + BREAK; + CASE(OP_get_loc_check): + { + int idx; + idx = get_u16(pc); + pc += 2; + if (unlikely(JS_IsUninitialized(var_buf[idx]))) { + JS_ThrowReferenceErrorUninitialized(ctx, JS_ATOM_NULL); + goto exception; + } + sp[0] = JS_DupValue(ctx, var_buf[idx]); + sp++; + } + BREAK; + CASE(OP_put_loc_check): + { + int idx; + idx = get_u16(pc); + pc += 2; + if (unlikely(JS_IsUninitialized(var_buf[idx]))) { + JS_ThrowReferenceErrorUninitialized(ctx, JS_ATOM_NULL); + goto exception; + } + set_value(ctx, &var_buf[idx], sp[-1]); + sp--; + } + BREAK; + CASE(OP_put_loc_check_init): + { + int idx; + idx = get_u16(pc); + pc += 2; + if (unlikely(!JS_IsUninitialized(var_buf[idx]))) { + JS_ThrowReferenceError(ctx, "'this' can be initialized only once"); + goto exception; + } + set_value(ctx, &var_buf[idx], sp[-1]); + sp--; + } + BREAK; + CASE(OP_close_loc): + { + int idx; + idx = get_u16(pc); + pc += 2; + close_lexical_var(ctx, sf, idx, FALSE); + } + BREAK; + + CASE(OP_make_loc_ref): + CASE(OP_make_arg_ref): + CASE(OP_make_var_ref_ref): + { + JSVarRef *var_ref; + JSProperty *pr; + JSAtom atom; + int idx; + atom = get_u32(pc); + idx = get_u16(pc + 4); + pc += 6; + *sp++ = JS_NewObjectProto(ctx, JS_NULL); + if (unlikely(JS_IsException(sp[-1]))) + goto exception; + if (opcode == OP_make_var_ref_ref) { + var_ref = var_refs[idx]; + var_ref->header.ref_count++; + } else { + var_ref = get_var_ref(ctx, sf, idx, opcode == OP_make_arg_ref); + if (!var_ref) + goto exception; + } + pr = add_property(ctx, JS_VALUE_GET_OBJ(sp[-1]), atom, + JS_PROP_WRITABLE | JS_PROP_VARREF); + if (!pr) { + free_var_ref(rt, var_ref); + goto exception; + } + pr->u.var_ref = var_ref; + *sp++ = JS_AtomToValue(ctx, atom); + } + BREAK; + CASE(OP_make_var_ref): + { + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + if (JS_GetGlobalVarRef(ctx, atom, sp)) + goto exception; + sp += 2; + } + BREAK; + + CASE(OP_goto): + pc += (int32_t)get_u32(pc); + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + BREAK; +#if SHORT_OPCODES + CASE(OP_goto16): + pc += (int16_t)get_u16(pc); + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + BREAK; + CASE(OP_goto8): + pc += (int8_t)pc[0]; + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + BREAK; +#endif + CASE(OP_if_true): + { + int res; + JSValue op1; + + op1 = sp[-1]; + pc += 4; + if ((uint32_t)JS_VALUE_GET_TAG(op1) <= JS_TAG_UNDEFINED) { + res = JS_VALUE_GET_INT(op1); + } else { + res = JS_ToBoolFree(ctx, op1); + } + sp--; + if (res) { + pc += (int32_t)get_u32(pc - 4) - 4; + } + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + } + BREAK; + CASE(OP_if_false): + { + int res; + JSValue op1; + + op1 = sp[-1]; + pc += 4; + if ((uint32_t)JS_VALUE_GET_TAG(op1) <= JS_TAG_UNDEFINED) { + res = JS_VALUE_GET_INT(op1); + } else { + res = JS_ToBoolFree(ctx, op1); + } + sp--; + if (!res) { + pc += (int32_t)get_u32(pc - 4) - 4; + } + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + } + BREAK; +#if SHORT_OPCODES + CASE(OP_if_true8): + { + int res; + JSValue op1; + + op1 = sp[-1]; + pc += 1; + if ((uint32_t)JS_VALUE_GET_TAG(op1) <= JS_TAG_UNDEFINED) { + res = JS_VALUE_GET_INT(op1); + } else { + res = JS_ToBoolFree(ctx, op1); + } + sp--; + if (res) { + pc += (int8_t)pc[-1] - 1; + } + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + } + BREAK; + CASE(OP_if_false8): + { + int res; + JSValue op1; + + op1 = sp[-1]; + pc += 1; + if ((uint32_t)JS_VALUE_GET_TAG(op1) <= JS_TAG_UNDEFINED) { + res = JS_VALUE_GET_INT(op1); + } else { + res = JS_ToBoolFree(ctx, op1); + } + sp--; + if (!res) { + pc += (int8_t)pc[-1] - 1; + } + if (unlikely(js_poll_interrupts(ctx))) + goto exception; + } + BREAK; +#endif + CASE(OP_catch): + { + int32_t diff; + diff = get_u32(pc); + sp[0] = JS_NewCatchOffset(ctx, pc + diff - b->byte_code_buf); + sp++; + pc += 4; + } + BREAK; + CASE(OP_gosub): + { + int32_t diff; + diff = get_u32(pc); + /* XXX: should have a different tag to avoid security flaw */ + sp[0] = JS_NewInt32(ctx, pc + 4 - b->byte_code_buf); + sp++; + pc += diff; + } + BREAK; + CASE(OP_ret): + { + JSValue op1; + uint32_t pos; + op1 = sp[-1]; + if (unlikely(JS_VALUE_GET_TAG(op1) != JS_TAG_INT)) + goto ret_fail; + pos = JS_VALUE_GET_INT(op1); + if (unlikely(pos >= b->byte_code_len)) { + ret_fail: + JS_ThrowInternalError(ctx, "invalid ret value"); + goto exception; + } + sp--; + pc = b->byte_code_buf + pos; + } + BREAK; + + CASE(OP_for_in_start): + if (js_for_in_start(ctx, sp)) + goto exception; + BREAK; + CASE(OP_for_in_next): + if (js_for_in_next(ctx, sp)) + goto exception; + sp += 2; + BREAK; + CASE(OP_for_of_start): + if (js_for_of_start(ctx, sp, FALSE)) + goto exception; + sp += 1; + *sp++ = JS_NewCatchOffset(ctx, 0); + BREAK; + CASE(OP_for_of_next): + { + int offset = -3 - pc[0]; + pc += 1; + if (js_for_of_next(ctx, sp, offset)) + goto exception; + sp += 2; + } + BREAK; + CASE(OP_for_await_of_start): + if (js_for_of_start(ctx, sp, TRUE)) + goto exception; + sp += 1; + *sp++ = JS_NewCatchOffset(ctx, 0); + BREAK; + CASE(OP_for_await_of_next): + if (js_for_await_of_next(ctx, sp)) + goto exception; + sp += 1; + BREAK; + CASE(OP_iterator_get_value_done): + if (js_iterator_get_value_done(ctx, sp)) + goto exception; + sp += 1; + BREAK; + + CASE(OP_iterator_close): + /* iter_obj next catch_offset -> */ + sp--; /* drop the catch offset to avoid getting caught by exception */ + JS_FreeValue(ctx, sp[-1]); /* drop the next method */ + sp--; + if (!JS_IsUndefined(sp[-1])) { + if (JS_IteratorClose(ctx, sp[-1], FALSE)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + } + sp--; + BREAK; + CASE(OP_iterator_close_return): + { + JSValue ret_val; + /* iter_obj next catch_offset ... ret_val -> + ret_eval iter_obj next catch_offset */ + ret_val = *--sp; + while (sp > stack_buf && + JS_VALUE_GET_TAG(sp[-1]) != JS_TAG_CATCH_OFFSET) { + JS_FreeValue(ctx, *--sp); + } + if (unlikely(sp < stack_buf + 3)) { + JS_ThrowInternalError(ctx, "iterator_close_return"); + JS_FreeValue(ctx, ret_val); + goto exception; + } + sp[0] = sp[-1]; + sp[-1] = sp[-2]; + sp[-2] = sp[-3]; + sp[-3] = ret_val; + sp++; + } + BREAK; + + CASE(OP_async_iterator_close): + /* iter_obj next catch_offset -> value flag */ + { + JSValue ret, method; + int ret_flag; + sp--; /* remove the catch offset */ + method = JS_GetProperty(ctx, sp[-2], JS_ATOM_return); + if (JS_IsException(method)) + goto exception; + if (JS_IsUndefined(method) || JS_IsNull(method)) { + ret = JS_UNDEFINED; + ret_flag = TRUE; + } else { + ret = JS_CallFree(ctx, method, sp[-2], 0, NULL); + if (JS_IsException(ret)) + goto exception; + if (!JS_IsObject(ret)) { + JS_FreeValue(ctx, ret); + JS_ThrowTypeErrorNotAnObject(ctx); + goto exception; + } + ret_flag = FALSE; + } + JS_FreeValue(ctx, sp[-2]); + JS_FreeValue(ctx, sp[-1]); + sp[-2] = ret; + sp[-1] = JS_NewBool(ctx, ret_flag); + } + BREAK; + + CASE(OP_async_iterator_next): + /* stack: iter_obj next catch_offset val */ + { + JSValue ret; + ret = JS_Call(ctx, sp[-3], sp[-4], + 1, (JSValueConst *)(sp - 1)); + if (JS_IsException(ret)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret; + } + BREAK; + + CASE(OP_async_iterator_get): + /* stack: iter_obj next catch_offset val */ + { + JSValue method, ret; + BOOL ret_flag; + int flags; + flags = *pc++; + /* XXX: use another opcode such as OP_throw_var */ + if (flags == 2) { + JS_ThrowTypeError(ctx, "iterator does not have a throw method"); + goto exception; + } + method = JS_GetProperty(ctx, sp[-4], flags ? JS_ATOM_throw : JS_ATOM_return); + if (JS_IsException(method)) + goto exception; + if (JS_IsUndefined(method) || JS_IsNull(method)) { + ret_flag = TRUE; + } else { + ret = JS_CallFree(ctx, method, sp[-4], + 1, (JSValueConst *)(sp - 1)); + if (JS_IsException(ret)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret; + ret_flag = FALSE; + } + sp[0] = JS_NewBool(ctx, ret_flag); + sp += 1; + } + BREAK; + + CASE(OP_lnot): + { + int res; + JSValue op1; + + op1 = sp[-1]; + if ((uint32_t)JS_VALUE_GET_TAG(op1) <= JS_TAG_UNDEFINED) { + res = JS_VALUE_GET_INT(op1) != 0; + } else { + res = JS_ToBoolFree(ctx, op1); + } + sp[-1] = JS_NewBool(ctx, !res); + } + BREAK; + + CASE(OP_get_field): + { + JSValue val; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + val = JS_GetProperty(ctx, sp[-1], atom); + if (unlikely(JS_IsException(val))) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = val; + } + BREAK; + + CASE(OP_get_field2): + { + JSValue val; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + val = JS_GetProperty(ctx, sp[-1], atom); + if (unlikely(JS_IsException(val))) + goto exception; + *sp++ = val; + } + BREAK; + + CASE(OP_put_field): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + ret = JS_SetPropertyInternal(ctx, sp[-2], atom, sp[-1], + JS_PROP_THROW_STRICT); + JS_FreeValue(ctx, sp[-2]); + sp -= 2; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_private_symbol): + { + JSAtom atom; + JSValue val; + + atom = get_u32(pc); + pc += 4; + val = JS_NewSymbolFromAtom(ctx, atom, JS_ATOM_TYPE_PRIVATE); + if (JS_IsException(val)) + goto exception; + *sp++ = val; + } + BREAK; + + CASE(OP_get_private_field): + { + JSValue val; + + val = JS_GetPrivateField(ctx, sp[-2], sp[-1]); + JS_FreeValue(ctx, sp[-1]); + JS_FreeValue(ctx, sp[-2]); + sp[-2] = val; + sp--; + if (unlikely(JS_IsException(val))) + goto exception; + } + BREAK; + + CASE(OP_put_private_field): + { + int ret; + ret = JS_SetPrivateField(ctx, sp[-3], sp[-1], sp[-2]); + JS_FreeValue(ctx, sp[-3]); + JS_FreeValue(ctx, sp[-1]); + sp -= 3; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_define_private_field): + { + int ret; + ret = JS_DefinePrivateField(ctx, sp[-3], sp[-2], sp[-1]); + JS_FreeValue(ctx, sp[-2]); + sp -= 2; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_define_field): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + ret = JS_DefinePropertyValue(ctx, sp[-2], atom, sp[-1], + JS_PROP_C_W_E | JS_PROP_THROW); + sp--; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_set_name): + { + int ret; + JSAtom atom; + atom = get_u32(pc); + pc += 4; + + ret = JS_DefineObjectName(ctx, sp[-1], atom, JS_PROP_CONFIGURABLE); + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + CASE(OP_set_name_computed): + { + int ret; + ret = JS_DefineObjectNameComputed(ctx, sp[-1], sp[-2], JS_PROP_CONFIGURABLE); + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + CASE(OP_set_proto): + { + JSValue proto; + proto = sp[-1]; + if (JS_IsObject(proto) || JS_IsNull(proto)) { + if (JS_SetPrototypeInternal(ctx, sp[-2], proto, TRUE) < 0) + goto exception; + } + JS_FreeValue(ctx, proto); + sp--; + } + BREAK; + CASE(OP_set_home_object): + js_method_set_home_object(ctx, sp[-1], sp[-2]); + BREAK; + CASE(OP_define_method): + CASE(OP_define_method_computed): + { + JSValue getter, setter, value; + JSValueConst obj; + JSAtom atom; + int flags, ret, op_flags; + BOOL is_computed; +#define OP_DEFINE_METHOD_METHOD 0 +#define OP_DEFINE_METHOD_GETTER 1 +#define OP_DEFINE_METHOD_SETTER 2 +#define OP_DEFINE_METHOD_ENUMERABLE 4 + + is_computed = (opcode == OP_define_method_computed); + if (is_computed) { + atom = JS_ValueToAtom(ctx, sp[-2]); + if (unlikely(atom == JS_ATOM_NULL)) + goto exception; + opcode += OP_define_method - OP_define_method_computed; + } else { + atom = get_u32(pc); + pc += 4; + } + op_flags = *pc++; + + obj = sp[-2 - is_computed]; + flags = JS_PROP_HAS_CONFIGURABLE | JS_PROP_CONFIGURABLE | + JS_PROP_HAS_ENUMERABLE | JS_PROP_THROW; + if (op_flags & OP_DEFINE_METHOD_ENUMERABLE) + flags |= JS_PROP_ENUMERABLE; + op_flags &= 3; + value = JS_UNDEFINED; + getter = JS_UNDEFINED; + setter = JS_UNDEFINED; + if (op_flags == OP_DEFINE_METHOD_METHOD) { + value = sp[-1]; + flags |= JS_PROP_HAS_VALUE | JS_PROP_HAS_WRITABLE | JS_PROP_WRITABLE; + } else if (op_flags == OP_DEFINE_METHOD_GETTER) { + getter = sp[-1]; + flags |= JS_PROP_HAS_GET; + } else { + setter = sp[-1]; + flags |= JS_PROP_HAS_SET; + } + ret = js_method_set_properties(ctx, sp[-1], atom, flags, obj); + if (ret >= 0) { + ret = JS_DefineProperty(ctx, obj, atom, value, + getter, setter, flags); + } + JS_FreeValue(ctx, sp[-1]); + if (is_computed) { + JS_FreeAtom(ctx, atom); + JS_FreeValue(ctx, sp[-2]); + } + sp -= 1 + is_computed; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_define_class): + CASE(OP_define_class_computed): + { + int class_flags; + JSAtom atom; + + atom = get_u32(pc); + class_flags = pc[4]; + pc += 5; + if (js_op_define_class(ctx, sp, atom, class_flags, + var_refs, sf, + (opcode == OP_define_class_computed)) < 0) + goto exception; + } + BREAK; + + CASE(OP_get_array_el): + { + JSValue val; + + val = JS_GetPropertyValue(ctx, sp[-2], sp[-1]); + JS_FreeValue(ctx, sp[-2]); + sp[-2] = val; + sp--; + if (unlikely(JS_IsException(val))) + goto exception; + } + BREAK; + + CASE(OP_get_array_el2): + { + JSValue val; + + val = JS_GetPropertyValue(ctx, sp[-2], sp[-1]); + sp[-1] = val; + if (unlikely(JS_IsException(val))) + goto exception; + } + BREAK; + + CASE(OP_get_ref_value): + { + JSValue val; + if (unlikely(JS_IsUndefined(sp[-2]))) { + JSAtom atom = JS_ValueToAtom(ctx, sp[-1]); + if (atom != JS_ATOM_NULL) { + JS_ThrowReferenceErrorNotDefined(ctx, atom); + JS_FreeAtom(ctx, atom); + } + goto exception; + } + val = JS_GetPropertyValue(ctx, sp[-2], + JS_DupValue(ctx, sp[-1])); + if (unlikely(JS_IsException(val))) + goto exception; + sp[0] = val; + sp++; + } + BREAK; + + CASE(OP_get_super_value): + { + JSValue val; + JSAtom atom; + atom = JS_ValueToAtom(ctx, sp[-1]); + if (unlikely(atom == JS_ATOM_NULL)) + goto exception; + val = JS_GetPropertyInternal(ctx, sp[-2], atom, sp[-3], FALSE); + JS_FreeAtom(ctx, atom); + if (unlikely(JS_IsException(val))) + goto exception; + JS_FreeValue(ctx, sp[-1]); + JS_FreeValue(ctx, sp[-2]); + JS_FreeValue(ctx, sp[-3]); + sp[-3] = val; + sp -= 2; + } + BREAK; + + CASE(OP_put_array_el): + { + int ret; + + ret = JS_SetPropertyValue(ctx, sp[-3], sp[-2], sp[-1], JS_PROP_THROW_STRICT); + JS_FreeValue(ctx, sp[-3]); + sp -= 3; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_put_ref_value): + { + int ret; + if (unlikely(JS_IsUndefined(sp[-3]))) { + if (is_strict_mode(ctx)) { + JSAtom atom = JS_ValueToAtom(ctx, sp[-2]); + if (atom != JS_ATOM_NULL) { + JS_ThrowReferenceErrorNotDefined(ctx, atom); + JS_FreeAtom(ctx, atom); + } + goto exception; + } else { + sp[-3] = JS_DupValue(ctx, ctx->global_obj); + } + } + ret = JS_SetPropertyValue(ctx, sp[-3], sp[-2], sp[-1], JS_PROP_THROW_STRICT); + JS_FreeValue(ctx, sp[-3]); + sp -= 3; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_put_super_value): + { + int ret; + JSAtom atom; + if (JS_VALUE_GET_TAG(sp[-3]) != JS_TAG_OBJECT) { + JS_ThrowTypeErrorNotAnObject(ctx); + goto exception; + } + atom = JS_ValueToAtom(ctx, sp[-2]); + if (unlikely(atom == JS_ATOM_NULL)) + goto exception; + ret = JS_SetPropertyGeneric(ctx, JS_VALUE_GET_OBJ(sp[-3]), + atom, sp[-1], sp[-4], + JS_PROP_THROW_STRICT); + JS_FreeAtom(ctx, atom); + JS_FreeValue(ctx, sp[-4]); + JS_FreeValue(ctx, sp[-3]); + JS_FreeValue(ctx, sp[-2]); + sp -= 4; + if (ret < 0) + goto exception; + } + BREAK; + + CASE(OP_define_array_el): + { + int ret; + ret = JS_DefinePropertyValueValue(ctx, sp[-3], JS_DupValue(ctx, sp[-2]), sp[-1], + JS_PROP_C_W_E | JS_PROP_THROW); + sp -= 1; + if (unlikely(ret < 0)) + goto exception; + } + BREAK; + + CASE(OP_append): /* array pos enumobj -- array pos */ + { + if (js_append_enumerate(ctx, sp)) + goto exception; + JS_FreeValue(ctx, *--sp); + } + BREAK; + + CASE(OP_copy_data_properties): /* target source excludeList */ + { + /* stack offsets (-1 based): + 2 bits for target, + 3 bits for source, + 2 bits for exclusionList */ + int mask; + + mask = *pc++; + if (JS_CopyDataProperties(ctx, sp[-1 - (mask & 3)], + sp[-1 - ((mask >> 2) & 7)], + sp[-1 - ((mask >> 5) & 7)], 0)) + goto exception; + } + BREAK; + + CASE(OP_add): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + int64_t r; + r = (int64_t)JS_VALUE_GET_INT(op1) + JS_VALUE_GET_INT(op2); + if (unlikely((int)r != r)) + goto add_slow; + sp[-2] = JS_NewInt32(ctx, r); + sp--; + } else if (JS_VALUE_IS_BOTH_FLOAT(op1, op2)) { + sp[-2] = __JS_NewFloat64(ctx, JS_VALUE_GET_FLOAT64(op1) + + JS_VALUE_GET_FLOAT64(op2)); + sp--; + } else { + add_slow: + if (js_add_slow(ctx, sp)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_add_loc): + { + JSValue ops[2]; + int idx; + idx = *pc; + pc += 1; + + ops[0] = var_buf[idx]; + ops[1] = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(ops[0], ops[1]))) { + int64_t r; + r = (int64_t)JS_VALUE_GET_INT(ops[0]) + JS_VALUE_GET_INT(ops[1]); + if (unlikely((int)r != r)) + goto add_loc_slow; + var_buf[idx] = JS_NewInt32(ctx, r); + sp--; + } else if (JS_VALUE_GET_TAG(ops[0]) == JS_TAG_STRING) { + sp--; + ops[1] = JS_ToPrimitiveFree(ctx, ops[1], HINT_NONE); + if (JS_IsException(ops[1])) { + goto exception; + } + /* XXX: should not modify the variable in case of + exception */ + ops[0] = JS_ConcatString(ctx, ops[0], ops[1]); + if (JS_IsException(ops[0])) { + var_buf[idx] = JS_UNDEFINED; + goto exception; + } + var_buf[idx] = ops[0]; + } else { + add_loc_slow: + /* XXX: should not modify the variable in case of + exception */ + sp--; + /* In case of exception, js_add_slow frees ops[0] + and ops[1]. */ + /* XXX: change API */ + if (js_add_slow(ctx, ops + 2)) { + var_buf[idx] = JS_UNDEFINED; + goto exception; + } + var_buf[idx] = ops[0]; + } + } + BREAK; + CASE(OP_sub): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + int64_t r; + r = (int64_t)JS_VALUE_GET_INT(op1) - JS_VALUE_GET_INT(op2); + if (unlikely((int)r != r)) + goto binary_arith_slow; + sp[-2] = JS_NewInt32(ctx, r); + sp--; + } else if (JS_VALUE_IS_BOTH_FLOAT(op1, op2)) { + sp[-2] = __JS_NewFloat64(ctx, JS_VALUE_GET_FLOAT64(op1) - + JS_VALUE_GET_FLOAT64(op2)); + sp--; + } else { + goto binary_arith_slow; + } + } + BREAK; + CASE(OP_mul): + { + JSValue op1, op2; + double d; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + int32_t v1, v2; + int64_t r; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); + r = (int64_t)v1 * v2; + if (unlikely((int)r != r)) { +#ifdef CONFIG_BIGNUM + if (unlikely(sf->js_mode & JS_MODE_MATH) && + (r < -MAX_SAFE_INTEGER || r > MAX_SAFE_INTEGER)) + goto binary_arith_slow; +#endif + d = (double)r; + goto mul_fp_res; + } + /* need to test zero case for -0 result */ + if (unlikely(r == 0 && (v1 | v2) < 0)) { + d = -0.0; + goto mul_fp_res; + } + sp[-2] = JS_NewInt32(ctx, r); + sp--; + } else if (JS_VALUE_IS_BOTH_FLOAT(op1, op2)) { +#ifdef CONFIG_BIGNUM + if (unlikely(sf->js_mode & JS_MODE_MATH)) + goto binary_arith_slow; +#endif + d = JS_VALUE_GET_FLOAT64(op1) * JS_VALUE_GET_FLOAT64(op2); + mul_fp_res: + sp[-2] = __JS_NewFloat64(ctx, d); + sp--; + } else { + goto binary_arith_slow; + } + } + BREAK; + CASE(OP_div): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + int v1, v2; + if (unlikely(sf->js_mode & JS_MODE_MATH)) + goto binary_arith_slow; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); + sp[-2] = JS_NewFloat64(ctx, (double)v1 / (double)v2); + sp--; + } else { + goto binary_arith_slow; + } + } + BREAK; + CASE(OP_mod): +#ifdef CONFIG_BIGNUM + CASE(OP_math_mod): +#endif + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + int v1, v2, r; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); + /* We must avoid v2 = 0, v1 = INT32_MIN and v2 = + -1 and the cases where the result is -0. */ + if (unlikely(v1 < 0 || v2 <= 0)) + goto binary_arith_slow; + r = v1 % v2; + sp[-2] = JS_NewInt32(ctx, r); + sp--; + } else { + goto binary_arith_slow; + } + } + BREAK; + CASE(OP_pow): + binary_arith_slow: + if (js_binary_arith_slow(ctx, sp, opcode)) + goto exception; + sp--; + BREAK; + + CASE(OP_plus): + { + JSValue op1; + uint32_t tag; + op1 = sp[-1]; + tag = JS_VALUE_GET_TAG(op1); + if (tag == JS_TAG_INT || JS_TAG_IS_FLOAT64(tag)) { + } else { + if (js_unary_arith_slow(ctx, sp, opcode)) + goto exception; + } + } + BREAK; + CASE(OP_neg): + { + JSValue op1; + uint32_t tag; + int val; + double d; + op1 = sp[-1]; + tag = JS_VALUE_GET_TAG(op1); + if (tag == JS_TAG_INT) { + val = JS_VALUE_GET_INT(op1); + /* Note: -0 cannot be expressed as integer */ + if (unlikely(val == 0)) { + d = -0.0; + goto neg_fp_res; + } + if (unlikely(val == INT32_MIN)) { + d = -(double)val; + goto neg_fp_res; + } + sp[-1] = JS_NewInt32(ctx, -val); + } else if (JS_TAG_IS_FLOAT64(tag)) { + d = -JS_VALUE_GET_FLOAT64(op1); + neg_fp_res: + sp[-1] = __JS_NewFloat64(ctx, d); + } else { + if (js_unary_arith_slow(ctx, sp, opcode)) + goto exception; + } + } + BREAK; + CASE(OP_inc): + { + JSValue op1; + int val; + op1 = sp[-1]; + if (JS_VALUE_GET_TAG(op1) == JS_TAG_INT) { + val = JS_VALUE_GET_INT(op1); + if (unlikely(val == INT32_MAX)) + goto inc_slow; + sp[-1] = JS_NewInt32(ctx, val + 1); + } else { + inc_slow: + if (js_unary_arith_slow(ctx, sp, opcode)) + goto exception; + } + } + BREAK; + CASE(OP_dec): + { + JSValue op1; + int val; + op1 = sp[-1]; + if (JS_VALUE_GET_TAG(op1) == JS_TAG_INT) { + val = JS_VALUE_GET_INT(op1); + if (unlikely(val == INT32_MIN)) + goto dec_slow; + sp[-1] = JS_NewInt32(ctx, val - 1); + } else { + dec_slow: + if (js_unary_arith_slow(ctx, sp, opcode)) + goto exception; + } + } + BREAK; + CASE(OP_post_inc): + CASE(OP_post_dec): + if (js_post_inc_slow(ctx, sp, opcode)) + goto exception; + sp++; + BREAK; + CASE(OP_inc_loc): + { + JSValue op1; + int val; + int idx; + idx = *pc; + pc += 1; + + op1 = var_buf[idx]; + if (JS_VALUE_GET_TAG(op1) == JS_TAG_INT) { + val = JS_VALUE_GET_INT(op1); + if (unlikely(val == INT32_MAX)) + goto inc_loc_slow; + var_buf[idx] = JS_NewInt32(ctx, val + 1); + } else { + inc_loc_slow: + if (js_unary_arith_slow(ctx, var_buf + idx + 1, OP_inc)) + goto exception; + } + } + BREAK; + CASE(OP_dec_loc): + { + JSValue op1; + int val; + int idx; + idx = *pc; + pc += 1; + + op1 = var_buf[idx]; + if (JS_VALUE_GET_TAG(op1) == JS_TAG_INT) { + val = JS_VALUE_GET_INT(op1); + if (unlikely(val == INT32_MIN)) + goto dec_loc_slow; + var_buf[idx] = JS_NewInt32(ctx, val - 1); + } else { + dec_loc_slow: + if (js_unary_arith_slow(ctx, var_buf + idx + 1, OP_dec)) + goto exception; + } + } + BREAK; + CASE(OP_not): + { + JSValue op1; + op1 = sp[-1]; + if (JS_VALUE_GET_TAG(op1) == JS_TAG_INT) { + sp[-1] = JS_NewInt32(ctx, ~JS_VALUE_GET_INT(op1)); + } else { + if (js_not_slow(ctx, sp)) + goto exception; + } + } + BREAK; + + CASE(OP_shl): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + uint32_t v1, v2; + v1 = JS_VALUE_GET_INT(op1); + v2 = JS_VALUE_GET_INT(op2); +#ifdef CONFIG_BIGNUM + { + int64_t r; + if (unlikely(sf->js_mode & JS_MODE_MATH)) { + if (v2 > 0x1f) + goto shl_slow; + r = (int64_t)v1 << v2; + if ((int)r != r) + goto shl_slow; + } else { + v2 &= 0x1f; + } + } +#else + v2 &= 0x1f; +#endif + sp[-2] = JS_NewInt32(ctx, v1 << v2); + sp--; + } else { +#ifdef CONFIG_BIGNUM + shl_slow: +#endif + if (js_binary_logic_slow(ctx, sp, opcode)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_shr): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + uint32_t v2; + v2 = JS_VALUE_GET_INT(op2); + /* v1 >>> v2 retains its JS semantics if CONFIG_BIGNUM */ + v2 &= 0x1f; + sp[-2] = JS_NewUint32(ctx, + (uint32_t)JS_VALUE_GET_INT(op1) >> + v2); + sp--; + } else { + if (js_shr_slow(ctx, sp)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_sar): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + uint32_t v2; + v2 = JS_VALUE_GET_INT(op2); +#ifdef CONFIG_BIGNUM + if (unlikely(v2 > 0x1f)) { + if (unlikely(sf->js_mode & JS_MODE_MATH)) + goto sar_slow; + else + v2 &= 0x1f; + } +#else + v2 &= 0x1f; +#endif + sp[-2] = JS_NewInt32(ctx, + (int)JS_VALUE_GET_INT(op1) >> v2); + sp--; + } else { +#ifdef CONFIG_BIGNUM + sar_slow: +#endif + if (js_binary_logic_slow(ctx, sp, opcode)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_and): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + sp[-2] = JS_NewInt32(ctx, + JS_VALUE_GET_INT(op1) & + JS_VALUE_GET_INT(op2)); + sp--; + } else { + if (js_binary_logic_slow(ctx, sp, opcode)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_or): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + sp[-2] = JS_NewInt32(ctx, + JS_VALUE_GET_INT(op1) | + JS_VALUE_GET_INT(op2)); + sp--; + } else { + if (js_binary_logic_slow(ctx, sp, opcode)) + goto exception; + sp--; + } + } + BREAK; + CASE(OP_xor): + { + JSValue op1, op2; + op1 = sp[-2]; + op2 = sp[-1]; + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { + sp[-2] = JS_NewInt32(ctx, + JS_VALUE_GET_INT(op1) ^ + JS_VALUE_GET_INT(op2)); + sp--; + } else { + if (js_binary_logic_slow(ctx, sp, opcode)) + goto exception; + sp--; + } + } + BREAK; + + +#define OP_CMP(opcode, binary_op, slow_call) \ + CASE(opcode): \ + { \ + JSValue op1, op2; \ + op1 = sp[-2]; \ + op2 = sp[-1]; \ + if (likely(JS_VALUE_IS_BOTH_INT(op1, op2))) { \ + sp[-2] = JS_NewBool(ctx, JS_VALUE_GET_INT(op1) binary_op JS_VALUE_GET_INT(op2)); \ + sp--; \ + } else { \ + if (slow_call) \ + goto exception; \ + sp--; \ + } \ + } \ + BREAK + + OP_CMP(OP_lt, <, js_relational_slow(ctx, sp, opcode)); + OP_CMP(OP_lte, <=, js_relational_slow(ctx, sp, opcode)); + OP_CMP(OP_gt, >, js_relational_slow(ctx, sp, opcode)); + OP_CMP(OP_gte, >=, js_relational_slow(ctx, sp, opcode)); + OP_CMP(OP_eq, ==, js_eq_slow(ctx, sp, 0)); + OP_CMP(OP_neq, !=, js_eq_slow(ctx, sp, 1)); + OP_CMP(OP_strict_eq, ==, js_strict_eq_slow(ctx, sp, 0)); + OP_CMP(OP_strict_neq, !=, js_strict_eq_slow(ctx, sp, 1)); + +#ifdef CONFIG_BIGNUM + CASE(OP_mul_pow10): + if (rt->bigfloat_ops.mul_pow10(ctx, sp)) + goto exception; + sp--; + BREAK; +#endif + CASE(OP_in): + if (js_operator_in(ctx, sp)) + goto exception; + sp--; + BREAK; + CASE(OP_instanceof): + if (js_operator_instanceof(ctx, sp)) + goto exception; + sp--; + BREAK; + CASE(OP_typeof): + { + JSValue op1; + JSAtom atom; + + op1 = sp[-1]; + atom = js_operator_typeof(ctx, op1); + JS_FreeValue(ctx, op1); + sp[-1] = JS_AtomToString(ctx, atom); + } + BREAK; + CASE(OP_delete): + if (js_operator_delete(ctx, sp)) + goto exception; + sp--; + BREAK; + CASE(OP_delete_var): + { + JSAtom atom; + int ret; + + atom = get_u32(pc); + pc += 4; + + ret = JS_DeleteProperty(ctx, ctx->global_obj, atom, 0); + if (unlikely(ret < 0)) + goto exception; + *sp++ = JS_NewBool(ctx, ret); + } + BREAK; + + CASE(OP_to_object): + if (JS_VALUE_GET_TAG(sp[-1]) != JS_TAG_OBJECT) { + ret_val = JS_ToObject(ctx, sp[-1]); + if (JS_IsException(ret_val)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret_val; + } + BREAK; + + CASE(OP_to_propkey): + switch (JS_VALUE_GET_TAG(sp[-1])) { + case JS_TAG_INT: + case JS_TAG_STRING: + case JS_TAG_SYMBOL: + break; + default: + ret_val = JS_ToPropertyKey(ctx, sp[-1]); + if (JS_IsException(ret_val)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret_val; + break; + } + BREAK; + + CASE(OP_to_propkey2): + /* must be tested first */ + if (unlikely(JS_IsUndefined(sp[-2]) || JS_IsNull(sp[-2]))) { + JS_ThrowTypeError(ctx, "value has no property"); + goto exception; + } + switch (JS_VALUE_GET_TAG(sp[-1])) { + case JS_TAG_INT: + case JS_TAG_STRING: + case JS_TAG_SYMBOL: + break; + default: + ret_val = JS_ToPropertyKey(ctx, sp[-1]); + if (JS_IsException(ret_val)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret_val; + break; + } + BREAK; +#if 0 + CASE(OP_to_string): + if (JS_VALUE_GET_TAG(sp[-1]) != JS_TAG_STRING) { + ret_val = JS_ToString(ctx, sp[-1]); + if (JS_IsException(ret_val)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = ret_val; + } + BREAK; +#endif + CASE(OP_with_get_var): + CASE(OP_with_put_var): + CASE(OP_with_delete_var): + CASE(OP_with_make_ref): + CASE(OP_with_get_ref): + CASE(OP_with_get_ref_undef): + { + JSAtom atom; + int32_t diff; + JSValue obj, val; + int ret, is_with; + atom = get_u32(pc); + diff = get_u32(pc + 4); + is_with = pc[8]; + pc += 9; + + obj = sp[-1]; + ret = JS_HasProperty(ctx, obj, atom); + if (unlikely(ret < 0)) + goto exception; + if (ret) { + if (is_with) { + ret = js_has_unscopable(ctx, obj, atom); + if (unlikely(ret < 0)) + goto exception; + if (ret) + goto no_with; + } + switch (opcode) { + case OP_with_get_var: + val = JS_GetProperty(ctx, obj, atom); + if (unlikely(JS_IsException(val))) + goto exception; + set_value(ctx, &sp[-1], val); + break; + case OP_with_put_var: + ret = JS_SetPropertyInternal(ctx, obj, atom, sp[-2], + JS_PROP_THROW_STRICT); + JS_FreeValue(ctx, sp[-1]); + sp -= 2; + if (unlikely(ret < 0)) + goto exception; + break; + case OP_with_delete_var: + ret = JS_DeleteProperty(ctx, obj, atom, 0); + if (unlikely(ret < 0)) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = JS_NewBool(ctx, ret); + break; + case OP_with_make_ref: + /* produce a pair object/propname on the stack */ + *sp++ = JS_AtomToValue(ctx, atom); + break; + case OP_with_get_ref: + /* produce a pair object/method on the stack */ + val = JS_GetProperty(ctx, obj, atom); + if (unlikely(JS_IsException(val))) + goto exception; + *sp++ = val; + break; + case OP_with_get_ref_undef: + /* produce a pair undefined/function on the stack */ + val = JS_GetProperty(ctx, obj, atom); + if (unlikely(JS_IsException(val))) + goto exception; + JS_FreeValue(ctx, sp[-1]); + sp[-1] = JS_UNDEFINED; + *sp++ = val; + break; + } + pc += diff - 5; + } else { + no_with: + /* if not jumping, drop the object argument */ + JS_FreeValue(ctx, sp[-1]); + sp--; + } + } + BREAK; + + CASE(OP_await): + ret_val = JS_NewInt32(ctx, FUNC_RET_AWAIT); + goto done_generator; + CASE(OP_yield): + ret_val = JS_NewInt32(ctx, FUNC_RET_YIELD); + goto done_generator; + CASE(OP_yield_star): + CASE(OP_async_yield_star): + ret_val = JS_NewInt32(ctx, FUNC_RET_YIELD_STAR); + goto done_generator; + CASE(OP_return_async): + CASE(OP_initial_yield): + ret_val = JS_UNDEFINED; + goto done_generator; + + CASE(OP_nop): + BREAK; + CASE(OP_is_undefined_or_null): + if (JS_VALUE_GET_TAG(sp[-1]) == JS_TAG_UNDEFINED || + JS_VALUE_GET_TAG(sp[-1]) == JS_TAG_NULL) { + goto set_true; + } else { + goto free_and_set_false; + } +#if SHORT_OPCODES + CASE(OP_is_undefined): + if (JS_VALUE_GET_TAG(sp[-1]) == JS_TAG_UNDEFINED) { + goto set_true; + } else { + goto free_and_set_false; + } + CASE(OP_is_null): + if (JS_VALUE_GET_TAG(sp[-1]) == JS_TAG_NULL) { + goto set_true; + } else { + goto free_and_set_false; + } + CASE(OP_is_function): + if (js_operator_typeof(ctx, sp[-1]) == JS_ATOM_function) { + goto free_and_set_true; + } else { + goto free_and_set_false; + } + free_and_set_true: + JS_FreeValue(ctx, sp[-1]); +#endif + set_true: + sp[-1] = JS_TRUE; + BREAK; + free_and_set_false: + JS_FreeValue(ctx, sp[-1]); + sp[-1] = JS_FALSE; + BREAK; + CASE(OP_invalid): + DEFAULT: + JS_ThrowInternalError(ctx, "invalid opcode: pc=%u opcode=0x%02x", + (int)(pc - b->byte_code_buf - 1), opcode); + goto exception; + } + } + exception: + if (is_backtrace_needed(ctx, rt->current_exception)) { + /* add the backtrace information now (it is not done + before if the exception happens in a bytecode + operation */ + sf->cur_pc = pc; + build_backtrace(ctx, rt->current_exception, NULL, 0, 0); + } + if (!JS_IsUncatchableError(ctx, rt->current_exception)) { + while (sp > stack_buf) { + JSValue val = *--sp; + JS_FreeValue(ctx, val); + if (JS_VALUE_GET_TAG(val) == JS_TAG_CATCH_OFFSET) { + int pos = JS_VALUE_GET_INT(val); + if (pos == 0) { + /* enumerator: close it with a throw */ + JS_FreeValue(ctx, sp[-1]); /* drop the next method */ + sp--; + JS_IteratorClose(ctx, sp[-1], TRUE); + } else { + *sp++ = rt->current_exception; + rt->current_exception = JS_NULL; + pc = b->byte_code_buf + pos; + goto restart; + } + } + } + } + ret_val = JS_EXCEPTION; + /* the local variables are freed by the caller in the generator + case. Hence the label 'done' should never be reached in a + generator function. */ + if (b->func_kind != JS_FUNC_NORMAL) { + done_generator: + sf->cur_pc = pc; + sf->cur_sp = sp; + } else { + done: + if (unlikely(!list_empty(&sf->var_ref_list))) { + /* variable references reference the stack: must close them */ + close_var_refs(rt, sf); + } + /* free the local variables and stack */ + for(pval = local_buf; pval < sp; pval++) { + JS_FreeValue(ctx, *pval); + } + } + rt->current_stack_frame = sf->prev_frame; + return ret_val; +} + +JSValue JS_Call(JSContext *ctx, JSValueConst func_obj, JSValueConst this_obj, + int argc, JSValueConst *argv) +{ + return JS_CallInternal(ctx, func_obj, this_obj, JS_UNDEFINED, + argc, (JSValue *)argv, JS_CALL_FLAG_COPY_ARGV); +} + +static JSValue JS_CallFree(JSContext *ctx, JSValue func_obj, JSValueConst this_obj, + int argc, JSValueConst *argv) +{ + JSValue res = JS_CallInternal(ctx, func_obj, this_obj, JS_UNDEFINED, + argc, (JSValue *)argv, JS_CALL_FLAG_COPY_ARGV); + JS_FreeValue(ctx, func_obj); + return res; +} + +/* warning: the refcount of the context is not incremented. Return + NULL in case of exception (case of revoked proxy only) */ +static JSContext *JS_GetFunctionRealm(JSContext *ctx, JSValueConst func_obj) +{ + JSObject *p; + JSContext *realm; + + if (JS_VALUE_GET_TAG(func_obj) != JS_TAG_OBJECT) + return ctx; + p = JS_VALUE_GET_OBJ(func_obj); + switch(p->class_id) { + case JS_CLASS_C_FUNCTION: + realm = p->u.cfunc.realm; + break; + case JS_CLASS_BYTECODE_FUNCTION: + case JS_CLASS_GENERATOR_FUNCTION: + case JS_CLASS_ASYNC_FUNCTION: + case JS_CLASS_ASYNC_GENERATOR_FUNCTION: + { + JSFunctionBytecode *b; + b = p->u.func.function_bytecode; + realm = b->realm; + } + break; + case JS_CLASS_PROXY: + { + JSProxyData *s = p->u.opaque; + if (!s) + return ctx; + if (s->is_revoked) { + JS_ThrowTypeErrorRevokedProxy(ctx); + return NULL; + } else { + realm = JS_GetFunctionRealm(ctx, s->target); + } + } + break; + case JS_CLASS_BOUND_FUNCTION: + { + JSBoundFunction *bf = p->u.bound_function; + realm = JS_GetFunctionRealm(ctx, bf->func_obj); + } + break; + default: + realm = ctx; + break; + } + return realm; +} + +static JSValue js_create_from_ctor(JSContext *ctx, JSValueConst ctor, + int class_id) +{ + JSValue proto, obj; + JSContext *realm; + + if (JS_IsUndefined(ctor)) { + proto = JS_DupValue(ctx, ctx->class_proto[class_id]); + } else { + proto = JS_GetProperty(ctx, ctor, JS_ATOM_prototype); + if (JS_IsException(proto)) + return proto; + if (!JS_IsObject(proto)) { + JS_FreeValue(ctx, proto); + realm = JS_GetFunctionRealm(ctx, ctor); + if (!realm) + return JS_EXCEPTION; + proto = JS_DupValue(ctx, realm->class_proto[class_id]); + } + } + obj = JS_NewObjectProtoClass(ctx, proto, class_id); + JS_FreeValue(ctx, proto); + return obj; +} + +/* argv[] is modified if (flags & JS_CALL_FLAG_COPY_ARGV) = 0. */ +static JSValue JS_CallConstructorInternal(JSContext *ctx, + JSValueConst func_obj, + JSValueConst new_target, + int argc, JSValue *argv, int flags) +{ + JSObject *p; + JSFunctionBytecode *b; + + if (js_poll_interrupts(ctx)) + return JS_EXCEPTION; + flags |= JS_CALL_FLAG_CONSTRUCTOR; + if (unlikely(JS_VALUE_GET_TAG(func_obj) != JS_TAG_OBJECT)) + goto not_a_function; + p = JS_VALUE_GET_OBJ(func_obj); + if (unlikely(!p->is_constructor)) + return JS_ThrowTypeError(ctx, "not a constructor"); + if (unlikely(p->class_id != JS_CLASS_BYTECODE_FUNCTION)) { + JSClassCall *call_func; + call_func = ctx->rt->class_array[p->class_id].call; + if (!call_func) { + not_a_function: + return JS_ThrowTypeError(ctx, "not a function"); + } + return call_func(ctx, func_obj, new_target, argc, + (JSValueConst *)argv, flags); + } + + b = p->u.func.function_bytecode; + if (b->is_derived_class_constructor) { + return JS_CallInternal(ctx, func_obj, JS_UNDEFINED, new_target, argc, argv, flags); + } else { + JSValue obj, ret; + /* legacy constructor behavior */ + obj = js_create_from_ctor(ctx, new_target, JS_CLASS_OBJECT); + if (JS_IsException(obj)) + return JS_EXCEPTION; + ret = JS_CallInternal(ctx, func_obj, obj, new_target, argc, argv, flags); + if (JS_VALUE_GET_TAG(ret) == JS_TAG_OBJECT || + JS_IsException(ret)) { + JS_FreeValue(ctx, obj); + return ret; + } else { + JS_FreeValue(ctx, ret); + return obj; + } + } +} + +JSValue JS_CallConstructor2(JSContext *ctx, JSValueConst func_obj, + JSValueConst new_target, + int argc, JSValueConst *argv) +{ + return JS_CallConstructorInternal(ctx, func_obj, new_target, + argc, (JSValue *)argv, + JS_CALL_FLAG_COPY_ARGV); +} + +JSValue JS_CallConstructor(JSContext *ctx, JSValueConst func_obj, + int argc, JSValueConst *argv) +{ + return JS_CallConstructorInternal(ctx, func_obj, func_obj, + argc, (JSValue *)argv, + JS_CALL_FLAG_COPY_ARGV); +} + +JSValue JS_Invoke(JSContext *ctx, JSValueConst this_val, JSAtom atom, int argc, JSValueConst *argv) +{ + JSValue func_obj; + func_obj = JS_GetProperty(ctx, this_val, atom); + if (JS_IsException(func_obj)) + return func_obj; + return JS_CallFree(ctx, func_obj, this_val, argc, argv); +} + +static JSValue JS_InvokeFree(JSContext *ctx, JSValue this_val, JSAtom atom, + int argc, JSValueConst *argv) +{ + JSValue res = JS_Invoke(ctx, this_val, atom, argc, argv); + JS_FreeValue(ctx, this_val); + return res; +} + +/* JSAsyncFunctionState (used by generator and async functions) */ +static __exception int async_func_init(JSContext *ctx, JSAsyncFunctionState *s, + JSValueConst func_obj, JSValueConst this_obj, + int argc, JSValueConst *argv) +{ + JSObject *p; + JSFunctionBytecode *b; + JSStackFrame *sf; + int local_count, i, arg_buf_len, n; + + sf = &s->frame; + init_list_head(&sf->var_ref_list); + p = JS_VALUE_GET_OBJ(func_obj); + b = p->u.func.function_bytecode; + sf->js_mode = b->js_mode; + sf->cur_pc = b->byte_code_buf; + arg_buf_len = max_int(b->arg_count, argc); + local_count = arg_buf_len + b->var_count + b->stack_size; + sf->arg_buf = js_malloc(ctx, sizeof(JSValue) * max_int(local_count, 1)); + if (!sf->arg_buf) + return -1; + sf->cur_func = JS_DupValue(ctx, func_obj); + s->this_val = JS_DupValue(ctx, this_obj); + s->argc = argc; + sf->arg_count = arg_buf_len; + sf->var_buf = sf->arg_buf + arg_buf_len; + sf->cur_sp = sf->var_buf + b->var_count; + for(i = 0; i < argc; i++) + sf->arg_buf[i] = JS_DupValue(ctx, argv[i]); + n = arg_buf_len + b->var_count; + for(i = argc; i < n; i++) + sf->arg_buf[i] = JS_UNDEFINED; + return 0; +} + +static void async_func_mark(JSRuntime *rt, JSAsyncFunctionState *s, + JS_MarkFunc *mark_func) +{ + JSStackFrame *sf; + JSValue *sp; + + sf = &s->frame; + JS_MarkValue(rt, sf->cur_func, mark_func); + JS_MarkValue(rt, s->this_val, mark_func); + if (sf->cur_sp) { + /* if the function is running, cur_sp is not known so we + cannot mark the stack. Marking the variables is not needed + because a running function cannot be part of a removable + cycle */ + for(sp = sf->arg_buf; sp < sf->cur_sp; sp++) + JS_MarkValue(rt, *sp, mark_func); + } +} + +static void async_func_free(JSRuntime *rt, JSAsyncFunctionState *s) +{ + JSStackFrame *sf; + JSValue *sp; + + sf = &s->frame; + + /* close the closure variables. */ + close_var_refs(rt, sf); + + if (sf->arg_buf) { + /* cannot free the function if it is running */ + assert(sf->cur_sp != NULL); + for(sp = sf->arg_buf; sp < sf->cur_sp; sp++) { + JS_FreeValueRT(rt, *sp); + } + js_free_rt(rt, sf->arg_buf); + } + JS_FreeValueRT(rt, sf->cur_func); + JS_FreeValueRT(rt, s->this_val); +} + +static JSValue async_func_resume(JSContext *ctx, JSAsyncFunctionState *s) +{ + JSValue func_obj; + + if (js_check_stack_overflow(ctx->rt, 0)) + return JS_ThrowStackOverflow(ctx); + + /* the tag does not matter provided it is not an object */ + func_obj = JS_MKPTR(JS_TAG_INT, s); + return JS_CallInternal(ctx, func_obj, s->this_val, JS_UNDEFINED, + s->argc, s->frame.arg_buf, JS_CALL_FLAG_GENERATOR); +} + + +/* Generators */ + +typedef enum JSGeneratorStateEnum { + JS_GENERATOR_STATE_SUSPENDED_START, + JS_GENERATOR_STATE_SUSPENDED_YIELD, + JS_GENERATOR_STATE_SUSPENDED_YIELD_STAR, + JS_GENERATOR_STATE_EXECUTING, + JS_GENERATOR_STATE_COMPLETED, +} JSGeneratorStateEnum; + +typedef struct JSGeneratorData { + JSGeneratorStateEnum state; + JSAsyncFunctionState func_state; +} JSGeneratorData; + +static void free_generator_stack_rt(JSRuntime *rt, JSGeneratorData *s) +{ + if (s->state == JS_GENERATOR_STATE_COMPLETED) + return; + async_func_free(rt, &s->func_state); + s->state = JS_GENERATOR_STATE_COMPLETED; +} + +static void js_generator_finalizer(JSRuntime *rt, JSValue obj) +{ + JSGeneratorData *s = JS_GetOpaque(obj, JS_CLASS_GENERATOR); + + if (s) { + free_generator_stack_rt(rt, s); + js_free_rt(rt, s); + } +} + +static void free_generator_stack(JSContext *ctx, JSGeneratorData *s) +{ + free_generator_stack_rt(ctx->rt, s); +} + +static void js_generator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSGeneratorData *s = p->u.generator_data; + + if (!s || s->state == JS_GENERATOR_STATE_COMPLETED) + return; + async_func_mark(rt, &s->func_state, mark_func); +} + +/* XXX: use enum */ +#define GEN_MAGIC_NEXT 0 +#define GEN_MAGIC_RETURN 1 +#define GEN_MAGIC_THROW 2 + +static JSValue js_generator_next(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, + BOOL *pdone, int magic) +{ + JSGeneratorData *s = JS_GetOpaque(this_val, JS_CLASS_GENERATOR); + JSStackFrame *sf; + JSValue ret, func_ret; + JSValueConst iter_args[1]; + + *pdone = TRUE; + if (!s) + return JS_ThrowTypeError(ctx, "not a generator"); + sf = &s->func_state.frame; + redo: + switch(s->state) { + default: + case JS_GENERATOR_STATE_SUSPENDED_START: + if (magic == GEN_MAGIC_NEXT) { + goto exec_no_arg; + } else { + free_generator_stack(ctx, s); + goto done; + } + break; + case JS_GENERATOR_STATE_SUSPENDED_YIELD_STAR: + { + int done; + JSValue method, iter_obj; + + iter_obj = sf->cur_sp[-2]; + if (magic == GEN_MAGIC_NEXT) { + method = JS_DupValue(ctx, sf->cur_sp[-1]); + } else { + method = JS_GetProperty(ctx, iter_obj, + magic == GEN_MAGIC_RETURN ? + JS_ATOM_return : JS_ATOM_throw); + if (JS_IsException(method)) + goto iter_exception; + } + if (magic != GEN_MAGIC_NEXT && + (JS_IsUndefined(method) || JS_IsNull(method))) { + /* default action */ + if (magic == GEN_MAGIC_RETURN) { + ret = JS_DupValue(ctx, argv[0]); + goto iter_done; + } else { + if (JS_IteratorClose(ctx, iter_obj, FALSE)) + goto iter_exception; + JS_ThrowTypeError(ctx, "iterator does not have a throw method"); + goto iter_exception; + } + } + ret = JS_IteratorNext2(ctx, iter_obj, method, argc, argv, &done); + JS_FreeValue(ctx, method); + if (JS_IsException(ret)) { + iter_exception: + goto exec_throw; + } + /* if not done, the iterator returns the exact object + returned by 'method' */ + if (done == 2) { + JSValue done_val, value; + done_val = JS_GetProperty(ctx, ret, JS_ATOM_done); + if (JS_IsException(done_val)) { + JS_FreeValue(ctx, ret); + goto iter_exception; + } + done = JS_ToBoolFree(ctx, done_val); + if (done) { + value = JS_GetProperty(ctx, ret, JS_ATOM_value); + JS_FreeValue(ctx, ret); + if (JS_IsException(value)) + goto iter_exception; + ret = value; + goto iter_done; + } else { + *pdone = 2; + } + } else { + if (done) { + /* 'yield *' returns the value associated to done = true */ + iter_done: + JS_FreeValue(ctx, sf->cur_sp[-2]); + JS_FreeValue(ctx, sf->cur_sp[-1]); + sf->cur_sp--; + goto exec_arg; + } else { + *pdone = FALSE; + } + } + break; + } + break; + case JS_GENERATOR_STATE_SUSPENDED_YIELD: + /* cur_sp[-1] was set to JS_UNDEFINED in the previous call */ + ret = JS_DupValue(ctx, argv[0]); + if (magic == GEN_MAGIC_THROW) { + JS_Throw(ctx, ret); + exec_throw: + s->func_state.throw_flag = TRUE; + } else { + exec_arg: + sf->cur_sp[-1] = ret; + sf->cur_sp[0] = JS_NewBool(ctx, (magic == GEN_MAGIC_RETURN)); + sf->cur_sp++; + exec_no_arg: + s->func_state.throw_flag = FALSE; + } + s->state = JS_GENERATOR_STATE_EXECUTING; + func_ret = async_func_resume(ctx, &s->func_state); + s->state = JS_GENERATOR_STATE_SUSPENDED_YIELD; + if (JS_IsException(func_ret)) { + /* finalize the execution in case of exception */ + free_generator_stack(ctx, s); + return func_ret; + } + if (JS_VALUE_GET_TAG(func_ret) == JS_TAG_INT) { + if (JS_VALUE_GET_INT(func_ret) == FUNC_RET_YIELD_STAR) { + /* 'yield *' */ + s->state = JS_GENERATOR_STATE_SUSPENDED_YIELD_STAR; + iter_args[0] = JS_UNDEFINED; + argc = 1; + argv = iter_args; + goto redo; + } else { + /* get the return the yield value at the top of the stack */ + ret = sf->cur_sp[-1]; + sf->cur_sp[-1] = JS_UNDEFINED; + *pdone = FALSE; + } + } else { + /* end of iterator */ + ret = sf->cur_sp[-1]; + sf->cur_sp[-1] = JS_UNDEFINED; + JS_FreeValue(ctx, func_ret); + free_generator_stack(ctx, s); + } + break; + case JS_GENERATOR_STATE_COMPLETED: + done: + /* execution is finished */ + switch(magic) { + default: + case GEN_MAGIC_NEXT: + ret = JS_UNDEFINED; + break; + case GEN_MAGIC_RETURN: + ret = JS_DupValue(ctx, argv[0]); + break; + case GEN_MAGIC_THROW: + ret = JS_Throw(ctx, JS_DupValue(ctx, argv[0])); + break; + } + break; + case JS_GENERATOR_STATE_EXECUTING: + ret = JS_ThrowTypeError(ctx, "cannot invoke a running generator"); + break; + } + return ret; +} + +static JSValue js_generator_function_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int flags) +{ + JSValue obj, func_ret; + JSGeneratorData *s; + + s = js_mallocz(ctx, sizeof(*s)); + if (!s) + return JS_EXCEPTION; + s->state = JS_GENERATOR_STATE_SUSPENDED_START; + if (async_func_init(ctx, &s->func_state, func_obj, this_obj, argc, argv)) { + s->state = JS_GENERATOR_STATE_COMPLETED; + goto fail; + } + + /* execute the function up to 'OP_initial_yield' */ + func_ret = async_func_resume(ctx, &s->func_state); + if (JS_IsException(func_ret)) + goto fail; + JS_FreeValue(ctx, func_ret); + + obj = js_create_from_ctor(ctx, func_obj, JS_CLASS_GENERATOR); + if (JS_IsException(obj)) + goto fail; + JS_SetOpaque(obj, s); + return obj; + fail: + free_generator_stack_rt(ctx->rt, s); + js_free(ctx, s); + return JS_EXCEPTION; +} + +/* AsyncFunction */ + +static void js_async_function_terminate(JSRuntime *rt, JSAsyncFunctionData *s) +{ + if (s->is_active) { + async_func_free(rt, &s->func_state); + s->is_active = FALSE; + } +} + +static void js_async_function_free0(JSRuntime *rt, JSAsyncFunctionData *s) +{ + js_async_function_terminate(rt, s); + JS_FreeValueRT(rt, s->resolving_funcs[0]); + JS_FreeValueRT(rt, s->resolving_funcs[1]); + remove_gc_object(&s->header); + js_free_rt(rt, s); +} + +static void js_async_function_free(JSRuntime *rt, JSAsyncFunctionData *s) +{ + if (--s->header.ref_count == 0) { + js_async_function_free0(rt, s); + } +} + +static void js_async_function_resolve_finalizer(JSRuntime *rt, JSValue val) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSAsyncFunctionData *s = p->u.async_function_data; + if (s) { + js_async_function_free(rt, s); + } +} + +static void js_async_function_resolve_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSObject *p = JS_VALUE_GET_OBJ(val); + JSAsyncFunctionData *s = p->u.async_function_data; + if (s) { + mark_func(rt, &s->header); + } +} + +static int js_async_function_resolve_create(JSContext *ctx, + JSAsyncFunctionData *s, + JSValue *resolving_funcs) +{ + int i; + JSObject *p; + + for(i = 0; i < 2; i++) { + resolving_funcs[i] = + JS_NewObjectProtoClass(ctx, ctx->function_proto, + JS_CLASS_ASYNC_FUNCTION_RESOLVE + i); + if (JS_IsException(resolving_funcs[i])) { + if (i == 1) + JS_FreeValue(ctx, resolving_funcs[0]); + return -1; + } + p = JS_VALUE_GET_OBJ(resolving_funcs[i]); + s->header.ref_count++; + p->u.async_function_data = s; + } + return 0; +} + +static void js_async_function_resume(JSContext *ctx, JSAsyncFunctionData *s) +{ + JSValue func_ret, ret2; + + func_ret = async_func_resume(ctx, &s->func_state); + if (JS_IsException(func_ret)) { + JSValue error; + fail: + error = JS_GetException(ctx); + ret2 = JS_Call(ctx, s->resolving_funcs[1], JS_UNDEFINED, + 1, (JSValueConst *)&error); + JS_FreeValue(ctx, error); + js_async_function_terminate(ctx->rt, s); + JS_FreeValue(ctx, ret2); /* XXX: what to do if exception ? */ + } else { + JSValue value; + value = s->func_state.frame.cur_sp[-1]; + s->func_state.frame.cur_sp[-1] = JS_UNDEFINED; + if (JS_IsUndefined(func_ret)) { + /* function returned */ + ret2 = JS_Call(ctx, s->resolving_funcs[0], JS_UNDEFINED, + 1, (JSValueConst *)&value); + JS_FreeValue(ctx, ret2); /* XXX: what to do if exception ? */ + JS_FreeValue(ctx, value); + js_async_function_terminate(ctx->rt, s); + } else { + JSValue promise, resolving_funcs[2], resolving_funcs1[2]; + int i, res; + + /* await */ + JS_FreeValue(ctx, func_ret); /* not used */ + promise = js_promise_resolve(ctx, ctx->promise_ctor, + 1, (JSValueConst *)&value, 0); + JS_FreeValue(ctx, value); + if (JS_IsException(promise)) + goto fail; + if (js_async_function_resolve_create(ctx, s, resolving_funcs)) { + JS_FreeValue(ctx, promise); + goto fail; + } + + /* Note: no need to create 'thrownawayCapability' as in + the spec */ + for(i = 0; i < 2; i++) + resolving_funcs1[i] = JS_UNDEFINED; + res = perform_promise_then(ctx, promise, + (JSValueConst *)resolving_funcs, + (JSValueConst *)resolving_funcs1); + JS_FreeValue(ctx, promise); + for(i = 0; i < 2; i++) + JS_FreeValue(ctx, resolving_funcs[i]); + if (res) + goto fail; + } + } +} + +static JSValue js_async_function_resolve_call(JSContext *ctx, + JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int flags) +{ + JSObject *p = JS_VALUE_GET_OBJ(func_obj); + JSAsyncFunctionData *s = p->u.async_function_data; + BOOL is_reject = p->class_id - JS_CLASS_ASYNC_FUNCTION_RESOLVE; + JSValueConst arg; + + if (argc > 0) + arg = argv[0]; + else + arg = JS_UNDEFINED; + s->func_state.throw_flag = is_reject; + if (is_reject) { + JS_Throw(ctx, JS_DupValue(ctx, arg)); + } else { + /* return value of await */ + s->func_state.frame.cur_sp[-1] = JS_DupValue(ctx, arg); + } + js_async_function_resume(ctx, s); + return JS_UNDEFINED; +} + +static JSValue js_async_function_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, int flags) +{ + JSValue promise; + JSAsyncFunctionData *s; + + s = js_mallocz(ctx, sizeof(*s)); + if (!s) + return JS_EXCEPTION; + s->header.ref_count = 1; + add_gc_object(ctx->rt, &s->header, JS_GC_OBJ_TYPE_ASYNC_FUNCTION); + s->is_active = FALSE; + s->resolving_funcs[0] = JS_UNDEFINED; + s->resolving_funcs[1] = JS_UNDEFINED; + + promise = JS_NewPromiseCapability(ctx, s->resolving_funcs); + if (JS_IsException(promise)) + goto fail; + + if (async_func_init(ctx, &s->func_state, func_obj, this_obj, argc, argv)) { + fail: + JS_FreeValue(ctx, promise); + js_async_function_free(ctx->rt, s); + return JS_EXCEPTION; + } + s->is_active = TRUE; + + js_async_function_resume(ctx, s); + + js_async_function_free(ctx->rt, s); + + return promise; +} + +/* AsyncGenerator */ + +typedef enum JSAsyncGeneratorStateEnum { + JS_ASYNC_GENERATOR_STATE_SUSPENDED_START, + JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD, + JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD_STAR, + JS_ASYNC_GENERATOR_STATE_EXECUTING, + JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN, + JS_ASYNC_GENERATOR_STATE_COMPLETED, +} JSAsyncGeneratorStateEnum; + +typedef struct JSAsyncGeneratorRequest { + struct list_head link; + /* completion */ + int completion_type; /* GEN_MAGIC_x */ + JSValue result; + /* promise capability */ + JSValue promise; + JSValue resolving_funcs[2]; +} JSAsyncGeneratorRequest; + +typedef struct JSAsyncGeneratorData { + JSObject *generator; /* back pointer to the object (const) */ + JSAsyncGeneratorStateEnum state; + JSAsyncFunctionState func_state; + struct list_head queue; /* list of JSAsyncGeneratorRequest.link */ +} JSAsyncGeneratorData; + +static void js_async_generator_free(JSRuntime *rt, + JSAsyncGeneratorData *s) +{ + struct list_head *el, *el1; + JSAsyncGeneratorRequest *req; + + list_for_each_safe(el, el1, &s->queue) { + req = list_entry(el, JSAsyncGeneratorRequest, link); + JS_FreeValueRT(rt, req->result); + JS_FreeValueRT(rt, req->promise); + JS_FreeValueRT(rt, req->resolving_funcs[0]); + JS_FreeValueRT(rt, req->resolving_funcs[1]); + js_free_rt(rt, req); + } + if (s->state != JS_ASYNC_GENERATOR_STATE_COMPLETED && + s->state != JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN) { + async_func_free(rt, &s->func_state); + } + js_free_rt(rt, s); +} + +static void js_async_generator_finalizer(JSRuntime *rt, JSValue obj) +{ + JSAsyncGeneratorData *s = JS_GetOpaque(obj, JS_CLASS_ASYNC_GENERATOR); + + if (s) { + js_async_generator_free(rt, s); + } +} + +static void js_async_generator_mark(JSRuntime *rt, JSValueConst val, + JS_MarkFunc *mark_func) +{ + JSAsyncGeneratorData *s = JS_GetOpaque(val, JS_CLASS_ASYNC_GENERATOR); + struct list_head *el; + JSAsyncGeneratorRequest *req; + if (s) { + list_for_each(el, &s->queue) { + req = list_entry(el, JSAsyncGeneratorRequest, link); + JS_MarkValue(rt, req->result, mark_func); + JS_MarkValue(rt, req->promise, mark_func); + JS_MarkValue(rt, req->resolving_funcs[0], mark_func); + JS_MarkValue(rt, req->resolving_funcs[1], mark_func); + } + if (s->state != JS_ASYNC_GENERATOR_STATE_COMPLETED && + s->state != JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN) { + async_func_mark(rt, &s->func_state, mark_func); + } + } +} + +static JSValue js_async_generator_resolve_function(JSContext *ctx, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int magic, JSValue *func_data); + +static int js_async_generator_resolve_function_create(JSContext *ctx, + JSValueConst generator, + JSValue *resolving_funcs, + BOOL is_resume_next) +{ + int i; + JSValue func; + + for(i = 0; i < 2; i++) { + func = JS_NewCFunctionData(ctx, js_async_generator_resolve_function, 1, + i + is_resume_next * 2, 1, &generator); + if (JS_IsException(func)) { + if (i == 1) + JS_FreeValue(ctx, resolving_funcs[0]); + return -1; + } + resolving_funcs[i] = func; + } + return 0; +} + +static int js_async_generator_await(JSContext *ctx, + JSAsyncGeneratorData *s, + JSValueConst value) +{ + JSValue promise, resolving_funcs[2], resolving_funcs1[2]; + int i, res; + + promise = js_promise_resolve(ctx, ctx->promise_ctor, + 1, &value, 0); + if (JS_IsException(promise)) + goto fail; + + if (js_async_generator_resolve_function_create(ctx, JS_MKPTR(JS_TAG_OBJECT, s->generator), + resolving_funcs, FALSE)) { + JS_FreeValue(ctx, promise); + goto fail; + } + + /* Note: no need to create 'thrownawayCapability' as in + the spec */ + for(i = 0; i < 2; i++) + resolving_funcs1[i] = JS_UNDEFINED; + res = perform_promise_then(ctx, promise, + (JSValueConst *)resolving_funcs, + (JSValueConst *)resolving_funcs1); + JS_FreeValue(ctx, promise); + for(i = 0; i < 2; i++) + JS_FreeValue(ctx, resolving_funcs[i]); + if (res) + goto fail; + return 0; + fail: + return -1; +} + +static void js_async_generator_resolve_or_reject(JSContext *ctx, + JSAsyncGeneratorData *s, + JSValueConst result, + int is_reject) +{ + JSAsyncGeneratorRequest *next; + JSValue ret; + + next = list_entry(s->queue.next, JSAsyncGeneratorRequest, link); + list_del(&next->link); + ret = JS_Call(ctx, next->resolving_funcs[is_reject], JS_UNDEFINED, 1, + &result); + JS_FreeValue(ctx, ret); + JS_FreeValue(ctx, next->result); + JS_FreeValue(ctx, next->promise); + JS_FreeValue(ctx, next->resolving_funcs[0]); + JS_FreeValue(ctx, next->resolving_funcs[1]); + js_free(ctx, next); +} + +static void js_async_generator_resolve(JSContext *ctx, + JSAsyncGeneratorData *s, + JSValueConst value, + BOOL done) +{ + JSValue result; + result = js_create_iterator_result(ctx, JS_DupValue(ctx, value), done); + /* XXX: better exception handling ? */ + js_async_generator_resolve_or_reject(ctx, s, result, 0); + JS_FreeValue(ctx, result); + } + +static void js_async_generator_reject(JSContext *ctx, + JSAsyncGeneratorData *s, + JSValueConst exception) +{ + js_async_generator_resolve_or_reject(ctx, s, exception, 1); +} + +static void js_async_generator_complete(JSContext *ctx, + JSAsyncGeneratorData *s) +{ + if (s->state != JS_ASYNC_GENERATOR_STATE_COMPLETED) { + s->state = JS_ASYNC_GENERATOR_STATE_COMPLETED; + async_func_free(ctx->rt, &s->func_state); + } +} + +static int js_async_generator_completed_return(JSContext *ctx, + JSAsyncGeneratorData *s, + JSValueConst value) +{ + JSValue promise, resolving_funcs[2], resolving_funcs1[2]; + int res; + + promise = js_promise_resolve(ctx, ctx->promise_ctor, + 1, (JSValueConst *)&value, 0); + if (JS_IsException(promise)) + return -1; + if (js_async_generator_resolve_function_create(ctx, + JS_MKPTR(JS_TAG_OBJECT, s->generator), + resolving_funcs1, + TRUE)) { + JS_FreeValue(ctx, promise); + return -1; + } + resolving_funcs[0] = JS_UNDEFINED; + resolving_funcs[1] = JS_UNDEFINED; + res = perform_promise_then(ctx, promise, + (JSValueConst *)resolving_funcs1, + (JSValueConst *)resolving_funcs); + JS_FreeValue(ctx, resolving_funcs1[0]); + JS_FreeValue(ctx, resolving_funcs1[1]); + JS_FreeValue(ctx, promise); + return res; +} + +static void js_async_generator_resume_next(JSContext *ctx, + JSAsyncGeneratorData *s) +{ + JSAsyncGeneratorRequest *next; + JSValue func_ret, value; + + for(;;) { + if (list_empty(&s->queue)) + break; + next = list_entry(s->queue.next, JSAsyncGeneratorRequest, link); + switch(s->state) { + case JS_ASYNC_GENERATOR_STATE_EXECUTING: + /* only happens when restarting execution after await() */ + goto resume_exec; + case JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN: + goto done; + case JS_ASYNC_GENERATOR_STATE_SUSPENDED_START: + if (next->completion_type == GEN_MAGIC_NEXT) { + goto exec_no_arg; + } else { + js_async_generator_complete(ctx, s); + } + break; + case JS_ASYNC_GENERATOR_STATE_COMPLETED: + if (next->completion_type == GEN_MAGIC_NEXT) { + js_async_generator_resolve(ctx, s, JS_UNDEFINED, TRUE); + } else if (next->completion_type == GEN_MAGIC_RETURN) { + s->state = JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN; + js_async_generator_completed_return(ctx, s, next->result); + goto done; + } else { + js_async_generator_reject(ctx, s, next->result); + } + goto done; + case JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD: + case JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD_STAR: + value = JS_DupValue(ctx, next->result); + if (next->completion_type == GEN_MAGIC_THROW && + s->state == JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD) { + JS_Throw(ctx, value); + s->func_state.throw_flag = TRUE; + } else { + /* 'yield' returns a value. 'yield *' also returns a value + in case the 'throw' method is called */ + s->func_state.frame.cur_sp[-1] = value; + s->func_state.frame.cur_sp[0] = + JS_NewInt32(ctx, next->completion_type); + s->func_state.frame.cur_sp++; + exec_no_arg: + s->func_state.throw_flag = FALSE; + } + s->state = JS_ASYNC_GENERATOR_STATE_EXECUTING; + resume_exec: + func_ret = async_func_resume(ctx, &s->func_state); + if (JS_IsException(func_ret)) { + value = JS_GetException(ctx); + js_async_generator_complete(ctx, s); + js_async_generator_reject(ctx, s, value); + JS_FreeValue(ctx, value); + } else if (JS_VALUE_GET_TAG(func_ret) == JS_TAG_INT) { + int func_ret_code; + value = s->func_state.frame.cur_sp[-1]; + s->func_state.frame.cur_sp[-1] = JS_UNDEFINED; + func_ret_code = JS_VALUE_GET_INT(func_ret); + switch(func_ret_code) { + case FUNC_RET_YIELD: + case FUNC_RET_YIELD_STAR: + if (func_ret_code == FUNC_RET_YIELD_STAR) + s->state = JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD_STAR; + else + s->state = JS_ASYNC_GENERATOR_STATE_SUSPENDED_YIELD; + js_async_generator_resolve(ctx, s, value, FALSE); + JS_FreeValue(ctx, value); + break; + case FUNC_RET_AWAIT: + js_async_generator_await(ctx, s, value); + JS_FreeValue(ctx, value); + goto done; + default: + abort(); + } + } else { + assert(JS_IsUndefined(func_ret)); + /* end of function */ + value = s->func_state.frame.cur_sp[-1]; + s->func_state.frame.cur_sp[-1] = JS_UNDEFINED; + js_async_generator_complete(ctx, s); + js_async_generator_resolve(ctx, s, value, TRUE); + JS_FreeValue(ctx, value); + } + break; + default: + abort(); + } + } + done: ; +} + +static JSValue js_async_generator_resolve_function(JSContext *ctx, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int magic, JSValue *func_data) +{ + BOOL is_reject = magic & 1; + JSAsyncGeneratorData *s = JS_GetOpaque(func_data[0], JS_CLASS_ASYNC_GENERATOR); + JSValueConst arg = argv[0]; + + /* XXX: what if s == NULL */ + + if (magic >= 2) { + /* resume next case in AWAITING_RETURN state */ + assert(s->state == JS_ASYNC_GENERATOR_STATE_AWAITING_RETURN || + s->state == JS_ASYNC_GENERATOR_STATE_COMPLETED); + s->state = JS_ASYNC_GENERATOR_STATE_COMPLETED; + if (is_reject) { + js_async_generator_reject(ctx, s, arg); + } else { + js_async_generator_resolve(ctx, s, arg, TRUE); + } + } else { + /* restart function execution after await() */ + assert(s->state == JS_ASYNC_GENERATOR_STATE_EXECUTING); + s->func_state.throw_flag = is_reject; + if (is_reject) { + JS_Throw(ctx, JS_DupValue(ctx, arg)); + } else { + /* return value of await */ + s->func_state.frame.cur_sp[-1] = JS_DupValue(ctx, arg); + } + js_async_generator_resume_next(ctx, s); + } + return JS_UNDEFINED; +} + +/* magic = GEN_MAGIC_x */ +static JSValue js_async_generator_next(JSContext *ctx, JSValueConst this_val, + int argc, JSValueConst *argv, + int magic) +{ + JSAsyncGeneratorData *s = JS_GetOpaque(this_val, JS_CLASS_ASYNC_GENERATOR); + JSValue promise, resolving_funcs[2]; + JSAsyncGeneratorRequest *req; + + promise = JS_NewPromiseCapability(ctx, resolving_funcs); + if (JS_IsException(promise)) + return JS_EXCEPTION; + if (!s) { + JSValue err, res2; + JS_ThrowTypeError(ctx, "not an AsyncGenerator object"); + err = JS_GetException(ctx); + res2 = JS_Call(ctx, resolving_funcs[1], JS_UNDEFINED, + 1, (JSValueConst *)&err); + JS_FreeValue(ctx, err); + JS_FreeValue(ctx, res2); + JS_FreeValue(ctx, resolving_funcs[0]); + JS_FreeValue(ctx, resolving_funcs[1]); + return promise; + } + req = js_mallocz(ctx, sizeof(*req)); + if (!req) + goto fail; + req->completion_type = magic; + req->result = JS_DupValue(ctx, argv[0]); + req->promise = JS_DupValue(ctx, promise); + req->resolving_funcs[0] = resolving_funcs[0]; + req->resolving_funcs[1] = resolving_funcs[1]; + list_add_tail(&req->link, &s->queue); + if (s->state != JS_ASYNC_GENERATOR_STATE_EXECUTING) { + js_async_generator_resume_next(ctx, s); + } + return promise; + fail: + JS_FreeValue(ctx, resolving_funcs[0]); + JS_FreeValue(ctx, resolving_funcs[1]); + JS_FreeValue(ctx, promise); + return JS_EXCEPTION; +} + +static JSValue js_async_generator_function_call(JSContext *ctx, JSValueConst func_obj, + JSValueConst this_obj, + int argc, JSValueConst *argv, + int flags) +{ + JSValue obj, func_ret; + JSAsyncGeneratorData *s; + + s = js_mallocz(ctx, sizeof(*s)); + if (!s) + return JS_EXCEPTION; + s->state = JS_ASYNC_GENERATOR_STATE_SUSPENDED_START; + init_list_head(&s->queue); + if (async_func_init(ctx, &s->func_state, func_obj, this_obj, argc, argv)) { + s->state = JS_ASYNC_GENERATOR_STATE_COMPLETED; + goto fail; + } + + /* execute the function up to 'OP_initial_yield' (no yield nor + await are possible) */ + func_ret = async_func_resume(ctx, &s->func_state); + if (JS_IsException(func_ret)) + goto fail; + JS_FreeValue(ctx, func_ret); + + obj = js_create_from_ctor(ctx, func_obj, JS_CLASS_ASYNC_GENERATOR); + if (JS_IsException(obj)) + goto fail; + s->generator = JS_VALUE_GET_OBJ(obj); + JS_SetOpaque(obj, s); + return obj; + fail: + js_async_generator_free(ctx->rt, s); + return JS_EXCEPTION; +} + +/* JS parser */ + +enum { + TOK_NUMBER = -128, + TOK_STRING, + TOK_TEMPLATE, + TOK_IDENT, + TOK_REGEXP, + /* warning: order matters (see js_parse_assign_expr) */ + TOK_MUL_ASSIGN, + TOK_DIV_ASSIGN, + TOK_MOD_ASSIGN, + TOK_PLUS_ASSIGN, + TOK_MINUS_ASSIGN, + TOK_SHL_ASSIGN, + TOK_SAR_ASSIGN, + TOK_SHR_ASSIGN, + TOK_AND_ASSIGN, + TOK_XOR_ASSIGN, + TOK_OR_ASSIGN, +#ifdef CONFIG_BIGNUM + TOK_MATH_POW_ASSIGN, +#endif + TOK_POW_ASSIGN, + TOK_DEC, + TOK_INC, + TOK_SHL, + TOK_SAR, + TOK_SHR, + TOK_LT, + TOK_LTE, + TOK_GT, + TOK_GTE, + TOK_EQ, + TOK_STRICT_EQ, + TOK_NEQ, + TOK_STRICT_NEQ, + TOK_LAND, + TOK_LOR, +#ifdef CONFIG_BIGNUM + TOK_MATH_POW, +#endif + TOK_POW, + TOK_ARROW, + TOK_ELLIPSIS, + TOK_DOUBLE_QUESTION_MARK, + TOK_QUESTION_MARK_DOT, + TOK_ERROR, + TOK_PRIVATE_NAME, + TOK_EOF, + /* keywords: WARNING: same order as atoms */ + TOK_NULL, /* must be first */ + TOK_FALSE, + TOK_TRUE, + TOK_IF, + TOK_ELSE, + TOK_RETURN, + TOK_VAR, + TOK_THIS, + TOK_DELETE, + TOK_VOID, + TOK_TYPEOF, + TOK_NEW, + TOK_IN, + TOK_INSTANCEOF, + TOK_DO, + TOK_WHILE, + TOK_FOR, + TOK_BREAK, + TOK_CONTINUE, + TOK_SWITCH, + TOK_CASE, + TOK_DEFAULT, + TOK_THROW, + TOK_TRY, + TOK_CATCH, + TOK_FINALLY, + TOK_FUNCTION, + TOK_DEBUGGER, + TOK_WITH, + /* FutureReservedWord */ + TOK_CLASS, + TOK_CONST, + TOK_ENUM, + TOK_EXPORT, + TOK_EXTENDS, + TOK_IMPORT, + TOK_SUPER, + /* FutureReservedWords when parsing strict mode code */ + TOK_IMPLEMENTS, + TOK_INTERFACE, + TOK_LET, + TOK_PACKAGE, + TOK_PRIVATE, + TOK_PROTECTED, + TOK_PUBLIC, + TOK_STATIC, + TOK_YIELD, + TOK_AWAIT, /* must be last */ + TOK_OF, /* only used for js_parse_skip_parens_token() */ +}; + +#define TOK_FIRST_KEYWORD TOK_NULL +#define TOK_LAST_KEYWORD TOK_AWAIT + +/* unicode code points */ +#define CP_NBSP 0x00a0 +#define CP_BOM 0xfeff + +#define CP_LS 0x2028 +#define CP_PS 0x2029 + +typedef struct BlockEnv { + struct BlockEnv *prev; + JSAtom label_name; /* JS_ATOM_NULL if none */ + int label_break; /* -1 if none */ + int label_cont; /* -1 if none */ + int drop_count; /* number of stack elements to drop */ + int label_finally; /* -1 if none */ + int scope_level; + int has_iterator; +} BlockEnv; + +typedef struct JSHoistedDef { + int cpool_idx; /* -1 means variable global definition */ + uint8_t force_init : 1; /* initialize to undefined */ + uint8_t is_lexical : 1; /* global let/const definition */ + uint8_t is_const : 1; /* const definition */ + int var_idx; /* function object index if cpool_idx >= 0 */ + int scope_level; /* scope of definition */ + JSAtom var_name; /* variable name if cpool_idx < 0 */ +} JSHoistedDef; + +typedef struct RelocEntry { + struct RelocEntry *next; + uint32_t addr; /* address to patch */ + int size; /* address size: 1, 2 or 4 bytes */ +} RelocEntry; + +typedef struct JumpSlot { + int op; + int size; + int pos; + int label; +} JumpSlot; + +typedef struct LabelSlot { + int ref_count; + int pos; /* phase 1 address, -1 means not resolved yet */ + int pos2; /* phase 2 address, -1 means not resolved yet */ + int addr; /* phase 3 address, -1 means not resolved yet */ + RelocEntry *first_reloc; +} LabelSlot; + +typedef struct LineNumberSlot { + uint32_t pc; + int line_num; +} LineNumberSlot; + +typedef enum JSParseFunctionEnum { + JS_PARSE_FUNC_STATEMENT, + JS_PARSE_FUNC_VAR, + JS_PARSE_FUNC_EXPR, + JS_PARSE_FUNC_ARROW, + JS_PARSE_FUNC_GETTER, + JS_PARSE_FUNC_SETTER, + JS_PARSE_FUNC_METHOD, + JS_PARSE_FUNC_CLASS_CONSTRUCTOR, + JS_PARSE_FUNC_DERIVED_CLASS_CONSTRUCTOR, +} JSParseFunctionEnum; + +typedef enum JSParseExportEnum { + JS_PARSE_EXPORT_NONE, + JS_PARSE_EXPORT_NAMED, + JS_PARSE_EXPORT_DEFAULT, +} JSParseExportEnum; + +typedef struct JSFunctionDef { + JSContext *ctx; + struct JSFunctionDef *parent; + int parent_cpool_idx; /* index in the constant pool of the parent + or -1 if none */ + int parent_scope_level; /* scope level in parent at point of definition */ + struct list_head child_list; /* list of JSFunctionDef.link */ + struct list_head link; + + BOOL is_eval; /* TRUE if eval code */ + int eval_type; /* only valid if is_eval = TRUE */ + BOOL is_global_var; /* TRUE if variables are not defined locally: + eval global, eval module or non strict eval */ + BOOL is_func_expr; /* TRUE if function expression */ + BOOL has_home_object; /* TRUE if the home object is available */ + BOOL has_prototype; /* true if a prototype field is necessary */ + BOOL has_simple_parameter_list; + BOOL has_use_strict; /* to reject directive in special cases */ + BOOL has_eval_call; /* true if the function contains a call to eval() */ + BOOL has_arguments_binding; /* true if the 'arguments' binding is + available in the function */ + BOOL has_this_binding; /* true if the 'this' and new.target binding are + available in the function */ + BOOL new_target_allowed; /* true if the 'new.target' does not + throw a syntax error */ + BOOL super_call_allowed; /* true if super() is allowed */ + BOOL super_allowed; /* true if super. or super[] is allowed */ + BOOL arguments_allowed; /* true if the 'arguments' identifier is allowed */ + BOOL is_derived_class_constructor; + BOOL in_function_body; + BOOL backtrace_barrier; + JSFunctionKindEnum func_kind : 8; + JSParseFunctionEnum func_type : 8; + uint8_t js_mode; /* bitmap of JS_MODE_x */ + JSAtom func_name; /* JS_ATOM_NULL if no name */ + + JSVarDef *vars; + int var_size; /* allocated size for vars[] */ + int var_count; + JSVarDef *args; + int arg_size; /* allocated size for args[] */ + int arg_count; /* number of arguments */ + int defined_arg_count; + int var_object_idx; /* -1 if none */ + int arguments_var_idx; /* -1 if none */ + int func_var_idx; /* variable containing the current function (-1 + if none, only used if is_func_expr is true) */ + int eval_ret_idx; /* variable containing the return value of the eval, -1 if none */ + int this_var_idx; /* variable containg the 'this' value, -1 if none */ + int new_target_var_idx; /* variable containg the 'new.target' value, -1 if none */ + int this_active_func_var_idx; /* variable containg the 'this.active_func' value, -1 if none */ + int home_object_var_idx; + BOOL need_home_object; + + int scope_level; /* index into fd->scopes if the current lexical scope */ + int scope_first; /* index into vd->vars of first lexically scoped variable */ + int scope_size; /* allocated size of fd->scopes array */ + int scope_count; /* number of entries used in the fd->scopes array */ + JSVarScope *scopes; + JSVarScope def_scope_array[4]; + + int hoisted_def_count; + int hoisted_def_size; + JSHoistedDef *hoisted_def; + + DynBuf byte_code; + int last_opcode_pos; /* -1 if no last opcode */ + int last_opcode_line_num; + BOOL use_short_opcodes; /* true if short opcodes are used in byte_code */ + + LabelSlot *label_slots; + int label_size; /* allocated size for label_slots[] */ + int label_count; + BlockEnv *top_break; /* break/continue label stack */ + + /* constant pool (strings, functions, numbers) */ + JSValue *cpool; + int cpool_count; + int cpool_size; + + /* list of variables in the closure */ + int closure_var_count; + int closure_var_size; + JSClosureVar *closure_var; + + JumpSlot *jump_slots; + int jump_size; + int jump_count; + + LineNumberSlot *line_number_slots; + int line_number_size; + int line_number_count; + int line_number_last; + int line_number_last_pc; + + /* pc2line table */ + JSAtom filename; + int line_num; + DynBuf pc2line; + + char *source; /* raw source, utf-8 encoded */ + int source_len; + + JSModuleDef *module; /* != NULL when parsing a module */ +} JSFunctionDef; + +typedef struct JSToken { + int val; + int line_num; /* line number of token start */ + const uint8_t *ptr; + union { + struct { + JSValue str; + int sep; + } str; + struct { + JSValue val; +#ifdef CONFIG_BIGNUM + slimb_t exponent; /* may be != 0 only if val is a float */ +#endif + } num; + struct { + JSAtom atom; + BOOL has_escape; + BOOL is_reserved; + } ident; + struct { + JSValue body; + JSValue flags; + } regexp; + } u; +} JSToken; + +typedef struct JSParseState { + JSContext *ctx; + int last_line_num; /* line number of last token */ + int line_num; /* line number of current offset */ + const char *filename; + JSToken token; + BOOL got_lf; /* true if got line feed before the current token */ + const uint8_t *last_ptr; + const uint8_t *buf_ptr; + const uint8_t *buf_end; + + /* current function code */ + JSFunctionDef *cur_func; + BOOL is_module; /* parsing a module */ + BOOL allow_html_comments; + BOOL ext_json; /* true if accepting JSON superset */ +} JSParseState; + +typedef struct JSOpCode { +#ifdef DUMP_BYTECODE + const char *name; +#endif + uint8_t size; /* in bytes */ + /* the opcodes remove n_pop items from the top of the stack, then + pushes n_push items */ + uint8_t n_pop; + uint8_t n_push; + uint8_t fmt; +} JSOpCode; + +static const JSOpCode opcode_info[OP_COUNT + (OP_TEMP_END - OP_TEMP_START)] = { +#define FMT(f) +#ifdef DUMP_BYTECODE +#define DEF(id, size, n_pop, n_push, f) { #id, size, n_pop, n_push, OP_FMT_ ## f }, +#else +#define DEF(id, size, n_pop, n_push, f) { size, n_pop, n_push, OP_FMT_ ## f }, +#endif +#include "quickjs-opcode.h" +#undef DEF +#undef FMT +}; + +#if SHORT_OPCODES +/* After the final compilation pass, short opcodes are used. Their + opcodes overlap with the temporary opcodes which cannot appear in + the final bytecode. Their description is after the temporary + opcodes in opcode_info[]. */ +#define short_opcode_info(op) \ + opcode_info[(op) >= OP_TEMP_START ? \ + (op) + (OP_TEMP_END - OP_TEMP_START) : (op)] +#else +#define short_opcode_info(op) opcode_info[op] +#endif + +static __exception int next_token(JSParseState *s); + +static void free_token(JSParseState *s, JSToken *token) +{ + switch(token->val) { +#ifdef CONFIG_BIGNUM + case TOK_NUMBER: + JS_FreeValue(s->ctx, token->u.num.val); + break; +#endif + case TOK_STRING: + case TOK_TEMPLATE: + JS_FreeValue(s->ctx, token->u.str.str); + break; + case TOK_REGEXP: + JS_FreeValue(s->ctx, token->u.regexp.body); + JS_FreeValue(s->ctx, token->u.regexp.flags); + break; + case TOK_IDENT: + case TOK_FIRST_KEYWORD ... TOK_LAST_KEYWORD: + case TOK_PRIVATE_NAME: + JS_FreeAtom(s->ctx, token->u.ident.atom); + break; + default: + break; + } +} + +static void __attribute((unused)) dump_token(JSParseState *s, + const JSToken *token) +{ + switch(token->val) { + case TOK_NUMBER: + { + double d; + JS_ToFloat64(s->ctx, &d, token->u.num.val); /* no exception possible */ + printf("number: %.14g\n", d); + } + break; + case TOK_IDENT: + dump_atom: + { + char buf[ATOM_GET_STR_BUF_SIZE]; + printf("ident: '%s'\n", + JS_AtomGetStr(s->ctx, buf, sizeof(buf), token->u.ident.atom)); + } + break; + case TOK_STRING: + { + const char *str; + /* XXX: quote the string */ + str = JS_ToCString(s->ctx, token->u.str.str); + printf("string: '%s'\n", str); + JS_FreeCString(s->ctx, str); + } + break; + case TOK_TEMPLATE: + { + const char *str; + str = JS_ToCString(s->ctx, token->u.str.str); + printf("template: `%s`\n", str); + JS_FreeCString(s->ctx, str); + } + break; + case TOK_REGEXP: + { + const char *str, *str2; + str = JS_ToCString(s->ctx, token->u.regexp.body); + str2 = JS_ToCString(s->ctx, token->u.regexp.flags); + printf("regexp: '%s' '%s'\n", str, str2); + JS_FreeCString(s->ctx, str); + JS_FreeCString(s->ctx, str2); + } + break; + case TOK_EOF: + printf("eof\n"); + break; + default: + if (s->token.val >= TOK_NULL && s->token.val <= TOK_LAST_KEYWORD) { + goto dump_atom; + } else if (s->token.val >= 256) { + printf("token: %d\n", token->val); + } else { + printf("token: '%c'\n", token->val); + } + break; + } +} + +int __attribute__((format(printf, 2, 3))) js_parse_error(JSParseState *s, const char *fmt, ...) +{ + JSContext *ctx = s->ctx; + va_list ap; + int backtrace_flags; + + va_start(ap, fmt); + JS_ThrowError2(ctx, JS_SYNTAX_ERROR, fmt, ap, FALSE); + va_end(ap); + backtrace_flags = 0; + if (s->cur_func && s->cur_func->backtrace_barrier) + backtrace_flags = JS_BACKTRACE_FLAG_SINGLE_LEVEL; + build_backtrace(ctx, ctx->rt->current_exception, s->filename, s->line_num, + backtrace_flags); + return -1; +} + +static int js_parse_expect(JSParseState *s, int tok) +{ + if (s->token.val != tok) { + /* XXX: dump token correctly in all cases */ + return js_parse_error(s, "expecting '%c'", tok); + } + return next_token(s); +} + +static int js_parse_expect_semi(JSParseState *s) +{ + if (s->token.val != ';') { + /* automatic insertion of ';' */ + if (s->token.val == TOK_EOF || s->token.val == '}' || s->got_lf) { + return 0; + } + return js_parse_error(s, "expecting '%c'", ';'); + } + return next_token(s); +} + +static int js_parse_error_reserved_identifier(JSParseState *s) +{ + char buf1[ATOM_GET_STR_BUF_SIZE]; + return js_parse_error(s, "'%s' is a reserved identifier", + JS_AtomGetStr(s->ctx, buf1, sizeof(buf1), + s->token.u.ident.atom)); +} + +static __exception int js_parse_template_part(JSParseState *s, const uint8_t *p) +{ + uint32_t c; + StringBuffer b_s, *b = &b_s; + + /* p points to the first byte of the template part */ + if (string_buffer_init(s->ctx, b, 32)) + goto fail; + for(;;) { + if (p >= s->buf_end) + goto unexpected_eof; + c = *p++; + if (c == '`') { + /* template end part */ + break; + } + if (c == '$' && *p == '{') { + /* template start or middle part */ + p++; + break; + } + if (c == '\\') { + if (string_buffer_putc8(b, c)) + goto fail; + if (p >= s->buf_end) + goto unexpected_eof; + c = *p++; + } + /* newline sequences are normalized as single '\n' bytes */ + if (c == '\r') { + if (*p == '\n') + p++; + c = '\n'; + } + if (c == '\n') { + s->line_num++; + } else if (c >= 0x80) { + const uint8_t *p_next; + c = unicode_from_utf8(p - 1, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) { + js_parse_error(s, "invalid UTF-8 sequence"); + goto fail; + } + p = p_next; + } + if (string_buffer_putc(b, c)) + goto fail; + } + s->token.val = TOK_TEMPLATE; + s->token.u.str.sep = c; + s->token.u.str.str = string_buffer_end(b); + s->buf_ptr = p; + return 0; + + unexpected_eof: + js_parse_error(s, "unexpected end of string"); + fail: + string_buffer_free(b); + return -1; +} + +static __exception int js_parse_string(JSParseState *s, int sep, + BOOL do_throw, const uint8_t *p, + JSToken *token, const uint8_t **pp) +{ + int ret; + uint32_t c; + StringBuffer b_s, *b = &b_s; + + /* string */ + if (string_buffer_init(s->ctx, b, 32)) + goto fail; + for(;;) { + if (p >= s->buf_end) + goto invalid_char; + c = *p; + if (c < 0x20) { + if (!s->cur_func) { + if (do_throw) + js_parse_error(s, "invalid character in a JSON string"); + goto fail; + } + if (sep == '`') { + if (c == '\r') { + if (p[1] == '\n') + p++; + c = '\n'; + } + /* do not update s->line_num */ + } else if (c == '\n' || c == '\r') + goto invalid_char; + } + p++; + if (c == sep) + break; + if (c == '$' && *p == '{' && sep == '`') { + /* template start or middle part */ + p++; + break; + } + if (c == '\\') { + c = *p; + switch(c) { + case '\0': + if (p >= s->buf_end) + goto invalid_char; + p++; + break; + case '\'': + case '\"': + case '\\': + p++; + break; + case '\r': /* accept DOS and MAC newline sequences */ + if (p[1] == '\n') { + p++; + } + /* fall thru */ + case '\n': + /* ignore escaped newline sequence */ + p++; + if (sep != '`') + s->line_num++; + continue; + default: + if (c >= '0' && c <= '7') { + if (!s->cur_func) + goto invalid_octal; /* JSON case */ + if (!(s->cur_func->js_mode & JS_MODE_STRICT) && sep != '`') + goto parse_escape; + if (c == '0' && !(p[1] >= '0' && p[1] <= '9')) { + p++; + c = '\0'; + } else { + invalid_octal: + if (do_throw) + js_parse_error(s, "invalid octal syntax in strict mode"); + goto fail; + } + } else if (c >= 0x80) { + const uint8_t *p_next; + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) { + goto invalid_utf8; + } + p = p_next; + /* LS or PS are skipped */ + if (c == CP_LS || c == CP_PS) + continue; + } else { + parse_escape: + ret = lre_parse_escape(&p, TRUE); + if (ret == -1) { + if (do_throw) + js_parse_error(s, "malformed escape sequence in string literal"); + goto fail; + } else if (ret < 0) { + /* ignore the '\' (could output a warning) */ + p++; + } else { + c = ret; + } + } + break; + } + } else if (c >= 0x80) { + const uint8_t *p_next; + c = unicode_from_utf8(p - 1, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) + goto invalid_utf8; + p = p_next; + } + if (string_buffer_putc(b, c)) + goto fail; + } + token->val = TOK_STRING; + token->u.str.sep = c; + token->u.str.str = string_buffer_end(b); + *pp = p; + return 0; + + invalid_utf8: + if (do_throw) + js_parse_error(s, "invalid UTF-8 sequence"); + goto fail; + invalid_char: + if (do_throw) + js_parse_error(s, "unexpected end of string"); + fail: + string_buffer_free(b); + return -1; +} + +static inline BOOL token_is_pseudo_keyword(JSParseState *s, JSAtom atom) { + return s->token.val == TOK_IDENT && s->token.u.ident.atom == atom && + !s->token.u.ident.has_escape; +} + +static __exception int js_parse_regexp(JSParseState *s) +{ + const uint8_t *p; + BOOL in_class; + StringBuffer b_s, *b = &b_s; + StringBuffer b2_s, *b2 = &b2_s; + uint32_t c; + + p = s->buf_ptr; + p++; + in_class = FALSE; + if (string_buffer_init(s->ctx, b, 32)) + return -1; + if (string_buffer_init(s->ctx, b2, 1)) + goto fail; + for(;;) { + if (p >= s->buf_end) { + eof_error: + js_parse_error(s, "unexpected end of regexp"); + goto fail; + } + c = *p++; + if (c == '\n' || c == '\r') { + goto eol_error; + } else if (c == '/') { + if (!in_class) + break; + } else if (c == '[') { + in_class = TRUE; + } else if (c == ']') { + /* XXX: incorrect as the first character in a class */ + in_class = FALSE; + } else if (c == '\\') { + if (string_buffer_putc8(b, c)) + goto fail; + c = *p++; + if (c == '\n' || c == '\r') + goto eol_error; + else if (c == '\0' && p >= s->buf_end) + goto eof_error; + else if (c >= 0x80) { + const uint8_t *p_next; + c = unicode_from_utf8(p - 1, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) { + goto invalid_utf8; + } + p = p_next; + if (c == CP_LS || c == CP_PS) + goto eol_error; + } + } else if (c >= 0x80) { + const uint8_t *p_next; + c = unicode_from_utf8(p - 1, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) { + invalid_utf8: + js_parse_error(s, "invalid UTF-8 sequence"); + goto fail; + } + p = p_next; + /* LS or PS are considered as line terminator */ + if (c == CP_LS || c == CP_PS) { + eol_error: + js_parse_error(s, "unexpected line terminator in regexp"); + goto fail; + } + } + if (string_buffer_putc(b, c)) + goto fail; + } + + /* flags */ + for(;;) { + const uint8_t *p_next = p; + c = *p_next++; + if (c >= 0x80) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p_next); + if (c > 0x10FFFF) { + goto invalid_utf8; + } + } + if (!lre_js_is_ident_next(c)) + break; + if (string_buffer_putc(b2, c)) + goto fail; + p = p_next; + } + + s->token.val = TOK_REGEXP; + s->token.u.regexp.body = string_buffer_end(b); + s->token.u.regexp.flags = string_buffer_end(b2); + s->buf_ptr = p; + return 0; + fail: + string_buffer_free(b); + string_buffer_free(b2); + return -1; +} + +static __exception int ident_realloc(JSContext *ctx, char **pbuf, size_t *psize, + char *static_buf) +{ + char *buf, *new_buf; + size_t size, new_size; + + buf = *pbuf; + size = *psize; + if (size >= (SIZE_MAX / 3) * 2) + new_size = SIZE_MAX; + else + new_size = size + (size >> 1); + if (buf == static_buf) { + new_buf = js_malloc(ctx, new_size); + if (!new_buf) + return -1; + memcpy(new_buf, buf, size); + } else { + new_buf = js_realloc(ctx, buf, new_size); + if (!new_buf) + return -1; + } + *pbuf = new_buf; + *psize = new_size; + return 0; +} + +/* 'c' is the first character. Return JS_ATOM_NULL in case of error */ +static JSAtom parse_ident(JSParseState *s, const uint8_t **pp, + BOOL *pident_has_escape, int c, BOOL is_private) +{ + const uint8_t *p, *p1; + char ident_buf[128], *buf; + size_t ident_size, ident_pos; + JSAtom atom; + + p = *pp; + buf = ident_buf; + ident_size = sizeof(ident_buf); + ident_pos = 0; + if (is_private) + buf[ident_pos++] = '#'; + for(;;) { + p1 = p; + + if (c < 128) { + buf[ident_pos++] = c; + } else { + ident_pos += unicode_to_utf8((uint8_t*)buf + ident_pos, c); + } + c = *p1++; + if (c == '\\' && *p1 == 'u') { + c = lre_parse_escape(&p1, TRUE); + *pident_has_escape = TRUE; + } else if (c >= 128) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p1); + } + if (!lre_js_is_ident_next(c)) + break; + p = p1; + if (unlikely(ident_pos >= ident_size - UTF8_CHAR_LEN_MAX)) { + if (ident_realloc(s->ctx, &buf, &ident_size, ident_buf)) { + atom = JS_ATOM_NULL; + goto done; + } + } + } + atom = JS_NewAtomLen(s->ctx, buf, ident_pos); + done: + if (unlikely(buf != ident_buf)) + js_free(s->ctx, buf); + *pp = p; + return atom; +} + + +static __exception int next_token(JSParseState *s) +{ + const uint8_t *p; + int c; + BOOL ident_has_escape; + JSAtom atom; + + if (js_check_stack_overflow(s->ctx->rt, 0)) { + return js_parse_error(s, "stack overflow"); + } + + free_token(s, &s->token); + + p = s->last_ptr = s->buf_ptr; + s->got_lf = FALSE; + s->last_line_num = s->token.line_num; + redo: + s->token.line_num = s->line_num; + s->token.ptr = p; + c = *p; + switch(c) { + case 0: + if (p >= s->buf_end) { + s->token.val = TOK_EOF; + } else { + goto def_token; + } + break; + case '`': + if (js_parse_template_part(s, p + 1)) + goto fail; + p = s->buf_ptr; + break; + case '\'': + case '\"': + if (js_parse_string(s, c, TRUE, p + 1, &s->token, &p)) + goto fail; + break; + case '\r': /* accept DOS and MAC newline sequences */ + if (p[1] == '\n') { + p++; + } + /* fall thru */ + case '\n': + p++; + line_terminator: + s->got_lf = TRUE; + s->line_num++; + goto redo; + case '\f': + case '\v': + case ' ': + case '\t': + p++; + goto redo; + case '/': + if (p[1] == '*') { + /* comment */ + p += 2; + for(;;) { + if (*p == '\0' && p >= s->buf_end) { + js_parse_error(s, "unexpected end of comment"); + goto fail; + } + if (p[0] == '*' && p[1] == '/') { + p += 2; + break; + } + if (*p == '\n') { + s->line_num++; + s->got_lf = TRUE; /* considered as LF for ASI */ + p++; + } else if (*p == '\r') { + s->got_lf = TRUE; /* considered as LF for ASI */ + p++; + } else if (*p >= 0x80) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p); + if (c == CP_LS || c == CP_PS) { + s->got_lf = TRUE; /* considered as LF for ASI */ + } else if (c == -1) { + p++; /* skip invalid UTF-8 */ + } + } else { + p++; + } + } + goto redo; + } else if (p[1] == '/') { + /* line comment */ + p += 2; + skip_line_comment: + for(;;) { + if (*p == '\0' && p >= s->buf_end) + break; + if (*p == '\r' || *p == '\n') + break; + if (*p >= 0x80) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p); + /* LS or PS are considered as line terminator */ + if (c == CP_LS || c == CP_PS) { + break; + } else if (c == -1) { + p++; /* skip invalid UTF-8 */ + } + } else { + p++; + } + } + goto redo; + } else if (p[1] == '=') { + p += 2; + s->token.val = TOK_DIV_ASSIGN; + } else { + p++; + s->token.val = c; + } + break; + case '\\': + if (p[1] == 'u') { + const uint8_t *p1 = p + 1; + int c1 = lre_parse_escape(&p1, TRUE); + if (c1 >= 0 && lre_js_is_ident_first(c1)) { + c = c1; + p = p1; + ident_has_escape = TRUE; + goto has_ident; + } else { + /* XXX: syntax error? */ + } + } + goto def_token; + case 'a' ... 'z': + case 'A' ... 'Z': + case '_': + case '$': + /* identifier */ + p++; + ident_has_escape = FALSE; + has_ident: + atom = parse_ident(s, &p, &ident_has_escape, c, FALSE); + if (atom == JS_ATOM_NULL) + goto fail; + s->token.u.ident.atom = atom; + s->token.u.ident.has_escape = ident_has_escape; + s->token.u.ident.is_reserved = FALSE; + if (s->token.u.ident.atom <= JS_ATOM_LAST_KEYWORD || + (s->token.u.ident.atom <= JS_ATOM_LAST_STRICT_KEYWORD && + (s->cur_func->js_mode & JS_MODE_STRICT)) || + (s->token.u.ident.atom == JS_ATOM_yield && + ((s->cur_func->func_kind & JS_FUNC_GENERATOR) || + (s->cur_func->func_type == JS_PARSE_FUNC_ARROW && + !s->cur_func->in_function_body && s->cur_func->parent && + (s->cur_func->parent->func_kind & JS_FUNC_GENERATOR)))) || + (s->token.u.ident.atom == JS_ATOM_await && + (s->is_module || + (((s->cur_func->func_kind & JS_FUNC_ASYNC) || + (s->cur_func->func_type == JS_PARSE_FUNC_ARROW && + !s->cur_func->in_function_body && s->cur_func->parent && + (s->cur_func->parent->func_kind & JS_FUNC_ASYNC))))))) { + if (ident_has_escape) { + s->token.u.ident.is_reserved = TRUE; + s->token.val = TOK_IDENT; + } else { + /* The keywords atoms are pre allocated */ + s->token.val = s->token.u.ident.atom - 1 + TOK_FIRST_KEYWORD; + } + } else { + s->token.val = TOK_IDENT; + } + break; + case '#': + /* private name */ + { + const uint8_t *p1; + p++; + p1 = p; + c = *p1++; + if (c == '\\' && *p1 == 'u') { + c = lre_parse_escape(&p1, TRUE); + } else if (c >= 128) { + c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p1); + } + if (!lre_js_is_ident_first(c)) { + js_parse_error(s, "invalid first character of private name"); + goto fail; + } + p = p1; + ident_has_escape = FALSE; /* not used */ + atom = parse_ident(s, &p, &ident_has_escape, c, TRUE); + if (atom == JS_ATOM_NULL) + goto fail; + s->token.u.ident.atom = atom; + s->token.val = TOK_PRIVATE_NAME; + } + break; + case '.': + if (p[1] == '.' && p[2] == '.') { + p += 3; + s->token.val = TOK_ELLIPSIS; + break; + } + if (p[1] >= '0' && p[1] <= '9') { + goto parse_number; + } else { + goto def_token; + } + break; + case '0': + /* in strict mode, octal literals are not accepted */ + if (is_digit(p[1]) && (s->cur_func->js_mode & JS_MODE_STRICT)) { + js_parse_error(s, "octal literals are deprecated in strict mode"); + goto fail; + } + goto parse_number; + case '1' ... '9': + /* number */ + parse_number: + { + JSValue ret; + const uint8_t *p1; + int flags, radix; + flags = ATOD_ACCEPT_BIN_OCT | ATOD_ACCEPT_LEGACY_OCTAL | + ATOD_ACCEPT_UNDERSCORES; +#ifdef CONFIG_BIGNUM + flags |= ATOD_ACCEPT_SUFFIX; + if (s->cur_func->js_mode & JS_MODE_MATH) { + flags |= ATOD_MODE_BIGINT; + if (s->cur_func->js_mode & JS_MODE_MATH) + flags |= ATOD_TYPE_BIG_FLOAT; + } +#endif + radix = 0; +#ifdef CONFIG_BIGNUM + s->token.u.num.exponent = 0; + ret = js_atof2(s->ctx, (const char *)p, (const char **)&p, radix, + flags, &s->token.u.num.exponent); +#else + ret = js_atof(s->ctx, (const char *)p, (const char **)&p, radix, + flags); +#endif + if (JS_IsException(ret)) + goto fail; + /* reject `10instanceof Number` */ + if (JS_VALUE_IS_NAN(ret) || + lre_js_is_ident_next(unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p1))) { + JS_FreeValue(s->ctx, ret); + js_parse_error(s, "invalid number literal"); + goto fail; + } + s->token.val = TOK_NUMBER; + s->token.u.num.val = ret; + } + break; + case '*': + if (p[1] == '=') { + p += 2; + s->token.val = TOK_MUL_ASSIGN; + } else if (p[1] == '*') { + if (p[2] == '=') { + p += 3; + s->token.val = TOK_POW_ASSIGN; + } else { + p += 2; + s->token.val = TOK_POW; + } + } else { + goto def_token; + } + break; + case '%': + if (p[1] == '=') { + p += 2; + s->token.val = TOK_MOD_ASSIGN; + } else { + goto def_token; + } + break; + case '+': + if (p[1] == '=') { + p += 2; + s->token.val = TOK_PLUS_ASSIGN; + } else if (p[1] == '+') { + p += 2; + s->token.val = TOK_INC; + } else { + goto def_token; + } + break; + case '-': + if (p[1] == '=') { + p += 2; + s->token.val = TOK_MINUS_ASSIGN; + } else if (p[1] == '-') { + if (s->allow_html_comments && + p[2] == '>' && s->last_line_num != s->line_num) { + /* Annex B: `-->` at beginning of line is an html comment end. + It extends to the end of the line. + */ + goto skip_line_comment; + } + p += 2; + s->token.val = TOK_DEC; + } else { + goto def_token; + } + break; + case '<': + if (p[1] == '=') { + p += 2; + s->token.val = TOK_LTE; + } else if (p[1] == '<') { + if (p[2] == '=') { + p += 3; + s->token.val = TOK_SHL_ASSIGN; + } else { + p += 2; + s->token.val = TOK_SHL; + } + } else if (s->allow_html_comments && + p[1] == '!' && p[2] == '-' && p[3] == '-') { + /* Annex B: handle ` + + diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..b775178 --- /dev/null +++ b/example/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,47 @@ + + + + + + + + + + + + + + + + + diff --git a/example/android/app/src/main/kotlin/soko/ekibun/example/MainActivity.kt b/example/android/app/src/main/kotlin/soko/ekibun/example/MainActivity.kt new file mode 100644 index 0000000..5d6e9bd --- /dev/null +++ b/example/android/app/src/main/kotlin/soko/ekibun/example/MainActivity.kt @@ -0,0 +1,6 @@ +package soko.ekibun.example + +import io.flutter.embedding.android.FlutterActivity + +class MainActivity: FlutterActivity() { +} diff --git a/example/android/app/src/main/kotlin/soko/ekibun/flutter_qjs_example/MainActivity.kt b/example/android/app/src/main/kotlin/soko/ekibun/flutter_qjs_example/MainActivity.kt new file mode 100644 index 0000000..1449f1f --- /dev/null +++ b/example/android/app/src/main/kotlin/soko/ekibun/flutter_qjs_example/MainActivity.kt @@ -0,0 +1,6 @@ +package soko.ekibun.flutter_qjs_example + +import io.flutter.embedding.android.FlutterActivity + +class MainActivity: FlutterActivity() { +} diff --git a/example/android/app/src/main/res/drawable/launch_background.xml b/example/android/app/src/main/res/drawable/launch_background.xml new file mode 100644 index 0000000..304732f --- /dev/null +++ b/example/android/app/src/main/res/drawable/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png new file mode 100644 index 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+ + + + diff --git a/example/android/build.gradle b/example/android/build.gradle new file mode 100644 index 0000000..3100ad2 --- /dev/null +++ b/example/android/build.gradle @@ -0,0 +1,31 @@ +buildscript { + ext.kotlin_version = '1.3.50' + repositories { + google() + jcenter() + } + + dependencies { + classpath 'com.android.tools.build:gradle:3.5.0' + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +allprojects { + repositories { + google() + jcenter() + } +} + +rootProject.buildDir = '../build' +subprojects { + project.buildDir = "${rootProject.buildDir}/${project.name}" +} +subprojects { + project.evaluationDependsOn(':app') +} + +task clean(type: Delete) { + delete rootProject.buildDir +} diff --git a/example/android/gradle.properties b/example/android/gradle.properties new file mode 100644 index 0000000..38c8d45 --- /dev/null +++ b/example/android/gradle.properties @@ -0,0 +1,4 @@ +org.gradle.jvmargs=-Xmx1536M +android.enableR8=true +android.useAndroidX=true +android.enableJetifier=true diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..296b146 --- /dev/null +++ b/example/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Fri Jun 23 08:50:38 CEST 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip diff --git a/example/android/settings.gradle b/example/android/settings.gradle new file mode 100644 index 0000000..44e62bc --- /dev/null +++ b/example/android/settings.gradle @@ -0,0 +1,11 @@ +include ':app' + +def localPropertiesFile = new File(rootProject.projectDir, "local.properties") +def properties = new Properties() + +assert localPropertiesFile.exists() +localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } + +def flutterSdkPath = properties.getProperty("flutter.sdk") +assert flutterSdkPath != null, "flutter.sdk not set in local.properties" +apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" diff --git a/flutter_qjs.iml b/flutter_qjs.iml index 429df7d..f3b36a2 100644 --- a/flutter_qjs.iml +++ b/flutter_qjs.iml @@ -8,11 +8,12 @@ + + - diff --git a/pubspec.yaml b/pubspec.yaml index 03e9cea..18017a7 100644 --- a/pubspec.yaml +++ b/pubspec.yaml @@ -34,6 +34,9 @@ flutter: # ------------------- windows: pluginClass: FlutterQjsPlugin + android: + pluginClass: FlutterQjsPlugin + package: soko.ekibun.flutter_qjs # ------------------- # To add assets to your plugin package, add an assets section, like this: diff --git a/windows/flutter_qjs_plugin.cpp b/windows/flutter_qjs_plugin.cpp index b5ef743..37b5f22 100644 --- a/windows/flutter_qjs_plugin.cpp +++ b/windows/flutter_qjs_plugin.cpp @@ -87,7 +87,7 @@ namespace } else if (method_call.method_name().compare("evaluate") == 0) { - flutter::EncodableMap args = *((flutter::EncodableMap *)method_call.arguments()); + flutter::EncodableMap args = *std::get_if(method_call.arguments()); std::string script = std::get(ValueOrNull(args, "script")); std::string name = std::get(ValueOrNull(args, "name")); auto presult = result.release();