mirror of
https://github.com/wgh136/flutter_qjs.git
synced 2025-09-27 05:27:23 +00:00
v0.3.1
This commit is contained in:
ekibun
@@ -6,6 +6,11 @@
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||||
* @LastEditTime: 2020-12-02 11:36:40
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||||
-->
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||||
|
||||
## 0.3.1
|
||||
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||||
* code clean up.
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* fix isolate wrap error.
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|
||||
## 0.3.0
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||||
|
||||
* breakdown change to remove `channel`.
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||||
|
||||
46
README.md
46
README.md
@@ -45,20 +45,31 @@ engine = null;
|
||||
|
||||
Data conversion between dart and js are implemented as follow:
|
||||
|
||||
| dart | js |
|
||||
| --------- | ------------------ |
|
||||
| Bool | boolean |
|
||||
| Int | number |
|
||||
| Double | number |
|
||||
| String | string |
|
||||
| Uint8List | ArrayBuffer |
|
||||
| List | Array |
|
||||
| Map | Object |
|
||||
| Function | function(....args) |
|
||||
| Future | Promise |
|
||||
| Object | DartObject |
|
||||
| dart | js |
|
||||
| ----------------------- | ------------------ |
|
||||
| Bool | boolean |
|
||||
| Int | number |
|
||||
| Double | number |
|
||||
| String | string |
|
||||
| Uint8List | ArrayBuffer |
|
||||
| List | Array |
|
||||
| Map | Object |
|
||||
| Function<br>JSInvokable | function(....args) |
|
||||
| Future | Promise |
|
||||
| Object | DartObject |
|
||||
|
||||
**notice:** Dart function parameter `thisVal` is used to store `this` in js.
|
||||
**notice:** `JSInvokable` does not extend `Function`, but can be used same as `Function`.
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||||
Dart function uses named argument `thisVal` to manage js function `this`:
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||||
|
||||
```dart
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||||
func(arg1, arg2, {thisVal});
|
||||
```
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||||
|
||||
or use `invoke` method to pass list parameters:
|
||||
|
||||
```dart
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(func as JSInvokable).invoke([arg1, arg2], thisVal);
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||||
```
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||||
|
||||
### Use modules
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||||
|
||||
@@ -119,10 +130,11 @@ try {
|
||||
|
||||
Method `close` can destroy quickjs runtime that can be recreated again if you call `evaluate`.
|
||||
|
||||
**notice:** Make sure arguments passed to `IsolateJSFunction` are avaliable for isolate, such as primities and top level function. Method `bind` can help to pass instance function to isolate:
|
||||
**notice:** Make sure arguments passed to `IsolateJSFunction` are avaliable for isolate, such as primities and top level function.
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||||
Method `bind` can help to pass instance function to isolate:
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||||
|
||||
```dart
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await setToGlobalObject("func", await engine.bind(() {
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await setToGlobalObject("func", await engine.bind(({thisVal}) {
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||||
// DO SOMETHING
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||||
}))
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||||
```
|
||||
@@ -131,8 +143,8 @@ await setToGlobalObject("func", await engine.bind(() {
|
||||
|
||||
## Breaking change in v0.3.0
|
||||
|
||||
`channel` function is no longer utilized by default.
|
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Use js function to set to global:
|
||||
`channel` function is no longer included by default.
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||||
Use js function to set dart object globally:
|
||||
|
||||
```dart
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||||
final setToGlobalObject = await engine.evaluate("(key, val) => this[key] = val;");
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||||
@@ -1,16 +1,3 @@
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||||
# flutter_qjs_example
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||||
|
||||
Demonstrates how to use the flutter_qjs plugin.
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||||
|
||||
## Getting Started
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||||
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||||
This project is a starting point for a Flutter application.
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||||
|
||||
A few resources to get you started if this is your first Flutter project:
|
||||
|
||||
- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
|
||||
- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
|
||||
|
||||
For help getting started with Flutter, view our
|
||||
[online documentation](https://flutter.dev/docs), which offers tutorials,
|
||||
samples, guidance on mobile development, and a full API reference.
|
||||
|
||||
@@ -6,9 +6,7 @@
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||||
* @LastEditTime: 2020-12-02 11:28:06
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||||
*/
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||||
import 'package:flutter/material.dart';
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import 'dart:typed_data';
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import 'package:dio/dio.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_qjs/isolate.dart';
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||||
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||||
@@ -44,28 +42,6 @@ class TestPage extends StatefulWidget {
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State<StatefulWidget> createState() => _TestPageState();
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||||
}
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||||
|
||||
dynamic methodHandler(String method, List arg) {
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||||
switch (method) {
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||||
case "http":
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||||
return Dio().get(arg[0]).then((response) => response.data);
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||||
case "test":
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||||
return arg[0]([
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||||
true,
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||||
1,
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||||
0.5,
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||||
"str",
|
||||
{"key": "val", 0: 1},
|
||||
Uint8List(2),
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||||
Int32List(2),
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||||
Int64List(2),
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||||
Float64List(2),
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||||
Float32List(2)
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||||
]);
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||||
default:
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||||
throw Exception("No such method");
|
||||
}
|
||||
}
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||||
|
||||
class _TestPageState extends State<TestPage> {
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||||
String resp;
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||||
IsolateQjs engine;
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||||
@@ -82,9 +58,6 @@ class _TestPageState extends State<TestPage> {
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||||
"js/" + module.replaceFirst(new RegExp(r".js$"), "") + ".js");
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||||
},
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||||
);
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||||
final setToGlobalObject =
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await engine.evaluate("(key, val) => this[key] = val;");
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setToGlobalObject("channel", methodHandler);
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}
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||||
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||||
@override
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||||
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||||
@@ -43,13 +43,6 @@ packages:
|
||||
url: "https://pub.flutter-io.cn"
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||||
source: hosted
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||||
version: "1.15.0-nullsafety.5"
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||||
dio:
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||||
dependency: "direct main"
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description:
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||||
name: dio
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||||
url: "https://pub.flutter-io.cn"
|
||||
source: hosted
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||||
version: "3.0.10"
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||||
fake_async:
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dependency: transitive
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||||
description:
|
||||
@@ -82,7 +75,7 @@ packages:
|
||||
path: ".."
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||||
relative: true
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source: path
|
||||
version: "0.3.0"
|
||||
version: "0.3.1"
|
||||
flutter_test:
|
||||
dependency: "direct dev"
|
||||
description: flutter
|
||||
@@ -95,13 +88,6 @@ packages:
|
||||
url: "https://pub.flutter-io.cn"
|
||||
source: hosted
|
||||
version: "0.6.0"
|
||||
http_parser:
|
||||
dependency: transitive
|
||||
description:
|
||||
name: http_parser
|
||||
url: "https://pub.flutter-io.cn"
|
||||
source: hosted
|
||||
version: "3.1.4"
|
||||
matcher:
|
||||
dependency: transitive
|
||||
description:
|
||||
|
||||
@@ -22,7 +22,6 @@ dependencies:
|
||||
|
||||
highlight: 0.6.0
|
||||
flutter_highlight: 0.6.0
|
||||
dio: 3.0.10
|
||||
|
||||
dev_dependencies:
|
||||
flutter_test:
|
||||
|
||||
116
lib/ffi.dart
116
lib/ffi.dart
@@ -15,7 +15,6 @@ abstract class JSRef {
|
||||
void release();
|
||||
}
|
||||
|
||||
/// JS_Eval() flags
|
||||
class JSEvalFlag {
|
||||
static const GLOBAL = 0 << 0;
|
||||
static const MODULE = 1 << 0;
|
||||
@@ -56,7 +55,7 @@ class JSTag {
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||||
static const FLOAT64 = 7;
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||||
}
|
||||
|
||||
final DynamicLibrary qjsLib = Platform.environment['FLUTTER_TEST'] == 'true'
|
||||
final DynamicLibrary _qjsLib = Platform.environment['FLUTTER_TEST'] == 'true'
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||||
? (Platform.isWindows
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||||
? DynamicLibrary.open("test/build/Debug/ffiquickjs.dll")
|
||||
: Platform.isMacOS
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||||
@@ -72,7 +71,7 @@ final DynamicLibrary qjsLib = Platform.environment['FLUTTER_TEST'] == 'true'
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||||
final Pointer Function(
|
||||
Pointer ctx,
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||||
Pointer<Utf8> message,
|
||||
) _jsThrowInternalError = qjsLib
|
||||
) _jsThrowInternalError = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -89,12 +88,12 @@ Pointer jsThrowInternalError(Pointer ctx, String message) {
|
||||
}
|
||||
|
||||
/// JSValue *jsEXCEPTION()
|
||||
final Pointer Function() jsEXCEPTION = qjsLib
|
||||
final Pointer Function() jsEXCEPTION = _qjsLib
|
||||
.lookup<NativeFunction<Pointer Function()>>("jsEXCEPTION")
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||||
.asFunction();
|
||||
|
||||
/// JSValue *jsUNDEFINED()
|
||||
final Pointer Function() jsUNDEFINED = qjsLib
|
||||
final Pointer Function() jsUNDEFINED = _qjsLib
|
||||
.lookup<NativeFunction<Pointer Function()>>("jsUNDEFINED")
|
||||
.asFunction();
|
||||
|
||||
@@ -105,7 +104,7 @@ typedef JSChannelNative = Pointer Function(
|
||||
/// JSRuntime *jsNewRuntime(JSChannel channel)
|
||||
final Pointer Function(
|
||||
Pointer<NativeFunction<JSChannelNative>>,
|
||||
) _jsNewRuntime = qjsLib
|
||||
) _jsNewRuntime = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -117,7 +116,6 @@ class RuntimeOpaque {
|
||||
JSChannel channel;
|
||||
List<JSRef> ref = [];
|
||||
ReceivePort port;
|
||||
Future Function(Pointer) promiseToFuture;
|
||||
int dartObjectClassId;
|
||||
}
|
||||
|
||||
@@ -143,7 +141,7 @@ Pointer jsNewRuntime(
|
||||
final void Function(
|
||||
Pointer,
|
||||
int,
|
||||
) jsSetMaxStackSize = qjsLib
|
||||
) jsSetMaxStackSize = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -155,7 +153,7 @@ final void Function(
|
||||
/// void jsFreeRuntime(JSRuntime *rt)
|
||||
final void Function(
|
||||
Pointer,
|
||||
) _jsFreeRuntime = qjsLib
|
||||
) _jsFreeRuntime = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -177,7 +175,7 @@ void jsFreeRuntime(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer funcData,
|
||||
) jsNewCFunction = qjsLib
|
||||
) jsNewCFunction = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -189,7 +187,7 @@ final Pointer Function(
|
||||
/// JSContext *jsNewContext(JSRuntime *rt)
|
||||
final Pointer Function(
|
||||
Pointer rt,
|
||||
) jsNewContext = qjsLib
|
||||
) _jsNewContext = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -197,10 +195,18 @@ final Pointer Function(
|
||||
)>>("jsNewContext")
|
||||
.asFunction();
|
||||
|
||||
Pointer jsNewContext(Pointer rt) {
|
||||
var ctx = _jsNewContext(rt);
|
||||
final runtimeOpaque = runtimeOpaques[rt];
|
||||
if (runtimeOpaque == null) throw Exception("Runtime has been released!");
|
||||
runtimeOpaque.dartObjectClassId = jsNewClass(ctx, "DartObject");
|
||||
return ctx;
|
||||
}
|
||||
|
||||
/// void jsFreeContext(JSContext *ctx)
|
||||
final void Function(
|
||||
Pointer,
|
||||
) jsFreeContext = qjsLib
|
||||
) jsFreeContext = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -211,7 +217,7 @@ final void Function(
|
||||
/// JSRuntime *jsGetRuntime(JSContext *ctx)
|
||||
final Pointer Function(
|
||||
Pointer,
|
||||
) jsGetRuntime = qjsLib
|
||||
) jsGetRuntime = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -226,7 +232,7 @@ final Pointer Function(
|
||||
int inputLen,
|
||||
Pointer<Utf8> filename,
|
||||
int evalFlags,
|
||||
) _jsEval = qjsLib
|
||||
) _jsEval = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -262,7 +268,7 @@ Pointer jsEval(
|
||||
/// DLLEXPORT int32_t jsValueGetTag(JSValue *val)
|
||||
final int Function(
|
||||
Pointer val,
|
||||
) jsValueGetTag = qjsLib
|
||||
) jsValueGetTag = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -273,7 +279,7 @@ final int Function(
|
||||
/// void *jsValueGetPtr(JSValue *val)
|
||||
final Pointer Function(
|
||||
Pointer val,
|
||||
) jsValueGetPtr = qjsLib
|
||||
) jsValueGetPtr = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -284,7 +290,7 @@ final Pointer Function(
|
||||
/// DLLEXPORT bool jsTagIsFloat64(int32_t tag)
|
||||
final int Function(
|
||||
int val,
|
||||
) jsTagIsFloat64 = qjsLib
|
||||
) jsTagIsFloat64 = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -296,7 +302,7 @@ final int Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
int val,
|
||||
) jsNewBool = qjsLib
|
||||
) jsNewBool = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -309,7 +315,7 @@ final Pointer Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
int val,
|
||||
) jsNewInt64 = qjsLib
|
||||
) jsNewInt64 = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -322,7 +328,7 @@ final Pointer Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
double val,
|
||||
) jsNewFloat64 = qjsLib
|
||||
) jsNewFloat64 = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -335,7 +341,7 @@ final Pointer Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer<Utf8> str,
|
||||
) _jsNewString = qjsLib
|
||||
) _jsNewString = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -357,7 +363,7 @@ final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer<Uint8> buf,
|
||||
int len,
|
||||
) jsNewArrayBufferCopy = qjsLib
|
||||
) jsNewArrayBufferCopy = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -370,7 +376,7 @@ final Pointer Function(
|
||||
/// JSValue *jsNewArray(JSContext *ctx)
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
) jsNewArray = qjsLib
|
||||
) jsNewArray = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -381,7 +387,7 @@ final Pointer Function(
|
||||
/// JSValue *jsNewObject(JSContext *ctx)
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
) jsNewObject = qjsLib
|
||||
) jsNewObject = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -394,7 +400,7 @@ final void Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
int free,
|
||||
) _jsFreeValue = qjsLib
|
||||
) _jsFreeValue = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -417,7 +423,7 @@ final void Function(
|
||||
Pointer rt,
|
||||
Pointer val,
|
||||
int free,
|
||||
) _jsFreeValueRT = qjsLib
|
||||
) _jsFreeValueRT = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -439,7 +445,7 @@ void jsFreeValueRT(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsDupValue = qjsLib
|
||||
) jsDupValue = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -452,7 +458,7 @@ final Pointer Function(
|
||||
final Pointer Function(
|
||||
Pointer rt,
|
||||
Pointer val,
|
||||
) jsDupValueRT = qjsLib
|
||||
) jsDupValueRT = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -465,7 +471,7 @@ final Pointer Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsToBool = qjsLib
|
||||
) jsToBool = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -478,7 +484,7 @@ final int Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsToInt64 = qjsLib
|
||||
) jsToInt64 = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int64 Function(
|
||||
@@ -491,7 +497,7 @@ final int Function(
|
||||
final double Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsToFloat64 = qjsLib
|
||||
) jsToFloat64 = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Double Function(
|
||||
@@ -504,7 +510,7 @@ final double Function(
|
||||
final Pointer<Utf8> Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) _jsToCString = qjsLib
|
||||
) _jsToCString = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer<Utf8> Function(
|
||||
@@ -517,7 +523,7 @@ final Pointer<Utf8> Function(
|
||||
final void Function(
|
||||
Pointer ctx,
|
||||
Pointer<Utf8> val,
|
||||
) jsFreeCString = qjsLib
|
||||
) jsFreeCString = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -541,7 +547,7 @@ String jsToCString(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer<Utf8> name,
|
||||
) _jsNewClass = qjsLib
|
||||
) _jsNewClass = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Uint32 Function(
|
||||
@@ -568,7 +574,7 @@ final Pointer Function(
|
||||
Pointer ctx,
|
||||
int classId,
|
||||
int opaque,
|
||||
) jsNewObjectClass = qjsLib
|
||||
) jsNewObjectClass = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -582,7 +588,7 @@ final Pointer Function(
|
||||
final int Function(
|
||||
Pointer obj,
|
||||
int classid,
|
||||
) jsGetObjectOpaque = qjsLib
|
||||
) jsGetObjectOpaque = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
IntPtr Function(
|
||||
@@ -596,7 +602,7 @@ final Pointer<Uint8> Function(
|
||||
Pointer ctx,
|
||||
Pointer<IntPtr> psize,
|
||||
Pointer val,
|
||||
) jsGetArrayBuffer = qjsLib
|
||||
) jsGetArrayBuffer = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer<Uint8> Function(
|
||||
@@ -610,7 +616,7 @@ final Pointer<Uint8> Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsIsFunction = qjsLib
|
||||
) jsIsFunction = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -623,7 +629,7 @@ final int Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsIsPromise = qjsLib
|
||||
) jsIsPromise = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -636,7 +642,7 @@ final int Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsIsArray = qjsLib
|
||||
) jsIsArray = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -651,7 +657,7 @@ final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer thisObj,
|
||||
int prop,
|
||||
) jsGetProperty = qjsLib
|
||||
) jsGetProperty = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -669,7 +675,7 @@ final int Function(
|
||||
int prop,
|
||||
Pointer val,
|
||||
int flag,
|
||||
) jsDefinePropertyValue = qjsLib
|
||||
) jsDefinePropertyValue = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -685,7 +691,7 @@ final int Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
int v,
|
||||
) jsFreeAtom = qjsLib
|
||||
) jsFreeAtom = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -698,7 +704,7 @@ final Pointer Function(
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
Pointer val,
|
||||
) jsValueToAtom = qjsLib
|
||||
) jsValueToAtom = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Uint32 Function(
|
||||
@@ -711,7 +717,7 @@ final int Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
int val,
|
||||
) jsAtomToValue = qjsLib
|
||||
) jsAtomToValue = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -728,7 +734,7 @@ final int Function(
|
||||
Pointer<Uint32> plen,
|
||||
Pointer obj,
|
||||
int flags,
|
||||
) jsGetOwnPropertyNames = qjsLib
|
||||
) jsGetOwnPropertyNames = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -744,7 +750,7 @@ final int Function(
|
||||
final int Function(
|
||||
Pointer ptab,
|
||||
int i,
|
||||
) jsPropertyEnumGetAtom = qjsLib
|
||||
) jsPropertyEnumGetAtom = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Uint32 Function(
|
||||
@@ -754,7 +760,7 @@ final int Function(
|
||||
.asFunction();
|
||||
|
||||
/// uint32_t sizeOfJSValue()
|
||||
final int Function() _sizeOfJSValue = qjsLib
|
||||
final int Function() _sizeOfJSValue = _qjsLib
|
||||
.lookup<NativeFunction<Uint32 Function()>>("sizeOfJSValue")
|
||||
.asFunction();
|
||||
|
||||
@@ -765,7 +771,7 @@ final void Function(
|
||||
Pointer list,
|
||||
int i,
|
||||
Pointer val,
|
||||
) setJSValueList = qjsLib
|
||||
) setJSValueList = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
@@ -783,7 +789,7 @@ final Pointer Function(
|
||||
Pointer thisObj,
|
||||
int argc,
|
||||
Pointer argv,
|
||||
) _jsCall = qjsLib
|
||||
) _jsCall = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -823,7 +829,7 @@ Pointer jsCall(
|
||||
/// int jsIsException(JSValueConst *val)
|
||||
final int Function(
|
||||
Pointer val,
|
||||
) jsIsException = qjsLib
|
||||
) jsIsException = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -834,7 +840,7 @@ final int Function(
|
||||
/// JSValue *jsGetException(JSContext *ctx)
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
) jsGetException = qjsLib
|
||||
) jsGetException = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -845,7 +851,7 @@ final Pointer Function(
|
||||
/// int jsExecutePendingJob(JSRuntime *rt)
|
||||
final int Function(
|
||||
Pointer ctx,
|
||||
) jsExecutePendingJob = qjsLib
|
||||
) jsExecutePendingJob = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Int32 Function(
|
||||
@@ -857,7 +863,7 @@ final int Function(
|
||||
final Pointer Function(
|
||||
Pointer ctx,
|
||||
Pointer resolvingFuncs,
|
||||
) jsNewPromiseCapability = qjsLib
|
||||
) jsNewPromiseCapability = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Pointer Function(
|
||||
@@ -870,7 +876,7 @@ final Pointer Function(
|
||||
final void Function(
|
||||
Pointer ctx,
|
||||
Pointer ptab,
|
||||
) jsFree = qjsLib
|
||||
) jsFree = _qjsLib
|
||||
.lookup<
|
||||
NativeFunction<
|
||||
Void Function(
|
||||
|
||||
@@ -10,10 +10,8 @@ import 'dart:ffi';
|
||||
import 'dart:isolate';
|
||||
|
||||
import 'package:ffi/ffi.dart';
|
||||
import 'package:flutter_qjs/ffi.dart';
|
||||
import 'package:flutter_qjs/wrapper.dart';
|
||||
|
||||
import 'isolate.dart';
|
||||
import 'ffi.dart';
|
||||
import 'wrapper.dart';
|
||||
|
||||
/// Handler function to manage js module.
|
||||
typedef JsModuleHandler = String Function(String name);
|
||||
@@ -21,6 +19,7 @@ typedef JsModuleHandler = String Function(String name);
|
||||
/// Handler to manage unhandled promise rejection.
|
||||
typedef JsHostPromiseRejectionHandler = void Function(String reason);
|
||||
|
||||
/// Quickjs engine for flutter.
|
||||
class FlutterQjs {
|
||||
Pointer _rt;
|
||||
Pointer _ctx;
|
||||
@@ -37,21 +36,12 @@ class FlutterQjs {
|
||||
/// Handler function to manage js module.
|
||||
JsHostPromiseRejectionHandler hostPromiseRejectionHandler;
|
||||
|
||||
/// Quickjs engine for flutter.
|
||||
///
|
||||
/// Pass handlers to implement js-dart interaction and resolving modules.
|
||||
FlutterQjs({
|
||||
this.moduleHandler,
|
||||
this.stackSize,
|
||||
this.hostPromiseRejectionHandler,
|
||||
});
|
||||
|
||||
static applyFunction(Function func, List args, dynamic thisVal) {
|
||||
final passThis =
|
||||
RegExp("{.*thisVal.*}").hasMatch(func.runtimeType.toString());
|
||||
return Function.apply(func, args, passThis ? {#thisVal: thisVal} : null);
|
||||
}
|
||||
|
||||
_ensureEngine() {
|
||||
if (_rt != null) return;
|
||||
_rt = jsNewRuntime((ctx, type, ptr) {
|
||||
@@ -69,10 +59,8 @@ class FlutterQjs {
|
||||
)));
|
||||
}
|
||||
final thisVal = jsToDart(ctx, pdata.elementAt(0).value);
|
||||
final func = jsToDart(ctx, pdata.elementAt(3).value);
|
||||
final ret = func is QjsInvokable
|
||||
? func.invoke(args, thisVal)
|
||||
: applyFunction(func, args, thisVal);
|
||||
JSInvokable func = jsToDart(ctx, pdata.elementAt(3).value);
|
||||
final ret = func.invoke(args, thisVal);
|
||||
return dartToJs(ctx, ret);
|
||||
case JSChannelType.MODULE:
|
||||
if (moduleHandler == null) throw Exception("No ModuleHandler");
|
||||
@@ -122,7 +110,7 @@ class FlutterQjs {
|
||||
}, port);
|
||||
if (this.stackSize != null && this.stackSize > 0)
|
||||
jsSetMaxStackSize(_rt, this.stackSize);
|
||||
_ctx = jsNewContextWithPromsieWrapper(_rt);
|
||||
_ctx = jsNewContext(_rt);
|
||||
}
|
||||
|
||||
/// Free Runtime and Context which can be recreate when evaluate again.
|
||||
@@ -146,18 +134,6 @@ class FlutterQjs {
|
||||
break;
|
||||
}
|
||||
}
|
||||
List jsPromises = runtimeOpaques[_rt]
|
||||
.ref
|
||||
.where(
|
||||
(v) => v is JSPromise,
|
||||
)
|
||||
.toList();
|
||||
for (JSPromise jsPromise in jsPromises) {
|
||||
if (jsPromise.checkResolveReject()) {
|
||||
jsPromise.release();
|
||||
runtimeOpaques[_rt].ref.remove(jsPromise);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
217
lib/isolate.dart
217
lib/isolate.dart
@@ -11,205 +11,8 @@ import 'dart:io';
|
||||
import 'dart:isolate';
|
||||
|
||||
import 'package:ffi/ffi.dart';
|
||||
import 'package:flutter_qjs/flutter_qjs.dart';
|
||||
import 'package:flutter_qjs/wrapper.dart';
|
||||
|
||||
class IsolateJSFunction implements QjsInvokable {
|
||||
int val;
|
||||
int ctx;
|
||||
SendPort port;
|
||||
IsolateJSFunction(this.ctx, this.val, this.port);
|
||||
|
||||
Future invoke(List arguments, [thisVal]) async {
|
||||
if (0 == val ?? 0) return;
|
||||
var evaluatePort = ReceivePort();
|
||||
port.send({
|
||||
'type': 'call',
|
||||
'ctx': ctx,
|
||||
'val': val,
|
||||
'args': _encodeData(arguments),
|
||||
'this': _encodeData(thisVal),
|
||||
'port': evaluatePort.sendPort,
|
||||
});
|
||||
var result = await evaluatePort.first;
|
||||
evaluatePort.close();
|
||||
if (result['data'] != null)
|
||||
return _decodeData(result['data'], port);
|
||||
else
|
||||
throw result['error'];
|
||||
}
|
||||
|
||||
@override
|
||||
noSuchMethod(Invocation invocation) {
|
||||
return invoke(
|
||||
invocation.positionalArguments,
|
||||
invocation.namedArguments[#thisVal],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class IsolateFunction implements QjsInvokable {
|
||||
SendPort _port;
|
||||
SendPort func;
|
||||
IsolateFunction(this.func, this._port);
|
||||
|
||||
static IsolateFunction bind(Function func, SendPort port) {
|
||||
final funcPort = ReceivePort();
|
||||
funcPort.listen((msg) async {
|
||||
var data;
|
||||
SendPort msgPort = msg['port'];
|
||||
try {
|
||||
List args = _decodeData(msg['args'], port);
|
||||
Map thisVal = _decodeData(msg['this'], port);
|
||||
data = await FlutterQjs.applyFunction(func, args, thisVal);
|
||||
if (msgPort != null)
|
||||
msgPort.send({
|
||||
'data': _encodeData(data),
|
||||
});
|
||||
} catch (e, stack) {
|
||||
if (msgPort != null)
|
||||
msgPort.send({
|
||||
'error': e.toString() + "\n" + stack.toString(),
|
||||
});
|
||||
}
|
||||
});
|
||||
return IsolateFunction(funcPort.sendPort, port);
|
||||
}
|
||||
|
||||
Future invoke(List positionalArguments, [thisVal]) async {
|
||||
if (func == null) return;
|
||||
var evaluatePort = ReceivePort();
|
||||
func.send({
|
||||
'args': _encodeData(positionalArguments),
|
||||
'this': _encodeData(thisVal),
|
||||
'port': evaluatePort.sendPort,
|
||||
});
|
||||
var result = await evaluatePort.first;
|
||||
evaluatePort.close();
|
||||
if (result['data'] != null)
|
||||
return _decodeData(result['data'], _port);
|
||||
else
|
||||
throw result['error'];
|
||||
}
|
||||
|
||||
@override
|
||||
noSuchMethod(Invocation invocation) {
|
||||
return invoke(
|
||||
invocation.positionalArguments,
|
||||
invocation.namedArguments[#thisVal],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
dynamic _encodeData(dynamic data, {Map<dynamic, dynamic> cache}) {
|
||||
if (cache == null) cache = Map();
|
||||
if (cache.containsKey(data)) return cache[data];
|
||||
if (data is List) {
|
||||
var ret = [];
|
||||
cache[data] = ret;
|
||||
for (int i = 0; i < data.length; ++i) {
|
||||
ret.add(_encodeData(data[i], cache: cache));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is Map) {
|
||||
var ret = {};
|
||||
cache[data] = ret;
|
||||
for (var entry in data.entries) {
|
||||
ret[_encodeData(entry.key, cache: cache)] =
|
||||
_encodeData(entry.value, cache: cache);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is JSFunction) {
|
||||
return {
|
||||
'__js_function_ctx': data.ctx.address,
|
||||
'__js_function_val': data.val.address,
|
||||
};
|
||||
}
|
||||
if (data is IsolateJSFunction) {
|
||||
return {
|
||||
'__js_function_ctx': data.ctx,
|
||||
'__js_function_val': data.val,
|
||||
};
|
||||
}
|
||||
if (data is IsolateFunction) {
|
||||
return {
|
||||
'__js_function_port': data.func,
|
||||
};
|
||||
}
|
||||
if (data is Future) {
|
||||
var futurePort = ReceivePort();
|
||||
data.then((value) {
|
||||
futurePort.first.then((port) {
|
||||
futurePort.close();
|
||||
(port as SendPort).send({'data': _encodeData(value)});
|
||||
});
|
||||
}, onError: (e, stack) {
|
||||
futurePort.first.then((port) {
|
||||
futurePort.close();
|
||||
(port as SendPort)
|
||||
.send({'error': e.toString() + "\n" + stack.toString()});
|
||||
});
|
||||
});
|
||||
return {
|
||||
'__js_future_port': futurePort.sendPort,
|
||||
};
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
dynamic _decodeData(dynamic data, SendPort port,
|
||||
{Map<dynamic, dynamic> cache}) {
|
||||
if (cache == null) cache = Map();
|
||||
if (cache.containsKey(data)) return cache[data];
|
||||
if (data is List) {
|
||||
var ret = [];
|
||||
cache[data] = ret;
|
||||
for (int i = 0; i < data.length; ++i) {
|
||||
ret.add(_decodeData(data[i], port, cache: cache));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is Map) {
|
||||
if (data.containsKey('__js_function_val')) {
|
||||
int ctx = data['__js_function_ctx'];
|
||||
int val = data['__js_function_val'];
|
||||
if (port != null) {
|
||||
return IsolateJSFunction(ctx, val, port);
|
||||
} else {
|
||||
return JSFunction.fromAddress(ctx, val);
|
||||
}
|
||||
}
|
||||
if (data.containsKey('__js_function_port')) {
|
||||
return IsolateFunction(data['__js_function_port'], port);
|
||||
}
|
||||
if (data.containsKey('__js_future_port')) {
|
||||
SendPort port = data['__js_future_port'];
|
||||
var futurePort = ReceivePort();
|
||||
port.send(futurePort.sendPort);
|
||||
var futureCompleter = Completer();
|
||||
futureCompleter.future.catchError((e) {});
|
||||
futurePort.first.then((value) {
|
||||
futurePort.close();
|
||||
if (value['error'] != null) {
|
||||
futureCompleter.completeError(value['error']);
|
||||
} else {
|
||||
futureCompleter.complete(value['data']);
|
||||
}
|
||||
});
|
||||
return futureCompleter.future;
|
||||
}
|
||||
var ret = {};
|
||||
cache[data] = ret;
|
||||
for (var entry in data.entries) {
|
||||
ret[_decodeData(entry.key, port, cache: cache)] =
|
||||
_decodeData(entry.value, port, cache: cache);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
import 'flutter_qjs.dart';
|
||||
import 'wrapper.dart';
|
||||
|
||||
void _runJsIsolate(Map spawnMessage) async {
|
||||
SendPort sendPort = spawnMessage['port'];
|
||||
@@ -256,11 +59,11 @@ void _runJsIsolate(Map spawnMessage) async {
|
||||
break;
|
||||
case 'call':
|
||||
data = JSFunction.fromAddress(
|
||||
msg['ctx'],
|
||||
msg['val'],
|
||||
Pointer.fromAddress(msg['ctx']),
|
||||
Pointer.fromAddress(msg['val']),
|
||||
).invoke(
|
||||
_decodeData(msg['args'], null),
|
||||
_decodeData(msg['this'], null),
|
||||
decodeData(msg['args'], null),
|
||||
decodeData(msg['this'], null),
|
||||
);
|
||||
break;
|
||||
case 'close':
|
||||
@@ -271,7 +74,7 @@ void _runJsIsolate(Map spawnMessage) async {
|
||||
}
|
||||
if (msgPort != null)
|
||||
msgPort.send({
|
||||
'data': _encodeData(data),
|
||||
'data': encodeData(data),
|
||||
});
|
||||
} catch (e, stack) {
|
||||
if (msgPort != null)
|
||||
@@ -389,10 +192,10 @@ class IsolateQjs {
|
||||
'flag': evalFlags,
|
||||
'port': evaluatePort.sendPort,
|
||||
});
|
||||
var result = await evaluatePort.first;
|
||||
Map result = await evaluatePort.first;
|
||||
evaluatePort.close();
|
||||
if (result['error'] == null) {
|
||||
return _decodeData(result['data'], sendPort);
|
||||
if (result.containsKey('data')) {
|
||||
return decodeData(result['data'], sendPort);
|
||||
} else
|
||||
throw result['error'];
|
||||
}
|
||||
|
||||
532
lib/wrapper.dart
532
lib/wrapper.dart
@@ -7,123 +7,20 @@
|
||||
*/
|
||||
import 'dart:async';
|
||||
import 'dart:ffi';
|
||||
import 'dart:isolate';
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:ffi/ffi.dart';
|
||||
|
||||
import 'ffi.dart';
|
||||
import 'isolate.dart';
|
||||
|
||||
class JSRefValue implements JSRef {
|
||||
Pointer val;
|
||||
Pointer ctx;
|
||||
JSRefValue(this.ctx, Pointer val) {
|
||||
Pointer rt = jsGetRuntime(ctx);
|
||||
this.val = jsDupValue(ctx, val);
|
||||
runtimeOpaques[rt]?.ref?.add(this);
|
||||
}
|
||||
abstract class JSInvokable {
|
||||
dynamic invoke(List args, [dynamic thisVal]);
|
||||
|
||||
JSRefValue.fromAddress(int ctx, int val) {
|
||||
this.ctx = Pointer.fromAddress(ctx);
|
||||
this.val = Pointer.fromAddress(val);
|
||||
}
|
||||
|
||||
@override
|
||||
void release() {
|
||||
if (val != null) {
|
||||
jsFreeValue(ctx, val);
|
||||
}
|
||||
val = null;
|
||||
ctx = null;
|
||||
}
|
||||
}
|
||||
|
||||
abstract class QjsReleasable {
|
||||
void release();
|
||||
}
|
||||
|
||||
abstract class QjsInvokable {
|
||||
dynamic invoke(List positionalArguments, [dynamic thisVal]);
|
||||
}
|
||||
|
||||
class DartObject implements JSRef {
|
||||
Object obj;
|
||||
Pointer ctx;
|
||||
DartObject(this.ctx, this.obj) {
|
||||
runtimeOpaques[jsGetRuntime(ctx)]?.ref?.add(this);
|
||||
}
|
||||
|
||||
static DartObject fromAddress(Pointer rt, int val) {
|
||||
return runtimeOpaques[rt]?.ref?.firstWhere(
|
||||
(e) => identityHashCode(e) == val,
|
||||
orElse: () => null,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
void release() {
|
||||
if (obj is QjsReleasable) (obj as QjsReleasable).release();
|
||||
obj = null;
|
||||
ctx = null;
|
||||
}
|
||||
}
|
||||
|
||||
class JSPromise extends JSRefValue {
|
||||
Completer completer;
|
||||
JSPromise(Pointer ctx, Pointer val, this.completer) : super(ctx, val);
|
||||
|
||||
@override
|
||||
void release() {
|
||||
super.release();
|
||||
if (!completer.isCompleted) {
|
||||
completer.completeError("Promise cannot resolve");
|
||||
}
|
||||
}
|
||||
|
||||
bool checkResolveReject() {
|
||||
if (val == null || completer.isCompleted) return true;
|
||||
var status = jsToDart(ctx, val);
|
||||
if (status["__resolved"] == true) {
|
||||
completer.complete(status["__value"]);
|
||||
return true;
|
||||
}
|
||||
if (status["__rejected"] == true) {
|
||||
final err = jsGetPropertyStr(ctx, val, "__error");
|
||||
completer.completeError(parseJSException(
|
||||
ctx,
|
||||
perr: err,
|
||||
));
|
||||
jsFreeValue(ctx, err);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
class JSFunction extends JSRefValue implements QjsInvokable {
|
||||
JSFunction(Pointer ctx, Pointer val) : super(ctx, val);
|
||||
|
||||
JSFunction.fromAddress(int ctx, int val) : super.fromAddress(ctx, val);
|
||||
|
||||
invoke(List<dynamic> arguments, [dynamic thisVal]) {
|
||||
if (val == null) return;
|
||||
List<Pointer> args = arguments
|
||||
.map(
|
||||
(e) => dartToJs(ctx, e),
|
||||
)
|
||||
.toList();
|
||||
Pointer jsRet = jsCall(ctx, val, dartToJs(ctx, thisVal), args);
|
||||
for (Pointer jsArg in args) {
|
||||
jsFreeValue(ctx, jsArg);
|
||||
}
|
||||
bool isException = jsIsException(jsRet) != 0;
|
||||
if (isException) {
|
||||
jsFreeValue(ctx, jsRet);
|
||||
throw Exception(parseJSException(ctx));
|
||||
}
|
||||
var ret = jsToDart(ctx, jsRet);
|
||||
jsFreeValue(ctx, jsRet);
|
||||
return ret;
|
||||
static dynamic wrap(dynamic func) {
|
||||
return func is JSInvokable
|
||||
? func
|
||||
: func is Function
|
||||
? _DartFunction(func)
|
||||
: func;
|
||||
}
|
||||
|
||||
@override
|
||||
@@ -135,13 +32,316 @@ class JSFunction extends JSRefValue implements QjsInvokable {
|
||||
}
|
||||
}
|
||||
|
||||
Pointer jsGetPropertyStr(Pointer ctx, Pointer val, String prop) {
|
||||
var jsAtomVal = jsNewString(ctx, prop);
|
||||
var jsAtom = jsValueToAtom(ctx, jsAtomVal);
|
||||
Pointer jsProp = jsGetProperty(ctx, val, jsAtom);
|
||||
jsFreeAtom(ctx, jsAtom);
|
||||
jsFreeValue(ctx, jsAtomVal);
|
||||
return jsProp;
|
||||
class _DartFunction extends JSInvokable {
|
||||
Function _func;
|
||||
_DartFunction(this._func);
|
||||
|
||||
@override
|
||||
invoke(List args, [thisVal]) {
|
||||
/// wrap this into function
|
||||
final passThis =
|
||||
RegExp("{.*thisVal.*}").hasMatch(_func.runtimeType.toString());
|
||||
return Function.apply(_func, args, passThis ? {#thisVal: thisVal} : null);
|
||||
}
|
||||
}
|
||||
|
||||
abstract class DartReleasable {
|
||||
void release();
|
||||
}
|
||||
|
||||
class DartObject implements JSRef {
|
||||
Object _obj;
|
||||
Pointer _ctx;
|
||||
DartObject(this._ctx, this._obj) {
|
||||
runtimeOpaques[jsGetRuntime(_ctx)]?.ref?.add(this);
|
||||
}
|
||||
|
||||
static DartObject fromAddress(Pointer rt, int val) {
|
||||
return runtimeOpaques[rt]?.ref?.firstWhere(
|
||||
(e) => identityHashCode(e) == val,
|
||||
orElse: () => null,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
void release() {
|
||||
if (_obj is DartReleasable) {
|
||||
(_obj as DartReleasable).release();
|
||||
}
|
||||
_obj = null;
|
||||
_ctx = null;
|
||||
}
|
||||
}
|
||||
|
||||
class JSObject implements JSRef {
|
||||
Pointer _val;
|
||||
Pointer _ctx;
|
||||
|
||||
/// Create
|
||||
JSObject(this._ctx, Pointer _val) {
|
||||
Pointer rt = jsGetRuntime(_ctx);
|
||||
this._val = jsDupValue(_ctx, _val);
|
||||
runtimeOpaques[rt]?.ref?.add(this);
|
||||
}
|
||||
|
||||
JSObject.fromAddress(Pointer ctx, Pointer val) {
|
||||
this._ctx = ctx;
|
||||
this._val = val;
|
||||
}
|
||||
|
||||
@override
|
||||
void release() {
|
||||
if (_val != null) {
|
||||
jsFreeValue(_ctx, _val);
|
||||
}
|
||||
_val = null;
|
||||
_ctx = null;
|
||||
}
|
||||
}
|
||||
|
||||
class JSFunction extends JSObject implements JSInvokable {
|
||||
JSFunction(Pointer ctx, Pointer val) : super(ctx, val);
|
||||
|
||||
JSFunction.fromAddress(Pointer ctx, Pointer val)
|
||||
: super.fromAddress(ctx, val);
|
||||
|
||||
@override
|
||||
invoke(List<dynamic> arguments, [dynamic thisVal]) {
|
||||
Pointer jsRet = _invoke(arguments, thisVal);
|
||||
if (jsRet == null) return;
|
||||
bool isException = jsIsException(jsRet) != 0;
|
||||
if (isException) {
|
||||
jsFreeValue(_ctx, jsRet);
|
||||
throw Exception(parseJSException(_ctx));
|
||||
}
|
||||
var ret = jsToDart(_ctx, jsRet);
|
||||
jsFreeValue(_ctx, jsRet);
|
||||
return ret;
|
||||
}
|
||||
|
||||
Pointer _invoke(List<dynamic> arguments, [dynamic thisVal]) {
|
||||
if (_val == null) return null;
|
||||
List<Pointer> args = arguments
|
||||
.map(
|
||||
(e) => dartToJs(_ctx, e),
|
||||
)
|
||||
.toList();
|
||||
Pointer jsThis = dartToJs(_ctx, thisVal);
|
||||
Pointer jsRet = jsCall(_ctx, _val, jsThis, args);
|
||||
jsFreeValue(_ctx, jsThis);
|
||||
for (Pointer jsArg in args) {
|
||||
jsFreeValue(_ctx, jsArg);
|
||||
}
|
||||
return jsRet;
|
||||
}
|
||||
|
||||
@override
|
||||
noSuchMethod(Invocation invocation) {
|
||||
return invoke(
|
||||
invocation.positionalArguments,
|
||||
invocation.namedArguments[#thisVal],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class IsolateJSFunction extends JSInvokable {
|
||||
int _val;
|
||||
int _ctx;
|
||||
SendPort port;
|
||||
IsolateJSFunction(this._ctx, this._val, this.port);
|
||||
|
||||
@override
|
||||
Future invoke(List arguments, [thisVal]) async {
|
||||
if (0 == _val ?? 0) return;
|
||||
var evaluatePort = ReceivePort();
|
||||
port.send({
|
||||
'type': 'call',
|
||||
'ctx': _ctx,
|
||||
'val': _val,
|
||||
'args': encodeData(arguments),
|
||||
'this': encodeData(thisVal),
|
||||
'port': evaluatePort.sendPort,
|
||||
});
|
||||
Map result = await evaluatePort.first;
|
||||
evaluatePort.close();
|
||||
if (result.containsKey('data'))
|
||||
return decodeData(result['data'], port);
|
||||
else
|
||||
throw result['error'];
|
||||
}
|
||||
}
|
||||
|
||||
class IsolateFunction extends JSInvokable implements DartReleasable {
|
||||
SendPort _port;
|
||||
SendPort func;
|
||||
IsolateFunction(this.func, this._port);
|
||||
|
||||
static IsolateFunction bind(Function func, SendPort port) {
|
||||
final JSInvokable invokable = JSInvokable.wrap(func);
|
||||
final funcPort = ReceivePort();
|
||||
funcPort.listen((msg) async {
|
||||
if (msg == "close") return funcPort.close();
|
||||
var data;
|
||||
SendPort msgPort = msg['port'];
|
||||
try {
|
||||
List args = decodeData(msg['args'], port);
|
||||
Map thisVal = decodeData(msg['this'], port);
|
||||
data = await invokable.invoke(args, thisVal);
|
||||
if (msgPort != null)
|
||||
msgPort.send({
|
||||
'data': encodeData(data),
|
||||
});
|
||||
} catch (e, stack) {
|
||||
if (msgPort != null)
|
||||
msgPort.send({
|
||||
'error': e.toString() + "\n" + stack.toString(),
|
||||
});
|
||||
}
|
||||
});
|
||||
return IsolateFunction(funcPort.sendPort, port);
|
||||
}
|
||||
|
||||
@override
|
||||
Future invoke(List positionalArguments, [thisVal]) async {
|
||||
if (func == null) return;
|
||||
var evaluatePort = ReceivePort();
|
||||
func.send({
|
||||
'args': encodeData(positionalArguments),
|
||||
'this': encodeData(thisVal),
|
||||
'port': evaluatePort.sendPort,
|
||||
});
|
||||
Map result = await evaluatePort.first;
|
||||
evaluatePort.close();
|
||||
if (result.containsKey('data'))
|
||||
return decodeData(result['data'], _port);
|
||||
else
|
||||
throw result['error'];
|
||||
}
|
||||
|
||||
@override
|
||||
void release() {
|
||||
if (func == null) return;
|
||||
func.send("close");
|
||||
func = null;
|
||||
}
|
||||
}
|
||||
|
||||
dynamic encodeData(dynamic data, {Map<dynamic, dynamic> cache}) {
|
||||
if (cache == null) cache = Map();
|
||||
if (cache.containsKey(data)) return cache[data];
|
||||
if (data is List) {
|
||||
var ret = [];
|
||||
cache[data] = ret;
|
||||
for (int i = 0; i < data.length; ++i) {
|
||||
ret.add(encodeData(data[i], cache: cache));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is Map) {
|
||||
var ret = {};
|
||||
cache[data] = ret;
|
||||
for (var entry in data.entries) {
|
||||
ret[encodeData(entry.key, cache: cache)] =
|
||||
encodeData(entry.value, cache: cache);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is JSObject) {
|
||||
return {
|
||||
'__js_function': data is JSFunction,
|
||||
'__js_obj_ctx': data._ctx.address,
|
||||
'__js_obj_val': data._val.address,
|
||||
};
|
||||
}
|
||||
if (data is IsolateJSFunction) {
|
||||
return {
|
||||
'__js_obj_ctx': data._ctx,
|
||||
'__js_obj_val': data._val,
|
||||
};
|
||||
}
|
||||
if (data is IsolateFunction) {
|
||||
return {
|
||||
'__js_function_port': data.func,
|
||||
};
|
||||
}
|
||||
if (data is Future) {
|
||||
var futurePort = ReceivePort();
|
||||
data.then((value) {
|
||||
futurePort.first.then((port) {
|
||||
futurePort.close();
|
||||
(port as SendPort).send({'data': encodeData(value)});
|
||||
});
|
||||
}, onError: (e, stack) {
|
||||
futurePort.first.then((port) {
|
||||
futurePort.close();
|
||||
(port as SendPort)
|
||||
.send({'error': e.toString() + "\n" + stack.toString()});
|
||||
});
|
||||
});
|
||||
return {
|
||||
'__js_future_port': futurePort.sendPort,
|
||||
};
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
dynamic decodeData(dynamic data, SendPort port, {Map<dynamic, dynamic> cache}) {
|
||||
if (cache == null) cache = Map();
|
||||
if (cache.containsKey(data)) return cache[data];
|
||||
if (data is List) {
|
||||
var ret = [];
|
||||
cache[data] = ret;
|
||||
for (int i = 0; i < data.length; ++i) {
|
||||
ret.add(decodeData(data[i], port, cache: cache));
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if (data is Map) {
|
||||
if (data.containsKey('__js_obj_val')) {
|
||||
int ctx = data['__js_obj_ctx'];
|
||||
int val = data['__js_obj_val'];
|
||||
if (data['__js_function'] == false) {
|
||||
return JSObject.fromAddress(
|
||||
Pointer.fromAddress(ctx),
|
||||
Pointer.fromAddress(val),
|
||||
);
|
||||
} else if (port != null) {
|
||||
return IsolateJSFunction(ctx, val, port);
|
||||
} else {
|
||||
return JSFunction.fromAddress(
|
||||
Pointer.fromAddress(ctx),
|
||||
Pointer.fromAddress(val),
|
||||
);
|
||||
}
|
||||
}
|
||||
if (data.containsKey('__js_function_port')) {
|
||||
return IsolateFunction(data['__js_function_port'], port);
|
||||
}
|
||||
if (data.containsKey('__js_future_port')) {
|
||||
SendPort port = data['__js_future_port'];
|
||||
var futurePort = ReceivePort();
|
||||
port.send(futurePort.sendPort);
|
||||
var futureCompleter = Completer();
|
||||
futureCompleter.future.catchError((e) {});
|
||||
futurePort.first.then((value) {
|
||||
futurePort.close();
|
||||
if (value['error'] != null) {
|
||||
futureCompleter.completeError(value['error']);
|
||||
} else {
|
||||
futureCompleter.complete(value['data']);
|
||||
}
|
||||
});
|
||||
return futureCompleter.future;
|
||||
}
|
||||
var ret = {};
|
||||
cache[data] = ret;
|
||||
for (var entry in data.entries) {
|
||||
ret[decodeData(entry.key, port, cache: cache)] =
|
||||
decodeData(entry.value, port, cache: cache);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
String parseJSException(Pointer ctx, {Pointer perr}) {
|
||||
@@ -149,7 +349,7 @@ String parseJSException(Pointer ctx, {Pointer perr}) {
|
||||
|
||||
var err = jsToCString(ctx, e);
|
||||
if (jsValueGetTag(e) == JSTag.OBJECT) {
|
||||
Pointer stack = jsGetPropertyStr(ctx, e, "stack");
|
||||
Pointer stack = jsGetPropertyValue(ctx, e, "stack");
|
||||
if (jsToBool(ctx, stack) != 0) {
|
||||
err += '\n' + jsToCString(ctx, stack);
|
||||
}
|
||||
@@ -179,8 +379,23 @@ void definePropertyValue(
|
||||
jsFreeValue(ctx, jsAtomVal);
|
||||
}
|
||||
|
||||
Pointer jsGetPropertyValue(
|
||||
Pointer ctx,
|
||||
Pointer obj,
|
||||
dynamic key, {
|
||||
Map<dynamic, dynamic> cache,
|
||||
}) {
|
||||
var jsAtomVal = dartToJs(ctx, key, cache: cache);
|
||||
var jsAtom = jsValueToAtom(ctx, jsAtomVal);
|
||||
var jsProp = jsGetProperty(ctx, obj, jsAtom);
|
||||
jsFreeAtom(ctx, jsAtom);
|
||||
jsFreeValue(ctx, jsAtomVal);
|
||||
return jsProp;
|
||||
}
|
||||
|
||||
Pointer dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
|
||||
if (val == null) return jsUNDEFINED();
|
||||
if (val is JSObject) return jsDupValue(ctx, val._val);
|
||||
if (val is Future) {
|
||||
var resolvingFunc = allocate<Uint8>(count: sizeOfJSValue * 2);
|
||||
var resolvingFunc2 =
|
||||
@@ -214,9 +429,6 @@ Pointer dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
|
||||
if (cache.containsKey(val)) {
|
||||
return jsDupValue(ctx, cache[val]);
|
||||
}
|
||||
if (val is JSFunction) {
|
||||
return jsDupValue(ctx, val.val);
|
||||
}
|
||||
if (val is List) {
|
||||
Pointer ret = jsNewArray(ctx);
|
||||
cache[val] = ret;
|
||||
@@ -233,15 +445,17 @@ Pointer dartToJs(Pointer ctx, dynamic val, {Map<dynamic, dynamic> cache}) {
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
// wrap Function to JSInvokable
|
||||
final valWrap = JSInvokable.wrap(val);
|
||||
int dartObjectClassId =
|
||||
runtimeOpaques[jsGetRuntime(ctx)]?.dartObjectClassId ?? 0;
|
||||
if (dartObjectClassId == 0) return jsUNDEFINED();
|
||||
var dartObject = jsNewObjectClass(
|
||||
ctx,
|
||||
dartObjectClassId,
|
||||
identityHashCode(DartObject(ctx, val)),
|
||||
identityHashCode(DartObject(ctx, valWrap)),
|
||||
);
|
||||
if (val is Function || val is IsolateFunction) {
|
||||
if (valWrap is JSInvokable) {
|
||||
final ret = jsNewCFunction(ctx, dartObject);
|
||||
jsFreeValue(ctx, dartObject);
|
||||
return ret;
|
||||
@@ -268,7 +482,7 @@ dynamic jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
|
||||
if (dartObjectClassId != 0) {
|
||||
final dartObject = DartObject.fromAddress(
|
||||
rt, jsGetObjectOpaque(val, dartObjectClassId));
|
||||
if (dartObject != null) return dartObject.obj;
|
||||
if (dartObject != null) return dartObject._obj;
|
||||
}
|
||||
Pointer<IntPtr> psize = allocate<IntPtr>();
|
||||
Pointer<Uint8> buf = jsGetArrayBuffer(ctx, psize, val);
|
||||
@@ -284,18 +498,30 @@ dynamic jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
|
||||
if (jsIsFunction(ctx, val) != 0) {
|
||||
return JSFunction(ctx, val);
|
||||
} else if (jsIsPromise(ctx, val) != 0) {
|
||||
return runtimeOpaques[rt]?.promiseToFuture(val);
|
||||
Pointer jsPromiseThen = jsGetPropertyValue(ctx, val, "then");
|
||||
JSFunction promiseThen = jsToDart(ctx, jsPromiseThen, cache: cache);
|
||||
jsFreeValue(ctx, jsPromiseThen);
|
||||
var completer = Completer();
|
||||
completer.future.catchError((e) {});
|
||||
final jsRet = promiseThen._invoke([
|
||||
(v) {
|
||||
if (!completer.isCompleted) completer.complete(v);
|
||||
},
|
||||
(e) {
|
||||
if (!completer.isCompleted) completer.completeError(e);
|
||||
},
|
||||
], JSObject.fromAddress(ctx, val));
|
||||
bool isException = jsIsException(jsRet) != 0;
|
||||
jsFreeValue(ctx, jsRet);
|
||||
if (isException) throw Exception(parseJSException(ctx));
|
||||
return completer.future;
|
||||
} else if (jsIsArray(ctx, val) != 0) {
|
||||
Pointer jslength = jsGetPropertyStr(ctx, val, "length");
|
||||
Pointer jslength = jsGetPropertyValue(ctx, val, "length");
|
||||
int length = jsToInt64(ctx, jslength);
|
||||
List<dynamic> ret = [];
|
||||
cache[valptr] = ret;
|
||||
for (int i = 0; i < length; ++i) {
|
||||
var jsAtomVal = jsNewInt64(ctx, i);
|
||||
var jsAtom = jsValueToAtom(ctx, jsAtomVal);
|
||||
var jsProp = jsGetProperty(ctx, val, jsAtom);
|
||||
jsFreeAtom(ctx, jsAtom);
|
||||
jsFreeValue(ctx, jsAtomVal);
|
||||
var jsProp = jsGetPropertyValue(ctx, val, i);
|
||||
ret.add(jsToDart(ctx, jsProp, cache: cache));
|
||||
jsFreeValue(ctx, jsProp);
|
||||
}
|
||||
@@ -327,43 +553,3 @@ dynamic jsToDart(Pointer ctx, Pointer val, {Map<int, dynamic> cache}) {
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
Pointer jsNewContextWithPromsieWrapper(Pointer rt) {
|
||||
var ctx = jsNewContext(rt);
|
||||
final runtimeOpaque = runtimeOpaques[rt];
|
||||
if (runtimeOpaque == null) throw Exception("Runtime has been released!");
|
||||
|
||||
var jsPromiseWrapper = jsEval(
|
||||
ctx,
|
||||
"""
|
||||
(value) => {
|
||||
const __ret = {};
|
||||
Promise.resolve(value)
|
||||
.then(v => {
|
||||
__ret.__value = v;
|
||||
__ret.__resolved = true;
|
||||
}).catch(e => {
|
||||
__ret.__error = e;
|
||||
__ret.__rejected = true;
|
||||
});
|
||||
return __ret;
|
||||
}
|
||||
""",
|
||||
"<future>",
|
||||
JSEvalFlag.GLOBAL);
|
||||
runtimeOpaque.dartObjectClassId = jsNewClass(ctx, "DartObject");
|
||||
final promiseWrapper = JSRefValue(ctx, jsPromiseWrapper);
|
||||
jsFreeValue(ctx, jsPromiseWrapper);
|
||||
runtimeOpaque.promiseToFuture = (promise) {
|
||||
var completer = Completer();
|
||||
completer.future.catchError((e) {});
|
||||
var wrapper = promiseWrapper.val;
|
||||
if (wrapper == null)
|
||||
completer.completeError(Exception("Runtime has been released!"));
|
||||
var jsPromise = jsCall(ctx, wrapper, null, [promise]);
|
||||
var wrapPromise = JSPromise(ctx, jsPromise, completer);
|
||||
jsFreeValue(ctx, jsPromise);
|
||||
return wrapPromise.completer.future;
|
||||
};
|
||||
return ctx;
|
||||
}
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
name: flutter_qjs
|
||||
description: This plugin is a simple js engine for flutter using the `quickjs` project. Plugin currently supports all the platforms except web!
|
||||
version: 0.3.0
|
||||
version: 0.3.1
|
||||
homepage: https://github.com/ekibun/flutter_qjs
|
||||
|
||||
environment:
|
||||
|
||||
@@ -9,32 +9,46 @@ import 'dart:async';
|
||||
import 'dart:convert';
|
||||
import 'dart:io';
|
||||
|
||||
import 'package:flutter_qjs/ffi.dart';
|
||||
import 'package:flutter_qjs/flutter_qjs.dart';
|
||||
import 'package:flutter_qjs/isolate.dart';
|
||||
import 'package:flutter_qjs/ffi.dart';
|
||||
import 'package:flutter_test/flutter_test.dart';
|
||||
|
||||
dynamic myFunction(String args, {String thisVal}) {
|
||||
dynamic myFunction(String args, {thisVal}) {
|
||||
return [thisVal, args];
|
||||
}
|
||||
|
||||
Future testEvaluate(qjs) async {
|
||||
final testWrap = await qjs.evaluate("(a) => a", name: "<testWrap>");
|
||||
final testWrap = await qjs.evaluate(
|
||||
"(a) => a",
|
||||
name: "<testWrap>",
|
||||
);
|
||||
final wrapNull = await testWrap(null);
|
||||
expect(wrapNull, null, reason: "wrap null");
|
||||
final primities = [0, 1, 0.1, true, false, "str"];
|
||||
final wrapPrimities = await testWrap(primities);
|
||||
for (var i = 0; i < primities.length; i++) {
|
||||
expect(wrapPrimities[i], primities[i], reason: "wrap primities");
|
||||
}
|
||||
final wrapFunction = await testWrap(testWrap);
|
||||
final testEqual = await qjs.evaluate(
|
||||
"(a, b) => a === b",
|
||||
name: "<testEqual>",
|
||||
);
|
||||
expect(await testEqual(wrapFunction, testWrap), true,
|
||||
reason: "wrap function");
|
||||
|
||||
expect(wrapNull, null, reason: "wrap null");
|
||||
final a = {};
|
||||
a["a"] = a;
|
||||
final wrapA = await testWrap(a);
|
||||
expect(wrapA['a'], wrapA, reason: "recursive object");
|
||||
final testThis = await qjs.evaluate(
|
||||
"(func) => func.call('this', 'arg')",
|
||||
"(function (func, arg) { return func.call(this, arg) })",
|
||||
name: "<testThis>",
|
||||
);
|
||||
final funcRet = await testThis(myFunction);
|
||||
expect(funcRet[0], 'this', reason: "js function this");
|
||||
final funcRet = await testThis(myFunction, 'arg', thisVal: {'name': 'this'});
|
||||
expect(funcRet[0]['name'], 'this', reason: "js function this");
|
||||
expect(funcRet[1], 'arg', reason: "js function argument");
|
||||
final promises = await testWrap(await qjs.evaluate(
|
||||
"[Promise.reject('test Promise.reject'), Promise.resolve('test Promise.resolve')]",
|
||||
|
||||
Reference in New Issue
Block a user