mirror of
https://github.com/wgh136/flutter_qjs.git
synced 2025-09-27 05:27:23 +00:00
34 lines
1.4 KiB
Dart
34 lines
1.4 KiB
Dart
/*
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* @Description:
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* @Author: ekibun
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* @Date: 2020-09-06 13:02:46
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* @LastEditors: ekibun
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* @LastEditTime: 2020-09-13 17:29:26
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*/
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import 'dart:ffi';
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import 'package:ffi/ffi.dart';
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void main() {
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final DynamicLibrary qjsLib = DynamicLibrary.open("test/lib/build/Debug/ffi_library.dll");
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print(qjsLib);
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// JSRuntime *js_NewRuntime(void);
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final Pointer Function() jsNewRuntime =
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qjsLib.lookup<NativeFunction<Pointer Function()>>("jsNewRuntime").asFunction();
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final rt = jsNewRuntime();
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print(rt);
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// JSContext *js_NewContext(JSRuntime *rt);
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final Pointer Function(Pointer rt) jsNewContext =
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qjsLib.lookup<NativeFunction<Pointer Function(Pointer)>>("jsNewContext").asFunction();
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final ctx = jsNewContext(rt);
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print(ctx);
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// JSValue *js_Eval(JSContext *ctx, const char *input, const char *filename, int eval_flags)
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final Pointer Function(Pointer rt, Pointer<Utf8> input, Pointer<Utf8> filename, int evalFlags) jsEval =
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qjsLib.lookup<NativeFunction<Pointer Function(Pointer,Pointer<Utf8>,Pointer<Utf8>, Int32)>>("jsEval").asFunction();
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final jsval = jsEval(ctx, Utf8.toUtf8("1+1"), Utf8.toUtf8("<eval>"), 0);
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// const char *js_ToCString(JSContext *ctx, JSValue *val)
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final Pointer<Utf8> Function(Pointer rt, Pointer val) jsToCString =
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qjsLib.lookup<NativeFunction<Pointer<Utf8> Function(Pointer,Pointer)>>("jsToCString").asFunction();
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final str = Utf8.fromUtf8(jsToCString(ctx, jsval));
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print(str);
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}
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