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Upgrade test262 suite and fix issues (#1910)
* create shims for async generators * add initial version of Math.sumPrecise which won't pass all the tests (insane as usual) * harmonize function expression building
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47 changes: 47 additions & 0 deletions
47
Jint/Native/AsyncGenerator/AsyncGeneratorFunctionConstructor.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| using Jint.Native.AsyncFunction; | ||
| using Jint.Native.Function; | ||
| using Jint.Native.Iterator; | ||
| using Jint.Native.Object; | ||
| using Jint.Runtime; | ||
| using Jint.Runtime.Descriptors; | ||
|
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| namespace Jint.Native.Generator; | ||
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-asyncgeneratorfunction-constructor | ||
| /// </summary> | ||
| internal sealed class AsyncGeneratorFunctionConstructor : Constructor | ||
| { | ||
| private static readonly JsString _functionName = new("AsyncGeneratorFunction"); | ||
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| internal AsyncGeneratorFunctionConstructor( | ||
| Engine engine, | ||
| Realm realm, | ||
| AsyncFunctionPrototype prototype, | ||
| IteratorPrototype iteratorPrototype) | ||
| : base(engine, realm, _functionName) | ||
| { | ||
| PrototypeObject = new AsyncGeneratorFunctionPrototype(engine, this, prototype, iteratorPrototype); | ||
| _prototype = PrototypeObject; | ||
| _prototypeDescriptor = new PropertyDescriptor(PrototypeObject, PropertyFlag.AllForbidden); | ||
| _length = new PropertyDescriptor(JsNumber.PositiveOne, PropertyFlag.Configurable); | ||
| } | ||
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| public AsyncGeneratorFunctionPrototype PrototypeObject { get; } | ||
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| protected internal override JsValue Call(JsValue thisObject, JsValue[] arguments) | ||
| { | ||
| return Construct(arguments, thisObject); | ||
| } | ||
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| public override ObjectInstance Construct(JsValue[] arguments, JsValue newTarget) | ||
| { | ||
| var function = _realm.Intrinsics.Function.CreateDynamicFunction( | ||
| this, | ||
| newTarget, | ||
| FunctionKind.AsyncGenerator, | ||
| arguments); | ||
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| return function; | ||
| } | ||
| } |
44 changes: 44 additions & 0 deletions
44
Jint/Native/AsyncGenerator/AsyncGeneratorFunctionPrototype.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| using Jint.Collections; | ||
| using Jint.Native.AsyncFunction; | ||
| using Jint.Native.Iterator; | ||
| using Jint.Native.Symbol; | ||
| using Jint.Runtime; | ||
| using Jint.Runtime.Descriptors; | ||
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| namespace Jint.Native.Generator; | ||
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-properties-of-asyncgeneratorfunction-prototype | ||
| /// </summary> | ||
| internal sealed class AsyncGeneratorFunctionPrototype : Prototype | ||
| { | ||
| private readonly AsyncGeneratorFunctionConstructor? _constructor; | ||
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| internal AsyncGeneratorFunctionPrototype( | ||
| Engine engine, | ||
| AsyncGeneratorFunctionConstructor constructor, | ||
| AsyncFunctionPrototype prototype, | ||
| IteratorPrototype iteratorPrototype) : base(engine, engine.Realm) | ||
| { | ||
| _constructor = constructor; | ||
| _prototype = prototype; | ||
| PrototypeObject = new AsyncGeneratorPrototype(engine, this, iteratorPrototype); | ||
| } | ||
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| public AsyncGeneratorPrototype PrototypeObject { get; } | ||
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| protected override void Initialize() | ||
| { | ||
| var properties = new PropertyDictionary(2, checkExistingKeys: false) | ||
| { | ||
| [KnownKeys.Constructor] = new PropertyDescriptor(_constructor, PropertyFlag.Configurable), | ||
| [KnownKeys.Prototype] = new PropertyDescriptor(PrototypeObject, PropertyFlag.Configurable) | ||
| }; | ||
| SetProperties(properties); | ||
| var symbols = new SymbolDictionary(1) | ||
| { | ||
| [GlobalSymbolRegistry.ToStringTag] = new PropertyDescriptor("AsyncGeneratorFunction", PropertyFlag.Configurable) | ||
| }; | ||
| SetSymbols(symbols); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| using Jint.Collections; | ||
| using Jint.Native.Iterator; | ||
| using Jint.Native.Object; | ||
| using Jint.Native.Symbol; | ||
| using Jint.Runtime; | ||
| using Jint.Runtime.Descriptors; | ||
| using Jint.Runtime.Interop; | ||
|
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| namespace Jint.Native.Generator; | ||
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-asyncgenerator-objects | ||
| /// </summary> | ||
| internal sealed class AsyncGeneratorPrototype : ObjectInstance | ||
| { | ||
| private readonly AsyncGeneratorFunctionPrototype _constructor; | ||
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| internal AsyncGeneratorPrototype( | ||
| Engine engine, | ||
| AsyncGeneratorFunctionPrototype constructor, | ||
| IteratorPrototype iteratorPrototype) : base(engine) | ||
| { | ||
| _constructor = constructor; | ||
| _prototype = iteratorPrototype; | ||
| } | ||
|
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| protected override void Initialize() | ||
| { | ||
| const PropertyFlag PropertyFlags = PropertyFlag.Configurable | PropertyFlag.Writable; | ||
| const PropertyFlag LengthFlags = PropertyFlag.Configurable; | ||
| var properties = new PropertyDictionary(4, false) | ||
| { | ||
| ["constructor"] = new(_constructor, PropertyFlag.Configurable), | ||
| ["next"] = new(new ClrFunction(Engine, "next", Next, 1, LengthFlags), PropertyFlags), | ||
| ["return"] = new(new ClrFunction(Engine, "return", Return, 1, LengthFlags), PropertyFlags), | ||
| ["throw"] = new(new ClrFunction(Engine, "throw", Throw, 1, LengthFlags), PropertyFlags) | ||
| }; | ||
| SetProperties(properties); | ||
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| var symbols = new SymbolDictionary(1) | ||
| { | ||
| [GlobalSymbolRegistry.ToStringTag] = new("Generator", PropertyFlag.Configurable) | ||
| }; | ||
| SetSymbols(symbols); | ||
| } | ||
|
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-generator.prototype.next | ||
| /// </summary> | ||
| private ObjectInstance Next(JsValue thisObject, JsValue[] arguments) | ||
| { | ||
| var g = AssertGeneratorInstance(thisObject); | ||
| var value = arguments.At(0, null!); | ||
| return g.GeneratorResume(value, null); | ||
| } | ||
|
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-generator.prototype.return | ||
| /// </summary> | ||
| private JsValue Return(JsValue thisObject, JsValue[] arguments) | ||
| { | ||
| var g = AssertGeneratorInstance(thisObject); | ||
| var value = arguments.At(0); | ||
| var C = new Completion(CompletionType.Return, value, null!); | ||
| return g.GeneratorResumeAbrupt(C, null); | ||
| } | ||
|
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| /// <summary> | ||
| /// https://tc39.es/ecma262/#sec-generator.prototype.throw | ||
| /// </summary> | ||
| private JsValue Throw(JsValue thisObject, JsValue[] arguments) | ||
| { | ||
| var g = AssertGeneratorInstance(thisObject); | ||
| var exception = arguments.At(0); | ||
| var C = new Completion(CompletionType.Throw, exception, null!); | ||
| return g.GeneratorResumeAbrupt(C, null); | ||
| } | ||
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| private GeneratorInstance AssertGeneratorInstance(JsValue thisObj) | ||
| { | ||
| var generatorInstance = thisObj as GeneratorInstance; | ||
| if (generatorInstance is null) | ||
| { | ||
| ExceptionHelper.ThrowTypeError(_engine.Realm, "object must be a Generator instance"); | ||
| } | ||
|
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| return generatorInstance; | ||
| } | ||
| } |
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