mirror of
https://github.com/RGBCube/serenity
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53 lines
2 KiB
C++
53 lines
2 KiB
C++
/*
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* Copyright (c) 2021, David Tuin <davidot@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/AsyncGeneratorFunctionConstructor.h>
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#include <LibJS/Runtime/ECMAScriptFunctionObject.h>
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#include <LibJS/Runtime/FunctionConstructor.h>
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#include <LibJS/Runtime/FunctionObject.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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AsyncGeneratorFunctionConstructor::AsyncGeneratorFunctionConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.AsyncGeneratorFunction.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void AsyncGeneratorFunctionConstructor::initialize(Realm& realm)
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{
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auto& vm = this->vm();
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Base::initialize(realm);
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// 27.4.2.1 AsyncGeneratorFunction.length, https://tc39.es/ecma262/#sec-asyncgeneratorfunction-length
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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// 27.4.2.2 AsyncGeneratorFunction.prototype, https://tc39.es/ecma262/#sec-asyncgeneratorfunction-prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().async_generator_function_prototype(), 0);
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}
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// 27.4.1.1 AsyncGeneratorFunction ( p1, p2, … , pn, body ), https://tc39.es/ecma262/#sec-asyncgeneratorfunction
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ThrowCompletionOr<Value> AsyncGeneratorFunctionConstructor::call()
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{
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return TRY(construct(*this));
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}
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// 27.4.1.1 AsyncGeneratorFunction ( p1, p2, … , pn, body ), https://tc39.es/ecma262/#sec-asyncgeneratorfunction
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ThrowCompletionOr<NonnullGCPtr<Object>> AsyncGeneratorFunctionConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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// 1. Let C be the active function object.
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auto* constructor = vm.active_function_object();
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// 2. Let args be the argumentsList that was passed to this function by [[Call]] or [[Construct]].
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auto& args = vm.running_execution_context().arguments;
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// 3. Return ? CreateDynamicFunction(C, NewTarget, asyncGenerator, args).
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return *TRY(FunctionConstructor::create_dynamic_function(vm, *constructor, &new_target, FunctionKind::AsyncGenerator, args));
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}
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}
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