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LibJS: Add support for async functions

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This commit adds support for the most bare bones version of async
functions, support for async generator functions, async arrow functions
and await expressions are TODO.
This commit is contained in:
Idan Horowitz 2021-11-09 20:39:22 +02:00 • committed by Linus Groh
parent 05c3320da3
commit 681787de76
17 changed files with 399 additions and 36 deletions
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29
Userland/Libraries/LibJS/Runtime/AsyncFunctionConstructor.h Normal file
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/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/AST.h>
#include <LibJS/Runtime/NativeFunction.h>
namespace JS {
class AsyncFunctionConstructor final : public NativeFunction {
JS_OBJECT(AsyncFunctionConstructor, NativeFunction);
public:
explicit AsyncFunctionConstructor(GlobalObject&);
virtual void initialize(GlobalObject&) override;
virtual ~AsyncFunctionConstructor() override = default;
virtual ThrowCompletionOr<Value> call() override;
virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;
private:
virtual bool has_constructor() const override { return true; }
};
}