e8519156bc
The three major changes are:
- Parsing parameters, the function body, and then the full assembled
function source all separately. This is required by the spec, as
function parameters and body must be valid each on their own, which
cannot be guaranteed if we only ever parse the full function.
- Returning an ECMAScriptFunctionObject instead of a FunctionExpression
that needs to be evaluated separately. This vastly simplifies the
{Async,AsyncGenerator,Generator,}Function constructor implementations.
Drop '_node' from the function name accordingly.
- The prototype is now determined via GetPrototypeFromConstructor and
passed to OrdinaryFunctionCreate.
31 lines
930 B
C++
31 lines
930 B
C++
/*
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* Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Runtime/FunctionKind.h>
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#include <LibJS/Runtime/NativeFunction.h>
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namespace JS {
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class FunctionConstructor final : public NativeFunction {
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JS_OBJECT(FunctionConstructor, NativeFunction);
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public:
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static ThrowCompletionOr<ECMAScriptFunctionObject*> create_dynamic_function(GlobalObject& global_object, FunctionObject& constructor, FunctionObject* new_target, FunctionKind kind, MarkedValueList const& args);
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explicit FunctionConstructor(GlobalObject&);
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virtual void initialize(GlobalObject&) override;
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virtual ~FunctionConstructor() override;
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virtual ThrowCompletionOr<Value> call() override;
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virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;
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private:
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virtual bool has_constructor() const override { return true; }
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};
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}
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