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https://github.com/LadybirdBrowser/ladybird.git
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7002c47ce1
The additional data being passed will be used in an upcoming commit. Allows splitting the churn of modified function signatures from the logically meaningful code change. No behavior change.
51 lines
2 KiB
C++
51 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
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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/Completion.h>
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#include <LibJS/Runtime/FunctionObject.h>
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namespace JS {
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class BoundFunction final : public FunctionObject {
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JS_OBJECT(BoundFunction, FunctionObject);
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GC_DECLARE_ALLOCATOR(BoundFunction);
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public:
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static ThrowCompletionOr<GC::Ref<BoundFunction>> create(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments);
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virtual ~BoundFunction() override = default;
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virtual ThrowCompletionOr<Value> internal_call(ExecutionContext&, Value this_argument) override;
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virtual ThrowCompletionOr<GC::Ref<Object>> internal_construct(ExecutionContext& arguments_list, FunctionObject& new_target) override;
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virtual bool is_strict_mode() const override { return m_bound_target_function->is_strict_mode(); }
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virtual bool has_constructor() const override { return m_bound_target_function->has_constructor(); }
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FunctionObject& bound_target_function() const { return *m_bound_target_function; }
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Value bound_this() const { return m_bound_this; }
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Vector<Value> const& bound_arguments() const { return m_bound_arguments; }
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virtual Utf16String name_for_call_stack() const override;
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private:
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BoundFunction(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments, Object* prototype);
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void get_stack_frame_info(size_t& registers_and_locals_count, ReadonlySpan<Value>& constants, size_t& argument_count) override;
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virtual void visit_edges(Visitor&) override;
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virtual bool is_bound_function() const final { return true; }
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GC::Ptr<FunctionObject> m_bound_target_function; // [[BoundTargetFunction]]
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Value m_bound_this; // [[BoundThis]]
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Vector<Value> m_bound_arguments; // [[BoundArguments]]
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};
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template<>
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inline bool Object::fast_is<BoundFunction>() const { return is_bound_function(); }
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}
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