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45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, 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/FunctionObject.h>
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#include <LibJS/Runtime/Realm.h>
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namespace JS {
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class JS_API WrappedFunction final : public FunctionObject {
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JS_OBJECT(WrappedFunction, FunctionObject);
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GC_DECLARE_ALLOCATOR(WrappedFunction);
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public:
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static ThrowCompletionOr<GC::Ref<WrappedFunction>> create(Realm&, Realm& caller_realm, FunctionObject& target_function);
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virtual ~WrappedFunction() = default;
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virtual ThrowCompletionOr<Value> internal_call(ExecutionContext&, Value this_argument) override;
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virtual Realm* realm() const override { return m_realm; }
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FunctionObject const& wrapped_target_function() const { return m_wrapped_target_function; }
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FunctionObject& wrapped_target_function() { return m_wrapped_target_function; }
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virtual ThrowCompletionOr<void> get_stack_frame_size(size_t& registers_and_constants_and_locals_count, size_t& argument_count) override;
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private:
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WrappedFunction(Realm&, FunctionObject&, Object& prototype);
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virtual void visit_edges(Visitor&) override;
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// Internal Slots of Wrapped Function Exotic Objects, https://tc39.es/proposal-shadowrealm/#table-internal-slots-of-wrapped-function-exotic-objects
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GC::Ref<FunctionObject> m_wrapped_target_function; // [[WrappedTargetFunction]]
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GC::Ref<Realm> m_realm; // [[Realm]]
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};
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ThrowCompletionOr<Value> ordinary_wrapped_function_call(WrappedFunction&, Value this_argument, Span<Value> arguments_list);
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void prepare_for_wrapped_function_call(WrappedFunction&, ExecutionContext& callee_context);
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}
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