ladybird/Libraries/LibJS/Runtime/WrappedFunction.h
2025-06-30 10:50:36 -06:00

45 lines
1.6 KiB
C++

/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/FunctionObject.h>
#include <LibJS/Runtime/Realm.h>
namespace JS {
class JS_API WrappedFunction final : public FunctionObject {
JS_OBJECT(WrappedFunction, FunctionObject);
GC_DECLARE_ALLOCATOR(WrappedFunction);
public:
static ThrowCompletionOr<GC::Ref<WrappedFunction>> create(Realm&, Realm& caller_realm, FunctionObject& target_function);
virtual ~WrappedFunction() = default;
virtual ThrowCompletionOr<Value> internal_call(ExecutionContext&, Value this_argument) override;
virtual Realm* realm() const override { return m_realm; }
FunctionObject const& wrapped_target_function() const { return m_wrapped_target_function; }
FunctionObject& wrapped_target_function() { return m_wrapped_target_function; }
virtual ThrowCompletionOr<void> get_stack_frame_size(size_t& registers_and_constants_and_locals_count, size_t& argument_count) override;
private:
WrappedFunction(Realm&, FunctionObject&, Object& prototype);
virtual void visit_edges(Visitor&) override;
// Internal Slots of Wrapped Function Exotic Objects, https://tc39.es/proposal-shadowrealm/#table-internal-slots-of-wrapped-function-exotic-objects
GC::Ref<FunctionObject> m_wrapped_target_function; // [[WrappedTargetFunction]]
GC::Ref<Realm> m_realm; // [[Realm]]
};
ThrowCompletionOr<Value> ordinary_wrapped_function_call(WrappedFunction&, Value this_argument, Span<Value> arguments_list);
void prepare_for_wrapped_function_call(WrappedFunction&, ExecutionContext& callee_context);
}