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/*
* Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/BoundFunction.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
BoundFunction::BoundFunction(GlobalObject& global_object, Function& target_function, Value bound_this, Vector<Value> arguments, i32 length, Object* constructor_prototype)
: Function::Function(bound_this, move(arguments), *global_object.function_prototype())
, m_target_function(&target_function)
, m_constructor_prototype(constructor_prototype)
, m_name(String::formatted("bound {}", target_function.name()))
, m_length(length)
{
}
void BoundFunction::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
Function::initialize(global_object);
define_property(vm.names.length, Value(m_length), Attribute::Configurable);
}
BoundFunction::~BoundFunction()
{
}
Value BoundFunction::call()
{
return m_target_function->call();
}
Value BoundFunction::construct(Function& new_target)
{
if (auto this_value = vm().this_value(global_object()); m_constructor_prototype && this_value.is_object()) {
this_value.as_object().set_prototype(m_constructor_prototype);
if (vm().exception())
return {};
}
return m_target_function->construct(new_target);
}
LexicalEnvironment* BoundFunction::create_environment()
{
return m_target_function->create_environment();
}
void BoundFunction::visit_edges(Visitor& visitor)
{
Function::visit_edges(visitor);
visitor.visit(m_target_function);
visitor.visit(m_constructor_prototype);
}
}
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