mirror of
https://github.com/RGBCube/serenity
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98f2da9834
The GC heap is really a graph of cells, so "children" didn't quite feel appropriate here.
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibJS/Runtime/BoundFunction.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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BoundFunction::BoundFunction(GlobalObject& global_object, Function& target_function, Value bound_this, Vector<Value> arguments, i32 length, Object* constructor_prototype)
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: Function::Function(*global_object.function_prototype(), bound_this, move(arguments))
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, m_target_function(&target_function)
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, m_constructor_prototype(constructor_prototype)
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, m_name(String::formatted("bound {}", target_function.name()))
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, m_length(length)
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{
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}
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void BoundFunction::initialize(GlobalObject& global_object)
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{
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auto& vm = this->vm();
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Function::initialize(global_object);
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define_property(vm.names.length, Value(m_length), Attribute::Configurable);
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}
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BoundFunction::~BoundFunction()
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{
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}
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Value BoundFunction::call()
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{
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return m_target_function->call();
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}
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Value BoundFunction::construct(Function& new_target)
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{
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if (auto this_value = vm().this_value(global_object()); m_constructor_prototype && this_value.is_object()) {
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this_value.as_object().set_prototype(m_constructor_prototype);
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if (vm().exception())
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return {};
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}
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return m_target_function->construct(new_target);
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}
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LexicalEnvironment* BoundFunction::create_environment()
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{
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return m_target_function->create_environment();
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}
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void BoundFunction::visit_edges(Visitor& visitor)
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{
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Function::visit_edges(visitor);
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visitor.visit(m_target_function);
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visitor.visit(m_constructor_prototype);
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}
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}
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