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https://github.com/LadybirdBrowser/ladybird.git
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a007b3c379
Each call frame now knows whether it's executing in strict mode. It's no longer necessary to access the scope stack to find this mode.
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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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/GlobalObject.h>
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#include <LibJS/Runtime/LexicalEnvironment.h>
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#include <LibJS/Runtime/NativeFunction.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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NativeFunction* NativeFunction::create(GlobalObject& global_object, const FlyString& name, AK::Function<Value(VM&, GlobalObject&)> function)
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{
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return global_object.heap().allocate<NativeFunction>(global_object, name, move(function), *global_object.function_prototype());
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}
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NativeFunction::NativeFunction(Object& prototype)
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: Function(prototype)
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{
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}
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NativeFunction::NativeFunction(const FlyString& name, AK::Function<Value(VM&, GlobalObject&)> native_function, Object& prototype)
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: Function(prototype)
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, m_name(name)
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, m_native_function(move(native_function))
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{
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}
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NativeFunction::NativeFunction(const FlyString& name, Object& prototype)
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: Function(prototype)
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, m_name(name)
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{
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}
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NativeFunction::~NativeFunction()
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{
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}
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Value NativeFunction::call()
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{
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return m_native_function(vm(), global_object());
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}
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Value NativeFunction::construct(Function&)
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{
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return {};
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}
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LexicalEnvironment* NativeFunction::create_environment()
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{
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return heap().allocate<LexicalEnvironment>(global_object(), LexicalEnvironment::EnvironmentRecordType::Function);
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}
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bool NativeFunction::is_strict_mode() const
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{
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return vm().in_strict_mode();
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}
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}
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