mirror of
https://github.com/RGBCube/serenity
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14047ca432
This patch adds an "Object" constructor to the global object. The only function it implements so far is Object.getPrototypeOf().
59 lines
2.2 KiB
C++
59 lines
2.2 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 <AK/Function.h>
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/ObjectConstructor.h>
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namespace JS {
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ObjectConstructor::ObjectConstructor()
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{
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put("prototype", interpreter().object_prototype());
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put_native_function("getPrototypeOf", [this](Object*, const Vector<Value>& arguments) -> Value {
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if (arguments.size() < 1)
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return {};
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auto object = arguments[0].to_object(heap());
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if (interpreter().exception())
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return {};
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if (!object.is_object())
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return {};
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return object.as_object()->prototype();
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});
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}
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ObjectConstructor::~ObjectConstructor()
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{
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}
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Value ObjectConstructor::call(Interpreter& interpreter, const Vector<Value>&)
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{
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return interpreter.heap().allocate<Object>();
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}
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}
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