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2ea85355fe
With the addition of symbol keys, work can now be done on starting to implement the well-known symbol functionality. The most important of these well-known symbols is by far Symbol.iterator. This patch adds IteratorPrototype, as well as ArrayIterator and ArrayIteratorPrototype. In the future, sometime after StringIterator has also been added, this will allow us to use Symbol.iterator directly in for..of loops, enabling the use of custom iterator objects. Also makes adding iterator support to native objects much easier (as will have to be done for Map and Set, when they get added).
49 lines
2 KiB
C++
49 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@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/Interpreter.h>
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#include <LibJS/Runtime/ArrayIterator.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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ArrayIterator* ArrayIterator::create(GlobalObject& global_object, Value array, Object::PropertyKind iteration_kind)
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{
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return global_object.heap().allocate<ArrayIterator>(global_object, *global_object.array_iterator_prototype(), array, iteration_kind);
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}
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ArrayIterator::ArrayIterator(Object& prototype, Value array, Object::PropertyKind iteration_kind)
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: Object(prototype)
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, m_array(array)
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, m_iteration_kind(iteration_kind)
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{
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}
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ArrayIterator::~ArrayIterator()
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{
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}
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}
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