mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
/*
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* Copyright (C) 2016 Apple Inc. 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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (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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#pragma once
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#if ENABLE(B3_JIT)
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#include "B3SwitchCase.h"
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namespace JSC { namespace B3 {
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class BasicBlock;
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class SwitchValue;
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// NOTE: You'll always want to include B3CaseCollectionInlines.h when you use this.
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class CaseCollection {
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public:
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CaseCollection()
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{
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}
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CaseCollection(const SwitchValue* terminal, const BasicBlock* owner)
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: m_switch(terminal)
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, m_owner(owner)
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{
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}
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const FrequentedBlock& fallThrough() const;
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unsigned size() const;
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SwitchCase at(unsigned index) const;
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SwitchCase operator[](unsigned index) const
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{
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return at(index);
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}
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class iterator {
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public:
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iterator()
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: m_collection(nullptr)
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, m_index(0)
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{
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}
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iterator(const CaseCollection& collection, unsigned index)
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: m_collection(&collection)
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, m_index(index)
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{
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}
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SwitchCase operator*()
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{
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return m_collection->at(m_index);
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}
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iterator& operator++()
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{
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m_index++;
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return *this;
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}
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bool operator==(const iterator& other) const
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{
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ASSERT(m_collection == other.m_collection);
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return m_index == other.m_index;
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}
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bool operator!=(const iterator& other) const
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{
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return !(*this == other);
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}
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private:
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const CaseCollection* m_collection;
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unsigned m_index;
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};
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typedef iterator const_iterator;
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iterator begin() const { return iterator(*this, 0); }
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iterator end() const { return iterator(*this, size()); }
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void dump(PrintStream&) const;
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private:
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const SwitchValue* m_switch { nullptr };
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const BasicBlock* m_owner { nullptr };
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};
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} } // namespace JSC::B3
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#endif // ENABLE(B3_JIT)
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