/* * Copyright (C) 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if ENABLE(B3_JIT) #include "B3SwitchCase.h" namespace JSC { namespace B3 { class BasicBlock; class SwitchValue; // NOTE: You'll always want to include B3CaseCollectionInlines.h when you use this. class CaseCollection { public: CaseCollection() { } CaseCollection(const SwitchValue* terminal, const BasicBlock* owner) : m_switch(terminal) , m_owner(owner) { } const FrequentedBlock& fallThrough() const; unsigned size() const; SwitchCase at(unsigned index) const; SwitchCase operator[](unsigned index) const { return at(index); } class iterator { public: iterator() : m_collection(nullptr) , m_index(0) { } iterator(const CaseCollection& collection, unsigned index) : m_collection(&collection) , m_index(index) { } SwitchCase operator*() { return m_collection->at(m_index); } iterator& operator++() { m_index++; return *this; } bool operator==(const iterator& other) const { ASSERT(m_collection == other.m_collection); return m_index == other.m_index; } bool operator!=(const iterator& other) const { return !(*this == other); } private: const CaseCollection* m_collection; unsigned m_index; }; typedef iterator const_iterator; iterator begin() const { return iterator(*this, 0); } iterator end() const { return iterator(*this, size()); } void dump(PrintStream&) const; private: const SwitchValue* m_switch { nullptr }; const BasicBlock* m_owner { nullptr }; }; } } // namespace JSC::B3 #endif // ENABLE(B3_JIT)