mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* Copyright (C) 2015-2017 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 "B3BasicBlock.h"
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#include "B3Procedure.h"
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#include <wtf/IndexMap.h>
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#include <wtf/IndexSet.h>
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namespace JSC { namespace B3 {
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class CFG {
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WTF_MAKE_NONCOPYABLE(CFG);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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typedef BasicBlock* Node;
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typedef IndexSet<BasicBlock*> Set;
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template<typename T> using Map = IndexMap<BasicBlock*, T>;
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typedef Vector<BasicBlock*, 4> List;
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CFG(Procedure& proc)
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: m_proc(proc)
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{
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}
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Node root() { return m_proc[0]; }
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template<typename T>
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Map<T> newMap() { return IndexMap<JSC::B3::BasicBlock*, T>(m_proc.size()); }
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SuccessorCollection<BasicBlock, BasicBlock::SuccessorList> successors(Node node) { return node->successorBlocks(); }
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BasicBlock::PredecessorList& predecessors(Node node) { return node->predecessors(); }
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unsigned index(Node node) const { return node->index(); }
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Node node(unsigned index) const { return m_proc[index]; }
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unsigned numNodes() const { return m_proc.size(); }
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PointerDump<BasicBlock> dump(Node node) const { return pointerDump(node); }
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void dump(PrintStream& out) const
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{
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m_proc.dump(out);
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}
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private:
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Procedure& m_proc;
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};
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} } // namespace JSC::B3
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#endif // ENABLE(B3_JIT)
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