Tim Starling
57 linhas
2.0 KiB
C++
57 linhas
2.0 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#ifndef incl_HPHP_LIVE_DICT_H_
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#define incl_HPHP_LIVE_DICT_H_
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#include "hphp/compiler/analysis/dictionary.h"
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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//DECLARE_BOOST_TYPES(Type);
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class LiveDict : public Dictionary {
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public:
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explicit LiveDict(AliasManager &am) : Dictionary(am) {}
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/* Building the dictionary */
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void build(MethodStatementPtr m);
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void visit(ExpressionPtr e);
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/* Computing the attributes */
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void beginBlock(ControlBlock *b);
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void endBlock(ControlBlock *b);
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void updateAccess(ExpressionPtr e);
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void updateParams();
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void buildConflicts();
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bool color(TypePtr type);
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void coalesce(MethodStatementPtr m);
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bool shrinkWrap();
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private:
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void addConflicts(size_t width, BitOps::Bits *live, BitOps::Bits *dying);
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ExpressionPtr m_refs;
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BitOps::Bits *m_dying;
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bool m_getVars;
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bool m_coalesce;
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BitSetVec m_conflicts;
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std::map<int,int> m_remap;
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};
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // incl_HPHP_LIVE_DICT_H_
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