Jordan DeLong
74 linhas
2.7 KiB
C++
74 linhas
2.7 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- 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_ARRAY_ELEMENT_EXPRESSION_H_
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#define incl_HPHP_ARRAY_ELEMENT_EXPRESSION_H_
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#include <compiler/expression/expression.h>
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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DECLARE_BOOST_TYPES(ArrayElementExpression);
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class ArrayElementExpression : public Expression,
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public LocalEffectsContainer {
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public:
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ArrayElementExpression(EXPRESSION_CONSTRUCTOR_PARAMETERS,
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ExpressionPtr variable, ExpressionPtr offset);
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DECLARE_EXPRESSION_VIRTUAL_FUNCTIONS;
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DECL_AND_IMPL_LOCAL_EFFECTS_METHODS;
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ExpressionPtr preOptimize(AnalysisResultConstPtr ar);
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ExpressionPtr postOptimize(AnalysisResultConstPtr ar);
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virtual bool isRefable(bool checkError = false) const { return true;}
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bool isTemporary() const;
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ExpressionPtr getVariable() const { return m_variable;}
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ExpressionPtr getOffset() const { return m_offset;}
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virtual void setContext(Context context);
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virtual void clearContext(Context context);
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bool isSuperGlobal() const { return m_global;}
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bool isDynamicGlobal() const { return m_dynamicGlobal;}
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const std::string &getGlobalName() const { return m_globalName;}
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ExpressionPtr unneeded();
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/**
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* This is purely for resolving a nasty case of intepreting
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* self::$a[1][2] correctly.
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*/
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bool appendClass(ExpressionPtr cls,
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AnalysisResultConstPtr ar, FileScopePtr file);
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virtual bool canonCompare(ExpressionPtr e) const;
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private:
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ExpressionPtr m_variable;
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ExpressionPtr m_offset;
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bool m_global;
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bool m_dynamicGlobal;
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std::string m_globalName;
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std::string m_text;
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};
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // incl_HPHP_ARRAY_ELEMENT_EXPRESSION_H_
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