jan
c2b38ad2b1
Add a flag to {,List}AssignmentExpression that changes evaluation order
to RHS before LHS.
This will be used by YieldExpression.
61 linhas
2.1 KiB
C++
61 linhas
2.1 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 __LIST_ASSIGNMENT_H__
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#define __LIST_ASSIGNMENT_H__
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#include <compiler/expression/expression.h>
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#include <compiler/expression/simple_variable.h>
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#include <compiler/analysis/variable_table.h>
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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DECLARE_BOOST_TYPES(ExpressionList);
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DECLARE_BOOST_TYPES(ListAssignment);
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class ListAssignment : public Expression {
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public:
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enum RHSKind {
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Regular,
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Checked,
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Null
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};
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ListAssignment(EXPRESSION_CONSTRUCTOR_PARAMETERS,
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ExpressionListPtr variables, ExpressionPtr array,
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bool rhsFirst = false);
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DECLARE_EXPRESSION_VIRTUAL_FUNCTIONS;
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RHSKind getRHSKind() const { return m_rhsKind; }
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ExpressionListPtr getVariables() const { return m_variables; }
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ExpressionPtr getArray() const { return m_array; }
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bool isRhsFirst() { return m_rhsFirst; }
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private:
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ExpressionListPtr m_variables;
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ExpressionPtr m_array;
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RHSKind m_rhsKind;
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bool m_rhsFirst;
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void setLValue();
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};
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // __LIST_ASSIGNMENT_H__
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