forked from facebook/hhvm
/
constant_expression.h
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/
constant_expression.h
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/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#ifndef __EVAL_CONSTANT_EXPRESSION_H__
#define __EVAL_CONSTANT_EXPRESSION_H__
#include <runtime/eval/ast/expression.h>
namespace HPHP {
namespace Eval {
///////////////////////////////////////////////////////////////////////////////
DECLARE_AST_PTR(ConstantExpression);
class ConstantExpression : public Expression {
public:
ConstantExpression(EXPRESSION_ARGS, const std::string &constant);
virtual Variant eval(VariableEnvironment &env) const;
virtual bool evalStaticScalar(VariableEnvironment &env, Variant &r) const;
virtual void dump(std::ostream &out) const;
StringData *getName() const { return m_constant; }
private:
StringData *m_constant;
ConstantType m_type;
Variant m_value; // for StaticBuiltinConstant
};
///////////////////////////////////////////////////////////////////////////////
}
}
#endif /* __EVAL_CONSTANT_EXPRESSION_H__ */