/*
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * The Initial Developer of this code is David Baum.
 * Portions created by David Baum are Copyright (C) 1999 David Baum.
 * All Rights Reserved.
 *
 * Portions created by John Hansen are Copyright (C) 2005 John Hansen.
 * All Rights Reserved.
 *
 */

#ifndef __UnaryExpr_h
#define __UnaryExpr_h

#include "NodeExpr.h"

class UnaryExpr : public NodeExpr
{
public:
	UnaryExpr(int op, Expr *e) : NodeExpr(e), fOp(op) {}

	virtual bool		Evaluate(int &value) const;
	virtual Expr*		Clone(Mapping *b) const;

	virtual RCX_Value	EmitAny_(Bytecode &b) const;
	virtual bool		EmitTo_(Bytecode &b, int dst) const;
	virtual bool		EmitSide_(Bytecode &b) const;

	static bool	        NeedsConstant(int op);

private:
	int	fOp;
};


#endif
