/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.expr;
import com.caucho.quercus.Location;
import com.caucho.quercus.env.BooleanValue;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
/**
* Represents a PHP comparison expression.
*/
public class BinaryLeqExpr extends AbstractBinaryExpr {
public BinaryLeqExpr(Location location, Expr left, Expr right) {
super(location, left, right);
}
public BinaryLeqExpr(Expr left, Expr right) {
super(left, right);
}
/**
* Returns true for a boolean.
*/
@Override
public boolean isBoolean() {
return true;
}
/**
* Evaluates the equality as a boolean.
*/
@Override
public Value eval(Env env) {
return evalBoolean(env) ? BooleanValue.TRUE : BooleanValue.FALSE;
}
/**
* Evaluates the equality as a boolean.
*/
@Override
public boolean evalBoolean(Env env) {
Value lValue = _left.eval(env);
Value rValue = _right.eval(env);
return lValue.leq(rValue);
}
@Override
public String toString() {
return "(" + _left + " <= " + _right + ")";
}
}