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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 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.Env;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.env.StringValue;
/**
* Represents a PHP function expression.
*/
abstract public class AbstractMethodExpr extends Expr {
protected AbstractMethodExpr(Location location)
{
super(location);
}
/**
* Evaluates the expression as a copy
*
* @param env the calling environment.
*
* @return the expression value.
*/
@Override
public Value evalCopy(Env env)
{
return eval(env).copy();
}
/**
* Evaluates the expression as a copy
*
* @param env the calling environment.
*
* @return the expression value.
*/
@Override
public Value evalArg(Env env, boolean isTop)
{
return eval(env).copy();
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
protected Value eval(Env env, Value qThis,
StringValue methodName, int hashCode,
Expr []argExprs)
{
Value []args = evalArgs(env, argExprs);
env.pushCall(this, qThis, args);
try {
env.checkTimeout();
return qThis.callMethod(env, methodName, hashCode, args);
} finally {
env.popCall();
}
}
}