/*
* Copyright (c) 1998-2008 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.NullValue;
import com.caucho.quercus.env.QuercusClass;
import com.caucho.quercus.env.Value;
import java.util.ArrayList;
/**
* Represents a PHP function expression of the form "new $a()".
*/
public class VarNewExpr extends Expr {
protected final Expr _name;
protected final Expr []_args;
protected Expr []_fullArgs;
public VarNewExpr(Location location, Expr name, ArrayList<Expr> args)
{
super(location);
_name = name;
_args = new Expr[args.size()];
args.toArray(_args);
}
public VarNewExpr(Location location, Expr name, Expr []args)
{
super(location);
_name = name;
_args = args;
}
public VarNewExpr(Expr name, ArrayList<Expr> args)
{
this(Location.UNKNOWN, name, args);
}
public VarNewExpr(Expr name, Expr []args)
{
this(Location.UNKNOWN, name, args);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
String name = _name.evalString(env).intern();
QuercusClass cl = env.findAbstractClass(name);
_fullArgs = _args;
Value []args = new Value[_args.length];
for (int i = 0; i < args.length; i++) {
args[i] = _args[i].eval(env);
}
env.pushCall(this, NullValue.NULL, args);
try {
env.checkTimeout();
return cl.callNew(env, args);
} finally {
env.popCall();
}
}
public String toString()
{
return _name + "()";
}
}