/*
* 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.program;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.function.AbstractFunction;
import com.caucho.util.L10N;
/**
* Represents an undefined
*/
public class UndefinedFunction extends AbstractFunction {
private static final L10N L = new L10N(UndefinedFunction.class);
private final int _id;
private final String _name;
private final int _globalId;
public UndefinedFunction(int id, String name, int globalId) {
_id = id;
_name = name;
_globalId = globalId;
}
@Override
public String getName() {
return _name;
}
/**
* Evaluates the function.
*/
@Override
public Value call(Env env, Value[] args) {
if (_globalId > 0) {
AbstractFunction fun = env._fun[_globalId];
env._fun[_id] = fun;
return fun.call(env, args);
}
return env.error(L.l("'{0}' is an unknown function.", _name));
}
@Override
public String toString() {
return "UndefinedFunction[" + _name + "]";
}
}