/*
* Copyright (c) 1998-2011 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 java.io.IOException;
import java.util.ArrayList;
import com.caucho.quercus.Location;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.QuercusClass;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.parser.QuercusParser;
import com.caucho.util.L10N;
/**
* Represents a PHP parent::FOO constant call expression.
*/
public class ClassConstExpr extends Expr {
private static final L10N L = new L10N(ClassMethodExpr.class);
protected final String _className;
protected final String _name;
public ClassConstExpr(Location location, String className, String name)
{
super(location);
_className = className.intern();
_name = name.intern();
}
public ClassConstExpr(String className, String name)
{
_className = className.intern();
_name = name.intern();
}
//
// function call creation
//
/**
* Creates a function call expression
*/
@Override
public Expr createCall(QuercusParser parser,
Location location,
ArrayList<Expr> args)
throws IOException
{
/*
if (_className.equals(_name))
return factory.createClassConstructor(location, _className, _name, args);
else
return factory.createClassMethodCall(location, _className, _name, args);
*/
ExprFactory factory = parser.getExprFactory();
return factory.createClassMethodCall(location, _className, _name, args);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
@Override
public Value eval(Env env)
{
return env.getClass(_className).getConstant(env, _name);
}
public String toString()
{
return _className + "::" + _name;
}
}