/*
* 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.Env;
import com.caucho.quercus.env.MethodIntern;
import com.caucho.quercus.env.NullValue;
import com.caucho.quercus.env.StringValue;
import com.caucho.quercus.env.QuercusClass;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.function.AbstractFunction;
import com.caucho.util.L10N;
import java.util.ArrayList;
/**
* Represents a PHP parent:: method call expression.
* XXX: better name?
*/
public class ClassVirtualMethodExpr extends Expr {
private static final L10N L = new L10N(ClassVirtualMethodExpr.class);
protected final StringValue _methodName;
private final int _hash;
protected final Expr []_args;
protected boolean _isMethod;
public ClassVirtualMethodExpr(Location location,
String methodName,
ArrayList<Expr> args)
{
super(location);
_methodName = MethodIntern.intern(methodName);
_hash = _methodName.hashCodeCaseInsensitive();
_args = new Expr[args.size()];
args.toArray(_args);
}
public ClassVirtualMethodExpr(Location location,
String name,
Expr []args)
{
super(location);
_methodName = MethodIntern.intern(name);
_hash = _methodName.hashCodeCaseInsensitive();
_args = args;
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value qThis = env.getThis();
QuercusClass cls = qThis.getQuercusClass();
if (cls == null) {
env.error(getLocation(), L.l("no calling class found"));
return NullValue.NULL;
}
Value []values = evalArgs(env, _args);
env.pushCall(this, cls, values);
try {
env.checkTimeout();
return cls.callMethod(env, qThis, _methodName, _hash, values);
} finally {
env.popCall();
}
}
public String toString()
{
return "static::" + _methodName + "()";
}
}