com.caucho.quercus.expr.TraitParentClassMethodExpr Maven / Gradle / Ivy
/*
* Copyright (c) 1998-2013 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 Nam Nguyen
*/
package com.caucho.quercus.expr;
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.StringValue;
import com.caucho.quercus.env.Value;
/**
* A parent::bar(...) method call expression.
*/
public class TraitParentClassMethodExpr extends AbstractMethodExpr {
protected final String _traitName;
protected final StringValue _methodName;
protected final int _hash;
protected final Expr []_args;
protected boolean _isMethod;
public TraitParentClassMethodExpr(Location location,
String traitName,
StringValue methodName,
ArrayList args)
{
super(location);
_traitName = traitName;
_methodName = methodName;
_hash = _methodName.hashCodeCaseInsensitive();
_args = new Expr[args.size()];
args.toArray(_args);
}
public TraitParentClassMethodExpr(Location location,
String traitName,
StringValue methodName,
Expr []args)
{
super(location);
_traitName = traitName;
_methodName = methodName;
_hash = _methodName.hashCodeCaseInsensitive();
_args = args;
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
QuercusClass cls = env.getThis().getQuercusClass();
QuercusClass parent = cls.getTraitParent(env, _traitName);
Value []values = evalArgs(env, _args);
Value oldThis = env.getThis();
// XXX: 2013-03-14 nam: ugly, ugly, clean this up
// php/09qe
Value qThis = oldThis;
/*
if (oldThis.isNull()) {
qThis = cl;
env.setThis(qThis);
}
else
qThis = oldThis;
*/
// php/024b
// qThis = cl;
env.pushCall(this, parent, values);
// QuercusClass oldClass = env.setCallingClass(cl);
try {
env.checkTimeout();
return parent.callStaticMethod(env, qThis, _methodName, _hash, values);
} finally {
env.popCall();
env.setThis(oldThis);
// env.setCallingClass(oldClass);
}
}
public String toString()
{
return "parent::" + _methodName + "()";
}
}