/*
* 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 com.caucho.quercus.env.StringValue;
import com.caucho.quercus.parser.QuercusParser;
import com.caucho.quercus.function.AbstractFunction;
import com.caucho.util.L10N;
import java.util.ArrayList;
/**
* Represents a PHP static method expression.
*/
public class LateStaticBindingStaticVarMethodExpr extends Expr {
private static final L10N L
= new L10N(LateStaticBindingStaticMethodExpr.class);
protected final Expr _nameExpr;
protected final Expr []_args;
protected Expr []_fullArgs;
protected AbstractFunction _fun;
protected boolean _isMethod;
public LateStaticBindingStaticVarMethodExpr(Location location,
Expr nameExpr,
ArrayList<Expr> args)
{
super(location);
_nameExpr = nameExpr;
_args = new Expr[args.size()];
args.toArray(_args);
}
public LateStaticBindingStaticVarMethodExpr(Location location,
Expr nameExpr,
Expr []args)
{
super(location);
_nameExpr = nameExpr;
_args = args;
}
public LateStaticBindingStaticVarMethodExpr(Expr nameExpr,
ArrayList<Expr> args)
{
this(Location.UNKNOWN, nameExpr, args);
}
public LateStaticBindingStaticVarMethodExpr(Expr nameExpr, Expr []args)
{
this(Location.UNKNOWN, nameExpr, args);
}
/**
* Returns the reference of the value.
* @param location
*/
@Override
public Expr createRef(QuercusParser parser)
{
return parser.getFactory().createRef(this);
}
/**
* Returns the copy of the value.
* @param location
*/
@Override
public Expr createCopy(ExprFactory factory)
{
return factory.createCopy(this);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
QuercusClass cl = env.getCallingClass();
if (cl == null) {
env.error(getLocation(), L.l("no calling class found"));
return NullValue.NULL;
}
Value thisValue = env.getThis();
StringValue methodName = _nameExpr.evalStringValue(env);
return cl.callMethod(env, thisValue, methodName, _args);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value evalRef(Env env)
{
QuercusClass cl = env.getCallingClass();
if (cl == null) {
env.error(getLocation(), L.l("no calling class found"));
return NullValue.NULL;
}
// qa/0954 - what appears to be a static call may be a call to a super constructor
Value thisValue = env.getThis();
StringValue methodName = _nameExpr.evalStringValue(env);
return cl.callMethodRef(env, thisValue, methodName, _args);
}
public String toString()
{
return _nameExpr + "()";
}
}