changed name of Scanner tokens to names similar in the JDT
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / QualifiedSuperReference.java
1 /*******************************************************************************
2  * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
3  * All rights reserved. This program and the accompanying materials 
4  * are made available under the terms of the Common Public License v0.5 
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/cpl-v05.html
7  * 
8  * Contributors:
9  *     IBM Corporation - initial API and implementation
10  ******************************************************************************/
11 package net.sourceforge.phpdt.internal.compiler.ast;
12
13 import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
14 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
15 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
16
17 public class QualifiedSuperReference extends QualifiedThisReference {
18         
19         public QualifiedSuperReference(TypeReference name, int pos, int sourceEnd) {
20                 super(name, pos, sourceEnd);
21         }
22
23         public boolean isSuper() {
24
25                 return true;
26         }
27
28         public boolean isThis() {
29
30                 return false;
31         }
32
33         public TypeBinding resolveType(BlockScope scope) {
34
35                 super.resolveType(scope);
36                 if (currentCompatibleType == null)
37                         return null; // error case
38
39                 if (scope.isJavaLangObject(currentCompatibleType)) {
40                         scope.problemReporter().cannotUseSuperInJavaLangObject(this);
41                         return null;
42                 }
43                 return currentCompatibleType.superclass();
44         }
45
46         public String toStringExpression() {
47
48                 return qualification.toString(0) + ".super"; //$NON-NLS-1$
49         }
50
51         public void traverse(
52                 IAbstractSyntaxTreeVisitor visitor,
53                 BlockScope blockScope) {
54
55                 if (visitor.visit(this, blockScope)) {
56                         qualification.traverse(visitor, blockScope);
57                 }
58                 visitor.endVisit(this, blockScope);
59         }
60 }