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   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.*;
  15
  16 public class QualifiedSuperReference extends QualifiedThisReference {
  17
  18         public QualifiedSuperReference(TypeReference name, int pos, int sourceEnd) {
  19                 super(name, pos, sourceEnd);
  20         }
  21
  22         public boolean isSuper() {
  23
  24                 return true;
  25         }
  26
  27         public boolean isThis() {
  28
  29                 return false;
  30         }
  31
  32         public TypeBinding resolveType(BlockScope scope) {
  33
  34                 super.resolveType(scope);
  35                 if (currentCompatibleType == null)
  36                         return null; // error case
  37
  38                 if (scope.isJavaLangObject(currentCompatibleType)) {
  39                         scope.problemReporter().cannotUseSuperInJavaLangObject(this);
  40                         return null;
  41                 }
  42                 return currentCompatibleType.superclass();
  43         }
  44
  45         public String toStringExpression() {
  46
  47                 return qualification.toString(0) + ".super"; //$NON-NLS-1$
  48         }
  49
  50         public void traverse(
  51                 IAbstractSyntaxTreeVisitor visitor,
  52                 BlockScope blockScope) {
  53
  54                 if (visitor.visit(this, blockScope)) {
  55                         qualification.traverse(visitor, blockScope);
  56                 }
  57                 visitor.endVisit(this, blockScope);
  58         }
  59 }