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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.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 }