src/org/eclipse/jdt/internal/compiler/ast/QualifiedSuperReference.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.compiler.ast;
  12
  13 import org.eclipse.jdt.internal.compiler.ASTVisitor;
  14 import org.eclipse.jdt.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 StringBuffer printExpression(int indent, StringBuffer output) {
  33
  34                 return qualification.print(0, output).append(".super"); //$NON-NLS-1$
  35         }
  36
  37         public TypeBinding resolveType(BlockScope scope) {
  38
  39                 if ((this.bits & ParenthesizedMASK) != 0) {
  40                         scope.problemReporter().invalidParenthesizedExpression(this);
  41                         return null;
  42                 }
  43                 super.resolveType(scope);
  44                 if (currentCompatibleType == null)
  45                         return null; // error case
  46
  47                 if (currentCompatibleType.id == T_Object) {
  48                         scope.problemReporter().cannotUseSuperInJavaLangObject(this);
  49                         return null;
  50                 }
  51                 return this.resolvedType = currentCompatibleType.superclass();
  52         }
  53
  54         public void traverse(
  55                 ASTVisitor visitor,
  56                 BlockScope blockScope) {
  57
  58                 if (visitor.visit(this, blockScope)) {
  59                         qualification.traverse(visitor, blockScope);
  60                 }
  61                 visitor.endVisit(this, blockScope);
  62         }
  63 }