net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/QualifiedSuperReference.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.compiler.ast;
  12
  13 import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
  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                 if ((this.bits & ParenthesizedMASK) != 0) {
  36                         scope.problemReporter().invalidParenthesizedExpression(this);
  37                         return null;
  38                 }
  39                 super.resolveType(scope);
  40                 if (currentCompatibleType == null)
  41                         return null; // error case
  42
  43                 if (scope.isJavaLangObject(currentCompatibleType)) {
  44                         scope.problemReporter().cannotUseSuperInJavaLangObject(this);
  45                         return null;
  46                 }
  47                 return this.resolvedType = currentCompatibleType.superclass();
  48         }
  49
  50         public String toStringExpression() {
  51
  52                 return qualification.toString(0) + ".super"; //$NON-NLS-1$
  53         }
  54
  55         public void traverse(
  56             ASTVisitor visitor,
  57                 BlockScope blockScope) {
  58
  59                 if (visitor.visit(this, blockScope)) {
  60                         qualification.traverse(visitor, blockScope);
  61                 }
  62                 visitor.endVisit(this, blockScope);
  63         }
  64 }