net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/SuperReference.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.IAbstractSyntaxTreeVisitor;
  14 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  15 import net.sourceforge.phpdt.internal.compiler.lookup.SourceTypeBinding;
  16 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  17
  18 public class SuperReference extends ThisReference {
  19
  20 public SuperReference(int sourceStart, int sourceEnd) {
  21         super(sourceStart, sourceEnd);
  22 }
  23 public static ExplicitConstructorCall implicitSuperConstructorCall() {
  24         return new ExplicitConstructorCall(ExplicitConstructorCall.ImplicitSuper);
  25 }
  26 public boolean isImplicitThis() {
  27
  28         return false;
  29 }
  30 public boolean isSuper() {
  31
  32         return true;
  33 }
  34 public boolean isThis() {
  35
  36         return false ;
  37 }
  38 public TypeBinding resolveType(BlockScope scope) {
  39         constant = NotAConstant;
  40         if (!checkAccess(scope.methodScope()))
  41                 return null;
  42         SourceTypeBinding enclosingTb = scope.enclosingSourceType();
  43         if (scope.isJavaLangObject(enclosingTb)) {
  44                 scope.problemReporter().cannotUseSuperInJavaLangObject(this);
  45                 return null;
  46         }
  47         return this.resolvedType = enclosingTb.superclass;
  48 }
  49 public String toStringExpression(){
  50
  51         return "super"; //$NON-NLS-1$
  52
  53 }
  54 public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope blockScope) {
  55         visitor.visit(this, blockScope);
  56         visitor.endVisit(this, blockScope);
  57 }
  58 }