net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnSingleNameReference.java

   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.codeassist.select;
  12
  13 /*
  14  * Selection node build by the parser in any case it was intending to
  15  * reduce a single name reference containing the assist identifier.
  16  * e.g.
  17  *
  18  *      class X {
  19  *    void foo() {
  20  *      [start]ba[end]
  21  *    }
  22  *  }
  23  *
  24  *      ---> class X {
  25  *         void foo() {
  26  *           <SelectOnName:ba>
  27  *         }
  28  *       }
  29  *
  30  */
  31
  32 import net.sourceforge.phpdt.internal.compiler.ast.SingleNameReference;
  33 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  34 import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
  35 import net.sourceforge.phpdt.internal.compiler.lookup.ProblemFieldBinding;
  36 import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReasons;
  37 import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReferenceBinding;
  38 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  39
  40 public class SelectionOnSingleNameReference extends SingleNameReference {
  41 public SelectionOnSingleNameReference(char[] source, long pos) {
  42         super(source, pos);
  43 }
  44 public TypeBinding resolveType(BlockScope scope) {
  45         // it can be a package, type, member type, local variable or field
  46         binding = scope.getBinding(token, VARIABLE | TYPE | PACKAGE, this);
  47         if (!binding.isValidBinding()) {
  48                 if (binding instanceof ProblemFieldBinding) {
  49                         // tolerate some error cases
  50                         if (binding.problemId() == ProblemReasons.NotVisible
  51                                         || binding.problemId() == ProblemReasons.InheritedNameHidesEnclosingName
  52                                         || binding.problemId() == ProblemReasons.NonStaticReferenceInConstructorInvocation
  53                                         || binding.problemId() == ProblemReasons.NonStaticReferenceInStaticContext){
  54                                 throw new SelectionNodeFound(binding);
  55                         }
  56                         scope.problemReporter().invalidField(this, (FieldBinding) binding);
  57                 } else if (binding instanceof ProblemReferenceBinding) {
  58                         // tolerate some error cases
  59                         if (binding.problemId() == ProblemReasons.NotVisible){
  60                                 throw new SelectionNodeFound(binding);
  61                         }
  62                         scope.problemReporter().invalidType(this, (TypeBinding) binding);
  63                 } else {
  64                         scope.problemReporter().unresolvableReference(this, binding);
  65                 }
  66                 throw new SelectionNodeFound();
  67         }
  68
  69         throw new SelectionNodeFound(binding);
  70 }
  71 public String toStringExpression() {
  72         return "<SelectOnName:" + super.toStringExpression() + ">"; //$NON-NLS-2$ //$NON-NLS-1$
  73 }
  74 }