net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/complete/CompletionOnQualifiedAllocationExpression.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.complete;
  12
  13 /*
  14  * Completion node build by the parser in any case it was intending to
  15  * reduce an allocation expression containing the cursor.
  16  * If the allocation expression is not qualified, the enclosingInstance field
  17  * is null.
  18  * e.g.
  19  *
  20  *      class X {
  21  *    void foo() {
  22  *      new Bar(1, 2, [cursor]
  23  *    }
  24  *  }
  25  *
  26  *      ---> class X {
  27  *         void foo() {
  28  *           <CompleteOnAllocationExpression:new Bar(1, 2)>
  29  *         }
  30  *       }
  31  *
  32  * The source range is always of length 0.
  33  * The arguments of the allocation expression are all the arguments defined
  34  * before the cursor.
  35  */
  36
  37 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedAllocationExpression;
  38 import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference;
  39 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  40 import net.sourceforge.phpdt.internal.compiler.lookup.ReferenceBinding;
  41 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  42
  43 public class CompletionOnQualifiedAllocationExpression extends QualifiedAllocationExpression {
  44 public TypeBinding resolveType(BlockScope scope) {
  45         TypeBinding typeBinding = null;
  46         if (enclosingInstance != null) {
  47                 TypeBinding enclosingType = enclosingInstance.resolveType(scope);
  48                 if (!(enclosingType instanceof ReferenceBinding)) {
  49                         scope.problemReporter().illegalPrimitiveOrArrayTypeForEnclosingInstance(enclosingType, enclosingInstance);
  50                         throw new CompletionNodeFound();
  51                 }
  52                 typeBinding = ((SingleTypeReference) type).resolveTypeEnclosing(scope, (ReferenceBinding) enclosingType);
  53                 if (!(typeBinding instanceof ReferenceBinding))
  54                         throw new CompletionNodeFound(); // no need to continue if its an array or base type
  55                 if (typeBinding.isInterface()) // handle the anonymous class definition case
  56                         typeBinding = scope.getJavaLangObject();
  57         } else {
  58                 typeBinding = type.resolveType(scope);
  59                 if (!(typeBinding instanceof ReferenceBinding))
  60                         throw new CompletionNodeFound(); // no need to continue if its an array or base type
  61         }
  62
  63         throw new CompletionNodeFound(this, typeBinding, scope);
  64 }
  65 public String toStringExpression(int tab) {
  66         return
  67                 ((this.enclosingInstance == null) ?
  68                         "<CompleteOnAllocationExpression:" :  //$NON-NLS-1$
  69                         "<CompleteOnQualifiedAllocationExpression:") +  //$NON-NLS-1$
  70                 super.toStringExpression(tab) + ">"; //$NON-NLS-1$
  71 }
  72 }