net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/SingleTypeReference.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.ClassScope;
  16 import net.sourceforge.phpdt.internal.compiler.lookup.ReferenceBinding;
  17 import net.sourceforge.phpdt.internal.compiler.lookup.Scope;
  18 import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  19
  20 import org.eclipse.core.resources.IFile;
  21
  22 public class SingleTypeReference extends TypeReference {
  23         public char[] token;
  24
  25         public IFile file;
  26
  27         public SingleTypeReference(IFile f, char[] source, int start, int end) {
  28                 token = source;
  29                 file = f;
  30                 sourceStart = start;
  31                 sourceEnd = end;
  32
  33         }
  34
  35         public SingleTypeReference(char[] source, long pos) {
  36                 token = source;
  37                 file = null;
  38                 sourceStart = (int) (pos >>> 32);
  39                 sourceEnd = (int) (pos & 0x00000000FFFFFFFFL);
  40
  41         }
  42
  43         public SingleTypeReference(char[] source, TypeBinding type, long pos) {
  44                 this(source, pos);
  45                 this.resolvedType = type;
  46         }
  47
  48         public TypeReference copyDims(int dim) {
  49                 // return a type reference copy of me with some dimensions
  50                 // warning : the new type ref has a null binding
  51
  52                 return new ArrayTypeReference(token, null, dim,
  53                                 (((long) sourceStart) << 32) + sourceEnd);
  54         }
  55
  56         public TypeBinding getTypeBinding(Scope scope) {
  57                 if (this.resolvedType != null)
  58                         return this.resolvedType;
  59                 return scope.getType(token);
  60         }
  61
  62         public char[][] getTypeName() {
  63                 return new char[][] { token };
  64         }
  65
  66         public TypeBinding resolveTypeEnclosing(BlockScope scope,
  67                         ReferenceBinding enclosingType) {
  68                 ReferenceBinding memberTb = scope.getMemberType(token, enclosingType);
  69                 if (!memberTb.isValidBinding()) {
  70                         scope.problemReporter().invalidEnclosingType(this, memberTb,
  71                                         enclosingType);
  72                         return null;
  73                 }
  74                 if (isTypeUseDeprecated(memberTb, scope))
  75                         scope.problemReporter().deprecatedType(memberTb, this);
  76                 return this.resolvedType = memberTb;
  77         }
  78
  79         public StringBuffer printExpression(int indent, StringBuffer output) {
  80
  81                 return output.append(token);
  82         }
  83
  84         public String toStringExpression(int tab) {
  85                 return new String(token);
  86         }
  87
  88         public void traverse(ASTVisitor visitor, BlockScope scope) {
  89                 visitor.visit(this, scope);
  90                 visitor.endVisit(this, scope);
  91         }
  92
  93         public void traverse(ASTVisitor visitor, ClassScope scope) {
  94                 visitor.visit(this, scope);
  95                 visitor.endVisit(this, scope);
  96         }
  97 }