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Java > Open Source Codes > org > eclipse > jdt > internal > compiler > ast > NameReference


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.internal.compiler.ast;
12
13 import org.eclipse.jdt.internal.compiler.lookup.*;
14
15 public abstract class NameReference extends Reference implements InvocationSite {
16
17     public Binding binding, codegenBinding; //may be aTypeBinding-aFieldBinding-aLocalVariableBinding
18
19     public TypeBinding actualReceiverType; // modified receiver type - actual one according to namelookup
20
21     //the error printing
22 //some name reference are build as name reference but
23 //only used as type reference. When it happens, instead of
24 //creating a new objet (aTypeReference) we just flag a boolean
25 //This concesion is valuable while their are cases when the NameReference
26 //will be a TypeReference (static message sends.....) and there is
27 //no changeClass in java.
28 public NameReference() {
29     super();
30     bits |= Binding.TYPE | Binding.VARIABLE; // restrictiveFlag
31
32 }
33 public FieldBinding fieldBinding() {
34     //this method should be sent ONLY after a check against isFieldReference()
35 //check its use doing senders.........
36
37     return (FieldBinding) binding ;
38 }
39 public boolean isSuperAccess() {
40     return false;
41 }
42 public boolean isTypeAccess() {
43     // null is acceptable when we are resolving the first part of a reference
44 return binding == null || binding instanceof ReferenceBinding;
45 }
46 public boolean isTypeReference() {
47     return binding instanceof ReferenceBinding;
48 }
49 public void setActualReceiverType(ReferenceBinding receiverType) {
50     if (receiverType == null) return; // error scenario only
51 this.actualReceiverType = receiverType;
52 }
53 public void setDepth(int depth) {
54     bits &= ~DepthMASK; // flush previous depth if any
55 if (depth > 0) {
56         bits |= (depth & 0xFF) << DepthSHIFT; // encoded on 8 bits
57 }
58 }
59 public void setFieldIndex(int index){
60     // ignored
61 }
62
63 public abstract String JavaDoc unboundReferenceErrorName();
64 }
65
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