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[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / codegen / CaseLabel.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.codegen;
12
13 public class CaseLabel extends Label {
14         public int instructionPosition = POS_NOT_SET;
15         public int backwardsBranch = POS_NOT_SET;
16 /**
17  * CaseLabel constructor comment.
18  * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
19  */
20 //public CaseLabel(CodeStream codeStream) {
21 //      super(codeStream);
22 //}
23 /*
24 * Put down  a refernece to the array at the location in the codestream.
25 */
26 //void branch() {
27 //      if (position == POS_NOT_SET) {
28 //              addForwardReference(codeStream.position);
29 //              // Leave 4 bytes free to generate the jump offset afterwards
30 //              codeStream.position += 4;
31 //              codeStream.classFileOffset += 4;
32 //      } else { //Position is set. Write it!
33 //              codeStream.writeSignedWord(position - codeStream.position + 1);
34 //      }
35 //}
36 ///*
37 //* Put down  a refernece to the array at the location in the codestream.
38 //*/
39 //void branchWide() {
40 //      if (position == POS_NOT_SET) {
41 //              addForwardReference(codeStream.position);
42 //              // Leave 4 bytes free to generate the jump offset afterwards
43 //              codeStream.position += 4;
44 //      } else { //Position is set. Write it!
45 //              codeStream.writeSignedWord(position - codeStream.position + 1);
46 //      }
47 //}
48 //public boolean isStandardLabel(){
49 //      return false;
50 //}
51 ///*
52 //* Put down  a reference to the array at the location in the codestream.
53 //*/
54 //public void place() {
55 //      position = codeStream.position;
56 //      if (instructionPosition == POS_NOT_SET)
57 //              backwardsBranch = position;
58 //      else {
59 //              int offset = position - instructionPosition;
60 //              for (int i = 0; i < forwardReferenceCount; i++) {
61 //                      codeStream.writeSignedWord(forwardReferences[i], offset);
62 //              }
63 //              // add the label int the codeStream labels collection
64 //              codeStream.addLabel(this);
65 //      }
66 //}
67 /*
68 * Put down  a refernece to the array at the location in the codestream.
69 */
70 //void placeInstruction() {
71 //      if (instructionPosition == POS_NOT_SET) {
72 //              instructionPosition = codeStream.position;
73 //              if (backwardsBranch != POS_NOT_SET) {
74 //                      int offset = backwardsBranch - instructionPosition;
75 //                      for (int i = 0; i < forwardReferenceCount; i++)
76 //                              codeStream.writeSignedWord(forwardReferences[i], offset);
77 //                      backwardsBranch = POS_NOT_SET;
78 //              }
79 //      }
80 //}
81 }