+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.compiler.codegen;
-
-public class CaseLabel extends Label {
- public int instructionPosition = POS_NOT_SET;
- public int backwardsBranch = POS_NOT_SET;
-/**
- * CaseLabel constructor comment.
- * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
- */
-public CaseLabel(CodeStream codeStream) {
- super(codeStream);
-}
-/*
-* Put down a refernece to the array at the location in the codestream.
-*/
-void branch() {
- if (position == POS_NOT_SET) {
- addForwardReference(codeStream.position);
- // Leave 4 bytes free to generate the jump offset afterwards
- codeStream.position += 4;
- codeStream.classFileOffset += 4;
- } else { //Position is set. Write it!
- codeStream.writeSignedWord(position - codeStream.position + 1);
- }
-}
-/*
-* Put down a refernece to the array at the location in the codestream.
-*/
-void branchWide() {
- if (position == POS_NOT_SET) {
- addForwardReference(codeStream.position);
- // Leave 4 bytes free to generate the jump offset afterwards
- codeStream.position += 4;
- } else { //Position is set. Write it!
- codeStream.writeSignedWord(position - codeStream.position + 1);
- }
-}
-public boolean isStandardLabel(){
- return false;
-}
-/*
-* Put down a reference to the array at the location in the codestream.
-*/
-public void place() {
- position = codeStream.position;
- if (instructionPosition == POS_NOT_SET)
- backwardsBranch = position;
- else {
- int offset = position - instructionPosition;
- for (int i = 0; i < forwardReferenceCount; i++) {
- codeStream.writeSignedWord(forwardReferences[i], offset);
- }
- // add the label int the codeStream labels collection
- codeStream.addLabel(this);
- }
-}
-/*
-* Put down a refernece to the array at the location in the codestream.
-*/
-void placeInstruction() {
- if (instructionPosition == POS_NOT_SET) {
- instructionPosition = codeStream.position;
- if (backwardsBranch != POS_NOT_SET) {
- int offset = backwardsBranch - instructionPosition;
- for (int i = 0; i < forwardReferenceCount; i++)
- codeStream.writeSignedWord(forwardReferences[i], offset);
- backwardsBranch = POS_NOT_SET;
- }
- }
-}
-}