removed Makefile; lifted repo/org.ibex.tool/src/ to src/

[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / codegen / CaseLabel.java

diff --git a/src/org/eclipse/jdt/internal/compiler/codegen/CaseLabel.java b/src/org/eclipse/jdt/internal/compiler/codegen/CaseLabel.java
new file mode 100644 (file)
index 0000000..725588e
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/codegen/CaseLabel.java
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * 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;
+               }
+       }
+}
+}