-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- ******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;
-import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
-import net.sourceforge.phpdt.internal.compiler.codegen.Label;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import java.util.List;
-public abstract class BranchStatement extends Statement {
- public char[] label;
- public Label targetLabel;
- public AstNode[] subroutines;
/**
- * BranchStatement constructor comment.
+ * Here is a branchstatement : break or continue.
+ * @author Matthieu Casanova
*/
-public BranchStatement(char[] l, int s,int e) {
- label = l ;
- sourceStart = s;
- sourceEnd = e;
-}
-/**
- * Branch code generation
- *
- * generate the finallyInvocationSequence.
- */
-public void generateCode(BlockScope currentScope, CodeStream codeStream) {
+public abstract class BranchStatement extends Statement {
- if ((bits & IsReachableMASK) == 0) {
- return;
- }
- int pc = codeStream.position;
+ /** The label (if there is one). */
+ protected final Expression expression;
- // generation of code responsible for invoking the finally
- // blocks in sequence
- if (subroutines != null){
- for (int i = 0, max = subroutines.length; i < max; i++){
- AstNode sub;
- if ((sub = subroutines[i]) instanceof SynchronizedStatement){
- codeStream.load(((SynchronizedStatement)sub).synchroVariable);
- codeStream.monitorexit();
- } else {
- TryStatement trySub = (TryStatement) sub;
- if (trySub.subRoutineCannotReturn) {
- codeStream.goto_(trySub.subRoutineStartLabel);
- codeStream.recordPositionsFrom(pc, this.sourceStart);
- return;
- } else {
- codeStream.jsr(trySub.subRoutineStartLabel);
- }
- }
- }
- }
- codeStream.goto_(targetLabel);
- codeStream.recordPositionsFrom(pc, this.sourceStart);
-}
-public void resetStateForCodeGeneration() {
- this.targetLabel.resetStateForCodeGeneration();
-}
+ protected BranchStatement(final Expression expression, final int sourceStart, final int sourceEnd) {
+ super(sourceStart, sourceEnd);
+ this.expression = expression;
+ }
+
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ *
+ * @param list the list where we will put variables
+ */
+ public final void getOutsideVariable(final List list) {
+ if (expression != null) {
+ expression.getOutsideVariable(list);
+ }
+ }
+
+ /**
+ * get the modified variables.
+ *
+ * @param list the list where we will put variables
+ */
+ public final void getModifiedVariable(final List list) {
+ if (expression != null) {
+ expression.getModifiedVariable(list);
+ }
+ }
+
+ /**
+ * Get the variables used.
+ *
+ * @param list the list where we will put variables
+ */
+ public final void getUsedVariable(final List list) {
+ if (expression != null) {
+ expression.getUsedVariable(list);
+ }
+ }
}