+/*******************************************************************************
+ * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.compiler.ast;
-import java.util.List;
-import java.util.ArrayList;
+import net.sourceforge.phpdt.internal.compiler.codegen.Label;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-/**
- * Here is a branchstatement : break or continue
- * @author Matthieu Casanova
- */
public abstract class BranchStatement extends Statement {
+ public Expression expression;
+
+ public Label targetLabel;
+
+ public ASTNode[] subroutines;
+
+ /**
+ * BranchStatement constructor comment.
+ */
+ public BranchStatement(Expression expr, int s, int e) {
+ expression = expr;
+ sourceStart = s;
+ sourceEnd = e;
+ }
+
+ /**
+ * Branch code generation
+ *
+ * generate the finallyInvocationSequence.
+ */
+ // public void generateCode(BlockScope currentScope, CodeStream codeStream)
+ // {
+ //
+ // if ((bits & IsReachableMASK) == 0) {
+ // return;
+ // }
+ // int pc = codeStream.position;
+ //
+ // // 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() {
+ if (this.targetLabel != null) {
+ this.targetLabel.resetStateForCodeGeneration();
+ }
+ }
+
+ public void resolve(BlockScope scope) {
+ }
- public Expression expression;
-
- public BranchStatement(final Expression expression, final int sourceStart, final int sourceEnd) {
- super(sourceStart, sourceEnd);
- this.expression = expression;
- }
-
- /**
- * Get the variables from outside (parameters, globals ...)
- */
- public void getOutsideVariable(final List list) {
- if (expression != null) {
- expression.getOutsideVariable(list);
- }
- }
-
- /**
- * get the modified variables.
- */
- public void getModifiedVariable(final List list) {
- if (expression != null) {
- expression.getModifiedVariable(list);
- }
- }
-
- /**
- * Get the variables used.
- */
- public void getUsedVariable(final List list) {
- if (expression != null) {
- expression.getUsedVariable(list);
- }
- }
}