--- /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.flow;
+
+import org.eclipse.jdt.internal.compiler.ast.ASTNode;
+import org.eclipse.jdt.internal.compiler.ast.SubRoutineStatement;
+
+/**
+ * Reflects the context of code analysis, keeping track of enclosing
+ * try statements, exception handlers, etc...
+ */
+public class InsideSubRoutineFlowContext extends FlowContext {
+
+ public UnconditionalFlowInfo initsOnReturn;
+
+ public InsideSubRoutineFlowContext(
+ FlowContext parent,
+ ASTNode associatedNode) {
+ super(parent, associatedNode);
+ this.initsOnReturn = FlowInfo.DEAD_END;
+ }
+
+ public String individualToString() {
+
+ StringBuffer buffer = new StringBuffer("Inside SubRoutine flow context"); //$NON-NLS-1$
+ buffer.append("[initsOnReturn -").append(initsOnReturn.toString()).append(']'); //$NON-NLS-1$
+ return buffer.toString();
+ }
+
+ public UnconditionalFlowInfo initsOnReturn(){
+ return this.initsOnReturn;
+ }
+
+ public boolean isNonReturningContext() {
+ return subRoutine().isSubRoutineEscaping();
+ }
+
+ public SubRoutineStatement subRoutine() {
+ return (SubRoutineStatement)associatedNode;
+ }
+
+ public void recordReturnFrom(FlowInfo flowInfo) {
+
+ if (!flowInfo.isReachable()) return;
+ if (initsOnReturn == FlowInfo.DEAD_END) {
+ initsOnReturn = flowInfo.copy().unconditionalInits();
+ } else {
+ initsOnReturn = initsOnReturn.mergedWith(flowInfo.copy().unconditionalInits());
+ }
+ }
+}