--- /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.lookup.BlockScope;
+import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
+import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
+
+/**
+ * Reflects the context of code analysis, keeping track of enclosing
+ * try statements, exception handlers, etc...
+ */
+public class InitializationFlowContext extends ExceptionHandlingFlowContext {
+
+ public int exceptionCount;
+ public TypeBinding[] thrownExceptions = new TypeBinding[5];
+ public ASTNode[] exceptionThrowers = new ASTNode[5];
+ public FlowInfo[] exceptionThrowerFlowInfos = new FlowInfo[5];
+
+ public InitializationFlowContext(
+ FlowContext parent,
+ ASTNode associatedNode,
+ BlockScope scope) {
+ super(
+ parent,
+ associatedNode,
+ NoExceptions, // no exception allowed by default
+ scope,
+ FlowInfo.DEAD_END);
+ }
+
+ public void checkInitializerExceptions(
+ BlockScope currentScope,
+ FlowContext initializerContext,
+ FlowInfo flowInfo) {
+ for (int i = 0; i < exceptionCount; i++) {
+ initializerContext.checkExceptionHandlers(
+ thrownExceptions[i],
+ exceptionThrowers[i],
+ exceptionThrowerFlowInfos[i],
+ currentScope);
+ }
+ }
+
+ public String individualToString() {
+
+ StringBuffer buffer = new StringBuffer("Initialization flow context"); //$NON-NLS-1$
+ for (int i = 0; i < exceptionCount; i++) {
+ buffer.append('[').append(thrownExceptions[i].readableName());
+ buffer.append('-').append(exceptionThrowerFlowInfos[i].toString()).append(']');
+ }
+ return buffer.toString();
+ }
+
+ public void recordHandlingException(
+ ReferenceBinding exceptionType,
+ UnconditionalFlowInfo flowInfo,
+ TypeBinding raisedException,
+ ASTNode invocationSite,
+ boolean wasMasked) {
+
+ // even if unreachable code, need to perform unhandled exception diagnosis
+ int size = thrownExceptions.length;
+ if (exceptionCount == size) {
+ System.arraycopy(
+ thrownExceptions,
+ 0,
+ (thrownExceptions = new TypeBinding[size * 2]),
+ 0,
+ size);
+ System.arraycopy(
+ exceptionThrowers,
+ 0,
+ (exceptionThrowers = new ASTNode[size * 2]),
+ 0,
+ size);
+ System.arraycopy(
+ exceptionThrowerFlowInfos,
+ 0,
+ (exceptionThrowerFlowInfos = new FlowInfo[size * 2]),
+ 0,
+ size);
+ }
+ thrownExceptions[exceptionCount] = raisedException;
+ exceptionThrowers[exceptionCount] = invocationSite;
+ exceptionThrowerFlowInfos[exceptionCount++] = flowInfo.copy();
+ }
+}