--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/com/sun/org/apache/bcel/internal/classfile/CodeException.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,232 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+package com.sun.org.apache.bcel.internal.classfile;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2001 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache BCEL" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache BCEL", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+import com.sun.org.apache.bcel.internal.Constants;
+import java.io.*;
+
+/**
+ * This class represents an entry in the exception table of the <em>Code</em>
+ * attribute and is used only there. It contains a range in which a
+ * particular exception handler is active.
+ *
+ * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
+ * @see Code
+ */
+public final class CodeException
+ implements Cloneable, Constants, Node, Serializable
+{
+ private int start_pc; // Range in the code the exception handler is
+ private int end_pc; // active. start_pc is inclusive, end_pc exclusive
+ private int handler_pc; /* Starting address of exception handler, i.e.,
+ * an offset from start of code.
+ */
+ private int catch_type; /* If this is zero the handler catches any
+ * exception, otherwise it points to the
+ * exception class which is to be caught.
+ */
+ /**
+ * Initialize from another object.
+ */
+ public CodeException(CodeException c) {
+ this(c.getStartPC(), c.getEndPC(), c.getHandlerPC(), c.getCatchType());
+ }
+
+ /**
+ * Construct object from file stream.
+ * @param file Input stream
+ * @throws IOException
+ */
+ CodeException(DataInputStream file) throws IOException
+ {
+ this(file.readUnsignedShort(), file.readUnsignedShort(),
+ file.readUnsignedShort(), file.readUnsignedShort());
+ }
+
+ /**
+ * @param start_pc Range in the code the exception handler is active,
+ * start_pc is inclusive while
+ * @param end_pc is exclusive
+ * @param handler_pc Starting address of exception handler, i.e.,
+ * an offset from start of code.
+ * @param catch_type If zero the handler catches any
+ * exception, otherwise it points to the exception class which is
+ * to be caught.
+ */
+ public CodeException(int start_pc, int end_pc, int handler_pc,
+ int catch_type)
+ {
+ this.start_pc = start_pc;
+ this.end_pc = end_pc;
+ this.handler_pc = handler_pc;
+ this.catch_type = catch_type;
+ }
+
+ /**
+ * Called by objects that are traversing the nodes of the tree implicitely
+ * defined by the contents of a Java class. I.e., the hierarchy of methods,
+ * fields, attributes, etc. spawns a tree of objects.
+ *
+ * @param v Visitor object
+ */
+ public void accept(Visitor v) {
+ v.visitCodeException(this);
+ }
+ /**
+ * Dump code exception to file stream in binary format.
+ *
+ * @param file Output file stream
+ * @throws IOException
+ */
+ public final void dump(DataOutputStream file) throws IOException
+ {
+ file.writeShort(start_pc);
+ file.writeShort(end_pc);
+ file.writeShort(handler_pc);
+ file.writeShort(catch_type);
+ }
+
+ /**
+ * @return 0, if the handler catches any exception, otherwise it points to
+ * the exception class which is to be caught.
+ */
+ public final int getCatchType() { return catch_type; }
+
+ /**
+ * @return Exclusive end index of the region where the handler is active.
+ */
+ public final int getEndPC() { return end_pc; }
+
+ /**
+ * @return Starting address of exception handler, relative to the code.
+ */
+ public final int getHandlerPC() { return handler_pc; }
+
+ /**
+ * @return Inclusive start index of the region where the handler is active.
+ */
+ public final int getStartPC() { return start_pc; }
+
+ /**
+ * @param catch_type.
+ */
+ public final void setCatchType(int catch_type) {
+ this.catch_type = catch_type;
+ }
+
+ /**
+ * @param end_pc end of handled block
+ */
+ public final void setEndPC(int end_pc) {
+ this.end_pc = end_pc;
+ }
+
+ /**
+ * @param handler_pc where the actual code is
+ */
+ public final void setHandlerPC(int handler_pc) {
+ this.handler_pc = handler_pc;
+ }
+
+ /**
+ * @param start_pc start of handled block
+ */
+ public final void setStartPC(int start_pc) {
+ this.start_pc = start_pc;
+ }
+
+ /**
+ * @return String representation.
+ */
+ public final String toString() {
+ return "CodeException(start_pc = " + start_pc +
+ ", end_pc = " + end_pc +
+ ", handler_pc = " + handler_pc + ", catch_type = " + catch_type + ")";
+ }
+
+ /**
+ * @return String representation.
+ */
+ public final String toString(ConstantPool cp, boolean verbose) {
+ String str;
+
+ if(catch_type == 0)
+ str = "<Any exception>(0)";
+ else
+ str = Utility.compactClassName(cp.getConstantString(catch_type, CONSTANT_Class), false) +
+ (verbose? "(" + catch_type + ")" : "");
+
+ return start_pc + "\t" + end_pc + "\t" + handler_pc + "\t" + str;
+ }
+
+ public final String toString(ConstantPool cp) {
+ return toString(cp, true);
+ }
+
+ /**
+ * @return deep copy of this object
+ */
+ public CodeException copy() {
+ try {
+ return (CodeException)clone();
+ } catch(CloneNotSupportedException e) {}
+
+ return null;
+ }
+}