content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  package jaxp.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 jaxp.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;
    }
  }
  