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      1 /***
      2  * ASM: a very small and fast Java bytecode manipulation framework
      3  * Copyright (c) 2000-2007 INRIA, France Telecom
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of the copyright holders nor the names of its
     15  *    contributors may be used to endorse or promote products derived from
     16  *    this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 package org.mockito.asm.tree;
     31 
     32 import org.mockito.asm.MethodVisitor;
     33 
     34 /**
     35  * A node that represents a try catch block.
     36  *
     37  * @author Eric Bruneton
     38  */
     39 public class TryCatchBlockNode {
     40 
     41     /**
     42      * Beginning of the exception handler's scope (inclusive).
     43      */
     44     public LabelNode start;
     45 
     46     /**
     47      * End of the exception handler's scope (exclusive).
     48      */
     49     public LabelNode end;
     50 
     51     /**
     52      * Beginning of the exception handler's code.
     53      */
     54     public LabelNode handler;
     55 
     56     /**
     57      * Internal name of the type of exceptions handled by the handler. May be
     58      * <tt>null</tt> to catch any exceptions (for "finally" blocks).
     59      */
     60     public String type;
     61 
     62     /**
     63      * Constructs a new {@link TryCatchBlockNode}.
     64      *
     65      * @param start beginning of the exception handler's scope (inclusive).
     66      * @param end end of the exception handler's scope (exclusive).
     67      * @param handler beginning of the exception handler's code.
     68      * @param type internal name of the type of exceptions handled by the
     69      *        handler, or <tt>null</tt> to catch any exceptions (for "finally"
     70      *        blocks).
     71      */
     72     public TryCatchBlockNode(
     73         final LabelNode start,
     74         final LabelNode end,
     75         final LabelNode handler,
     76         final String type)
     77     {
     78         this.start = start;
     79         this.end = end;
     80         this.handler = handler;
     81         this.type = type;
     82     }
     83 
     84     /**
     85      * Makes the given visitor visit this try catch block.
     86      *
     87      * @param mv a method visitor.
     88      */
     89     public void accept(final MethodVisitor mv) {
     90         mv.visitTryCatchBlock(start.getLabel(), end.getLabel(), handler == null
     91                 ? null
     92                 : handler.getLabel(), type);
     93     }
     94 }
     95