ASM: a very small and fast Java bytecode manipulation framework
Copyright (c) 2000-2011 INRIA, France Telecom
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
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   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. Neither the name of the copyright holders nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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THE POSSIBILITY OF SUCH DAMAGE.
/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * 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. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
 */
package org.objectweb.asm;

An edge in the control flow graph of a method body. See Label. 
Author:
Eric Bruneton/**
 * An edge in the control flow graph of a method body. See {@link Label Label}.
 * 
 * @author Eric Bruneton
 */
class Edge {

    
Denotes a normal control flow graph edge.
/**
     * Denotes a normal control flow graph edge.
     */
    static final int NORMAL = 0;

    
Denotes a control flow graph edge corresponding to an exception handler. More precisely any Edge whose info is strictly positive corresponds to an exception handler. The actual value of info is the index, in the ClassWriter type table, of the exception that is catched. /**
     * Denotes a control flow graph edge corresponding to an exception handler.
     * More precisely any {@link Edge} whose {@link #info} is strictly positive
     * corresponds to an exception handler. The actual value of {@link #info} is
     * the index, in the {@link ClassWriter} type table, of the exception that
     * is catched.
     */
    static final int EXCEPTION = 0x7FFFFFFF;

    
Information about this control flow graph edge. If ClassWriter.COMPUTE_MAXS is used this field is the (relative) stack size in the basic block from which this edge originates. This size is equal to the stack size at the "jump" instruction to which this edge corresponds, relatively to the stack size at the beginning of the originating basic block. If ClassWriter.COMPUTE_FRAMES is used, this field is the kind of this control flow graph edge (i.e. NORMAL or EXCEPTION). /**
     * Information about this control flow graph edge. If
     * {@link ClassWriter#COMPUTE_MAXS} is used this field is the (relative)
     * stack size in the basic block from which this edge originates. This size
     * is equal to the stack size at the "jump" instruction to which this edge
     * corresponds, relatively to the stack size at the beginning of the
     * originating basic block. If {@link ClassWriter#COMPUTE_FRAMES} is used,
     * this field is the kind of this control flow graph edge (i.e. NORMAL or
     * EXCEPTION).
     */
    int info;

    
The successor block of the basic block from which this edge originates.
/**
     * The successor block of the basic block from which this edge originates.
     */
    Label successor;

    
The next edge in the list of successors of the originating basic block. See successors. /**
     * The next edge in the list of successors of the originating basic block.
     * See {@link Label#successors successors}.
     */
    Edge next;
}