1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/clojure/asm/Edge.java	Sat Aug 21 06:25:44 2010 -0400
     1.3 @@ -0,0 +1,75 @@
     1.4 +/***
     1.5 + * ASM: a very small and fast Java bytecode manipulation framework
     1.6 + * Copyright (c) 2000-2005 INRIA, France Telecom
     1.7 + * All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions
    1.11 + * are met:
    1.12 + * 1. Redistributions of source code must retain the above copyright
    1.13 + *    notice, this list of conditions and the following disclaimer.
    1.14 + * 2. Redistributions in binary form must reproduce the above copyright
    1.15 + *    notice, this list of conditions and the following disclaimer in the
    1.16 + *    documentation and/or other materials provided with the distribution.
    1.17 + * 3. Neither the name of the copyright holders nor the names of its
    1.18 + *    contributors may be used to endorse or promote products derived from
    1.19 + *    this software without specific prior written permission.
    1.20 + *
    1.21 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    1.22 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.23 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.24 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    1.25 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.26 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.27 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.28 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.29 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.30 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
    1.31 + * THE POSSIBILITY OF SUCH DAMAGE.
    1.32 + */
    1.33 +package clojure.asm;
    1.34 +
    1.35 +/**
    1.36 + * An edge in the control flow graph of a method body. See {@link Label Label}.
    1.37 + *
    1.38 + * @author Eric Bruneton
    1.39 + */
    1.40 +class Edge{
    1.41 +
    1.42 +/**
    1.43 + * Denotes a normal control flow graph edge.
    1.44 + */
    1.45 +final static int NORMAL = 0;
    1.46 +
    1.47 +/**
    1.48 + * Denotes a control flow graph edge corresponding to an exception handler.
    1.49 + * More precisely any {@link Edge} whose {@link #info} is strictly positive
    1.50 + * corresponds to an exception handler. The actual value of {@link #info} is
    1.51 + * the index, in the {@link ClassWriter} type table, of the exception that
    1.52 + * is catched.
    1.53 + */
    1.54 +final static int EXCEPTION = 0x7FFFFFFF;
    1.55 +
    1.56 +/**
    1.57 + * Information about this control flow graph edge. If
    1.58 + * {@link ClassWriter#COMPUTE_MAXS} is used this field is the (relative)
    1.59 + * stack size in the basic block from which this edge originates. This size
    1.60 + * is equal to the stack size at the "jump" instruction to which this edge
    1.61 + * corresponds, relatively to the stack size at the beginning of the
    1.62 + * originating basic block. If {@link ClassWriter#COMPUTE_FRAMES} is used,
    1.63 + * this field is the kind of this control flow graph edge (i.e. NORMAL or
    1.64 + * EXCEPTION).
    1.65 + */
    1.66 +int info;
    1.67 +
    1.68 +/**
    1.69 + * The successor block of the basic block from which this edge originates.
    1.70 + */
    1.71 +Label successor;
    1.72 +
    1.73 +/**
    1.74 + * The next edge in the list of successors of the originating basic block.
    1.75 + * See {@link Label#successors successors}.
    1.76 + */
    1.77 +Edge next;
    1.78 +}