| /*** |
| * 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.apache.tajo.org.objectweb.asm; |
| |
| /** |
| * 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. |
| */ |
| static final int NORMAL = 0; |
| |
| /** |
| * 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 |
| * {@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. |
| */ |
| Label successor; |
| |
| /** |
| * The next edge in the list of successors of the originating basic block. |
| * See {@link Label#successors successors}. |
| */ |
| Edge next; |
| } |