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Clisprail
76 lines
3.1 KiB
Java
76 lines
3.1 KiB
Java
/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2011 INRIA, France Telecom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.objectweb.asm;
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/**
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* An edge in the control flow graph of a method body. See {@link Label Label}.
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*
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* @author Eric Bruneton
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*/
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class Edge {
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/**
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* Denotes a normal control flow graph edge.
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*/
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static final int NORMAL = 0;
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/**
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* Denotes a control flow graph edge corresponding to an exception handler.
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* More precisely any {@link Edge} whose {@link #info} is strictly positive
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* corresponds to an exception handler. The actual value of {@link #info} is
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* the index, in the {@link ClassWriter} type table, of the exception that
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* is catched.
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*/
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static final int EXCEPTION = 0x7FFFFFFF;
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/**
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* Information about this control flow graph edge. If
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* {@link ClassWriter#COMPUTE_MAXS} is used this field is the (relative)
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* stack size in the basic block from which this edge originates. This size
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* is equal to the stack size at the "jump" instruction to which this edge
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* corresponds, relatively to the stack size at the beginning of the
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* originating basic block. If {@link ClassWriter#COMPUTE_FRAMES} is used,
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* this field is the kind of this control flow graph edge (i.e. NORMAL or
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* EXCEPTION).
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*/
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int info;
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/**
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* The successor block of the basic block from which this edge originates.
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*/
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Label successor;
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/**
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* The next edge in the list of successors of the originating basic block.
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* See {@link Label#successors successors}.
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*/
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Edge next;
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}
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