| 1 |
779 |
jeremybenn |
/***
|
| 2 |
|
|
* ASM: a very small and fast Java bytecode manipulation framework
|
| 3 |
|
|
* Copyright (c) 2000-2005 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.objectweb.asm.tree;
|
| 31 |
|
|
|
| 32 |
|
|
import org.objectweb.asm.MethodVisitor;
|
| 33 |
|
|
|
| 34 |
|
|
/**
|
| 35 |
|
|
* A node that represents a bytecode instruction.
|
| 36 |
|
|
*
|
| 37 |
|
|
* @author Eric Bruneton
|
| 38 |
|
|
*/
|
| 39 |
|
|
public abstract class AbstractInsnNode {
|
| 40 |
|
|
|
| 41 |
|
|
/**
|
| 42 |
|
|
* The type of {@link InsnNode} instructions.
|
| 43 |
|
|
*/
|
| 44 |
|
|
public final static int INSN = 0;
|
| 45 |
|
|
|
| 46 |
|
|
/**
|
| 47 |
|
|
* The type of {@link IntInsnNode} instructions.
|
| 48 |
|
|
*/
|
| 49 |
|
|
public final static int INT_INSN = 1;
|
| 50 |
|
|
|
| 51 |
|
|
/**
|
| 52 |
|
|
* The type of {@link VarInsnNode} instructions.
|
| 53 |
|
|
*/
|
| 54 |
|
|
public final static int VAR_INSN = 2;
|
| 55 |
|
|
|
| 56 |
|
|
/**
|
| 57 |
|
|
* The type of {@link TypeInsnNode} instructions.
|
| 58 |
|
|
*/
|
| 59 |
|
|
public final static int TYPE_INSN = 3;
|
| 60 |
|
|
|
| 61 |
|
|
/**
|
| 62 |
|
|
* The type of {@link FieldInsnNode} instructions.
|
| 63 |
|
|
*/
|
| 64 |
|
|
public final static int FIELD_INSN = 4;
|
| 65 |
|
|
|
| 66 |
|
|
/**
|
| 67 |
|
|
* The type of {@link MethodInsnNode} instructions.
|
| 68 |
|
|
*/
|
| 69 |
|
|
public final static int METHOD_INSN = 5;
|
| 70 |
|
|
|
| 71 |
|
|
/**
|
| 72 |
|
|
* The type of {@link JumpInsnNode} instructions.
|
| 73 |
|
|
*/
|
| 74 |
|
|
public final static int JUMP_INSN = 6;
|
| 75 |
|
|
|
| 76 |
|
|
/**
|
| 77 |
|
|
* The type of {@link LabelNode} "instructions".
|
| 78 |
|
|
*/
|
| 79 |
|
|
public final static int LABEL = 7;
|
| 80 |
|
|
|
| 81 |
|
|
/**
|
| 82 |
|
|
* The type of {@link LdcInsnNode} instructions.
|
| 83 |
|
|
*/
|
| 84 |
|
|
public final static int LDC_INSN = 8;
|
| 85 |
|
|
|
| 86 |
|
|
/**
|
| 87 |
|
|
* The type of {@link IincInsnNode} instructions.
|
| 88 |
|
|
*/
|
| 89 |
|
|
public final static int IINC_INSN = 9;
|
| 90 |
|
|
|
| 91 |
|
|
/**
|
| 92 |
|
|
* The type of {@link TableSwitchInsnNode} instructions.
|
| 93 |
|
|
*/
|
| 94 |
|
|
public final static int TABLESWITCH_INSN = 10;
|
| 95 |
|
|
|
| 96 |
|
|
/**
|
| 97 |
|
|
* The type of {@link LookupSwitchInsnNode} instructions.
|
| 98 |
|
|
*/
|
| 99 |
|
|
public final static int LOOKUPSWITCH_INSN = 11;
|
| 100 |
|
|
|
| 101 |
|
|
/**
|
| 102 |
|
|
* The type of {@link MultiANewArrayInsnNode} instructions.
|
| 103 |
|
|
*/
|
| 104 |
|
|
public final static int MULTIANEWARRAY_INSN = 12;
|
| 105 |
|
|
|
| 106 |
|
|
/**
|
| 107 |
|
|
* The opcode of this instruction.
|
| 108 |
|
|
*/
|
| 109 |
|
|
protected int opcode;
|
| 110 |
|
|
|
| 111 |
|
|
/**
|
| 112 |
|
|
* Constructs a new {@link AbstractInsnNode}.
|
| 113 |
|
|
*
|
| 114 |
|
|
* @param opcode the opcode of the instruction to be constructed.
|
| 115 |
|
|
*/
|
| 116 |
|
|
protected AbstractInsnNode(final int opcode) {
|
| 117 |
|
|
this.opcode = opcode;
|
| 118 |
|
|
}
|
| 119 |
|
|
|
| 120 |
|
|
/**
|
| 121 |
|
|
* Returns the opcode of this instruction.
|
| 122 |
|
|
*
|
| 123 |
|
|
* @return the opcode of this instruction.
|
| 124 |
|
|
*/
|
| 125 |
|
|
public int getOpcode() {
|
| 126 |
|
|
return opcode;
|
| 127 |
|
|
}
|
| 128 |
|
|
|
| 129 |
|
|
/**
|
| 130 |
|
|
* Returns the type of this instruction.
|
| 131 |
|
|
*
|
| 132 |
|
|
* @return the type of this instruction, i.e. one the constants defined in
|
| 133 |
|
|
* this class.
|
| 134 |
|
|
*/
|
| 135 |
|
|
public abstract int getType();
|
| 136 |
|
|
|
| 137 |
|
|
/**
|
| 138 |
|
|
* Makes the given code visitor visit this instruction.
|
| 139 |
|
|
*
|
| 140 |
|
|
* @param cv a code visitor.
|
| 141 |
|
|
*/
|
| 142 |
|
|
public abstract void accept(final MethodVisitor cv);
|
| 143 |
|
|
}
|
