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/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2005 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.tree;
import org.objectweb.asm.MethodVisitor;
/**
* A node that represents a bytecode instruction.
*
* @author Eric Bruneton
*/
public abstract class AbstractInsnNode {
/**
* The type of {@link InsnNode} instructions.
*/
public final static int INSN = 0;
/**
* The type of {@link IntInsnNode} instructions.
*/
public final static int INT_INSN = 1;
/**
* The type of {@link VarInsnNode} instructions.
*/
public final static int VAR_INSN = 2;
/**
* The type of {@link TypeInsnNode} instructions.
*/
public final static int TYPE_INSN = 3;
/**
* The type of {@link FieldInsnNode} instructions.
*/
public final static int FIELD_INSN = 4;
/**
* The type of {@link MethodInsnNode} instructions.
*/
public final static int METHOD_INSN = 5;
/**
* The type of {@link JumpInsnNode} instructions.
*/
public final static int JUMP_INSN = 6;
/**
* The type of {@link LabelNode} "instructions".
*/
public final static int LABEL = 7;
/**
* The type of {@link LdcInsnNode} instructions.
*/
public final static int LDC_INSN = 8;
/**
* The type of {@link IincInsnNode} instructions.
*/
public final static int IINC_INSN = 9;
/**
* The type of {@link TableSwitchInsnNode} instructions.
*/
public final static int TABLESWITCH_INSN = 10;
/**
* The type of {@link LookupSwitchInsnNode} instructions.
*/
public final static int LOOKUPSWITCH_INSN = 11;
/**
* The type of {@link MultiANewArrayInsnNode} instructions.
*/
public final static int MULTIANEWARRAY_INSN = 12;
/**
* The opcode of this instruction.
*/
protected int opcode;
/**
* Constructs a new {@link AbstractInsnNode}.
*
* @param opcode the opcode of the instruction to be constructed.
*/
protected AbstractInsnNode(final int opcode) {
this.opcode = opcode;
}
/**
* Returns the opcode of this instruction.
*
* @return the opcode of this instruction.
*/
public int getOpcode() {
return opcode;
}
/**
* Returns the type of this instruction.
*
* @return the type of this instruction, i.e. one the constants defined in
* this class.
*/
public abstract int getType();
/**
* Makes the given code visitor visit this instruction.
*
* @param cv a code visitor.
*/
public abstract void accept(final MethodVisitor cv);
}
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