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/***
* 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.objectweb.asm.tree;
import java.util.Map;
import org.objectweb.asm.MethodVisitor;
/**
* A node that represents a local variable instruction. A local variable
* instruction is an instruction that loads or stores the value of a local
* variable.
*
* @author Eric Bruneton
*/
public class VarInsnNode extends AbstractInsnNode {
/**
* The operand of this instruction. This operand is the index of a local
* variable.
*/
public int var;
/**
* Constructs a new {@link VarInsnNode}.
*
* @param opcode
* the opcode of the local variable instruction to be
* constructed. This opcode must be ILOAD, LLOAD, FLOAD, DLOAD,
* ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.
* @param var
* the operand of the instruction to be constructed. This operand
* is the index of a local variable.
*/
public VarInsnNode(final int opcode, final int var) {
super(opcode);
this.var = var;
}
/**
* Sets the opcode of this instruction.
*
* @param opcode
* the new instruction opcode. This opcode must be ILOAD, LLOAD,
* FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or
* RET.
*/
public void setOpcode(final int opcode) {
this.opcode = opcode;
}
@Override
public int getType() {
return VAR_INSN;
}
@Override
public void accept(final MethodVisitor mv) {
mv.visitVarInsn(opcode, var);
}
@Override
public AbstractInsnNode clone(final Map labels) {
return new VarInsnNode(opcode, var);
}
}
