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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [tools/] [external/] [asm/] [org/] [objectweb/] [asm/] [tree/] [VarInsnNode.java] - Rev 779

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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 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;
    }
 
    public void accept(final MethodVisitor mv) {
        mv.visitVarInsn(opcode, var);
    }
 
    public int getType() {
        return VAR_INSN;
    }
}
 

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