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jeremybenn |
/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2005 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.tree;
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import org.objectweb.asm.Label;
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import org.objectweb.asm.MethodVisitor;
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/**
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* A node that represents a jump instruction. A jump instruction is an
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* instruction that may jump to another instruction.
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*
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* @author Eric Bruneton
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*/
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public class JumpInsnNode extends AbstractInsnNode {
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/**
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* The operand of this instruction. This operand is a label that designates
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* the instruction to which this instruction may jump.
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*/
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public Label label;
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/**
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* Constructs a new {@link JumpInsnNode}.
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*
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* @param opcode the opcode of the type instruction to be constructed. This
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* opcode must be IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ,
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* IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ,
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* IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.
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* @param label the operand of the instruction to be constructed. This
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* operand is a label that designates the instruction to which the
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* jump instruction may jump.
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*/
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public JumpInsnNode(final int opcode, final Label label) {
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super(opcode);
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this.label = label;
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}
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/**
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* Sets the opcode of this instruction.
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*
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* @param opcode the new instruction opcode. This opcode must be IFEQ, IFNE,
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* IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT,
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* IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR,
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* IFNULL or IFNONNULL.
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*/
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public void setOpcode(final int opcode) {
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this.opcode = opcode;
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}
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public void accept(final MethodVisitor mv) {
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mv.visitJumpInsn(opcode, label);
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}
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public int getType() {
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return JUMP_INSN;
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}
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}
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