| // 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 jump instruction. A jump instruction is an instruction that may jump to |
| * another instruction. |
| * |
| * @author Eric Bruneton |
| */ |
| public class JumpInsnNode extends AbstractInsnNode { |
| |
| /** |
| * The operand of this instruction. This operand is a label that designates the instruction to |
| * which this instruction may jump. |
| */ |
| public LabelNode label; |
| |
| /** |
| * Constructs a new {@link JumpInsnNode}. |
| * |
| * @param opcode the opcode of the type instruction to be constructed. This opcode must be IFEQ, |
| * IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, |
| * IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL. |
| * @param label the operand of the instruction to be constructed. This operand is a label that |
| * designates the instruction to which the jump instruction may jump. |
| */ |
| public JumpInsnNode(final int opcode, final LabelNode label) { |
| super(opcode); |
| this.label = label; |
| } |
| |
| /** |
| * Sets the opcode of this instruction. |
| * |
| * @param opcode the new instruction opcode. This opcode must be IFEQ, IFNE, IFLT, IFGE, IFGT, |
| * IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, |
| * IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL. |
| */ |
| public void setOpcode(final int opcode) { |
| this.opcode = opcode; |
| } |
| |
| @Override |
| public int getType() { |
| return JUMP_INSN; |
| } |
| |
| @Override |
| public void accept(final MethodVisitor methodVisitor) { |
| methodVisitor.visitJumpInsn(opcode, label.getLabel()); |
| acceptAnnotations(methodVisitor); |
| } |
| |
| @Override |
| public AbstractInsnNode clone(final Map<LabelNode, LabelNode> clonedLabels) { |
| return new JumpInsnNode(opcode, clone(label, clonedLabels)).cloneAnnotations(this); |
| } |
| } |