oracle.toplink.libraries.asm.tree.JumpInsnNode Maven / Gradle / Ivy
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/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000,2002,2003 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 oracle.toplink.libraries.asm.tree;
import oracle.toplink.libraries.asm.Label;
import oracle.toplink.libraries.asm.CodeVisitor;
/**
* 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 Label label;
/**
* Constructs a new {@link JumpInsnNode JumpInsnNode} object.
*
* @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 Label 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;
}
public void accept (final CodeVisitor cv) {
cv.visitJumpInsn(opcode, label);
}
}