Java tutorial
// 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; import org.objectweb.asm.Opcodes; /** * A node that represents a method instruction. A method instruction is an instruction that invokes * a method. * * @author Eric Bruneton */ public class MethodInsnNode extends AbstractInsnNode { /** * The internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * * <p>For methods of arrays, e.g., {@code clone()}, the array type descriptor. */ public String owner; /** The method's name. */ public String name; /** The method's descriptor (see {@link org.objectweb.asm.Type}). */ public String desc; /** Whether the method's owner class if an interface. */ public boolean itf; /** * Constructs a new {@link MethodInsnNode}. * * @param opcode the opcode of the type instruction to be constructed. This opcode must be * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE. * @param owner the internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * @param name the method's name. * @param descriptor the method's descriptor (see {@link org.objectweb.asm.Type}). */ public MethodInsnNode(final int opcode, final String owner, final String name, final String descriptor) { this(opcode, owner, name, descriptor, opcode == Opcodes.INVOKEINTERFACE); } /** * Constructs a new {@link MethodInsnNode}. * * @param opcode the opcode of the type instruction to be constructed. This opcode must be * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE. * @param owner the internal name of the method's owner class (see {@link * org.objectweb.asm.Type#getInternalName()}). * @param name the method's name. * @param descriptor the method's descriptor (see {@link org.objectweb.asm.Type}). * @param isInterface if the method's owner class is an interface. */ public MethodInsnNode(final int opcode, final String owner, final String name, final String descriptor, final boolean isInterface) { super(opcode); this.owner = owner; this.name = name; this.desc = descriptor; this.itf = isInterface; } /** * Sets the opcode of this instruction. * * @param opcode the new instruction opcode. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL, * INVOKESTATIC or INVOKEINTERFACE. */ public void setOpcode(final int opcode) { this.opcode = opcode; } @Override public int getType() { return METHOD_INSN; } @Override public void accept(final MethodVisitor methodVisitor) { methodVisitor.visitMethodInsn(opcode, owner, name, desc, itf); acceptAnnotations(methodVisitor); } @Override public AbstractInsnNode clone(final Map<LabelNode, LabelNode> clonedLabels) { return new MethodInsnNode(opcode, owner, name, desc, itf).cloneAnnotations(this); } }