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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.  Oracle designates this
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * 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 jdk.internal.org.objectweb.asm.tree;

import java.util.Map;
import jdk.internal.org.objectweb.asm.MethodVisitor;
import jdk.internal.org.objectweb.asm.Opcodes;


A node that represents a method instruction. A method instruction is an instruction that invokes
a method.

Author:Eric Bruneton
/**
 * 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 Type.getInternalName()). 
For methods of arrays, e.g., clone(), the array type descriptor. 
/**
      * The internal name of the method's owner class (see {@link
      * jdk.internal.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. 
/** The method's name. */
    public String name;

    
The method's descriptor (see Type). 
/** The method's descriptor (see {@link jdk.internal.org.objectweb.asm.Type}). */
    public String desc;

    
Whether the method's owner class if an interface. 
/** Whether the method's owner class if an interface. */
    public boolean itf;

    
Constructs a new MethodInsnNode. 
Params:
  • opcode – the opcode of the type instruction to be constructed. This opcode must be
    INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
  • owner – the internal name of the method's owner class (see Type.getInternalName()).
  • name – the method's name.
  • descriptor – the method's descriptor (see Type).
Deprecated:use MethodInsnNode(int, String, String, String, boolean) instead.
/**
      * 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
      *     jdk.internal.org.objectweb.asm.Type#getInternalName()}).
      * @param name the method's name.
      * @param descriptor the method's descriptor (see {@link jdk.internal.org.objectweb.asm.Type}).
      * @deprecated use {@link #MethodInsnNode(int, String, String, String, boolean)} instead.
      */
    @Deprecated
    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 MethodInsnNode. 
Params:
  • opcode – the opcode of the type instruction to be constructed. This opcode must be
    INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
  • owner – the internal name of the method's owner class (see Type.getInternalName()).
  • name – the method's name.
  • descriptor – the method's descriptor (see Type).
  • isInterface – if the method's owner class is an interface.
/**
      * 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
      *     jdk.internal.org.objectweb.asm.Type#getInternalName()}).
      * @param name the method's name.
      * @param descriptor the method's descriptor (see {@link jdk.internal.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.

Params:
  • opcode – the new instruction opcode. This opcode must be INVOKEVIRTUAL, INVOKESPECIAL,
    INVOKESTATIC or INVOKEINTERFACE.
/**
      * 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);
    }
}