1 /*
   2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.  Oracle designates this
   7  * particular file as subject to the "Classpath" exception as provided
   8  * by Oracle in the LICENSE file that accompanied this code.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  */
  24 
  25 /*
  26  * This file is available under and governed by the GNU General Public
  27  * License version 2 only, as published by the Free Software Foundation.
  28  * However, the following notice accompanied the original version of this
  29  * file:
  30  *
  31  * ASM: a very small and fast Java bytecode manipulation framework
  32  * Copyright (c) 2000-2011 INRIA, France Telecom
  33  * All rights reserved.
  34  *
  35  * Redistribution and use in source and binary forms, with or without
  36  * modification, are permitted provided that the following conditions
  37  * are met:
  38  * 1. Redistributions of source code must retain the above copyright
  39  *    notice, this list of conditions and the following disclaimer.
  40  * 2. Redistributions in binary form must reproduce the above copyright
  41  *    notice, this list of conditions and the following disclaimer in the
  42  *    documentation and/or other materials provided with the distribution.
  43  * 3. Neither the name of the copyright holders nor the names of its
  44  *    contributors may be used to endorse or promote products derived from
  45  *    this software without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  48  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  51  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  52  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  53  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  54  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  55  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  56  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  57  * THE POSSIBILITY OF SUCH DAMAGE.
  58  */
  59 package jdk.internal.org.objectweb.asm.tree;
  60 
  61 import java.util.Map;
  62 
  63 import jdk.internal.org.objectweb.asm.MethodVisitor;
  64 import jdk.internal.org.objectweb.asm.Opcodes;
  65 
  66 /**
  67  * A node that represents a method instruction. A method instruction is an
  68  * instruction that invokes a method.
  69  *
  70  * @author Eric Bruneton
  71  */
  72 public class MethodInsnNode extends AbstractInsnNode {
  73 
  74     /**
  75      * The internal name of the method's owner class (see
  76      * {@link jdk.internal.org.objectweb.asm.Type#getInternalName() getInternalName}).
  77      */
  78     public String owner;
  79 
  80     /**
  81      * The method's name.
  82      */
  83     public String name;
  84 
  85     /**
  86      * The method's descriptor (see {@link jdk.internal.org.objectweb.asm.Type}).
  87      */
  88     public String desc;
  89 
  90     /**
  91      * If the method's owner class if an interface.
  92      */
  93     public boolean itf;
  94 
  95     /**
  96      * Constructs a new {@link MethodInsnNode}.
  97      *
  98      * @param opcode
  99      *            the opcode of the type instruction to be constructed. This
 100      *            opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
 101      *            INVOKEINTERFACE.
 102      * @param owner
 103      *            the internal name of the method's owner class (see
 104      *            {@link jdk.internal.org.objectweb.asm.Type#getInternalName()
 105      *            getInternalName}).
 106      * @param name
 107      *            the method's name.
 108      * @param desc
 109      *            the method's descriptor (see {@link jdk.internal.org.objectweb.asm.Type}).
 110      */
 111     @Deprecated
 112     public MethodInsnNode(final int opcode, final String owner,
 113             final String name, final String desc) {
 114         this(opcode, owner, name, desc, opcode == Opcodes.INVOKEINTERFACE);
 115     }
 116 
 117     /**
 118      * Constructs a new {@link MethodInsnNode}.
 119      *
 120      * @param opcode
 121      *            the opcode of the type instruction to be constructed. This
 122      *            opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
 123      *            INVOKEINTERFACE.
 124      * @param owner
 125      *            the internal name of the method's owner class (see
 126      *            {@link jdk.internal.org.objectweb.asm.Type#getInternalName()
 127      *            getInternalName}).
 128      * @param name
 129      *            the method's name.
 130      * @param desc
 131      *            the method's descriptor (see {@link jdk.internal.org.objectweb.asm.Type}).
 132      * @param itf
 133      *            if the method's owner class is an interface.
 134      */
 135     public MethodInsnNode(final int opcode, final String owner,
 136             final String name, final String desc, final boolean itf) {
 137         super(opcode);
 138         this.owner = owner;
 139         this.name = name;
 140         this.desc = desc;
 141         this.itf = itf;
 142     }
 143 
 144     /**
 145      * Sets the opcode of this instruction.
 146      *
 147      * @param opcode
 148      *            the new instruction opcode. This opcode must be INVOKEVIRTUAL,
 149      *            INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
 150      */
 151     public void setOpcode(final int opcode) {
 152         this.opcode = opcode;
 153     }
 154 
 155     @Override
 156     public int getType() {
 157         return METHOD_INSN;
 158     }
 159 
 160     @Override
 161     public void accept(final MethodVisitor mv) {
 162         mv.visitMethodInsn(opcode, owner, name, desc, itf);
 163     }
 164 
 165     @Override
 166     public AbstractInsnNode clone(final Map<LabelNode, LabelNode> labels) {
 167         return new MethodInsnNode(opcode, owner, name, desc, itf);
 168     }
 169 }