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      1 /***
      2  * ASM: a very small and fast Java bytecode manipulation framework
      3  * Copyright (c) 2000-2005 INRIA, France Telecom
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of the copyright holders nor the names of its
     15  *    contributors may be used to endorse or promote products derived from
     16  *    this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 package org.objectweb.asm.tree;
     31 
     32 import org.objectweb.asm.MethodVisitor;
     33 
     34 /**
     35  * A node that represents a type instruction. A type instruction is an
     36  * instruction that takes a type descriptor as parameter.
     37  *
     38  * @author Eric Bruneton
     39  */
     40 public class TypeInsnNode extends AbstractInsnNode {
     41 
     42     /**
     43      * The operand of this instruction. This operand is a type descriptor (see
     44      * {@link org.objectweb.asm.Type}).
     45      */
     46     public String desc;
     47 
     48     /**
     49      * Constructs a new {@link TypeInsnNode}.
     50      *
     51      * @param opcode the opcode of the type instruction to be constructed. This
     52      *        opcode must be NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
     53      * @param desc the operand of the instruction to be constructed. This
     54      *        operand is a type descriptor (see {@link org.objectweb.asm.Type}).
     55      */
     56     public TypeInsnNode(final int opcode, final String desc) {
     57         super(opcode);
     58         this.desc = desc;
     59     }
     60 
     61     /**
     62      * Sets the opcode of this instruction.
     63      *
     64      * @param opcode the new instruction opcode. This opcode must be NEW,
     65      *        ANEWARRAY, CHECKCAST or INSTANCEOF.
     66      */
     67     public void setOpcode(final int opcode) {
     68         this.opcode = opcode;
     69     }
     70 
     71     public void accept(final MethodVisitor mv) {
     72         mv.visitTypeInsn(opcode, desc);
     73     }
     74 
     75     public int getType() {
     76         return TYPE_INSN;
     77     }
     78 }