1 /*
   2  * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores,
  20  * CA 94065 USA or visit www.oracle.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.asm;
  26 
  27 public abstract class AbstractInstruction implements Instruction {
  28    protected final String name;
  29 
  30    public AbstractInstruction(String name) {
  31       this.name = name;
  32    }
  33 
  34    public String getName() {
  35       return name;
  36    }
  37 
  38    // some type testers
  39    public boolean isIllegal() {
  40       return false;
  41    }
  42 
  43    public boolean isArithmetic() {
  44       return false;
  45    }
  46 
  47    public boolean isLogical() {
  48       return false;
  49    }
  50 
  51    public boolean isShift() {
  52       return false;
  53    }
  54 
  55    public boolean isMove() {
  56       return false;
  57    }
  58 
  59    public boolean isBranch() {
  60       return false;
  61    }
  62 
  63    public boolean isCall() {
  64       return false;
  65    }
  66 
  67    public boolean isReturn() {
  68       return false;
  69    }
  70 
  71    public boolean isLoad() {
  72       return false;
  73    }
  74 
  75    public boolean isStore() {
  76       return false;
  77    }
  78 
  79    public boolean isFloat() {
  80       return false;
  81    }
  82 
  83    public boolean isTrap() {
  84       return false;
  85    }
  86 
  87    public boolean isNoop() {
  88       return false;
  89    }
  90 
  91    // convert the instruction as String given currentPc
  92    // and SymbolFinder
  93 
  94    public String asString(long currentPc, SymbolFinder symFinder) {
  95       return name;
  96    }
  97 }