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, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * 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 }