1 /*

     2  * Copyright (c) 2000, 2012, 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.oops;

    26 

    27 // An OopVisitor can be used to inspect all fields within an object.

    28 // Fields include vm fields, java fields, indexable fields.

    29 

    30 public interface FieldVisitor {

    31   // Callback methods for each field type in an object

    32   public void doMetadata(MetadataField field, boolean isVMField);

    33   public void doOop(OopField field, boolean isVMField);

    34   public void doOop(NarrowOopField field, boolean isVMField);

    35   public void doByte(ByteField field, boolean isVMField);

    36   public void doChar(CharField field, boolean isVMField);

    37   public void doBoolean(BooleanField field, boolean isVMField);

    38   public void doShort(ShortField field, boolean isVMField);

    39   public void doInt(IntField field, boolean isVMField);

    40   public void doLong(LongField field, boolean isVMField);

    41   public void doFloat(FloatField field, boolean isVMField);

    42   public void doDouble(DoubleField field, boolean isVMField);

    43   public void doCInt(CIntField field, boolean isVMField);

    44 };