Mercurial > hg > graal-compiler
comparison agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/ObjectVisitor.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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1 /* | |
2 * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.cdbg; | |
26 | |
27 import sun.jvm.hotspot.debugger.*; | |
28 | |
29 /** Provides uniform visitation to primitive and compound objects. | |
30 Typically one will have an Address of an "object" (in the | |
31 idealistic C++ definition, including "primitive objects" like | |
32 ints) and a Type for that object. This visitor interface allows | |
33 one to either get the value of the object (if of primitive type) | |
34 or iterate through its fields, getting the value of each, in a | |
35 consistent fashion. Also supports iteration through arrays of | |
36 known length. */ | |
37 | |
38 public interface ObjectVisitor { | |
39 /** This is called before beginning iterating through either the | |
40 fields declared in this compound type (not its superclasses) or | |
41 the elements of this array */ | |
42 public void enterType(Type type, Address objectAddress); | |
43 | |
44 /** This is called after finishing iterating through this compound | |
45 type */ | |
46 public void exitType(); | |
47 | |
48 /** Primitive field or object of integer bitfield | |
49 type. FieldIdentifier is null if not a field of an enclosing | |
50 object. */ | |
51 public void doBit(FieldIdentifier f, long val); | |
52 | |
53 /** Primitive field or object of integer type. FieldIdentifier is | |
54 null if not a field of an enclosing object. */ | |
55 public void doInt(FieldIdentifier f, long val); | |
56 | |
57 /** Primitive field or object of enumerated type type. | |
58 FieldIdentifier is null if not a field of an enclosing | |
59 object. */ | |
60 public void doEnum(FieldIdentifier f, long val, String enumName); | |
61 | |
62 /** Primitive field or object of single-precision floating-point | |
63 type. FieldIdentifier is null if not a field of an enclosing | |
64 object. */ | |
65 public void doFloat(FieldIdentifier f, float val); | |
66 | |
67 /** Primitive field or object of double-precision floating-point | |
68 type. FieldIdentifier is null if not a field of an enclosing | |
69 object. */ | |
70 public void doDouble(FieldIdentifier f, double val); | |
71 | |
72 /** Primitive field or object of pointer type. FieldIdentifier is | |
73 null if not a field of an enclosing object. */ | |
74 public void doPointer(FieldIdentifier f, Address val); | |
75 | |
76 /** Primitive field or object of array type. FieldIdentifier is null | |
77 if not a field of an enclosing object. */ | |
78 public void doArray(FieldIdentifier f, Address val); | |
79 | |
80 /** Primitive field or object of (C++) reference | |
81 type. FieldIdentifier is null if not a field of an enclosing | |
82 object. */ | |
83 public void doRef(FieldIdentifier f, Address val); | |
84 | |
85 /** Identifies embedded objects in compound objects. FieldIdentifier | |
86 is null if not a field of an enclosing object. */ | |
87 public void doCompound(FieldIdentifier f, Address addressOfEmbeddedCompoundObject); | |
88 } |