Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/BasicCompoundType.java @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
author | mikael |
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date | Tue, 24 Dec 2013 11:48:39 -0800 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger.cdbg.basic; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.debugger.cdbg.*; | |
30 import sun.jvm.hotspot.utilities.Assert; | |
31 | |
32 public class BasicCompoundType extends BasicType implements CompoundType { | |
33 private CompoundTypeKind kind; | |
34 private List baseClasses; | |
35 private List fields; | |
36 | |
37 public BasicCompoundType(String name, int size, CompoundTypeKind kind) { | |
38 this(name, size, kind, 0); | |
39 } | |
40 | |
41 private BasicCompoundType(String name, int size, CompoundTypeKind kind, int cvAttributes) { | |
42 super(name, size, cvAttributes); | |
43 if (Assert.ASSERTS_ENABLED) { | |
44 Assert.that(kind != null, "null kind"); | |
45 } | |
46 this.kind = kind; | |
47 } | |
48 | |
49 public CompoundType asCompound() { return this; } | |
50 | |
51 public int getNumBaseClasses() { | |
52 return ((baseClasses == null) ? 0 : baseClasses.size()); | |
53 } | |
54 public BaseClass getBaseClass(int i) { | |
55 return (BaseClass) baseClasses.get(i); | |
56 } | |
57 | |
58 public void addBaseClass(BaseClass b) { | |
59 if (baseClasses == null) { | |
60 baseClasses = new ArrayList(); | |
61 } | |
62 baseClasses.add(b); | |
63 } | |
64 | |
65 public int getNumFields() { | |
66 return ((fields == null) ? 0 : fields.size()); | |
67 } | |
68 public Field getField(int i) { | |
69 return (Field) fields.get(i); | |
70 } | |
71 | |
72 public void addField(Field f) { | |
73 if (fields == null) { | |
74 fields = new ArrayList(); | |
75 } | |
76 fields.add(f); | |
77 } | |
78 | |
79 public boolean isClass() { return (kind == CompoundTypeKind.CLASS); } | |
80 public boolean isStruct() { return (kind == CompoundTypeKind.STRUCT); } | |
81 public boolean isUnion() { return (kind == CompoundTypeKind.UNION); } | |
82 | |
83 Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { | |
84 super.resolveTypes(db, listener); | |
85 if (baseClasses != null) { | |
86 for (Iterator iter = baseClasses.iterator(); iter.hasNext(); ) { | |
87 BasicBaseClass b = (BasicBaseClass) iter.next(); | |
88 b.resolveTypes(this, db, listener); | |
89 } | |
90 } | |
91 if (fields != null) { | |
92 for (Iterator iter = fields.iterator(); iter.hasNext(); ) { | |
93 BasicField b = (BasicField) iter.next(); | |
94 b.resolveTypes(this, db, listener); | |
95 } | |
96 } | |
97 return this; | |
98 } | |
99 | |
100 public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { | |
101 // What kind of iteration are we doing? If the end user requested | |
102 // iteration over a given object at a given address, the field | |
103 // identifier will be null, and we should descend and iterate over | |
104 // our fields and superclasses. Otherwise, we are already | |
105 // iterating through an object, and it is up to the end user | |
106 // whether to descend into the embedded object. | |
107 if (f == null) { | |
108 // FIXME: this is one of the key hard components of this | |
109 // implementation. Will need to properly handle multiple | |
110 // inheritance and possibly virtual base classes (i.e., not | |
111 // iterating twice for a virtual base class inherited indirectly | |
112 // more than once). For now, we do the simple thing, which | |
113 // assumes single inheritance. | |
114 for (int i = 0; i < getNumBaseClasses(); i++) { | |
115 BasicCompoundType b = (BasicCompoundType) getBaseClass(i).getType(); | |
116 b.iterateObject(a, v, f); | |
117 } | |
118 // Now we are in our scope | |
119 v.enterType(this, a); | |
120 // Iterate through our fields | |
121 for (int i = 0; i < getNumFields(); i++) { | |
122 Field field = getField(i); | |
123 BasicType fieldType = (BasicType) field.getType(); | |
124 fieldType.iterateObject(a.addOffsetTo(field.getOffset()), v, new BasicNamedFieldIdentifier(field)); | |
125 } | |
126 v.exitType(); | |
127 } else { | |
128 v.doCompound(f, a); | |
129 } | |
130 } | |
131 | |
132 protected Type createCVVariant(int cvAttributes) { | |
133 BasicCompoundType t = new BasicCompoundType(getName(), getSize(), kind, cvAttributes); | |
134 t.kind = kind; | |
135 t.baseClasses = baseClasses; | |
136 t.fields = fields; | |
137 return t; | |
138 } | |
139 | |
140 public void visit(TypeVisitor v) { | |
141 v.doCompoundType(this); | |
142 } | |
143 } |