Mercurial > hg > truffle
annotate src/share/vm/ci/ciNullObject.hpp @ 7604:f1de9dbc914e
8006109: test/java/util/AbstractSequentialList/AddAll.java fails: assert(rtype == ctype) failed: mismatched return types
Reviewed-by: kvn
author | twisti |
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date | Tue, 15 Jan 2013 12:06:18 -0800 |
parents | f95d63e2154a |
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rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, 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 |
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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 | |
1972 | 25 #ifndef SHARE_VM_CI_CINULLOBJECT_HPP |
26 #define SHARE_VM_CI_CINULLOBJECT_HPP | |
27 | |
28 #include "ci/ciClassList.hpp" | |
29 #include "ci/ciObject.hpp" | |
30 #include "ci/ciUtilities.hpp" | |
31 | |
0 | 32 // ciNullObject |
33 // | |
34 // This class represents a null reference in the VM. | |
35 class ciNullObject : public ciObject { | |
36 CI_PACKAGE_ACCESS | |
37 | |
38 private: | |
39 ciNullObject() : ciObject() {} | |
40 | |
41 const char* type_string() { return "ciNullObject"; } | |
42 | |
43 void print_impl(outputStream* st); | |
44 | |
45 public: | |
46 // Is this ciObject a Java Language Object? That is, | |
47 // is the ciObject an instance or an array | |
48 bool is_java_object() { return true; } | |
49 | |
50 // What kind of ciObject is this? | |
51 bool is_null_object() const { return true; } | |
52 bool is_classless() const { return true; } | |
53 | |
54 // Get the distinguished instance of this klass. | |
55 static ciNullObject* make(); | |
56 }; | |
1972 | 57 |
58 #endif // SHARE_VM_CI_CINULLOBJECT_HPP |