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annotate src/share/vm/ci/ciArrayKlass.cpp @ 3741:c76c13577460
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author | never |
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date | Thu, 26 May 2011 16:39:34 -0700 |
parents | f95d63e2154a |
children | da91efe96a93 |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
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4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
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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). | |
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15 * You should have received a copy of the GNU General Public License version | |
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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 #include "precompiled.hpp" |
26 #include "ci/ciArrayKlass.hpp" | |
27 #include "ci/ciObjArrayKlass.hpp" | |
28 #include "ci/ciTypeArrayKlass.hpp" | |
29 #include "ci/ciUtilities.hpp" | |
0 | 30 |
31 // ciArrayKlass | |
32 // | |
33 // This class represents a klassOop in the HotSpot virtual machine | |
34 // whose Klass part in an arrayKlass. | |
35 | |
36 // ------------------------------------------------------------------ | |
37 // ciArrayKlass::ciArrayKlass | |
38 // | |
39 // Loaded array klass. | |
40 ciArrayKlass::ciArrayKlass(KlassHandle h_k) : ciKlass(h_k) { | |
41 assert(get_Klass()->oop_is_array(), "wrong type"); | |
42 _dimension = get_arrayKlass()->dimension(); | |
43 } | |
44 | |
45 // ------------------------------------------------------------------ | |
46 // ciArrayKlass::ciArrayKlass | |
47 // | |
48 // Unloaded array klass. | |
49 ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass) | |
50 : ciKlass(name, klass) { | |
51 _dimension = dimension; | |
52 } | |
53 | |
54 // ------------------------------------------------------------------ | |
55 // ciArrayKlass::element_type | |
56 // | |
57 // What type is obtained when this array is indexed once? | |
58 ciType* ciArrayKlass::element_type() { | |
59 if (is_type_array_klass()) { | |
60 return ciType::make(as_type_array_klass()->element_type()); | |
61 } else { | |
62 return as_obj_array_klass()->element_klass()->as_klass(); | |
63 } | |
64 } | |
65 | |
66 | |
67 // ------------------------------------------------------------------ | |
68 // ciArrayKlass::base_element_type | |
69 // | |
70 // What type is obtained when this array is indexed as many times as possible? | |
71 ciType* ciArrayKlass::base_element_type() { | |
72 if (is_type_array_klass()) { | |
73 return ciType::make(as_type_array_klass()->element_type()); | |
74 } else { | |
75 ciKlass* ek = as_obj_array_klass()->base_element_klass(); | |
76 if (ek->is_type_array_klass()) { | |
77 return ciType::make(ek->as_type_array_klass()->element_type()); | |
78 } | |
79 return ek; | |
80 } | |
81 } | |
82 | |
83 | |
84 // ------------------------------------------------------------------ | |
85 // ciArrayKlass::is_leaf_type | |
86 bool ciArrayKlass::is_leaf_type() { | |
87 if (is_type_array_klass()) { | |
88 return true; | |
89 } else { | |
90 return as_obj_array_klass()->base_element_klass()->is_leaf_type(); | |
91 } | |
92 } | |
93 | |
94 | |
95 // ------------------------------------------------------------------ | |
96 // ciArrayKlass::base_element_type | |
97 // | |
98 // What type is obtained when this array is indexed as many times as possible? | |
99 ciArrayKlass* ciArrayKlass::make(ciType* element_type) { | |
100 if (element_type->is_primitive_type()) { | |
101 return ciTypeArrayKlass::make(element_type->basic_type()); | |
102 } else { | |
103 return ciObjArrayKlass::make(element_type->as_klass()); | |
104 } | |
105 } |