Mercurial > hg > truffle
comparison src/share/vm/ci/ciSymbol.cpp @ 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 | dd57230ba8fe |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 1999-2007 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 #include "incls/_precompiled.incl" | |
26 #include "incls/_ciSymbol.cpp.incl" | |
27 | |
28 // ------------------------------------------------------------------ | |
29 // ciSymbol::ciSymbol | |
30 // | |
31 // Preallocated handle variant. Used with handles from vmSymboHandles. | |
32 ciSymbol::ciSymbol(symbolHandle h_s) : ciObject(h_s) { | |
33 } | |
34 | |
35 // ciSymbol | |
36 // | |
37 // This class represents a symbolOop in the HotSpot virtual | |
38 // machine. | |
39 | |
40 // ------------------------------------------------------------------ | |
41 // ciSymbol::as_utf8 | |
42 // | |
43 // The text of the symbol as a null-terminated C string. | |
44 const char* ciSymbol::as_utf8() { | |
45 VM_QUICK_ENTRY_MARK; | |
46 symbolOop s = get_symbolOop(); | |
47 return s->as_utf8(); | |
48 } | |
49 | |
50 // ------------------------------------------------------------------ | |
51 // ciSymbol::base | |
52 jbyte* ciSymbol::base() { | |
53 GUARDED_VM_ENTRY(return get_symbolOop()->base();) | |
54 } | |
55 | |
56 // ------------------------------------------------------------------ | |
57 // ciSymbol::byte_at | |
58 int ciSymbol::byte_at(int i) { | |
59 GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);) | |
60 } | |
61 | |
62 // ------------------------------------------------------------------ | |
63 // ciSymbol::utf8_length | |
64 int ciSymbol::utf8_length() { | |
65 GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();) | |
66 } | |
67 | |
68 // ------------------------------------------------------------------ | |
69 // ciSymbol::print_impl | |
70 // | |
71 // Implementation of the print method | |
72 void ciSymbol::print_impl(outputStream* st) { | |
73 st->print(" value="); | |
74 print_symbol_on(st); | |
75 } | |
76 | |
77 // ------------------------------------------------------------------ | |
78 // ciSymbol::print_symbol_on | |
79 // | |
80 // Print the value of this symbol on an outputStream | |
81 void ciSymbol::print_symbol_on(outputStream *st) { | |
82 GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);) | |
83 } | |
84 | |
85 // ------------------------------------------------------------------ | |
86 // ciSymbol::make_impl | |
87 // | |
88 // Make a ciSymbol from a C string (implementation). | |
89 ciSymbol* ciSymbol::make_impl(const char* s) { | |
90 EXCEPTION_CONTEXT; | |
91 // For some reason, oopFactory::new_symbol doesn't declare its | |
92 // char* argument as const. | |
93 symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD); | |
94 if (HAS_PENDING_EXCEPTION) { | |
95 CLEAR_PENDING_EXCEPTION; | |
96 CURRENT_THREAD_ENV->record_out_of_memory_failure(); | |
97 return ciEnv::_unloaded_cisymbol; | |
98 } | |
99 return CURRENT_THREAD_ENV->get_object(sym)->as_symbol(); | |
100 } | |
101 | |
102 // ------------------------------------------------------------------ | |
103 // ciSymbol::make | |
104 // | |
105 // Make a ciSymbol from a C string. | |
106 ciSymbol* ciSymbol::make(const char* s) { | |
107 GUARDED_VM_ENTRY(return make_impl(s);) | |
108 } |