Mercurial > hg > truffle
annotate src/share/vm/ci/ciSymbol.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | 3582bf76420e |
| rev | line source |
|---|---|
| 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 #include "precompiled.hpp" |
| 26 #include "ci/ciSymbol.hpp" | |
| 27 #include "ci/ciUtilities.hpp" | |
| 28 #include "memory/oopFactory.hpp" | |
| 0 | 29 |
| 30 // ------------------------------------------------------------------ | |
| 31 // ciSymbol::ciSymbol | |
| 32 // | |
| 33 // Preallocated handle variant. Used with handles from vmSymboHandles. | |
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34 ciSymbol::ciSymbol(symbolHandle h_s, vmSymbols::SID sid) |
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35 : ciObject(h_s), _sid(sid) |
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36 { |
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37 assert(sid_ok(), "must be in vmSymbols"); |
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38 } |
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39 |
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40 // Normal case for non-famous symbols. |
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41 ciSymbol::ciSymbol(symbolOop s) |
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42 : ciObject(s), _sid(vmSymbols::NO_SID) |
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43 { |
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44 assert(sid_ok(), "must not be in vmSymbols"); |
| 0 | 45 } |
| 46 | |
| 47 // ciSymbol | |
| 48 // | |
| 49 // This class represents a symbolOop in the HotSpot virtual | |
| 50 // machine. | |
| 51 | |
| 52 // ------------------------------------------------------------------ | |
| 53 // ciSymbol::as_utf8 | |
| 54 // | |
| 55 // The text of the symbol as a null-terminated C string. | |
| 56 const char* ciSymbol::as_utf8() { | |
| 57 VM_QUICK_ENTRY_MARK; | |
| 58 symbolOop s = get_symbolOop(); | |
| 59 return s->as_utf8(); | |
| 60 } | |
| 61 | |
| 62 // ------------------------------------------------------------------ | |
| 63 // ciSymbol::base | |
| 64 jbyte* ciSymbol::base() { | |
| 65 GUARDED_VM_ENTRY(return get_symbolOop()->base();) | |
| 66 } | |
| 67 | |
| 68 // ------------------------------------------------------------------ | |
| 69 // ciSymbol::byte_at | |
| 70 int ciSymbol::byte_at(int i) { | |
| 71 GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);) | |
| 72 } | |
| 73 | |
| 74 // ------------------------------------------------------------------ | |
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75 // ciSymbol::starts_with |
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76 // |
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77 // Tests if the symbol starts with the given prefix. |
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78 bool ciSymbol::starts_with(const char* prefix, int len) const { |
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79 GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);) |
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80 } |
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81 |
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82 // ------------------------------------------------------------------ |
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83 // ciSymbol::index_of |
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84 // |
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85 // Determines where the symbol contains the given substring. |
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86 int ciSymbol::index_of_at(int i, const char* str, int len) const { |
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87 GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);) |
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88 } |
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89 |
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90 // ------------------------------------------------------------------ |
| 0 | 91 // ciSymbol::utf8_length |
| 92 int ciSymbol::utf8_length() { | |
| 93 GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();) | |
| 94 } | |
| 95 | |
| 96 // ------------------------------------------------------------------ | |
| 97 // ciSymbol::print_impl | |
| 98 // | |
| 99 // Implementation of the print method | |
| 100 void ciSymbol::print_impl(outputStream* st) { | |
| 101 st->print(" value="); | |
| 102 print_symbol_on(st); | |
| 103 } | |
| 104 | |
| 105 // ------------------------------------------------------------------ | |
| 106 // ciSymbol::print_symbol_on | |
| 107 // | |
| 108 // Print the value of this symbol on an outputStream | |
| 109 void ciSymbol::print_symbol_on(outputStream *st) { | |
| 110 GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);) | |
| 111 } | |
| 112 | |
| 113 // ------------------------------------------------------------------ | |
| 114 // ciSymbol::make_impl | |
| 115 // | |
| 116 // Make a ciSymbol from a C string (implementation). | |
| 117 ciSymbol* ciSymbol::make_impl(const char* s) { | |
| 118 EXCEPTION_CONTEXT; | |
| 119 // For some reason, oopFactory::new_symbol doesn't declare its | |
| 120 // char* argument as const. | |
| 121 symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD); | |
| 122 if (HAS_PENDING_EXCEPTION) { | |
| 123 CLEAR_PENDING_EXCEPTION; | |
| 124 CURRENT_THREAD_ENV->record_out_of_memory_failure(); | |
| 125 return ciEnv::_unloaded_cisymbol; | |
| 126 } | |
| 127 return CURRENT_THREAD_ENV->get_object(sym)->as_symbol(); | |
| 128 } | |
| 129 | |
| 130 // ------------------------------------------------------------------ | |
| 131 // ciSymbol::make | |
| 132 // | |
| 133 // Make a ciSymbol from a C string. | |
| 134 ciSymbol* ciSymbol::make(const char* s) { | |
| 135 GUARDED_VM_ENTRY(return make_impl(s);) | |
| 136 } |