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1 /* |
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2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 #include "incls/_precompiled.incl" |
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26 #include "incls/_ciSymbol.cpp.incl" |
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27 |
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28 // ------------------------------------------------------------------ |
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29 // ciSymbol::ciSymbol |
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30 // |
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31 // Preallocated handle variant. Used with handles from vmSymboHandles. |
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32 ciSymbol::ciSymbol(symbolHandle h_s) : ciObject(h_s) { |
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33 } |
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34 |
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35 // ciSymbol |
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36 // |
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37 // This class represents a symbolOop in the HotSpot virtual |
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38 // machine. |
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39 |
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40 // ------------------------------------------------------------------ |
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41 // ciSymbol::as_utf8 |
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42 // |
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43 // The text of the symbol as a null-terminated C string. |
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44 const char* ciSymbol::as_utf8() { |
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45 VM_QUICK_ENTRY_MARK; |
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46 symbolOop s = get_symbolOop(); |
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47 return s->as_utf8(); |
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48 } |
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49 |
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50 // ------------------------------------------------------------------ |
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51 // ciSymbol::base |
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52 jbyte* ciSymbol::base() { |
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53 GUARDED_VM_ENTRY(return get_symbolOop()->base();) |
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54 } |
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55 |
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56 // ------------------------------------------------------------------ |
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57 // ciSymbol::byte_at |
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58 int ciSymbol::byte_at(int i) { |
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59 GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);) |
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60 } |
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61 |
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62 // ------------------------------------------------------------------ |
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63 // ciSymbol::utf8_length |
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64 int ciSymbol::utf8_length() { |
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65 GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();) |
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66 } |
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67 |
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68 // ------------------------------------------------------------------ |
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69 // ciSymbol::print_impl |
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70 // |
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71 // Implementation of the print method |
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72 void ciSymbol::print_impl(outputStream* st) { |
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73 st->print(" value="); |
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74 print_symbol_on(st); |
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75 } |
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76 |
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77 // ------------------------------------------------------------------ |
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78 // ciSymbol::print_symbol_on |
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79 // |
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80 // Print the value of this symbol on an outputStream |
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81 void ciSymbol::print_symbol_on(outputStream *st) { |
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82 GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);) |
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83 } |
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84 |
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85 // ------------------------------------------------------------------ |
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86 // ciSymbol::make_impl |
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87 // |
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88 // Make a ciSymbol from a C string (implementation). |
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89 ciSymbol* ciSymbol::make_impl(const char* s) { |
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90 EXCEPTION_CONTEXT; |
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91 // For some reason, oopFactory::new_symbol doesn't declare its |
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92 // char* argument as const. |
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93 symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD); |
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94 if (HAS_PENDING_EXCEPTION) { |
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95 CLEAR_PENDING_EXCEPTION; |
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96 CURRENT_THREAD_ENV->record_out_of_memory_failure(); |
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97 return ciEnv::_unloaded_cisymbol; |
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98 } |
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99 return CURRENT_THREAD_ENV->get_object(sym)->as_symbol(); |
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100 } |
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101 |
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102 // ------------------------------------------------------------------ |
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103 // ciSymbol::make |
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104 // |
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105 // Make a ciSymbol from a C string. |
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106 ciSymbol* ciSymbol::make(const char* s) { |
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107 GUARDED_VM_ENTRY(return make_impl(s);) |
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108 } |