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annotate src/share/vm/ci/ciSymbol.cpp @ 1344:fdd57634910e

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6926979: should simplify catch_inline_exception Reviewed-by: twisti
author never
date Thu, 18 Mar 2010 14:31:41 -0700
parents dd57230ba8fe
children cd5dbf694d45
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1 /*
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2 * Copyright 1999-2009 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::starts_with
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64 //
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65 // Tests if the symbol starts with the given prefix.
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66 bool ciSymbol::starts_with(const char* prefix, int len) const {
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67 GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);)
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68 }
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69
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70 // ------------------------------------------------------------------
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71 // ciSymbol::index_of
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72 //
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73 // Determines where the symbol contains the given substring.
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74 int ciSymbol::index_of_at(int i, const char* str, int len) const {
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75 GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);)
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76 }
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77
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78 // ------------------------------------------------------------------
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79 // ciSymbol::utf8_length
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80 int ciSymbol::utf8_length() {
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81 GUARDED_VM_ENTRY(return get_symbolOop()->utf8_length();)
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82 }
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83
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84 // ------------------------------------------------------------------
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85 // ciSymbol::print_impl
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86 //
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87 // Implementation of the print method
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88 void ciSymbol::print_impl(outputStream* st) {
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89 st->print(" value=");
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90 print_symbol_on(st);
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91 }
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92
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93 // ------------------------------------------------------------------
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94 // ciSymbol::print_symbol_on
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95 //
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96 // Print the value of this symbol on an outputStream
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97 void ciSymbol::print_symbol_on(outputStream *st) {
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98 GUARDED_VM_ENTRY(get_symbolOop()->print_symbol_on(st);)
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99 }
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100
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101 // ------------------------------------------------------------------
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102 // ciSymbol::make_impl
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103 //
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104 // Make a ciSymbol from a C string (implementation).
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105 ciSymbol* ciSymbol::make_impl(const char* s) {
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106 EXCEPTION_CONTEXT;
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107 // For some reason, oopFactory::new_symbol doesn't declare its
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108 // char* argument as const.
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109 symbolOop sym = oopFactory::new_symbol((char*)s, (int)strlen(s), THREAD);
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110 if (HAS_PENDING_EXCEPTION) {
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111 CLEAR_PENDING_EXCEPTION;
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112 CURRENT_THREAD_ENV->record_out_of_memory_failure();
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113 return ciEnv::_unloaded_cisymbol;
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114 }
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115 return CURRENT_THREAD_ENV->get_object(sym)->as_symbol();
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116 }
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117
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118 // ------------------------------------------------------------------
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119 // ciSymbol::make
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120 //
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121 // Make a ciSymbol from a C string.
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122 ciSymbol* ciSymbol::make(const char* s) {
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123 GUARDED_VM_ENTRY(return make_impl(s);)
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124 }