Mercurial > hg > graal-compiler
annotate src/share/vm/oops/annotations.hpp @ 8003:3c9bc17b9403
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author | bpittore |
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date | Thu, 07 Feb 2013 16:05:48 -0500 |
parents | 16fb9f942703 |
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1 /* |
7956 | 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. 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 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. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_OOPS_ANNOTATIONS_HPP |
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26 #define SHARE_VM_OOPS_ANNOTATIONS_HPP |
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27 |
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28 #include "oops/metadata.hpp" |
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29 #include "runtime/handles.hpp" |
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30 #include "utilities/array.hpp" |
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31 #include "utilities/exceptions.hpp" |
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32 #include "utilities/globalDefinitions.hpp" |
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33 |
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34 |
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35 class ClassLoaderData; |
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36 class outputStream; |
7956 | 37 class KlassSizeStats; |
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38 |
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39 typedef Array<u1> AnnotationArray; |
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40 |
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41 // Class to hold the various types of annotations. The only metadata that points |
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42 // to this is InstanceKlass, or another Annotations instance if this is a |
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43 // a type_annotation instance. |
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44 |
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45 class Annotations: public MetaspaceObj { |
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46 |
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47 // Annotations for this class, or null if none. |
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48 AnnotationArray* _class_annotations; |
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49 // Annotation objects (byte arrays) for fields, or null if no annotations. |
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50 // Indices correspond to entries (not indices) in fields array. |
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51 Array<AnnotationArray*>* _fields_annotations; |
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52 // Annotation objects (byte arrays) for methods, or null if no annotations. |
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53 // Index is the idnum, which is initially the same as the methods array index. |
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54 Array<AnnotationArray*>* _methods_annotations; |
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55 // Annotation objects (byte arrays) for methods' parameters, or null if no |
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56 // such annotations. |
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57 // Index is the idnum, which is initially the same as the methods array index. |
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58 Array<AnnotationArray*>* _methods_parameter_annotations; |
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59 // Annotation objects (byte arrays) for methods' default values, or null if no |
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60 // such annotations. |
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61 // Index is the idnum, which is initially the same as the methods array index. |
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62 Array<AnnotationArray*>* _methods_default_annotations; |
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63 // Type annotations for this class, or null if none. |
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64 Annotations* _type_annotations; |
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65 |
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66 // Constructor where some some values are known to not be null |
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67 Annotations(Array<AnnotationArray*>* fa, Array<AnnotationArray*>* ma, |
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68 Array<AnnotationArray*>* mpa, Array<AnnotationArray*>* mda) : |
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69 _class_annotations(NULL), |
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70 _fields_annotations(fa), |
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71 _methods_annotations(ma), |
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72 _methods_parameter_annotations(mpa), |
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73 _methods_default_annotations(mda), |
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74 _type_annotations(NULL) {} |
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75 |
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76 public: |
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77 // Allocate instance of this class |
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78 static Annotations* allocate(ClassLoaderData* loader_data, TRAPS); |
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79 static Annotations* allocate(ClassLoaderData* loader_data, |
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80 Array<AnnotationArray*>* fa, |
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81 Array<AnnotationArray*>* ma, |
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82 Array<AnnotationArray*>* mpa, |
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83 Array<AnnotationArray*>* mda, TRAPS); |
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84 void deallocate_contents(ClassLoaderData* loader_data); |
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85 DEBUG_ONLY(bool on_stack() { return false; }) // for template |
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87 // Sizing (in words) | |
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88 static int size() { return sizeof(Annotations) / wordSize; } |
7956 | 89 #if INCLUDE_SERVICES |
90 void collect_statistics(KlassSizeStats *sz) const; | |
91 #endif | |
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92 |
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93 // Constructor to initialize to null |
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94 Annotations() : _class_annotations(NULL), |
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95 _fields_annotations(NULL), |
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96 _methods_annotations(NULL), |
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97 _methods_parameter_annotations(NULL), |
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98 _methods_default_annotations(NULL), |
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99 _type_annotations(NULL) {} |
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100 |
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101 AnnotationArray* class_annotations() const { return _class_annotations; } |
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102 Array<AnnotationArray*>* fields_annotations() const { return _fields_annotations; } |
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103 Array<AnnotationArray*>* methods_annotations() const { return _methods_annotations; } |
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104 Array<AnnotationArray*>* methods_parameter_annotations() const { return _methods_parameter_annotations; } |
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105 Array<AnnotationArray*>* methods_default_annotations() const { return _methods_default_annotations; } |
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106 Annotations* type_annotations() const { return _type_annotations; } |
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107 |
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108 void set_class_annotations(AnnotationArray* md) { _class_annotations = md; } |
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109 void set_fields_annotations(Array<AnnotationArray*>* md) { _fields_annotations = md; } |
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110 void set_methods_annotations(Array<AnnotationArray*>* md) { _methods_annotations = md; } |
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111 void set_methods_parameter_annotations(Array<AnnotationArray*>* md) { _methods_parameter_annotations = md; } |
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112 void set_methods_default_annotations(Array<AnnotationArray*>* md) { _methods_default_annotations = md; } |
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113 void set_type_annotations(Annotations* annos) { _type_annotations = annos; } |
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114 |
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115 // Redefine classes support |
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116 AnnotationArray* get_method_annotations_of(int idnum) |
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117 { return get_method_annotations_from(idnum, _methods_annotations); } |
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118 |
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119 AnnotationArray* get_method_parameter_annotations_of(int idnum) |
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120 { return get_method_annotations_from(idnum, _methods_parameter_annotations); } |
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121 AnnotationArray* get_method_default_annotations_of(int idnum) |
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122 { return get_method_annotations_from(idnum, _methods_default_annotations); } |
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123 |
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124 |
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125 void set_method_annotations_of(instanceKlassHandle ik, |
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126 int idnum, AnnotationArray* anno, TRAPS) { |
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127 set_methods_annotations_of(ik, idnum, anno, &_methods_annotations, THREAD); |
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128 } |
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129 |
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130 void set_method_parameter_annotations_of(instanceKlassHandle ik, |
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131 int idnum, AnnotationArray* anno, TRAPS) { |
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132 set_methods_annotations_of(ik, idnum, anno, &_methods_parameter_annotations, THREAD); |
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133 } |
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134 |
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135 void set_method_default_annotations_of(instanceKlassHandle ik, |
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136 int idnum, AnnotationArray* anno, TRAPS) { |
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137 set_methods_annotations_of(ik, idnum, anno, &_methods_default_annotations, THREAD); |
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138 } |
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139 |
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140 // Turn metadata annotations into a Java heap object (oop) |
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141 static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS); |
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142 |
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143 inline AnnotationArray* get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos); |
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144 void set_annotations(Array<AnnotationArray*>* md, Array<AnnotationArray*>** md_p) { *md_p = md; } |
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145 |
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146 bool is_klass() const { return false; } |
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147 private: |
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148 void set_methods_annotations_of(instanceKlassHandle ik, |
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149 int idnum, AnnotationArray* anno, |
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150 Array<AnnotationArray*>** md_p, TRAPS); |
7956 | 151 static julong count_bytes(Array<AnnotationArray*>* p); |
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152 public: |
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153 const char* internal_name() const { return "{constant pool}"; } |
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154 #ifndef PRODUCT |
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155 void print_on(outputStream* st) const; |
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156 #endif |
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157 void print_value_on(outputStream* st) const; |
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158 }; |
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159 |
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160 |
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161 // For method with idnum get the method's Annotations |
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162 inline AnnotationArray* Annotations::get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos) { |
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163 if (annos == NULL || annos->length() <= idnum) { |
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164 return NULL; |
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165 } |
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166 return annos->at(idnum); |
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167 } |
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168 #endif // SHARE_VM_OOPS_ANNOTATIONS_HPP |