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comparison src/share/vm/classfile/classFileParser.hpp @ 6226:9c9fb30d2b3b

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Merge
author kvn
date Mon, 16 Jul 2012 19:50:52 -0700
parents 6d8f36bcef55
children dd785aabe02b
comparison
equal deleted inserted replaced
6212:54e66510c9cd 6226:9c9fb30d2b3b
29 #include "memory/resourceArea.hpp" 29 #include "memory/resourceArea.hpp"
30 #include "oops/oop.inline.hpp" 30 #include "oops/oop.inline.hpp"
31 #include "oops/typeArrayOop.hpp" 31 #include "oops/typeArrayOop.hpp"
32 #include "runtime/handles.inline.hpp" 32 #include "runtime/handles.inline.hpp"
33 #include "utilities/accessFlags.hpp" 33 #include "utilities/accessFlags.hpp"
34 34 #include "classfile/symbolTable.hpp"
35 class TempNewSymbol; 35
36 class FieldAllocationCount; 36 class FieldAllocationCount;
37 37
38 38
39 // Parser for for .class files 39 // Parser for for .class files
40 // 40 //
48 u2 _minor_version; 48 u2 _minor_version;
49 Symbol* _class_name; 49 Symbol* _class_name;
50 KlassHandle _host_klass; 50 KlassHandle _host_klass;
51 GrowableArray<Handle>* _cp_patches; // overrides for CP entries 51 GrowableArray<Handle>* _cp_patches; // overrides for CP entries
52 52
53 // precomputed flags
53 bool _has_finalizer; 54 bool _has_finalizer;
54 bool _has_empty_finalizer; 55 bool _has_empty_finalizer;
55 bool _has_vanilla_constructor; 56 bool _has_vanilla_constructor;
56 57 int _max_bootstrap_specifier_index; // detects BSS values
57 int _max_bootstrap_specifier_index; 58
59 // class attributes parsed before the instance klass is created:
60 bool _synthetic_flag;
61 Symbol* _sourcefile;
62 Symbol* _generic_signature;
63 char* _sde_buffer;
64 int _sde_length;
65 typeArrayHandle _inner_classes;
66 typeArrayHandle _annotations;
67
68 void set_class_synthetic_flag(bool x) { _synthetic_flag = x; }
69 void set_class_sourcefile(Symbol* x) { _sourcefile = x; }
70 void set_class_generic_signature(Symbol* x) { _generic_signature = x; }
71 void set_class_sde_buffer(char* x, int len) { _sde_buffer = x; _sde_length = len; }
72 void set_class_inner_classes(typeArrayHandle x) { _inner_classes = x; }
73 void set_class_annotations(typeArrayHandle x) { _annotations = x; }
74 void init_parsed_class_attributes() {
75 _synthetic_flag = false;
76 _sourcefile = NULL;
77 _generic_signature = NULL;
78 _sde_buffer = NULL;
79 _sde_length = 0;
80 // initialize the other flags too:
81 _has_finalizer = _has_empty_finalizer = _has_vanilla_constructor = false;
82 _max_bootstrap_specifier_index = -1;
83 }
84 void apply_parsed_class_attributes(instanceKlassHandle k); // update k
85
86 class AnnotationCollector {
87 public:
88 enum Location { _in_field, _in_method, _in_class };
89 enum ID {
90 _unknown = 0,
91 _method_ForceInline,
92 _annotation_LIMIT
93 };
94 const Location _location;
95 int _annotations_present;
96 AnnotationCollector(Location location)
97 : _location(location), _annotations_present(0)
98 {
99 assert((int)_annotation_LIMIT <= (int)sizeof(_annotations_present) * BitsPerByte, "");
100 }
101 // If this annotation name has an ID, report it (or _none).
102 ID annotation_index(Symbol* name);
103 // Set the annotation name:
104 void set_annotation(ID id) {
105 assert((int)id >= 0 && (int)id < (int)_annotation_LIMIT, "oob");
106 _annotations_present |= nth_bit((int)id);
107 }
108 // Report if the annotation is present.
109 bool has_any_annotations() { return _annotations_present != 0; }
110 bool has_annotation(ID id) { return (nth_bit((int)id) & _annotations_present) != 0; }
111 };
112 class FieldAnnotationCollector: public AnnotationCollector {
113 public:
114 FieldAnnotationCollector() : AnnotationCollector(_in_field) { }
115 void apply_to(FieldInfo* f);
116 };
117 class MethodAnnotationCollector: public AnnotationCollector {
118 public:
119 MethodAnnotationCollector() : AnnotationCollector(_in_method) { }
120 void apply_to(methodHandle m);
121 };
122 class ClassAnnotationCollector: public AnnotationCollector {
123 public:
124 ClassAnnotationCollector() : AnnotationCollector(_in_class) { }
125 void apply_to(instanceKlassHandle k);
126 };
58 127
59 enum { fixed_buffer_size = 128 }; 128 enum { fixed_buffer_size = 128 };
60 u_char linenumbertable_buffer[fixed_buffer_size]; 129 u_char linenumbertable_buffer[fixed_buffer_size];
61 130
62 ClassFileStream* _stream; // Actual input stream 131 ClassFileStream* _stream; // Actual input stream
85 void parse_field_attributes(constantPoolHandle cp, u2 attributes_count, 154 void parse_field_attributes(constantPoolHandle cp, u2 attributes_count,
86 bool is_static, u2 signature_index, 155 bool is_static, u2 signature_index,
87 u2* constantvalue_index_addr, 156 u2* constantvalue_index_addr,
88 bool* is_synthetic_addr, 157 bool* is_synthetic_addr,
89 u2* generic_signature_index_addr, 158 u2* generic_signature_index_addr,
90 typeArrayHandle* field_annotations, TRAPS); 159 typeArrayHandle* field_annotations,
160 FieldAnnotationCollector* parsed_annotations,
161 TRAPS);
91 typeArrayHandle parse_fields(Symbol* class_name, 162 typeArrayHandle parse_fields(Symbol* class_name,
92 constantPoolHandle cp, bool is_interface, 163 constantPoolHandle cp, bool is_interface,
93 FieldAllocationCount *fac, 164 FieldAllocationCount *fac,
94 objArrayHandle* fields_annotations, 165 objArrayHandle* fields_annotations,
95 u2* java_fields_count_ptr, TRAPS); 166 u2* java_fields_count_ptr, TRAPS);
126 void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index, 197 void parse_type_array(u2 array_length, u4 code_length, u4* u1_index, u4* u2_index,
127 u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS); 198 u1* u1_array, u2* u2_array, constantPoolHandle cp, TRAPS);
128 typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS); 199 typeArrayOop parse_stackmap_table(u4 code_attribute_length, TRAPS);
129 200
130 // Classfile attribute parsing 201 // Classfile attribute parsing
131 void parse_classfile_sourcefile_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); 202 void parse_classfile_sourcefile_attribute(constantPoolHandle cp, TRAPS);
132 void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, 203 void parse_classfile_source_debug_extension_attribute(constantPoolHandle cp, int length, TRAPS);
133 instanceKlassHandle k, int length, TRAPS);
134 u2 parse_classfile_inner_classes_attribute(u1* inner_classes_attribute_start, 204 u2 parse_classfile_inner_classes_attribute(u1* inner_classes_attribute_start,
135 bool parsed_enclosingmethod_attribute, 205 bool parsed_enclosingmethod_attribute,
136 u2 enclosing_method_class_index, 206 u2 enclosing_method_class_index,
137 u2 enclosing_method_method_index, 207 u2 enclosing_method_method_index,
138 constantPoolHandle cp, 208 constantPoolHandle cp,
139 instanceKlassHandle k, TRAPS); 209 TRAPS);
140 void parse_classfile_attributes(constantPoolHandle cp, instanceKlassHandle k, TRAPS); 210 void parse_classfile_attributes(constantPoolHandle cp,
141 void parse_classfile_synthetic_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); 211 ClassAnnotationCollector* parsed_annotations,
142 void parse_classfile_signature_attribute(constantPoolHandle cp, instanceKlassHandle k, TRAPS); 212 TRAPS);
143 void parse_classfile_bootstrap_methods_attribute(constantPoolHandle cp, instanceKlassHandle k, u4 attribute_length, TRAPS); 213 void parse_classfile_synthetic_attribute(constantPoolHandle cp, TRAPS);
214 void parse_classfile_signature_attribute(constantPoolHandle cp, TRAPS);
215 void parse_classfile_bootstrap_methods_attribute(constantPoolHandle cp, u4 attribute_length, TRAPS);
144 216
145 // Annotations handling 217 // Annotations handling
146 typeArrayHandle assemble_annotations(u1* runtime_visible_annotations, 218 typeArrayHandle assemble_annotations(u1* runtime_visible_annotations,
147 int runtime_visible_annotations_length, 219 int runtime_visible_annotations_length,
148 u1* runtime_invisible_annotations, 220 u1* runtime_invisible_annotations,
149 int runtime_invisible_annotations_length, TRAPS); 221 int runtime_invisible_annotations_length, TRAPS);
222 int skip_annotation(u1* buffer, int limit, int index);
223 int skip_annotation_value(u1* buffer, int limit, int index);
224 void parse_annotations(u1* buffer, int limit, constantPoolHandle cp,
225 /* Results (currently, only one result is supported): */
226 AnnotationCollector* result,
227 TRAPS);
150 228
151 // Final setup 229 // Final setup
152 unsigned int compute_oop_map_count(instanceKlassHandle super, 230 unsigned int compute_oop_map_count(instanceKlassHandle super,
153 unsigned int nonstatic_oop_count, 231 unsigned int nonstatic_oop_count,
154 int first_nonstatic_oop_offset); 232 int first_nonstatic_oop_offset);