< prev index next >

src/hotspot/share/classfile/classFileParser.hpp

Print this page

 58   unsigned int _max_nonstatic_oop_maps;
 59 
 60   OopMapBlocksBuilder(unsigned int  max_blocks);
 61   OopMapBlock* last_oop_map() const;
 62   void initialize_inherited_blocks(OopMapBlock* blocks, unsigned int nof_blocks);
 63   void add(int offset, int count);
 64   void copy(OopMapBlock* dst);
 65   void compact();
 66   void print_on(outputStream* st) const;
 67   void print_value_on(outputStream* st) const;
 68 };
 69 
 70 // Values needed for oopmap and InstanceKlass creation
 71 class FieldLayoutInfo : public ResourceObj {
 72  public:
 73   OopMapBlocksBuilder* oop_map_blocks;
 74   int _instance_size;
 75   int _nonstatic_field_size;
 76   int _static_field_size;
 77   bool  _has_nonstatic_fields;


 78 };
 79 
 80 // Parser for for .class files
 81 //
 82 // The bytes describing the class file structure is read from a Stream object
 83 
 84 class ClassFileParser {
 85   friend class FieldLayoutBuilder;
 86   friend class FieldLayout;
 87 
 88   class ClassAnnotationCollector;
 89   class FieldAllocationCount;
 90   class FieldAnnotationCollector;
 91 
 92  public:
 93   // The ClassFileParser has an associated "publicity" level
 94   // It is used to control which subsystems (if any)
 95   // will observe the parsing (logging, events, tracing).
 96   // Default level is "BROADCAST", which is equivalent to
 97   // a "public" parsing attempt.

112 
113   const ClassFileStream* _stream; // Actual input stream
114   Symbol* _class_name;
115   mutable ClassLoaderData* _loader_data;
116   const bool _is_hidden;
117   const bool _can_access_vm_annotations;
118   int _orig_cp_size;
119 
120   // Metadata created before the instance klass is created.  Must be deallocated
121   // if not transferred to the InstanceKlass upon successful class loading
122   // in which case these pointers have been set to NULL.
123   const InstanceKlass* _super_klass;
124   ConstantPool* _cp;
125   Array<u2>* _fields;
126   Array<Method*>* _methods;
127   Array<u2>* _inner_classes;
128   Array<u2>* _nest_members;
129   u2 _nest_host;
130   Array<u2>* _permitted_subclasses;
131   Array<RecordComponent*>* _record_components;

132   Array<InstanceKlass*>* _local_interfaces;
133   Array<InstanceKlass*>* _transitive_interfaces;
134   Annotations* _combined_annotations;
135   AnnotationArray* _class_annotations;
136   AnnotationArray* _class_type_annotations;
137   Array<AnnotationArray*>* _fields_annotations;
138   Array<AnnotationArray*>* _fields_type_annotations;
139   InstanceKlass* _klass;  // InstanceKlass* once created.
140   InstanceKlass* _klass_to_deallocate; // an InstanceKlass* to be destroyed
141 
142   ClassAnnotationCollector* _parsed_annotations;
143   FieldAllocationCount* _fac;
144   FieldLayoutInfo* _field_info;
145   const intArray* _method_ordering;
146   GrowableArray<Method*>* _all_mirandas;
147 
148   enum { fixed_buffer_size = 128 };
149   u_char _linenumbertable_buffer[fixed_buffer_size];
150 
151   // Size of Java vtable (in words)
152   int _vtable_size;
153   int _itable_size;
154 
155   int _num_miranda_methods;
156 




157   ReferenceType _rt;
158   Handle _protection_domain;
159   AccessFlags _access_flags;
160 
161   // for tracing and notifications
162   Publicity _pub_level;
163 
164   // Used to keep track of whether a constant pool item 19 or 20 is found.  These
165   // correspond to CONSTANT_Module and CONSTANT_Package tags and are not allowed
166   // in regular class files.  For class file version >= 53, a CFE cannot be thrown
167   // immediately when these are seen because a NCDFE must be thrown if the class's
168   // access_flags have ACC_MODULE set.  But, the access_flags haven't been looked
169   // at yet.  So, the bad constant pool item is cached here.  A value of zero
170   // means that no constant pool item 19 or 20 was found.
171   short _bad_constant_seen;
172 
173   // class attributes parsed before the instance klass is created:
174   bool _synthetic_flag;
175   int _sde_length;
176   const char* _sde_buffer;
177   u2 _sourcefile_index;
178   u2 _generic_signature_index;
179 
180   u2 _major_version;
181   u2 _minor_version;
182   u2 _this_class_index;
183   u2 _super_class_index;
184   u2 _itfs_len;
185   u2 _java_fields_count;
186 
187   bool _need_verify;
188   bool _relax_verify;
189 
190   bool _has_nonstatic_concrete_methods;
191   bool _declares_nonstatic_concrete_methods;
192   bool _has_final_method;
193   bool _has_contended_fields;
194 












195   // precomputed flags
196   bool _has_finalizer;
197   bool _has_empty_finalizer;
198   bool _has_vanilla_constructor;
199   int _max_bootstrap_specifier_index;  // detects BSS values
200 
201   void parse_stream(const ClassFileStream* const stream, TRAPS);
202 
203   void mangle_hidden_class_name(InstanceKlass* const ik);
204 
205   void post_process_parsed_stream(const ClassFileStream* const stream,
206                                   ConstantPool* cp,
207                                   TRAPS);
208 
209   void fill_instance_klass(InstanceKlass* ik, bool cf_changed_in_CFLH,
210                            const ClassInstanceInfo& cl_inst_info, TRAPS);
211 
212   void set_klass(InstanceKlass* instance);
213 
214   void set_class_bad_constant_seen(short bad_constant);

222   void apply_parsed_class_attributes(InstanceKlass* k);  // update k
223   void apply_parsed_class_metadata(InstanceKlass* k, int fields_count);
224   void clear_class_metadata();
225 
226   // Constant pool parsing
227   void parse_constant_pool_entries(const ClassFileStream* const stream,
228                                    ConstantPool* cp,
229                                    const int length,
230                                    TRAPS);
231 
232   void parse_constant_pool(const ClassFileStream* const cfs,
233                            ConstantPool* const cp,
234                            const int length,
235                            TRAPS);
236 
237   // Interface parsing
238   void parse_interfaces(const ClassFileStream* const stream,
239                         const int itfs_len,
240                         ConstantPool* const cp,
241                         bool* has_nonstatic_concrete_methods,

242                         TRAPS);
243 
244   const InstanceKlass* parse_super_class(ConstantPool* const cp,
245                                          const int super_class_index,
246                                          const bool need_verify,
247                                          TRAPS);
248 
249   // Field parsing
250   void parse_field_attributes(const ClassFileStream* const cfs,
251                               u2 attributes_count,
252                               bool is_static,
253                               u2 signature_index,
254                               u2* const constantvalue_index_addr,
255                               bool* const is_synthetic_addr,
256                               u2* const generic_signature_index_addr,
257                               FieldAnnotationCollector* parsed_annotations,
258                               TRAPS);
259 
260   void parse_fields(const ClassFileStream* const cfs,
261                     bool is_interface,

262                     FieldAllocationCount* const fac,
263                     ConstantPool* cp,
264                     const int cp_size,
265                     u2* const java_fields_count_ptr,
266                     TRAPS);
267 
268   // Method parsing
269   Method* parse_method(const ClassFileStream* const cfs,
270                        bool is_interface,

271                        const ConstantPool* cp,
272                        AccessFlags* const promoted_flags,
273                        TRAPS);
274 
275   void parse_methods(const ClassFileStream* const cfs,
276                      bool is_interface,

277                      AccessFlags* const promoted_flags,
278                      bool* const has_final_method,
279                      bool* const declares_nonstatic_concrete_methods,
280                      TRAPS);
281 
282   const unsafe_u2* parse_exception_table(const ClassFileStream* const stream,
283                                          u4 code_length,
284                                          u4 exception_table_length,
285                                          TRAPS);
286 
287   void parse_linenumber_table(u4 code_attribute_length,
288                               u4 code_length,
289                               CompressedLineNumberWriteStream**const write_stream,
290                               TRAPS);
291 
292   const unsafe_u2* parse_localvariable_table(const ClassFileStream* const cfs,
293                                              u4 code_length,
294                                              u2 max_locals,
295                                              u4 code_attribute_length,
296                                              u2* const localvariable_table_length,

429   inline void guarantee_property(bool b,
430                                  const char* msg,
431                                  const char *name,
432                                  TRAPS) const {
433     if (!b) { classfile_parse_error(msg, name, THREAD); return; }
434   }
435 
436   inline void guarantee_property(bool b,
437                                  const char* msg,
438                                  int index,
439                                  const char *name,
440                                  TRAPS) const {
441     if (!b) { classfile_parse_error(msg, index, name, THREAD); return; }
442   }
443 
444   void throwIllegalSignature(const char* type,
445                              const Symbol* name,
446                              const Symbol* sig,
447                              TRAPS) const;
448 





449   void verify_constantvalue(const ConstantPool* const cp,
450                             int constantvalue_index,
451                             int signature_index,
452                             TRAPS) const;
453 
454   void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) const;
455   void verify_legal_class_name(const Symbol* name, TRAPS) const;
456   void verify_legal_field_name(const Symbol* name, TRAPS) const;
457   void verify_legal_method_name(const Symbol* name, TRAPS) const;
458 
459   void verify_legal_field_signature(const Symbol* fieldname,
460                                     const Symbol* signature,
461                                     TRAPS) const;
462   int  verify_legal_method_signature(const Symbol* methodname,
463                                      const Symbol* signature,
464                                      TRAPS) const;
465   void verify_legal_name_with_signature(const Symbol* name,
466                                         const Symbol* signature,
467                                         TRAPS) const;
468 
469   void verify_class_version(u2 major, u2 minor, Symbol* class_name, TRAPS);
470 
471   void verify_legal_class_modifiers(jint flags, TRAPS) const;
472   void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS) const;



473   void verify_legal_method_modifiers(jint flags,
474                                      bool is_interface,

475                                      const Symbol* name,
476                                      TRAPS) const;
477 
478   void check_super_class_access(const InstanceKlass* this_klass,
479                                 TRAPS);
480 
481   void check_super_interface_access(const InstanceKlass* this_klass,
482                                     TRAPS);
483 
484   const char* skip_over_field_signature(const char* signature,
485                                         bool void_ok,
486                                         unsigned int length,
487                                         TRAPS) const;
488 
489   // Wrapper for constantTag.is_klass_[or_]reference.
490   // In older versions of the VM, Klass*s cannot sneak into early phases of
491   // constant pool construction, but in later versions they can.
492   // %%% Let's phase out the old is_klass_reference.
493   bool valid_klass_reference_at(int index) const {
494     return _cp->is_within_bounds(index) &&

512 
513   void copy_method_annotations(ConstMethod* cm,
514                                const u1* runtime_visible_annotations,
515                                int runtime_visible_annotations_length,
516                                const u1* runtime_invisible_annotations,
517                                int runtime_invisible_annotations_length,
518                                const u1* runtime_visible_parameter_annotations,
519                                int runtime_visible_parameter_annotations_length,
520                                const u1* runtime_invisible_parameter_annotations,
521                                int runtime_invisible_parameter_annotations_length,
522                                const u1* runtime_visible_type_annotations,
523                                int runtime_visible_type_annotations_length,
524                                const u1* runtime_invisible_type_annotations,
525                                int runtime_invisible_type_annotations_length,
526                                const u1* annotation_default,
527                                int annotation_default_length,
528                                TRAPS);
529 
530   void update_class_name(Symbol* new_name);
531 



532  public:
533   ClassFileParser(ClassFileStream* stream,
534                   Symbol* name,
535                   ClassLoaderData* loader_data,
536                   const ClassLoadInfo* cl_info,
537                   Publicity pub_level,
538                   TRAPS);
539 
540   ~ClassFileParser();
541 
542   InstanceKlass* create_instance_klass(bool cf_changed_in_CFLH, const ClassInstanceInfo& cl_inst_info, TRAPS);
543 
544   const ClassFileStream* clone_stream() const;
545 
546   void set_klass_to_deallocate(InstanceKlass* klass);
547 
548   int static_field_size() const;
549   int total_oop_map_count() const;
550   jint layout_size() const;
551 
552   int vtable_size() const { return _vtable_size; }
553   int itable_size() const { return _itable_size; }
554 
555   u2 this_class_index() const { return _this_class_index; }
556 
557   bool is_hidden() const { return _is_hidden; }
558   bool is_interface() const { return _access_flags.is_interface(); }










559 
560   ClassLoaderData* loader_data() const { return _loader_data; }
561   const Symbol* class_name() const { return _class_name; }
562   const InstanceKlass* super_klass() const { return _super_klass; }
563 
564   ReferenceType reference_type() const { return _rt; }
565   AccessFlags access_flags() const { return _access_flags; }
566 
567   bool is_internal() const { return INTERNAL == _pub_level; }
568 
569   static bool verify_unqualified_name(const char* name, unsigned int length, int type);
570 
571 #ifdef ASSERT
572   static bool is_internal_format(Symbol* class_name);
573 #endif
574 
575 };
576 
577 #endif // SHARE_CLASSFILE_CLASSFILEPARSER_HPP

 58   unsigned int _max_nonstatic_oop_maps;
 59 
 60   OopMapBlocksBuilder(unsigned int  max_blocks);
 61   OopMapBlock* last_oop_map() const;
 62   void initialize_inherited_blocks(OopMapBlock* blocks, unsigned int nof_blocks);
 63   void add(int offset, int count);
 64   void copy(OopMapBlock* dst);
 65   void compact();
 66   void print_on(outputStream* st) const;
 67   void print_value_on(outputStream* st) const;
 68 };
 69 
 70 // Values needed for oopmap and InstanceKlass creation
 71 class FieldLayoutInfo : public ResourceObj {
 72  public:
 73   OopMapBlocksBuilder* oop_map_blocks;
 74   int _instance_size;
 75   int _nonstatic_field_size;
 76   int _static_field_size;
 77   bool  _has_nonstatic_fields;
 78   bool  _is_naturally_atomic;
 79   bool _has_inline_fields;
 80 };
 81 
 82 // Parser for for .class files
 83 //
 84 // The bytes describing the class file structure is read from a Stream object
 85 
 86 class ClassFileParser {
 87   friend class FieldLayoutBuilder;
 88   friend class FieldLayout;
 89 
 90   class ClassAnnotationCollector;
 91   class FieldAllocationCount;
 92   class FieldAnnotationCollector;
 93 
 94  public:
 95   // The ClassFileParser has an associated "publicity" level
 96   // It is used to control which subsystems (if any)
 97   // will observe the parsing (logging, events, tracing).
 98   // Default level is "BROADCAST", which is equivalent to
 99   // a "public" parsing attempt.

114 
115   const ClassFileStream* _stream; // Actual input stream
116   Symbol* _class_name;
117   mutable ClassLoaderData* _loader_data;
118   const bool _is_hidden;
119   const bool _can_access_vm_annotations;
120   int _orig_cp_size;
121 
122   // Metadata created before the instance klass is created.  Must be deallocated
123   // if not transferred to the InstanceKlass upon successful class loading
124   // in which case these pointers have been set to NULL.
125   const InstanceKlass* _super_klass;
126   ConstantPool* _cp;
127   Array<u2>* _fields;
128   Array<Method*>* _methods;
129   Array<u2>* _inner_classes;
130   Array<u2>* _nest_members;
131   u2 _nest_host;
132   Array<u2>* _permitted_subclasses;
133   Array<RecordComponent*>* _record_components;
134   GrowableArray<InstanceKlass*>* _temp_local_interfaces;
135   Array<InstanceKlass*>* _local_interfaces;
136   Array<InstanceKlass*>* _transitive_interfaces;
137   Annotations* _combined_annotations;
138   AnnotationArray* _class_annotations;
139   AnnotationArray* _class_type_annotations;
140   Array<AnnotationArray*>* _fields_annotations;
141   Array<AnnotationArray*>* _fields_type_annotations;
142   InstanceKlass* _klass;  // InstanceKlass* once created.
143   InstanceKlass* _klass_to_deallocate; // an InstanceKlass* to be destroyed
144 
145   ClassAnnotationCollector* _parsed_annotations;
146   FieldAllocationCount* _fac;
147   FieldLayoutInfo* _field_info;
148   const intArray* _method_ordering;
149   GrowableArray<Method*>* _all_mirandas;
150 
151   enum { fixed_buffer_size = 128 };
152   u_char _linenumbertable_buffer[fixed_buffer_size];
153 
154   // Size of Java vtable (in words)
155   int _vtable_size;
156   int _itable_size;
157 
158   int _num_miranda_methods;
159 
160   int _alignment;
161   int _first_field_offset;
162   int _exact_size_in_bytes;
163 
164   ReferenceType _rt;
165   Handle _protection_domain;
166   AccessFlags _access_flags;
167 
168   // for tracing and notifications
169   Publicity _pub_level;
170 
171   // Used to keep track of whether a constant pool item 19 or 20 is found.  These
172   // correspond to CONSTANT_Module and CONSTANT_Package tags and are not allowed
173   // in regular class files.  For class file version >= 53, a CFE cannot be thrown
174   // immediately when these are seen because a NCDFE must be thrown if the class's
175   // access_flags have ACC_MODULE set.  But, the access_flags haven't been looked
176   // at yet.  So, the bad constant pool item is cached here.  A value of zero
177   // means that no constant pool item 19 or 20 was found.
178   short _bad_constant_seen;
179 
180   // class attributes parsed before the instance klass is created:
181   bool _synthetic_flag;
182   int _sde_length;
183   const char* _sde_buffer;
184   u2 _sourcefile_index;
185   u2 _generic_signature_index;
186 
187   u2 _major_version;
188   u2 _minor_version;
189   u2 _this_class_index;
190   u2 _super_class_index;
191   u2 _itfs_len;
192   u2 _java_fields_count;
193 
194   bool _need_verify;
195   bool _relax_verify;
196 
197   bool _has_nonstatic_concrete_methods;
198   bool _declares_nonstatic_concrete_methods;
199   bool _has_final_method;
200   bool _has_contended_fields;
201 
202   bool _has_inline_type_fields;
203   bool _has_nonstatic_fields;
204   bool _is_empty_inline_type;
205   bool _is_naturally_atomic;
206   bool _is_declared_atomic;
207   bool _invalid_inline_super;   // if true, invalid super type for an inline type.
208   bool _invalid_identity_super; // if true, invalid super type for an identity type.
209   bool _implements_identityObject;
210   bool _has_injected_identityObject;
211   bool _implements_primitiveObject;
212   bool _has_injected_primitiveObject;
213 
214   // precomputed flags
215   bool _has_finalizer;
216   bool _has_empty_finalizer;
217   bool _has_vanilla_constructor;
218   int _max_bootstrap_specifier_index;  // detects BSS values
219 
220   void parse_stream(const ClassFileStream* const stream, TRAPS);
221 
222   void mangle_hidden_class_name(InstanceKlass* const ik);
223 
224   void post_process_parsed_stream(const ClassFileStream* const stream,
225                                   ConstantPool* cp,
226                                   TRAPS);
227 
228   void fill_instance_klass(InstanceKlass* ik, bool cf_changed_in_CFLH,
229                            const ClassInstanceInfo& cl_inst_info, TRAPS);
230 
231   void set_klass(InstanceKlass* instance);
232 
233   void set_class_bad_constant_seen(short bad_constant);

241   void apply_parsed_class_attributes(InstanceKlass* k);  // update k
242   void apply_parsed_class_metadata(InstanceKlass* k, int fields_count);
243   void clear_class_metadata();
244 
245   // Constant pool parsing
246   void parse_constant_pool_entries(const ClassFileStream* const stream,
247                                    ConstantPool* cp,
248                                    const int length,
249                                    TRAPS);
250 
251   void parse_constant_pool(const ClassFileStream* const cfs,
252                            ConstantPool* const cp,
253                            const int length,
254                            TRAPS);
255 
256   // Interface parsing
257   void parse_interfaces(const ClassFileStream* const stream,
258                         const int itfs_len,
259                         ConstantPool* const cp,
260                         bool* has_nonstatic_concrete_methods,
261                         bool* is_declared_atomic,
262                         TRAPS);
263 
264   const InstanceKlass* parse_super_class(ConstantPool* const cp,
265                                          const int super_class_index,
266                                          const bool need_verify,
267                                          TRAPS);
268 
269   // Field parsing
270   void parse_field_attributes(const ClassFileStream* const cfs,
271                               u2 attributes_count,
272                               bool is_static,
273                               u2 signature_index,
274                               u2* const constantvalue_index_addr,
275                               bool* const is_synthetic_addr,
276                               u2* const generic_signature_index_addr,
277                               FieldAnnotationCollector* parsed_annotations,
278                               TRAPS);
279 
280   void parse_fields(const ClassFileStream* const cfs,
281                     bool is_interface,
282                     bool is_inline_type,
283                     FieldAllocationCount* const fac,
284                     ConstantPool* cp,
285                     const int cp_size,
286                     u2* const java_fields_count_ptr,
287                     TRAPS);
288 
289   // Method parsing
290   Method* parse_method(const ClassFileStream* const cfs,
291                        bool is_interface,
292                        bool is_inline_type,
293                        const ConstantPool* cp,
294                        AccessFlags* const promoted_flags,
295                        TRAPS);
296 
297   void parse_methods(const ClassFileStream* const cfs,
298                      bool is_interface,
299                      bool is_inline_type,
300                      AccessFlags* const promoted_flags,
301                      bool* const has_final_method,
302                      bool* const declares_nonstatic_concrete_methods,
303                      TRAPS);
304 
305   const unsafe_u2* parse_exception_table(const ClassFileStream* const stream,
306                                          u4 code_length,
307                                          u4 exception_table_length,
308                                          TRAPS);
309 
310   void parse_linenumber_table(u4 code_attribute_length,
311                               u4 code_length,
312                               CompressedLineNumberWriteStream**const write_stream,
313                               TRAPS);
314 
315   const unsafe_u2* parse_localvariable_table(const ClassFileStream* const cfs,
316                                              u4 code_length,
317                                              u2 max_locals,
318                                              u4 code_attribute_length,
319                                              u2* const localvariable_table_length,

452   inline void guarantee_property(bool b,
453                                  const char* msg,
454                                  const char *name,
455                                  TRAPS) const {
456     if (!b) { classfile_parse_error(msg, name, THREAD); return; }
457   }
458 
459   inline void guarantee_property(bool b,
460                                  const char* msg,
461                                  int index,
462                                  const char *name,
463                                  TRAPS) const {
464     if (!b) { classfile_parse_error(msg, index, name, THREAD); return; }
465   }
466 
467   void throwIllegalSignature(const char* type,
468                              const Symbol* name,
469                              const Symbol* sig,
470                              TRAPS) const;
471 
472   void throwInlineTypeLimitation(THREAD_AND_LOCATION_DECL,
473                                  const char* msg,
474                                  const Symbol* name = NULL,
475                                  const Symbol* sig  = NULL) const;
476 
477   void verify_constantvalue(const ConstantPool* const cp,
478                             int constantvalue_index,
479                             int signature_index,
480                             TRAPS) const;
481 
482   void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) const;
483   void verify_legal_class_name(const Symbol* name, TRAPS) const;
484   void verify_legal_field_name(const Symbol* name, TRAPS) const;
485   void verify_legal_method_name(const Symbol* name, TRAPS) const;
486 
487   void verify_legal_field_signature(const Symbol* fieldname,
488                                     const Symbol* signature,
489                                     TRAPS) const;
490   int  verify_legal_method_signature(const Symbol* methodname,
491                                      const Symbol* signature,
492                                      TRAPS) const;
493   void verify_legal_name_with_signature(const Symbol* name,
494                                         const Symbol* signature,
495                                         TRAPS) const;
496 
497   void verify_class_version(u2 major, u2 minor, Symbol* class_name, TRAPS);
498 
499   void verify_legal_class_modifiers(jint flags, TRAPS) const;
500   void verify_legal_field_modifiers(jint flags,
501                                     bool is_interface,
502                                     bool is_inline_type,
503                                     TRAPS) const;
504   void verify_legal_method_modifiers(jint flags,
505                                      bool is_interface,
506                                      bool is_inline_type,
507                                      const Symbol* name,
508                                      TRAPS) const;
509 
510   void check_super_class_access(const InstanceKlass* this_klass,
511                                 TRAPS);
512 
513   void check_super_interface_access(const InstanceKlass* this_klass,
514                                     TRAPS);
515 
516   const char* skip_over_field_signature(const char* signature,
517                                         bool void_ok,
518                                         unsigned int length,
519                                         TRAPS) const;
520 
521   // Wrapper for constantTag.is_klass_[or_]reference.
522   // In older versions of the VM, Klass*s cannot sneak into early phases of
523   // constant pool construction, but in later versions they can.
524   // %%% Let's phase out the old is_klass_reference.
525   bool valid_klass_reference_at(int index) const {
526     return _cp->is_within_bounds(index) &&

544 
545   void copy_method_annotations(ConstMethod* cm,
546                                const u1* runtime_visible_annotations,
547                                int runtime_visible_annotations_length,
548                                const u1* runtime_invisible_annotations,
549                                int runtime_invisible_annotations_length,
550                                const u1* runtime_visible_parameter_annotations,
551                                int runtime_visible_parameter_annotations_length,
552                                const u1* runtime_invisible_parameter_annotations,
553                                int runtime_invisible_parameter_annotations_length,
554                                const u1* runtime_visible_type_annotations,
555                                int runtime_visible_type_annotations_length,
556                                const u1* runtime_invisible_type_annotations,
557                                int runtime_invisible_type_annotations_length,
558                                const u1* annotation_default,
559                                int annotation_default_length,
560                                TRAPS);
561 
562   void update_class_name(Symbol* new_name);
563 
564   // Check if the class file supports inline types
565   bool supports_inline_types() const;
566 
567  public:
568   ClassFileParser(ClassFileStream* stream,
569                   Symbol* name,
570                   ClassLoaderData* loader_data,
571                   const ClassLoadInfo* cl_info,
572                   Publicity pub_level,
573                   TRAPS);
574 
575   ~ClassFileParser();
576 
577   InstanceKlass* create_instance_klass(bool cf_changed_in_CFLH, const ClassInstanceInfo& cl_inst_info, TRAPS);
578 
579   const ClassFileStream* clone_stream() const;
580 
581   void set_klass_to_deallocate(InstanceKlass* klass);
582 
583   int static_field_size() const;
584   int total_oop_map_count() const;
585   jint layout_size() const;
586 
587   int vtable_size() const { return _vtable_size; }
588   int itable_size() const { return _itable_size; }
589 
590   u2 this_class_index() const { return _this_class_index; }
591 
592   bool is_hidden() const { return _is_hidden; }
593   bool is_interface() const { return _access_flags.is_interface(); }
594   bool is_inline_type() const { return _access_flags.is_inline_type(); }
595   bool is_value_capable_class() const;
596   bool has_inline_fields() const { return _has_inline_type_fields; }
597   bool invalid_inline_super() const { return _invalid_inline_super; }
598   void set_invalid_inline_super() { _invalid_inline_super = true; }
599   bool invalid_identity_super() const { return _invalid_identity_super; }
600   void set_invalid_identity_super() { _invalid_identity_super = true; }
601   bool is_invalid_super_for_inline_type();
602 
603   u2 java_fields_count() const { return _java_fields_count; }
604 
605   ClassLoaderData* loader_data() const { return _loader_data; }
606   const Symbol* class_name() const { return _class_name; }
607   const InstanceKlass* super_klass() const { return _super_klass; }
608 
609   ReferenceType reference_type() const { return _rt; }
610   AccessFlags access_flags() const { return _access_flags; }
611 
612   bool is_internal() const { return INTERNAL == _pub_level; }
613 
614   static bool verify_unqualified_name(const char* name, unsigned int length, int type);
615 
616 #ifdef ASSERT
617   static bool is_internal_format(Symbol* class_name);
618 #endif
619 
620 };
621 
622 #endif // SHARE_CLASSFILE_CLASSFILEPARSER_HPP
< prev index next >