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src/hotspot/share/classfile/classFileParser.hpp

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 57   unsigned int _nonstatic_oop_map_count;
 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 FieldAnnotationCollector;
 90 
 91  public:
 92   // The ClassFileParser has an associated "publicity" level
 93   // It is used to control which subsystems (if any)
 94   // will observe the parsing (logging, events, tracing).
 95   // Default level is "BROADCAST", which is equivalent to
 96   // a "public" parsing attempt.
 97   //

112   const ClassFileStream* _stream; // Actual input stream
113   Symbol* _class_name;
114   mutable ClassLoaderData* _loader_data;
115   const bool _is_hidden;
116   const bool _can_access_vm_annotations;
117   int _orig_cp_size;
118   unsigned int _static_oop_count;
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<u1>* _fieldinfo_stream;
126   Array<FieldStatus>* _fields_status;
127   Array<Method*>* _methods;
128   Array<u2>* _inner_classes;
129   Array<u2>* _nest_members;
130   u2 _nest_host;
131   Array<u2>* _permitted_subclasses;

132   Array<RecordComponent*>* _record_components;
133   Array<InstanceKlass*>* _local_interfaces;

134   Array<InstanceKlass*>* _transitive_interfaces;
135   Annotations* _combined_annotations;
136   AnnotationArray* _class_annotations;
137   AnnotationArray* _class_type_annotations;
138   Array<AnnotationArray*>* _fields_annotations;
139   Array<AnnotationArray*>* _fields_type_annotations;
140   InstanceKlass* _klass;  // InstanceKlass* once created.
141   InstanceKlass* _klass_to_deallocate; // an InstanceKlass* to be destroyed
142 
143   ClassAnnotationCollector* _parsed_annotations;
144   FieldLayoutInfo* _field_info;

145   GrowableArray<FieldInfo>* _temp_field_info;
146   const intArray* _method_ordering;
147   GrowableArray<Method*>* _all_mirandas;
148 
149   enum { fixed_buffer_size = 128 };
150   u_char _linenumbertable_buffer[fixed_buffer_size];
151 
152   // Size of Java vtable (in words)
153   int _vtable_size;
154   int _itable_size;
155 
156   int _num_miranda_methods;
157 

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 
189   bool _has_nonstatic_concrete_methods;
190   bool _declares_nonstatic_concrete_methods;
191   bool _has_localvariable_table;
192   bool _has_final_method;
193   bool _has_contended_fields;
194 







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

240                         bool* has_nonstatic_concrete_methods,
241                         TRAPS);
242 
243   const InstanceKlass* parse_super_class(ConstantPool* const cp,
244                                          const int super_class_index,
245                                          const bool need_verify,
246                                          TRAPS);
247 
248   // Field parsing
249   void parse_field_attributes(const ClassFileStream* const cfs,
250                               u2 attributes_count,
251                               bool is_static,
252                               u2 signature_index,
253                               u2* const constantvalue_index_addr,
254                               bool* const is_synthetic_addr,
255                               u2* const generic_signature_index_addr,
256                               FieldAnnotationCollector* parsed_annotations,
257                               TRAPS);
258 
259   void parse_fields(const ClassFileStream* const cfs,
260                     bool is_interface,
261                     ConstantPool* cp,
262                     const int cp_size,
263                     u2* const java_fields_count_ptr,
264                     TRAPS);
265 
266   // Method parsing
267   Method* parse_method(const ClassFileStream* const cfs,
268                        bool is_interface,


269                        const ConstantPool* cp,
270                        bool* const has_localvariable_table,
271                        TRAPS);
272 
273   void parse_methods(const ClassFileStream* const cfs,
274                      bool is_interface,


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

309 
310   // Check for circularity in InnerClasses attribute.
311   bool check_inner_classes_circularity(const ConstantPool* cp, int length, TRAPS);
312 
313   u2   parse_classfile_inner_classes_attribute(const ClassFileStream* const cfs,
314                                                const ConstantPool* cp,
315                                                const u1* const inner_classes_attribute_start,
316                                                bool parsed_enclosingmethod_attribute,
317                                                u2 enclosing_method_class_index,
318                                                u2 enclosing_method_method_index,
319                                                TRAPS);
320 
321   u2 parse_classfile_nest_members_attribute(const ClassFileStream* const cfs,
322                                             const u1* const nest_members_attribute_start,
323                                             TRAPS);
324 
325   u2 parse_classfile_permitted_subclasses_attribute(const ClassFileStream* const cfs,
326                                                     const u1* const permitted_subclasses_attribute_start,
327                                                     TRAPS);
328 




329   u4 parse_classfile_record_attribute(const ClassFileStream* const cfs,
330                                       const ConstantPool* cp,
331                                       const u1* const record_attribute_start,
332                                       TRAPS);
333 
334   void parse_classfile_attributes(const ClassFileStream* const cfs,
335                                   ConstantPool* cp,
336                                   ClassAnnotationCollector* parsed_annotations,
337                                   TRAPS);
338 
339   void parse_classfile_synthetic_attribute();
340   void parse_classfile_signature_attribute(const ClassFileStream* const cfs, TRAPS);
341   void parse_classfile_bootstrap_methods_attribute(const ClassFileStream* const cfs,
342                                                    ConstantPool* cp,
343                                                    u4 attribute_length,
344                                                    TRAPS);
345 
346   // Annotations handling
347   AnnotationArray* allocate_annotations(const u1* const anno,
348                                         int anno_length,

401                                  const char *name,
402                                  TRAPS) const {
403     if (!b) { classfile_parse_error(msg, index, name, THREAD); return; }
404   }
405 
406   void throwIllegalSignature(const char* type,
407                              const Symbol* name,
408                              const Symbol* sig,
409                              TRAPS) const;
410 
411   void verify_constantvalue(const ConstantPool* const cp,
412                             int constantvalue_index,
413                             int signature_index,
414                             TRAPS) const;
415 
416   void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) const;
417   void verify_legal_class_name(const Symbol* name, TRAPS) const;
418   void verify_legal_field_name(const Symbol* name, TRAPS) const;
419   void verify_legal_method_name(const Symbol* name, TRAPS) const;
420 


421   void verify_legal_field_signature(const Symbol* fieldname,
422                                     const Symbol* signature,
423                                     TRAPS) const;
424   int  verify_legal_method_signature(const Symbol* methodname,
425                                      const Symbol* signature,
426                                      TRAPS) const;
427   void verify_legal_name_with_signature(const Symbol* name,
428                                         const Symbol* signature,
429                                         TRAPS) const;
430 
431   void verify_class_version(u2 major, u2 minor, Symbol* class_name, TRAPS);
432 
433   void verify_legal_class_modifiers(jint flags, TRAPS) const;
434   void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS) const;


435   void verify_legal_method_modifiers(jint flags,
436                                      bool is_interface,
437                                      const Symbol* name,
438                                      TRAPS) const;
439 
440   void check_super_class_access(const InstanceKlass* this_klass,
441                                 TRAPS);
442 
443   void check_super_interface_access(const InstanceKlass* this_klass,
444                                     TRAPS);
445 
446   const char* skip_over_field_signature(const char* signature,
447                                         bool void_ok,
448                                         unsigned int length,
449                                         TRAPS) const;
450 
451   // Wrapper for constantTag.is_klass_[or_]reference.
452   // In older versions of the VM, Klass*s cannot sneak into early phases of
453   // constant pool construction, but in later versions they can.
454   // %%% Let's phase out the old is_klass_reference.
455   bool valid_klass_reference_at(int index) const {
456     return _cp->is_within_bounds(index) &&

468                                 u2* const localvariable_table_length,
469                                 const unsafe_u2** const localvariable_table_start,
470                                 int lvtt_cnt,
471                                 u2* const localvariable_type_table_length,
472                                 const unsafe_u2** const localvariable_type_table_start,
473                                 TRAPS);
474 
475   void copy_method_annotations(ConstMethod* cm,
476                                const u1* runtime_visible_annotations,
477                                int runtime_visible_annotations_length,
478                                const u1* runtime_visible_parameter_annotations,
479                                int runtime_visible_parameter_annotations_length,
480                                const u1* runtime_visible_type_annotations,
481                                int runtime_visible_type_annotations_length,
482                                const u1* annotation_default,
483                                int annotation_default_length,
484                                TRAPS);
485 
486   void update_class_name(Symbol* new_name);
487 



488  public:
489   ClassFileParser(ClassFileStream* stream,
490                   Symbol* name,
491                   ClassLoaderData* loader_data,
492                   const ClassLoadInfo* cl_info,
493                   Publicity pub_level,
494                   TRAPS);
495 
496   ~ClassFileParser();
497 
498   InstanceKlass* create_instance_klass(bool cf_changed_in_CFLH, const ClassInstanceInfo& cl_inst_info, TRAPS);
499 
500   const ClassFileStream* clone_stream() const;
501 
502   void set_klass_to_deallocate(InstanceKlass* klass);
503 
504   int static_field_size() const;
505   int total_oop_map_count() const;
506   jint layout_size() const;
507 
508   int vtable_size() const { return _vtable_size; }
509   int itable_size() const { return _itable_size; }
510 
511   u2 this_class_index() const { return _this_class_index; }
512 
513   bool is_hidden() const { return _is_hidden; }
514   bool is_interface() const { return _access_flags.is_interface(); }







515   bool is_abstract() const { return _access_flags.is_abstract(); }
516 
517   // Returns true if the Klass to be generated will need to be addressable
518   // with a narrow Klass ID.
519   bool klass_needs_narrow_id() const;
520 
521   ClassLoaderData* loader_data() const { return _loader_data; }
522   const Symbol* class_name() const { return _class_name; }
523   const InstanceKlass* super_klass() const { return _super_klass; }
524 
525   ReferenceType super_reference_type() const;
526   bool is_instance_ref_klass() const;
527   bool is_java_lang_ref_Reference_subclass() const;
528 
529   AccessFlags access_flags() const { return _access_flags; }
530 
531   bool is_internal() const { return INTERNAL == _pub_level; }
532 


533   static bool verify_unqualified_name(const char* name, unsigned int length, int type);
534 
535 #ifdef ASSERT
536   static bool is_internal_format(Symbol* class_name);
537 #endif
538 
539 };
540 
541 #endif // SHARE_CLASSFILE_CLASSFILEPARSER_HPP

 57   unsigned int _nonstatic_oop_map_count;
 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   int _payload_alignment;
 78   int _payload_offset;
 79   int _payload_size_in_bytes;
 80   int _non_atomic_size_in_bytes;
 81   int _non_atomic_alignment;
 82   int _atomic_layout_size_in_bytes;
 83   int _nullable_layout_size_in_bytes;
 84   int _null_marker_offset;
 85   int _default_value_offset;
 86   int _null_reset_value_offset;
 87   bool _has_nonstatic_fields;
 88   bool _is_naturally_atomic;
 89   bool _must_be_atomic;
 90   bool _has_inline_fields;
 91   bool _is_empty_inline_klass;
 92 };
 93 
 94 // Parser for for .class files
 95 //
 96 // The bytes describing the class file structure is read from a Stream object
 97 
 98 class ClassFileParser {
 99   friend class FieldLayoutBuilder;
100   friend class FieldLayout;
101 
102   class ClassAnnotationCollector;
103   class FieldAnnotationCollector;
104 
105  public:
106   // The ClassFileParser has an associated "publicity" level
107   // It is used to control which subsystems (if any)
108   // will observe the parsing (logging, events, tracing).
109   // Default level is "BROADCAST", which is equivalent to
110   // a "public" parsing attempt.
111   //

126   const ClassFileStream* _stream; // Actual input stream
127   Symbol* _class_name;
128   mutable ClassLoaderData* _loader_data;
129   const bool _is_hidden;
130   const bool _can_access_vm_annotations;
131   int _orig_cp_size;
132   unsigned int _static_oop_count;
133 
134   // Metadata created before the instance klass is created.  Must be deallocated
135   // if not transferred to the InstanceKlass upon successful class loading
136   // in which case these pointers have been set to null.
137   const InstanceKlass* _super_klass;
138   ConstantPool* _cp;
139   Array<u1>* _fieldinfo_stream;
140   Array<FieldStatus>* _fields_status;
141   Array<Method*>* _methods;
142   Array<u2>* _inner_classes;
143   Array<u2>* _nest_members;
144   u2 _nest_host;
145   Array<u2>* _permitted_subclasses;
146   Array<u2>* _loadable_descriptors;
147   Array<RecordComponent*>* _record_components;
148   Array<InstanceKlass*>* _local_interfaces;
149   GrowableArray<u2>* _local_interface_indexes;
150   Array<InstanceKlass*>* _transitive_interfaces;
151   Annotations* _combined_annotations;
152   AnnotationArray* _class_annotations;
153   AnnotationArray* _class_type_annotations;
154   Array<AnnotationArray*>* _fields_annotations;
155   Array<AnnotationArray*>* _fields_type_annotations;
156   InstanceKlass* _klass;  // InstanceKlass* once created.
157   InstanceKlass* _klass_to_deallocate; // an InstanceKlass* to be destroyed
158 
159   ClassAnnotationCollector* _parsed_annotations;
160   FieldLayoutInfo* _layout_info;
161   Array<InlineLayoutInfo>* _inline_layout_info_array;
162   GrowableArray<FieldInfo>* _temp_field_info;
163   const intArray* _method_ordering;
164   GrowableArray<Method*>* _all_mirandas;
165 
166   enum { fixed_buffer_size = 128 };
167   u_char _linenumbertable_buffer[fixed_buffer_size];
168 
169   // Size of Java vtable (in words)
170   int _vtable_size;
171   int _itable_size;
172 
173   int _num_miranda_methods;
174 
175 
176   Handle _protection_domain;
177   AccessFlags _access_flags;
178 
179   // for tracing and notifications
180   Publicity _pub_level;
181 
182   // Used to keep track of whether a constant pool item 19 or 20 is found.  These
183   // correspond to CONSTANT_Module and CONSTANT_Package tags and are not allowed
184   // in regular class files.  For class file version >= 53, a CFE cannot be thrown
185   // immediately when these are seen because a NCDFE must be thrown if the class's
186   // access_flags have ACC_MODULE set.  But, the access_flags haven't been looked
187   // at yet.  So, the bad constant pool item is cached here.  A value of zero
188   // means that no constant pool item 19 or 20 was found.
189   short _bad_constant_seen;
190 
191   // class attributes parsed before the instance klass is created:
192   bool _synthetic_flag;
193   int _sde_length;
194   const char* _sde_buffer;
195   u2 _sourcefile_index;
196   u2 _generic_signature_index;
197 
198   u2 _major_version;
199   u2 _minor_version;
200   u2 _this_class_index;
201   u2 _super_class_index;
202   u2 _itfs_len;
203   u2 _java_fields_count;
204 
205   bool _need_verify;
206 
207   bool _has_nonstatic_concrete_methods;
208   bool _declares_nonstatic_concrete_methods;
209   bool _has_localvariable_table;
210   bool _has_final_method;
211   bool _has_contended_fields;
212 
213   bool _has_inline_type_fields;
214   bool _is_naturally_atomic;
215   bool _must_be_atomic;
216   bool _is_implicitly_constructible;
217   bool _has_loosely_consistent_annotation;
218   bool _has_implicitly_constructible_annotation;
219 
220   // precomputed flags
221   bool _has_finalizer;
222   bool _has_empty_finalizer;
223   int _max_bootstrap_specifier_index;  // detects BSS values
224 
225   void parse_stream(const ClassFileStream* const stream, TRAPS);
226 
227   void mangle_hidden_class_name(InstanceKlass* const ik);
228 
229   void post_process_parsed_stream(const ClassFileStream* const stream,
230                                   ConstantPool* cp,
231                                   TRAPS);
232 
233   void fill_instance_klass(InstanceKlass* ik, bool cf_changed_in_CFLH,
234                            const ClassInstanceInfo& cl_inst_info, TRAPS);
235 
236   void set_klass(InstanceKlass* instance);
237 
238   void set_class_bad_constant_seen(short bad_constant);
239   short class_bad_constant_seen() { return  _bad_constant_seen; }

265                         bool* has_nonstatic_concrete_methods,
266                         TRAPS);
267 
268   const InstanceKlass* parse_super_class(ConstantPool* const cp,
269                                          const int super_class_index,
270                                          const bool need_verify,
271                                          TRAPS);
272 
273   // Field parsing
274   void parse_field_attributes(const ClassFileStream* const cfs,
275                               u2 attributes_count,
276                               bool is_static,
277                               u2 signature_index,
278                               u2* const constantvalue_index_addr,
279                               bool* const is_synthetic_addr,
280                               u2* const generic_signature_index_addr,
281                               FieldAnnotationCollector* parsed_annotations,
282                               TRAPS);
283 
284   void parse_fields(const ClassFileStream* const cfs,
285                     AccessFlags class_access_flags,
286                     ConstantPool* cp,
287                     const int cp_size,
288                     u2* const java_fields_count_ptr,
289                     TRAPS);
290 
291   // Method parsing
292   Method* parse_method(const ClassFileStream* const cfs,
293                        bool is_interface,
294                        bool is_value_class,
295                        bool is_abstract_class,
296                        const ConstantPool* cp,
297                        bool* const has_localvariable_table,
298                        TRAPS);
299 
300   void parse_methods(const ClassFileStream* const cfs,
301                      bool is_interface,
302                      bool is_value_class,
303                      bool is_abstract_class,
304                      bool* const has_localvariable_table,
305                      bool* const has_final_method,
306                      bool* const declares_nonstatic_concrete_methods,
307                      TRAPS);
308 
309   const unsafe_u2* parse_exception_table(const ClassFileStream* const stream,
310                                          u4 code_length,
311                                          u4 exception_table_length,
312                                          TRAPS);
313 
314   void parse_linenumber_table(u4 code_attribute_length,
315                               u4 code_length,
316                               CompressedLineNumberWriteStream**const write_stream,
317                               TRAPS);
318 
319   const unsafe_u2* parse_localvariable_table(const ClassFileStream* const cfs,
320                                              u4 code_length,
321                                              u2 max_locals,
322                                              u4 code_attribute_length,
323                                              u2* const localvariable_table_length,

338 
339   // Check for circularity in InnerClasses attribute.
340   bool check_inner_classes_circularity(const ConstantPool* cp, int length, TRAPS);
341 
342   u2   parse_classfile_inner_classes_attribute(const ClassFileStream* const cfs,
343                                                const ConstantPool* cp,
344                                                const u1* const inner_classes_attribute_start,
345                                                bool parsed_enclosingmethod_attribute,
346                                                u2 enclosing_method_class_index,
347                                                u2 enclosing_method_method_index,
348                                                TRAPS);
349 
350   u2 parse_classfile_nest_members_attribute(const ClassFileStream* const cfs,
351                                             const u1* const nest_members_attribute_start,
352                                             TRAPS);
353 
354   u2 parse_classfile_permitted_subclasses_attribute(const ClassFileStream* const cfs,
355                                                     const u1* const permitted_subclasses_attribute_start,
356                                                     TRAPS);
357 
358   u2 parse_classfile_loadable_descriptors_attribute(const ClassFileStream* const cfs,
359                                                     const u1* const loadable_descriptors_attribute_start,
360                                                     TRAPS);
361 
362   u4 parse_classfile_record_attribute(const ClassFileStream* const cfs,
363                                       const ConstantPool* cp,
364                                       const u1* const record_attribute_start,
365                                       TRAPS);
366 
367   void parse_classfile_attributes(const ClassFileStream* const cfs,
368                                   ConstantPool* cp,
369                                   ClassAnnotationCollector* parsed_annotations,
370                                   TRAPS);
371 
372   void parse_classfile_synthetic_attribute();
373   void parse_classfile_signature_attribute(const ClassFileStream* const cfs, TRAPS);
374   void parse_classfile_bootstrap_methods_attribute(const ClassFileStream* const cfs,
375                                                    ConstantPool* cp,
376                                                    u4 attribute_length,
377                                                    TRAPS);
378 
379   // Annotations handling
380   AnnotationArray* allocate_annotations(const u1* const anno,
381                                         int anno_length,

434                                  const char *name,
435                                  TRAPS) const {
436     if (!b) { classfile_parse_error(msg, index, name, THREAD); return; }
437   }
438 
439   void throwIllegalSignature(const char* type,
440                              const Symbol* name,
441                              const Symbol* sig,
442                              TRAPS) const;
443 
444   void verify_constantvalue(const ConstantPool* const cp,
445                             int constantvalue_index,
446                             int signature_index,
447                             TRAPS) const;
448 
449   void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) const;
450   void verify_legal_class_name(const Symbol* name, TRAPS) const;
451   void verify_legal_field_name(const Symbol* name, TRAPS) const;
452   void verify_legal_method_name(const Symbol* name, TRAPS) const;
453 
454   bool legal_field_signature(const Symbol* signature, TRAPS) const;
455 
456   void verify_legal_field_signature(const Symbol* fieldname,
457                                     const Symbol* signature,
458                                     TRAPS) const;
459   int  verify_legal_method_signature(const Symbol* methodname,
460                                      const Symbol* signature,
461                                      TRAPS) const;
462   void verify_legal_name_with_signature(const Symbol* name,
463                                         const Symbol* signature,
464                                         TRAPS) const;
465 
466   void verify_class_version(u2 major, u2 minor, Symbol* class_name, TRAPS);
467 
468   void verify_legal_class_modifiers(jint flags, const char* name, bool is_Object, TRAPS) const;
469   void verify_legal_field_modifiers(jint flags,
470                                     AccessFlags class_access_flags,
471                                     TRAPS) const;
472   void verify_legal_method_modifiers(jint flags,
473                                      AccessFlags class_access_flags,
474                                      const Symbol* name,
475                                      TRAPS) const;
476 
477   void check_super_class_access(const InstanceKlass* this_klass,
478                                 TRAPS);
479 
480   void check_super_interface_access(const InstanceKlass* this_klass,
481                                     TRAPS);
482 
483   const char* skip_over_field_signature(const char* signature,
484                                         bool void_ok,
485                                         unsigned int length,
486                                         TRAPS) const;
487 
488   // Wrapper for constantTag.is_klass_[or_]reference.
489   // In older versions of the VM, Klass*s cannot sneak into early phases of
490   // constant pool construction, but in later versions they can.
491   // %%% Let's phase out the old is_klass_reference.
492   bool valid_klass_reference_at(int index) const {
493     return _cp->is_within_bounds(index) &&

505                                 u2* const localvariable_table_length,
506                                 const unsafe_u2** const localvariable_table_start,
507                                 int lvtt_cnt,
508                                 u2* const localvariable_type_table_length,
509                                 const unsafe_u2** const localvariable_type_table_start,
510                                 TRAPS);
511 
512   void copy_method_annotations(ConstMethod* cm,
513                                const u1* runtime_visible_annotations,
514                                int runtime_visible_annotations_length,
515                                const u1* runtime_visible_parameter_annotations,
516                                int runtime_visible_parameter_annotations_length,
517                                const u1* runtime_visible_type_annotations,
518                                int runtime_visible_type_annotations_length,
519                                const u1* annotation_default,
520                                int annotation_default_length,
521                                TRAPS);
522 
523   void update_class_name(Symbol* new_name);
524 
525   // Check if the class file supports inline types
526   bool supports_inline_types() const;
527 
528  public:
529   ClassFileParser(ClassFileStream* stream,
530                   Symbol* name,
531                   ClassLoaderData* loader_data,
532                   const ClassLoadInfo* cl_info,
533                   Publicity pub_level,
534                   TRAPS);
535 
536   ~ClassFileParser();
537 
538   InstanceKlass* create_instance_klass(bool cf_changed_in_CFLH, const ClassInstanceInfo& cl_inst_info, TRAPS);
539 
540   const ClassFileStream* clone_stream() const;
541 
542   void set_klass_to_deallocate(InstanceKlass* klass);
543 
544   int static_field_size() const;
545   int total_oop_map_count() const;
546   jint layout_size() const;
547 
548   int vtable_size() const { return _vtable_size; }
549   int itable_size() const { return _itable_size; }
550 
551   u2 this_class_index() const { return _this_class_index; }
552 
553   bool is_hidden() const { return _is_hidden; }
554   bool is_interface() const { return _access_flags.is_interface(); }
555   // Being an inline type means being a concrete value class
556   bool is_inline_type() const { return !_access_flags.is_identity_class() && !_access_flags.is_interface() && !_access_flags.is_abstract(); }
557   bool is_abstract_class() const { return _access_flags.is_abstract(); }
558   bool is_identity_class() const { return _access_flags.is_identity_class(); }
559   bool has_inline_fields() const { return _has_inline_type_fields; }
560 
561   u2 java_fields_count() const { return _java_fields_count; }
562   bool is_abstract() const { return _access_flags.is_abstract(); }
563 
564   // Returns true if the Klass to be generated will need to be addressable
565   // with a narrow Klass ID.
566   bool klass_needs_narrow_id() const;
567 
568   ClassLoaderData* loader_data() const { return _loader_data; }
569   const Symbol* class_name() const { return _class_name; }
570   const InstanceKlass* super_klass() const { return _super_klass; }
571 
572   ReferenceType super_reference_type() const;
573   bool is_instance_ref_klass() const;
574   bool is_java_lang_ref_Reference_subclass() const;
575 
576   AccessFlags access_flags() const { return _access_flags; }
577 
578   bool is_internal() const { return INTERNAL == _pub_level; }
579 
580   bool is_class_in_loadable_descriptors_attribute(Symbol *klass);
581 
582   static bool verify_unqualified_name(const char* name, unsigned int length, int type);
583 
584 #ifdef ASSERT
585   static bool is_internal_format(Symbol* class_name);
586 #endif
587 
588 };
589 
590 #endif // SHARE_CLASSFILE_CLASSFILEPARSER_HPP
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