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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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229 class Property; | 229 class Property; |
230 class SmallMapList; | 230 class SmallMapList; |
231 class UnaryOperation; | 231 class UnaryOperation; |
232 class ForInStatement; | 232 class ForInStatement; |
233 | 233 |
234 | 234 |
235 class TypeFeedbackOracle BASE_EMBEDDED { | 235 class TypeFeedbackOracle BASE_EMBEDDED { |
236 public: | 236 public: |
237 TypeFeedbackOracle(Handle<Code> code, | 237 TypeFeedbackOracle(Handle<Code> code, |
238 Handle<Context> global_context, | 238 Handle<Context> global_context, |
239 Isolate* isolate); | 239 Isolate* isolate, |
| 240 Zone* zone); |
240 | 241 |
241 bool LoadIsMonomorphicNormal(Property* expr); | 242 bool LoadIsMonomorphicNormal(Property* expr); |
242 bool LoadIsUninitialized(Property* expr); | 243 bool LoadIsUninitialized(Property* expr); |
243 bool LoadIsMegamorphicWithTypeInfo(Property* expr); | 244 bool LoadIsMegamorphicWithTypeInfo(Property* expr); |
244 bool StoreIsMonomorphicNormal(Expression* expr); | 245 bool StoreIsMonomorphicNormal(Expression* expr); |
245 bool StoreIsMegamorphicWithTypeInfo(Expression* expr); | 246 bool StoreIsMegamorphicWithTypeInfo(Expression* expr); |
246 bool CallIsMonomorphic(Call* expr); | 247 bool CallIsMonomorphic(Call* expr); |
247 bool CallNewIsMonomorphic(CallNew* expr); | 248 bool CallNewIsMonomorphic(CallNew* expr); |
248 bool ObjectLiteralStoreIsMonomorphic(ObjectLiteral::Property* prop); | 249 bool ObjectLiteralStoreIsMonomorphic(ObjectLiteral::Property* prop); |
249 | 250 |
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286 | 287 |
287 // Get type information for arithmetic operations and compares. | 288 // Get type information for arithmetic operations and compares. |
288 TypeInfo UnaryType(UnaryOperation* expr); | 289 TypeInfo UnaryType(UnaryOperation* expr); |
289 TypeInfo BinaryType(BinaryOperation* expr); | 290 TypeInfo BinaryType(BinaryOperation* expr); |
290 TypeInfo CompareType(CompareOperation* expr); | 291 TypeInfo CompareType(CompareOperation* expr); |
291 bool IsSymbolCompare(CompareOperation* expr); | 292 bool IsSymbolCompare(CompareOperation* expr); |
292 Handle<Map> GetCompareMap(CompareOperation* expr); | 293 Handle<Map> GetCompareMap(CompareOperation* expr); |
293 TypeInfo SwitchType(CaseClause* clause); | 294 TypeInfo SwitchType(CaseClause* clause); |
294 TypeInfo IncrementType(CountOperation* expr); | 295 TypeInfo IncrementType(CountOperation* expr); |
295 | 296 |
| 297 Zone* zone() const { return zone_; } |
| 298 |
296 private: | 299 private: |
297 void CollectReceiverTypes(unsigned ast_id, | 300 void CollectReceiverTypes(unsigned ast_id, |
298 Handle<String> name, | 301 Handle<String> name, |
299 Code::Flags flags, | 302 Code::Flags flags, |
300 SmallMapList* types); | 303 SmallMapList* types); |
301 | 304 |
302 void SetInfo(unsigned ast_id, Object* target); | 305 void SetInfo(unsigned ast_id, Object* target); |
303 | 306 |
304 void BuildDictionary(Handle<Code> code); | 307 void BuildDictionary(Handle<Code> code); |
305 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); | 308 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); |
306 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); | 309 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); |
307 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, | 310 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, |
308 byte* old_start, | 311 byte* old_start, |
309 byte* new_start); | 312 byte* new_start); |
310 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); | 313 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); |
311 void ProcessTypeFeedbackCells(Handle<Code> code); | 314 void ProcessTypeFeedbackCells(Handle<Code> code); |
312 | 315 |
313 // Returns an element from the backing store. Returns undefined if | 316 // Returns an element from the backing store. Returns undefined if |
314 // there is no information. | 317 // there is no information. |
315 Handle<Object> GetInfo(unsigned ast_id); | 318 Handle<Object> GetInfo(unsigned ast_id); |
316 | 319 |
317 Handle<Context> global_context_; | 320 Handle<Context> global_context_; |
318 Isolate* isolate_; | 321 Isolate* isolate_; |
319 Handle<UnseededNumberDictionary> dictionary_; | 322 Handle<UnseededNumberDictionary> dictionary_; |
| 323 Zone* zone_; |
320 | 324 |
321 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); | 325 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); |
322 }; | 326 }; |
323 | 327 |
324 } } // namespace v8::internal | 328 } } // namespace v8::internal |
325 | 329 |
326 #endif // V8_TYPE_INFO_H_ | 330 #endif // V8_TYPE_INFO_H_ |
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