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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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280 KeyCollectionType type); | 280 KeyCollectionType type); |
281 Handle<JSArray> GetKeysFor(Handle<JSObject> object); | 281 Handle<JSArray> GetKeysFor(Handle<JSObject> object); |
282 Handle<FixedArray> GetEnumPropertyKeys(Handle<JSObject> object, | 282 Handle<FixedArray> GetEnumPropertyKeys(Handle<JSObject> object, |
283 bool cache_result); | 283 bool cache_result); |
284 | 284 |
285 // Computes the union of keys and return the result. | 285 // Computes the union of keys and return the result. |
286 // Used for implementing "for (n in object) { }" | 286 // Used for implementing "for (n in object) { }" |
287 Handle<FixedArray> UnionOfKeys(Handle<FixedArray> first, | 287 Handle<FixedArray> UnionOfKeys(Handle<FixedArray> first, |
288 Handle<FixedArray> second); | 288 Handle<FixedArray> second); |
289 | 289 |
290 Handle<String> SubString(Handle<String> str, int start, int end); | 290 Handle<String> SubString(Handle<String> str, |
| 291 int start, |
| 292 int end, |
| 293 PretenureFlag pretenure = NOT_TENURED); |
291 | 294 |
292 | 295 |
293 // Sets the expected number of properties for the function's instances. | 296 // Sets the expected number of properties for the function's instances. |
294 void SetExpectedNofProperties(Handle<JSFunction> func, int nof); | 297 void SetExpectedNofProperties(Handle<JSFunction> func, int nof); |
295 | 298 |
296 // Sets the prototype property for a function instance. | 299 // Sets the prototype property for a function instance. |
297 void SetPrototypeProperty(Handle<JSFunction> func, Handle<JSObject> value); | 300 void SetPrototypeProperty(Handle<JSFunction> func, Handle<JSObject> value); |
298 | 301 |
299 // Sets the expected number of properties based on estimate from compiler. | 302 // Sets the expected number of properties based on estimate from compiler. |
300 void SetExpectedNofPropertiesFromEstimate(Handle<SharedFunctionInfo> shared, | 303 void SetExpectedNofPropertiesFromEstimate(Handle<SharedFunctionInfo> shared, |
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367 private: | 370 private: |
368 bool has_been_transformed_; // Tells whether the object has been transformed. | 371 bool has_been_transformed_; // Tells whether the object has been transformed. |
369 int unused_property_fields_; // Captures the unused number of field. | 372 int unused_property_fields_; // Captures the unused number of field. |
370 Handle<JSObject> object_; // The object being optimized. | 373 Handle<JSObject> object_; // The object being optimized. |
371 }; | 374 }; |
372 | 375 |
373 | 376 |
374 } } // namespace v8::internal | 377 } } // namespace v8::internal |
375 | 378 |
376 #endif // V8_HANDLES_H_ | 379 #endif // V8_HANDLES_H_ |
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