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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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6372 | 6372 |
6373 // The ExternalAsciiString class is an external string backed by an | 6373 // The ExternalAsciiString class is an external string backed by an |
6374 // ASCII string. | 6374 // ASCII string. |
6375 class ExternalAsciiString: public ExternalString { | 6375 class ExternalAsciiString: public ExternalString { |
6376 public: | 6376 public: |
6377 static const bool kHasAsciiEncoding = true; | 6377 static const bool kHasAsciiEncoding = true; |
6378 | 6378 |
6379 typedef v8::String::ExternalAsciiStringResource Resource; | 6379 typedef v8::String::ExternalAsciiStringResource Resource; |
6380 | 6380 |
6381 // The underlying resource. | 6381 // The underlying resource. |
6382 inline Resource* resource(); | 6382 inline const Resource* resource(); |
6383 inline void set_resource(Resource* buffer); | 6383 inline void set_resource(const Resource* buffer); |
6384 | 6384 |
6385 // Dispatched behavior. | 6385 // Dispatched behavior. |
6386 uint16_t ExternalAsciiStringGet(int index); | 6386 uint16_t ExternalAsciiStringGet(int index); |
6387 | 6387 |
6388 // Casting. | 6388 // Casting. |
6389 static inline ExternalAsciiString* cast(Object* obj); | 6389 static inline ExternalAsciiString* cast(Object* obj); |
6390 | 6390 |
6391 // Garbage collection support. | 6391 // Garbage collection support. |
6392 inline void ExternalAsciiStringIterateBody(ObjectVisitor* v); | 6392 inline void ExternalAsciiStringIterateBody(ObjectVisitor* v); |
6393 | 6393 |
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6409 | 6409 |
6410 // The ExternalTwoByteString class is an external string backed by a UTF-16 | 6410 // The ExternalTwoByteString class is an external string backed by a UTF-16 |
6411 // encoded string. | 6411 // encoded string. |
6412 class ExternalTwoByteString: public ExternalString { | 6412 class ExternalTwoByteString: public ExternalString { |
6413 public: | 6413 public: |
6414 static const bool kHasAsciiEncoding = false; | 6414 static const bool kHasAsciiEncoding = false; |
6415 | 6415 |
6416 typedef v8::String::ExternalStringResource Resource; | 6416 typedef v8::String::ExternalStringResource Resource; |
6417 | 6417 |
6418 // The underlying string resource. | 6418 // The underlying string resource. |
6419 inline Resource* resource(); | 6419 inline const Resource* resource(); |
6420 inline void set_resource(Resource* buffer); | 6420 inline void set_resource(const Resource* buffer); |
6421 | 6421 |
6422 // Dispatched behavior. | 6422 // Dispatched behavior. |
6423 uint16_t ExternalTwoByteStringGet(int index); | 6423 uint16_t ExternalTwoByteStringGet(int index); |
6424 | 6424 |
6425 // For regexp code. | 6425 // For regexp code. |
6426 const uint16_t* ExternalTwoByteStringGetData(unsigned start); | 6426 const uint16_t* ExternalTwoByteStringGetData(unsigned start); |
6427 | 6427 |
6428 // Casting. | 6428 // Casting. |
6429 static inline ExternalTwoByteString* cast(Object* obj); | 6429 static inline ExternalTwoByteString* cast(Object* obj); |
6430 | 6430 |
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7391 } else { | 7391 } else { |
7392 value &= ~(1 << bit_position); | 7392 value &= ~(1 << bit_position); |
7393 } | 7393 } |
7394 return value; | 7394 return value; |
7395 } | 7395 } |
7396 }; | 7396 }; |
7397 | 7397 |
7398 } } // namespace v8::internal | 7398 } } // namespace v8::internal |
7399 | 7399 |
7400 #endif // V8_OBJECTS_H_ | 7400 #endif // V8_OBJECTS_H_ |
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