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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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| 390 ASSERT(IsGlobalContext()); \ | 390 ASSERT(IsGlobalContext()); \ |
| 391 set(index, value); \ | 391 set(index, value); \ |
| 392 } \ | 392 } \ |
| 393 type* name() { \ | 393 type* name() { \ |
| 394 ASSERT(IsGlobalContext()); \ | 394 ASSERT(IsGlobalContext()); \ |
| 395 return type::cast(get(index)); \ | 395 return type::cast(get(index)); \ |
| 396 } | 396 } |
| 397 GLOBAL_CONTEXT_FIELDS(GLOBAL_CONTEXT_FIELD_ACCESSORS) | 397 GLOBAL_CONTEXT_FIELDS(GLOBAL_CONTEXT_FIELD_ACCESSORS) |
| 398 #undef GLOBAL_CONTEXT_FIELD_ACCESSORS | 398 #undef GLOBAL_CONTEXT_FIELD_ACCESSORS |
| 399 | 399 |
| 400 // Lookup the the slot called name, starting with the current context. | 400 // Lookup the slot called name, starting with the current context. |
| 401 // There are three possibilities: | 401 // There are three possibilities: |
| 402 // | 402 // |
| 403 // 1) result->IsContext(): | 403 // 1) result->IsContext(): |
| 404 // The binding was found in a context. *index is always the | 404 // The binding was found in a context. *index is always the |
| 405 // non-negative slot index. *attributes is NONE for var and let | 405 // non-negative slot index. *attributes is NONE for var and let |
| 406 // declarations, READ_ONLY for const declarations (never ABSENT). | 406 // declarations, READ_ONLY for const declarations (never ABSENT). |
| 407 // | 407 // |
| 408 // 2) result->IsJSObject(): | 408 // 2) result->IsJSObject(): |
| 409 // The binding was found as a named property in a context extension | 409 // The binding was found as a named property in a context extension |
| 410 // object (i.e., was introduced via eval), as a property on the subject | 410 // object (i.e., was introduced via eval), as a property on the subject |
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| 443 #ifdef DEBUG | 443 #ifdef DEBUG |
| 444 // Bootstrapping-aware type checks. | 444 // Bootstrapping-aware type checks. |
| 445 static bool IsBootstrappingOrContext(Object* object); | 445 static bool IsBootstrappingOrContext(Object* object); |
| 446 static bool IsBootstrappingOrGlobalObject(Object* object); | 446 static bool IsBootstrappingOrGlobalObject(Object* object); |
| 447 #endif | 447 #endif |
| 448 }; | 448 }; |
| 449 | 449 |
| 450 } } // namespace v8::internal | 450 } } // namespace v8::internal |
| 451 | 451 |
| 452 #endif // V8_CONTEXTS_H_ | 452 #endif // V8_CONTEXTS_H_ |
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