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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_OBJECTS_SCOPE_INFO_H_ | 5 #ifndef V8_OBJECTS_SCOPE_INFO_H_ |
| 6 #define V8_OBJECTS_SCOPE_INFO_H_ | 6 #define V8_OBJECTS_SCOPE_INFO_H_ |
| 7 | 7 |
| 8 #include "src/globals.h" | 8 #include "src/globals.h" |
| 9 #include "src/objects.h" | 9 #include "src/objects.h" |
| 10 #include "src/utils.h" | 10 #include "src/utils.h" |
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| 25 | 25 |
| 26 // ScopeInfo represents information about different scopes of a source | 26 // ScopeInfo represents information about different scopes of a source |
| 27 // program and the allocation of the scope's variables. Scope information | 27 // program and the allocation of the scope's variables. Scope information |
| 28 // is stored in a compressed form in ScopeInfo objects and is used | 28 // is stored in a compressed form in ScopeInfo objects and is used |
| 29 // at runtime (stack dumps, deoptimization, etc.). | 29 // at runtime (stack dumps, deoptimization, etc.). |
| 30 | 30 |
| 31 // This object provides quick access to scope info details for runtime | 31 // This object provides quick access to scope info details for runtime |
| 32 // routines. | 32 // routines. |
| 33 class ScopeInfo : public FixedArray { | 33 class ScopeInfo : public FixedArray { |
| 34 public: | 34 public: |
| 35 DECLARE_CAST(ScopeInfo) | 35 DECL_CAST(ScopeInfo) |
| 36 | 36 |
| 37 // Return the type of this scope. | 37 // Return the type of this scope. |
| 38 ScopeType scope_type(); | 38 ScopeType scope_type(); |
| 39 | 39 |
| 40 // Does this scope call eval? | 40 // Does this scope call eval? |
| 41 bool CallsEval(); | 41 bool CallsEval(); |
| 42 | 42 |
| 43 // Return the language mode of this scope. | 43 // Return the language mode of this scope. |
| 44 LanguageMode language_mode(); | 44 LanguageMode language_mode(); |
| 45 | 45 |
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| 333 | 333 |
| 334 friend class ScopeIterator; | 334 friend class ScopeIterator; |
| 335 }; | 335 }; |
| 336 | 336 |
| 337 } // namespace internal | 337 } // namespace internal |
| 338 } // namespace v8 | 338 } // namespace v8 |
| 339 | 339 |
| 340 #include "src/objects/object-macros-undef.h" | 340 #include "src/objects/object-macros-undef.h" |
| 341 | 341 |
| 342 #endif // V8_OBJECTS_SCOPE_INFO_H_ | 342 #endif // V8_OBJECTS_SCOPE_INFO_H_ |
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