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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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371 | 371 |
372 // Make sure this scope and all outer scopes are eagerly compiled. | 372 // Make sure this scope and all outer scopes are eagerly compiled. |
373 void ForceEagerCompilation() { force_eager_compilation_ = true; } | 373 void ForceEagerCompilation() { force_eager_compilation_ = true; } |
374 | 374 |
375 // Determine if we can use lazy compilation for this scope. | 375 // Determine if we can use lazy compilation for this scope. |
376 bool AllowsLazyCompilation() const; | 376 bool AllowsLazyCompilation() const; |
377 | 377 |
378 // Determine if we can use lazy compilation for this scope without a context. | 378 // Determine if we can use lazy compilation for this scope without a context. |
379 bool AllowsLazyCompilationWithoutContext() const; | 379 bool AllowsLazyCompilationWithoutContext() const; |
380 | 380 |
381 // True if the outer context of this scope is always the global context. | 381 // True if the outer context of this scope is always the native context. |
382 bool HasTrivialOuterContext() const; | 382 bool HasTrivialOuterContext() const; |
383 | 383 |
384 // True if the outer context allows lazy compilation of this scope. | 384 // True if the outer context allows lazy compilation of this scope. |
385 bool HasLazyCompilableOuterContext() const; | 385 bool HasLazyCompilableOuterContext() const; |
386 | 386 |
387 // The number of contexts between this and scope; zero if this == scope. | 387 // The number of contexts between this and scope; zero if this == scope. |
388 int ContextChainLength(Scope* scope); | 388 int ContextChainLength(Scope* scope); |
389 | 389 |
390 // Find the first function, global, or eval scope. This is the scope | 390 // Find the first function, global, or eval scope. This is the scope |
391 // where var declarations will be hoisted to in the implementation. | 391 // where var declarations will be hoisted to in the implementation. |
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616 void SetDefaults(ScopeType type, | 616 void SetDefaults(ScopeType type, |
617 Scope* outer_scope, | 617 Scope* outer_scope, |
618 Handle<ScopeInfo> scope_info); | 618 Handle<ScopeInfo> scope_info); |
619 | 619 |
620 Zone* zone_; | 620 Zone* zone_; |
621 }; | 621 }; |
622 | 622 |
623 } } // namespace v8::internal | 623 } } // namespace v8::internal |
624 | 624 |
625 #endif // V8_SCOPES_H_ | 625 #endif // V8_SCOPES_H_ |
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