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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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| 623 if (!ResolveVariablesRecursively(info, factory)) return false; | 623 if (!ResolveVariablesRecursively(info, factory)) return false; |
| 624 | 624 |
| 625 // 3) Allocate variables. | 625 // 3) Allocate variables. |
| 626 AllocateVariablesRecursively(); | 626 AllocateVariablesRecursively(); |
| 627 | 627 |
| 628 return true; | 628 return true; |
| 629 } | 629 } |
| 630 | 630 |
| 631 | 631 |
| 632 bool Scope::AllowsLazyCompilation() const { | 632 bool Scope::AllowsLazyCompilation() const { |
| 633 return !force_eager_compilation_; |
| 634 } |
| 635 |
| 636 |
| 637 bool Scope::AllowsLazyCompilationForNative() const { |
| 633 return !force_eager_compilation_ && HasTrivialOuterContext(); | 638 return !force_eager_compilation_ && HasTrivialOuterContext(); |
| 634 } | 639 } |
| 635 | 640 |
| 636 | 641 |
| 637 bool Scope::HasTrivialContext() const { | 642 bool Scope::HasTrivialContext() const { |
| 638 // A function scope has a trivial context if it always is the global | 643 // A function scope has a trivial context if it always is the global |
| 639 // context. We iteratively scan out the context chain to see if | 644 // context. We iteratively scan out the context chain to see if |
| 640 // there is anything that makes this scope non-trivial; otherwise we | 645 // there is anything that makes this scope non-trivial; otherwise we |
| 641 // return true. | 646 // return true. |
| 642 for (const Scope* scope = this; scope != NULL; scope = scope->outer_scope_) { | 647 for (const Scope* scope = this; scope != NULL; scope = scope->outer_scope_) { |
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| 1264 } | 1269 } |
| 1265 | 1270 |
| 1266 | 1271 |
| 1267 int Scope::ContextLocalCount() const { | 1272 int Scope::ContextLocalCount() const { |
| 1268 if (num_heap_slots() == 0) return 0; | 1273 if (num_heap_slots() == 0) return 0; |
| 1269 return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - | 1274 return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - |
| 1270 (function_ != NULL && function_->proxy()->var()->IsContextSlot() ? 1 : 0); | 1275 (function_ != NULL && function_->proxy()->var()->IsContextSlot() ? 1 : 0); |
| 1271 } | 1276 } |
| 1272 | 1277 |
| 1273 } } // namespace v8::internal | 1278 } } // namespace v8::internal |
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