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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 // 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_SCOPES_H_ | 5 #ifndef V8_SCOPES_H_ |
6 #define V8_SCOPES_H_ | 6 #define V8_SCOPES_H_ |
7 | 7 |
8 #include "src/ast.h" | 8 #include "src/ast.h" |
9 #include "src/pending-compilation-error-handler.h" | 9 #include "src/pending-compilation-error-handler.h" |
10 #include "src/zone.h" | 10 #include "src/zone.h" |
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274 bool is_eval_scope() const { return scope_type_ == EVAL_SCOPE; } | 274 bool is_eval_scope() const { return scope_type_ == EVAL_SCOPE; } |
275 bool is_function_scope() const { | 275 bool is_function_scope() const { |
276 return scope_type_ == FUNCTION_SCOPE || scope_type_ == ARROW_SCOPE; | 276 return scope_type_ == FUNCTION_SCOPE || scope_type_ == ARROW_SCOPE; |
277 } | 277 } |
278 bool is_module_scope() const { return scope_type_ == MODULE_SCOPE; } | 278 bool is_module_scope() const { return scope_type_ == MODULE_SCOPE; } |
279 bool is_script_scope() const { return scope_type_ == SCRIPT_SCOPE; } | 279 bool is_script_scope() const { return scope_type_ == SCRIPT_SCOPE; } |
280 bool is_catch_scope() const { return scope_type_ == CATCH_SCOPE; } | 280 bool is_catch_scope() const { return scope_type_ == CATCH_SCOPE; } |
281 bool is_block_scope() const { return scope_type_ == BLOCK_SCOPE; } | 281 bool is_block_scope() const { return scope_type_ == BLOCK_SCOPE; } |
282 bool is_with_scope() const { return scope_type_ == WITH_SCOPE; } | 282 bool is_with_scope() const { return scope_type_ == WITH_SCOPE; } |
283 bool is_arrow_scope() const { return scope_type_ == ARROW_SCOPE; } | 283 bool is_arrow_scope() const { return scope_type_ == ARROW_SCOPE; } |
| 284 bool is_class_scope() const { return scope_type_ == CLASS_SCOPE; } |
284 bool is_declaration_scope() const { | 285 bool is_declaration_scope() const { |
285 return is_eval_scope() || is_function_scope() || | 286 return is_eval_scope() || is_function_scope() || |
286 is_module_scope() || is_script_scope(); | 287 is_module_scope() || is_script_scope(); |
287 } | 288 } |
288 bool is_strict_eval_scope() const { | 289 bool is_strict_eval_scope() const { |
289 return is_eval_scope() && is_strict(language_mode_); | 290 return is_eval_scope() && is_strict(language_mode_); |
290 } | 291 } |
291 | 292 |
292 // Information about which scopes calls eval. | 293 // Information about which scopes calls eval. |
293 bool calls_eval() const { return scope_calls_eval_; } | 294 bool calls_eval() const { return scope_calls_eval_; } |
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651 // parameter should be set to the calling context of 'eval'. | 652 // parameter should be set to the calling context of 'eval'. |
652 Variable* LookupRecursive(VariableProxy* proxy, BindingKind* binding_kind, | 653 Variable* LookupRecursive(VariableProxy* proxy, BindingKind* binding_kind, |
653 AstNodeFactory* factory); | 654 AstNodeFactory* factory); |
654 MUST_USE_RESULT | 655 MUST_USE_RESULT |
655 bool ResolveVariable(CompilationInfo* info, VariableProxy* proxy, | 656 bool ResolveVariable(CompilationInfo* info, VariableProxy* proxy, |
656 AstNodeFactory* factory); | 657 AstNodeFactory* factory); |
657 MUST_USE_RESULT | 658 MUST_USE_RESULT |
658 bool ResolveVariablesRecursively(CompilationInfo* info, | 659 bool ResolveVariablesRecursively(CompilationInfo* info, |
659 AstNodeFactory* factory); | 660 AstNodeFactory* factory); |
660 | 661 |
| 662 bool CheckStrongModeDeclaration(VariableProxy* proxy, Variable* var); |
| 663 |
661 // Scope analysis. | 664 // Scope analysis. |
662 void PropagateScopeInfo(bool outer_scope_calls_sloppy_eval); | 665 void PropagateScopeInfo(bool outer_scope_calls_sloppy_eval); |
663 bool HasTrivialContext() const; | 666 bool HasTrivialContext() const; |
664 | 667 |
665 // Predicates. | 668 // Predicates. |
666 bool MustAllocate(Variable* var); | 669 bool MustAllocate(Variable* var); |
667 bool MustAllocateInContext(Variable* var); | 670 bool MustAllocateInContext(Variable* var); |
668 bool HasArgumentsParameter(Isolate* isolate); | 671 bool HasArgumentsParameter(Isolate* isolate); |
669 | 672 |
670 // Variable allocation. | 673 // Variable allocation. |
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709 | 712 |
710 AstValueFactory* ast_value_factory_; | 713 AstValueFactory* ast_value_factory_; |
711 Zone* zone_; | 714 Zone* zone_; |
712 | 715 |
713 PendingCompilationErrorHandler pending_error_handler_; | 716 PendingCompilationErrorHandler pending_error_handler_; |
714 }; | 717 }; |
715 | 718 |
716 } } // namespace v8::internal | 719 } } // namespace v8::internal |
717 | 720 |
718 #endif // V8_SCOPES_H_ | 721 #endif // V8_SCOPES_H_ |
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