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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_AST_SCOPES_H_ | 5 #ifndef V8_AST_SCOPES_H_ |
6 #define V8_AST_SCOPES_H_ | 6 #define V8_AST_SCOPES_H_ |
7 | 7 |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/base/hashmap.h" | 9 #include "src/base/hashmap.h" |
10 #include "src/globals.h" | 10 #include "src/globals.h" |
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334 return static_cast<AstRawString*>(variables_.Start()->key); | 334 return static_cast<AstRawString*>(variables_.Start()->key); |
335 } | 335 } |
336 | 336 |
337 // --------------------------------------------------------------------------- | 337 // --------------------------------------------------------------------------- |
338 // Variable allocation. | 338 // Variable allocation. |
339 | 339 |
340 // Collect variables in this scope. Note that the function variable - if | 340 // Collect variables in this scope. Note that the function variable - if |
341 // present - is not collected and should be handled separately. | 341 // present - is not collected and should be handled separately. |
342 void CollectVariables(ZoneList<Variable*>* stack_locals, | 342 void CollectVariables(ZoneList<Variable*>* stack_locals, |
343 ZoneList<Variable*>* context_locals, | 343 ZoneList<Variable*>* context_locals, |
344 ZoneList<Variable*>* context_globals); | 344 ZoneList<Variable*>* context_globals, |
| 345 ZoneList<Variable*>* module_vars = nullptr); |
345 | 346 |
346 // Result of variable allocation. | 347 // Result of variable allocation. |
347 int num_stack_slots() const { return num_stack_slots_; } | 348 int num_stack_slots() const { return num_stack_slots_; } |
348 int num_heap_slots() const { return num_heap_slots_; } | 349 int num_heap_slots() const { return num_heap_slots_; } |
349 int num_global_slots() const { return num_global_slots_; } | 350 int num_global_slots() const { return num_global_slots_; } |
350 | 351 |
351 int StackLocalCount() const; | 352 int StackLocalCount() const; |
352 int ContextLocalCount() const; | 353 int ContextLocalCount() const; |
353 int ContextGlobalCount() const; | 354 int ContextGlobalCount() const; |
354 | 355 |
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831 // Convenience variable; function scopes only. | 832 // Convenience variable; function scopes only. |
832 Variable* arguments_; | 833 Variable* arguments_; |
833 // Convenience variable; Subclass constructor only | 834 // Convenience variable; Subclass constructor only |
834 Variable* this_function_; | 835 Variable* this_function_; |
835 }; | 836 }; |
836 | 837 |
837 class ModuleScope final : public DeclarationScope { | 838 class ModuleScope final : public DeclarationScope { |
838 public: | 839 public: |
839 ModuleScope(DeclarationScope* script_scope, | 840 ModuleScope(DeclarationScope* script_scope, |
840 AstValueFactory* ast_value_factory); | 841 AstValueFactory* ast_value_factory); |
| 842 ModuleScope(Isolate* isolate, Handle<ScopeInfo> scope_info, |
| 843 AstValueFactory* ast_value_factory); |
841 | 844 |
842 ModuleDescriptor* module() const { | 845 ModuleDescriptor* module() const { |
843 DCHECK_NOT_NULL(module_descriptor_); | 846 DCHECK_NOT_NULL(module_descriptor_); |
844 return module_descriptor_; | 847 return module_descriptor_; |
845 } | 848 } |
846 | 849 |
847 // Set MODULE as VariableLocation for all variables that will live in some | 850 // Set MODULE as VariableLocation for all variables that will live in some |
848 // module's export table. | 851 // module's export table. |
849 void AllocateModuleVariables(); | 852 void AllocateModuleVariables(); |
850 | 853 |
851 private: | 854 private: |
852 ModuleDescriptor* module_descriptor_; | 855 ModuleDescriptor* module_descriptor_; |
853 }; | 856 }; |
854 | 857 |
855 } // namespace internal | 858 } // namespace internal |
856 } // namespace v8 | 859 } // namespace v8 |
857 | 860 |
858 #endif // V8_AST_SCOPES_H_ | 861 #endif // V8_AST_SCOPES_H_ |
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