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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/base/hashmap.h" | 8 #include "src/base/hashmap.h" |
| 9 #include "src/globals.h" | 9 #include "src/globals.h" |
| 10 #include "src/objects.h" | 10 #include "src/objects.h" |
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| 94 Scope* outer_scope_; | 94 Scope* outer_scope_; |
| 95 Scope* top_inner_scope_; | 95 Scope* top_inner_scope_; |
| 96 VariableProxy* top_unresolved_; | 96 VariableProxy* top_unresolved_; |
| 97 int top_local_; | 97 int top_local_; |
| 98 int top_decl_; | 98 int top_decl_; |
| 99 }; | 99 }; |
| 100 | 100 |
| 101 enum class DeserializationMode { kIncludingVariables, kScopesOnly }; | 101 enum class DeserializationMode { kIncludingVariables, kScopesOnly }; |
| 102 | 102 |
| 103 static Scope* DeserializeScopeChain(Isolate* isolate, Zone* zone, | 103 static Scope* DeserializeScopeChain(Isolate* isolate, Zone* zone, |
| 104 Context* context, | 104 ScopeInfo* scope_info, |
| 105 DeclarationScope* script_scope, | 105 DeclarationScope* script_scope, |
| 106 AstValueFactory* ast_value_factory, | 106 AstValueFactory* ast_value_factory, |
| 107 DeserializationMode deserialization_mode); | 107 DeserializationMode deserialization_mode); |
| 108 | 108 |
| 109 // Checks if the block scope is redundant, i.e. it does not contain any | 109 // Checks if the block scope is redundant, i.e. it does not contain any |
| 110 // block scoped declarations. In that case it is removed from the scope | 110 // block scoped declarations. In that case it is removed from the scope |
| 111 // tree and its children are reparented. | 111 // tree and its children are reparented. |
| 112 Scope* FinalizeBlockScope(); | 112 Scope* FinalizeBlockScope(); |
| 113 | 113 |
| 114 // Inserts outer_scope into this scope's scope chain (and removes this | 114 // Inserts outer_scope into this scope's scope chain (and removes this |
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| 856 void AllocateModuleVariables(); | 856 void AllocateModuleVariables(); |
| 857 | 857 |
| 858 private: | 858 private: |
| 859 ModuleDescriptor* module_descriptor_; | 859 ModuleDescriptor* module_descriptor_; |
| 860 }; | 860 }; |
| 861 | 861 |
| 862 } // namespace internal | 862 } // namespace internal |
| 863 } // namespace v8 | 863 } // namespace v8 |
| 864 | 864 |
| 865 #endif // V8_AST_SCOPES_H_ | 865 #endif // V8_AST_SCOPES_H_ |
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