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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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| 99 | 99 |
| 100 static Scope* DeserializeScopeChain(Isolate* isolate, Zone* zone, | 100 static Scope* DeserializeScopeChain(Isolate* isolate, Zone* zone, |
| 101 Context* context, Scope* script_scope, | 101 Context* context, Scope* script_scope, |
| 102 AstValueFactory* ast_value_factory); | 102 AstValueFactory* ast_value_factory); |
| 103 | 103 |
| 104 // The scope name is only used for printing/debugging. | 104 // The scope name is only used for printing/debugging. |
| 105 void SetScopeName(const AstRawString* scope_name) { | 105 void SetScopeName(const AstRawString* scope_name) { |
| 106 scope_name_ = scope_name; | 106 scope_name_ = scope_name; |
| 107 } | 107 } |
| 108 | 108 |
| 109 void Initialize(); | |
| 110 void DeclareThis(AstValueFactory* ast_value_factory); | 109 void DeclareThis(AstValueFactory* ast_value_factory); |
| 111 void DeclareDefaultFunctionVariables(AstValueFactory* ast_value_factory); | 110 void DeclareDefaultFunctionVariables(AstValueFactory* ast_value_factory); |
| 112 | 111 |
| 113 // Checks if the block scope is redundant, i.e. it does not contain any | 112 // Checks if the block scope is redundant, i.e. it does not contain any |
| 114 // block scoped declarations. In that case it is removed from the scope | 113 // block scoped declarations. In that case it is removed from the scope |
| 115 // tree and its children are reparented. | 114 // tree and its children are reparented. |
| 116 Scope* FinalizeBlockScope(); | 115 Scope* FinalizeBlockScope(); |
| 117 | 116 |
| 118 // Inserts outer_scope into this scope's scope chain (and removes this | 117 // Inserts outer_scope into this scope's scope chain (and removes this |
| 119 // from the current outer_scope_'s inner_scopes_). | 118 // from the current outer_scope_'s inner_scopes_). |
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| 828 | 827 |
| 829 void SetDefaults(); | 828 void SetDefaults(); |
| 830 | 829 |
| 831 PendingCompilationErrorHandler pending_error_handler_; | 830 PendingCompilationErrorHandler pending_error_handler_; |
| 832 }; | 831 }; |
| 833 | 832 |
| 834 } // namespace internal | 833 } // namespace internal |
| 835 } // namespace v8 | 834 } // namespace v8 |
| 836 | 835 |
| 837 #endif // V8_AST_SCOPES_H_ | 836 #endif // V8_AST_SCOPES_H_ |
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