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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_MODULES_H_ | 5 #ifndef V8_AST_MODULES_H_ |
6 #define V8_AST_MODULES_H_ | 6 #define V8_AST_MODULES_H_ |
7 | 7 |
8 #include "src/parsing/scanner.h" // Only for Scanner::Location. | 8 #include "src/parsing/scanner.h" // Only for Scanner::Location. |
9 #include "src/pending-compilation-error-handler.h" | 9 #include "src/pending-compilation-error-handler.h" |
10 #include "src/zone-containers.h" | 10 #include "src/zone-containers.h" |
11 | 11 |
12 namespace v8 { | 12 namespace v8 { |
13 namespace internal { | 13 namespace internal { |
14 | 14 |
15 | 15 |
16 class AstRawString; | 16 class AstRawString; |
17 | 17 class ModuleInfoEntry; |
18 | 18 |
19 class ModuleDescriptor : public ZoneObject { | 19 class ModuleDescriptor : public ZoneObject { |
20 public: | 20 public: |
21 explicit ModuleDescriptor(Zone* zone) | 21 explicit ModuleDescriptor(Zone* zone) |
22 : special_exports_(1, zone), | 22 : special_exports_(1, zone), |
23 special_imports_(1, zone), | 23 special_imports_(1, zone), |
24 regular_exports_(zone), | 24 regular_exports_(zone), |
25 regular_imports_(zone) {} | 25 regular_imports_(zone) {} |
26 | 26 |
27 // The following Add* methods are high-level convenience functions for use by | 27 // The following Add* methods are high-level convenience functions for use by |
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73 bool Validate(ModuleScope* module_scope, | 73 bool Validate(ModuleScope* module_scope, |
74 PendingCompilationErrorHandler* error_handler, Zone* zone); | 74 PendingCompilationErrorHandler* error_handler, Zone* zone); |
75 | 75 |
76 struct Entry : public ZoneObject { | 76 struct Entry : public ZoneObject { |
77 const Scanner::Location location; | 77 const Scanner::Location location; |
78 const AstRawString* export_name; | 78 const AstRawString* export_name; |
79 const AstRawString* local_name; | 79 const AstRawString* local_name; |
80 const AstRawString* import_name; | 80 const AstRawString* import_name; |
81 const AstRawString* module_request; | 81 const AstRawString* module_request; |
82 | 82 |
| 83 // TODO(neis): Remove local_name component? |
83 explicit Entry(Scanner::Location loc) | 84 explicit Entry(Scanner::Location loc) |
84 : location(loc), | 85 : location(loc), |
85 export_name(nullptr), | 86 export_name(nullptr), |
86 local_name(nullptr), | 87 local_name(nullptr), |
87 import_name(nullptr), | 88 import_name(nullptr), |
88 module_request(nullptr) {} | 89 module_request(nullptr) {} |
89 | 90 |
90 Handle<FixedArray> Serialize(Isolate* isolate) const; | 91 // (De-)serialization support. |
| 92 // Note that the location value is not preserved as it's only needed by the |
| 93 // parser. (A Deserialize'd entry has an invalid location.) |
| 94 Handle<ModuleInfoEntry> Serialize(Isolate* isolate) const; |
91 static Entry* Deserialize(Isolate* isolate, AstValueFactory* avfactory, | 95 static Entry* Deserialize(Isolate* isolate, AstValueFactory* avfactory, |
92 Handle<FixedArray> data); | 96 Handle<ModuleInfoEntry> entry); |
93 }; | 97 }; |
94 | 98 |
95 // Empty imports and namespace imports. | 99 // Empty imports and namespace imports. |
96 const ZoneList<const Entry*>& special_imports() const { | 100 const ZoneList<const Entry*>& special_imports() const { |
97 return special_imports_; | 101 return special_imports_; |
98 } | 102 } |
99 | 103 |
100 // All the remaining imports, indexed by local name. | 104 // All the remaining imports, indexed by local name. |
101 const ZoneMap<const AstRawString*, const Entry*>& regular_imports() const { | 105 const ZoneMap<const AstRawString*, const Entry*>& regular_imports() const { |
102 return regular_imports_; | 106 return regular_imports_; |
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167 // into: | 171 // into: |
168 // import {a as b} from "X"; export {a as c} from "X"; | 172 // import {a as b} from "X"; export {a as c} from "X"; |
169 // (The import entry is never deleted.) | 173 // (The import entry is never deleted.) |
170 void MakeIndirectExportsExplicit(Zone* zone); | 174 void MakeIndirectExportsExplicit(Zone* zone); |
171 }; | 175 }; |
172 | 176 |
173 } // namespace internal | 177 } // namespace internal |
174 } // namespace v8 | 178 } // namespace v8 |
175 | 179 |
176 #endif // V8_AST_MODULES_H_ | 180 #endif // V8_AST_MODULES_H_ |
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