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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium 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 TOOLS_GN_IMPORT_MANAGER_H_ | 5 #ifndef TOOLS_GN_IMPORT_MANAGER_H_ |
6 #define TOOLS_GN_IMPORT_MANAGER_H_ | 6 #define TOOLS_GN_IMPORT_MANAGER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
| 10 #include <vector> |
10 | 11 |
11 #include "base/macros.h" | 12 #include "base/macros.h" |
12 #include "base/synchronization/lock.h" | 13 #include "base/synchronization/lock.h" |
13 | 14 |
14 class Err; | 15 class Err; |
15 class ParseNode; | 16 class ParseNode; |
16 class Scope; | 17 class Scope; |
17 class SourceFile; | 18 class SourceFile; |
18 | 19 |
19 // Provides a cache of the results of importing scopes so the results can | 20 // Provides a cache of the results of importing scopes so the results can |
20 // be re-used rather than running the imported files multiple times. | 21 // be re-used rather than running the imported files multiple times. |
21 class ImportManager { | 22 class ImportManager { |
22 public: | 23 public: |
23 ImportManager(); | 24 ImportManager(); |
24 ~ImportManager(); | 25 ~ImportManager(); |
25 | 26 |
26 // Does an import of the given file into the given scope. On error, sets the | 27 // Does an import of the given file into the given scope. On error, sets the |
27 // error and returns false. | 28 // error and returns false. |
28 bool DoImport(const SourceFile& file, | 29 bool DoImport(const SourceFile& file, |
29 const ParseNode* node_for_err, | 30 const ParseNode* node_for_err, |
30 Scope* scope, | 31 Scope* scope, |
31 Err* err); | 32 Err* err); |
32 | 33 |
| 34 std::vector<SourceFile> GetImportedFiles() const; |
| 35 |
33 private: | 36 private: |
34 struct ImportInfo; | 37 struct ImportInfo; |
35 | 38 |
36 // Protects access to imports_. Do not hold when actually executing imports. | 39 // Protects access to imports_. Do not hold when actually executing imports. |
37 base::Lock imports_lock_; | 40 base::Lock imports_lock_; |
38 | 41 |
39 // Owning pointers to the scopes. | 42 // Owning pointers to the scopes. |
40 typedef std::map<SourceFile, std::unique_ptr<ImportInfo>> ImportMap; | 43 typedef std::map<SourceFile, std::unique_ptr<ImportInfo>> ImportMap; |
41 ImportMap imports_; | 44 ImportMap imports_; |
42 | 45 |
43 DISALLOW_COPY_AND_ASSIGN(ImportManager); | 46 DISALLOW_COPY_AND_ASSIGN(ImportManager); |
44 }; | 47 }; |
45 | 48 |
46 #endif // TOOLS_GN_IMPORT_MANAGER_H_ | 49 #endif // TOOLS_GN_IMPORT_MANAGER_H_ |
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