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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef BIN_EXTENSIONS_H_ | 5 #ifndef BIN_EXTENSIONS_H_ |
6 #define BIN_EXTENSIONS_H_ | 6 #define BIN_EXTENSIONS_H_ |
7 | 7 |
8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
9 #include "platform/globals.h" | 9 #include "platform/globals.h" |
10 | 10 |
11 class Extensions { | 11 class Extensions { |
12 public: | 12 public: |
13 // TODO(whesse): Make loading extensions lazy, so dynamic library is loaded | |
14 // only when first native function is called. | |
15 // TODO(whesse): Make extension load from a relative path relative to | 13 // TODO(whesse): Make extension load from a relative path relative to |
16 // the library it is in. Currently loads from current working directory. | 14 // the library it is in. Currently loads from current working directory. |
17 static Dart_Handle LoadExtension(const char* extension_url, | 15 static Dart_Handle LoadExtension(const char* extension_url, |
18 Dart_Handle library); | 16 Dart_Handle parent_library); |
| 17 |
19 private: | 18 private: |
| 19 // The returned string must be freed. |
| 20 static char* Concatenate(const char** strings); |
| 21 |
| 22 // Platform-specific implementations. |
| 23 static void* LoadExtensionLibrary(const char* library_name); |
| 24 static void* ResolveSymbol(void* lib_handle, const char* symbol); |
| 25 |
20 DISALLOW_ALLOCATION(); | 26 DISALLOW_ALLOCATION(); |
21 DISALLOW_IMPLICIT_CONSTRUCTORS(Extensions); | 27 DISALLOW_IMPLICIT_CONSTRUCTORS(Extensions); |
22 }; | 28 }; |
23 | 29 |
24 #endif // BIN_EXTENSIONS_H_ | 30 #endif // BIN_EXTENSIONS_H_ |
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