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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_BASE_COMPILER_SPECIFIC_H_ | 5 #ifndef V8_BASE_COMPILER_SPECIFIC_H_ |
| 6 #define V8_BASE_COMPILER_SPECIFIC_H_ | 6 #define V8_BASE_COMPILER_SPECIFIC_H_ |
| 7 | 7 |
| 8 #include "include/v8config.h" | 8 #include "include/v8config.h" |
| 9 | 9 |
| 10 // Annotate a typedef or function indicating it's ok if it's not used. | 10 // Annotate a typedef or function indicating it's ok if it's not used. |
| 11 // Use like: | 11 // Use like: |
| 12 // typedef Foo Bar ALLOW_UNUSED_TYPE; | 12 // typedef Foo Bar ALLOW_UNUSED_TYPE; |
| 13 #if V8_HAS_ATTRIBUTE_UNUSED | 13 #if V8_HAS_ATTRIBUTE_UNUSED |
| 14 #define ALLOW_UNUSED_TYPE __attribute__((unused)) | 14 #define ALLOW_UNUSED_TYPE __attribute__((unused)) |
| 15 #else | 15 #else |
| 16 #define ALLOW_UNUSED_TYPE | 16 #define ALLOW_UNUSED_TYPE |
| 17 #endif | 17 #endif |
| 18 | 18 |
| 19 | 19 |
| 20 // Annotate a virtual method indicating it must be overriding a virtual | |
| 21 // method in the parent class. | |
| 22 // Use like: | |
| 23 // virtual void bar() OVERRIDE; | |
| 24 #if V8_HAS_CXX11_OVERRIDE | |
| 25 #define OVERRIDE override | |
| 26 #else | |
| 27 #define OVERRIDE /* NOT SUPPORTED */ | |
| 28 #endif | |
| 29 | |
| 30 | |
| 31 // Annotate a virtual method indicating that subclasses must not override it, | |
| 32 // or annotate a class to indicate that it cannot be subclassed. | |
| 33 // Use like: | |
| 34 // class B FINAL : public A {}; | |
| 35 // virtual void bar() FINAL; | |
| 36 #if V8_HAS_CXX11_FINAL | |
| 37 #define FINAL final | |
| 38 #elif V8_HAS___FINAL | |
| 39 #define FINAL __final | |
| 40 #else | |
| 41 #define FINAL /* NOT SUPPORTED */ | |
| 42 #endif | |
| 43 | |
| 44 | |
| 45 // Annotate a function indicating the caller must examine the return value. | 20 // Annotate a function indicating the caller must examine the return value. |
| 46 // Use like: | 21 // Use like: |
| 47 // int foo() WARN_UNUSED_RESULT; | 22 // int foo() WARN_UNUSED_RESULT; |
| 48 #if V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT | 23 #if V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT |
| 49 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) | 24 #define WARN_UNUSED_RESULT __attribute__((warn_unused_result)) |
| 50 #else | 25 #else |
| 51 #define WARN_UNUSED_RESULT /* NOT SUPPORTED */ | 26 #define WARN_UNUSED_RESULT /* NOT SUPPORTED */ |
| 52 #endif | 27 #endif |
| 53 | 28 |
| 54 | 29 |
| (...skipping 13 matching lines...) Expand all Loading... |
| 68 // | 43 // |
| 69 // In .cc file: | 44 // In .cc file: |
| 70 // STATIC_CONST_MEMBER_DEFINITION const int Foo::kBar; | 45 // STATIC_CONST_MEMBER_DEFINITION const int Foo::kBar; |
| 71 #if V8_HAS_DECLSPEC_SELECTANY | 46 #if V8_HAS_DECLSPEC_SELECTANY |
| 72 #define STATIC_CONST_MEMBER_DEFINITION __declspec(selectany) | 47 #define STATIC_CONST_MEMBER_DEFINITION __declspec(selectany) |
| 73 #else | 48 #else |
| 74 #define STATIC_CONST_MEMBER_DEFINITION | 49 #define STATIC_CONST_MEMBER_DEFINITION |
| 75 #endif | 50 #endif |
| 76 | 51 |
| 77 #endif // V8_BASE_COMPILER_SPECIFIC_H_ | 52 #endif // V8_BASE_COMPILER_SPECIFIC_H_ |
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