comparison: src/macros.h
src/macros.h
- changeset 709
- 47a2f9d10ebe
- parent 706
- d79083b9f74d
- child 754
- c37564d59ce1
equal
deleted
inserted
replaced
| 708:3155f2c05f89 | 709:47a2f9d10ebe |
|---|---|
| 15 * You should have received a copy of the GNU General Public License | 15 * You should have received a copy of the GNU General Public License |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 */ | 17 */ |
| 18 | 18 |
| 19 #pragma once | 19 #pragma once |
| 20 #include <type_traits> | |
| 20 | 21 |
| 21 #ifndef __GNUC__ | 22 #ifndef __GNUC__ |
| 22 # define __attribute__(X) | 23 # define __attribute__(X) |
| 23 #endif | 24 #endif |
| 24 | 25 |
| 25 #define countof(A) ((int) (sizeof A / sizeof *A)) | 26 // ============================================================================= |
| 27 // | |
| 28 #define countof(A) (safeCountOf<std::is_array<decltype(A)>::value, (sizeof A / sizeof *A)>()) | |
| 29 | |
| 30 template<bool isArray, size_t elems> | |
| 31 inline constexpr int safeCountOf() __attribute__ ((always_inline)); | |
| 32 | |
| 33 template<bool isArray, size_t elems> | |
| 34 inline constexpr int safeCountOf() | |
| 35 { | |
| 36 static_assert (isArray, "parameter to countof must be an array"); | |
| 37 return elems; | |
| 38 } | |
| 26 | 39 |
| 27 // ============================================================================= | 40 // ============================================================================= |
| 28 // | 41 // |
| 29 #define PROPERTY(ACCESS, TYPE, READ, WRITE, WRITETYPE) \ | 42 #define PROPERTY(ACCESS, TYPE, READ, WRITE, WRITETYPE) \ |
| 30 private: \ | 43 private: \ |
