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| author | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-22 04:28:00 +0100 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-28 08:58:40 +0100 |
| commit | e3e8caf61bbc22c3b278ce8bd36501b73806d524 (patch) | |
| tree | ac24885c76082486e1fbd12ef5f525ea5d566d24 /migration/migration.hpp | |
| parent | 01b80e4f56cc9f5120a9a34690e6f593006e5585 (diff) | |
actually expand __COUNTER__
Diffstat (limited to 'migration/migration.hpp')
| -rw-r--r-- | migration/migration.hpp | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/migration/migration.hpp b/migration/migration.hpp index 2c1fee5b..a3035247 100644 --- a/migration/migration.hpp +++ b/migration/migration.hpp @@ -57,19 +57,14 @@ namespace detail { }; } -#ifndef __COUNTER__ -# error "oops, need __COUNTER__ extension for preprocessor" -#endif +#define OPENTRACK_MIGRATION3(type, ctr) \ + static const char init_##ctr = (::migrations::detail::registrator<type>{}, 0); -#define MIGRATE_EXPAND2(x) x -#define MIGRATE_EXPAND1(x) MIGRATE_EXPAND2(x) -#define MIGRATE_EXPANDED2(type, ctr) \ - static ::migrations::detail::registrator<type> opentrack_migration_registrator_ ## ctr -#define MIGRATE_EXPANDED1(type, ctr) \ - MIGRATE_EXPANDED2(type, ctr) +#define OPENTRACK_MIGRATION2(type, ctr) \ + OPENTRACK_MIGRATION3(type, ctr) #define OPENTRACK_MIGRATION(type) \ - MIGRATE_EXPANDED1(type, MIGRATE_EXPAND1(__COUNTER__)) + OPENTRACK_MIGRATION2(type, __COUNTER__) struct migration { |