lua/include/rotable.h

   1 #ifndef ROTABLE_H_
   2 #define ROTABLE_H_
   3
   4 #include "lua.h"
   5
   6 /* exactly the same as luaL_Reg, but since we are on small embedded
   7  * microcontrollers, we don't assume that you have `lauxlib.h`
   8  * available in your build! */
   9 typedef struct rotable_Reg {
  10   char const* name;
  11   lua_CFunction func;
  12   lua_Integer value;
  13 } rotable_Reg;
  14
  15 #ifndef ROTABLE_EXPORT
  16 #  define ROTABLE_EXPORT extern
  17 #endif
  18
  19 /* compatible with `luaL_newlib()`, and works with `luaL_Reg` *and*
  20  * `rotable_Reg` arrays (in case you don't use `lauxlib.h`) */
  21 ROTABLE_EXPORT void rotable_newlib( lua_State* L, void const* reg );
  22
  23 /* Since userdatas can not be used as `__index` meta methods directly
  24  * this function creates a C closure that looks up keys in a given
  25  * `rotable_Reg` array. */
  26 ROTABLE_EXPORT void rotable_newidx( lua_State* L, void const* reg );
  27
  28 #endif /* ROTABLE_H_ */
  29