1 #include <lua.h>

2 #include <lauxlib.h>

3

4 typedef struct {

5 lua_State *L;

6 int idx;

7 int itertype;

8 lua_Integer i;

9 } seqlua_Iterator;

10

11 extern void seqlua_iterinit(lua_State *L, seqlua_Iterator *iter, int idx);

12

13 extern int seqlua_iternext(seqlua_Iterator *iter);

14

15 #define seqlua_iterloop(L, iter, idx) \

16 for ( \

17 seqlua_iterinit((L), (iter), (idx)); \

18 seqlua_iternext(iter); \

19 lua_pop((L), 1) \

20 )

21

22 #define seqlua_itercount(iter) ((iter)->i)

23

24 extern void seqlua_iterclosure(lua_State *L, int idx);

25