refactor pic_for_each

This commit is contained in:
Yuichi Nishiwaki 2014-03-03 22:21:34 +09:00
parent 34bcabf5bc
commit 464925d220
1 changed files with 3 additions and 4 deletions

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@ -32,14 +32,13 @@ pic_value pic_list6(pic_state *, pic_value, pic_value, pic_value, pic_value, pic
pic_value pic_list_by_array(pic_state *, size_t, pic_value *); pic_value pic_list_by_array(pic_state *, size_t, pic_value *);
pic_value pic_make_list(pic_state *, int, pic_value); pic_value pic_make_list(pic_state *, int, pic_value);
#define PIC_FOR_EACH_HELPER(var, tmp, list) \ #define pic_for_each(var, list) \
pic_for_each_helper__(var, GENSYM(pic_for_each_tmp__), list)
#define pic_for_each_helper__(var, tmp, list) \
for (pic_value tmp = (list); \ for (pic_value tmp = (list); \
pic_nil_p(tmp) ? false : ((var = pic_car(pic, tmp)), true); \ pic_nil_p(tmp) ? false : ((var = pic_car(pic, tmp)), true); \
tmp = pic_cdr(pic, tmp)) tmp = pic_cdr(pic, tmp))
#define pic_for_each(var, list) \
PIC_FOR_EACH_HELPER(var, GENSYM(pic_for_each_tmp__), list) \
int pic_length(pic_state *, pic_value); int pic_length(pic_state *, pic_value);
pic_value pic_reverse(pic_state *, pic_value); pic_value pic_reverse(pic_state *, pic_value);
pic_value pic_append(pic_state *, pic_value, pic_value); pic_value pic_append(pic_state *, pic_value, pic_value);