static mrb_value
mrb_ary_inspect(mrb_state *mrb, mrb_value ary)
{
if (RARRAY_LEN(ary) == 0) return mrb_str_new(mrb, "[]", 2);
#if 0 /* THREAD */
return mrb_exec_recursive(inspect_ary_r, ary, 0);
#else
return inspect_ary(mrb, ary, mrb_ary_new(mrb));
#endif
}
static mrb_value
inspect_ary(mrb_state *mrb, mrb_value ary, mrb_value list)
{
mrb_int i;
mrb_value s, arystr;
char head[] = { '[' };
char sep[] = { ',', ' ' };
char tail[] = { ']' };
/* check recursive */
for(i=0; i<RARRAY_LEN(list); i++) {
if (mrb_obj_equal(mrb, ary, RARRAY_PTR(list)[i])) {
return mrb_str_new(mrb, "[...]", 5);
}
}
mrb_ary_push(mrb, list, ary);
arystr = mrb_str_buf_new(mrb, 64);
mrb_str_buf_cat(mrb, arystr, head, sizeof(head));
for(i=0; i<RARRAY_LEN(ary); i++) {
int ai = mrb_gc_arena_save(mrb);
if (i > 0) {
mrb_str_buf_cat(mrb, arystr, sep, sizeof(sep));
}
if (mrb_array_p(RARRAY_PTR(ary)[i])) {
s = inspect_ary(mrb, RARRAY_PTR(ary)[i], list);
}
else {
s = mrb_inspect(mrb, RARRAY_PTR(ary)[i]);
}
mrb_str_buf_cat(mrb, arystr, RSTRING_PTR(s), RSTRING_LEN(s));
mrb_gc_arena_restore(mrb, ai);
}
mrb_str_buf_cat(mrb, arystr, tail, sizeof(tail));
mrb_ary_pop(mrb, list);
return arystr;
}
static mrb_value
mrb_ary_inspect(mrb_state *mrb, mrb_value ary)
{
if (RARRAY_LEN(ary) == 0) return mrb_str_new(mrb, "[]", 2);
return inspect_ary(mrb, ary, mrb_ary_new(mrb));
}
