Set `MRB_STR_ASCII` flag in `String#inspect`
`String#inspect` can set `MRB_STR_ASCII` flag to receiver and return value
because it checks character byte length.
@@ -2789,6 +2789,9 @@ mrb_str_inspect(mrb_state *mrb, mrb_value str)
const char *p, *pend;
char buf[CHAR_ESC_LEN + 1];
mrb_value result = mrb_str_new_lit(mrb, "\"");
+#ifdef MRB_UTF8_STRING
+ uint32_t ascii_flag = MRB_STR_ASCII;
+#endif
p = RSTRING_PTR(str); pend = RSTRING_END(str);
for (;p < pend; p++) {
@@ -2805,6 +2808,7 @@ mrb_str_inspect(mrb_state *mrb, mrb_value str)
}
mrb_str_cat(mrb, result, buf, clen);
p += clen-1;
+ ascii_flag = 0;
continue;
}
#endif
@@ -2846,7 +2850,10 @@ mrb_str_inspect(mrb_state *mrb, mrb_value str)
}
}
mrb_str_cat_lit(mrb, result, "\"");
- RSTR_COPY_ASCII_FLAG(mrb_str_ptr(result), mrb_str_ptr(str));
+#ifdef MRB_UTF8_STRING
+ mrb_str_ptr(str)->flags |= ascii_flag;
+ mrb_str_ptr(result)->flags |= ascii_flag;
+#endif
return result;
}
