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Set MRB_STR_ASCII flag in String#inspect

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`String#inspect` can set `MRB_STR_ASCII` flag to receiver and return value
because it checks character byte length.
This commit is contained in:
KOBAYASHI Shuji
2019-07-22 19:39:25 +09:00
parent f99e9963b2
commit fe8b463c4e
1 changed files with 8 additions and 1 deletions
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src/string.c
+8 -1
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@@ -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;
}