27 Regex::Regex() : preg(nullptr), error(REG_BADPAT) {}  in Regex()
31   preg = new llvm_regex();  in Regex()
32   preg->re_endp = regex.end();  in Regex()
39   error = llvm_regcomp(preg, regex.data(), flags|REG_PEND);  in Regex()
46   preg = regex.preg;  in Regex()
48   regex.preg = nullptr;  in Regex()
53   if (preg) {  in ~Regex()
54     llvm_regfree(preg);  in ~Regex()
55     delete preg;  in ~Regex()
62 void RegexErrorToString(int error, struct llvm_regex *preg,  in RegexErrorToString()  argument
64   size_t len = llvm_regerror(error, preg, nullptr, 0);  in RegexErrorToString()
67   llvm_regerror(error, preg, &Error[0], len);  in RegexErrorToString()
76   RegexErrorToString(error, preg, Error);  in isValid()
83   return preg->re_nsub;  in getNumMatches()
96   unsigned nmatch = Matches ? preg->re_nsub+1 : 0;  in match()
104   int rc = llvm_regexec(preg, String.data(), nmatch, pm.data(), REG_STARTEND);  in match()
112       RegexErrorToString(error, preg, *Error);  in match()