916 bool Pattern::parsePattern(StringRef PatternStr, StringRef Prefix,  in parsePattern()  argument
921   PatternLoc = SMLoc::getFromPointer(PatternStr.data());  in parsePattern()
925     while (!PatternStr.empty() &&  in parsePattern()
926            (PatternStr.back() == ' ' || PatternStr.back() == '\t'))  in parsePattern()
927       PatternStr = PatternStr.substr(0, PatternStr.size() - 1);  in parsePattern()
930   if (PatternStr.empty() && CheckTy != Check::CheckEmpty) {  in parsePattern()
936   if (!PatternStr.empty() && CheckTy == Check::CheckEmpty) {  in parsePattern()
951     FixedStr = PatternStr;  in parsePattern()
957       (PatternStr.size() < 2 || (PatternStr.find("{{") == StringRef::npos &&  in parsePattern()
958                                  PatternStr.find("[[") == StringRef::npos))) {  in parsePattern()
959     FixedStr = PatternStr;  in parsePattern()
975   while (!PatternStr.empty()) {  in parsePattern()
977     if (PatternStr.startswith("{{")) {  in parsePattern()
979       size_t End = PatternStr.find("}}");  in parsePattern()
981         SM.PrintMessage(SMLoc::getFromPointer(PatternStr.data()),  in parsePattern()
994       if (AddRegExToRegEx(PatternStr.substr(2, End - 2), CurParen, SM))  in parsePattern()
998       PatternStr = PatternStr.substr(End + 2);  in parsePattern()
1011     if (PatternStr.startswith("[[")) {  in parsePattern()
1012       StringRef UnparsedPatternStr = PatternStr.substr(2);  in parsePattern()
1020         SM.PrintMessage(SMLoc::getFromPointer(PatternStr.data()),  in parsePattern()
1028       PatternStr = UnparsedPatternStr.substr(End + 2);  in parsePattern()
1188     size_t FixedMatchEnd = PatternStr.find("{{");  in parsePattern()
1189     FixedMatchEnd = std::min(FixedMatchEnd, PatternStr.find("[["));  in parsePattern()
1190     RegExStr += Regex::escape(PatternStr.substr(0, FixedMatchEnd));  in parsePattern()
1191     PatternStr = PatternStr.substr(FixedMatchEnd);  in parsePattern()