65   StringRef FixedStr;
77   std::vector<std::pair<StringRef, unsigned> > VariableUses;
82   std::map<StringRef, unsigned> VariableDefs;
92   bool ParsePattern(StringRef PatternStr, SourceMgr &SM, unsigned LineNumber);
100   size_t Match(StringRef Buffer, size_t &MatchLen,
101                StringMap<StringRef> &VariableTable) const;
105   void PrintFailureInfo(const SourceMgr &SM, StringRef Buffer,
106                         const StringMap<StringRef> &VariableTable) const;
109   static void AddFixedStringToRegEx(StringRef FixedStr, std::string &TheStr);
110   bool AddRegExToRegEx(StringRef RS, unsigned &CurParen, SourceMgr &SM);
116   unsigned ComputeMatchDistance(StringRef Buffer,
117                                const StringMap<StringRef> &VariableTable) const;
121   bool EvaluateExpression(StringRef Expr, std::string &Value) const;
128   size_t FindRegexVarEnd(StringRef Str);
132 bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM,  in ParsePattern()
152       (PatternStr.find("{{") == StringRef::npos &&  in ParsePattern()
153        PatternStr.find("[[") == StringRef::npos)) {  in ParsePattern()
169       if (End == StringRef::npos) {  in ParsePattern()
201       if (End == StringRef::npos) {  in ParsePattern()
208       StringRef MatchStr = PatternStr.substr(2, End);  in ParsePattern()
213       StringRef Name = MatchStr.substr(0, NameEnd);  in ParsePattern()
227           if (NameEnd != StringRef::npos) {  in ParsePattern()
252       if (NameEnd == StringRef::npos) {  in ParsePattern()
292 void Pattern::AddFixedStringToRegEx(StringRef FixedStr, std::string &TheStr) {  in AddFixedStringToRegEx()
319 bool Pattern::AddRegExToRegEx(StringRef RS, unsigned &CurParen,  in AddRegExToRegEx()
341 bool Pattern::EvaluateExpression(StringRef Expr, std::string &Value) const {  in EvaluateExpression()
345   Expr = Expr.substr(StringRef("@LINE").size());  in EvaluateExpression()
362 size_t Pattern::Match(StringRef Buffer, size_t &MatchLen,  in Match()
363                       StringMap<StringRef> &VariableTable) const {  in Match()
380   StringRef RegExToMatch = RegExStr;  in Match()
391           return StringRef::npos;  in Match()
393         StringMap<StringRef>::iterator it =  in Match()
397           return StringRef::npos;  in Match()
414   SmallVector<StringRef, 4> MatchInfo;  in Match()
416     return StringRef::npos;  in Match()
420   StringRef FullMatch = MatchInfo[0];  in Match()
423   for (std::map<StringRef, unsigned>::const_iterator I = VariableDefs.begin(),  in Match()
434 unsigned Pattern::ComputeMatchDistance(StringRef Buffer,  in ComputeMatchDistance()
435                               const StringMap<StringRef> &VariableTable) const {  in ComputeMatchDistance()
442   StringRef ExampleString(FixedStr);  in ComputeMatchDistance()
447   StringRef BufferPrefix = Buffer.substr(0, ExampleString.size());  in ComputeMatchDistance()
452 void Pattern::PrintFailureInfo(const SourceMgr &SM, StringRef Buffer,  in PrintFailureInfo()
453                                const StringMap<StringRef> &VariableTable) const{  in PrintFailureInfo()
460       StringRef Var = VariableUses[i].first;  in PrintFailureInfo()
472         StringMap<StringRef>::const_iterator it = VariableTable.find(Var);  in PrintFailureInfo()
495   size_t Best = StringRef::npos;  in PrintFailureInfo()
513     if (Quality < BestQuality || Best == StringRef::npos) {  in PrintFailureInfo()
522   if (Best && Best != StringRef::npos && BestQuality < 50) {  in PrintFailureInfo()
531 size_t Pattern::FindRegexVarEnd(StringRef Str) {  in FindRegexVarEnd()
561   return StringRef::npos;  in FindRegexVarEnd()
651   StringRef Buffer = F->getBuffer();  in ReadCheckFile()
662     if (PrefixLoc == StringRef::npos)  in ReadCheckFile()
749                              StringRef Buffer,  in PrintCheckFailed()
750                              StringMap<StringRef> &VariableTable) {  in PrintCheckFailed()
768 static unsigned CountNumNewlinesBetween(StringRef Range) {  in CountNumNewlinesBetween()
820   StringMap<StringRef> VariableTable;  in main()
824   StringRef Buffer = F->getBuffer();  in main()
831     StringRef SearchFrom = Buffer;  in main()
839     if (MatchPos == StringRef::npos) {  in main()
844     StringRef SkippedRegion(LastMatch, Buffer.data()-LastMatch);  in main()
883       if (Pos == StringRef::npos) continue;  in main()