516 struct CounterCoverageMappingBuilder  struct
520   llvm::DenseMap<const Stmt *, unsigned> &CounterMap;
523   std::vector<SourceMappingRegion> RegionStack;
527   Optional<SourceMappingRegion> DeferredRegion;
529   CounterExpressionBuilder Builder;
535   SourceLocation MostRecentLocation;
538   Optional<std::pair<SourceLocation, size_t>> LastTerminatedRegion;
541   Counter subtractCounters(Counter LHS, Counter RHS) {  in subtractCounters()
546   Counter addCounters(Counter LHS, Counter RHS) {  in addCounters()
550   Counter addCounters(Counter C1, Counter C2, Counter C3) {  in addCounters()
557   Counter getRegionCounter(const Stmt *S) {  in getRegionCounter()
565   size_t pushRegion(Counter Count, Optional<SourceLocation> StartLoc = None,  in pushRegion()
578   size_t completeDeferred(Counter Count, SourceLocation DeferredEndLoc) {  in completeDeferred()
619   void completeTopLevelDeferredRegion(Counter Count,  in completeTopLevelDeferredRegion()
638   size_t locationDepth(SourceLocation Loc) {  in locationDepth()
651   void popRegions(size_t ParentIndex) {  in popRegions()
737   SourceMappingRegion &getRegion() {  in getRegion()
744   Counter propagateCounts(Counter TopCount, const Stmt *S,  in propagateCounts()
764   bool isRegionAlreadyAdded(SourceLocation StartLoc, SourceLocation EndLoc) {  in isRegionAlreadyAdded()
776   void adjustForOutOfOrderTraversal(SourceLocation EndLoc) {  in adjustForOutOfOrderTraversal()
795   void handleFileExit(SourceLocation NewLoc) {  in handleFileExit()
858   void extendRegion(const Stmt *S) {  in extendRegion()
870   void terminateRegion(const Stmt *S) {  in terminateRegion()
883   Optional<SourceRange> findGapAreaBetween(SourceLocation AfterLoc,  in findGapAreaBetween()
895   Optional<SourceRange> findGapAreaBetween(const Stmt *AfterStmt,  in findGapAreaBetween()
902   void fillGapAreaWithCount(SourceLocation StartLoc, SourceLocation EndLoc,  in fillGapAreaWithCount()
915   struct BreakContinue {
919   SmallVector<BreakContinue, 8> BreakContinueStack;
921   CounterCoverageMappingBuilder(  in CounterCoverageMappingBuilder()  function
929   void write(llvm::raw_ostream &OS) {  in write()
945   void VisitStmt(const Stmt *S) {  in VisitStmt()
954   void VisitDecl(const Decl *D) {  in VisitDecl()
981   void VisitReturnStmt(const ReturnStmt *S) {  in VisitReturnStmt()
988   void VisitCoroutineBodyStmt(const CoroutineBodyStmt *S) {  in VisitCoroutineBodyStmt()
993   void VisitCoreturnStmt(const CoreturnStmt *S) {  in VisitCoreturnStmt()
1000   void VisitCXXThrowExpr(const CXXThrowExpr *E) {  in VisitCXXThrowExpr()
1007   void VisitGotoStmt(const GotoStmt *S) { terminateRegion(S); }  in VisitGotoStmt()
1009   void VisitLabelStmt(const LabelStmt *S) {  in VisitLabelStmt()
1020   void VisitBreakStmt(const BreakStmt *S) {  in VisitBreakStmt()
1029   void VisitContinueStmt(const ContinueStmt *S) {  in VisitContinueStmt()
1036   void VisitCallExpr(const CallExpr *E) {  in VisitCallExpr()
1046   void VisitWhileStmt(const WhileStmt *S) {  in VisitWhileStmt()
1075   void VisitDoStmt(const DoStmt *S) {  in VisitDoStmt()
1096   void VisitForStmt(const ForStmt *S) {  in VisitForStmt()
1143   void VisitCXXForRangeStmt(const CXXForRangeStmt *S) {  in VisitCXXForRangeStmt()
1172   void VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {  in VisitObjCForCollectionStmt()
1198   void VisitSwitchStmt(const SwitchStmt *S) {  in VisitSwitchStmt()
1244   void VisitSwitchCase(const SwitchCase *S) {  in VisitSwitchCase()
1265   void VisitIfStmt(const IfStmt *S) {  in VisitIfStmt()
1304   void VisitCXXTryStmt(const CXXTryStmt *S) {  in VisitCXXTryStmt()
1319   void VisitCXXCatchStmt(const CXXCatchStmt *S) {  in VisitCXXCatchStmt()
1323   void VisitAbstractConditionalOperator(const AbstractConditionalOperator *E) {  in VisitAbstractConditionalOperator()
1347   void VisitBinLAnd(const BinaryOperator *E) {  in VisitBinLAnd()
1356   void VisitBinLOr(const BinaryOperator *E) {  in VisitBinLOr()
1365   void VisitLambdaExpr(const LambdaExpr *LE) {  in VisitLambdaExpr()