22   SourceLocation Loc;  member
39   void If(SourceLocation Loc, SourceRange ConditionRange,  in If()  argument
44     checkMacroRedundancy(Loc, Condition, IfStack, DK_If, DK_If, true);  in If()
47   void Ifdef(SourceLocation Loc, const Token &MacroNameTok,  in Ifdef()  argument
50     checkMacroRedundancy(Loc, MacroName, IfdefStack, DK_Ifdef, DK_Ifdef, true);  in Ifdef()
51     checkMacroRedundancy(Loc, MacroName, IfndefStack, DK_Ifdef, DK_Ifndef,  in Ifdef()
55   void Ifndef(SourceLocation Loc, const Token &MacroNameTok,  in Ifndef()  argument
58     checkMacroRedundancy(Loc, MacroName, IfndefStack, DK_Ifndef, DK_Ifndef,  in Ifndef()
60     checkMacroRedundancy(Loc, MacroName, IfdefStack, DK_Ifndef, DK_Ifdef,  in Ifndef()
64   void Endif(SourceLocation Loc, SourceLocation IfLoc) override {  in Endif()  argument
65     if (!IfStack.empty() && IfLoc == IfStack.back().Loc)  in Endif()
67     if (!IfdefStack.empty() && IfLoc == IfdefStack.back().Loc)  in Endif()
69     if (!IfndefStack.empty() && IfLoc == IfndefStack.back().Loc)  in Endif()
74   void checkMacroRedundancy(SourceLocation Loc, StringRef MacroName,  in checkMacroRedundancy()  argument
78     if (PP.getSourceManager().isInMainFile(Loc)) {  in checkMacroRedundancy()
81           Check.diag(Loc, WarningDescription) << WarningKind;  in checkMacroRedundancy()
82           Check.diag(Entry.Loc, NoteDescription, DiagnosticIDs::Note)  in checkMacroRedundancy()
90       Stack.push_back({Loc, std::string(MacroName)});  in checkMacroRedundancy()