419   std::string dirName{ToLowerCaseLetters(dir.TokenAt(dirOffset).ToString())};  in Directive()  local
425   if (dirName == "line") {  in Directive()
427   } else if (dirName == "define") {  in Directive()
490   } else if (dirName == "undef") {  in Directive()
503   } else if (dirName == "ifdef" || dirName == "ifndef") {  in Directive()
508           "#%s: missing name"_err_en_US, dirName);  in Directive()
512             "#%s: excess tokens at end of directive"_port_en_US, dirName);  in Directive()
514       doThen = IsNameDefined(nameToken) == (dirName == "ifdef");  in Directive()
519       SkipDisabledConditionalCode(dirName, IsElseActive::Yes, prescanner,  in Directive()
522   } else if (dirName == "if") {  in Directive()
526       SkipDisabledConditionalCode(dirName, IsElseActive::Yes, prescanner,  in Directive()
529   } else if (dirName == "else") {  in Directive()
544   } else if (dirName == "elif") {  in Directive()
556   } else if (dirName == "endif") {  in Directive()
566   } else if (dirName == "error") {  in Directive()
570   } else if (dirName == "warning") {  in Directive()
574   } else if (dirName == "comment" || dirName == "note") {  in Directive()
578   } else if (dirName == "include") {  in Directive()
644         "#%s: unknown or unimplemented directive"_err_en_US, dirName);  in Directive()
674 void Preprocessor::SkipDisabledConditionalCode(const std::string &dirName,  in SkipDisabledConditionalCode()  argument
705   prescanner.Say(provenanceRange, "#%s: missing #endif"_err_en_US, dirName);  in SkipDisabledConditionalCode()