121 Token Lexer::emitError(SMRange loc, const Twine &msg) {  in emitError()  function in Lexer
122   diagEngine.emitError(loc, msg);  in emitError()
127   diagEngine.emitError(loc, msg)->attachNote(note, noteLoc);  in emitErrorAndNote()
130 Token Lexer::emitError(const char *loc, const Twine &msg) {  in emitError()  function in Lexer
131   return emitError(  in emitError()
178       return emitError(tokStart, "unexpected character");  in lexToken()
200       return emitError(tokStart, "unexpected character");  in lexToken()
241       return emitError(tokStart, "unexpected character");  in lexToken()
381       return emitError(curPtr - 1,  in lexString()
390         return emitError(curPtr - 1, "expected '\"' in string literal");  in lexString()
402         return emitError(curPtr - 1, "unknown escape in string literal");  in lexString()