198   StringRef::iterator Position= Range.begin();  in decodeUTF8()  local
202   if (Position < End && (*Position & 0x80) == 0) {  in decodeUTF8()
203     return std::make_pair(*Position, 1);  in decodeUTF8()
207   if (Position + 1 < End && ((*Position & 0xE0) == 0xC0) &&  in decodeUTF8()
208       ((*(Position + 1) & 0xC0) == 0x80)) {  in decodeUTF8()
209     uint32_t codepoint = ((*Position & 0x1F) << 6) |  in decodeUTF8()
210                           (*(Position + 1) & 0x3F);  in decodeUTF8()
216   if (Position + 2 < End && ((*Position & 0xF0) == 0xE0) &&  in decodeUTF8()
217       ((*(Position + 1) & 0xC0) == 0x80) &&  in decodeUTF8()
218       ((*(Position + 2) & 0xC0) == 0x80)) {  in decodeUTF8()
219     uint32_t codepoint = ((*Position & 0x0F) << 12) |  in decodeUTF8()
220                          ((*(Position + 1) & 0x3F) << 6) |  in decodeUTF8()
221                           (*(Position + 2) & 0x3F);  in decodeUTF8()
230   if (Position + 3 < End && ((*Position & 0xF8) == 0xF0) &&  in decodeUTF8()
231       ((*(Position + 1) & 0xC0) == 0x80) &&  in decodeUTF8()
232       ((*(Position + 2) & 0xC0) == 0x80) &&  in decodeUTF8()
233       ((*(Position + 3) & 0xC0) == 0x80)) {  in decodeUTF8()
234     uint32_t codepoint = ((*Position & 0x07) << 18) |  in decodeUTF8()
235                          ((*(Position + 1) & 0x3F) << 12) |  in decodeUTF8()
236                          ((*(Position + 2) & 0x3F) << 6) |  in decodeUTF8()
237                           (*(Position + 3) & 0x3F);  in decodeUTF8()
266   void setError(const Twine &Message, StringRef::iterator Position) {  in setError()  argument
267     if (Position >= End)  in setError()
268       Position = End - 1;  in setError()
277       printError(SMLoc::getFromPointer(Position), SourceMgr::DK_Error, Message);  in setError()
299   UTF8Decoded decodeUTF8(StringRef::iterator Position) {  in decodeUTF8()  argument
300     return ::decodeUTF8(StringRef(Position, End - Position));  in decodeUTF8()
330   StringRef::iterator skip_nb_char(StringRef::iterator Position);
338   StringRef::iterator skip_b_break(StringRef::iterator Position);
346   StringRef::iterator skip_s_space(StringRef::iterator Position);
354   StringRef::iterator skip_s_white(StringRef::iterator Position);
362   StringRef::iterator skip_ns_char(StringRef::iterator Position);
372                                 , StringRef::iterator Position);
393   bool isBlankOrBreak(StringRef::iterator Position);
918 StringRef::iterator Scanner::skip_nb_char(StringRef::iterator Position) {  in skip_nb_char()  argument
919   if (Position == End)  in skip_nb_char()
920     return Position;  in skip_nb_char()
922   if (   *Position == 0x09  in skip_nb_char()
923       || (*Position >= 0x20 && *Position <= 0x7E))  in skip_nb_char()
924     return Position + 1;  in skip_nb_char()
927   if (uint8_t(*Position) & 0x80) {  in skip_nb_char()
928     UTF8Decoded u8d = decodeUTF8(Position);  in skip_nb_char()
938       return Position + u8d.second;  in skip_nb_char()
940   return Position;  in skip_nb_char()
943 StringRef::iterator Scanner::skip_b_break(StringRef::iterator Position) {  in skip_b_break()  argument
944   if (Position == End)  in skip_b_break()
945     return Position;  in skip_b_break()
946   if (*Position == 0x0D) {  in skip_b_break()
947     if (Position + 1 != End && *(Position + 1) == 0x0A)  in skip_b_break()
948       return Position + 2;  in skip_b_break()
949     return Position + 1;  in skip_b_break()
952   if (*Position == 0x0A)  in skip_b_break()
953     return Position + 1;  in skip_b_break()
954   return Position;  in skip_b_break()
957 StringRef::iterator Scanner::skip_s_space(StringRef::iterator Position) {  in skip_s_space()  argument
958   if (Position == End)  in skip_s_space()
959     return Position;  in skip_s_space()
960   if (*Position == ' ')  in skip_s_space()
961     return Position + 1;  in skip_s_space()
962   return Position;  in skip_s_space()
965 StringRef::iterator Scanner::skip_s_white(StringRef::iterator Position) {  in skip_s_white()  argument
966   if (Position == End)  in skip_s_white()
967     return Position;  in skip_s_white()
968   if (*Position == ' ' || *Position == '\t')  in skip_s_white()
969     return Position + 1;  in skip_s_white()
970   return Position;  in skip_s_white()
973 StringRef::iterator Scanner::skip_ns_char(StringRef::iterator Position) {  in skip_ns_char()  argument
974   if (Position == End)  in skip_ns_char()
975     return Position;  in skip_ns_char()
976   if (*Position == ' ' || *Position == '\t')  in skip_ns_char()
977     return Position;  in skip_ns_char()
978   return skip_nb_char(Position);  in skip_ns_char()
982                                        , StringRef::iterator Position) {  in skip_while()  argument
984     StringRef::iterator i = (this->*Func)(Position);  in skip_while()
985     if (i == Position)  in skip_while()
987     Position = i;  in skip_while()
989   return Position;  in skip_while()
1045 bool Scanner::isBlankOrBreak(StringRef::iterator Position) {  in isBlankOrBreak()  argument
1046   if (Position == End)  in isBlankOrBreak()
1048   return *Position == ' ' || *Position == '\t' || *Position == '\r' ||  in isBlankOrBreak()
1049          *Position == '\n';  in isBlankOrBreak()
1053   for (const auto *Position = Line.begin(); Position != Line.end(); ++Position)  in isLineEmpty()  local
1054     if (!isBlankOrBreak(Position))  in isLineEmpty()
1354 wasEscaped(StringRef::iterator First, StringRef::iterator Position);
1359                        StringRef::iterator Position) {  in wasEscaped()  argument
1360   assert(Position - 1 >= First);  in wasEscaped()
1361   StringRef::iterator I = Position - 1;  in wasEscaped()
1367   return (Position - 1 - I) % 2 == 1;  in wasEscaped()