575         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF16()  local
576         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF16()
580         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF16()
587         switch (extraBytesToRead) {  in ConvertUTF8toUTF16()
595         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF16()
598             source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
605                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF16()
617                 source -= (extraBytesToRead+1); /* return to the start */  in ConvertUTF8toUTF16()
625                 source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
649         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF32Impl()  local
650         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF32Impl()
672         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF32Impl()
691         switch (extraBytesToRead) {  in ConvertUTF8toUTF32Impl()
699         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF32Impl()
708                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF32Impl()