550         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF16()  local
551         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF16()
555         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF16()
562         switch (extraBytesToRead) {  in ConvertUTF8toUTF16()
570         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF16()
573             source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
580                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF16()
592                 source -= (extraBytesToRead+1); /* return to the start */  in ConvertUTF8toUTF16()
600                 source -= (extraBytesToRead+1); /* Back up source pointer! */  in ConvertUTF8toUTF16()
624         unsigned short extraBytesToRead = trailingBytesForUTF8[*source];  in ConvertUTF8toUTF32Impl()  local
625         if (extraBytesToRead >= sourceEnd - source) {  in ConvertUTF8toUTF32Impl()
647         if (!isLegalUTF8(source, extraBytesToRead+1)) {  in ConvertUTF8toUTF32Impl()
666         switch (extraBytesToRead) {  in ConvertUTF8toUTF32Impl()
674         ch -= offsetsFromUTF8[extraBytesToRead];  in ConvertUTF8toUTF32Impl()
683                     source -= (extraBytesToRead+1); /* return to the illegal value itself */  in ConvertUTF8toUTF32Impl()