one sed
solution, i just tested once, so first test some cases
[[bash_prompt$]]$ cat log; echo "########";sed -e 's/#define \([^ ]*\)[ ]*\([^ ]*\)/\1((byte)\2)/g' log
#define GENERIC_TYPE_METER_PULSE 0x30 /*Pulse Meter*/
#define SPECIFIC_TYPE_NOT_USED 0x00 /*Specific Device Class not used*/
#define MFG_ID_WAYNE_DALTON 0x0008 //Wayne Dalton
#define MFG_ID_WILSHINE_HOLDING_CO_LTD 0x012D //Wilshine Holding Co., Ltd
#define MFG_ID_WIDOM 0x0149 //wiDom
#define COMMAND_CLASS_ALARM 0x71
#define COMMAND_CLASS_ALARM_V2 0x71
#define COMMAND_CLASS_NOTIFICATION_V3 0x71
#define COMMAND_CLASS_NOTIFICATION_V4 0x71
########
GENERIC_TYPE_METER_PULSE((byte)0x30) /*Pulse Meter*/
SPECIFIC_TYPE_NOT_USED((byte)0x00) /*Specific Device Class not used*/
MFG_ID_WAYNE_DALTON((byte)0x0008) //Wayne Dalton
MFG_ID_WILSHINE_HOLDING_CO_LTD((byte)0x012D) //Wilshine Holding Co., Ltd
MFG_ID_WIDOM((byte)0x0149) //wiDom
COMMAND_CLASS_ALARM((byte)0x71)
COMMAND_CLASS_ALARM_V2((byte)0x71)
COMMAND_CLASS_NOTIFICATION_V3((byte)0x71)
COMMAND_CLASS_NOTIFICATION_V4((byte)0x71)
[[bash_prompt$]]$
for a proper format, ( in my sense, it is aligning the comment ) , i was not able to come up with any sed
solution, ( i am interested in one ) here is an awk
solution ( looks like a little clumsy, but self explanatory..
[[bash_prompt$]]$ awk '{str=sprintf("%s((byte)%s)", $2, $3);len=length(str); \
> for(i=50;i>len;i--) str=sprintf("%s ", str); print str (NF>3?substr($0,index($0,$4)):"")}' log
GENERIC_TYPE_METER_PULSE((byte)0x30) /*Pulse Meter*/
SPECIFIC_TYPE_NOT_USED((byte)0x00) /*Specific Device Class not used*/
MFG_ID_WAYNE_DALTON((byte)0x0008) //Wayne Dalton
MFG_ID_WILSHINE_HOLDING_CO_LTD((byte)0x012D) //Wilshine Holding Co., Ltd
MFG_ID_WIDOM((byte)0x0149) //wiDom
COMMAND_CLASS_ALARM((byte)0x71)
COMMAND_CLASS_ALARM_V2((byte)0x71)
COMMAND_CLASS_NOTIFICATION_V3((byte)0x71)
COMMAND_CLASS_NOTIFICATION_V4((byte)0x71)