| 1 | |
| 2 | { if(begin != 1) |
| 3 | { if($1 != "") flags[$1] = "on" |
| 4 | if($2 != "") flags[$2] = "on" |
| 5 | if($3 != "") flags[$3] = "on" |
| 6 | if($4 != "") flags[$4] = "on" |
| 7 | if($5 != "") flags[$5] = "on" |
| 8 | skip = 0 |
| 9 | begin = 1 |
| 10 | next } } |
| 11 | /#ifdef/||/#elseif/ { if (flags[$2] != "") skip = -1; else skip = 1 |
| 12 | print $0 |
| 13 | next } |
| 14 | /#ifndef/ { if (flags[$2] != "") skip = 1; else skip = -1 |
| 15 | print $0 |
| 16 | next } |
| 17 | /#else/ { skip = -skip; print $0; next} |
| 18 | /#endif/ { skip = 0 ; print $0; next} |
| 19 | { if(skip > 0) |
| 20 | { if(substr($0,1,1) != "#") print "#" $0; else print $0; |
| 21 | next }} |
| 22 | { if(skip < 0) |
| 23 | { if(substr($0,1,1) == "#") |
| 24 | print substr($0,2,length($0)-1) |
| 25 | else print $0 |
| 26 | next }} |
| 27 | { print $0 } |
| 28 | |
| 29 | |