maketags.sh

   1 #!/bin/sh
   2
   3 export LC_ALL=C
   4 MUSL=${MUSL:-../musl}
   5 MUSL_PREFIX=${MUSL_PREFIX:-$MUSL}
   6
   7 (
   8         cd $MUSL_PREFIX/include
   9         ctags -f /tmp/musl.tags -R -n -u --language-force=c --c-kinds=pxdstuve --fields=k --exclude='*.sh' .
  10
  11         # fix wchar_t bug of ctags
  12         awk '/typedef.* wchar_t/{print "wchar_t\tbits/alltypes.h\t" NR ";\"\tt"}' bits/alltypes.h >>/tmp/musl.tags
  13 )
  14
  15 awk -v inc=$MUSL_PREFIX/include/ '
  16 BEGIN {
  17         FS="\t"
  18 }
  19 function proto(t,h,n) {
  20         cmd = "awk '\''NR==" n
  21         if (t == "p")
  22                 cmd = cmd "{s=$0; if(s!~/;/){getline; s=s \" \" $0} print s; exit}"
  23         else if (t == "d")
  24                 cmd = cmd "{s=$0; while(gsub(/\\\\$/,\"\",s)){getline; s=s $0} print s; exit}"
  25         else
  26                 return ""
  27         cmd = cmd "'\'' " inc h
  28         cmd | getline s
  29         close(cmd)
  30         gsub(/\t/, " ", s)
  31         gsub(/ +/, " ", s)
  32         gsub(/ \(/, "(", s)
  33         return s
  34 }
  35 /^[^!]/ {
  36         gsub(/[^0-9]*/,"",$3)
  37         if ($4 == "s")
  38                 $1 = "struct " $1
  39         if ($4 == "u")
  40                 $1 = "union " $1
  41         print $1 "\t" $2 "\t" $4 "\t" $3 "\t" proto($4,$2,$3)
  42 }' /tmp/musl.tags |sort >data/musl.tags
  43 rm -f /tmp/musl.tags