generate-cmdlist.sh

   1 #!/bin/sh
   2
   3 die () {
   4         echo "$@" >&2
   5         exit 1
   6 }
   7
   8 command_list () {
   9         grep -v '^#' "$1"
  10 }
  11
  12 get_categories () {
  13         tr ' ' '\n'|
  14         grep -v '^$' |
  15         sort |
  16         uniq
  17 }
  18
  19 category_list () {
  20         command_list "$1" |
  21         cut -c 40- |
  22         get_categories
  23 }
  24
  25 get_synopsis () {
  26         sed -n '
  27                 /^NAME/,/'"$1"'/H
  28                 ${
  29                         x
  30                         s/.*'"$1"' - \(.*\)/N_("\1")/
  31                         p
  32                 }' "Documentation/$1.txt"
  33 }
  34
  35 define_categories () {
  36         echo
  37         echo "/* Command categories */"
  38         bit=0
  39         category_list "$1" |
  40         while read cat
  41         do
  42                 echo "#define CAT_$cat (1UL << $bit)"
  43                 bit=$(($bit+1))
  44         done
  45         test "$bit" -gt 32 && die "Urgh.. too many categories?"
  46 }
  47
  48 define_category_names () {
  49         echo
  50         echo "/* Category names */"
  51         echo "static const char *category_names[] = {"
  52         bit=0
  53         category_list "$1" |
  54         while read cat
  55         do
  56                 echo "  \"$cat\", /* (1UL << $bit) */"
  57                 bit=$(($bit+1))
  58         done
  59         echo "  NULL"
  60         echo "};"
  61 }
  62
  63 print_command_list () {
  64         echo "static struct cmdname_help command_list[] = {"
  65
  66         command_list "$1" |
  67         while read cmd rest
  68         do
  69                 printf "        { \"$cmd\", $(get_synopsis $cmd), 0"
  70                 for cat in $(echo "$rest" | get_categories)
  71                 do
  72                         printf " | CAT_$cat"
  73                 done
  74                 echo " },"
  75         done
  76         echo "};"
  77 }
  78
  79 print_config_list () {
  80         cat <<EOF
  81 static const char *config_name_list[] = {
  82 EOF
  83         grep -h '^[a-zA-Z].*\..*::$' Documentation/*config.txt |
  84         sed '/deprecated/d; s/::$//; s/,  */\n/g' |
  85         sort |
  86         while read line
  87         do
  88                 echo "  \"$line\","
  89         done
  90         cat <<EOF
  91         NULL,
  92 };
  93 EOF
  94 }
  95
  96 echo "/* Automatically generated by generate-cmdlist.sh */
  97 struct cmdname_help {
  98         const char *name;
  99         const char *help;
 100         uint32_t category;
 101 };
 102 "
 103 define_categories "$1"
 104 echo
 105 define_category_names "$1"
 106 echo
 107 print_command_list "$1"
 108 echo
 109 print_config_list