cpp.cfg

   1 alias _dont        ""
   2 alias _do          "$*"
   3
   4 set _ifstack       ""
   5 alias #            "$_ifstack $*"
   6
   7 alias #ifeq        "set \"_ifnew_$1\" _dont; set \"_ifnew_$2\" _do; _ifeq_2 \"_ifnew_$1\""
   8 alias #ifneq       "set \"_ifnew_$1\" _do; set \"_ifnew_$2\" _dont; _ifeq_2 \"_ifnew_$1\""
   9 alias _ifeq_2      "set _ifstack \"${$1} $_ifstack\""
  10 alias #else        "_else_2$_ifstack"
  11 alias _else_2_do   "set _ifstack \"_dont ${* q?}\""
  12 alias _else_2_dont "set _ifstack \"_do ${* q?}\""
  13 alias #endif       "_endif_2 $_ifstack"
  14 alias _endif_2     "set _ifstack \"${2- q?}\""
  15
  16 alias #ifdef       "#ifneq \"${$1 ?}\" \"\""
  17 alias #ifndef      "#ifeq \"${$1 ?}\" \"\""
  18
  19 alias #include     "# exec $*"
  20 alias #define      "# set $*"
  21 alias #undef       "# unset $*"
  22 alias #error       "# echo ERROR: $*; # quit"
  23 alias #warning     "# echo WARNING: $*"
  24
  25 // EXAMPLE:
  26 //      #ifeq "$a" "$b"
  27 //      #ifeq "$a" "$c"
  28 //      #       echo "a == b == c"
  29 //      #else
  30 //      #       echo "a == b != c"
  31 //      #endif
  32 //      #else
  33 //      #ifeq "$a" "$c"
  34 //      #       echo "a == c != b"
  35 //      #else
  36 //      #ifeq "$b" "$c"
  37 //      #       echo "b == c != a"
  38 //      #else
  39 //      #       echo "a != b != c != a"
  40 //      #endif
  41 //      #endif
  42 //      #endif