add offsets, new fields

[unix-history] / usr / src / usr.bin / ex / makeoptions

#
# Copyright (c) 1980 Regents of the University of California.
# All rights reserved.  The Berkeley software License Agreement
# specifies the terms and conditions for redistribution.
#
#       @(#)makeoptions 6.4 (Berkeley) %G%
#

#
# remake options -- this isn't necessary unless you add/delete options
#
onintr ifintr
cat < ex_data.c > /tmp/$$.c
ex - /tmp/$$.c <<'%'
       g/^#include/d
       w
       q
'%'
cc -E $* /tmp/$$.c >/tmp/foo.c
ex - /tmp/foo.c <<'X'
       " delete all preprocessor output (# line, etc)
       g/^# /d
       set sh=/bin/csh
       " delete junk (all but data lines)
       g/^[    ]*$/d
       1,/option options/d
       /}/-1,$d
       " get rid of all of line but option name
       1,$s/[  ]*"//
       1,$s/".*//
       " begin kludge since options start at 0 but cat -n starts at 1
       "              move first to end and later move it back and renumber
       1m$
       %!cat -n
       $t0
       1s/[0-9][0-9]*/0/
       " end kludge
       " make #define lines
       1,$s/[  ]*\([0-9][0-9]*\)[      ]*\(.*\)/#define        \U\2\L  \1/
       " filter through expand to make it line up nice
       %!expand -8\,24
       " blank line and number of options.
       $i

.
       $s/e[   ].*[    ]/e     NOPTS   /
       0a
       /*  sccs id   @(#)  ex_vars.h  @(#)makeoptions  6.4 %G%  */
.
       w! ex_vars.h
       q
'X'
ifintr:
rm /tmp/foo.c