date and time created 94/04/13 10:27:13 by eric

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

#!/bin/csh -f
#
# Copyright (c) 1991, 1993
#	The Regents of the University of California.  All rights reserved.
#
# %sccs.include.proprietary.sh%
#
#	@(#)makeoptions	8.1 (Berkeley) %G%
#

# remake options -- this isn't necessary unless you add/delete options
#
set TMP1=/tmp/_vi_vars1
set TMP2=/tmp/_vi_vars2
onintr ifintr

cat < $argv[1] > $TMP1
ex - $TMP1 <<'%'
	g/^#include/d
	w
	q
'%'
shift
cpp $* $TMP1 > $TMP2
ex - $TMP2 <<'X'
	" delete all preprocessor output (# line, etc)
	g/^# /d
	set sh=/bin/csh
	" delete junk (all but data lines)
	g/^[ 	]*$/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	8.1 %G%  */
.
	w! ex_vars.h
	q
'X'
ifintr:
rm $TMP1 $TMP2