xref: /dragonfly/bin/sh/mktokens (revision b40e316c)
1#!/bin/sh -
2#
3# Copyright (c) 1991, 1993
4#	The Regents of the University of California.  All rights reserved.
5#
6# This code is derived from software contributed to Berkeley by
7# Kenneth Almquist.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. All advertising materials mentioning features or use of this software
18#    must display the following acknowledgement:
19#	This product includes software developed by the University of
20#	California, Berkeley and its contributors.
21# 4. Neither the name of the University nor the names of its contributors
22#    may be used to endorse or promote products derived from this software
23#    without specific prior written permission.
24#
25# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35# SUCH DAMAGE.
36#
37#	@(#)mktokens	8.1 (Berkeley) 5/31/93
38# $FreeBSD: src/bin/sh/mktokens,v 1.6.2.2 2002/07/19 04:38:51 tjr Exp $
39# $DragonFly: src/bin/sh/mktokens,v 1.3 2004/03/19 18:39:41 cpressey Exp $
40
41# The following is a list of tokens.  The second column is nonzero if the
42# token marks the end of a list.  The third column is the name to print in
43# error messages.
44
45temp=`/usr/bin/mktemp -t ka`
46cat > $temp <<\!
47TEOF	1	end of file
48TNL	0	newline
49TSEMI	0	";"
50TBACKGND 0	"&"
51TAND	0	"&&"
52TOR	0	"||"
53TPIPE	0	"|"
54TLP	0	"("
55TRP	1	")"
56TENDCASE 1	";;"
57TENDBQUOTE 1	"`"
58TREDIR	0	redirection
59TWORD	0	word
60TIF	0	"if"
61TTHEN	1	"then"
62TELSE	1	"else"
63TELIF	1	"elif"
64TFI	1	"fi"
65TWHILE	0	"while"
66TUNTIL	0	"until"
67TFOR	0	"for"
68TDO	1	"do"
69TDONE	1	"done"
70TBEGIN	0	"{"
71TEND	1	"}"
72TCASE	0	"case"
73TESAC	1	"esac"
74TNOT	0	"!"
75!
76nl=`wc -l $temp`
77exec > token.h
78awk '{print "#define " $1 " " NR-1}' $temp
79echo '
80/* Array indicating which tokens mark the end of a list */
81const char tokendlist[] = {'
82awk '{print "\t" $2 ","}' $temp
83echo '};
84
85const char *const tokname[] = {'
86sed -e 's/"/\\"/g' \
87    -e 's/[^	 ]*[	 ][	 ]*[^	 ]*[	 ][	 ]*\(.*\)/	"\1",/' \
88    $temp
89echo '};
90'
91sed 's/"//g' $temp | awk '
92/TIF/{print "#define KWDOFFSET " NR-1; print ""; print "const char *const parsekwd[] = {"}
93/TIF/,/neverfound/{print "	\"" $3 "\","}'
94echo '	NULL
95};'
96
97rm $temp
98