mktokens revision 127958 
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# 4. Neither the name of the University nor the names of its contributors
18#    may be used to endorse or promote products derived from this software
19#    without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31# SUCH DAMAGE.
32#
33#	@(#)mktokens	8.1 (Berkeley) 5/31/93
34# $FreeBSD: head/bin/sh/mktokens 127958 2004-04-06 20:06:54Z markm $
35
36# The following is a list of tokens.  The second column is nonzero if the
37# token marks the end of a list.  The third column is the name to print in
38# error messages.
39
40temp=`/usr/bin/mktemp -t ka`
41cat > $temp <<\!
42TEOF	1	end of file
43TNL	0	newline
44TSEMI	0	";"
45TBACKGND 0	"&"
46TAND	0	"&&"
47TOR	0	"||"
48TPIPE	0	"|"
49TLP	0	"("
50TRP	1	")"
51TENDCASE 1	";;"
52TENDBQUOTE 1	"`"
53TREDIR	0	redirection
54TWORD	0	word
55TIF	0	"if"
56TTHEN	1	"then"
57TELSE	1	"else"
58TELIF	1	"elif"
59TFI	1	"fi"
60TWHILE	0	"while"
61TUNTIL	0	"until"
62TFOR	0	"for"
63TDO	1	"do"
64TDONE	1	"done"
65TBEGIN	0	"{"
66TEND	1	"}"
67TCASE	0	"case"
68TESAC	1	"esac"
69TNOT	0	"!"
70!
71nl=`wc -l $temp`
72exec > token.h
73awk '{print "#define " $1 " " NR-1}' $temp
74echo '
75/* Array indicating which tokens mark the end of a list */
76const char tokendlist[] = {'
77awk '{print "\t" $2 ","}' $temp
78echo '};
79
80const char *const tokname[] = {'
81sed -e 's/"/\\"/g' \
82    -e 's/[^	 ]*[	 ][	 ]*[^	 ]*[	 ][	 ]*\(.*\)/	"\1",/' \
83    $temp
84echo '};
85'
86sed 's/"//g' $temp | awk '
87/TIF/{print "#define KWDOFFSET " NR-1; print ""; print "const char *const parsekwd[] = {"}
88/TIF/,/neverfound/{print "	\"" $3 "\","}'
89echo '	0
90};'
91
92rm $temp
93