xref: /original-bsd/bin/sh/mktokens (revision e59fb703)
1#!/bin/sh -
2#
3# Copyright (c) 1991 The Regents of the University of California.
4# All rights reserved.
5#
6# This code is derived from software contributed to Berkeley by
7# Kenneth Almquist.
8#
9# %sccs.include.redist.sh%
10#
11#	@(#)mktokens	5.1 (Berkeley) 03/07/91
12
13# The following is a list of tokens.  The second column is nonzero if the
14# token marks the end of a list.  The third column is the name to print in
15# error messages.
16
17cat > /tmp/ka$$ <<\!
18TEOF	1	end of file
19TNL	0	newline
20TSEMI	0	";"
21TBACKGND 0	"&"
22TAND	0	"&&"
23TOR	0	"||"
24TPIPE	0	"|"
25TLP	0	"("
26TRP	1	")"
27TENDCASE 1	";;"
28TENDBQUOTE 1	"`"
29TREDIR	0	redirection
30TWORD	0	word
31TIF	0	"if"
32TTHEN	1	"then"
33TELSE	1	"else"
34TELIF	1	"elif"
35TFI	1	"fi"
36TWHILE	0	"while"
37TUNTIL	0	"until"
38TFOR	0	"for"
39TDO	1	"do"
40TDONE	1	"done"
41TBEGIN	0	"{"
42TEND	1	"}"
43TCASE	0	"case"
44TESAC	1	"esac"
45!
46nl=`wc -l /tmp/ka$$`
47exec > token.def
48awk '{print "#define " $1 " " NR-1}' /tmp/ka$$
49echo '
50/* Array indicating which tokens mark the end of a list */
51const char tokendlist[] = {'
52awk '{print "\t" $2 ","}' /tmp/ka$$
53echo '};
54
55char *const tokname[] = {'
56sed -e 's/"/\\"/g' \
57    -e 's/[^	 ]*[	 ][	 ]*[^	 ]*[	 ][	 ]*\(.*\)/	"\1",/' \
58    /tmp/ka$$
59echo '};
60'
61sed 's/"//g' /tmp/ka$$ | awk '
62/TIF/{print "#define KWDOFFSET " NR-1; print ""; print "char *const parsekwd[] = {"}
63/TIF/,/neverfound/{print "	\"" $3 "\","}'
64echo '	0
65};'
66
67rm /tmp/ka$$
68