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mktokens revision 1.4 
      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 
     39 # The following is a list of tokens.  The second column is nonzero if the
     40 # token marks the end of a list.  The third column is the name to print in
     41 # error messages.
     42 
     43 cat > /tmp/ka$$ <<\!
     44 TEOF	1	end of file
     45 TNL	0	newline
     46 TSEMI	0	";"
     47 TBACKGND 0	"&"
     48 TAND	0	"&&"
     49 TOR	0	"||"
     50 TPIPE	0	"|"
     51 TLP	0	"("
     52 TRP	1	")"
     53 TENDCASE 1	";;"
     54 TENDBQUOTE 1	"`"
     55 TREDIR	0	redirection
     56 TWORD	0	word
     57 TIF	0	"if"
     58 TTHEN	1	"then"
     59 TELSE	1	"else"
     60 TELIF	1	"elif"
     61 TFI	1	"fi"
     62 TWHILE	0	"while"
     63 TUNTIL	0	"until"
     64 TFOR	0	"for"
     65 TDO	1	"do"
     66 TDONE	1	"done"
     67 TBEGIN	0	"{"
     68 TEND	1	"}"
     69 TCASE	0	"case"
     70 TESAC	1	"esac"
     71 TNOT	0	"!"
     72 !
     73 nl=`wc -l /tmp/ka$$`
     74 exec > token.def
     75 awk '{print "#define " $1 " " NR-1}' /tmp/ka$$
     76 echo '
     77 /* Array indicating which tokens mark the end of a list */
     78 const char tokendlist[] = {'
     79 awk '{print "\t" $2 ","}' /tmp/ka$$
     80 echo '};
     81 
     82 char *const tokname[] = {'
     83 sed -e 's/"/\\"/g' \
     84     -e 's/[^	 ]*[	 ][	 ]*[^	 ]*[	 ][	 ]*\(.*\)/	"\1",/' \
     85     /tmp/ka$$
     86 echo '};
     87 '
     88 sed 's/"//g' /tmp/ka$$ | awk '
     89 /TIF/{print "#define KWDOFFSET " NR-1; print ""; print "char *const parsekwd[] = {"}
     90 /TIF/,/neverfound/{print "	\"" $3 "\","}'
     91 echo '	0
     92 };'
     93 
     94 rm /tmp/ka$$
     95