source: trunk/src/ash/mktokens@ 2009

#!/bin/sh -
#       $NetBSD: mktokens,v 1.10 2003/08/22 11:22:23 agc Exp $
#
# Copyright (c) 1991, 1993
#       The Regents of the University of California.  All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Kenneth Almquist.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#       @(#)mktokens    8.1 (Berkeley) 5/31/93

# The following is a list of tokens.  The second column is nonzero if the
# token marks the end of a list.  The third column is the name to print in
# error messages.

if [ -z "$TMPDIR" ]; then
    TMPDIR="/tmp"
    export TMPDIR
fi
F="$TMPDIR/ka$$"
echo $F
cat > $F <<\!
TEOF    1       end of file
TNL     0       newline
TSEMI   0       ";"
TBACKGND 0      "&"
TAND    0       "&&"
TOR     0       "||"
TPIPE   0       "|"
TLP     0       "("
TRP     1       ")"
TENDCASE 1      ";;"
TENDBQUOTE 1    "`"
TREDIR  0       redirection
TWORD   0       word
TIF     0       "if"
TTHEN   1       "then"
TELSE   1       "else"
TELIF   1       "elif"
TFI     1       "fi"
TWHILE  0       "while"
TUNTIL  0       "until"
TFOR    0       "for"
TDO     1       "do"
TDONE   1       "done"
TBEGIN  0       "{"
TEND    1       "}"
TCASE   0       "case"
TESAC   1       "esac"
TNOT    0       "!"
!
nl=`wc -l $F`
exec > token.h
awk '{print "#define " $1 " " NR-1}' $F
echo '
/* Array indicating which tokens mark the end of a list */
const char tokendlist[] = {'
awk '{print "\t" $2 ","}' $F
echo '};

const char *const tokname[] = {'
sed -e 's/"/\\"/g' \
    -e 's/[^     ]*[     ][      ]*[^    ]*[     ][      ]*\(.*\)/      "\1",/' \
    $F
echo '};
'
sed 's/"//g' $F | awk '
/TIF/{print "#define KWDOFFSET " NR-1; print "";
      print "const char *const parsekwd[] = {"}
/TIF/,/neverfound/{print "      \"" $3 "\","}'
echo '  0
};'

rm $F