mktokens revision 1.14
1#!/bin/sh - 2# $NetBSD: mktokens,v 1.14 2017/07/26 03:46:54 kre Exp $ 3# 4# Copyright (c) 1991, 1993 5# The Regents of the University of California. All rights reserved. 6# 7# This code is derived from software contributed to Berkeley by 8# Kenneth Almquist. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 3. Neither the name of the University nor the names of its contributors 19# may be used to endorse or promote products derived from this software 20# without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32# SUCH DAMAGE. 33# 34# @(#)mktokens 8.1 (Berkeley) 5/31/93 35 36: ${AWK:=awk} 37: ${SED:=sed} 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# Note that all the keyword tokens come after TWORD, and all the others 44# come before it. We rely upon that relationship - keep it! 45 46cat > /tmp/ka$$ <<\! 47TEOF 1 end of file 48TNL 0 newline 49TSEMI 0 ";" 50TBACKGND 0 "&" 51TAND 0 "&&" 52TOR 0 "||" 53TPIPE 0 "|" 54TLP 0 "(" 55TRP 1 ")" 56TENDCASE 1 ";;" 57TCASEFALL 1 ";&" 58TENDBQUOTE 1 "`" 59TREDIR 0 redirection 60TWORD 0 word 61TIF 0 "if" 62TTHEN 1 "then" 63TELSE 1 "else" 64TELIF 1 "elif" 65TFI 1 "fi" 66TWHILE 0 "while" 67TUNTIL 0 "until" 68TFOR 0 "for" 69TDO 1 "do" 70TDONE 1 "done" 71TBEGIN 0 "{" 72TEND 1 "}" 73TCASE 0 "case" 74TESAC 1 "esac" 75TNOT 0 "!" 76! 77nl=`wc -l /tmp/ka$$` 78exec > token.h 79${AWK} '{print "#define " $1 " " NR-1}' /tmp/ka$$ 80echo ' 81/* Array indicating which tokens mark the end of a list */ 82const char tokendlist[] = {' 83${AWK} '{print "\t" $2 ","}' /tmp/ka$$ 84echo '}; 85 86const char *const tokname[] = {' 87${SED} -e 's/"/\\"/g' \ 88 -e 's/[^ ]*[ ][ ]*[^ ]*[ ][ ]*\(.*\)/ "\1",/' \ 89 /tmp/ka$$ 90echo '}; 91' 92${SED} 's/"//g' /tmp/ka$$ | ${AWK} ' 93/TWORD/{print "#define KWDOFFSET " NR; print ""; 94 print "const char *const parsekwd[] = {"} 95/TIF/,/neverfound/{print " \"" $3 "\","}' 96echo ' 0 97};' 98 99rm /tmp/ka$$ 100