usr.bin/yacc/yyfix.sh

   1 #!/bin/sh -
   2 #
   3 # Copyright (c) 1990 The Regents of the University of California.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 # 3. All advertising materials mentioning features or use of this software
  15 #    must display the following acknowledgement:
  16 #       This product includes software developed by the University of
  17 #       California, Berkeley and its contributors.
  18 # 4. 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 #       @(#)yyfix.sh    5.2 (Berkeley) 5/12/90
  35 #
  36 OLDYACC="yyexca yyact yypact yypgo yyr1 yyr2 yychk yydef"
  37 NEWYACC="yylhs yylen yydefred yydgoto yysindex yyrindex yygindex \
  38          yytable yycheck"
  39
  40 if [ $# -eq 0 ]; then
  41         echo "usage: $0 file [tables]" >&2
  42         exit 1
  43 fi
  44
  45 file=$1
  46 >$file
  47 shift
  48
  49 if [ $# -eq 0 ] ; then
  50         if grep yylhs y.tab.c > /dev/null ; then
  51                 if grep yyname y.tab.c > /dev/null ; then
  52                         NEWYACC="$NEWYACC yyname"
  53                 fi
  54                 if grep yyrule y.tab.c > /dev/null ; then
  55                         NEWYACC="$NEWYACC yyrule"
  56                 fi
  57                 set $NEWYACC
  58         else
  59                 set $OLDYACC
  60         fi
  61 fi
  62
  63 for i
  64 do
  65 ed - y.tab.c << END
  66 /^\(.*\)$i[     ]*\[]/s//extern \1 $i[];\\
  67 \1 $i []/
  68 .ka
  69 /}/kb
  70 'br $file
  71 'a,.w $file
  72 'a,.d
  73 w
  74 q
  75 END
  76 done