gentab.sh revision 3f54fd611f536639ec30dd53c48e5ec1897cc7d9
########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1986-2011 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# Glenn Fowler <gsf@research.att.com> #
# #
########################################################################
:
# Glenn Fowler
# AT&T Bell Laboratories
#
# @(#)gentab (gsf@research.att.com) 07/17/94
#
# C table generator
#
# %flags [ prefix=<prefix> ] [ index=<index> ] [ init=<init> ]
#
# %keyword <name> [ prefix=<prefix> ] [ index=<index> ] [ init=<init> ] [ first=<id> ] [ last=<id> ]
#
# %sequence [ prefix=<prefix> ] [ index=<index> ] [ init=<init> ]
#
case `(typeset -u s=a n=0; ((n=n+1)); print $s$n) 2>/dev/null` in
A1) shell=ksh
typeset -u ID
typeset -i counter err_line
;;
*) shell=bsh
;;
esac
command=$0
counter=0
define=1
err_line=0
type=""
index=""
first=""
last=""
table=1
while :
do case $1 in
-d) table=0 ;;
-t) define=0 ;;
*) break ;;
esac
shift
done
case $1 in
"") err_file=""
;;
*) exec <$1
err_file="\"$1\", "
;;
esac
while read line
do case $shell in
ksh) ((err_line=err_line+1)) ;;
*) err_line=`expr $err_line + 1` ;;
esac
set '' $line
shift
case $1 in
[#]*) echo "/*"
while :
do case $1 in
[#]*) shift
echo " * $*"
read line
set '' $line
shift
;;
*) break
;;
esac
done
echo " */"
echo
;;
esac
eval set '""' $line
shift
case $1 in
"") ;;
%flags|%keywords|%sequence)
case $define:$last in
1:?*) case $shell in
ksh) ((n=counter-1)) ;;
*) n=`expr $counter - 1` ;;
esac
echo "#define $prefix$last $n"
;;
esac
case $type in
%flags|%sequence)
if test $define = 1
then echo
fi
;;
%keywords)
if test $table = 1
then echo " 0, 0"
echo "};"
echo
elif test $define = 1
then echo
fi
;;
esac
case $index in
?*) eval $index=$counter ;;
esac
type=$1
shift
name=""
prefix=""
index=""
init=""
first=""
last=""
case $type in
%keywords)
case $1 in
"") echo "$command: ${err_file}line $err_line: $type table name omitted" >&2
exit 1
;;
esac
name=$1
shift
if test $table = 1
then echo "$name"'[] ='
echo "{"
fi
;;
esac
eval "$@"
case $init in
"") case $type in
%flags|%sequence)
init=0
;;
*) init=1
;;
esac
;;
esac
case $index in
"") counter=$init
;;
*) eval value=\$$index
case $value in
"") counter=$init ;;
[0123456789]*) counter=$value ;;
esac
;;
esac
case $define:$first in
1:?*) echo "#define $prefix$first $counter" ;;
esac
;;
%*) echo "$command: ${err_file}line $err_line: $1: unknown keyword" >&2
exit 1
;;
*) while :
do case $1 in
"") break
;;
*) case $shell in
ksh) ID=${1#[!abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_]} ;;
*) ID=`echo $1 | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | sed 's/^[^ABCDEFGHIJKLMNOPQRSTUVWXYZ_]//'` ;;
esac
case $type in
%flags) if test $define = 1
then case $counter in
32) echo "$command: ${err_file}line $err_line: warning: $1: too many flag bits" >&2 ;;
1[56789]|[23][0123456789]) long=L ;;
*) long= ;;
esac
echo "#define $prefix$ID (1$long<<$counter)"
fi
;;
%keywords)
if test $define = 1
then echo "#define $prefix$ID $counter"
fi
if test $table = 1
then echo " \"$1\", $prefix$ID,"
fi
;;
%sequence)
if test $define = 1
then echo "#define $prefix$ID $counter"
fi
;;
esac
case $shell in
ksh) ((counter=counter+1)) ;;
*) counter=`expr $counter + 1` ;;
esac
shift
;;
esac
done
;;
esac
done
case $define:$last in
1:?*) case $shell in
ksh) ((n=counter-1)) ;;
*) n=`expr $counter - 1` ;;
esac
echo "#define $prefix$last $n"
;;
esac
case $type in
%keywords)
if test $table = 1
then echo " 0, 0"
echo "};"
fi
;;
esac
exit 0