#!/bin/sh -
#       $NetBSD: makelist,v 1.29 2016/05/09 21:46:56 christos Exp $
#
# Copyright (c) 1992, 1993
#       The Regents of the University of California.  All rights reserved.
#
# This code is derived from software contributed to Berkeley by
# Christos Zoulas of Cornell University.
#
# 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.
#
#       @(#)makelist    5.3 (Berkeley) 6/4/93

# makelist.sh: Automatically generate header files...

AWK=awk
USAGE="Usage: $0 -h|-fc|-fh|-bh <filenames>"

if [ "x$1" = "x" ]
then
   echo $USAGE 1>&2
   exit 1
fi

FLAG="$1"
shift

FILES="$@"

case $FLAG in

-h)
   set - `echo $FILES | sed -e 's/\\./_/g'`
   hdr="_h_`basename $1`"
   cat $FILES | $AWK '
       BEGIN {
           printf("/* Automatically generated file, do not edit */\n");
           printf("#ifndef %s\n#define %s\n", "'$hdr'", "'$hdr'");
       }
       /\(\):/ {
           pr = substr($2, 1, 2);
           if (pr == "vi" || pr == "em" || pr == "ed") {
               name = substr($2, 1, length($2) - 3);
#
# XXX:  need a space between name and prototype so that -fc and -fh
#       parsing is much easier
#
               printf("libedit_private el_action_t\t%s (EditLine *, wint_t);\n",
                   name);
           }
       }
       END {
           printf("#endif /* %s */\n", "'$hdr'");
       }'
       ;;

#       generate help.h from various .c files
#
-bh)
   cat $FILES | $AWK '
       BEGIN {
           printf("/* Automatically generated file, do not edit */\n");
           printf("static const struct el_bindings_t el_func_help[] = {\n");
           low = "abcdefghijklmnopqrstuvwxyz_";
           high = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_";
           for (i = 1; i <= length(low); i++)
               tr[substr(low, i, 1)] = substr(high, i, 1);
       }
       /\(\):/ {
           pr = substr($2, 1, 2);
           if (pr == "vi" || pr == "em" || pr == "ed") {
               name = substr($2, 1, length($2) - 3);
               uname = "";
               fname = "";
               for (i = 1; i <= length(name); i++) {
                   s = substr(name, i, 1);
                   uname = uname tr[s];
                   if (s == "_")
                       s = "-";
                   fname = fname s;
               }

               printf("    { %-30.30s %-30.30s\n","L\"" fname "\",", uname ",");
               ok = 1;
           }
       }
       /^ \*/ {
           if (ok) {
               printf("      L\"");
               for (i = 2; i < NF; i++)
                   printf("%s ", $i);
               printf("%s\" },\n", $i);
               ok = 0;
           }
       }
       END {
           printf("};\n");
       }'
       ;;

#       generate fcns.h from various .h files
#
-fh)
   cat $FILES | $AWK '/el_action_t/ { print $3 }' | \
   sort | tr '[:lower:]' '[:upper:]' | $AWK '
       BEGIN {
           printf("/* Automatically generated file, do not edit */\n");
           count = 0;
       }
       {
           printf("#define\t%-30.30s\t%3d\n", $1, count++);
       }
       END {
           printf("#define\t%-30.30s\t%3d\n", "EL_NUM_FCNS", count);
       }'
       ;;

#       generate func.h from various .h files
#
-fc)
   cat $FILES | $AWK '/el_action_t/ { print $3 }' | sort | $AWK '
       BEGIN {
           printf("/* Automatically generated file, do not edit */\n");
           printf("static const el_func_t el_func[] = {");
           maxlen = 80;
           needn = 1;
           len = 0;
       }
       {
           clen = 25 + 2;
           len += clen;
           if (len >= maxlen)
               needn = 1;
           if (needn) {
               printf("\n    ");
               needn = 0;
               len = 4 + clen;
           }
           s = $1 ",";
           printf("%-26.26s ", s);
       }
       END {
           printf("\n};\n");
       }'
       ;;

*)
   echo $USAGE 1>&2
   exit 1
   ;;

esac