IABSD.fr/src/lib/libedit/makelist

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• Author : schwarze
  Date : 2016-05-06 13:12:52
  Hash : 13e01c7a
  Message : Replace the generated file "fcns.c" by a simpler header "func.h" included only in the one file needing it, "map.c". That allows to define el_action_t directly in "map.h", which in turn allows to stop including "fcns.h" from "el.h" and include it only in the modules needing it. Now we no longer autogenerate any C files. Feedback and OK martijn@. First version also proofread by Christian Heckendorf <mbie at ulmus dot me>.

• lib/libedit/makelist

• #!/bin/sh -
  #	$NetBSD: makelist,v 1.28 2016/04/18 17:01:19 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|-dh|-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($2) - 3);
  #
  # XXX:	need a space between name and prototype so that -dh and -fh
  #	parsing is much easier
  #
  		printf("protected el_action_t\t%s (EditLine *, wint_t);\n",
  		    name);
  	    }
  	}
  	END {
  	    printf("#endif /* %s */\n", "'$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 dispatch table func.h from various .h files
  #
  -dh)
      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