Blame lang/cl/mkerrcodes.awk

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# mkerrcodes.awk
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# Copyright (C) 2004, 2005, 2006 g10 Code GmbH
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# 
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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#
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# As a special exception, g10 Code GmbH gives unlimited permission to
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# copy, distribute and modify the lisp source files that are the output
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# of mkerrcodes.awk.  You need not follow the terms of the GNU General
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# Public License when using or distributing such scripts, even though
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# portions of the text of mkerrcodes.awk appear in them.  The GNU
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# General Public License (GPL) does govern all other use of the material
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# that constitutes the mkerrcodes.awk program.
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#
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# Certain portions of the mkerrcodes.awk source text are designed to be
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# copied (in certain cases, depending on the input) into the output of
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# mkerrcodes.awk.  We call these the "data" portions.  The rest of the
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# mkerrcodes.awk source text consists of comments plus executable code
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# that decides which of the data portions to output in any given case.
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# We call these comments and executable code the "non-data" portions.
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# mkerrcodes.awk never copies any of the non-data portions into its output.
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#
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# This special exception to the GPL applies to versions of mkerrcodes.awk
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# released by g10 Code GmbH.  When you make and distribute a modified version
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# of mkerrcodes.awk, you may extend this special exception to the GPL to
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# apply to your modified version as well, *unless* your modified version
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# has the potential to copy into its output some of the text that was the
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# non-data portion of the version that you started with.  (In other words,
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# unless your change moves or copies text from the non-data portions to the
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# data portions.)  If your modification has such potential, you must delete
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# any notice of this special exception to the GPL from your modified version.
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# The input file is in the following format:
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# [CODE SYMBOL...]
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# @errnos@
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# [CODE SYMBOL...]
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#
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# The difference between the sections is how symbol is transformed.
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# The second section gets GPG_ERR_ prepended before processing.
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#
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# Comments (starting with # and ending at the end of the line) are removed,
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# as is trailing whitespace.
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BEGIN {
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  FS="[ \t]+";
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  print ";;;; Output of mkerrcodes.awk.  DO NOT EDIT.";
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  print "";
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  print ";;; Copyright (C) 2006 g10 Code GmbH";
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  print ";;;";
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  print ";;; This file is part of libgpg-error.";
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  print ";;;";
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  print ";;; libgpg-error is free software; you can redistribute it and/or";
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  print ";;; modify it under the terms of the GNU Lesser General Public License";
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  print ";;; as published by the Free Software Foundation; either version 2.1 of";
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  print ";;; the License, or (at your option) any later version.";
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  print ";;;";
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  print ";;; libgpg-error is distributed in the hope that it will be useful, but";
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  print ";;; WITHOUT ANY WARRANTY; without even the implied warranty of";
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  print ";;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU";
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  print ";;; Lesser General Public License for more details.";
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  print ";;;";
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  print ";;; You should have received a copy of the GNU Lesser General Public";
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  print ";;; License along with libgpg-error; if not, write to the Free";
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  print ";;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA";
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  print ";;; 02111-1307, USA.";
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  print "";
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  header = 1;
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  errnos = 0;
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}
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/^#/ { next; }
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header {
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  if (errnos)
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    {
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      if ($1 ~ /^[0123456789]+$/)
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	{
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	  header = 0;
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	  print "";
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	  print "  ;; The following error codes map system errors.";
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	}
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    }
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  else
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    {
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      if ($1 ~ /^[0123456789]+$/)
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	{
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	  header = 0;
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	  print "(in-package :gpg-error)";
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	  print "";
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	  print ";;; The error code type gpg-err-code-t.";
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	  print "";
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	  print ";;; This is used for system error codes.";
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	  print "(defconstant +gpg-err-system-error+ (ash 1 15))";
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	  print "";
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	  print ";;; This is one more than the largest allowed entry.";
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	  print "(defconstant +gpg-err-code-dim+ 65536)";
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	  print "";
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	  print ";;; A helper macro to have the keyword values evaluated.";
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	  print "(defmacro defcenum-eval (type doc &rest vals)";
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	  print "  `(defcenum ,type ,doc";
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	  print "    ,@(loop for v in vals";
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	  print "            collect `(,(first v) ,(eval (second v))))))";
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	  print "";
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	  print "(defcenum-eval gpg-err-code-t";
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	  print "    \"The GPG error code type.\"";
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	}
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    }
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}
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!header {
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  sub (/\#.+/, "");
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  sub (/[ 	]+$/, ""); # Strip trailing space and tab characters.
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  if (/^$/)
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    next;
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  # The following can happen for GPG_ERR_CODE_DIM.
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  if ($1 == "")
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    next;
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  if (/^@errnos@$/)
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    {
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      header = 1;
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      errnos = 1;
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      next;
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    }
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  $2 = tolower($2);
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  gsub ("_", "-", $2);
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  if (errnos)
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    print "  (:gpg-err-" $2 " (logior +gpg-err-system-error+ " $1 "))";
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  else
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    print "  (:" $2 " " $1 ")";
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}
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END {
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  # I am very sorry to break lisp coding style here.
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  print ")";
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}