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View File Name : usage.tlib

[=  AutoGen5 Template  -*- Mode: shell-script -*-

 help-text

# This file is part of AutoGen.
# AutoGen Copyright (C) 1992-2013 by Bruce Korb - all rights reserved
#
# AutoGen is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# AutoGen is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program.  If not, see <http://www.gnu.org/licenses/>.

=][= INCLUDE "tpl-config.tlib" =][=

 ;; This template is designed to emit help text from the current set
 ;; of option definitions.
 ;;

(shell "CLexe=`echo ${AGexe} | sed 's@/autogen@/columns@'`
       test -x \"${CLexe}\" || CLexe=`which columns`")


 (make-tmp-dir)
 (out-push-new (shellf "echo ${tmp_dir}/%s.def" (get "prog-name")))
 (define emit-def (lambda (vname)
   (if (exist? vname)
       (sprintf "\n%s = %s;" vname (kr-string (get vname))) ) ))
=]
AutoGen Definitions options.tpl;
no-libopts;
no-xlate = anything;
[=

FOR var IN  prog-name  prog-title  argument
            environrc  export      homerc         include
            long-opts  rcfile      version        detail
            explain    package     preserve-case  prog-desc
            opts-ptr   gnu-usage   reorder-args   usage-opt

            version-value   help-value  more-help-value
            save-opts-value usage-value load-opts-value
  =][=
  (emit-def (get "var"))    =][=
ENDFOR var IN ....          =][=

IF (exist? "config-header") =]
config-header = '[= prog-name =]-config.h';[=
ENDIF                       =][=

FOR copyright               =]
copyright = {[=

  FOR var IN  date owner type text author eaddr
    =][=
    (emit-def (get "var"))  =][=
  ENDFOR var IN ....        =]
};[=
ENDFOR copyright            =]

main = { main-type = main; };
[=

FOR flag

=]
flag = {[=

  FOR var IN name descrip value max min must-set enable disable enabled
             ifdef ifndef no-preset settable equivalence documentation
             immediate immed-disable also
             arg-type arg-optional arg-default default arg-range
             stack-arg unstack-arg
    =][=
    (emit-def (get "var"))  =][=
  ENDFOR var IN ....        =][=

  IF (exist? "keyword")     =]
    keyword = '[=    (join "', '" (stack "keyword")) =]';[=
  ENDIF  keyword exists     =][=

  IF (exist? "flags-must")  =]
    flags-must = '[= (join "', '" (stack "flags-must")) =]';[=
  ENDIF  flags-must exists  =][=

  IF (exist? "flags-cant")  =]
    flags-cant = '[= (join "', '" (stack "flags-cant")) =]';[=
  ENDIF  flags-cant exists  =]
};[=

ENDFOR flag                 =][=

(out-pop)
(out-push-new)             \=][=
(shell
  "echo export tmp_dir=\\'$tmp_dir\\'\n"
  "echo export top_builddir=\\'$top_builddir\\'\n"
  "echo export CFLAGS=\\'$CFLAGS\\'\n"
  "echo export CLexe=\\'$CLexe\\'\n" )=]
save_dir=`pwd`
# redirect stdout.  We see this IFF there is a problem
#
redirect_log=${tmp_dir}/redirected.log
exec 8>&1 9>&2 1> ${redirect_log} 2>&1
redirect_die() {
    exec 2>&9 1>&9 9>&- 8>&-
    sed 's/^/## /' ${redirect_log}
    die "$@"
}

inc_list="-I${PWD} -I[=(. inc-dir)=]"
cfg_ldflags="[=(. libs)=]"
cfg_cflags=${CFLAGS}
exe=${tmp_dir}/[= prog-name =]

aocfg=`dirname ${AGexe}`/autoopts-config
test -x "$aocfg" || redirect_die "missing $ag"
ldflags="${cfg_ldflags} `${aocfg} ldflags`"
cfg_cflags="${cfg_cflags} `${aocfg} cflags`"

[= IF (exist? "config-header") \=]
inc_list="-I${tmp_dir} ${inc_list}"
while :
do
    h='[= config-header =]'
    test -f "$h" && break
    hdr=$h
    h=`basename "${hdr}"`
    test -f "$h" && break
    g=$h
    d=`pwd`

    while :
    do
        d=`dirname $d`
        test "X$d" = X/ && \
            redirect_die "cannot locate [= config-header =]"
        h="$d/$g"
        test -f "$h" && break
        h="$d/$hdr"
        test -f "$h" && break
    done
    break
done
cp "${h}" ${exe}-config.h
[= ENDIF \=]
flags="-DTEST_[= (string-upcase! (string->c-name! (get "prog-name")))
    =]_OPTS=1 ${inc_list} ${cfg_cflags}"
tpldir=`dirname [= (tpl-file)=]`
tpldir=`cd $tpldir >/dev/null && pwd`
cd ${tmp_dir}
mkdir ag-tmp
TMPDIR=${tmp_dir}/ag-tmp \
  ${AGexe} -L $tpldir [= prog-name =].def || \
    redirect_die "Cannot gen [= prog-name =]"
cd -
${CC:-cc} ${flags} -g -o TMPexe$$ ${exe}.c ${ldflags} || \
    redirect_die cannot compile ${exe}.c
mv -f TMPexe$$ ${exe}
xtr_set=`set -o | awk '/^xtrace/{ print $2 }'`
set +x
exec 2>/dev/null 1>&8
${exe} [=

  (if (== (get "usage-type") "short")
      (if (exist? "usage-opt")
          (if (exist? "long-opts")
              "--usage"
              (string-append "-" (get "usage-value" "u"))
          )
          "--give-me-short-usage 2>&1 | sed -e '/: illegal option /d'"
      )
      (if (exist? "long-opts")
          "--help"
          (string-append "-" (get "help-value" "?"))
   )  )   =] || \
  redirect_die "cannot obtain ${exe} help in ${tmp_dir}"
exec 1>&8 2>&9 8>&- 9>&-
test X$xtr_set = Xon && set -x
[=

(shell (out-pop #t))

=]
[=


# end of usage.tlib \=]