diff options
Diffstat (limited to 'usr.bin/unifdef/unifdefall.sh')
| -rw-r--r-- | usr.bin/unifdef/unifdefall.sh | 79 |
1 files changed, 60 insertions, 19 deletions
diff --git a/usr.bin/unifdef/unifdefall.sh b/usr.bin/unifdef/unifdefall.sh index bcba08c..179fc93 100644 --- a/usr.bin/unifdef/unifdefall.sh +++ b/usr.bin/unifdef/unifdefall.sh @@ -1,29 +1,70 @@ #!/bin/sh # -# remove all the #if's from a source file +# unifdefall: remove all the #if's from a source file # -# $dotat: things/unifdefall.sh,v 1.9 2002/09/24 19:43:57 fanf2 Exp $ +# Copyright (c) 2002 - 2010 Tony Finch <dot@dotat.at> +# Copyright (c) 2009 - 2010 Jonathan Nieder <jrnieder@gmail.com> +# +# 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. +# +# THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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. +# +# $dotat: unifdef/unifdefall.sh,v 1.27 2010/01/19 16:09:50 fanf2 Exp $ # $FreeBSD$ set -e -basename=`basename $0` -tmp=`mktemp -d -t $basename` || exit 2 +unifdef="$(dirname "$0")/unifdef" +if [ ! -e "$unifdef" ] +then + unifdef=unifdef +fi +# export to the final shell command +export unifdef -unifdef -s "$@" | sort | uniq > $tmp/ctrl -cpp -dM "$@" | sort | - sed -Ee 's/^#define[ ]+(.*[^ ])[ ]*$/\1/' > $tmp/hashdefs -sed -Ee 's/^([A-Za-z0-9_]+).*$/\1/' $tmp/hashdefs > $tmp/alldef -comm -23 $tmp/ctrl $tmp/alldef > $tmp/undef -comm -12 $tmp/ctrl $tmp/alldef > $tmp/def +basename=$(basename "$0") +tmp=$(mktemp -d "${TMPDIR:-/tmp}/$basename.XXXXXXXXXX") || exit 2 +trap 'rm -r "$tmp" || exit 1' EXIT -echo unifdef -k \\ > $tmp/cmd -sed -Ee 's/^(.*)$/-U\1 \\/' $tmp/undef >> $tmp/cmd -while read sym -do sed -Ee '/^('"$sym"')([(][^)]*[)])?([ ]+(.*))?$/!d;s//-D\1=\4/' $tmp/hashdefs -done < $tmp/def | - sed -Ee 's/\\/\\\\/g;s/"/\\"/g;s/^/"/;s/$/" \\/' >> $tmp/cmd -echo '"$@"' >> $tmp/cmd -sh $tmp/cmd "$@" +export LC_ALL=C -rm -r $tmp +# list of all controlling macros +"$unifdef" -s "$@" | sort | uniq >"$tmp/ctrl" +# list of all macro definitions +cpp -dM "$@" | sort | sed 's/^#define //' >"$tmp/hashdefs" +# list of defined macro names +sed 's/[^A-Za-z0-9_].*$//' <"$tmp/hashdefs" >"$tmp/alldef" +# list of undefined and defined controlling macros +comm -23 "$tmp/ctrl" "$tmp/alldef" >"$tmp/undef" +comm -12 "$tmp/ctrl" "$tmp/alldef" >"$tmp/def" +# create a sed script that extracts the controlling macro definitions +# and converts them to unifdef command-line arguments +sed 's|.*|s/^&\\(([^)]*)\\)\\{0,1\\} /-D&=/p|' <"$tmp/def" >"$tmp/script" +# create the final unifdef command +{ echo '"$unifdef" -k \' + # convert the controlling undefined macros to -U arguments + sed 's/.*/-U& \\/' <"$tmp/undef" + # convert the controlling defined macros to quoted -D arguments + sed -nf "$tmp/script" <"$tmp/hashdefs" | + sed "s/'/'\\\\''/g;s/.*/'&' \\\\/" + echo '"$@"' +} >"$tmp/cmd" +# run the command we just created +sh "$tmp/cmd" "$@" |
