30 lines
797 B
Bash
30 lines
797 B
Bash
#!/bin/sh
|
|
#
|
|
# remove all the #if's from a source file
|
|
#
|
|
# $dotat: things/unifdefall.sh,v 1.9 2002/09/24 19:43:57 fanf2 Exp $
|
|
# $FreeBSD$
|
|
|
|
set -e
|
|
|
|
basename=`basename $0`
|
|
tmp=`mktemp -d -t $basename` || exit 2
|
|
|
|
unifdef -s "$@" | 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
|
|
|
|
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 $tmp/cmd "$@"
|
|
|
|
rm -r $tmp
|