blob: 5625eb970211d43a6f55ca2184ca1782c498f1e7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#!/bin/sh
#
# remove all the #if's from a source file
#
# $dotat: things/unifdefall.sh,v 1.8 2002/05/15 10:31:20 fanf 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 \\ > $tmp/cmd
sed -Ee 's/^(.*)$/-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
|
