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30 lines
797 B
Bash
30 lines
797 B
Bash
#!/bin/sh
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#
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# remove all the #if's from a source file
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#
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# $dotat: things/unifdefall.sh,v 1.9 2002/09/24 19:43:57 fanf2 Exp $
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# $FreeBSD$
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set -e
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basename=`basename $0`
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tmp=`mktemp -d -t $basename` || exit 2
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unifdef -s "$@" | sort | uniq > $tmp/ctrl
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cpp -dM "$@" | sort |
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sed -Ee 's/^#define[ ]+(.*[^ ])[ ]*$/\1/' > $tmp/hashdefs
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sed -Ee 's/^([A-Za-z0-9_]+).*$/\1/' $tmp/hashdefs > $tmp/alldef
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comm -23 $tmp/ctrl $tmp/alldef > $tmp/undef
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comm -12 $tmp/ctrl $tmp/alldef > $tmp/def
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echo unifdef -k \\ > $tmp/cmd
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sed -Ee 's/^(.*)$/-U\1 \\/' $tmp/undef >> $tmp/cmd
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while read sym
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do sed -Ee '/^('"$sym"')([(][^)]*[)])?([ ]+(.*))?$/!d;s//-D\1=\4/' $tmp/hashdefs
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done < $tmp/def |
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sed -Ee 's/\\/\\\\/g;s/"/\\"/g;s/^/"/;s/$/" \\/' >> $tmp/cmd
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echo '"$@"' >> $tmp/cmd
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sh $tmp/cmd "$@"
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rm -r $tmp
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