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#!/bin/sh

# Usage: gentvals.sh target type dir files pattern cpp

target=$1

type=$2

dir=$3

# FIXME: Would be nice to process #include's in these files.

files=$4

pattern=$5

cpp=$6

# FIXME: need trap to remove tmp files.

rm -f tmpvals.list tmpvals.uniq

for f in $files

do

        if test -f $dir/$f ; then

                grep "#define[  ]$pattern" $dir/$f | sed -e "s/^.*#define[      ]\($pattern\)[  ]*\([^  ][^     ]*\).*$/\1/" >> tmpvals.list

        fi

done

sort <tmpvals.list | uniq >tmpvals.uniq

rm -f tmpvals.h

for f in $files

do

        if test -f $dir/$f ; then

                echo "#include <$f>" >>tmpvals.h

        fi

done

cat tmpvals.uniq |

while read sym

do

        echo "#ifdef $sym" >>tmpvals.h

        echo 'DEFVAL { "'$sym'", '$sym ' },' >>tmpvals.h

        echo "#endif" >>tmpvals.h

done

if test -z "$target"

then

        echo "#ifdef ${type}_defs"

else

        echo "#ifdef NL_TARGET_$target"

        echo "#ifdef ${type}_defs"

fi

for f in $files

do

        if test -f $dir/$f ; then

                echo "/* from $f */"

        fi

done

if test -z "$target"

then

        echo "/* begin $type target macros */"

else

        echo "/* begin $target $type target macros */"

fi

$cpp -I$dir tmpvals.h | grep DEFVAL | sed -e 's/DEFVAL//' -e 's/  / /'

if test -z "$target"

then

        echo "/* end $type target macros */"

        echo "#endif"

else

        echo "/* end $target $type target macros */"

        echo "#endif"

        echo "#endif"

fi

rm -f tmpvals.list tmpvals.uniq tmpvals.h