j=$1

echo "Marking $j"

# add line numbers and line-length header, outputs
# to the new '$j.annotated.txt' file
_lines $j

# add tab count footer
grep -cP '\t' $j | gawk '{ if ($1 > 0) print "[INDENTATION] File contained " $1 " tab characters. Indentation should be four spaces per indentation level.\n Each tab was converted to four spaces for style marking. This counts as one style violation." }' >>  $j.annotated.txt

# remove spaces from annotated source file
cat $j.annotated.txt | sed 's/\t/    /g' > temp
mv temp $j.annotated.txt

# remove spaces from source to be marked
cat $j | sed 's/\t/    /g' >  $j.spaces.c

# run actual style marking
vera++ -rule csse2310 $j.spaces.c 2> $j.veraout.txt

# merge the errors listed back into a new file $j.errors.c
_merge $j.annotated.txt $j.veraout.txt > $j.errors.c

# clean up temp files
rm $j.annotated.txt $j.spaces.c $j.veraout.txt