#! /usr/bin/env bash

if [ "x$1" = "x-v" ]; then

  verbose=yes

else

  verbose=no

fi

cd ..

for d in lib libasm libdw libdwfl libebl libelf backends src debuginfod; do

  tmp=$d-data

  cd $d

  unused=0

  unused_files=

  for f in *.gcno; do

    base="$(basename $f .gcno)"

    if [ -f "$base.c" ]; then fc="$base.c"; else fc="$base.cxx"; fi

    gcda="$base.gcda"

    if [ -f "$gcda" ]; then

      gcov -n -a "$fc" |

      gawk "/$d.$fc/ { getline; co=gensub(/.*:(.*)% .*/, \"\\\\1\", \"g\"); co=co+0.0; li=\$4+0; printf \"%-35s  %6.2f %5d\n\", \"$d/$fc\", co, li } " >> $tmp

    else

      unused=$(($unused + 1))

      unused_files="$unused_files $fc"

    fi

  done

  if [ -f $tmp ]; then

    gawk "{ copct=\$2; co=(\$3*copct)/100; toco+=(co+0); toli += (\$3+0); } END { printf \"%-12s %6.2f%% covered       unused files: %3d\n\", \"$d\", (toco*100)/toli, \"$unused\" }" $tmp

    rm -f $tmp

  else

    printf "%-12s   0.00%% covered       unused files: %3d\n" "$d" $unused

  fi

  if [ $verbose = yes ]; then

    for f in $unused_files; do

      printf '%-42s%s\n' '' $f

    done

  fi

  cd ..

done