Filter comment lines from ASDL schemas.

Still less than 8800 lines of code.

scripts/count.sh

@@ -18,13 +18,28 @@ oil-core-files() {
    filter-py | grep -E -v '_gen.py$|test_lib.py'
}

asdl-filter() {
  python -c '
import sys
for line in sys.stdin:
  line = line.strip()
  if not line or line.startswith("--"):
    continue
  print line
'
}

cloc-oil-core() {
  oil-core-files | xargs cloc

  # cloc doesn't understand ASDL files.
  echo
  echo 'ASDL SCHEMAS'
  wc -l core/runtime.asdl osh/osh.asdl
  for name in osh/osh.asdl core/runtime.asdl; do
    #cat $name | asdl-filter 
    local count=$(cat $name | asdl-filter | wc -l)
    echo "$count  $name"
  done
}

# TODO: Sum up all the support material.  It's more than Oil itself!  Turn