ocamlc-bs+dune.sh

#! /bin/sh

set -e
set -u

OCAMLC_PATH=$(dirname $0)
BSC="$OCAMLC_PATH/bsc"
NEW_ARGS=""

for ARG in "$@"
do
  case "$ARG" in
    *.ml)
      ML_INPUT=$ARG
      ;;
    *.ml-gen)
      NAME="$(basename $ARG .ml-gen)"
      TARGET="$(dirname $ARG)/$NAME"
      ML_INPUT="$TARGET.ml"

      cp "$TARGET.ml-gen" "$TARGET.ml"
      ARG="$TARGET.ml"
      ;;
    *) ;;
  esac

  if [ "$ARG" == "-g" ]; then
    ARG="-bs-g"
  fi

  if (
    [ "$ARG" != "-a" ] &&
    [ "$ARG" != "-opaque" ] &&
    [ "$ARG" != "-impl" ]
  ); then
    NEW_ARGS="$NEW_ARGS $ARG"
  fi
done

OUTPUT=$(echo $NEW_ARGS | grep -o -e "-o .*" | awk '{print $2}')
case "$OUTPUT" in
  *.cmo)
    NAME="$(basename $OUTPUT .cmo)"
    TARGET="$(dirname $OUTPUT)/$NAME"
    ln -s $NAME.cmj $TARGET.cmo

    NEW_ARGS="$NEW_ARGS > $TARGET.js"
    eval "$BSC $NEW_ARGS"
    ;;
  *.cma|*.exe|*.bc)
    echo "no-op" > $OUTPUT
    ;;
  *)
    eval "$BSC $NEW_ARGS"
    ;;
esac