#!/bin/bash
while [[ $1 = -* ]]
do
  case $1 in
    -h|--help)
      echo
      echo "To use this script to 'compile' a helloworld program, you must set"
      echo "environment variables:"
      echo "  SUNSHINE_JAR to the full path to the executable sunshine jar downloaded from Metaborg"
      echo "  ECLIPSE_INSTALL to the directory where your eclipse executable (with Spoofax plugin) resides"
      echo "  HELLOWORLD_PROJECT to the project directory of this project"
      echo "(or of course you could make a copy of this script with those directories hardcoded)."
      echo
      echo "Usage:"
      echo "  hel2py [-q] FILE"
      echo "You can specify -q to suppress standard error output."
      echo "Writes the Python translation of FILE to standard out."
      echo "So you can 'execute' the file with"
      echo "  hel2py -q FILE | python3 -"
      exit
      ;;
    -q)
      shift
      exec 2>/dev/null
      ;;
  esac
done

java -jar $SUNSHINE_JAR transform -i $1 -n "Generate Python" -p $HELLOWORLD_PROJECT -l $HELLOWORLD_PROJECT -l "${ECLIPSE_INSTALL}/plugins"