sigic

#!/bin/bash
# 


POSITIONAL_ARGS=()
USAGE="Usage: $0 [-o FILE] [FILE | -e EXPR]"

while [[ $# -gt 0 ]]; do
  case $1 in
    -e|--expr)
      EXPR="$2"
      shift # past argument
      shift # past value
      ;;
    --output|-o)
      OUTPUT="$2"
      shift # past argument
      shift # past value
      ;;
    -*|--*)
      echo "Unknown option $1"
      echo $USAGE
      exit 1
      ;;
    *)
      POSITIONAL_ARGS+=("$1") # save positional arg
      shift # past argument
      ;;
  esac
done

tmp=$(mktemp -d)

if [[ -z ${FILE+x} && -z ${EXPR+x} ]]; then
    # both are missing
    echo $USAGE
    exit 1
elif [[ -n ${FILE+x} && -n ${EXPR+x} ]]; then
    # both are set
    echo $USAGE
    exit 1
elif [[ -n ${FILE+x} ]]; then
    basename=$(basename "$FILE")
    FILEBASE=${basename%.*} # file name without extension
    FILE=$(realpath "$FILE")
else
    # we have an expr
    FILEBASE="sigiexpr"
    FILE="$tmp/$FILEBASE.sigi"
    echo "$EXPR" > "$FILE"
fi


echo "Working in $tmp... ($filebase)"


set -e
just -f sigi-frontend/justfile sigiToMlir "$FILE" > "$tmp/$FILEBASE.mlir"
just -f sigi-mlir/justfile sigiToLlvmIr "$tmp/$FILEBASE.mlir"

EXEC=${OUTPUT:-./$FILEBASE}

cp $tmp/$FILEBASE.exe $EXEC
echo "Successfully compiled $EXEC"