tcc -run <filename> for Objective-C (mulle-objc / Apple)

run-objc

#! /usr/bin/env bash
#
# Coded by Nat! in 2020
# Public Domain
#
tmpdir=
mulle=

finish()
{
  if [ ! -z "${tmpdir}" ]
  then
     chmod -R ug+wX "${tmpdir}" &&
     rm -rf "${tmpdir}"
  fi
}
trap finish EXIT

while [ $# -ne 0 ]
do
   case "$1" in
      --run)
         shift
         continue
      ;;
      --mulle)
         mulle=YES
         shift
         continue
      ;;
   esac
   break
done

if [ $# -eq 0 ]
then
   echo "runobjc [--run] [--mulle] <filename> ..." >&2
   exit 1
fi

filename="$1"
shift

tmpdir="`mktemp -d`" || exit 1
if [ -z "${mulle}" ]
then
   cp "${filename}" "${tmpdir}/main.m"  || exit 1
   (
      cd "${tmpdir}" &&
      cc -o a.out main.m -framework Foundation
   ) || exit 1
   executable="${tmpdir}/a.out"
else
   mulle-sde -s init -d "${tmpdir}" -m foundation/objc-developer executable &&
   cp "${filename}" "${tmpdir}/src/main.m"
   (
      cd "${tmpdir}" &&
      mulle-sde -s craft --release
   ) || exit 1

   projectname="`basename -- "${tmpdir}"`"
   executable="${tmpdir}/kitchen/Release/${projectname}"
fi

"${executable}" "$@"