rars-version.in

#!/bin/sh
# RARS RISC-V support by Evgeny Chugunnyy <chgena@mail.ru>
# Copyright (c) 2016 Alexander Chernov <cher@ejudge.ru>

LANG_CONFIG_DIR="@lang_config_dir@"

common_config() {
  echo 'long_name="RARS RISC-V Simulator"'
  echo 'src_sfx=".asm"'
  echo 'exe_sfx=".s"'
  echo 'arch="linux-shared"'
  echo 'insecure=1'
}

failure() {
  rm -f conftest*
  echo 'version='
  echo 'arg="'"${arg}"'"'
  common_config
  echo 'RARSPATH=/bin/false'
  [ "${verbose}" = 1 ] && echo "no" >&2
  exit 1
}

unset LANG
unset LC_ALL
unset LC_MESSAGES
unset LANGUAGE

if [ x"$1" = x-v ]
then
  verbose=1
  shift
fi

# recheck the language
if [ x"$1" = x-r ]
then
  arg="$2"
  [ x"$2" != x ] && rars="$2"
  [ "${rars}" = "" ] && rars="rars-simulator"

  [ "${verbose}" = 1 ] && echo -n "checking whether RARS is available..." >&2
  "${rars}" v  >/dev/null 2>&1 || failure ###
  version=`"${rars}" v | head -1 | gawk '{ print $2; }'` || failure
  [ "${version}" != "" ] || failure
  RARSPATH=`which "${rars}"` || failure
  [ "${RARSPATH}" != "" ] || failure
  echo 'version="'"${version}"'"'
  echo 'arg="'"${arg}"'"'
  common_config
  echo 'RARSPATH="'"${RARSPATH}"'"'
  [ "${verbose}" = 1 ] && echo "yes, ${RARSPATH}, ${version}" >&2
  exit 0
fi

if [ x"$1" = x-l ]
then
  echo "RARS RISC-V Simulator [https://github.com/TheThirdOne/rars]"
  exit 0
fi

[ "${EJUDGE_LANG_CONFIG}" = "" ] && EJUDGE_LANG_CONFIG="${LANG_CONFIG_DIR}/rars.cfg"

if [ -f "${EJUDGE_LANG_CONFIG}" ]
then
  . "${EJUDGE_LANG_CONFIG}"
else
  RARSPATH="rars-simulator"
fi

if [ x"${RARSPATH}" = x -o x"${RARSPATH}" = x/bin/false ]
then
  echo "This language is not supported." >&2
  exit 1
fi

if [ x"$1" = x-p ]
then
    echo "${RARSPATH}"
    exit 0
fi

"${RARSPATH}" v 2>/dev/null >/dev/null || exit 1
    
[ x"$1" = x-f ] && echo -n "RARS "

"${RARSPATH}" v | head -1 | gawk '{ print $2 }'