bin/isabelle-process
author blanchet
Mon Nov 04 10:52:41 2013 +0100 (2013-11-04)
changeset 54236 e00009523727
parent 52056 fc458f304f93
permissions -rwxr-xr-x
moved code around
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#!/usr/bin/env bash
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#
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# Author: Markus Wenzel, TU Muenchen
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#
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# Isabelle process startup script.
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if [ -L "$0" ]; then
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  TARGET="$(LC_ALL=C ls -l "$0" | sed 's/.* -> //')"
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  exec "$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd "$(dirname "$TARGET")"; pwd)/$(basename "$TARGET")" "$@"
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fi
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## settings
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PRG="$(basename "$0")"
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ISABELLE_HOME="$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd ..; pwd)"
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source "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
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## diagnostics
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function usage()
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{
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  echo
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  echo "Usage: $PRG [OPTIONS] [INPUT] [OUTPUT]"
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  echo
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  echo "  Options are:"
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  echo "    -I           startup Isar interaction mode"
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  echo "    -P           startup Proof General interaction mode"
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  echo "    -S           secure mode -- disallow critical operations"
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  echo "    -T ADDR      startup process wrapper, with socket address"
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  echo "    -W IN:OUT    startup process wrapper, with input/output fifos"
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  echo "    -e MLTEXT    pass MLTEXT to the ML session"
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  echo "    -m MODE      add print mode for output"
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  echo "    -o OPTION    override Isabelle system OPTION (via NAME=VAL or NAME)"
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  echo "    -q           non-interactive session"
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  echo "    -r           open heap file read-only"
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  echo "    -w           reset write permissions on OUTPUT"
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  echo
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  echo "  INPUT (default \"$ISABELLE_LOGIC\") and OUTPUT specify in/out heaps."
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  echo "  These are either names to be searched in the Isabelle path, or"
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  echo "  actual file names (containing at least one /)."
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  echo "  If INPUT is \"RAW_ML_SYSTEM\", just start the bare bones ML system."
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  echo
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  exit 1
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}
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function fail()
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{
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  echo "$1" >&2
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  exit 2
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}
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## process command line
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# options
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ISAR=""
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PROOFGENERAL=""
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SECURE=""
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WRAPPER_SOCKET=""
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WRAPPER_FIFOS=""
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MLTEXT=""
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MODES=""
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declare -a SYSTEM_OPTIONS=()
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TERMINATE=""
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READONLY=""
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NOWRITE=""
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while getopts "IPST:W:e:m:o:qrw" OPT
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do
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  case "$OPT" in
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    I)
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      ISAR=true
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      ;;
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    P)
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      PROOFGENERAL=true
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      ;;
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    S)
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      SECURE=true
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      ;;
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    T)
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      WRAPPER_SOCKET="$OPTARG"
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      ;;
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    W)
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      WRAPPER_FIFOS="$OPTARG"
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      ;;
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    e)
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      MLTEXT="$MLTEXT $OPTARG"
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      ;;
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    m)
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      if [ -z "$MODES" ]; then
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        MODES="\"$OPTARG\""
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      else
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        MODES="\"$OPTARG\", $MODES"
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      fi
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      ;;
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    o)
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      SYSTEM_OPTIONS["${#SYSTEM_OPTIONS[@]}"]="$OPTARG"
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      ;;
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    q)
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      TERMINATE=true
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      ;;
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    r)
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      READONLY=true
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      ;;
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    w)
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      NOWRITE=true
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      ;;
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    \?)
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      usage
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      ;;
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  esac
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done
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shift $(($OPTIND - 1))
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# args
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INPUT=""
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OUTPUT=""
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if [ "$#" -ge 1 ]; then
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  INPUT="$1"
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  shift
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fi
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if [ "$#" -ge 1 ]; then
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  OUTPUT="$1"
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  shift
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fi
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[ "$#" -ne 0 ] && { echo "Bad args: $*"; usage; }
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## check ML system
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[ -z "$ML_SYSTEM" ] && fail "Missing ML system settings! Unable to run Isabelle."
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## input heap file
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[ -z "$INPUT" ] && INPUT="$ISABELLE_LOGIC"
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case "$INPUT" in
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  RAW_ML_SYSTEM)
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    INFILE=""
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    ;;
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  */*)
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    INFILE="$INPUT"
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    [ ! -f "$INFILE" ] && fail "Bad heap file: \"$INFILE\""
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    ;;
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  *)
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    INFILE=""
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    ISA_PATH=""
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    splitarray ":" "$ISABELLE_PATH"; PATHS=("${SPLITARRAY[@]}")
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    for DIR in "${PATHS[@]}"
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    do
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      DIR="$DIR/$ML_IDENTIFIER"
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      ISA_PATH="$ISA_PATH  $DIR\n"
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      [ -z "$INFILE" -a -f "$DIR/$INPUT" ] && INFILE="$DIR/$INPUT"
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    done
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    if [ -z "$INFILE" ]; then
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      echo "Unknown logic \"$INPUT\" -- no heap file found in:" >&2
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      echo -ne "$ISA_PATH" >&2
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      exit 2
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    fi
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    ;;
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esac
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## output heap file
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case "$OUTPUT" in
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  "")
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    if [ -z "$READONLY" -a -w "$INFILE" ]; then
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      perl -e "exit (((stat('$INFILE'))[2] & 0222) != 0 ? 0 : 1);" && OUTFILE="$INFILE"
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    fi
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    ;;
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  */*)
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    OUTFILE="$OUTPUT"
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    ;;
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  *)
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    mkdir -p "$ISABELLE_OUTPUT"
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    OUTFILE="$ISABELLE_OUTPUT/$OUTPUT"
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    ;;
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esac
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## prepare tmp directory
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[ -z "$ISABELLE_TMP_PREFIX" ] && ISABELLE_TMP_PREFIX=/tmp/isabelle
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ISABELLE_PID="$$"
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ISABELLE_TMP="$ISABELLE_TMP_PREFIX$ISABELLE_PID"
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mkdir -p "$ISABELLE_TMP"
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## run it!
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ML_SYSTEM_BASE=$(echo "$ML_SYSTEM" | cut -f1 -d-)
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[ -n "$MODES" ] && MLTEXT="Unsynchronized.change print_mode (append [$MODES]); $MLTEXT"
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[ -n "$SECURE" ] && MLTEXT="$MLTEXT; Secure.set_secure ();"
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NICE="nice"
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if [ -n "$WRAPPER_SOCKET" ]; then
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  MLTEXT="$MLTEXT; Isabelle_Process.init_socket \"$WRAPPER_SOCKET\";"
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elif [ -n "$WRAPPER_FIFOS" ]; then
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  splitarray ":" "$WRAPPER_FIFOS"; FIFOS=("${SPLITARRAY[@]}")
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  [ "${#FIFOS[@]}" -eq 2 ] || fail "Expected IN:OUT fifo specification"
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  [ -p "${FIFOS[0]}" ] || fail "Bad input fifo: ${FIFOS[0]}"
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  [ -p "${FIFOS[1]}" ] || fail "Bad output fifo: ${FIFOS[1]}"
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  MLTEXT="$MLTEXT; Isabelle_Process.init_fifos \"${FIFOS[0]}\" \"${FIFOS[1]}\";"
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else
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  ISABELLE_PROCESS_OPTIONS="$ISABELLE_TMP/options"
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  "$ISABELLE_TOOL" options -x "$ISABELLE_PROCESS_OPTIONS" -- "${SYSTEM_OPTIONS[@]}" || \
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    fail "Failed to retrieve Isabelle system options"
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  if [ "$INPUT" != RAW_ML_SYSTEM -a "$INPUT" != RAW ]; then
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    MLTEXT="Options.load_default () handle _ => exit 2; $MLTEXT"
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  fi
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  if [ -n "$PROOFGENERAL" ]; then
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    MLTEXT="$MLTEXT; ProofGeneral.init ();"
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  elif [ -n "$ISAR" ]; then
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    MLTEXT="$MLTEXT; Isar.main ();"
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  else
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    NICE=""
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  fi
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fi
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export INFILE OUTFILE MLTEXT TERMINATE NOWRITE ISABELLE_PID ISABELLE_TMP ISABELLE_PROCESS_OPTIONS
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if [ -f "$ISABELLE_HOME/lib/scripts/run-$ML_SYSTEM" ]; then
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  $NICE "$ISABELLE_HOME/lib/scripts/run-$ML_SYSTEM"
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else
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  $NICE "$ISABELLE_HOME/lib/scripts/run-$ML_SYSTEM_BASE"
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fi
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RC="$?"
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[ -n "$ISABELLE_PROCESS_OPTIONS" ] && rm -f "$ISABELLE_PROCESS_OPTIONS"
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rmdir "$ISABELLE_TMP"
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exit "$RC"