src/Tools/jEdit/dist-template/lib/Tools/jedit

more reasonably defaults for typical laptops (2 GB RAM, 2 cores);
enforce -server JVM if possible (NB: default JRE on Windows lacks that);

#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: Isabelle/jEdit interface wrapper


## diagnostics

PRG="$(basename "$0")"

usage()
{
  echo
  echo "Usage: isabelle $PRG [OPTIONS] [FILES ...]"
  echo
  echo "  Options are:"
  echo "    -J OPTION    add JVM runtime option"
  echo "                 (default JEDIT_JAVA_OPTIONS=$JEDIT_JAVA_OPTIONS)"
  echo "    -d           enable debugger"
  echo "    -j OPTION    add jEdit runtime option"
  echo "                 (default JEDIT_OPTIONS=$JEDIT_OPTIONS)"
  echo "    -l NAME      logic image name (default ISABELLE_LOGIC=$ISABELLE_LOGIC)"
  echo "    -m MODE      add print mode for output"
  echo
  echo "Start jEdit with Isabelle plugin setup and opens theory FILES"
  echo "(default ~/Scratch.thy)."
  echo
  exit 1
}

fail()
{
  echo "$1" >&2
  exit 2
}


## process command line

# options

JEDIT_LOGIC="$ISABELLE_LOGIC"
JEDIT_PRINT_MODE=""

getoptions()
{
  OPTIND=1
  while getopts "J:dj:l:m:" OPT
  do
    case "$OPT" in
      J)
        JAVA_ARGS["${#JAVA_ARGS[@]}"]="$OPTARG"
        ;;
      d)
        JAVA_ARGS["${#JAVA_ARGS[@]}"]="-Xdebug"
        JAVA_ARGS["${#JAVA_ARGS[@]}"]="-Xrunjdwp:transport=dt_socket,server=y,suspend=n"
        ;;
      j)
        ARGS["${#ARGS[@]}"]="$OPTARG"
        ;;
      l)
        JEDIT_LOGIC="$OPTARG"
        ;;
      m)
        if [ -z "$JEDIT_PRINT_MODE" ]; then
          JEDIT_PRINT_MODE="$OPTARG"
        else
          JEDIT_PRINT_MODE="$JEDIT_PRINT_MODE,$OPTARG"
        fi
        ;;
      \?)
        usage
        ;;
    esac
  done
}

declare -a JAVA_ARGS; eval "JAVA_ARGS=($JEDIT_JAVA_OPTIONS $JEDIT_SYSTEM_OPTIONS)"
[ -n "$SCALA_HOME" ] && JAVA_ARGS["${#JAVA_ARGS[@]}"]="-Dscala.home=$SCALA_HOME"

"$ISABELLE_TOOL" java -server >/dev/null 2>/dev/null && \
  JAVA_ARGS["${#JAVA_ARGS[@]}"]="-server"

declare -a ARGS; eval "ARGS=($JEDIT_OPTIONS)"

declare -a OPTIONS; eval "OPTIONS=($ISABELLE_JEDIT_OPTIONS)"
getoptions "${OPTIONS[@]}"

getoptions "$@"
shift $(($OPTIND - 1))


# args

if [ "$#" -eq 0 ]; then
  ARGS["${#ARGS[@]}"]="Scratch.thy"
else
  while [ "$#" -gt 0 ]; do
    ARGS["${#ARGS[@]}"]="$(jvmpath "$1")"
    shift
  done
fi


## default perspective

mkdir -p "$JEDIT_SETTINGS/DockableWindowManager"

if [ ! -e "$JEDIT_SETTINGS/perspective.xml" ]; then
  cat > "$JEDIT_SETTINGS/DockableWindowManager/perspective-view0.xml" <<EOF
<DOCKING LEFT="" TOP="" RIGHT="" BOTTOM="isabelle-session" LEFT_POS="0" TOP_POS="0" RIGHT_POS="250" BOTTOM_POS="250" />
EOF
  cat > "$JEDIT_SETTINGS/perspective.xml" <<EOF
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE PERSPECTIVE SYSTEM "perspective.dtd">
<PERSPECTIVE>
<VIEW PLAIN="FALSE">
<GEOMETRY X="0" Y="35" WIDTH="1072" HEIGHT="787" EXT_STATE="0" />
</VIEW>
</PERSPECTIVE>
EOF
fi


## main

case "$JEDIT_LOGIC" in
  /*)
    ;;
  */*)
    JEDIT_LOGIC="$(pwd -P)/$JEDIT_LOGIC"
    ;;
esac

export JEDIT_LOGIC JEDIT_PRINT_MODE

exec "$ISABELLE_TOOL" java "${JAVA_ARGS[@]}" \
  -jar "$(jvmpath "$JEDIT_HOME/jedit.jar")" \
  "-settings=$(jvmpath "$JEDIT_SETTINGS")" "${ARGS[@]}"