1 files changed, 166 insertions, 0 deletions
diff --git a/isar/interface b/isar/interface
new file mode 100644
index 00000000..ffc45cbc
--- /dev/null
+++ b/isar/interface
@@ -0,0 +1,166 @@
+#!/usr/bin/env bash
+#
+# $Id$
+#
+# Proof General interface wrapper for Isabelle.
+
+
+## self references
+
+THIS=$(cd "$(dirname "$0")"; pwd)
+SUPER=$(cd "$THIS/.."; pwd)
+KIND=$(basename "$(dirname "$0")")
+
+if [ "$KIND" = isar ]; then
+  ISAR=true
+else
+  ISAR=false
+fi
+
+
+## diagnostics
+
+usage()
+{
+  echo
+  echo "Usage: Isabelle [OPTIONS] [FILES ...]"
+  echo
+  echo "  Options are:"
+  echo "    -I BOOL      use Isabelle/Isar instead of classic Isabelle (default $ISAR)"
+  echo "    -X BOOL      configure the X-Symbol package on startup (default true)"
+  echo "    -l NAME      logic image name (default \$ISABELLE_LOGIC=$ISABELLE_LOGIC)"
+  echo "    -m MODE      add print mode for output"
+  echo "    -p NAME      Emacs program name (default xemacs)"
+  echo "    -u BOOL      use personal .emacs file (default true)"
+  echo "    -w BOOL      use window system (default true)"
+  echo "    -x BOOL      enable the X-Symbol package on startup (default false)"
+  echo
+  echo "Starts Proof General for Isabelle with theory and proof FILES"
+  echo "(default Scratch.thy)."
+  echo
+  echo "  PROOFGENERAL_OPTIONS=$PROOFGENERAL_OPTIONS"
+  echo
+  exit 1
+}
+
+fail()
+{
+  echo "$1" >&2
+  exit 2
+}
+
+
+## process command line
+
+# options
+
+ISABELLE_OPTIONS=""
+LOGIC="$ISABELLE_LOGIC"
+PROGNAME="xemacs"
+INITFILE="true"
+WINDOWSYSTEM="true"
+XSYMBOL=""
+XSYMBOLSETUP=true
+
+getoptions()
+{
+  OPTIND=1
+  while getopts "I:X:l:m:p:u:w:x:" OPT
+  do
+    case "$OPT" in
+      I)
+        ISAR="$OPTARG"
+        ;;
+      X)
+        XSYMBOLSETUP="$OPTARG"
+        ;;
+      l)
+        LOGIC="$OPTARG"
+        ;;
+      m)
+        if [ -z "$ISABELLE_OPTIONS" ]; then
+          ISABELLE_OPTIONS="-m $OPTARG"
+        else
+          ISABELLE_OPTIONS="$ISABELLE_OPTIONS -m $OPTARG"
+        fi
+        ;;
+      p)
+        PROGNAME="$OPTARG"
+        ;;
+      u)
+        INITFILE="$OPTARG"
+        ;;
+      w)
+        WINDOWSYSTEM="$OPTARG"
+        ;;
+      x)
+        XSYMBOL="$OPTARG"
+        ;;
+      \?)
+        usage
+        ;;
+    esac
+  done
+}
+
+getoptions $PROOFGENERAL_OPTIONS
+
+getoptions "$@"
+shift $(($OPTIND - 1))
+
+if [ "$ISAR" = true ]; then
+  KIND=isar
+  DEFAULT_FILES="Scratch.thy"
+else
+  KIND=isa
+  DEFAULT_FILES="Scratch.thy Scratch.ML"
+fi
+
+
+# args
+
+if [ "$#" -eq 0 ]; then
+  FILES="$DEFAULT_FILES"
+else
+  FILES=""
+  while [ "$#" -gt 0 ]; do
+    FILES="$FILES '$1'"
+    shift
+  done
+fi
+
+
+## main
+
+ARGS=""
+
+[ "$INITFILE" = false ] && ARGS="$ARGS -q"
+
+if [ "$WINDOWSYSTEM" = true -a -n "$DISPLAY" ]; then
+  ARGS="$ARGS -T Isabelle"
+  [ -n "$XSYMBOL_INSTALLFONTS" -a "$XSYMBOLSETUP" = true ] && "$ISATOOL" installfonts -x
+else
+  ARGS="$ARGS -nw"
+  XSYMBOL=false
+fi
+
+[ ! "$XSYMBOLSETUP" = true ] && XSYMBOL_HOME=""
+
+
+ARGS="$ARGS -l '$SUPER/isa/interface-setup.el'"
+
+for FILE in "$ISABELLE_HOME/etc/proofgeneral-settings.el" \
+    "$ISABELLE_HOME_USER/etc/proofgeneral-settings.el"
+do
+  [ -f "$FILE" ] && ARGS="$ARGS -l '$FILE'"
+done
+
+PROOFGENERAL_HOME="$SUPER"
+PROOFGENERAL_ASSISTANTS="$KIND"
+PROOFGENERAL_LOGIC="$LOGIC"
+PROOFGENERAL_XSYMBOL="$XSYMBOL"
+
+export PROOFGENERAL_HOME PROOFGENERAL_ASSISTANTS PROOFGENERAL_LOGIC PROOFGENERAL_XSYMBOL
+export ISABELLE_OPTIONS
+
+eval exec "$PROGNAME" "$ARGS" "$FILES"