#!/usr/bin/env bash

#

# Author: Markus Wenzel, TU Muenchen

#

# Isabelle tool wrapper.

if [ -L "$0" ]; then

  TARGET="$(LC_ALL=C ls -l "$0" | sed 's/.* -> //')"

  exec "$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd "$(dirname "$TARGET")"; pwd)/$(basename "$TARGET")" "$@"

fi

## settings

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

ISABELLE_HOME="$(cd "$(dirname "$0")"; cd "$(pwd -P)"; cd ..; pwd)"

source "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2

## diagnostics

function usage()

{

  echo

  echo "Usage: $PRG NAME [ARGS ...]"

  echo

  echo "  Start Isabelle tool NAME with ARGS; pass \"-?\" for tool specific help."

  echo

  echo "Available tools:"

  perl -w "$ISABELLE_HOME/lib/scripts/tools.pl"

  exit 1

}

function fail()

{

  echo "$1" >&2

  exit 2

}

## args

[ "$#" -lt 1 -o "$1" = "-?" ] && usage

TOOLNAME="$1"

shift

## main

splitarray ":" "$ISABELLE_TOOLS"; TOOLS=("${SPLITARRAY[@]}")

for DIR in "${TOOLS[@]}"

do

  TOOL="$DIR/$TOOLNAME"

  case "$TOOL" in

    *~ | *.orig) ;;

    *) [ -f "$TOOL" -a -x "$TOOL" ] && exec "$TOOL" "$@" ;;

  esac

done

fail "Unknown Isabelle tool: $TOOLNAME"