#!/usr/bin/env bash

#

# $Id$

# Author: Markus Wenzel, TU Muenchen

# License: GPL (GNU GENERAL PUBLIC LICENSE)

#

# build - compile the Isabelle system and object-logics

## global settings

ALL_LOGICS="CCL CTT Cube FOL FOLP HOL HOLCF LCF Pure Sequents ZF"

## settings

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

export THIS_IS_ISABELLE_BUILD=true

ISABELLE_HOME="$(dirname "$0")"

. "$ISABELLE_HOME/lib/scripts/getsettings" || \

  { echo "$PRG probably not called from its original place!"; exit 2; }

## diagnostics

function usage()

{

  echo

  echo "Usage: $PRG [OPTIONS] [LOGICS ...]"

  echo

  echo "  Options are:"

  echo "    -a           all logics"

  echo "    -b           batch mode"

  echo "    -i           make images"

  echo "    -m TARGET    make this target"

  echo "    -t           make test"

  echo

  echo "  Compile the named LOGICS (default $ISABELLE_LOGIC), or all object logics"

  echo "  in the distribution."

  echo

  exit 1

}

function fail()

{

  echo "$1" >&2

  exit 2

}

## process command line

# options

ALL=""

BATCH=""

TARGETS=""

while getopts "abim:p:t" OPT

do

  case "$OPT" in

    a)

      ALL=true

      ;;

    b)

      BATCH=true

      ;;

    i)

      TARGETS="$TARGETS images"

      ;;

    m)

      TARGETS="$TARGETS $OPTARG"

      ;;

    t)

      TARGETS="$TARGETS test"

      ;;

    \?)

      usage

      ;;

  esac

done

shift $(($OPTIND - 1))

# args

LOGICS="$@"

[ -n "$ALL" ] && LOGICS="$LOGICS $ALL_LOGICS"

[ -z "$LOGICS" ] && LOGICS="$ISABELLE_LOGIC"

## main

# tell the user about current values

if [ -z "$BATCH" ]; then

  echo

  echo "                *****************************"

  echo "                * Welcome to Isabelle build *"

  echo "                *****************************"

  echo

  echo "Please check $ISABELLE_HOME/etc/settings"

  [ -f "$ISABELLE_HOME_USER/etc/settings" ] && echo "AND $ISABELLE_HOME_USER/etc/settings"

  echo "to make sure that Isabelle's ML system settings and compilation options"

  echo "are appropriate."

  echo

  echo "The current values are:"

  echo

  echo "  ML_SYSTEM=$ML_SYSTEM"

  echo "  ML_HOME=$ML_HOME"

  echo "  ML_OPTIONS=$ML_OPTIONS"

  echo "  ML_PLATFORM=$ML_PLATFORM"

  echo

  echo "  ISABELLE_USEDIR_OPTIONS=$ISABELLE_USEDIR_OPTIONS"

fi

# check logics

if [ -z "$BATCH" ]; then

  echo

  echo

  echo "Press RETURN to compilation of"

  echo

fi

MAKE_LOGICS=""

for L in $LOGICS

do

  DIR="$ISABELLE_HOME/src/$L"

  if [ -f "$DIR/IsaMakefile" ]; then

    MAKE_LOGICS="$MAKE_LOGICS $L"

  else

    echo "No such logic: $L"

  fi

done

if [ -z "$BATCH" ]; then

  echo " $MAKE_LOGICS"

  [ -n "$TARGETS" ] && echo "  (targets:$TARGETS)"

  echo

  read

else

  echo

  echo "Isabelle build: $MAKE_LOGICS"

  [ -n "$TARGETS" ] && echo "(targets:$TARGETS)"

  echo

  echo "ML_SYSTEM=$ML_SYSTEM"

  echo "ML_HOME=$ML_HOME"

  echo "ML_OPTIONS=$ML_OPTIONS"

  echo "ML_PLATFORM=$ML_PLATFORM"

  echo

  echo "ISABELLE_USEDIR_OPTIONS=$ISABELLE_USEDIR_OPTIONS"

  echo

fi

# build it

SECONDS=0

echo "Started at $(date) ($ML_IDENTIFIER on $(hostname))"

for L in $MAKE_LOGICS

do

  ( cd "$ISABELLE_HOME/src/$L"; "$ISATOOL" make $TARGETS )

done

echo -n "Finished at "; date

ELAPSED=$("$ISABELLE_HOME/lib/scripts/showtime" "$SECONDS")

echo "$ELAPSED total elapsed time"