#!/usr/bin/env bash

 #

 # $Id$

 # Author: Markus Wenzel, TU Muenchen

 #

 # 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"