#!/bin/bash

# StarPU --- Runtime system for heterogeneous multicore architectures.
# 
# Copyright (C) 2010  Centre National de la Recherche Scientifique
# 
# StarPU is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at
# your option) any later version.
# 
# StarPU is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# See the GNU Lesser General Public License in COPYING.LGPL for more details.

WORKDIR=`mktemp -d`
SRCDIR=@STARPU_SRC_DIR@
MAKE="${MAKE:-make -j3}"

##################################################

# arg: returned status from the previous command
check_exec()
{
    PROFILE=$PROFILE_NUM
    if [ $SUBPROFILE_NUM -ne 0 ] ; then
        PROFILE="${PROFILE}.${SUBPROFILE_NUM}"
    fi
    if [ $1 -eq 0 ]; then
        echo "PASS: Profile $PROFILE"
    else
	echo "FAIL: Profile $PROFILE"
	if [ ${ABORT_ON_ERROR} -eq 1 ]; then
            echo "Aborting ..."
	    exit 1;
	fi
    fi
}

do_build()
{
    PROFILE_NUM=`expr ${PROFILE_NUM} + 1`
    echo ">>> Build configuration ${PROFILE_NUM}: <$@>"

    rm -rf ${WORKDIR}/build/*

    cd ${WORKDIR}/build
    ${SRCDIR}/configure "$@" > $WORKDIR/logs/profile.${PROFILE_NUM} 2>&1
    cd -
    code_build=$?

    if [ $code_build -ne 0 ]; then
        check_exec $code_build
    else
        ${MAKE} -C ${WORKDIR}/build >> $WORKDIR/logs/profile.${PROFILE_NUM} 2>&1
        code_build=$?
        check_exec $code_build
    fi
}

do_test()
{
    SUBPROFILE_NUM=`expr ${SUBPROFILE_NUM} + 1`
    echo ">>>> Execution configuration ${PROFILE_NUM}.${SUBPROFILE_NUM} : <$@>"

    (
        export $* ;
        ${MAKE} -C ${WORKDIR}/build check
    ) > $WORKDIR/logs/profile.${PROFILE_NUM}.${SUBPROFILE_NUM} 2>&1
    code_check=$?
    check_exec $code_check

    if [ $code_check -ne 0 ] ; then
        grep FAIL: $WORKDIR/logs/profile.${PROFILE_NUM}.${SUBPROFILE_NUM}
    fi

    coverage=$(find ${WORKDIR}/build -name "*.gcda" 2>/dev/null)
    if [ -n "$coverage" ] ; then
	lcov -c -d ${WORKDIR}/build -o ${WORKDIR}/cov/profile_${PROFILE_NUM}.${SUBPROFILE_NUM}.lcov >> $WORKDIR/logs/profile.${PROFILE_NUM}.${SUBPROFILE_NUM} 2>&1
    fi
}

##################################################

ABORT_ON_ERROR=0
while [ $# -ne 0 ]; do
    case $1 in
	--abort-on-error) 
	    ABORT_ON_ERROR=1
            shift ;;
	--help)
	    echo
            echo "Error. Syntax $0 [ --abort-on-error ] <profile files>"
            echo
	    exit 0 ;;
        *)
            break ;;
    esac
done

if [ -z "$1" ] ; then
    echo "Error. Syntax $0 [ --abort-on-error ] <profile files>"
    exit 0
fi

#################################################

## Create and jump to the workdir
mkdir ${WORKDIR}/build ; mkdir ${WORKDIR}/cov ; mkdir ${WORKDIR}/html ; mkdir ${WORKDIR}/logs

PROFILE_NUM=0
code_build=1
for file in $* ; do
    (
        while read line ; do
            if [ "$line" == "# Build configuration" ] ; then
                read line
                SUBPROFILE_NUM=0
                do_build $line
            elif [ "$line" == "# Execution configuration" ] ; then
                read line
                if [ $code_build -eq 0 ] ; then
                    do_test $line
                fi
            fi
        done
    ) < $file
done
echo $WORKDIR

### End of script

coverage=$(ls ${WORKDIR}/cov/*.lcov 2>/dev/null)
if [ -n "${coverage}" ] ; then
    genhtml --function-coverage --legend ${WORKDIR}/cov/*.lcov -o ${WORKDIR}/html -t "StarPU coverage test results" > ${WORKDIR}/logs/genhtml.log
    echo "The coverage report is located at : ${WORKDIR}/html"
fi

echo "Tests done"