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#!/bin/sh

# Copyright (C) 2013  Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

set -e

usage() {
        echo "Usage: counter your-system"
        echo
        echo "This counts lines of code for all the chunks in your-system"
        echo "It's re-runnable, and does morph edit to get each chunk."
        echo "The process can take a while."
}

if [ -z $1 ]; then
        usage
        exit 0
fi

workspace=$PWD/../..
system=$1

strata=`cat $system.morph | grep '\"morph\"' \
                          | grep -o \"[-a-z0-9]*\", \
                          | grep -o '[-a-z0-9]*'` 
for stratum in $strata 
do
    chunks=`cat $stratum.morph | grep '\"name\"' \
                               | grep -o \"[-a-z0-9]*\", \
                               | grep -o '[-a-z0-9]*'`
    for chunk in $chunks
    do
         if [ $chunk != $stratum ] ; then
             morph edit --no-git-update $system $stratum $chunk
             echo $chunk, `sloccount $workspace/*:$chunk  2> /dev/null \
                           |grep '(SLOC)' | awk '{ print $NF }' | sed 's/,//'`
         fi;
    done
done