#! /bin/sh
#
# qucsdigilib - wrapper script for digital modules and libraries
#
# Copyright (C) 2009 Stefan Jahn <stefan@lkcc.org>
#
# This 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; either version 2, or (at your option)
# any later version.
# 
# This software 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 package; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
# Boston, MA 02110-1301, USA.  
#

# Bail out on any error
set -e

# catch termination signal and kill all child processes
#trap 'kill 0; exit 0' SIGTERM

if [ "$#" != 4 ]; then
    echo "Usage: $0 <netlist.txt> <directory> <entity> <library>"
    echo "Directory has to contain the file 'netlist.txt'."
    exit 1
fi

NAME=$1
DIR=$2
ENTITY=$3
LIBRARY=$4

if [ ! -d "$DIR" ]; then
    echo "$DIR: Not a directory"
    exit 1
fi

cd $DIR

if [ ! -f $NAME ]; then
    echo "$NAME: No such file"
    exit 1
fi

CXX=`freehdl-config --cxx`
CXXFLAGS=`freehdl-config --cxxflags`
AR=ar
RANLIB=ranlib

cp $NAME $ENTITY.vhdl
NAME=$ENTITY

echo -n "running C++ conversion..."
freehdl-v2cc -l$LIBRARY -Lvhdl -o $NAME.cc $NAME.vhdl
echo " done."

echo -n "compiling functions..."
$CXX $CXXFLAGS -c $NAME.cc
echo " done."

echo -n "copying module to VHDL directory..."
cp $NAME.o vhdl/$LIBRARY
echo " done."

echo -n "updating VHDL library..."
$AR cru vhdl/lib$LIBRARY.a vhdl/$LIBRARY/*.o
$RANLIB vhdl/lib$LIBRARY.a
echo " done."