#!/bin/bash

#####################################################################
#                                                                   #
#               Compiles Faust programs to CLI alsa                 #
#               (c) Grame, 2009-2018                                #
#                                                                   #
#####################################################################

. faustpath
. faustoptflags

CXXFLAGS=$MYGCCFLAGS

ARCHFILE=$FAUSTARCH/alsa-console.cpp

POLY="POLY"
NVOICES=-1
OSCDEFS=""

#-------------------------------------------------------------------
# Analyze command arguments :
# faust options                 -> OPTIONS
# if -omp : -openmp or -fopenmp -> OPENMP
# existing *.dsp files          -> FILES
#

# PHASE 1 : Look for -icc option to force use of intel icc (actually icpc)
# without having to configure CXX and CXXFLAGS
for p in $@; do
	if [ "$p" = -icc ]; then
		CXX=icpc
		CXXFLAGS=$MYICCFLAGS
    fi
done

#PHASE 2 : dispatch command arguments
while [ $1 ] 
do
    p=$1

	if [ $p = "-help" ] || [ $p = "-h" ]; then
        echo "faust2alsaconsole [-nvoices <num>] [-midi] [-osc] [-httpd] [-arch32] [-arch64] <file.dsp>"
        echo "Use '-nvoices <num>' to produce a polyphonic self-contained DSP with <num> voices, ready to be used with MIDI or OSC"
        echo "Use '-midi' to activate MIDI control"
        echo "Use '-osc' to activate OSC control"
        echo "Use '-httpd' to activate HTTP control"
        echo "Use '-arch32' to compile a 32 bits binary"
        echo "Use '-arch64' to compile a 64 bits binary"
        exit
    fi
    
    if [ "$p" = -omp ]; then
        if [[ $CXX == "icpc" ]]; then
            OMP="-openmp"
        else
            OMP="-fopenmp"
        fi
    fi

    if [ "$p" = -icc ]; then
		ignore=" "
    elif [ $p = "-nvoices" ]; then
        POLYDEFS="DEFINES += POLY"
        shift
        NVOICES=$1
        if [ $NVOICES -ge 0 ]; then
            CXXFLAGS="$CXXFLAGS -DNVOICES=$NVOICES"
        fi
    elif [ $p = "-midi" ]; then
        MIDIDEFS="-DMIDICTRL"
    elif [ $p = "-osc" ]; then
	 	OSCDEFS="-DOSCCTRL -lOSCFaust"
    elif [ $p = "-httpd" ]; then
		HTTPDEFS="-DHTTPCTRL -lHTTPDFaust -lmicrohttpd"
    elif [ $p = "-arch32" ]; then
		PROCARCH="-m32 -L/usr/lib32"
    elif [ $p = "-arch64" ]; then
		PROCARCH="-m64"
    elif [ ${p:0:1} = "-" ]; then
	    OPTIONS="$OPTIONS $p"
	elif [[ -f "$p" ]]; then
	    FILES="$FILES $p"
	else
	    OPTIONS="$OPTIONS $p"
	fi
	
shift

done

#-------------------------------------------------------------------
# compile the *.dsp files using ALSA and GTK on linux
#
for f in $FILES; do

	# compile faust to c++
	faust -i -a $ARCHFILE $OPTIONS "$f" -o "$f.cpp" || exit

	# compile c++ to binary
	(
		$CXX $CXXFLAGS $FAUSTTOOLSFLAGS $OMP "$f.cpp" `pkg-config --cflags --libs alsa` $PROCARCH $OSCDEFS $HTTPDEFS $POLYDEFS $MIDIDEFS -lpthread -o "${f%.dsp}"
	) > /dev/null || exit
	rm "$f.cpp"

	# collect binary file name for FaustWorks
	BINARIES="$BINARIES${f%.dsp};"
done

echo $BINARIES
