#! /bin/bash -e

#####################################################################
#                                                                   #
#               Compiles Faust programs to a bench                  #
#               (c) Grame, 2022                                     #
#                                                                   #
#####################################################################

# Define some common paths
. faustpath

# Define compilation flags
. faustoptflags

# Helper file to build the 'help' option
. usage.sh

CXXFLAGS+=" $MYGCCFLAGS"  # So that additional CXXFLAGS can be used

# The architecture file name
ARCHFILE=$FAUSTARCH/bench.cpp

# Global variables
OPTIONS=""
FILES=""

#-------------------------------------------------------------------
# dispatch command arguments
#-------------------------------------------------------------------

while [ $1 ]
do
    p=$1
 
    if [ $p = "-help" ] || [ $p = "-h" ]; then
        usage faust2bench "[Faust options] <file.dsp>"
        echo "Compiles Faust programs to a benchmark executable"
        option "Faust options"
        exit
    fi
  
    if [ ${p:0:1} = "-" ]; then
        OPTIONS="$OPTIONS $p"
    elif [[ -f "$p" ]] && [ ${p: -4} == ".dsp" ]; then
        FILES="$FILES $p"
    else
        OPTIONS="$OPTIONS $p"        
    fi

shift

done

#-------------------------------------------------------------------
# compile the *.dsp files 
#-------------------------------------------------------------------

for f in $FILES; do

    # compile the DSP to c++ using the architecture file
    faust -i -a $ARCHFILE $OPTIONS "$f" -o "${f%.dsp}.cpp"|| exit
   
    # compile c++ to binary
    (
        $CXX $CXXFLAGS "${f%.dsp}.cpp" -o "${f%.dsp}"
    ) > /dev/null || exit

    # remove tempory files
    rm -f "${f%.dsp}.cpp"

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

echo $BINARIES


