#!/bin/bash

#####################################################################
#                                                                   #
#               Compiles Faust programs to VST (OSX version)		#
#               (c) Grame, 2012                                     #
#                                                                   #
#####################################################################

# VST specific sdk files
#------------------------
VSTSDK="/usr/local/include/vstsdk2.4"
EXT=".vst"

INCLUDES="-I$VSTSDK/ -I$VSTSDK/public.sdk/source/vst2.x/"

LIBS=" -framework Carbon -framework CoreServices"

SOURCES=" $VSTSDK/public.sdk/source/vst2.x/audioeffect.cpp $VSTSDK/public.sdk/source/vst2.x/audioeffectx.cpp $VSTSDK/public.sdk/source/vst2.x/vstplugmain.cpp"

CXXFLAGS='-Wfatal-errors -O3 -mfpmath=sse -msse -msse2 -msse3 -ffast-math'



createInfoPList() {
	(
	echo '<?xml version="1.0" encoding="UTF-8"?>' > info.plist
	echo '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">'
	echo '<plist version="1.0">'
	echo '<dict>'
	echo '	<key>CFBundleDevelopmentRegion</key>'
	echo '	<string>English</string>'
	echo '	<key>CFBundleExecutable</key>'
	echo "	<string>$1</string>"
	echo '	<key>CFBundleIdentifier</key>'
	echo "	<string>$1</string>"
	echo '	<key>CFBundleInfoDictionaryVersion</key>'
	echo '	<string>6.0</string>'
	echo '	<key>CFBundleName</key>'
	echo "	<string>$1</string>"
	echo '	<key>CFBundlePackageType</key>'
	echo '	<string>BNDL</string>'
	echo '	<key>CFBundleShortVersionString</key>'
	echo '	<string>2.4</string>'
	echo '	<key>CFBundleSignature</key>'
	echo '	<string>????</string>'
	echo '	<key>CFBundleVersion</key>'
	echo '	<string>2.4</string>'
	echo '	<key>CSResourcesFileMapped</key>'
	echo '	<true/>'
	echo '</dict>'
	echo '</plist>'
	) > "$2"
}


#-------------------------------------------------------------------
# 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='-O3 -xT -ftz -fno-alias -fp-model fast=2'
    fi
done

#PHASE 2 : dispatch command arguments
for p in $@; do
    if [ "$p" = -omp ]; then
        if [[ $CXX == "icpc" ]]; then
            OMP="-openmp"
        else
            OMP="-fopenmp"
        fi
    fi
  
    if [ "$p" = -icc ]; then
    	ignore=" "
    elif [ ${p:0:1} = "-" ]; then
	    OPTIONS="$OPTIONS $p"
	elif [[ -e "$p" ]]; then
	    FILES="$FILES $p"
	else
	    OPTIONS="$OPTIONS $p"        
	fi
done



#-------------------------------------------------------------------
# compile the *.dsp files
#
PATH=$PATH:/usr/local/bin

for p in $FILES; do

    CUR=$(pwd)
    f=$(basename "$p")
	SRCDIR=$(dirname "$p")

    # creates a temporary dir 
    TMP=$(mktemp -d faust.XXX)

    # compile faust to c++
	faust -a vst2p4.cpp $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}.cpp"

    # compile c++ to binary
    (
	cd "$TMP"
	install -d "${f%.dsp}$EXT/Contents/MacOS"
	g++ $CXXFLAGS -arch i386 $INCLUDES -bundle -o "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}" "${f%.dsp}.cpp" $SOURCES
	createInfoPList "${f%.dsp}" "${f%.dsp}$EXT/Contents/Info.plist"
	echo "BNDL????" > "${f%.dsp}$EXT/Contents/PkgInfo"
    ) > /dev/null

    rm -rf "$SRCDIR/${f%.dsp}$EXT"

    cp -r "$TMP/${f%.dsp}$EXT" "$SRCDIR/${f%.dsp}$EXT"
    rm -rf "$TMP"

    # collect binary file name for FaustGIDE
    BINARIES="$BINARIES$SRCDIR/${f%.dsp}$EXT;"
done

echo $BINARIES


