#!/bin/bash

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

. faustpath
. faustoptflags

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

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 = "-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
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 -i -a $ARCHFILE $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}.cpp" || exit

    # compile c++ to binary
    (
	cd "$TMP"
	install -d "${f%.dsp}$EXT/Contents/MacOS"
	if [[ $(uname) == "Darwin" ]]; then
		g++ -arch i386 $CXXFLAGS $FAUSTTOOLSFLAGS $INCLUDES -bundle $PROCARCH -o "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}.i386" "${f%.dsp}.cpp" $SOURCES
		g++ -arch x86_64 $CXXFLAGS $FAUSTTOOLSFLAGS $INCLUDES -bundle $PROCARCH -o "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}.x86_64" "${f%.dsp}.cpp" $SOURCES
		lipo -create "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}.i386" "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}.x86_64" -output "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}"
	else
		g++ -fPIC -shared $CXXFLAGS $FAUSTTOOLSFLAGS $INCLUDES  -o "${f%.dsp}.so" "${f%.dsp}.cpp" $SOURCES
	fi
    )> /dev/null || exit

	createInfoPList "${f%.dsp}" "${f%.dsp}$EXT/Contents/Info.plist"
	echo "BNDL????" > "${f%.dsp}$EXT/Contents/PkgInfo"

    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
