#! /bin/zsh
# encoding: utf-8

setopt extendedglob

function die() {
	echo "\n\n>>> Failed during ${1}, aborting."
	exit 1
}

function translate() {
	echo -n "Translating from Python to C: "
	
	first=1
	
	for item in ${@}
	do
		if [ $first -eq 1 ]; then
			echo -n "${item}"
			first=0
		else
			echo -n ", ${item}"
		fi
		
		cython -3 ${item}.pyx -o ${item}.c || die "translating"
	done
	
	echo "."
}

function combobulate() {
	name="$1"
	
	echo -n > "$name.pyx"
	
	for part in src/$name.*.pyx
	do
		# echo "Combobulating $part..."
		echo "###############################################################################" >> "$name.pyx"
		echo "# Combobulated from file $part" >> "$name.pyx"
		echo "###############################################################################\n" >> "$name.pyx"
		cat "$part" >> "$name.pyx"
		echo >> "$name.pyx"
	done
}

CFLAGS=(-Wall -pedantic -std=c99 -fPIC)
LFLAGS=(-shared)

combobulate core
ln -s src/interface/* .

# call Cython
translate core

echo -n "Compiling and linking: core"
gcc $CFLAGS -I/usr/include/python3.3 -pthread -c core.c || die "compilation"
gcc $LFLAGS -L/usr/lib -lpython3.3 core.o -o core.so || die "linking"
rm -f core.{c,o}
echo "."

# remove temporary sources
rm -f *.pyx *.pxd