local ffi = FFI or require("ffi")
Simulation = Simulation or {}

function Simulation.compile(sim)
	-- assemble a list of all nets
	local all_nets = {}
	for wire_idx, wire in pairs(sim.wires) do
		local net = Wire.getgroup(wire)
		all_nets[net] = net
	end
	local num_nets = 0
	for net_id, net in pairs(all_nets) do
		num_nets = num_nets+1
	end
	
	-- construct each gate into an array
	
	-- construct each group into an array
	local group_idx = 0
	local array_nets = ffi.new("struct Net["..num_groups.."]")
	for group_id, group in pairs(groups) do
		local c_net = ffi.new("struct Net")
		
		local ports_update = {}
		for port_id, port in pairs(group.in_ports) do
			if port.causeupdate then
				num_ports_update = num
			end
		end
		--c_net.ports_update = ffi.new("struct Port["..
		
		array_nets[group_idx] = c_net
		group_idx = group_idx + 1
	end
end

function Simulation.decompile(sim)
	
end

function Simulation.tickcompiled(sim)
	
end