add c gate sim

sim/gatedef.lua

@@ -13,9 +13,6 @@ function GateDefinition.new(objref, name, description, init, logic, input, globa
 	input = collapseescape(input)
 	global = collapseescape(global)
 	description = collapseescape(description)
-	--code = collapseescape(code)
-	
-	--local compiled_size, compiled_code = Simulation.compile_code(nil, code)
 	
 	local def = {
 		objref = objref,
@@ -24,8 +21,8 @@ function GateDefinition.new(objref, name, description, init, logic, input, globa
 		ports = ports or {},
 		num_in_ports = 0,
 		num_out_ports = 0,
-		--compiled_program_code = compiled_code,
-		--compiled_program_size = compiled_size,
+		data_size_c = 0, -- todo
+		logic_function_c = 0, -- todo
 	}
 	
 	local initfunc = loadstring(tostring(init))