use sproto global slot

lualib/sproto.lua

@@ -12,8 +12,8 @@ function sproto_mt:__gc()
 	core.deleteproto(self.__cobj)
 end
 
-function sproto.new(pbin)
-	local cobj = assert(core.newproto(pbin))
+function sproto.new(...)
+	local cobj = assert(core.newproto(...))
 	local self = {
 		__cobj = cobj,
 		__tcache = setmetatable( {} , weak_mt ),

lualib/sprotoloader.lua

@@ -0,0 +1,23 @@
+local parser = require "sprotoparser"
+local core = require "sproto.core"
+local sproto = require "sproto"
+
+local loader = {}
+
+function loader.register(filename, index)
+	local f = assert(io.open(filename), "Can't open sproto file")
+	local data = f:read "a"
+	f:close()
+	local bin = parser.parse(data)
+	core.saveproto(bin, index)
+end
+
+loader.save = core.saveproto
+
+function loader.load(index)
+	local bin, sz = core.loadproto(index)
+	return sproto.new(bin,sz)
+end
+
+return loader
+