diff -r 000000000000 -r 84fdfb0344c9 lm_types.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lm_types.c	Sun Feb 01 21:28:57 2009 +0200
@@ -0,0 +1,62 @@
+
+#include <lua.h>
+#include <lauxlib.h>
+#include <loudmouth/loudmouth.h>  // lm_*ref
+
+#include "lm_types.h"
+#include "util.h"
+
+void llm_callback_destroy (llm_callback_t *cb)
+{
+	luaL_unref (cb->L, LUA_REGISTRYINDEX, cb->reference);
+	luaL_free (cb->L, cb);
+}
+
+#define LLM_CHECK(WHAT, TYPE)                                                     \
+llm_##WHAT##_t *luaL_checklm_##WHAT (lua_State *L, int index)                     \
+{                                                                                 \
+	llm_##WHAT##_t *object = luaL_checkudata (L, index, "loudmouth." #WHAT);  \
+	luaL_argcheck (L, object != NULL, index, "loudmouth " #WHAT " expected"); \
+	return object;                                                            \
+}
+
+#define LLM_BLESS(WHAT, TYPE)                                                   \
+llm_##WHAT##_t *llm_##WHAT##_bless (lua_State *L, TYPE *WHAT)                   \
+{                                                                               \
+	llm_##WHAT##_t *object;                              /* top of stack */ \
+	lua_pushstring (L, LLM_OBJREGISTRY);       /* 1 registry table name  */ \
+	lua_rawget (L, LUA_REGISTRYINDEX);               /* 1 registry table */ \
+	lua_pushlightuserdata (L, WHAT);                 /* 2 light userdata */ \
+	lua_rawget (L, -2);                                  /* 2 object/nil */ \
+	if (!lua_isnil (L, -1)) {                                /* 2 object */ \
+		lua_remove (L, -2);                              /* 1 object */ \
+		object = lua_touserdata (L, -1);                                \
+		return object;                                                  \
+	}                                                                       \
+	                                                            /* 2 nil */ \
+	lua_remove (L, -1);                              /* 1 registry table */ \
+	object = lua_newuserdata (L, sizeof (llm_##WHAT##_t)); /* 2 userdata */ \
+	luaL_getmetatable (L, "loudmouth." #WHAT);            /* 3 metatable */ \
+	lua_setmetatable (L, -2);                                /* 2 object */ \
+	lua_pushlightuserdata (L, WHAT);                 /* 3 light userdata */ \
+	lua_pushvalue (L, -2);                                   /* 4 object */ \
+	lua_rawset (L, -4);                                      /* 2 object */ \
+	lua_remove (L, -2);                                      /* 1 object */ \
+	object->WHAT = WHAT;                                                    \
+	lm_##WHAT##_ref (WHAT);                                                 \
+	return object;                                                          \
+}
+
+#define LLM_DEFINE(WHAT, TYPE) \
+LLM_CHECK (WHAT, TYPE)         \
+LLM_BLESS (WHAT, TYPE)
+
+LLM_DEFINE (connection, LmConnection)
+LLM_DEFINE (message, LmMessage)
+LLM_DEFINE (message_handler, LmMessageHandler)
+LLM_DEFINE (message_node, LmMessageNode)
+LLM_DEFINE (proxy, LmProxy)
+LLM_DEFINE (ssl, LmSSL)
+
+#undef LLM_DEFINE
+