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luaa: add enhanced type() function 

This one recognizes awesome type.

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-12-03 22:33:11 +01:00
parent 7f3e831221
commit b76e0e52d9
1 changed files with 32 additions and 0 deletions
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32
luaa.c
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@ -285,6 +285,34 @@ luaAe_ipairs(lua_State *L)
return 3;
}
/** Enhanced type() function which recognize awesome objects.
* \param L The Lua VM state.
* \return The number of arguments pushed on the stack.
*/
static int
luaAe_type(lua_State *L)
{
luaL_checkany(L, 1);
#define CHECK_TYPE(type) \
do { \
if(luaA_toudata(L, 1, #type)) \
{ \
lua_pushliteral(L, #type); \
return 1; \
} \
} while(0)
CHECK_TYPE(wibox);
CHECK_TYPE(client);
CHECK_TYPE(image);
CHECK_TYPE(keybinding);
CHECK_TYPE(button);
CHECK_TYPE(tag);
CHECK_TYPE(widget);
#undef CHECK_TYPE
lua_pushstring(L, luaL_typename(L, 1));
return 1;
}
/** Replace various standards Lua functions with our own.
* \param L The Lua VM state.
*/
@ -310,6 +338,10 @@ luaA_fixups(lua_State *L)
lua_pushcfunction(L, luaA_ipairs_aux);
lua_pushcclosure(L, luaAe_ipairs, 1);
lua_settable(L, LUA_GLOBALSINDEX);
/* replace type */
lua_pushliteral(L, "type");
lua_pushcfunction(L, luaAe_type);
lua_settable(L, LUA_GLOBALSINDEX);
}
/** __next function for wtable objects.