Re: back to basics: calling a method with arguments

[Matthew Metnetsky <met@...>]

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Doug Rogers wrote:
> What Peter wrote, plus a copy of the 'class' object, assuming that's
> what you want (untested):
> 
>     lua_rawgeti(L, LUA_REGISTRYINDEX, class);
>     g_assert(lua_type(L, -1) == LUA_TTABLE);
>     lua_getfield(L, -1, cmd);
>     g_assert(lua_type(L, -1) == LUA_TFUNCTION);
>     lua_pushvalue(L, -2);      // Copy 'class' object.
>     lua_pushstring(L, args);
>     g_assert(lua_type(L, -1) == LUA_TSTRING);
>     if (0 != lua_pcall(L, 2, 1, 0)) { // pass 2 args, get 1 value...

Thank you Doug and Peter. Your explanation makes sense and the above
example of pushing the value works. How does lua internally know that
the first argument might be the scope of the method (like python's self
argument) or not?

~ Matthew
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