Re: [ANN] Lua 5.2.0 (work1) now available
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- Subject: Re: [ANN] Lua 5.2.0 (work1) now available
- From: Tom N Harris <telliamed@...>
- Date: 2010年1月11日 17:21:31 -0500
Quae Quack wrote:
>
> I urge you to consider my proposal for __next (see mailing list post
> with subject " __pairs isn't what we need" )
>
> If you are against a __next though, a way for C to respect proxy tables
> is very much required. Not sure how you would solve this, as there is no
> lua_pairs...
>
// S> table
lua_getfield(L, LUA_ENVIRONINDEX, "pairs");
lua_insert(L, -2);
lua_call(L, 1, 3);
// S> key table iterator
int iter = lua_gettop(L);
do {
lua_pushvalue(L, iter-2);
lua_pushvalue(L, iter-1);
lua_pushvalue(L, iter);
lua_call(L, 2, LUA_MULTRET);
if (lua_isnil(L, -1)) break;
lua_copy(L, -1, iter);
// ... do stuff
lua_settop(L, iter);
} while (1);
lua_settop(L, iter-3);
Or something like that.
--
- tom
telliamed@whoopdedo.org