Re: How can I push a table to lua in c++, Is there a more powerful API than lua_rawseti ?
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- Subject: Re: How can I push a table to lua in c++, Is there a more powerful API than lua_rawseti ?
- From: Dirk Laurie <dirk.laurie@...>
- Date: Tue, 3 Dec 2013 07:22:10 +0200
2013年12月3日 唐兆宁 <yuxiaichou@gmail.com>:
> My problem is: I want to push a table to lua stack,not by the index,but the
> key value,which means I want to push a C++ map to lua table.For example,if I
> have a map "a" -> 1, "b" -> 2, can I get a lua table {a=1, b=2}? I find the
> lua_newtable and lua_rawseti could not work in my situation,Is there a
> solution? BTW, I use lua4.0.
I can only give a 5.2 answer but this a very basic question.
Say you have already got your new empty table on the stack in register t.
Then one field at a time, push the value on the stack and lua_setfield it.
E.g.
lua_newtable(L); {* table is now in -1 *}
lua_pushinteger(L,1); {* table is now in -2 *}
lua_setfield(L,-2,"a");
lua_pushinteger(L,2); {* table is now in -2 *}
lua_setfield(L,-2,"b");