call lua state from every c++ file

Asked Jul 12 '14 at 11:40

Active Jul 12 '14 at 18:27

Viewed 232 times

I added lua into my c++ project and now I would like to know if its somehow possible to set the "L" global or something like that?

lua_State* L = lua_open();

currently I have in the main function:

lua_State* L = lua_open();
luaopen_base(L);

but on an other file I need to call this function:

int result = lua_tinker::call<int>(L, "Lv", 1);

but the "L" Doesnt work and I dont want to open & close Lua every time I have to call one function.

or should I use

lua_State* L = lua_open();
luaopen_base(L);

every time I need to call a lua function?

edited Jul 12 '14 at 18:27

hjpotter92

asked Jul 12 '14 at 11:40

metabeta

2

You will need to store `L` either globally or with singleton – Caesar Jul 12 '14 at 11:45
Also if you need parallel execution of Lua, you should create as many lua_State*s, as many threads will work with at at one time. – Arkady Jul 12 '14 at 11:56
@Caesar could you give an example? Im using LuaTinker https://github.com/zupet/LuaTinker – metabeta Jul 12 '14 at 12:16

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