Re: Calling Lua from C

[Marc Balmer <marc@...>]

Am 07.10.11 22:05, schrieb Patrick Rapin:
> Hello,
> 
> I have two questions to ask to the entire community. Because for me,
> there is a mystery.
> 
>  - Do you run Lua scripts from within a C or C++ application ?

Yes.

>  - If yes, what API are you using for it?

The Lua C API.

> 
> I thought that calling Lua from C[++] should be very common. Lua is
> designed to be embedded, and is written in "clean C" to simplify
> compilation in various environments.
> The standard Lua API is powerful and complete, but not really handy.

I disagree.  It is handy.

> You have to load the code (compile), push the arguments, make the
> call, take the results back from the stack, and at most stages check
> whether an error happened and retrieve error message. The sub-API
> d'Arc does not simplify the task neither.
> 
> There are numerous Lua-C++ bindings that ease the process. None of
> them seems popular however.

C++ is not popular in my community.

> I feel frustrated, because I wrote two open-source libraries to simply
> call Lua from C++ [1][2]. LuaClassBasedCall is particularly powerful
> and easy to use.

It is irrelevant to C programmers like me.  I dislike C++ and don't use it.


> It looks like nearly nobody uses it ! And I would like to understand
> why, to decide if I should definitely stop any development on it.
> 
> Thank you,
> Patrick Rapin
> 
> [1] https://github.com/prapin/LuaGenericCall
> [2] https://github.com/prapin/LuaClassBasedCall
>