Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Lua Quick Start Guide

You're reading from   Lua Quick Start Guide The easiest way to learn Lua programming

Arrow left icon
Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781789343229
Length 202 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Gabor Szauer Gabor Szauer
Author Profile Icon Gabor Szauer
Gabor Szauer
Arrow right icon
View More author details
Toc

Functions

Global functions can be registered with Lua Bridge as well. These functions don't need to have the same signature as lua_CFunction; as Lua Bridge will generate the required glue code. Functions can be exposed with the addFunction function. This function takes two arguments. The first one is the Lua-side name of the function, and the second is a pointer to the function. The following code demonstrates how to do this:

int bar() {
return 2;
}

getGlobalNamespace(L)
.beginNamespace("foo")
.addFunction("bar", bar)
.endNamespace()

It is also possible to register functions written against the Lua C API that match the signature of lua_CFunction. You will most often do this if you need to port some legacy code over, in order to use Lua Bridge. Adding these functions works almost the same; the only difference is that the name of the function...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image