[Gambas-user] How to make Class file to Library for use in other Gambas applications

[Jussi Lahtinen]

First, use Export command in classes you want to expose as library.
Then, open project which uses this as library. Open project properties,
choose tab "libraries" and add library binary.

Jussi



On Wed, Feb 22, 2012 at 02:03, Willy Raets <willy at ...2734...>wrote:

> Hi all,
>
> I've been searching and reading my butt of on how to make a library with
> Gambas 2 for Gambas 2.
>
> It is a very simple and short library so I can get familiar with how it
> works and do a how to documentation so others can benefit of my learning
> curve as well and you will be bored less with questions like this on
> this list (hopefully).
>
> I have a simple Class called SysInfo (made it Start up Class)
> That is all the project contains, no forms or modules.
>
> ------ Code for Class SysInfo ---
>
> PUBLIC OS AS String
> PUBLIC Kernel AS String
> PUBLIC KernelRelease AS String
> PUBLIC KernelVersion AS String
> PUBLIC Architecture AS String
>
> PUBLIC SUB ReadInfo()
>
>  DIM sLineOSYS, sLineKERN, sLineKERNR, sLineKERNV, sLineARCH AS String
>  '--- Read system information ---
>  EXEC ["uname", "-o"] TO sLineOSYS
>  EXEC ["uname", "-s"] TO sLineKERN
>  EXEC ["uname", "-r"] TO sLineKERNR
>  EXEC ["uname", "-v"] TO sLineKERNV
>  EXEC ["arch"] TO sLineARCH
>  OS = Trim(sLineOSYS)
>  Kernel = Trim(sLineKERN)
>  KernelRelease = Trim(sLineKERNR)
>  KernelVersion = Trim(sLineKERNV)
>  Architecture = Trim(sLineARCH)
>
> END
>
> ----- End Code Class file -----
>
> Now I read somewhere you need to make a gambas executable and place it
> in the project folder of the project you want to use it.
>
> So I made an executable named it SysInfo.gambas
> Placed it in the project folder of a project where I need the library
> and then I get stuck.
>
> How to I use the library in my code?
>
> Gambas documentation goes into C libraries but says nothing about gambas
> libraries.
> Does it work the same for Gambas libraries, because I have tried with
> using LIBRARY "SysInfo.gambas" and I am not getting there.
> And if I would do EXTERN ReadInfo() compiler gives no problem.
> But how to get the OS because EXTERN OS is not okay for the compiler.
>
> I was expecting, because of the library being Gambas for Gambas that it
> would be eazier. Like that the compiler would recognize SysInfo and that
> a simple SysInfo.ReadInfo would run the getting of the info and a simple
> SysInfo.OS would give me the OS info.
> But obviousily it ain't that simple.
>
> How do I get my application to recognize SysInfo?
> And next, how do I use SysInfo in my application
>
> I am missing some information there?
> Any links to some good example maybe that could get me on the road again
> or some hints?
>
> Thanks,
>
> Willy
>
>
>
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