[fpc-pascal] Please someone explain this to me

Ralf Quint freedos.la at gmail.com
Wed Feb 10 00:31:52 CET 2016


On 2/9/2016 2:58 PM, Anthony Walter wrote:
> I really don't like the include files with Lazarus and Free Pascal for 
> the following reason:
>
> How the **** am I supposed to know which file is including an include 
> file?
>
> Often times I am trying to find a function or class or some other 
> identifier and I search files on disk for the name. Then it turns out 
> the identifier is in some include file. Often the include file doesn't 
> have any information to which unit it belongs and I am then forced to 
> search further for other files which reference the include file. It's 
> a mess.
>
> In this issue http://mantis.freepascal.org/view.php?id=29599 Juha is 
> asking how I was able to compile my patch without using the dynlibs 
> unit. Sure enough I am not using the dynlibs unit, but on my system it 
> compiles. When I control click the LoadLibrary identifier in my Unity 
> patch, Lazarus brings up an include file with LoadLibtary declared, 
> but I have no idea which unit is including it (remember I'm not using 
> unit dynlibs).
>
> So my question is, how do the rest of you deal with include files and 
> locating the unit including them? And also can this system for 
> including files be better implemented, for example by some IDE feature 
> to figure this out for you and displaying the "owning" units.
>
It seems to me as if you are approaching the problem from the wrong end, 
which has your search end up in the include file instead of the 
associated unit.

I had only a cursory look at your problem and it seems you just went 
straight to the Linux related LoadLibrary function instead of indeed 
using the dynlibs unit, which exist for the purpose of creating a 
cross-platform way of using dynamically loaded libraries (hence the 
name). You seem to  just ignore the fact that this is a highly OS 
depended functionality and seemed to have taken interest only in the 
Linux related part of what ever your initial problem is/was and used 
that portion of the code in stead of making use of the dynlibs unit.

Ralf

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