Re: [fpc-pascal] Pass type as function parameter

2021-03-24 Thread Darius Blaszyk via fpc-pascal 
Thank you so much Michael!

On Wed, Mar 24, 2021 at 11:05 AM Michael Van Canneyt 
wrote:

>
>
> On Wed, 24 Mar 2021, Darius Blaszyk via fpc-pascal wrote:
>
> > Hi,
> >
> > Would it be possible in FPC to pass a type of a variable as a parameter
> to
> > a function?
> >
> > e.g.
> >  MyFunction(integer);
> >
> > I have legacy C code that does this via a macro. Hopefully, it can be
> done
> > so I do not need to change the existing code too badly.
>
> This is not possible as such.
>
> What you can do is use generics
>
> MyFunction
>
> or use typeinfo:
>
> MyFunction(TypeInfo(Integer));
>
> Which of the 2 you need to use depends on the code of course.
>
> Michael.
>
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Re: [fpc-pascal] Pass type as function parameter

2021-03-24 Thread Marco van de Voort via fpc-pascal 


Op 2021-03-24 om 11:05 schreef Michael Van Canneyt via fpc-pascal:


Would it be possible in FPC to pass a type of a variable as a 
parameter to

a function?

e.g.
 MyFunction(integer);

I have legacy C code that does this via a macro. Hopefully, it can be 
done

so I do not need to change the existing code too badly.


This is not possible as such.

What you can do is use generics

MyFunction

or use typeinfo:

MyFunction(TypeInfo(Integer));

Which of the 2 you need to use depends on the code of course.

Or variants. Or in an emergency: start using/creating an external 
preprocessor.


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Re: [fpc-pascal] Pass type as function parameter

2021-03-24 Thread Michael Van Canneyt via fpc-pascal 



On Wed, 24 Mar 2021, Darius Blaszyk via fpc-pascal wrote:


Hi,

Would it be possible in FPC to pass a type of a variable as a parameter to
a function?

e.g.
 MyFunction(integer);

I have legacy C code that does this via a macro. Hopefully, it can be done
so I do not need to change the existing code too badly.


This is not possible as such.

What you can do is use generics

MyFunction

or use typeinfo:

MyFunction(TypeInfo(Integer));

Which of the 2 you need to use depends on the code of course.

Michael.
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[fpc-pascal] Pass type as function parameter

2021-03-24 Thread Darius Blaszyk via fpc-pascal 
Hi,

Would it be possible in FPC to pass a type of a variable as a parameter to
a function?

e.g.
  MyFunction(integer);

I have legacy C code that does this via a macro. Hopefully, it can be done
so I do not need to change the existing code too badly.

TIA

Rgds, Darius
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