Hello,

Has anyone experienced issues with generics? I have the following code:

unit cdescreen;
{$mode delphi}
interface
uses
  // LCL, RTL, FCL
  Classes, SysUtils, Controls, Graphics, LCLType, SDFData, fpimage,
  fgl,
  //
  cdeconfig, cdeprovinces, cdeutils, cdegame, cdetypes, dlgstatus;
type
  TCDEScreen = class;
  { TCDEDrawerDelegate }
  TCDEDrawerDelegate = class
  public
    Owner: TCDEScreen;
    procedure HandleMouseDown(Sender: TObject; Button: TMouseButton;
Shift:TShiftState; X,Y:Integer); virtual; abstract;
    procedure HandleMouseUp(Sender: TObject; Button: TMouseButton;
Shift:TShiftState; X,Y:Integer); virtual; abstract;
    procedure HandleMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer); virtual; abstract;
    procedure Prepare; virtual; abstract;
  end;
  TDrawerDelegateList = specialize TFPGList<TCDEDrawerDelegate>;
...
cdescreen.pas(29,63) Fatal: Syntax error, ";" expected but ">" found
If I change the line to   TDrawerDelegateList = specialize
TFPGList<TCDEDrawerDelegate;

then it says:

cdescreen.pas(29,63) Fatal: Syntax error, ">" expected but ";" found

o.O FPC 2.4.0 on Windows

I couldn't find anything in the bug tracker

Changing the mode to objfpc doesn't change anything

thanks,

I'm having this issue, too, but with 2.4.3.

Regards,
Sven

Sven Barth wrote

I'm having this issue, too, but with 2.4.3.

The following example code fails with FPC 2.4.2 RC1 as well (system is i386-win32):

====

program generictest;
{$mode objfpc}{$H+}
uses
   fgl;
type
   TTest = specialize TFPGList<TObject>;
begin
end.

====

2.4.0 works without problems here.
2.4.3 has the same problem (as mentioned in the previous mail).

Regards,
Sven

Hi!

> I'm having this issue, too, but with 2.4.3. The following example code fails with FPC 2.4.2 RC1 as well (system is i386-win32):

Tried that with trunk and it compiled fine. (FPC 2.5 on win64)

Cheers,
Willi

I also tested with a 2.5.1 version from August (I don't remember the correct date currently) yesterday evening and it worked as well. (on i386-linux)

Regards,
Sven

I looked around a bit more. There already exists a bug report from April for this: http://bugs.freepascal.org/view.php?id=16121

I manually merged 14176 to my 2.4.3 working copy now (as mentioned in the report) and I also needed to merge 14243 to resolve the remaining issues.

Regards,
Sven