[fpc-devel]Delphi incompatibility/error (DynArray) in 1.1

[Morten Juel Skovrup]

I'm not sure whether the devel-list was down when I tried to mail this
the first time... so I try again:

> -----Original Message-----
> 
> I think I've found a couple of Delphi incompatibilities in 
> branch 1.1 (snapshot 09/01/03) (- couldn't find anything in 
> the buglist) - one compiler related, and one which generates 
> a runtime-error - see the following source.
> 
> Morten
> 
> 
> program TestFPC11;
> 
> type
>   TDoubleArray = array of Double;
>   TTestProp =
>     record
>       TestItem : Double;
>     end;
>   TTestPropArray = array of TTestProp;
> 
>   TTestClass =
>     class
>       private
>         FTestProp: TTestPropArray;
>       public
>         constructor Create;
>         destructor Destroy; override;
>         property TestProp : TTestPropArray read FTestProp;
>     end;
> 
> procedure Init(var AnArray : array of Double);
> var
>   i : Integer;
> begin
>   for i:=0 to High(AnArray) do
>     AnArray[i] := 1;
> end;
> 
> var
>   Test      : TDoubleArray;
>   i         : Integer;
>   TestClass : TTestClass;
> 
> constructor TTestClass.Create;
> begin
>   inherited Create;
>   SetLength(FTestProp,2);
> end;
> 
> destructor TTestClass.Destroy;
> begin
>   Finalize(FTestProp);
>   inherited Destroy;
> end;
> 
> begin
>   SetLength(Test,5);
>   Init(Test);                       //!!! FPC compile error - Delphi
> compiles fine...
>   for i:=0 to High(Test) do
>     WriteLn(Test[i]);
>   Finalize(Test);
> 
>   TestClass := TTestClass.Create;
>   with TestClass.TestProp[1] do     //!!! FPC stops with runtime-error
> 201
>     TestItem := 2;
>   WriteLn(TestClass.TestProp[0].TestItem);
>   WriteLn(TestClass.TestProp[1].TestItem);
>   TestClass.Free;
> end.
> 
> 
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