Pas2JS pascal source code
type
TChild = class;
type
TBase = class
function Stuff : TChild; virtual; abstract;
end;
type
TChild = class (TBase)
function Stuff : TChild; override;
procedure WriteLnHello;
class procedure WriteLnWorld; virtual;
end;
type
TChild2 = class (TChild)
function Stuff : TChild; override;
class procedure WriteLnWorld; override;
end;
implementation
function TChild.Stuff : TChild;
begin
Result:=Self;
end;
procedure TChild.WriteLnHello;
begin
WriteLn('Hello ');
end;
class procedure TChild.WriteLnWorld;
begin
WriteLn('World');
end;
function TChild2.Stuff : TChild;
begin
Result:=inherited Stuff;
end;
class procedure TChild2.WriteLnWorld;
begin
WriteLn('My ');
inherited WriteLnWorld;
end;
{ unit1.pas }
var
o : TBase;
c = o.Stuff;
Begin
o:=TChild.Create;
c.WriteLnHello;
o.Stuff.WriteLnWorld;
o:=TChild2.Create;
c:=o.Stuff;
c.WriteLnHello;
o.Stuff.WriteLnWorld;
{ ### CONSOLE OUTPUTS ###
Hello World
Hello My World
}