// regarding code bomb at http://stackoverflow.com/questions/17726288/

procedure DoSomething_varaint_1;
begin
  if Condition1 then begin
     ShowMessage('Error 1');
     Exit;
  end;

  if Condition2 then begin
     ShowMessage('Error 2');
     Exit;
  end;

  if Condition3 then begin
     ShowMessage('Error 3');
     Exit;
  end;

.....

 Do something in the end
...
end;

(********************)

procedure DoSomething_varaint_1;
begin
  if Condition1 then
     raise Exception.Create('Error 1');

  if Condition2 then
     raise Exception.Create('Error 2');

  if Condition3 then
     raise Exception.Create('Error 3');

.....

 Do something in the end
...
end;