delphi language features which fpc does not have

From Free Pascal wiki
Revision as of 21:59, 7 November 2009 by Aison (talk | contribs) (Delayed directive)

New since Delphi 2007

Operator Overloading Syntax for records and classes

Info: http://docwiki.embarcadero.com/RADStudio/en/Operator_Overloading http://wiert.wordpress.com/2009/10/19/delphi-operator-overloading-table-of-operators-names-and-some-notes-on-usage-and-glitches/

Class Helpers

Records with Methods

Class Variables, Types and Consts

Class Properties

Static Class Methods

New since Delphi 2009

Generics Syntax

Unicode string support

Anonymouse Methods

New since Delphi 2010

Custom Attributes

Enhanced RTTI

Delayed directive

Info is here: http://docwiki.embarcadero.com/RADStudio/en/Libraries_and_Packages#Delayed_Loading

fpc wiki about that topic: http://wiki.freepascal.org/Dynamically_loading_headers

AS and IS extended for interfaces

Info is here: http://docwiki.embarcadero.com/RADStudio/en/Interface_References#Casting_Interface_References_to_Objects

Misc:

  1. {$SCOPEDENUMS ON} directive which allows to use enumeration name before the item. Example:

<delphi> type

 TColor = (red, green, blue);

begin

 WriteLn(ord(TColor.red));

end; </delphi>

  1. {$pointermath ON} directive which turns on pointer arithmetic.

Reference

  1. http://edn.embarcadero.com/article/34324
  2. http://edn.embarcadero.com/article/images/39076/New_Delphi_Coding_Styles_and_Architectures.pdf
  3. http://docwiki.embarcadero.com/RADStudio/en/What's_New_in_Delphi_and_C%2B%2BBuilder_2010