[fpc-devel] deprecated keyword

Peter Vreman peter at freepascal.org
Tue Aug 28 11:45:35 CEST 2007

> Hi
> FPC seems to allow the 'deprecated' keyword after a method
> declaration, but what exactly does the compiler do with that keyword?
> I don't see any special messages or anything from the compiler.
> I think at compile time the compiler should raise a warning wherever
> that deprecated method is used somewhere.
> The deprecated keyword could be used in frameworks or libraries
> designed with Free Pascal and that get maintained over many years.  As
> code evolves, things change. I think this will be very handy for
> developers giving them a early warning to update their code without
> breaking it.

The compiler should emit a warning when the identifier is used. If it doesn't then it is a bug.
Example output: dos.pp(407,57) Warning: Symbol "StatFS" is deprecated


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