[fpc-devel] Class property and virtual getter

[Jonas Maebe]

On 27 Feb 2014, at 12:40, luiz americo pereira camara wrote:

> Removing class before property compiles. But if i try to access the
> property using TSimpleModel.ResourceClient gives the following error:
>
> Error: Only class methods, class properties and class variables can be
> referred with class references

You have to declare an instance and then call its property. You don't  
have to instantiate the instance if the property maps to a class method.

> Technically there's some obstacle to allow such construct?

Class properties should be accessible from within static class  
methods. Having them accessible depending on the getter/setter they  
use (static or not) would break orthogonality (the visibility/ 
usability must depend on the interface, not on the implementation of  
the interface).

Non-static class methods cannot be called from static class methods  
because you don't know the original class type that was used to call  
it (and hence this could have unexpected results).


Jonas