Re: [myhdl-list] Block return values (myhdl.BlockError)

[Samuele D. <sm...@gm...>]

Hi!
I am not getting the problem completely so I will try to give a probably
wrong solution, I would like to hear some feedback on it in order to rise a
more practical discussion:

Block connections are usually indicated as arguments of the block
functions, can we stick to this phylosophy and pass an empty list for
signals defined inside the block itself? (the block will fill the list)

Hardware Instances are usually passed through the return statement as
single object, lists or tuples (Is this the maintenance problem?) and we
are not capable of return anything else with the current implementation
without getting errors (Have I got it right?). Can we decide to use a list
for hardware instances embedded as the first element of a tuple (or in a
dictionary)? The other elements will contain all kinds of return objects.

Jan, could you list your thoughts about the problems you are getting on the
implementation side :)?
I am definitely interested.

Samuele

On Sun, May 1, 2016 at 12:46 PM, Henry Gomersall <he...@ma...> wrote:

> On 01/05/16 11:40, Jan Decaluwe wrote:
> > Feedback is more than welcome.
>
> Another potential option is to make the Block class part of the user
> API, or perhaps an alternative Block factory, to allow these more
> esoteric use cases.
>
> So, the @block decorator is used in the simple/common case. If you want
> to do something more complicated, you can use the alternative tools to
> extract the block object. Exactly how this would be realised I'm not
> sure, but I'm sure there would be a neat way.
>
> It touches on my comments in issue #162, which is another manifestation
> of the limitations of the decorator implementation.
>
> Henry
>
>
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