Re: Embeddable and Extensible Languages

> It seems odd that you haven't look Tcl (http://www.tcl.tk). For me
> its by far the most advanced language when it comes to portability &
> maturity of code (stable, easy to understand & extend).


From what I understand of the original email, the intention is to use
have language to write behavioral models that interact with the
simulator cycle-by-cycle.


(Disclaimer: Despite my intense distaste for Tcl,) I agree that Tcl is
the best choice for a *command* language, that is, to control
simulator, set breakpoints etc. But I don't think it's a good language
to write functional hardware models. Python has a number of
constructs, like generators, that make it much easier to model a
cycle-based environment. (You may have a look at
http://jandecaluwe.com/Tools/MyHDL/Overview.html for some
inspiration.)


I know of a company that linked Python to a VHDL simulator and used
the python environment to mimic an external or internal processor.
(Basically, the python environment was driving an AHB bus.) I don't
know if they used multiple, concurrent, threads though.


Tom

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