#nmigen on 2021-04-17 — irc logs at freenode.irclog.whitequark.org

2021-02-27 05:40 whitequark[m] changed the topic of #nmigen to: nMigen hardware description language · code https://github.com/nmigen · logs https://freenode.irclog.whitequark.org/nmigen

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00:58 <_whitenotifier-5> [YoWASP/yosys] whitequark pushed 1 commit to develop [+0/-0/±1] https://git.io/JO8oE

00:58 <_whitenotifier-5> [YoWASP/yosys] whitequark d4e92d4 - Update dependencies.

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02:39 <whitequark[m]> FL4SHK: take a look at the `tracer` module

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13:52 <FL4SHK> whitequark[m]: I'll look at that, thanks

13:54 <FL4SHK> can't find that module?

13:54 <FL4SHK> I did figure out a solution, at least

14:14 <FL4SHK> there are definitely some things I want to add into this that I don't think are necessary for a minimum viable product

14:22 <FL4SHK> by the way

14:23 <FL4SHK> most of the work here is implementing a representation of VHDL within Python

14:23 <FL4SHK> and also a way to spit out the VHDL code

14:23 <FL4SHK> so it won't take very long to develop

14:23 <FL4SHK> besdies "nice to have" features

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14:30 <FL4SHK> myarch.mysignal = Signal(Unsigned(7, 0, is_downto=True)))

14:30 <FL4SHK> was thinking of making signals unsigned by default

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15:16 <FL4SHK> though

15:17 <FL4SHK> since I couldn't find the module

15:17 <FL4SHK> I'd like to be pointed towards it

15:23 <FL4SHK> the `tracer` module*

15:24 <FL4SHK> I'm guessing it will let me put line numbers into the VHDL code?

15:24 <FL4SHK> that's the main thing I want, line numbers

15:24 <tpw_rules> https://github.com/nmigen/nmigen/blob/master/nmigen/tracer.py presumably

15:25 <FL4SHK> ahhhhh

15:25 <FL4SHK> is it cool if I use that in my VHDL generator?

15:26 <FL4SHK> I'm not doing this in nMigen btw

15:26 <FL4SHK> I guess I might be in the wrong channel

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16:46 <whitequark> the license allows you to do so

16:47 <FL4SHK> cool

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20:59 <FL4SHK> What is the difference between `type(x) == str` and `isinstance(x, str)`?

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21:10 <lkcl> FL4SHK: https://stackoverflow.com/questions/1549801/what-are-the-differences-between-type-and-isinstance

21:11 <FL4SHK> I see

21:11 <FL4SHK> `isinstance` is what I want then

21:12 <lkcl> generally, use of type() is frowned upon because of the lack of checking of inheritance

21:12 <FL4SHK> I do need to check inheritance

21:13 <lkcl> plus, the little-known three-argument version of type() is actually a way to dynamically create classes

21:14 <lkcl> (as in: you can pass in 2 extra arguments: the second being the base classes and the third being the properties of the new "type". it might be the other way round)

21:15 <FL4SHK> I don't think I need to dynamically create classes here

21:16 <lkcl> i mention it in case you ever need to. it's pretty rare to encounter circumstances where it's needed. usually in compilers / language-translators

21:16 <lkcl> which, you happen to be writing :)

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