#nmigen on 2021-04-18 — 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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01:01 <_whitenotifier-5> [YoWASP/yosys] whitequark pushed 1 commit to develop [+0/-0/±1] https://git.io/JORM6

01:01 <_whitenotifier-5> [YoWASP/yosys] whitequark 110d68b - Update dependencies.

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15:01 <FL4SHK> seems that I want the `inspect` module

15:02 <FL4SHK> I want to piggyback off of the VHDL implementation's error checking

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15:28 <FL4SHK> got told of the `inspect` module

15:36 <FL4SHK> how does nMigen determine the line number of an Assert?

15:36 <FL4SHK> I want to include Python line numbers of AST nodes in the generated VHDL

15:36 <FL4SHK> only directly above every line in the generated VHDL

15:41 <FL4SHK> so if someone could tell me how it's done in nMigen, that'd be great

15:41 <FL4SHK> also, if this is too off topic for #nmigen, let me know

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15:48 <vup> FL4SHK: https://github.com/nmigen/nmigen/blob/d824795c2c7cb43dcbc8ed8fac6d309d77284913/nmigen/tracer.py#L50

15:49 <FL4SHK> I see

15:49 <FL4SHK> what is `src_loc_at`?

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15:51 <cr1901_modern> https://docs.python.org/3/library/sys.html#sys._getframe Well, at least the docs are nice enough to document this even if you're not supposed to use it

15:51 <FL4SHK> I see, so I'm not supposed to use that

15:51 <FL4SHK> so I guess I can just use the `inspect` module

15:52 <cr1901_modern> That was me being a bit flippant

15:52 <vup> FL4SHK: basically how deep to look in the call stack for the location

15:52 <cr1901_modern> You can use it, just be prepared for it to not work in a future python version

15:52 <FL4SHK> I'll use stuff that'll work in future Python versions

15:52 <FL4SHK> you can just use the `inspect` module

15:53 <vup> can you get the location using `inspect`?

15:53 <FL4SHK> yes

15:53 <vup> ah yeah I see it

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16:06 <FL4SHK> figured it out!

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18:59 <FL4SHK> I think I need nMigen's tracer module

18:59 <FL4SHK> though I had to do things differently for figuring out the line number

18:59 <FL4SHK> actually, I just thought of another method

19:18 <FL4SHK> The problem I had was having named AST elements know their name

19:19 <FL4SHK> it'll get set by the DSL classes

19:22 <FL4SHK> When an instance of one the DSL classes has its `__setattr__` function called, it'll create the AST node

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