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render HeapGraph in ASCII art for test harness #150

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nikomatsakis opened this issue Mar 3, 2022 · 3 comments
Open

render HeapGraph in ASCII art for test harness #150

nikomatsakis opened this issue Mar 3, 2022 · 3 comments
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enhancement New feature or request

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@nikomatsakis
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Right now we dump the DOT format but that's unreadable. It'd be cool to use something like https://dot-to-ascii.ggerganov.com/ and save the ASCII format.

Relevant research into how this can be done

Using perl seems fine but we'd have to make sure the installation is super easy and automatic and works everywhere. We could also setup a webserver do it or hand-code something similar (e.g., maybe not a "true" rendering but just extracting the foo --my--> bar edges or something).
@nikomatsakis nikomatsakis added the enhancement New feature or request label Mar 3, 2022
@nikomatsakis nikomatsakis mentioned this issue Mar 3, 2022
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@nikomatsakis
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@lqd, I'm responding to this comment on this thread:

ASCII output would be super cool, but maybe svg or another image format would be easier and acceptable in the meantime ? It's not really easily readable as text, but neither is a sufficiently large/complicated .dot file. We can easily do svg output in pure rust via https://github.com/nadavrot/layout.

I think what we really want is the ability to specify the "interesting bits" of the heap-graph dump in the #? annotation.

@nikomatsakis
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e.g. "it ought to show this variable in this state"

@nikomatsakis
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so maybe the right way to think about this is more about looking at the things we're trying to test and how to express them

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