[Libre-soc-bugs] [Bug 1094] insndb instruction database visitor-walker is needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1094

--- Comment #112 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Dmitry Selyutin from comment #109)
> OK, take 2: I committed a simplified version of walkers which yield paths
> too. But, this time, the path of the parent is not passed to the children
> walk algorithm. Each component just yields paths to its children nodes along
> with the nodes itself, and passes these to visitors.

yep no on paths, the visitor instance should be tracking the
path, not the walker. the only thing the walker might also pass
is the index (as an integer not a string): enumerate(subnodes)

this was ok: https://bugs.libre-soc.org/show_bug.cgi?id=1094#c82

sidenote, treewalker does not need depth, self.depth == len(self.paths)

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