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x/tools/cmd/godoc: improve recursive Internal call graph presentation #14240

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Thomasdezeeuw opened this issue Feb 5, 2016 · 1 comment

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@Thomasdezeeuw
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commented Feb 5, 2016

What version of Go are you using (go version)?

N/A (go 1.5, go tip), using golang.org/x/tools at fe74a4186116b8d7dd38a723993e0d84f8834b34.

What operating system and processor architecture are you using?

N/A (OS X 10.11.3)

What did you do?

Ran godoc -http :6060 -analysis type,pointer.

What did you see instead?

Running analyses on an recursive function creates a rather interesting call graph, see image below. Could there be a better way to display the call graph of recursive functions?

godoc example

Note: this has no priority, just creating an issue so it's not forgotten.

@alandonovan

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commented Feb 10, 2016

This is working as intended; the unrolling of a cyclic graph is an infinite tree. I don't know of a better way to display an arbitrary cyclic graph; Sugiyama-style layouts do not scale beyond a few dozen nodes.

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