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Use code units cache API #2704

Merged
merged 7 commits into from
Oct 10, 2024
Merged

Use code units cache API #2704

merged 7 commits into from
Oct 10, 2024

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vinistock
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Motivation

Closes #2674, closes #2671

This PR adopts the new code units cache API from Prism, so that code unit locations can be computed faster.

Implementation

I recommend reviewing by commit. The new API allows us to instantiate a code units cache ahead of time, which is then passed to get the code units in a more performant way. In places where we previously passed the encoding, we now pass the cache.

Note: this actually fixed a bug in the locations for semantic highlighting.

Automated Tests

Existing tests cover it, but I fixed one of them which had an incorrect expectation.

@vinistock vinistock added bugfix This PR will fix an existing bug server This pull request should be included in the server gem's release notes labels Oct 10, 2024
@vinistock vinistock self-assigned this Oct 10, 2024
@vinistock vinistock requested a review from a team as a code owner October 10, 2024 18:00
@andyw8
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andyw8 commented Oct 10, 2024

I'm seeing indexing take 1m45s on core now, are you getting around the same?

@vinistock
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How are you measuring that? My benchmarks are showing an average of 29 seconds.

@vinistock vinistock force-pushed the vs-use-code-units-cache branch from 20bf28e to 50469d3 Compare October 10, 2024 20:09
@andyw8
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andyw8 commented Oct 10, 2024

That was through VS Code, ruby-lsp --time-index gives 43s.

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I don't know yet know how else we'd do it, but it seems unfortunate that so many places in the code now need be aware of this cache.

@vinistock vinistock merged commit aab9990 into main Oct 10, 2024
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@vinistock vinistock deleted the vs-use-code-units-cache branch October 10, 2024 21:15
@vinistock vinistock added breaking-change Non-backward compatible change and removed bugfix This PR will fix an existing bug labels Oct 11, 2024
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