Find All References / CodeLens doesn't report usages from other files

[augustoproiete]

Reported by @AndaBucsa in cake-build/cake#3171 (reply in thread)

I noticed however that Find All References / CodeLense doesn't report usages from other files, it only reports usages from the same file.

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Needs investigation / repro to confirm behavior.

@bjorkstromm Is expected behavior / current limitation?

[bjorkstromm]

That's currently a limitation by design.

If a.cake loads b.cake, when in the context of b.cake it's currently not possible to find references from a.cake as it's not in the current context.