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go/gopls/internal/regtest
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Robert Findley ccb10502d1 internal/lsp/cache: invalidate metadata when parsing issues resolve 
Package loading (at least via go list) fails when the import header
doesn't parse, so we need to invalidate metadata upon a state change
from non parsing->parsing. Refactor metadata invalidation to implement
this feature, add additional documentation, and avoid unnecessary work.

This change revealed a latent bug (via TestDeleteDirectory): when
statting a deleted directory failed, we could fail to invalidate any
package IDs, even those we already knew about. This bug was masked by
the somewhat complicated semantics of pkgNameChanged. The semantics of
pkgNameChanged are simplified to encapsulate any change to a
package->file association.

Also refactor the parsing API somewhat, and add a bug report if we don't
get a ParseGoFile while inspecting for metadata changes.

Update most regtests to panic upon receiving bug reports.

Fixes golang/go#52981

Change-Id: I1838963ecc9c01e316f887aa9d8f1260662281ab
Reviewed-on: https://go-review.googlesource.com/c/tools/+/407501
Reviewed-by: Alan Donovan <adonovan@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Robert Findley <rfindley@google.com>
 		2022-05-23 18:14:40 +00:00
..
bench internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
codelens internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
completion internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
debug internal/lsp: add an option to get notified of bug reports 2022-05-18 01:40:46 +00:00
diagnostics internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
misc internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
modfile internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
template internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
watch internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00
workspace internal/lsp/cache: invalidate metadata when parsing issues resolve 2022-05-23 18:14:40 +00:00