Commit Graph

289 Commits

Author SHA1 Message Date
Robert Findley 76325da620 internal/lsp/progress: detach context for all progress notifications
Use a detached Context for all progress notifications. In particular,
using a detached Context for the window/workDoneProgress/create
notification avoids races where the $/cancelRequest notification and
create response cross paths, such that the client has created a progress
dialog but the server thinks that starting progress failed.

Also, as a matter of best practice don't store a context on the WorkDone
type, despite the fact that this Context is detached. Instead, only
close over a Context in the WorkDoneWriter, which requires a Context in
order to function but which implements the io.Writer interface.

The TestProgressBarErrors test should now pass reliably.

Fixes golang/go#46930

Change-Id: I0d115ed3a62de97fe545c8dc0403e7bb55f6e481
Reviewed-on: https://go-review.googlesource.com/c/tools/+/409936
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
2022-06-02 20:26:04 +00:00
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
Robert Findley b62b00ff9a internal/lsp: add an option to get notified of bug reports
Our mechanism for reporting internal bugs doesn't work unless we
actually notice them. Add an undocumented option to receive showMessage
dialogs on the first bug occurring server-side.

Change-Id: I259a4c13161271c350fae06dc6ab0e1621725c92
Reviewed-on: https://go-review.googlesource.com/c/tools/+/399624
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2022-05-18 01:40:46 +00:00
Robert Findley 44db4ebc77 gopls/internal/regtests: add a test for bad go.work files
Add a test that would have reproduced the panic from
golang/vscode-go#2121.

For golang/vscode-go#2121

Change-Id: Idb07dc0789b51e3056e0b3d0910916ec35931ac4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/397355
Run-TryBot: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-05-17 21:15:15 +00:00
Robert Findley 090b14e850 internal/lsp/regtest: make TestResolveImportCycle robust to error order
In JSON output, the Go command was only setting the Error field for one
package involved in an import cycle. As a result, TestResolveImportCycle
was dependent on the chosen package, causing flakes when the chosen
package is not deterministic.

Arguably this behavior should be fixed, both in the go command and in
gopls, but for now make the test resilient to choice by asserting on any
of the possible errors.

Add a new AnyOf expectation to support this type of assertion and tweak the
test output formatting. Also update the test to eagerly fail once the
didOpen notification has been fully processed, so that we don't have to
wait for the assertion timeout.

Updates golang/go#52904

Change-Id: Ic209d8fdcb7308c041b287a8f122c47e96d29a96
Reviewed-on: https://go-review.googlesource.com/c/tools/+/406274
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Robert Findley <rfindley@google.com>
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gopls-CI: kokoro <noreply+kokoro@google.com>
2022-05-13 22:16:40 +00:00
Robert Findley 728485ffcb gopls/internal/regtest: add a test for using staticcheck with generics
For golang/go#52159

Change-Id: I08120331b7f5c9eb06feac0d0eeb76a9a7b629df
Reviewed-on: https://go-review.googlesource.com/c/tools/+/399914
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Run-TryBot: Robert Findley <rfindley@google.com>
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Reviewed-by: Dylan Le <dungtuanle@google.com>
2022-05-11 20:19:40 +00:00
Robert Findley d303668635 internal/lsp/cache: use cached parsed files for symbols, if available
Optimize building the symbol index for a file, in two ways:
 - use the cached full parse tree, if it already exists
 - if it doesn't exist, optimize parsing by skipping both comments and
   object resolution, which aren't necessary for symbols

This results in around 3x faster initial indexing of symbols. In my
manual testing, indexing of Kubernetes went from 16s->5s, and indexing
of x/tools went from 2.4s->700ms.

Also fix a typo in gopls/internal/regtest/bench/bench_test.go.

Fixes #52602

Change-Id: I0893e95410be96e94e5e9dee7a3aab30b59c19c5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/403679
Run-TryBot: Robert Findley <rfindley@google.com>
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gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
2022-05-09 17:04:06 +00:00
Robert Findley 556c550a38 internal/lsp/cache: invalidate packages that have added files
When a file is new or its package name has changed, we should invalidate
all packages for files in the current directory, not just packages
previously containing the file.

Fixes golang/go#52500

Change-Id: I9fc9857a7abcd4e730068871c899d274e1736967
Reviewed-on: https://go-review.googlesource.com/c/tools/+/401795
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
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Reviewed-by: Suzy Mueller <suzmue@golang.org>
2022-05-02 22:20:22 +00:00
Robert Findley 4a3fc2182a internal/lsp: only linkify urls with http, https, and ftp schemes
Fixes golang/go#43990

Change-Id: I0ea26d521b2432238b05c26bfaccef6fc773dcf2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/393854
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Reviewed-by: Peter Weinberger <pjw@google.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
2022-05-02 22:00:12 +00:00
Dylan Le 559469ae16 internal/lsp: render package documentation when hovering over a package import
Update FindHoverContext to retrieve & render package documentation for a hovered package. Add a regtest for this hovering feature.

Updates golang/go#51848

Change-Id: If57396d59be9c4cf7e09b64e39832de6f996c7ca
Reviewed-on: https://go-review.googlesource.com/c/tools/+/400820
Reviewed-by: Robert Findley <rfindley@google.com>
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2022-04-25 17:29:41 +00:00
Russ Cox 2bbdb7a52e gopls, internal/lsp: gofmt
Gofmt to update doc comments to the new formatting.

(There are so many files in x/tools I am breaking up the
gofmt'ing into multiple CLs.)

For golang/go#51082.

Change-Id: Ife11502fe1e59a04d53dba9edccd3043e57f9ae8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/399358
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gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-04-12 17:41:31 +00:00
Robert Findley b2552ef554 internal/lsp: run go mod vendor exclusively to avoid file contention
Running go mod vendor can result in vendor/modules.txt being transiently
deleted while it is being updated. On Windows this introduces potential
problems with file locking, if modules.txt is being read by another go
process, such as an ongoing package load.

Change the command to use RunGoCommandPiped, which executes serially
within the gopls process.

For golang/go#49646

Change-Id: If2d1fe5431122ba05014051a0e9c303cf7ee9cb2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/399714
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2022-04-11 22:06:59 +00:00
Bryan C. Mills 7f1077708f gopls/internal/regtest/modfile: temporarily skip TestSumUpdateFixesDiagnostics
This test is somewhat noisy on the builders.
I'd like to skip it until someone can look into it in more depth.

For golang/go#51352.

Change-Id: I2aa5c9c279807b57872324d84c1bb585cdf34d06
Reviewed-on: https://go-review.googlesource.com/c/tools/+/398699
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2022-04-07 15:21:45 +00:00
Robert Findley 7cc24c2ba3 gopls: upgrade staticcheck to v0.3.0
Upgrade staticcheck to v0.3.0 to pick up support for generics. Since
this version only supports Go 1.17+, increase the version at which we
install staticcheck to 1.17 (from 1.15). This change is likely to cause
confusion for users on Go 1.16, so show a warning when setting
the "staticcheck" option to an unsupported value. Slightly refactor our
setting of options along the way.

Fixes golang/go#52159

Change-Id: Id9b4cee340e31988c64ca712d98573343aaf5848
Reviewed-on: https://go-review.googlesource.com/c/tools/+/396974
Trust: Robert Findley <rfindley@google.com>
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Trust: Peter Weinberger <pjw@google.com>
Reviewed-by: Peter Weinberger <pjw@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
2022-04-07 14:59:24 +00:00
Hana 54af36eca2 internal/lsp: handle invalid URL args in command params
beginFileRequest returns a nil error when file request url is
not a valid file url format. This is reported with a separate 'ok'
boolean return value.

This bug caused custom gopls commands to return success with
an empty result, instead of reporting the problem as an error.

Change-Id: I8eed39368087fa9928bcc68853225ea432f500d2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/395814
Trust: Hyang-Ah Hana Kim <hyangah@gmail.com>
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Reviewed-by: Jamal Carvalho <jamal@golang.org>
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2022-03-25 15:45:26 +00:00
Robert Findley 4adadedf93 internal/lsp/source: handle empty strings in directoryFilters
Avoid a panic when a directoryFilters entry is empty.

Fixes golang/go#51843

Change-Id: I50948894ce60d83441c3fc698c2e7d80d1d2b50e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/395675
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2022-03-24 21:16:24 +00:00
Suzy Mueller 779dfa4fb2 internal/lsp: invalidate package on go.mod change with go.work
If a go.mod file is updated, the packages
in that module may have updated type check
errors since the go version can affect errors.

Fixes golang/go#51732

Change-Id: I3a8cd8b9ab267336ccc5c841a14c5ec5f6c986e5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/393534
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2022-03-17 21:30:21 +00:00
Peter Weinbergr c7b0e9aca6 internal/lsp/template: fix processing of multi-line tokens
Aside from the logic error, the root flaw was inadequate
test coverage.

Fixes golang/go#51731

Change-Id: I50787a951ab742700d9890b4b5232e90189cb8ee
Reviewed-on: https://go-review.googlesource.com/c/tools/+/393634
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2022-03-17 15:18:29 +00:00
Michael Matloob ee31f70645 internal/lsp: add completion for use directives
For golang/go#50930

Change-Id: I9def58e9406ee735c93e988de336dbfee37e6c95
Reviewed-on: https://go-review.googlesource.com/c/tools/+/390054
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2022-03-10 23:20:43 +00:00
Michael Matloob 622cf7b338 internal/lsp/cache: copy workFile when invalidating workspace
to avoid losing workFile information when that happens. This fixes an
issue where diagnostics, hover, etc didn't show up after the initial
load when some changes were made to go.work files.

Change-Id: I42e2dcfd94a5b4726856ab0a4d8dfc9c1efc48b1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/391257
Trust: Michael Matloob <matloob@golang.org>
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2022-03-10 22:50:41 +00:00
Robert Findley c773560c36 internal/lsp/cache: set GOWORK=off when mutating modfiles
Commands will fail with -mod=mod when GOWORK is set. Explicitly set it
to off.

Fixes golang/go#48941

Change-Id: I39f9d95526ca6f3b0414ff273cecd443d69afa61
Reviewed-on: https://go-review.googlesource.com/c/tools/+/391518
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2022-03-10 21:45:24 +00:00
Peter Weinberger 613589de97 internal/lsp: more precise completions for *testing.F fuzz methods
The argument to f.Fuzz is determined, up to the names of arguments,
by the types of the arguments to f.Add. Inside the function argument
of f.Fuzz, only f.Name and f.Failed are allowed.

(The fset passed to fuzz was for debugging. When the change seems solid
it can be removed.)

Fixes golang/go#51089

Change-Id: Icf8b8cdfd29e499bcc605a358ca9edaef5baa835
Reviewed-on: https://go-review.googlesource.com/c/tools/+/387615
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2022-03-10 19:52:31 +00:00
Robert Findley b59c441bdb internal/lsp/cache: always consider go.work files for ws expansion
If a go.work file is present, we activate the workspace mode regardless
of the experimentalWorkspaceModule setting.

Fixing this also revealed a long-standing bug in traversing parent
directories. Amazingly I have no recollection of this bug being
reported, but it is far more likely to be hit with go.work files, when
users regularly open nested subdirectories.

Fixes golang/go#51477

Change-Id: I310a11b14f3bbc18fdd604c5c0ec33d7ee8f1174
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389300
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2022-03-07 16:11:49 +00:00
Michael Matloob e562276505 internal/lsp: add hover for go.work use statements
Show the module path of the module being used.

For golang/go#50930

Change-Id: I90a67e12182ffb457876b1fbc95aeb56ff632878
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389301
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2022-03-04 19:55:36 +00:00
Michael Matloob 121d1e448f internal/lsp: report diagnostics on go.work files
Report diagnostics on use lines where the directory doesn't have a
go.mod file, and on syntax errors in go.work.

For golang/go#50930

Change-Id: Idab36b43d86c4842f8eecd5c071ce0587e6f27b3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389317
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2022-03-04 18:29:58 +00:00
Suzy Mueller 7103138b8b gopls: add regtest for edit go directive quick fix
Change-Id: Id02a51b8513e11c688a1da9e7e1af66481d4881e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/389255
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2022-03-02 18:52:17 +00:00
pjw 9ffa3ad372 internal/lsp: Provide completions for test function definitions
In test files, function definitions starting with
Test, Bench, or Fuzz can be completed almost automatically.

For the snippets the user hits tab, completes the name, hits
tab again, and the function is defined, except (of course) for its
body.

Otherwise a completion that fills in the signature is proposed.

Where appropriate, 'TestMain(m *testing.M)' is also offered as
a completion.

Fixes golang/go#46896 and golang/go#51089

Change-Id: I46c05af0ead79c1d82ca40b2c605045e06e1a35d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/385974
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2022-02-25 19:27:31 +00:00
Robert Findley 5210e0ca15 gopls: wire in LangVersion and ModulePath for gofumpt formatting
If available, pass the LangVersion and ModulePath provided by
go/packages to gofumpt. This allows gofumpt to apply additional
formatting rules that require this information.

Also add a regression test for gofumpt formatting.

Fixes golang/go#51327

Change-Id: I47c8c96d595d62e1c444285ce69ce6a4e61fa74c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/387634
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2022-02-24 18:08:50 +00:00
Robert Findley fd59bdfe0d internal/lsp/source: adjust object position when formatting full AST
Thread through an adjusted object position when we format an re-parsed
AST that wasn't type-checked to produce the object. Also remove some
unnecessary handling of the object type.

Fixes golang/go#46158

Change-Id: Ic8bee2bb4cb992d577d085599213fca1deab3b4e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/384697
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2022-02-17 17:37:03 +00:00
Michael Matloob be40034de7 internal/lsp: add support for formatting go.work files
Wired through support for calling x/mod's go.work formatter on go.work
files into LSP. Tested it by hand in editor using the "Format Document"
command. Added a test case to workspace_test regtest, though I'm not
totally sure the test is correct.

For golang/go#50930

Change-Id: Ied052ded514bb36f561737698f0e2d7b488158e7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/383774
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2022-02-15 17:15:32 +00:00
Heschi Kreinick c0b9fb59f7 internal/lsp/analysis/undeclaredname: suppress impossible quick fixes
Reading the code and running the tests, it appears we only support quick
fixes for undeclared name errors inside function bodies. Don't offer
them in other places.

The specific situation raised was type constraints, so that's what I
tested even though the problem was much broader. Also add actual error
messages where we had empty strings.

Fixes golang/go#50935.

Change-Id: I8dadcb6e4301bf22cbe7fe5d66064aafeef02690
Reviewed-on: https://go-review.googlesource.com/c/tools/+/384117
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2022-02-09 19:35:26 +00:00
Heschi Kreinick 164402db9d internal/lsp/cache: set types.Config.GoVersion
Set the language version from the controlling go.mod file's go version,
if any. Also verify that we properly surface a diagnostic if the version
is invalid.

I didn't add any quick fixes.

Fixes golang/go#50688.

Change-Id: Ic472502d1224a1decb5b989d51110b837020e998
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2022-02-07 18:19:30 +00:00
Heschi Kreinick 414ec9c3f0 internal/lsp: add ListImports
The VS Code extension uses information about imports to figure out
whether a given function is a Testify test. As of writing, it asks:
- Does the file import Testify?
- Does the package it's in do so?
To answer these questions, add ListImports, which tells you about the
packages imported by the current file, including their import name,
plus the import paths of all imports in the entire package.

I suspect the latter may be wrong in the presence of GOPATH vendoring,
but that should be a relatively rare situation at this point so I didn't
bother testing.

Fixes golang/go#40514.

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2022-02-04 22:09:29 +00:00
Robert Findley 597b165f5f internal/lsp/cache: use -workfile on 1.18
When using go 1.18 with go.work files, don't fake workspaces by creating
a workspace module: just run from the workspace root and pass -workfile.

For golang/go#44696

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2022-02-04 14:03:59 +00:00
Robert Findley 3e30e21b53 gopls: remove the workspace_metadata command
Remove the workspace_metadata command, as VS Code no longer needs this
to run workspace commands (it can use go.work instead).

Updates golang/go#44696

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2022-02-04 14:02:58 +00:00
Robert Findley 25d2ab26ce internal/lsp/cache: fixes for workspace invalidation
This CL fixes a several bugs in workspace invalidation:
 - When invalidating the workspace due to a change in gopls.mod or
   go.work files, we should not update the workspace if the change does
   not parse. There was a comment to this effect, but it was not
   properly implemented.
 - Check go.work before gopls.mod, consistent with our intitial
   workspace load.
 - If we get an 'unchanged' change (such as a save) to go.work, don't
   continue looking for gopls.mod.

A regression test that inadvertently relied on our mishandling of broken
go.work files is updated to have the correct syntax. A new regtest
expectation is added to assert on a clean workspace.

For golang/go#44696

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2022-02-04 14:02:15 +00:00
Robert Findley 77f5fa5142 internal/lsp/cache: replace old go.work parser with x/mod
Gopls was using an old version of workfile support in x/mod that did not
support the 'use' syntax.

Upgrade to x/mod@master, and update tests accordingly.

For golang/go#44696

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2022-02-04 14:01:19 +00:00
pjw c009ab4a1f internal/lsp/completion: the inserted text should be what is shown to the user
CompletionItem.Label is what is shown to the user. Unless InsertText is
overridden by there being a TextEdit, InsertText should be the same
as Label.

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2022-02-03 15:40:54 +00:00
pjw 461d130035 internal/lsp: include receiver type parameters when completing receivers
In
type SyncMap[K comparable, V any] struct {}
func (s *Syn
Syn sould be completed as SyncMap[K, V], as the type parameters
are required for receivers by the language definition.

fixes golang/go#50684

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2022-02-01 13:36:13 +00:00
pjw fe74b5f080 internal/template: return available semantic tokens even on template error
Fixes golang/go#50801

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2022-01-26 20:10:56 +00:00
pjw 772a39974b internal/template: return a Source with template diagnostics
Template diagnostics now return Soure 'template' instead of no Source.

Fixes golang/go#50786

Change-Id: Ifd7f26ffcee238b7168667c259c6b0006f8c03e6
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2022-01-26 16:53:13 +00:00
Bryan C. Mills c20fd7c261 internal/lsp/regtest: eliminate arbitrary timeouts
We care that gopls operations complete within a reasonable time.
However, what is “reasonable” depends strongly on the specifics of the
user and the hardware they are running on: a timeout that would be
perfectly reasonable on a high-powered user workstation with little
other load may be far too short on an overloaded and/or underpowered
CI builder.

This change adjusts the regtest runner to use the test deadline
instead of an arbitrary, flag-defined timeout; we expect the user or
system running the test to scale the test timeout appropriately to the
specific platform and system load.

When the testing package gains support for per-test timeouts
(golang/go#48157), this approach will automatically apply those
timeouts too.

If we decide that we also want to test specific performance and/or
latency targets, we can set up specific configurations for that (as
either aggressive per-test timeouts or benchmarks) in a followup
change.

For golang/go#50582

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2022-01-25 21:51:33 +00:00
Bryan C. Mills 135972eb89 gopls/internal/regtest/codelens: use the test's deadline instead of a hard-coded timeout
We may want to generalize this to have regtest.Run always derive the
default timeout from the test's deadline. In the meantime, this is a
more targeted fix for the specific timeout in TestGCDetails.

Fixes golang/go#49902
(Maybe.)

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2022-01-24 16:28:24 +00:00
Bryan C. Mills 342596760e gopls/internal/regtest/workspace: temporarily skip TestWatchReplaceTargets
This test has a high failure rate on the builders, and the failures
appear to be mostly platform-independent. This change skips the test
until the failures can be diagnosed and fixed.

For golang/go#50748

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2022-01-21 21:08:53 +00:00
Bryan C. Mills ab35822fb7 gopls/internal/regtest/completion: temporarily skip TestPostfixSnippetCompletion
TestPostfixSnippetCompletion appears to produce racy writes to the
filesystem, and the failure mode does not seem to be
platform-specific. This skips the test to reduce noise until someone
has the time to investigate in more depth.

For golang/go#50707

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2022-01-20 14:52:25 +00:00
Robert Findley 21ca3b3a93 internal/lsp/source: parse symbol queries when using fastfuzzy
Hook up the fastfuzzy symbol matcher to our fzf-style query parsing, for
consistency with the (slow) fuzzy matcher.

In the past I had wanted to implement this natively inside the
SymbolMatcher, but it is much simpler to keep using combinators. In the
common case we'll just be using fuzzy matching.

For golang/go#50016

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2022-01-19 15:06:07 +00:00
Robert Findley 3737ecd836 internal/lsp/fuzzy: consider whole word matching in SymbolMatcher
In the new SymbolMatcher, add an additional scoring feature that
considers whether the matching pattern streak is part of a whole-word
match. This differentiates matches of "foo" against "pkg.foo" and
"pkg.foobar".

For golang/go#50016

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2022-01-19 15:05:25 +00:00
Robert Findley 7424a4db47 internal/lsp/cache: fix check for excluded paths in locateTemplateFiles
The pathExcludedByFilter helper function expects path to be relative to
the workspace folder. This is a confusing API, and led to us passing
absolute paths when checking for excluded template files.

Fix it, add a regtest, and add a TODO to clean up the API.

Fixes golang/go#50431

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2022-01-14 17:01:02 +00:00
Robert Findley a222cdb107 gopls/internal/regtest: add regression tests for template diagnostics
Add some additional regressions tests for our loading of templates based
on language ID and/or the configured templateExtensions. Move these
tests to a new regtest package "templates", so that they may be easily
run together.

Fixes golang/vscode-go#1957

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2022-01-13 20:57:08 +00:00
Robert Findley c4cfc425f2 gopls: change the default value for templateExtensions to be empty
There is no standard for go template file extensions, and users may not
want this functionality. Make template support opt-in by changing the
default value of templateExtensions to be [].

Updates golang/vscode-go#1957

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2022-01-13 20:56:24 +00:00