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Commit Graph

84 Commits

Author SHA1 Message Date
Rebecca Stambler
62a0bb781d gopls, internal/lsp: support an extra formatting hook for gofumpt
This change reworks CL 240118 to apply gofumpt directly as a formatter,
not an analyzer. Depending on how gofumpt changes, we may be able to use
it as an analyzer in the future, but for now it's just easier to add it
as a formatting hook.

Fixes golang/go#39805

Change-Id: I227fde4b1916d8a82557f30dfca88e155136dff5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241985
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-13 21:42:47 +00:00
Rebecca Stambler
01425d7016 internal/lsp/source: add Vendor to list of supported commands
I wanted to add a regtest for this, but then immediately got stumped on
how to do it well. The best I've got is to add a helper that wraps
the client's call to executeCommand, but it's used in so many places that
an easier fix was to put it in executeCommand itself.

Fixes golang/go#40101

Change-Id: Iafb804fb77e57e6ac01e3de1d115058b21ac1954
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241984
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-13 19:07:48 +00:00
Rebecca Stambler
d5a745333d internal/lsp/source: disable fillstruct by default
The discussion on golang/vscode-go#299 has uncovered the fact that
go/printer is very expensive, and we're calling it frequently on file
changes. Analyzers whose suggested fixes require the original file
content are generally posing issues; this is being discussed on
golang/go#40110.

Updates golang/vscode-go#299

Change-Id: I5cb370c9cb508203e463e7243fc781e75876fe30
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241321
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-08 00:01:38 +00:00
Josh Baum
9c9572d6f9 internal/lsp: extract highlighted selection to variable
I add a code action that triggers upon request of the user. A variable
name is generated manually for the extracted code because the LSP does
not support a user's ability to provide a name.

Change-Id: Id1ec19b49562b7cfbc2cd416378bec9bd021d82f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240182
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-07 21:12:28 +00:00
zikaeroh
0cc1aa72b3 gopls/internal/hooks, internal/lsp/source: only match full words in link regexes
The current URL regexes (including xurls) match links in any part of a
string. However, this leads to odd underlining within words which just
so happen to have valid domain names as substrings. For example, a
comment which contains "reflect.DeepEqual" will match the URL regex as
"reflect.de" is a domain name.

Ensure that the URLs only match full regex words by adding \b around the
expressions. For xurls, this is done by pulling the expression out of
Relaxed() and recreating the Regexp.

While I'm here, make the non-gopls module expression prefer the longest
match, as xurls does.

Change-Id: I403db970fa1661c443b0693c03f8dee114f8eaff
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240738
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-07-02 04:49:44 +00:00
Rob Findley
aa94e735be internal/lsp/source: add a new symbolStyle configuration option
Add a symbolStyle configuration option, and use it to parameterize the
following behavior when computing workspace symbols:

 + package (default): include package name in the workspace symbol.
 + full: fully qualify the symbol by import path
 + dynamic: use as the symbol the shortest suffix of the full path that
   contains the match.

To implement this, expose package name in the source.Package interface.
To be consistent with other handling in the cache package, define a new
cache.packageName named string type, to avoid confusion with packageID
or packagePath (if confusing those two identifiers was a problem, surely
it is a potential problem for package name as well).

Change-Id: Ic8ed6ba5473b0523b97e677878e5e6bddfff10a7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/236842
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Paul Jolly <paul@myitcv.org.uk>
2020-06-26 17:13:37 +00:00
Rebecca Stambler
e31b568ad1 internal/lsp: plumb fillstruct through analysis
Now that fillstruct is an analyzer, we can simplify the code that calls
it in code_action.go. We introduce a new class of analyzer --
convenience analyzers, which are closer to commands. These represent
suggestions that won't necessarily improve the quality or correctness of
your code, but they offer small helper functions for the user.

This CL also combines the refactor rewrite tests with the suggested fix
tests, since they are effectively the same.

For now, we only support convenience analyzers when a code action was
requested on the same line as the fix. I'm not sure how to otherwise
handle this without bothering the user with unnecessary diagnostics.

Change-Id: I7f0aa198b5ee9964a907d709bae6380093d4ef21
Reviewed-on: https://go-review.googlesource.com/c/tools/+/237687
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-15 21:22:08 +00:00
Josh Baum
a1e2396bbd internal/lsp: port fill struct into analysis framework
The current implementation of the fill struct tool is not a part of
the analysis framework. This commit moves the functionality from the
source directory to the analysis directory.

Change-Id: Ibe37b57f3e6680c8729932dbbe010a4642600e4a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/237258
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-12 20:33:59 +00:00
Rebecca Stambler
4d5ea46c79 internal/lsp: support go mod vendor as a command
In addition to adding a `go mod vendor` command option, which can be
exposed via an editor client frontend, we show a suggestion to users who
experience the "inconsistent vendoring" error message.

The main change made here is that we save the view initialization error,
and we return it if the view has absolutely no metadata. This seems
reasonable enough, but my fear is that it may lead to us showing
outdated error messages. I will spend some time improving the handling
of initialization errors in follow-up CLs.

Updates golang/go#39100

Change-Id: Iba21fb3fbfa4bca956fdf63736b397c47fc7ae44
Reviewed-on: https://go-review.googlesource.com/c/tools/+/235619
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-04 18:33:45 +00:00
Pei Xian Chee
9b20fe4cab internal/lsp: added a fill struct code action
This code action generates key-value pairs of fields and default values between a struct's enclosing braces.

Fixes #37576

Change-Id: Ia0555164d2164c2bc90bb9ecabbb55042cdd3846
GitHub-Last-Rev: 0e4db3effad7212b6c2b226079fa8fc5464eb0b9
GitHub-Pull-Request: golang/tools#220
Reviewed-on: https://go-review.googlesource.com/c/tools/+/227437
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-04 04:23:27 +00:00
Muir Manders
cf2d1e09c8 internal/lsp/source: offer smart "append()" completions
Assigning a slice to the appendage of itself is common and tedious
enough to warrant a special case completion candidate. We now offer
smarter "append()" candidates:

    var foo []int
    foo = app<> // offer "append(foo, <>)"
    fo<> // offer "foo = append(foo, <>)"

The latter is only offered if the best completion candidate is a
slice. It is inserted as the second-best candidate because it seems
impossible to avoid annoying false positives if it is ranked first.

I added a new debug option to disable literal completions. This was to
clean up some test logic that was disabling snippets for all tests
just to defeat literal completions. My tests were failing mysteriously
due to having snippets disabled, and it was hard to figure out why.

Change-Id: I3e8313e00a1409840cb99d5d71c593435a7aeb71
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221777
Run-TryBot: Muir Manders <muir@mnd.rs>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-05-20 22:05:37 +00:00
Rebecca Stambler
8018eb2c26 gopls: update dependencies in the go.mod
Change-Id: Iaf3f9d9d23f3977138978caac800c67c78bc92bd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/234338
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-05-18 20:39:08 +00:00
Heschi Kreinick
d3bf790afa internal/lsp: add Regenerate Cgo code lens
Now that we support authoring cgo packages better, we need a way to
regenerate the C definitions. Doing it automatically is very difficult;
in particular, referencing a new symbol from the C package may require
regeneration, but we don't want to do that for every typo.

For now, give the user a button and make them push it. We attach a
code lens to the import "C" line. This is vulnerable to the usual
user-didn't-save glitches.

Updates golang/go#35721.

Change-Id: Iaa3540a9a12bbd8705e7f0e43ad0be1b22e87067
Reviewed-on: https://go-review.googlesource.com/c/tools/+/234103
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-05-15 22:01:28 +00:00
Martin Asquino
2bc93b1c0c internal/lsp: add run test code lens
Change-Id: I2c47fa038c81851b2c1e689adc3812b23af55461
Reviewed-on: https://go-review.googlesource.com/c/tools/+/231959
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-05-12 13:19:52 +00:00
Paul Jolly
ca5866bcf9 internal/lsp: add config option for SymbolMatch
In preparation for later changes to the workspace Symbol method, we add
a separate configuration option keyed by "symbolMatcher" that specifies
the type of matcher to use for workspace symbol requests. We also define
a new type SymbolMatcher, the type of this new option. We require
SymbolMatcher to be a separate type from Matcher because a later CL adds
a type of symbol matcher that does not make sense in the context of
other uses of Matcher, e.g. completion.

Change-Id: Icde7d270b9efb64444f35675a8d0b48ad3b8b3dd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/228122
Reviewed-by: Robert Findley <rfindley@google.com>
2020-05-11 19:58:58 +00:00
Rob Findley
88bf40a80d internal/lsp/source: use the setString method when setting options
A couple string options were not using the asString helper. Update them,
and also add a setString helper to be consistent with setBool.

Change-Id: I38caef5b1595a3535b759e5bf1c8d350a8bf061e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/232741
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-05-08 18:47:48 +00:00
Rob Findley
cb8d9cd245 internal/lsp: support configurable codeLens
Some code lenses may be undesirable for certain users or editors -- for
example a code lens that runs tests, when VSCode already supports this
functionality outside of the LSP. To handle such situations, support
configuring code lenses via a new 'codelens' gopls option.

Add support for code lens in regtests, and use this to test the new
configuration. To achieve this, thread through a new 'EditorConfig' type
that configures the fake editor's LSP session. It made sense to move the
test Env overlay onto this config object as well.

While looking at them, document some types in source.Options.

Change-Id: I961077422a273829c5cbd83c3b87fae29f77eeda
Reviewed-on: https://go-review.googlesource.com/c/tools/+/232680
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-05-08 18:47:35 +00:00
Rebecca Stambler
2840dafb9e Revert "internal/lsp: hide analysis diagnostics from generated files"
This reverts commit e4881b2459.

Reason for revert: <CL 230999 has a different approach to this>

Change-Id: I9ec47d858e7db2a66ec8a93063ab950b8553e45b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/231042
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-04-30 19:28:56 +00:00
Rebecca Stambler
e4881b2459 internal/lsp: hide analysis diagnostics from generated files
Don't show non-vet analyses when they appear in generated files. Vet
analyzers will give useful reports even in generated files.

Fixes golang/go#38467

Change-Id: I0e628760b386553932de4cf1f5ba39784a205b53
Reviewed-on: https://go-review.googlesource.com/c/tools/+/230597
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-04-29 20:34:34 +00:00
Rob Findley
3585060312 internal/lsp/source: add option for verbose work progress reporting
In order to experiment with adding more progress reporting to gopls, add
a new experimental configuration for verbose work done reporting.

Also, pass configuration in InitializationOptions when initializing the
editor.

Change-Id: Id2336790719d9c0b6d663997e1aef672aec43d28
Reviewed-on: https://go-review.googlesource.com/c/tools/+/229458
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-04-24 19:57:22 +00:00
Rebecca Stambler
c07e33ef32 internal/lsp/source: enable type error analyzers
I had intended to enable these after gopls/v0.4.0 was released so that
people who test at master can try these out. Also, mark "fillreturns" as
high confidence so users can get it applied on save, much like
goreturns.

Change-Id: I71aa0b723b2e9b69474ceed7cb1d7da7c929d65d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/228724
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-04-17 14:00:56 +00:00
Rebecca Stambler
4d14fc9c00 internal/lsp: add type error fixes to existing diagnostics
This change is the first step in handling golang/go#38136. Instead of
creating multiple diagnostic reports for type error analyzers, we add
suggested fixes to the existing reports. To match the analyzers for
FindAnalysisError, we add an ErrorMatch function to source.Analyzer.

This is not an ideal solution, but it was the best one I could come up
with without modifying the go/analysis API. analysisinternal could be
used for this purpose, but it seemed to complicated to be worth it, and
this is fairly simple. I think that go/analysis itself might need to be
extended for type error analyzers, but these temporary measures will
help us understand the kinds of features we need for type error
analyzers.

A follow-up CL might be to not add reports for type error analyzers
until the end of source.Diagnostic, which would remove the need for the
look-up.

Fixes golang/go#38136

Change-Id: I25bc6396b09d49facecd918bf5591d2d5bdf1b3a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226777
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-04-08 01:45:16 +00:00
Rebecca Stambler
3304cfb00f internal/lsp: temporarily disable type error analyzers by default
If we release gopls/v0.4.0 soon, we should keep these new analyzers off
by default. They were just merged, so they haven't been used enough to
be enabled, I think. We'll turn them on by default for gopls/v0.5.0.

Also, ended up creating a helper function to check if analysis has been
abled (which fixed a small bug in FindAnalysisError), and another helper
function to enable all analyses for testing purposes.

Updates golang/go#38212

Change-Id: I5ee94b3582dfc0863978650fc6ce51bfa0606c13
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226962
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rohan Challa <rohan@golang.org>
2020-04-02 16:54:32 +00:00
Rebecca Stambler
69646383af internal/lsp/source: add a replacement for experimentalDisabledAnalyses
Change-Id: I5bff1db1d937ffdcb8bb4e36f05073238fbdeb5f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/226961
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rohan Challa <rohan@golang.org>
2020-04-02 14:48:50 +00:00
Rohan Challa
099440627f internal/lsp: add goreturns like functionality as quickfix
This change ports the functionality of https://github.com/sqs/goreturns
to be used as code actions on diagnostics that have missing
return values. It improves on the original goreturns functionality by:

- filling out empty return statements
- trying to match existing return values to the required return
  values and then filling in missing parameters

Fixes golang/go#37091

Change-Id: Ifaf9bf571c3bc3c61e672b0a2f725d8d734d432d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/224960
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-04-01 19:27:44 +00:00
Rohan Challa
eabff7e044 internal/lsp/analysis: add quickfix for "no new vars on left side"
This change adds a quick fix for type errors of the type "no new vars on left side of :=". It will replace the ":=" with an "=".

Updates golang/go#34644

Change-Id: I91af8eb82956104229c3b4f3d0fce60fdfdbb5ea
Reviewed-on: https://go-review.googlesource.com/c/tools/+/225477
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-27 19:15:53 +00:00
Rohan Challa
f4fcf867e7 internal/lsp/analysis: add quickfix for "no result values expected"
This change adds a quick fix for type errors of the type "no result values expected". It will replace the return statment with an empty return statement.

Updates golang/go#34644

Change-Id: I3885748dfc69a2d19f8e7a2e81f36f6d0a20d25b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223666
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-27 18:57:59 +00:00
Rohan Challa
8f81e2e6d4 internal/lsp/analysis: add quickfix for undeclared variable
This change adds a quick fix for diagnostics that have an error message of the form "undeclared name: %s". It provides a quick fix to add a new variable with that name.

Updates golang/go#34644

Change-Id: I6534ee79d1770d1a62bac169c3c7e52e2443f39e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222237
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-27 18:31:06 +00:00
Rohan Challa
42235f6384 internal/lsp: add support for type error analyzers
This change adds support within gopls for analyzers that work with type errors to provide suggested fixes.

Updates golang/go#34644

Change-Id: Ia8929173752fda6bd84a9edaabd310e758f25fe8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222761
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-27 17:27:16 +00:00
Rohan Challa
5d86d385bf internal/lsp/analysis: add simplify-slice pass from "gofmt -s"
This is one of the simplifications that "gofmt -s" applies.
https://golang.org/cmd/gofmt/#hdr-The_simplify_command

A slice expression of the form:
	s[a:len(s)]
will be simplified to:
	s[a:]

Updates golang/go#37221

Change-Id: Ibd4dedaadc9b129d5d39524f0c1ccc8a95bf7e0d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223659
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2020-03-26 21:04:57 +00:00
Rohan Challa
e428a8eca3 internal/lsp/analysis: add simplify-composite-lit pass from "gofmt -s"
This is one of the simplifications that "gofmt -s" applies.
https://golang.org/cmd/gofmt/#hdr-The_simplify_command

An array, slice, or map composite literal of the form:
	[]T{T{}, T{}}
will be simplified to:
	[]T{{}, {}}

Updates golang/go#37221

Change-Id: I2dca46501983c8af3581c9319d973da5cf690388
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223660
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2020-03-26 20:50:12 +00:00
Rohan Challa
88b9c284fd internal/lsp/analysis: add pass for unused parameters
This change adds a pass that checks for unused parameters inside of a function. It is disabled by default.

Updates golang/go#36602

Change-Id: I9e8de3368f16f27e7816ec4ddb16935e1a05584e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222817
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-26 20:36:28 +00:00
Rohan Challa
94fe02cb5c internal/lsp/analysis: add simplify-range pass from "gofmt -s"
This is one of the simplifications that "gofmt -s" applies.
https://golang.org/cmd/gofmt/#hdr-The_simplify_command

A range of the form:
	for x, _ = range v {...}
will be simplified to:
	for x = range v {...}

A range of the form:
	for _ = range v {...}
will be simplified to:
	for range v {...}

Updates golang/go#37221

Change-Id: Ic6babbd0b8ab961ebb4d0d6df72df52d9acde6e7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223661
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-26 20:18:45 +00:00
Rohan Challa
e46a7b92c0 internal/lsp: add support for sourceFixAll analyzers
This change adds support for analyzers that have suggested fixes of the kind Source.FixAll. This will allow these fixes to be applied on save if the user desires.

To auto apply these fixes on save, make sure your settings.json looks like:

"[go]": {
	"editor.codeActionsOnSave": {
		...
		"source.fixAll": true,
		...
	},
	...
}

Update golang/go#37221

Change-Id: I534e4f6c8c51ec2848cf2899aab68f587ba68423
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223658
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-26 20:01:16 +00:00
Rohan Challa
02a6ca6dc3 internal/lsp: change disabledAnalyses setting to be general
This change removes the disabledAnalyses setting and replaces it with a more general feature named "analyses". This will allow users to opt in as well as opt out of analyzers that they do not find useful. This also updates some documentation to show users what analyzers gopls is using and which are enabled by default.

Change-Id: Id3239b4c4c9667e834f262c889270d14fdba0f93
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223662
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-26 19:30:34 +00:00
Ian Cottrell
d7fc2cf50e internal/telemetry: delete the event.TagOf method
It encourages poor performing log lines, and also reduces the readability of
those lines.
Also delete the Key.With method which was unused, and should never be used
instead of the event.Label function anyway.

Change-Id: I9b55102864ee49a7d03e60af022a2002170c0fb1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222851
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
2020-03-18 13:23:15 +00:00
Marwan Sulaiman
63da46f303 x/tools/gopls: run go generate through CodeLens
This change adds support for recognizing a //go:generate directive
and offering a CodeLens that will then send a "generate" command to
the server to run "go generate" or "go generate ./...". Because
"go generate" can only be executed per package, there is no need to show
the CodeLens on top of every //go:generate comment. Therefore, only the
top directive will be considered.

The stdout/stderr of the go generate command will be piped to the logger
while stderr will also be sent to the editor as a window/showMessage

The user will only know when the process starts and when it ends so that they wouldn't
get bogged with a large number of message windows popping up. However, they can
check the logs for all the details.

If a user wants to cancel the "go generate" command, they will be able
to do so with a "Cancel" ActionItem that the server will offer to the client

Fixes golang/go#37680

Change-Id: I89a9617521eab20859cb2215db133f34fda856c7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222247
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-17 04:34:34 +00:00
Ian Cottrell
206ec5b82a internal/lsp: migrate telemetry to using the event package
Change-Id: Idc662385ed08bd62593ccd1d54afd3fa8c1a7d29
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222558
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-03-12 03:59:16 +00:00
Rohan Challa
e4e22f76d0 internal/lsp: support when hierarchicalDocumentSymbolSupport is false
This change adds support when hierarchicalDocumentSymbolSupport is false, this can happen with editors who have not supported textDocument/DocumentSymbol. As a result, these older lsp clients need to recieve []protocol.SymbolInformation rather than []protocol.DocumentSymbol. This change required some changes to internal/lsp/cmd to handle not knowing which type it is receiving, this required manual parsing inside of cmd/symbols.go.

Fixes golang/go#34893

Change-Id: I944ae24302f155b561047227f65bee34b160def1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221823
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-03-06 18:17:37 +00:00
Rohan Challa
98b3097d01 internal/lsp: add codelens for go.mod dependency upgrades
This change adds a code lens for go.mod files that will let a user know if a module can be upgraded, once it is clicked gopls will run a command to update that module.

Updates golang/go#36501

Change-Id: Id22b8097ede4972cf73bc029ec927544a71b7150
Reviewed-on: https://go-review.googlesource.com/c/tools/+/218557
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-02-14 14:15:08 +00:00
Rohan Challa
0abbfa5d31 internal/lsp: turn tempModfile flag on by default
This change turns the tempModfile flag on by default in the master branch.

Change-Id: If96369aee4e970421a80d5ff89385a38c7ccf0b2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/219225
Run-TryBot: Rohan Challa <rohan@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-02-13 15:33:58 +00:00
Rebecca Stambler
6822f1ada4 internal/lsp: disable nilness analyzer, unless staticcheck enabled
Users with staticcheck enabled will be more tolerant of increased RAM
usage. We might be able to disable this check entirely once the next
version of staticcheck is released with a similar analysis (https://staticcheck.io/docs/checks#SA5011).

Change-Id: I1a844cc226e34e0f62222f12912797a6cc9d06e2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/219018
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-02-11 20:49:38 +00:00
Rebecca Stambler
8bb641bf89 internal/lsp/source: default to full documentation for hover
I'm starting to think that it might make more sense to show all
documentation on hover as a default. A number of people have requested
this behavior, and I think it would help ensure a more consistent
experience for users. We had originally defaulted to the synopsis
because VS Code Go had this behavior, but I see no reason to follow that
as a guideline.

Change-Id: I67aa530d253422550f59b5583e4c4a90ebd48f5b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/217727
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-02-07 21:32:44 +00:00
Rob Findley
b4fe758a9b internal/lsp/source: don't allow mutating DefaultOptions
DefaultOptions was a value type, but held map values. This CL changes it
to a function that returns an Options value that has new instances of
all reference types. It would be better if this function returned a
pointer, but that change ended up being too large. I will need to
refactor handling of options later anyway, in order to support sessions
with differing options for golang.org/issues/34111.

This fixes a race in internal/lsp/tests: internal/hooks/analysis.go
mutates the Analyzers map.

See for example the trybots result at:
https://storage.googleapis.com/go-build-log/0d34f5f0/linux-amd64-race_4ecdf9c8.log

Change-Id: I41be450b590a3f3104ac9a1cb9cb312ea3ff7ff4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/217077
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-01-31 15:48:08 +00:00
Rebecca Stambler
7736277c76 internal/lsp: remove shadow analysis from default suite
Mostly because I find it very annoying.
But I imagine lots of people shadow variables intentionally, and it's
very noisy.

Also, fix an error caught by the nilness check while I'm thinkng about
analyses.

Change-Id: I1867c8613194028815666efd879899bb5065c9d7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/216541
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-01-27 21:40:33 +00:00
Michael Matloob
f3a16861ae internal/lsp/source: add more go/analysis/passes analyzers to LSP's suite
The LSP already supports a bunch of analyses we have less confidence in
than the vet suite so we should add these too.

Updates golang/go#36639

Change-Id: Ifc37d09e3acd73de021be7b45b3d80fe8c00e0d7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/215677
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-01-27 19:05:40 +00:00
Rebecca Stambler
1b668f2091 internal/lsp: disable literal completion candidates for some clients
If a client doesn't support the snippet format in completion insert
text, they can't take full advantage of the literal completion
candidates. Disable it in those cases, and remove the setting in
internal/lsp/source/options.go.

Fixes golang/go#36655.

Change-Id: Ibc045a0f2945aab753b0187194a03d0c0398dba5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/216299
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-01-24 20:07:20 +00:00
Heschi Kreinick
0cba7a3a9e internal/lsp/source: enable unimported completions by default
Fixes golang/go#31906.

Change-Id: I626ff1fe94a171d2280d9deeb4578b5abc759913
Reviewed-on: https://go-review.googlesource.com/c/tools/+/214947
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-01-17 22:05:05 +00:00
Rob Findley
df87866820 internal/lsp,internal/telemetry: correct stale docstrings
Several docstrings reference earlier names for the symbols they
document. This CL corrects those that I noticed while reading the lsp
code.

Change-Id: I1968459feff7011e070333c99eb149e72d3302de
Reviewed-on: https://go-review.googlesource.com/c/tools/+/214801
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-01-15 14:25:42 +00:00
Rebecca Stambler
8f45075ebc internal/lsp: merge completion options into source.Options
This change flattens the completion options type into UserOptions and
DebuggingOptions, which will enable us to generate documentation for
these options more effectively. This results in some modifications in
the tests.

Additionally, the fuzzyMatching and caseSensitive boolean flags are
merged into one setting, matcher, which can be used to specify the type
of matcher that is used for completion. Other requests (notably
workspaceSymbols) may need to use a matcher in the future.

Change-Id: I185875e50351be4090c7a2b3340d40286dc9f4a0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/212635
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-01-13 20:09:44 +00:00