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Commit Graph

5157 Commits

Author SHA1 Message Date
Rebecca Stambler
134513de88 internal/lsp/regtest: await IWL before running tests
This change makes these tests a little more resilient by making sure
that the initial workspace load is completed before we run them.

Change-Id: I24735da31cc045cb78dfb280e88136b5835351a6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241276
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-08 00:37:08 +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
Heschi Kreinick
065b96d36c internal/lsp/cache: fix race in RunProcessEnvFunc
Changing build flags (-modfile) while work is happening in the
background causes races. Explicitly detect relevant configuration
changes and only modify the ProcessEnv then, when the resolver is
inactive after the call to ClearForNewMod.

This still leaves a very small window for a race: if refreshProcessEnv
has already captured env but not yet started priming the cache, it may
race with the modification. But I don't expect it to be a problem in
practice.

Fixes golang/go#39865.

Change-Id: I31c79f39be55975fee14aa0e548b060c46cdd882
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241317
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-07 22:21:32 +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
Heschi Kreinick
416e8f4faf internal/imports: require valid options, move LocalPrefix up
CL 239754 eagerly initialized the environment. This turns out to be a
problem for gopls, which calls ApplyFixes with no ProcessEnv.
Reinitializing it every time seriously harmed the performance of
unimported completions. Move back to lazy initialization.

Working with invalid options has caused a lot of confusion; this is only
the most recent. We have to maintain backwards compatibility in the
externally visible API, but everywhere else we can require fully
populated options. That includes the source byte slice and the options.

LocalPrefix is really more of an Option than an attribute of the
ProcessEnv, and it is needed in ApplyFixes where we really don't want to
have to pass a ProcessEnv. Move it up to Options.

Change-Id: Ib9466c375a640a521721da4587091bf93bbdaa3c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241159
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-07 20:02:13 +00:00
Josh Baum
9e0a013e85 internal/lsp/analysis/fillstruct: support anonymous structs
The previous implementation did not support filling anonymous structs.
This is distinct from filling a struct that has an anonymous
struct as a field. That field will still not be filled.
golang/go#39929 has been opened to address this limitation.

Fixes: golang/go#39803
Change-Id: Ia7ba9fda2bdee092d182e0a23829b9a6d9a4b986
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240463
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-07 13:47:15 +00:00
itchyny
b22de6825c cmd/goyacc: print newlines more consistently
Change-Id: I7ba77f0f28374b1ef2a5d08c0c273ad2fb5523c8
GitHub-Last-Rev: dfbff0bf0acaa333a72fadca81eb4b75e9f3716e
GitHub-Pull-Request: golang/tools#240
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241040
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-07-06 23:41:17 +00:00
Rebecca Stambler
682c4542fd all: update dependencies in go.mod file
CL 226639 changed the positions of the go.mod diagnostics (in a
negligible way), but the tests are quite brittle and can't handle the
different position. Rewrite this test as a regression test to handle it.

The special // indirect marker can be removed from the go/expect package
as a result, since it was only used in this one place.

Change-Id: I7d9a62e32e53d477838e65673635ed231c07b659
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240691
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-06 23:19:48 +00:00
Søren L. Hansen
95bc2bdf7e internal/lsp/source: handle nil pointer in comment completions
c.pkg.GetTypeInfo().ObjectOf(node.Name) will sometimes return nil.
Check for that and a few other things that c.found also checks for.

Fixes golang/go#40043

Change-Id: I4a2b40adbbd740323e10b3460f025b29cff74130
Reviewed-on: https://go-review.googlesource.com/c/tools/+/241019
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-06 18:08:31 +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
Rebecca Stambler
f01a4bec33 internal/lsp: support opening single files
This change permits starting gopls without a root URI or any workspace
folders. If no view is found for an opened file, we try to create a new
view based on the module root of that file. In GOPATH mode, we just
use the directory containing the file.

I wrote a regtest for this by adding a new configuration that gets
propagated to the sandbox. I'm not sure if this is the best way to do
that, so I'll let Rob advise.

Fixes golang/go#34160

Change-Id: I3deca3ac1b86b69eba416891a1c28fd35658a2ed
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240099
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-01 22:10:12 +00:00
Rebecca Stambler
ea7be8d74e internal/lsp/regtest: add regression tests for on-disk file changes
There are still many more cases to check, but this is a good starting
point. A few tests have skips in them because I encountered bugs, which
I plan to go back and fix.

Change-Id: I0b7bbeb632d38c09d6bdb1f4866d81a1690d6ca7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238917
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-01 22:06:37 +00:00
Hana (Hyang-Ah) Kim
7cb253f4c4 gopls/doc/troubleshooting.md: update the gopls output channel name
Since v0.15.0, VS Code Go extension uses the `gopls (server)` channel
for the server-side logging.

Change-Id: I6dc2125af59562576d20e29a0801be6b4ce394bb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240677
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-01 15:12:20 +00:00
Muir Manders
1837592efa internal/lsp/source: speed up completion candidate formatting
Completion could be slow due to calls to astutil.PathEnclosingInterval
for every candidate during formatting. There were two reasons we
called PEI:

1. To properly render type alias names, we must refer to the AST
   because the alias name is not available in the typed world.
   Previously we would call PEI to find the *type.Var's
   corresponding *ast.Field, but now we have a PosToField cache that
   lets us jump straight from the types.Object's token.Pos to the
   corresponding *ast.Field.

2. To display an object's documentation we must refer to the AST. We
   need the object's declaring node and any containing ast.Decl. We
   now maintain a special PosToDecl cache so we can avoid the PEI call
   in this case as well.

We can't use a single cache for both because the *ast.Field's position
is present in both caches (but points to different nodes). The caches
are memoized to defer generation until they are needed and to save
work creating them if the *ast.Files haven't changed.

These changes speed up completing the fields of
github.com/aws/aws-sdk-go/service/ec2 from 18.5s to 45ms on my laptop.

Fixes golang/go#37450.

Change-Id: I25cc5ea39551db728a2348f346342ebebeddd049
Reviewed-on: https://go-review.googlesource.com/c/tools/+/221021
Run-TryBot: Muir Manders <muir@mnd.rs>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-07-01 04:11:22 +00:00
Rebecca Stambler
9a0e069805 internal/lsp/cmd: change pre-filled issue header for gopls bug
Change-Id: I221f2e6a0dc41cfd8325df64607b5c625d69ca17
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240503
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2020-07-01 03:39:15 +00:00
Rebecca Stambler
a32c0cb1d5 internal/lsp: decorate error message from workspace/configuration
Fixes golang/go#39896

Change-Id: Ib63e3b4b716f6005b3cbbc92ede40fdbfc8ca22f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240619
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-07-01 00:03:37 +00:00
Rebecca Stambler
c138986dd9 go/packages: move all overlay tests into overlay_test.go
It's hard to see what tests we have for overlays right now. Centralize
them all in overlay_test.go.

Change-Id: I8e48c2332771a9b73997775780ab14a798a4086b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240184
Reviewed-by: Michael Matloob <matloob@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-30 22:39:51 +00:00
TheSecEng
b2d8b03366 internal/lsp: remove VS Code-specific completion hack
This hack was previously being used to correct the rankings for VS Code
Go users. This logic has since been moved into the VS Code Go plugin.

Change-Id: Ia6bff53eb2c6dbe479faa1fd0667d763837eea78
GitHub-Last-Rev: e7fed76b3f85b0db3b705cbb6945cecd855d2c7b
GitHub-Pull-Request: golang/tools#225
Reviewed-on: https://go-review.googlesource.com/c/tools/+/231098
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-30 15:48:51 +00:00
Rebecca Stambler
4bdfe1a3b7 internal/lsp/cache: handle a few possible panics in PackageStats
Change-Id: I50dbe8bf7d801e7325bdbe413368e85779511d85
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240183
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-30 15:45:28 +00:00
Josh Baum
aa3d50130b internal/analysisinternal: prevent fillstruct panic on nil package
The previous implementation missed a nil check which caused a panic
when the package of a type was nil.

Fixes: golang/go#39899
Change-Id: I2dfb50d6b79f52df367e093e5d857cd70b7cef27
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240537
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-30 14:51:37 +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
Paul Jolly
84cfedeb1e internal/lsp: fully qualify workspace Symbol matches
Fully qualify (using a package's import path) symbols when matching
them. This is a minimal change in preparation for later changes to add
more advanced query functionality to the workspace Symbol method.

Add more comprehensive regtest tests (covering case sensitive, case
insensitive and fuzzy matchers) in addition to updating lsp tests.

Change-Id: I675cde2f7b492158988cf9c3206a0a55fe29622a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/228123
Reviewed-by: Robert Findley <rfindley@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-26 16:54:09 +00:00
Rebecca Stambler
bcbc01e07a internal/lsp: add a new regtest to reproduce golang/go#39646
Change-Id: I51d8c66a83ecae1c8fc1f39c0e90a03a732c263b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240063
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-06-26 03:28:29 +00:00
Rob Findley
6506e20df3 internal/lsp/fake: explicitly set GOPACKAGESDRIVER=off in regtests
In the past, changes to GOPACKAGESDRIVER have led to some confusing
regtest failures. Explicitly set it off.

Updates golang/go#39384

Change-Id: I303a58380a5e46e6621c19b2edc40d43199bb343
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240058
Run-TryBot: Robert Findley <rfindley@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-25 21:18:23 +00:00
Rebecca Stambler
fadf93ffb2 internal/lsp: watch all files in the module and replace target
Previously, our file watching only considered the root directory of the
view, which may not include the entire module or its replaced
dependencies. Now we expand our watching to include the whole module.

As part of testing this, I noticed that VS Code's file watcher actually
only sends updates for files in the workspace, even if we request
notifications for all files in the module. I filed an issue to ask about
this: https://github.com/microsoft/vscode-languageserver-node/issues/641.

Change-Id: I9499d31aff273f69e9c117511e7985ff58b7fdc4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239198
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-25 21:08:52 +00:00
Annirudh Prasad
7480c7b454 goimport: prevent panic on parsing local prefix
The existing flag parsing logic doesn't initialize a ProcessEnv struct,
which results in a nil dereference when trying to access the LocalPrefix
property. The fix is to initialize the default options with an initialized
ProcessEnv.

Fixes #39862

Change-Id: I57cff249d6bf0ced6bb70e53174b2515fe9fbb97
GitHub-Last-Rev: 2d6e5f3af226088ddc4ed88198edd5c5ea469240
GitHub-Pull-Request: golang/tools#239
Reviewed-on: https://go-review.googlesource.com/c/tools/+/240019
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Heschi Kreinick <heschi@google.com>
2020-06-25 19:53:45 +00:00
Heschi Kreinick
e31c80b82c all: rework goimports environment, support GOMODCACHE
This CL got away from me a little.

For a number of reasons, the existing goimports API of passing in values
for various GO* values was not working. For one, the number of necessary
variables kept growing. For another, we tried to avoid calling `go env`
in GOPATH mode by using `build.Default`, but that turns out to be buggy;
see golang/go#39838. And finally, it created massive confusion about
whether the values were intended to be read from the OS environment, or
fully evaluated by the `go` command.

There are only two users of the internal imports API, so there really
shouldn't need to be more than two modes. For the command line tool, we
have to call `go env` to deal with the `go/build` bug. So we just do it.
Tests use that same path, but can augment the enviroment to set
themselves up. In contrast, `gopls` needs to fully specify the
environment. It can simply pass in the fully evaluated GO* values.

Finally, make the change I was actually here to make: propagate
GOMODCACHE and use it where appropriate.

Fixes golang/go#39761.

Change-Id: I720c69839d91d66d98e94dfc5f065ba0279c5542
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239754
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-25 17:33:20 +00:00
Josh Baum
727c06e3f1 internal/lsp/analysis/fillstruct: correct pointer to builtin values
The current implementation correctly calls 'new' when filling a
pointer to a builtin type.

Fixes: golang/go#39854
Change-Id: I0c2b27bb57fd865c4376279059ad060608d48ba3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239978
Run-TryBot: Josh Baum <joshbaum@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-25 16:34:51 +00:00
Rebecca Stambler
aa12c9ebf5 internal/lsp: handle panics due to line numbers in fillstruct
Change-Id: I90f3fd2daf180705048d494476acac5a213f5fb3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239751
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Baum <joshbaum@google.com>
2020-06-25 15:39:20 +00:00
Heschi Kreinick
88f3c62a19 internal/span: handle file URLs with two slashes
Correct file URLs should have three slashes: two for the protocol
(file://) and one for the beginning of the path. Perhaps unsurprisingly,
VS Code is sending us URLs with only two. Add the third.

Fixes golang/go#39789

Change-Id: I922b3adf1d5980991a43229d952d77fecaf1366b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239743
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-24 22:54:43 +00:00
Rebecca Stambler
7a9acb0a45 internal/lsp/source: fix panic in test code lens
Change-Id: I727b2772c63752cb5d3bb4b9165f984b64adc842
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239752
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-06-24 22:30:20 +00:00
Rebecca Stambler
25775e59ac internal/memoize: add an error return to (*handle).Get
Fixes golang/go#36004

Change-Id: I8da7c21eaa9cf6ffac12aabdd6803d06781cef32
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239564
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-24 16:33:19 +00:00
Thomas
dcbf2a9ed1 internal/jsonrpc2: omit empty error data
The spec states error data may be omitted. It is currently always encoded
as null, despite having no usage.

Omit the field if empty, and add a test to prove the behaviour.

Fixes golang/go#39736

Change-Id: Icdb39409010f3a42f84d2372c2061e4bc7cc198e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239059
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2020-06-24 06:08:01 +00:00
Rebecca Stambler
f8e0ea3a3a internal/lsp/analysis/fillstruct: add indentation for struct fields
Getting the right indentation for the text in the AST proves to be a
little complicated. The most reasonable approach seems to be writing
out the AST, getting the lines with the struct definition on it,
and trimming whitespace to get the current indent. Then, we add this
indent to the struct fields in the new text.

Change-Id: I1cc3421d95edae61cfb662254ff3fb759b5c487f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239199
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-23 20:47:33 +00:00
Josh Baum
456ad74e14 internal: fill struct with initialized values instead of nil values
The previous implementation filled map, slice, channel, signature, and
pointer types with nil values rather than initializing these types.

Change-Id: I558446af31fdd8877db5eb3cd92b4004f5d5ab22
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239039
Run-TryBot: Josh Baum <joshbaum@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-23 18:51:56 +00:00
Rebecca Stambler
1745ac5bc6 internal/lsp: refactor various module-specific handles in cache
This change separates out different functions of mod handles.
Previously, we had ModHandle and ModTidyHandle. ModHandle was used to
parse go.mod files and get the results of `go mod why` and possible
dependency upgrades.

Now, we factor this out into 4 handles: ParseModHandle, ModWhyHandle,
ModUpgradeHandle, and ModTidyHandle. This allows each handle to be
specific to its own functionality. It also simplifies the code a bit,
as the handles can be written in terms of ParseModHandles instead of
FileHandles.

I may have some follow-up CLs to refactor the `go mod tidy` logic out of
the cache package, though I'm no longer certain that that's a good
choice.

Change-Id: I8e12299dfdda7bb61b05903d9aa474461d7f4836
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239117
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-23 18:31:46 +00:00
Carlos Iriarte
ff88973b1e gopls/integration: fix typo aloso => also
Change-Id: Id66e75957bda73f5e4aec98a887b61b834e620ef
GitHub-Last-Rev: 6f8b75c0388de580a0a8bdde6191431c6e1c873a
GitHub-Pull-Request: golang/tools#235
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238497
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-23 04:56:35 +00:00
Rebecca Stambler
20e05c1c8f internal/lsp: don't use -modfile for go mod commands
These are commands whose changes should be reflected in the existing
go.mod file, as they do not provide edits. Add a third way of running
the go command, explicitly without -modfile. Update the regression test
accordingly.

Change-Id: I866b5db83b504fae190e58c306c01a7a4296672d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239200
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-22 20:30:43 +00:00
Heschi Kreinick
4fd1c64487 internal/lsp/cache: fix ignored file check
The return of IgnoreFile. We continue using go list's ignore rules,
but only apply them to the part of the path underneath the source root.

This should be fixed to include replace targets once we have them.

Change-Id: I054fee8c12fc860a279b0d0c1fd670f44d78a63f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239288
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2020-06-22 19:29:24 +00:00
Ian Cottrell
fcc5b64fe1 internal/jsonrpc2: don't set result in response if there is an error
Marshalling an empty raw message produces a null rather than omitting the field
Instead we do not set the field unless there is no error.
Includes a test that reproduced the issue before the fix.

Fixes golang/go#39719

Change-Id: I683b8ea55d3425613fc956993280ff51202f49fc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239097
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-06-22 15:00:58 +00:00
Josh Baum
0f592d2728 internal/lsp/analysis/fillstruct: use AST nodes to fill struct
The current implementation writes strings to the diagnostic instead
of creating new AST nodes.

Change-Id: Ibb37a93a3c43fb74ec5dc687091601e055c6e1b4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238198
Run-TryBot: Josh Baum <joshbaum@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-19 21:01:11 +00:00
Rebecca Stambler
6c6fd98e38 internal/lsp: fix panic in computing diagnostics for module
We were returning empty diagnostics for an empty file.

Fixes golang/go#39696.

Change-Id: Idfd50980f4bf771f76ad7b7fb6180a5f712a92bf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239040
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-19 20:49:21 +00:00
Rebecca Stambler
7c47624df9 internal/gocommand: use semaphores to ensure correct serialization
Piped go commands cannot run concurrently, as a user may be looking at
the stdout/stderr, and we don't want to show any load concurrency
errors. We use a semaphore with a maximum number of in-flight go
commands to make sure that all running go commands have completed before
starting a piped command.

Change-Id: Ie027d9ff704fb7dd9640da06569345e89ed7a012
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238059
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-19 18:00:55 +00:00
Heschi Kreinick
8b7669898d internal/lsp/debug: save per-package stats in memory debug files
The per-package stats have proven pretty useful, and I don't want to
have to teach users how to save them. Create zip files and add them in.

Since some users may be sensitive about revealing any information about
the code, generate two variants: one with package names, and one
without.

Change-Id: Icc5631b4cebbbabfdd2fcea4a4cdf4f205dbcab9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239037
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-06-19 18:00:37 +00:00
Rebecca Stambler
6023b8da91 internal/lsp: use -modfile for import organization
Also add a regression test.

Fixes golang/go#39681.

Change-Id: I685fbe4255b9e8e067dacd84a6d464d0a2bbe1f1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238737
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-06-19 17:44:56 +00:00
Pontus Leitzler
aaae6734f9 internal/lsp/cmd: add example to cli help for -ocagent flag
I've forgotten to specify scheme a few times, and gopls is quiet
about invalid ocagent addresses.

Add an example to the CLI help output aid the users with the format
implicitly.

Change-Id: I89ba8a16c18dabff2b4b87b2235755c22ae71117
Reviewed-on: https://go-review.googlesource.com/c/tools/+/239057
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-19 16:26:05 +00:00
Pontus Leitzler
037be6a065 internal/lsp/source: support highlight of switch statements
Placing the cursor on a switch statement or corresponding break and call
document.Highlight will now highlight them.

Fixes golang/go#39275

Change-Id: Ib7e3ba0c6e78141ed3dd37cfd3b72b567b857247
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238478
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-19 02:36:21 +00:00
Rebecca Stambler
c7475b9d7f internal/lsp/source: refactor highlighting code
The current implementation has a number of helper functions that have to
thread through context, errors, converters, etc. Simplify the code by
factoring out the conversion to a protocol range into a final step.
There are probably further improvements that can be made too.

As part of debugging, I noticed that the cmdtest server does not get
shutdown once tests finish, which leads to excessive logging. Is closing
the test server connection enough to trigger shutdowns? It doesn't seem
to be.

Change-Id: Ia67666f6b8debccd120795bb24bd089620c0a87b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238377
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-06-18 15:59:44 +00:00
Rob Findley
20370b0cb4 internal/lsp: honor GOPRIVATE in documentLinks and go.mod hovers
Several fixes related to GOPRIVATE handling and links:
 + In Go source, fix links matching GOPRIVATE for external modules.
   Previously, in these cases we'd try to match <mod>@v1.2.3/<suffix>,
   which wasn't the correct input into the GOPRIVATE matching algorithm.
 + Similarly check GOPRIVATE for go.mod require statement hovers.
 + Likewise, for documentLink requests (both mod and source).
 + Move the existing hover regtest to link_test.go, and expand to cover
   all these cases.

Along the way, I encountered a couple apparent bugs, which I fixed:
 + Correctly handle the case where there is only one require in a go.mod
   file. This was exercised by the regtest, so took some debugging.
 + Only format links [like](this) if the requested format is actually
   markdown.

Fixes golang/go#36998

Change-Id: I92011821f646f2a7449dcca619483f83bdeb54b0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238029
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2020-06-18 13:42:42 +00:00
Rob Findley
9b4b92067d internal/jsonrpc2/servertest: replace closerList with connList
closerList was already unnecessarily abstract, and tracking connections
will allow us to also wait for all connections to finish.

Share functionality by embedding this type in PipeServer, TCPServer.

Change-Id: Ib2cb2157c1477f904bc278aa91902f5c633afe13
Reviewed-on: https://go-review.googlesource.com/c/tools/+/238547
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2020-06-18 12:08:28 +00:00