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Commit Graph

38 Commits

Author SHA1 Message Date
pjw
5091d647ee internal/lsp: reorganize the generated Go code for the lsp protocol
Code generation has been unified, so that tsprotocol.go and tsserver.go
are produced by the same program. tsprotocol.go is about 900 lines shorter,
partly from removing boilerplate comments that golint no longer requires.
(And partly by generating fewer unneeded types.)

The choice made for a union type is commented with the set of types. There
is no Go equivalent for union types, but making themn all interface{}
would replace type checking at unmarshalling with checking runtime
conversions.

Intersection types (A&B) are sometimes embedded (struct{A;B;}, and
sometimes expanded, as they have to be if A and B have fields with the
same names.

There are fewer embedded structs, which had been verbose and confusing to
initialize. They have been replaced by types whose names end in Gn.

Essentially all the generated *structs have been removed. This makes
no difference in what the client sends, and the server may send a {}
where it previously might have sent nothing. The benefit is that some
nil tests can be removed. Thus 'omitempty' in json tags is just
documentation that the element is optional in the protocol.

The files that generate this code will be submitted later, but soon.

Change-Id: I52b997d9c58de3d733fc8c6ce061e47ce2bdb100
Reviewed-on: https://go-review.googlesource.com/c/tools/+/207598
Run-TryBot: Peter Weinberger <pjw@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-11-18 19:51:19 +00:00
Rebecca Stambler
80313e1ba7 internal/lsp: fix panic in bestView
Rather than panicking when we have not created any views for the packages,
we should show a reasonable error to the user. This change propagates the
errors to the user.

Updates golang/go#35599

Change-Id: I49789d8ce18e154f111bc3584488f468a129e30c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/207344
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2019-11-16 21:44:31 +00:00
Rebecca Stambler
e33b02e766 internal/lsp: use versioned URIs in rename and code actions
This change adds support for returning versions along with file URIs, so
that the client can know when to apply changes. The version is not yet
propagated along to the internal/lsp/cache package, so this change will
have no effect (VS Code ignores a version of 0 and still applies the
changes).

A few minor changes made in the rename code (to remove the view
parameter). Some minor staticcheck fixes.

Updates golang/go#35243

Change-Id: Icc26bd9d9e5703c699f555424b94034c97b01d6f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/206882
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-11-13 05:52:40 +00:00
Rebecca Stambler
2077df3685 internal/lsp: remove analyzers from Analyze result
Also, address minor comments that I ignored from Heschi because I am
obnoxious.

Change-Id: I99dcac38578585af2cdd951dd2b9755732ef945f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/203281
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-10-25 02:35:17 +00:00
Rebecca Stambler
3d91e92cde internal/lsp: stop caching diagnostics on the package
Now that we are using the memoize package to cache analysis results, we
can use that cache for suggested fixes.

Change-Id: I42905a6fe575f49d38979d53d58ea8ec59210ae0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/203278
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-10-24 22:03:59 +00:00
Muir Manders
c8fcd6ab79 internal/lsp: don't offer empty "Organize Imports" action
If there are no imports that need organizing, don't send the "Organize
Imports" code action.

Change-Id: Id01521edd1524fb3f7372fd787d6c90418740cf3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/202825
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-10-23 19:47:20 +00:00
Rebecca Stambler
638914d249 internal/lsp: return an error from {Narrowest,Widest}CheckPackageHandle
This will prevent us from panicking in cases with errors.

Fixes golang/go#34824

Change-Id: I02c20655f6926ec00c1591a905ff5a107cc44192
Reviewed-on: https://go-review.googlesource.com/c/tools/+/200300
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-10-11 16:51:06 +00:00
Rebecca Stambler
57610eddc9 internal/lsp: rework snapshots and cache FileHandles per-snapshot
This change does not complete the work to handle snapshots correctly,
but it does implement the behavior of re-building the snapshot on each
file invalidation.

It also moves to the approach of caching the FileHandles on the snapshot,
rather than in the goFile object, which is now not necessary.

Finally, this change shifts the logic of metadata invalidation into the
content invalidation step, so there is less logic to decide if we should
re-load a package or not.

Change-Id: I18387c385fb070da4db1302bf97035ce6328b5c3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/197799
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-10-01 16:26:22 +00:00
Rebecca Stambler
3af8461759 internal/lsp: associate code action diagnostics with suggested fixes
Instead of relying on the diagnostics cached on the package, use the
diagnostics sent by the code action when computing suggested fixes.

Change-Id: I77f7fd468b34b824c6c5000a51edbe0f8cc6f637
Reviewed-on: https://go-review.googlesource.com/c/tools/+/197097
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-24 23:33:35 +00:00
Rebecca Stambler
1081e67f6b internal/lsp: support running go mod tidy as a code action
This changes adds basic support for running `go mod tidy` as a code
action when a user opens a go.mod file. When we have a command
available like `go mod tidy -check`, we will be able to return edits as
part of the codeAction. For now, we execute the command directly.

This change also required a few modifications to our handling of file
kinds so that we could distinguish between a Go file and a go.mod file.

Change-Id: I343079b8886724b67f90a314e45639545a34f21e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/196322
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-20 13:08:46 +00:00
Rebecca Stambler
3b4f30a44f internal/lsp: remove helpers for getting packages
We had too many options for functions to use to get type information for
a package. Now we stick with having one option to get the check package
handles, and then the caller can refine the results as needed.

Change-Id: I81f69a670e1539854ee23b6f364159a7de9b782f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/194457
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-17 16:23:42 +00:00
Rebecca Stambler
c7d52e45e2 internal/lsp: use the view options, not the session options
Previous changes to the config mechanism made the config options
per-view, not per-session. We should now make sure to obey config
changes per-view. This does not fix the configuration handling for
"watchChangedFile" however. This should be done in a future CL.

Change-Id: I73f6236386c36d2587fdb9c0601670833a4366c3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/194818
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-09-11 22:59:40 +00:00
Michael Matloob
75be6cdcda internal/lsp: enable suggested fixes by default
Remove the wantSuggestedFixes flag, and run the flagged code
by default.

Add test cases for suggested fixes.
Generate a suggested fix to the assign analysis that suggests removing redundant assignments.
Fix the propagation of suggested fixes (using rstambler's code).

Change-Id: I342c8e0b75790518f228b00ebd2979d24338be3b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/193265
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-09-09 19:40:07 +00:00
Rebecca Stambler
2ca718005c internal/lsp: use protocol.TextEdits in suggested fixes
Change-Id: I8b454dd8c59839468ecfcb19b7edfa659e386b57
Reviewed-on: https://go-review.googlesource.com/c/tools/+/193957
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-07 02:01:28 +00:00
Rebecca Stambler
bb4ee55d3d internal/lsp: change to protocol.TextEdit for formatting
The next in the sequence of CLs to convert to using protocol positions.

Change-Id: Ib3421bfc73af1b546b60c328ca66528cb9031e19
Reviewed-on: https://go-review.googlesource.com/c/tools/+/193719
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-09-06 17:54:09 +00:00
Ian Cottrell
f1f4a3381f internal/lsp: move configuration options to structs
This cl is the first in a set that change the configuration behaviour.
This one should have no behaviour differences, but makes a lot of preparatory changes.
The same options are set to the same values in the same places.
The options are now stored on the Session instead of the Server
The View supports options, but does not have any yet.

Change-Id: Ie966cceca6878861686a1766d63bb8a78021259b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/193726
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-09-06 17:30:54 +00:00
Suzy Mueller
a0cf054a45 internal/lsp: initialize CodeActionProvider with supported actions
Send the code action kinds that we support, if codeActionLiteralSupport
is specified. Editors may use the CodeActionKinds that we support to
determine UI layout for example.

Change-Id: Iee368aa02c26f4395bb2894593ef38d84d3283b7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/191620
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-08-28 21:14:09 +00:00
Rebecca Stambler
547ecf7b1e internal/lsp: use protocol.Range in completion items
This change switches Completion to use protocol positions instead of
token.Pos.

Change-Id: I012ce03c9316d8363938dd0156f485982b7e04fe
Reviewed-on: https://go-review.googlesource.com/c/tools/+/190600
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-08-20 20:57:17 +00:00
Rebecca Stambler
6889da9d54 internal/lsp: separate out getMapper function
This is a super minimal change that will simplify the diffs for when I
actually delete the getMapper function.

Change-Id: I16984b344c87b3645fd451668b6ea747c5be12ab
Reviewed-on: https://go-review.googlesource.com/c/tools/+/190557
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-08-16 20:05:58 +00:00
Rebecca Stambler
a857023c21 internal/lsp: use protocol.Range for diagnostics instead of span.Span
This is the first in a series of many changes that will change the API
of the source package to use different types for positions. Using
token.Pos is particularly fragile, since the pos has to refer to the
specific *ast.File from which it was derived.

Change-Id: I70c9b806f7dd45b2e229954ebdcdd86e2cf3bbbb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/190340
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-08-16 17:06:24 +00:00
Ian Cottrell
156eb2ae29 internal/lsp: split the telemetry library out
This is a straight move of some code with no changes.
It splits the part of the telemetry code that will become a standalone library from the bit that belongs in the lsp.

Change-Id: Icedb6bf1f3711da9251450531729984df6df7787
Reviewed-on: https://go-review.googlesource.com/c/tools/+/190403
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-08-15 21:28:02 +00:00
Rebecca Stambler
62ee03427e internal/lsp: use memoize package to cache source.Packages
This change eliminates the need for the package cache map, and instead
stores package type information in the store. We still have to maintain
invalidation logic because the key is not computed correctly.

Change-Id: I1c2a7502b99491ef0ff68d68c9f439503d531ff1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185438
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-08-13 21:41:43 +00:00
Jan Steinke
be5259f298 internal/lsp: use x/xerrors to create new errors
This relates to https://github.com/golang/go/issues/31374 and should switch all instances within `gopls` to use `x/errors` instead of `fmt` to create new errors.

Change-Id: I18339b75d12418d852e0dcc2ba0ed6c2970783b3
GitHub-Last-Rev: f4a55d9b79e7458ef1f1e06cb5eabbabd884f321
GitHub-Pull-Request: golang/tools#108
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179880
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-08-06 19:46:56 +00:00
Rebecca Stambler
1dcc99b65a internal/lsp: do not show errors for code actions on go.mod files
This change keys the supported code actions map by file kind, so that we
can extend it more easily for go.mod files.

Change-Id: Ic28f91bd517700cf070281b1c4d4ded14a702790
Reviewed-on: https://go-review.googlesource.com/c/tools/+/189039
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-08-06 19:11:59 +00:00
Suzy Mueller
5f95ed5921 internal/imports, internal/lsp: quick fix import errors
Get quick fixes for the diagnostics related to import errors. These
fixes add, remove, or rename exactly one import.

This change exposes the individual fixes found by the imports package,
and then applies each of them separately to the source.  Since applying each
fix requires a new ast anyway, we pass in the source to be parsed each time.

Change-Id: Ibcbfa703d21b6983d774d2010716da8c25525d4f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/188059
Run-TryBot: Suzy Mueller <suzmue@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-08-01 20:53:47 +00:00
Suzy Mueller
a81e99d748 internal/lsp: find import errors for named imports
String matching is used to find diagnostics that could be fixed by
organizing imports. Unused imports are of the form:
	"X imported but not used"
	"X imported but not used as Y"

Check that "imported but not used" is contained in the message to
include both named and unnamed imports.

Change-Id: I478d1fb239962e706eb1adf305b858fcc875b7f0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/188158
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-31 16:32:15 +00:00
Ian Cottrell
73497f0562 internal/lsp: convert logging calls
Change-Id: I09ee44d0121b7ced001b8195f9fa81b5225cb0c7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/186197
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-18 19:03:12 +00:00
Ian Cottrell
1b7e409d2c internal/lsp: convert all logging calls to the context version
Change-Id: I20e3acee4272f05a9f31a7bb4219fc2fe751e6b3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185988
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-15 03:44:59 +00:00
Rebecca Stambler
38ae2c8f64 internal/lsp, internal/imports: use the internal goimports library
This change modifies gopls to use the internal goimports library, which
allows us to manually configure the ProcessEnv. We also add a logger to
the ProcessEnv to allow this change not to conflict with gopls's logging
mechanism.

Fixes golang/go#32585

Change-Id: Ic9aae69c7cfbc9b1f2e66aa8d812175dbc0065ce
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184198
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>
2019-07-01 19:45:22 +00:00
Rebecca Stambler
e750c417fb internal/lsp: handle the context.only parameter for code actions
This change refactors code actions to handle the Context.Only parameter,
which indicates which code actions a language server should execute.

Change-Id: Iddfccbbeba3a53fde2aa8df844434f2ab9d01666
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184158
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-01 18:53:50 +00:00
Michael Matloob
e8e6be9f45 internal/lsp: plumb suggested fixes through the LSP
Change-Id: Ia9e077e6b9cf8a817103d90481768ae99409c574
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183264
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-26 21:02:18 +00:00
Rebecca Stambler
252024b829 internal/lsp: separate refactorings out of memoization CL
This change just separates minor changes made along the course of the
memoization CL out into their own change. This will clean up the diffs
in the memoization CL.

Change-Id: I7d59e05ba6472af5f1bf516b1e5b879a5815b9a5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183250
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-25 16:04:30 +00:00
Ian Cottrell
b9584148ef internal/lsp: add structured layers to the cache
This is primarily to separate the levels because they have different cache
lifetimes and sharability.
This will allow us to share results between views and even between servers.

Change-Id: I280ca19d17a6ea8a15e48637d4445e2b6cf04769
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177518
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-16 21:30:38 +00:00
Ian Cottrell
4f9510c6a1 internal/lsp: prepare for non go files
This abstracts out the concrete file type so that we can support non go files.

Change-Id: I7447daa2ce076ec2867de9e59a0dedfe1a0553f5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175217
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-15 23:59:46 +00:00
Rebecca Stambler
dd61c98fae internal/lsp: run source.organizeImports on all codeActions
This change addresses the additional information we received in
https://github.com/Microsoft/language-server-protocol/issues/726.

Fixes golang/go#31359

Change-Id: Ied7c97ac1f9e429e28cc44563b93acabd80921a3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172406
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-16 21:54:00 +00:00
Rebecca Stambler
b8fc0e1722 internal/lsp: organize imports as a quickfix
This change adds the ability to organize all imports as quickfix on a
diagnostic, in addition to the standard "source.organizeImports" code
action kind. This change still requires a bit of work, since really, we
should only add one import per diagnostic and each edit should be the
edits necessary for the addition or removal of the individual import,
but this is a good start.

Change-Id: I57679446bec833d215c35533240102fb61c86f20
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172397
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-16 19:07:07 +00:00
Ian Cottrell
744a51dd88 internal/lsp: normalise and make public diff<->edit conversions
This allows us to use the diff.ApplyEdits in tests, saving us from a different
implementation.
It also prepares for command lines that need to use diff features based on the
results of a protocol message.

Splitting content into lines is too easy to get wrong, and needs to be done
correctly or the diff results make no sense. This adds the SplitLines function
to the diff pacakge to do it right and then uses it everwhere we we already
doing it wrong.

It also makes all the diff tests external black box tests.

Change-Id: I698227d5769a2bfbfd22a64ea42906b1df9268d9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/171027
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-15 20:31:36 +00:00
Rebecca Stambler
ccd3732616 internal/lsp: refactor code actions
This change makes codeActions look at the diagnostics provided before
responding. Specifically, before running "source.organizeImports", we
check if there is a diagnostic relating to imports.

Change-Id: I5268d5e8f144c4f2e085b2a861d0abfb7614323b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/170997
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-06 23:57:00 +00:00