Fully switch to the new generated command API, and remove the old
dynamic command configuration.
This involved several steps:
+ Switch the command dispatch in internal/lsp/command.go to go through
the command package. This means that all commands must now use the new
signature.
+ Update commandHandler to use the new command signatures.
+ Fix some errors discovered in the command interface now that we're
actually using it.
+ Regenerate bindings.
+ Update all code lens and suggested fixes to new the new command
constructors.
+ Generate values in the command package to hold command names and the
full set of commands, so that they may be referenced by name.
+ Update any references to command names to use the command package.
+ Delete command metadata from the source package. Rename command.go to
fix.go.
+ Update lsp tests to execute commands directly rather than use an
internal API. This involved a bit of hackery to collect the edits.
+ Update document generation to use command metadata. Documenting the
arguments is left to a later CL.
+ Various small fixes related to the above.
This change is intended to be invisible to users. We have changed the
command signatures, but have not (previously) committed to backwards
compatibility for commands. Notably, the gopls.test and gopls.gc_details
signatures are preserved, as these are the two cases where we are aware
of LSP clients calling them directly, not from a code lens or
diagnostic.
For golang/go#40438
Change-Id: Ie1b92c95d6ce7e2fc25fc029d1f85b942f40e851
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appliesFn and suggestedFixFn were blocking eliminating the
source.Command dynamic configuration. Remove them, and along the way
refactor command dispatch to align better with the new
internal/lsp/command package.
This involved refactoring the internal/lsp/command.go as follows:
- create a new commandHandler type, which will eventually implement
command.Interface.
- create a commandDeps struct to hold command dependencies.
- move command functionality into methods on commandHandler.
Of these, there are likely to be at least a couple points of controvery:
I decided to store the ctx on the commandHandler, because I preferred it
to threading a context through command.Interface when it isn't needed.
We should revisit this in a later CL.
I opted for a sparse commandDeps struct, rather than either explicit
resolution of dependencies where necessary, or something more abstract
like a proper dependency resolution pattern. It saved enough boilerplate
that I deemed it worthwhile, but didn't want to commit to something more
sophisticated.
Actually switching to the internal/lsp/command package will happen in a
later CL.
Change-Id: I71502fc68f51f1b296bc529ee2885f7547145e92
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Modifying command.Interface can prevent re-generation by breaking the
build (because command_gen.go is no longer valid). Fix this by using a
build tag to only consider the interface during generation.
Change-Id: I025879897b0d1d98148654201a54539868e9f578
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In order to allow incremental refactoring, rename command.Interface
methods to agree with the names used in the internal/lsp/source package.
Support initialisms so that we can name GCDetails idiomatically.
Change-Id: I50b14535db3433c677c50df2f76f46215cc00f63
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289689
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This CL lays the groundwork for future refactoring, by defining a formal
(Go) interface for the set of commands provided by gopls in the
workspace/executeCommand RPC. It then creates some boilerplate bindings
via code generation.
The intent is to, first of all, clean up our current usage of commands.
Currently the 'specification' of a command is really split across
internal/lsp/command.go, internal/lsp/source/command.go, and
internal/lsp/source/code_lens.go. Changing a command signature might
require altering all three of those files, and it's easy to get wrong.
But also, we'd like to eventually be able to tell plugin authors that
they can call our commands in an ad-hoc manner (meaning with arguments
that they assign, rather than extract from a code lens). In order to do
that, we need to be able to generate documentation for the command
signature, and should also stop using positional arguments. This CL
aims to solve that as well, by providing a commandmeta package that can
be used for document generation.
For golang/go#40438
Change-Id: I0d29de044e107d6e7b267f340879a5282f0b4944
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Create the 'prepareAndRun' helper to offload some common command set-up
within the command handler. In subsequent CLs, this will be used to hold
all configuration of the implementation, including whether the command
will execute asynchronously, and whether to show progress.
Change-Id: I6d0f072e805dade5c7df37fa5cdf993d397fa717
Reviewed-on: https://go-review.googlesource.com/c/tools/+/288494
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CL 85396 implemented parsePackageAPIInfo with the idea that each
identifier shows up in exactly one of api/go*.txt files, when it
was added. We now know that it may show up more than once, when
the signature changes (generally in a compatible way, such as
when existing types are replaced with aliases to an equivalent
type).
Modify the algorithm to parse the api/go*.txt files in reverse
order, in order to find and display the earliest Go version when
each identifier was first added.
Fixesgolang/go#44081.
Updates golang/go#5778.
Change-Id: I83171fd8c161d703f284011375d74b824c279d41
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289089
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For stability and to ease navigation, sort commands alphabetically.
This will simplify the diff in later CLs, where command discovery is
refactored.
Change-Id: I346cbc2162b1b4dbac16572a653c4169b93cc0f3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290390
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Hello 👋
I found the wrong path in `go/ssa/ssautil/load.go`, so fixed it.
Change-Id: Id9233e8aa0875dd51060d5a1b4043ebb7582f059
GitHub-Last-Rev: c69ca973dca71db0ca1f41a759763ae3e4735eda
GitHub-Pull-Request: golang/tools#274
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For index expressions, optional "make" args, and composite literal
slice/array keys, we were inferring an expected type of int instead of
untyped int. This caused candidate rankings to not be quite right in
general, and in particular, after support for automatic type
conversions was added, the issue manifested as:
var foo []int
var bar int32
foo[ba<>] // completed to "int(bar)" instead of "bar"
Fixesgolang/go#43375.
Change-Id: I6daef7d23b767f296bdbbc8f47f5b2c972ad9b80
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Allow fixSrc to run multiple times on a file. For example:
func main() {
var s S
if s.<>
}
type S struct {
i int
}
To properly complete at <>, we need to perform two fixes. We must
insert a phantom underscore after "s." to deal with the dangling
selector, and then we must insert phantom "{}" for the "if" statement
to deal with the incomplete "if" block. Previously we stopped at one
fix, but now we allow for up to 10. I added a limit because I am
afraid there are cases where we could get stuck trying to apply the
same fix again and again.
Also, drive-by set isIncomplete=true when we return early in
lsp/completion.go. I have found my editor incorrectly caches this zero
result in certain cases because it thinks results are "complete".
Fixesgolang/go#43471.
Change-Id: Idd34cc164d579fa12a27920dc3afb372799abf26
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The only thing that the mod tidy diagnostics use the network for is
adding dependencies, and we already have quick fixes for those. The one
exception is the case covered by TestBadlyVersionedModule, a dependency
that fails to declare one of its own dependencies and therefore requires
an indirect dependency in the workspace module. That only triggers an
error on the dependency's import statement, which the user will never
see.
Fortunately, the go command does expose these problems in the DepsErrors
field of the list response. Add an internal API to access that, and turn
it into diagnostics on both the file and the controlling go.mod.
Refactor the go get diagnostic generation so that it applies to both
modules and packages.
Fixesgolang/go#38462.
Change-Id: Ie2af940087654682a40de9ecfccd46f404a88b60
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In cases like:
type foo struct { a int; b float64 }
foo{b<>}
We were completing to "foo{int(b: <float64>)}" (the problem being the
nonsensical int() conversion).
The expected type at "<>" is int to allow completions to match "a".
When we pass the *types.Var representing "b" through the candidate
matching machinery, we say "Oh, a float64! I can convert that to my
expected type of int!".
Fix by bailing out of candidate matching early if the candidate is a
composite literal struct field name. Field names aren't really objects
you can do anything to.
Fixesgolang/go#43789.
Change-Id: Ie4dab166973dfcdcb519f864532ead1f792d25a3
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In cases like:
foo<> == 100
We weren't preferring floats at <>. Fix the basic type comparison
logic to know that an untyped int is always compatible with a float.
Fixesgolang/go#44066.
Change-Id: I9cf9bac1632178db100c0a5447351be208b4a2af
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The gopls regtests have highly variable performance on certain operating
systems, we believe due to kernel contention. Flakes are a problem, and
it's better to have coverage of our default execution mode than no
coverage at all.
For golang/go#44099
For golang/go#42789
Change-Id: Ie9f3f93bb950930401aac3ce55cdffb889d0f0e1
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Experiment with increasing the timeout for TestGCDetails, given how its
flakiness correlates with slow builders.
For golang/go#44099
Change-Id: I27a8732256a77c3d9ce2a1b1f75ce5d0fbc11e67
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We still need to pass -mod=mod when AllowModfileModifications is enabled
on 1.16.
Change-Id: I9cecd30914eb52c9faa877cece25d5722b36df79
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Collapse Diagnostic.Kind, Source, and Category into just Source. Remove
code that converted from Diagnostic to Diagnostic. Notes on the changes
I had to make along the way:
- We used to use Kind to determine Severity. Set Severity when the
Diagnostic is created instead.
- Use constants for Source as much as possible -- we still need to use
Analyzer.Name for analysis diagnostics. It would be nice to break that
dependency so that Source was totally opaque, but that's a separate
issue.
- Introduce a new Source for gc_details, "optimizer details". It was "go
compiler" previously.
- Some of the assignments are a little arbitrary. Is inconsistent
vendoring really a "go list" error?
- GetTypeCheckDiagnostics had code to cope with diagnostics that had no
URI associated with them. We now spread such diagnostics to all files
when they are generated.
- Analyze modifies Diagnostics by adding a Tag to them. That means it
has to own them, so I had it clone them. I would like to push that logic
down to the diagnostics, per the TODO, but that's another CL.
And some observations:
- It's obviously tempting to combine DiagnosticSource and
diagnosticSource, but they mean very different things. I'm open to a
better name for one or the other.
Change-Id: If2e861d6fe16bfd2e5ba216cf7e29cf338d0fd25
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source.Error and source.Diagnostic are almost identical types, used
arbitrarily in different parts of the code. This CL is the first step in
cleaning up that redundancy: it deletes the source.Error type.
To do that, I added the fields from source.Error to source.Diagnostic,
and made absolutely no other semantic code changes -- I just renamed
things that were named Error to Diagnostic. With only aesthetic concerns
in play, I hope this CL will be easy to review. The next CL will clean
up all the stupid-looking code that converts a Diagnostic to a
Diagnostic, etc.
Change-Id: I1298cc8144c686b8a37fc2cc106930105e511353
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code.ts and util.ts for the latest version of the LSP protocol.
Change-Id: I911254ee7e66d91071e465ed83c456975e358ca4
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The Typescript source is still at version 3.16, but there are new
requests, more detailed client capabilities, and an attempt to be
more specific about ranges of number in the Typescript code.
Vscode defines types integer and uinteger (32-bit signed and unsigned),
so the Go code now uses int32 and uint32.
They've changed the use of TextDocument, so version information is sometimes
missing. cache/session.go:625 was changed correspondingly.
This CL also make CodeAction.Disabled into a pointer.
New requests or notifications:
DidCreateFiles, DidRenameFiles, DidDeleteFiles (notifications)
ShowDocument, WillCreateFiles,WillRenameFiles, WillDeleteFiles (request)
It's a lot of code; I've probably missed something.
Change-Id: I8449ad8473ac00947d0344c5f6133f9bd73b9e10
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Using structured errors in gopls has proven to be difficult to manage:
it's hard to know whether a given error return is expected to be
structured without any type information. We have mostly eliminated
them; finish the job.
I don't intend any semantic changes here.
I considered eliminating CriticalError altogether, but it does seem
useful to have a convenient bundle for return values. So I left it
alone for now.
Change-Id: I4b5f85a8de9712babffbc1383088151b596bd815
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Now that workspace module mode generates a combined go.sum there are
relatively few blockers to enabling -mod=readonly. Fix them and do it.
This CL is a bit of a grab bag, but the fixes are relatively separate. I
can split it into multiple CLs if desired.
- If module A depends on module B at v1.0.0, the go command will want to
upgrade the workspace module from v0.0.0-goplsworkspace to v1.0.0. To
prevent that, use vN.999999.0 as the base pseudoversion, adjusting v0 to
v1 where appropriate. A few test cases needed updating as a result.
- For old Go versions, sort the generated workspace module and
synthesize a go statement from the maximum go version declared in the
workspace.
- Some regtests need go.sum files created.
- matchErrorToModule created incorrect quick fixes: it would try to
download the top-level module mentioned in the error message, not the
one that actually caused the problem. Now it issues quick fixes for the
lowest-level module.
- TestMultiModuleModDiagnostics accidentally included the same module
in the workspace twice. Fix it, and make that an error.
Fixesgolang/go#43346.
Change-Id: I605f762a4d23bedd914241525e64c1b3ecc42150
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In CL 271297, I disabled the constantly-running upgrade check, which
removed the upgrade commands for individual dependencies. This seems to
have been a relatively popular feature. Re-introduce it, but requiring
explicit user interaction.
We now run an upgrade check when the user clicks "Check for upgrades".
Those results are stored on the View and used to show diagnostics on
any requires they apply to. Right now we only check the go.mod the user
has open; in multi-module workspaces it might make sense to check all of
them, but I'm not sure.
Fixesgolang/go#42969.
Change-Id: I65205dc99a4fa9daafdb83145b0294b6f3be5336
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Rather than coming up with an ad-hoc error message, use the friendly
errors from the gocommand package. I noticed this because the latter
is missing the verb.
I *think* this is generally an improvement; instead of seeing a massive
command line, users just see the actual error from the go command. Even
if it's not, I'd rather improve the single source of the error than play
whack-a-mole.
Change-Id: Ib110eaac6c3984e617339cf14cffe3b59f33591b
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We were always sending an empty reason for "disabled" in code actions,
which leads clients to see all code actions as disabled.
Change-Id: I855fb622a52557cc56ce91cf90fdc971df099a90
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Regtests have gotten large, and started timing out on some slow
builders. They also can't yet be run in parallel, due to some
process-level shared state (e.g. gc_details). Furthermore, there seems
to be some per-process resource leak that we don't yet fully understand
causing slowdown as the tests progress.
Address these problems by splitting the regtests up into multiple
packages. This also makes it easier to run only relevant tests during
development.
For golang/go#42789
For golang/go#39384
Change-Id: I1a74e4c379f3a650f4c434db44f9368e527aa459
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We were not locking while iterating s.files in snapshot.knownFilesInDir.
All other accesses of s.files appear to be locked, so this should fix
golang/go#43972.
Fixesgolang/go#43972
Change-Id: I01184c3992c91f8beb4a3239f70cc4487a528ec0
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Field embedding links two objects (a TypeName and a Var) by name,
requiring special handling during renaming. In CL 282932, renaming of
types was made to propagate to uses of their embeddings. However, no
such propagation in the reverse direction was added, meaning that
renaming an embedded field would not rename the corresponding type, and
code could still be left in a non-compiling state.
It should be an invariant that renaming does not change program
behavior. To enforce with field embeddings this we'd need to also rename
the corresponding type, but this seems problematic. If I'm hovering over
the field selector x.T, and rename T, it is surprising that this would
end up renaming a type.
For lack of a better solution, make it an error to rename embedded
fields, but try to provide a helpful error message.
Also handle the blank identifier, for which renaming was giving a
message to "please file a bug".
Marker tests are added for the new errors in rename, but not for
prepareRename. The prepareRename tests were not set up for asserting on
errors -- perhaps that would be a good project for a later CL where we
clean up errors.
Fixesgolang/go#43616
Change-Id: I66c2dd5e531dd102431d1edd443d553687d9ca7e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284312
Run-TryBot: Robert Findley <rfindley@google.com>
Trust: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Now that we're only including licenses for the things gopls actually
depends on, we don't need to access the network on the trybots, and we
can get rid of the go.sum check that adds a step to the release process.
Change-Id: I3d38334ea3a9c904dfa125157c7b0468a0699b54
Reviewed-on: https://go-review.googlesource.com/c/tools/+/286436
Trust: Heschi Kreinick <heschi@google.com>
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gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
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CL 278872 fixed the fact that field comments messed up the suggested
edits by removing comments entirely.
This change also remove documentation style comments since they also
produce broken suggestions in the same way.
Change-Id: I18d9c42fbf1453dcd5019b2a4aa3f4be4a58f7c7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284732
Trust: Rebecca Stambler <rstambler@golang.org>
Trust: Pontus Leitzler <leitzler@gmail.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Using awaiting a certain number of work items in the regtest is a source
of flakes and latent bugs. This CL replaces all such assertions with
assertions based on the number of notifications sent by the fake.Editor.
While implementing this, I discovered several tests that had incorrect
counting, so this may fix some flakes.
Implementing this required pushing the asynchronous processing of file
events into the Editor, rather than the Workdir.
Change-Id: I9c3639409f2beed4a76295cbd53180c6e2ace126
Reviewed-on: https://go-review.googlesource.com/c/tools/+/285612
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Trust: Robert Findley <rfindley@google.com>
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The change displays outstanding diagnostics on the Client page of
the debug server.
Very occasionally gopls displays incorrect diagnostics or diagnositics
that won't go away. It is possible that providing more complete
information will help us find the causes, at least when the debug
server is running.
Change-Id: I01f2bbbfeac86e7296f57f4a9aad8e1e658babfa
Reviewed-on: https://go-review.googlesource.com/c/tools/+/285252
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The README still felt a little long and contained information that I
don't expect most users need. I pulled some of it out into an "advanced
users" document. Let me know if you think another word might be better--
the word advanced has lost all meaning to me.
I also rearranged some of the heading levels--does this make more sense
or is the old way better?
Change-Id: I34bcbe91ec52107cf2875c33f224837b3c7fb0d3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/285514
Trust: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Robert Findley <rfindley@google.com>
As discussed, mention workspaces.md in the README. I figured build
systems like Bazel might be also worth mentioning, though IDK if that
fits well under configuration...
Change-Id: I8dd3c88d2e6f1096468eb08351676a99b91023f7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/285512
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Reviewed-by: Heschi Kreinick <heschi@google.com>
As part of investigating golang/go#43023, I noticed that it's possible
for us to show context cancellation as a critical error--we should not
do this.
Change-Id: I1f7cc13a151e0a161d5a4ea4d5b55fba15270b32
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284937
Trust: Rebecca Stambler <rstambler@golang.org>
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These two pages were serving largely the same function, so it makes more
sense to merge them. Mostly deleted all of the information about
configuration--its really verbose and not likely to be helpful to users.
Change-Id: Id5eb6cd2acc19cc2d863943cb399cfefb6bdcee8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/283644
Trust: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Remove the exception for the Android amd64 builder, now that flakes are
fixed (though the exception didn't actually work anyway due to
golang/go#39460).
Also, accept the import reorganization applied by gopls.
Fixesgolang/go#43554
Change-Id: I9a7cce35998cfa673699d74a487111e4daecf7ec
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284935
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This change ensures that packages using exec.LookPath or
exec.Command to find or run binaries do not accidentally run
programs from the current directory when they mean to run programs
from the system PATH instead.
Change-Id: I5907aa630ff64012395a7eb472967a477d90f12e
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/949438
Reviewed-by: Katie Hockman <katiehockman@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
Reviewed-on: https://go-review.googlesource.com/c/tools/+/284773
Run-TryBot: Roland Shoemaker <roland@golang.org>
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Trust: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Rewrite the troubleshooting doc to be (hopefully) more helpful. I tried
to start from the assumption that the user had made a mistake rather
than that there was a bug in gopls. In particular, they're now
instructed to check for mistakes before updating gopls, and to try
Gophers Slack before filing a bug.
In general, I tried to adopt a more conversational voice as the gopls
authors, which I hope will make it more readable.
Once this looks good I'll do the VS Code version.
Change-Id: Ie36ad47af9e96b734475f8abe157ab3ad9c8cf09
Reviewed-on: https://go-review.googlesource.com/c/tools/+/283934
Trust: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
This is a first CL to clean up the gopls documentation. The main changes
are cosmetic (to correct warnings found by the MD Lint VS Code
extension), though some parts are reworded or moved around. Ultimately,
more work needs to be done, particularly on the user guide and features
overview.
My current thinking is that we should rename settings.md to
configuration and move the configuration piece out of the user guide,
and also reorganize the user guide to be more "getting started"
oriented.
I'm still not sure where miscellaneous items should go (e.g., working on
the Go distribution itself)--I deleted the FAQ because it seemed useless
and is probably not the most discoverable, but it's the only place that
comes to mind so far.
Change-Id: I3689362067672f7ad8d5e8fd97ca9c7c45cfc8c4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280595
Trust: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This change adds a workspace.md file that explains the different ways
of configuring your workspace with gopls. Ultimately, I think we should
move this to the user.md documentation, but I didn't want to deal with
merge conflicts from my other CL, so moving it here to start.
Fixesgolang/go#36899
Change-Id: I9217dc85a10cc6d0cbb4471509a186405d2e2088
Reviewed-on: https://go-review.googlesource.com/c/tools/+/283513
Trust: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Robert Findley <rfindley@google.com>
Rob Findley
Heschi Kreinick
Dmitri Shuralyov
sanposhiho
Muir Manders
Koichi Shiraishi
Rebecca Stambler
pjw
Ajanthan Balachandran
Pontus Leitzler
Roland Shoemaker