This CL moves to a model where we don't automatically delete invalidated
metadata, but rather preserve it and mark it invalid. This way, we can
continue to use invalid metadata for all features even if there is an
issue with the user's workspace.
To keep track of the metadata's validity, we add an invalid flag to
track the status of the metadata. We still reload at the same rate--the
next CL changes the way we reload data.
We also add a configuration to opt-in (currently, this is off by
default).
In some cases, like switches between GOPATH and module modes, and when a
file is deleted, the metadata *must* be deleted outright.
Updates golang/go#42266
Change-Id: Iff5e10b641fdb4be270af0cd887a10ee97ac1a19
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This change simplifies the code and fixes the issue with
extra new lines. It also adds unit tests.
Fixesgolang/go#43257
Change-Id: If4f6d939b2b0521e7bcce930838d539a6f0f9004
GitHub-Last-Rev: b5dd778524dbf55c1cf83af8175cdb6e8f4959ae
GitHub-Pull-Request: golang/tools#300
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The semantic token legend sent to the client in registerCapability
wasn't the one used when encoding semantic tokens.
If a client sent clientCapabilities support for token types and token
modifiers that wasn't ordered exactly as gopls defined them, all
semantic tokens was encoded incorrectly.
We now instead report the order used for encoding as legend in the
registerCapability request to the client.
Fixesgolang/go#46244
Change-Id: I8273c9ed9d1f97a93c162d709f30df38bfd576aa
Reviewed-on: https://go-review.googlesource.com/c/tools/+/321029
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Use the jsonrpc2_v2 Preemption option to support request cancellation.
Also fix the TestRequestCancellation to actually test request
cancellation, and add a V2 version of this test. For now, the
ForwardBinder is not exercised.
Factor out test set-up and tear down.
Change-Id: Ic104e922fa2d0ae570b69c3928e371175db28a9f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/321014
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Update the protocol package to allow wrapping the jsonrpc2 API, and add
wrappers for v1 and v2 of the API, so that we may switch between them.
Add simple bindings for the lsprpc package for jsonrpc2_v2 package, and
get them working well enough to pass a version TestClientLogging test.
This seemed like a reasonable checkpoint.
Also add some type safety to client closing: all LSP clients must
implement io.Closer.
Change-Id: Ib2e6906e0db0c94102a7e794de932d6b61d54670
Reviewed-on: https://go-review.googlesource.com/c/tools/+/320850
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There was already handling in isClosingErr for errors from Stdin/Stdout
and TCP connections. Add handling for io.Pipe closing errors.
Change-Id: I8d171ab49a3fffe0fca9f0482f6b92d61b1fae1f
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With the new ParseExported logic, we can lose some unexported fields on
exported structs. This can lead to misleading or malformatted hover
information.
Fix this by ensuring we always extract the Spec from a full parse. Since
this path is only hit via user-initiated requests (and should only be
hit ~once per request), it is preferable to do the parse on-demand
rather than parse via the cache and risk pinning the full AST for the
remaining duration of the session.
For golang/go#46158
Change-Id: Ib3eb61c3f75e16199eb492e3e129ba875bd8553e
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The implementation now returns fewer errors to the client. The LSP
specification restricts errors to 'exceptions', so gopls no longer
returns errors if parsing or typechecking fails.
Also, some internal routines that always returned nil errors no longer
return errors at all. The logging for the errors that //line directives
induce was too verbose, and has been turned off. (Many LSP requests
will fail if there are //line directives.)
Fixesgolang/go#46176
Change-Id: I18b2cb164b55174f4edbc31e1376da7a8c505a1b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/319249
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Unimported completion computes invalid text edits with windows line
endings.
To enable this test, add support for windows line endings in the regtest
framework. Doing this required decoupling the txtar encoding from the
sandbox, which was a good change anyway.
For golang/vscode-go#1489
Change-Id: I6c1075fd38d24090271a7a7f33b11ddd8f9decf5
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Unguarded calls to span.URI.Filename() can panic. beginFileRequest
handles this, so use the URI of the returned FileHandle instead.
Fixesgolang/vscode-go#1498
Change-Id: Ie48c27854e4a8ed8cca52ff6547ff580eccb5fd5
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I wrote this code as if there was going to be a final error check after
all the type checking attempts, but ended up using the result inside the
attempts, errors would likely have resulted in panics. Just do normal,
non-clever error checking.
Change-Id: I665f34f7e6d1a2c3465543cbdc39a723a22a1095
Reviewed-on: https://go-review.googlesource.com/c/tools/+/319371
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In anticipation of CL 318629, 'go mod download' without arguments will
not update go.mod or go.sum. Before 1.16, 'go mod download' would adds
sums for .mod files but not .zip files (which people didn't usually
notice). Many folks found the behavior of adding sums for .zip files
to be annoying.
This change alters tests to run 'go mod download all' to populate
go.sum files. This is equivalent to 'go mod download' without
arguments before CL 318629.
For golang/go#45332
Change-Id: I387d514176f798ae8f17b0b056194196718f57f5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/318811
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Despite the name, ParseExported only hollowed out declarations -- it
didn't actually drop any from the AST. This leaves a fair amount of
unexported crud behind. Unfortunately, there are a *lot* of ways to
expose an unexported declaration from an exported one, and it can be
done across files. Because of that, discarding unexported declarations
requires a lot of work.
This CL implements a decent attempt at pruning as much as possible from
the AST in ParseExported mode.
First, we analyze the AST of all the files in the package for exported
uses of unexported identifiers, iterating to a fixed point. Then, we
type check those ASTs. If there are missing identifiers (probably due to
a bug in the dependency analysis) we use those errors to re-parse. After
that we give up and fall back to the older, less effective trimming. The
pkg type changes slightly to accomodate the new control flow.
We have to analyze all the files at once because an unexported type
might be exposed in another file. Unfortunately, that means we can't
parse a single file at a time any more -- the result of parsing a file
depends on the result of parsing its siblings. To avoid cache
corruption, we have to do the parsing directly in type checking,
uncached.
This, in turn, required changes to the PosTo* functions. Previously,
they operated just on files, but a file name is no longer sufficient to
get a ParseExported AST. Change them to work on Packages instead. I
squeezed in a bit of refactoring while I was touching them.
Change-Id: I61249144ffa43ad645ed38d79e873e3998b0f38d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/312471
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If A is a type, then in
type B {
A
} it is a type, but in
type C {
A int
}
it is a variable (and similarly in function types). The old code got this wrong.
Fixes: golang/go#46068
Change-Id: Ib7320914de81d2b7377214f53f99f4fea25e00fb
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Tools like gopls will want to add additional features to support working
with generic code, but need to continue to compile at older Go versions
that don't support type parameters.
This CL contains an initial draft of a helper library that may be used
to interrogate generic type information from go/ast and go/types without
having to guard the calling code with a build constraint.
I will use this library to implement some generics features for gopls.
Once we're confident in the API, it could potentially be exported as
x/tools/go/typeparams.
Change-Id: I0ad3050b57cf8d8e8dda7d350d18f5e50f4105ff
Reviewed-on: https://go-review.googlesource.com/c/tools/+/317451
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Sometimes users report issues related to edge cases in Gopls that aren't
reproducible. In some of these cases, we end up guarding against
conditions that shouldn't be possible, which is an unfortunately fragile
solution.
Add a new debug.Bug function to both annotate such branches as known
bugs, and help find them when they reoccur. For now this just records
them in the debug server, but in the future we could send the user a
message to the effect of "hey, a known bug has occurred" for debug
builds of gopls.
Also included are some minor cosmetic fixes.
Change-Id: I95df0caf2c81f430661cabd573ce8e338fa69934
Reviewed-on: https://go-review.googlesource.com/c/tools/+/318369
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Support typeDefinition for functions/methods that have only one return value
of a named type. The total number of return values doesn't matter.
Examples:
* func foo() X
* func foo() (X, bool, int)
* func foo() (*float64, *X, error)
Fixesgolang/go#38589
Change-Id: I8840d667437300fd1250a13630e12a36601f0a60
GitHub-Last-Rev: 581d810af959f8b2c0bf62a22e5725f32947f5e4
GitHub-Pull-Request: golang/tools#311
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Add a benchmark for the processing of workspace/didChange notifications,
attempting to isolate the synchronous change processing from
asynchronous diagnostics. To enable this, add a new type of expectation
that asserts on work that has been _started_, but not necessarily
completed. Of course, what we really want to know is whether the current
notification has been processed, but that's ~equivalent to knowing
whether the next one has been started. Really, it's off-by-one, but
amortized over e.g. the 100 iterations of a benchmark we get
approximately the right results.
Also change some functions to accept testing.TB, because in a first pass
at this I modified the regtest framework to operate on testing.B in
addition to testing.T... but that didn't work out as IWL is just too
slow to execute the benchmarks outside of the environment -- even though
we can ResetTimer, the benchmark execution is just too slow to be
usable. It seems like a fine change to accept testing.TB is some places,
though.
For golang/go#45686
Change-Id: I8894444b01177dc947bbed56ec7df80a15a2eae9
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Leave the options flag so people can disable it for now if needed.
Updates golang/go#39507.
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In cases like:
append([]string{}, foo<>)
we now prefer objects of type string at <>. Previously we had no
preference. In particular, we now try to infer the slice type from the
first append() arg instead of only from the outer context of the
append() call.
Fixesgolang/go#43240.
Change-Id: I59dfa3b18892c5c87fc5ff53109f51f50ee03d26
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Provide some support for template files, implementing most of
https://docs.google.com/document/d/1clKAywucZVBXvL_v4mMhLQXso59lmQPMk1gtSpkV-Xw
Template support is controlled by the option 'experimentalTemplateSupport'
which defaults to false.
Most of the code is in a new 'template' package. Implemented are
semantic tokens, diagnostics, definitions, hover, and references,
and there is a stub for completions.
This code treats all the template files of a package together, so as
to follow cross-references.
Change-Id: I793606d8a0c9e96a0c015162d68f56b5d8599294
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297871
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There are two possible quick fixes for a missing go.sum entry, and the
regression tests always run all available fixes. That never made sense,
but I never got around to fixing it because it didn't cause a problem.
Now that it turns out to be the cause of the problem described in CL
315152, fix it and roll that CL back.
Change-Id: I49430429a99a412f43bd11b30afe8903db99a694
Reviewed-on: https://go-review.googlesource.com/c/tools/+/315910
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The window/showDocument RPC is now correctly classified as being
sent from the server to the client.
Change-Id: I659528af69662fb709242d326563d52070fd5702
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I considered having gopls not initialize at all, but VS Code Go
intercepts those error messages and they get buried. We should probably
fix that in VS Code Go, but for now just show a warning.
Updates golang/go#45732
Change-Id: I214974e5a96231c96b1583af8ac245de03cea5d8
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ast.NewPackage mutates the input files, making it difficult to avoid
races with our caching model. I had avoided a race resulting from cache
handle cancellation, just to run into another race in multi-session
servers.
But there's no reason to use ast.NewPackage when we only have a single
file. We can just interrogate the file scope wherever needed.
Fixesgolang/go#45868
Change-Id: I521475b51ee3b1c3e408916affecafbc629b0191
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In LSP, CompletionItems can say if they are for deprecated names. This
CL implements that for items where the doc comments contain a line
starting // Deprecated.
Semantic tokens now similarly mark deprecated tokens, but in vscode
the default theme doesn't change the display, and the customization
options seem limited to:
"editor.semanticTokenColorCustomizations": {
"rules": {
// only foreground, bold, underline, italic
"*.deprecated": {"italic": true}
}
},
Change-Id: I93ccc227bf4e1e30a4f23b40da4d2cbafe1cd925
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There's no easy way to do this via the LSP, as go/packages reads from
the environment, so simply call os.Setenv.
Fixesgolang/go#45866
Change-Id: Iae4e929d47ffef5ffe023ed1886d773a74fd836f
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Calling PackagesForFile on builtin.go loads is at a
command-line-arguments package, which has many type checking errors.
Add a new snapshot method IsBuiltin, which is used to avoid calling
PackagesForFile on builtin.go when diagnosing changed files or checking
for orphaned files. There may be other places where this should be used,
but this functionality can't reasonably be pushed down, as
PackagesForFile should always return something.
This exacerbated an existing race to building the builtin, because
ast.NewPackage unfortunately mutates the ast.File. Fix this by just
building the builtin package directly when building the handle. It
should be very fast.
Fixesgolang/go#44866
Change-Id: Ie6c07478493fa011e92e6966289c2fa822d87b35
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Due to the limitations of comments in ast, it is difficult to move
comments. The extract function feature currently does not handle
comments at all. This change instead prints the comments that would
have been lost above the call to the function, so that the user can
easily recover them. Otherwise, it was possible for users to lose
comments and not notice.
Updates golang/go#37170
Change-Id: I1e2d865f5deddefbb0417732490decbdfcde5f3d
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It wasn't obvious that there are two different kind of diagnostics
reported by fieldalignment, one for struct size and another for pointer
bytes.
The documentation now mentions both types, and shows an example that
clarify what "pointer bytes" are.
Fixesgolang/go#45541
Change-Id: Ia62fb05980ddddf52e579ac51459aaaed168cfa7
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If there is a return statement that is guaranteed to execute in
the selection to extract to function, then the result of calling
the extracted function can be directly returned.
Updates golang/go#37170
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Before this change directory names were used "as is" for package completion.
It could lead to invalid suggestions (for example, 'package 1abc' or package 'ab-cd').
This change adds a check whether a directory name can be used in a package path.
If the directory name is invalid, only 'package main' will be suggested.
Otherwise, the directory name will be normalized and will be used as a package name.
Note: normalized directory names contain only lower case letters and digits.
Fixesgolang/go#44680
Change-Id: I4b710f90d1723c512e29dc3c248a1e681f1cd37f
GitHub-Last-Rev: 8ae69f1c6fdf80831e5773bdb3507a8d51a4a0cf
GitHub-Pull-Request: golang/tools#310
Reviewed-on: https://go-review.googlesource.com/c/tools/+/313092
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Trust: Rebecca Stambler <rstambler@golang.org>
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Updating server info was racing with rendering debug templates, because
the state mutex only guards the servers slice, not the values contained
in that slice.
Switch to splicing in updated server data, rather than updating
in-place, to avoid the race.
Change-Id: Ia69895b49cf3f961c58db8e6512ce8b1f5911fd3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/314169
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Rename the 'inspect' command to 'remote', since it makes more sense for
the command to be scoped to interactions with the gopls remote. Add a
new subcommand 'debug' to start the debug server. Leave an aliased
'inspect' command for now. I'm 99% sure nobody is using it, so we can
remove the alias in a month.
Move some things around in the lsprpc package to improve factoring a
bit.
Fixesgolang/go#45518
Change-Id: Ic6d64204611552e593dcbc1b5a347ccd27a4f40c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/309810
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The existing implementation uses a lot of URI.Filename() calls,
which are pretty expensive. Moreover, these calls are not necessary,
as long as all the actions could be done with the raw URI string.
This patch removes such calls and uses simple string casts.
Updates golang/go#45686
Change-Id: Ibe11735969eaf0cfe33024f08418e14bf71e7fc4
GitHub-Last-Rev: 67a3ccdf30a6a99bc1b5a8e9cd2a7c0865d894d0
GitHub-Pull-Request: golang/tools#306
Reviewed-on: https://go-review.googlesource.com/c/tools/+/312809
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Trust: Rebecca Stambler <rstambler@golang.org>
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The utility of the debug server is limited by the requirement to start
gopls with the `-debug` flag and then look in the logs to see which port
the debug server is bound to.
This CL adds a new custom command `gopls.startDebugging` to start the
debug server on demand if it isn't already running, and return its debug
address. It also does some gymnastics to make this turn on debugging for
any intermediate gopls forwarders, when using daemon mode.
For golang/go#45518
Change-Id: I48a90088f96aca54f34f93bedbfe864515320f61
Reviewed-on: https://go-review.googlesource.com/c/tools/+/309409
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In cases like:
foo.<>
bar = 123
We weren't detecting that the selector preceding <> was a statement.
The above is parsed as "foo.<>bar = 123", so it looks like <> is
contained in an AssignStmt. This matters because we give different
postfix completions depending on whether it is valid to replace the
surrounding selector with a statement or not.
Updates golang/go#45718.
Change-Id: I8f74505b2c8c7060f1e94433904ff0a987d0cc57
Reviewed-on: https://go-review.googlesource.com/c/tools/+/313269
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For large codebases, the cost of copying these maps can be fairly high,
especially when it needs to repeatedly grow the map's underlying storage.
Preallocate these to the size of the original snapshot maps to prevent
the need to grow the storage during the clone.
Updates golang/go#45686
Change-Id: I4cfcd5b7cba8110e4f7e706fd9ea968aaeb6ff0c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/312689
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We still hear from users for whom gopls uses too much memory. My efforts
to reduce memory usage while maintaining functionality are proving
fruitless, so perhaps it's time to accept some functionality loss.
DegradeClosed MemoryMode typechecks all packages in ParseExported mode
unless they have a file open. This should dramatically reduce memory
usage in monorepo-style scenarious, where a ton of packages are in the
workspace and the user might plausibly want to edit any of them.
(Otherwise they should consider using directory filters.)
The cost is that features that work across multiple packages...won't.
Find references, for example, will only find uses in open packages or in
the exported declarations of closed packages.
The current implementation is a bit leaky; we keep the ParseFull
packages in memory even once all their files are closed. This is related
to a general failure on our part to drop unused packages from the
snapshot, so I'm not going to try to fix it here.
Updates golang/go#45457, golang/go#45363.
Change-Id: I38b2aeeff81a1118024aed16a3b75e18f17893e2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/310170
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Note: this only moves the regtest framework, not the gopls regtest
tests.
Change-Id: Ia70d2e97df8a8bd48a042e5b037c1e56a210b594
Reviewed-on: https://go-review.googlesource.com/c/tools/+/312412
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For example:
var b [4]byte
var s []byte = <>
At <> we now prefer "b" and insert as "b[:]".
Fixesgolang/go#40277.
Change-Id: I5fe9d153813dac7218edf31c7c33610130eef9bc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/311169
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With unsafe.Slice about to be added, we'll get varying completions at
'unsafe.S_' depending on the Go version. Change the completion position
to be 'unsafe.Si_'.
Change-Id: Ib537fefceda7864b7a256565a3a7286d18e845c6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/312470
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Includes some proposed 3.17.0 changes to the LSP:
1. CompletionItemLableDetails
2. New diagnostics requests. (the existing ones are notifications):
textDocument/diagnostic, workspace/diagnostic, workspace/diagnostic/refresh.
Change-Id: I534c56526fb0dc3f09e5dc21dce3c2e894d93116
Reviewed-on: https://go-review.googlesource.com/c/tools/+/311769
Run-TryBot: Peter Weinberger <pjw@google.com>
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LSP (and gopls) support both full-file semantic token requests and
requests for just a range, typically roughly what's visible to the user.
It can be slow to produce the full set for a very large file, so
this code now responds with an error if the file is bigger than
100,000 bytes. After getting this error, vscode, at least,
will stop asking for full requests and use range requests.
Alternatively, server capabilities could say gopls never responds to
full-file requests, but doing that doesn't stop vscode from asking for
them. Another possibility would be to fix a time limit (like 8ms) for
how long to spend generating full-file semantic tokens. That's tricky
to get right, but one could instead generate an error when there
are more than 4,000 semantic tokens (on my laptop, that's about 8ms.)
Large files are unusual; a simple size limit seems adequate for now.
Change-Id: Ieea0d16aad6e37cc4f14b1a6a7116a4e41197aae
Reviewed-on: https://go-review.googlesource.com/c/tools/+/307729
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Don't offer deep completions when completing the name of unimported
packages.
For example:
var _ int = <>
Completing at <> previously would offer an eclectic array of
candidates such as "bits.LeadingZeros()", "time.Now().Day()", or
"zlib.BestCompression", depending on your luck. These candidates stem
from unimported packages candidates such as "bits" which we continue
searching into for deep candidates.
There are two main reasons these deep completions are not useful:
1. They are not dependable. Not all unimported packages are even
searched (it stops as soon as it finds a set number).
2. Fuzzy matching does not work (e.g. typing "bilz" will not filter to
"bits.LeadingZeros" as it does in other cases).
2) could be remedied, but there are so many unimported
package members that I'm not sure it is possible to reduce false
positive deep completions to a satisfactory level.
I also made a couple relevant minor tweaks:
- Fallback sort the unimported packages by path to keep a consistent
order.
- Don't offer unimported packages at all if there is no prefix.
Updates golang/go#43374.
Change-Id: I9fbcde34a3a9e7781568515bddab9da2fc931139
Reviewed-on: https://go-review.googlesource.com/c/tools/+/311069
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
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This broke staticcheck and x/tools/refactor, most notably used for our
rename support. Doesn't look like a winner. Roll it back :(
Updates golang/go#45457.
Change-Id: I30d5aa160fd9319329d36b2a534ee3c756090726
Reviewed-on: https://go-review.googlesource.com/c/tools/+/311549
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As predicted in CL 308730, there are some analyzers that need this: all
of staticcheck. (I probably should've seen that coming.) For now, don't
do the trimming when staticcheck is on. Since staticcheck ~doubles
memory footprint, those users probably don't care much.
Change-Id: I7cfd96b3654e3617d28d62015928a45a85407d13
Reviewed-on: https://go-review.googlesource.com/c/tools/+/311376
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The type checker emits a TypeAndValue entry for (among other things)
every constant in a Go file. Normally, that cost is moderate. However,
in the case of a large slice literal, it can get out of control very
quickly. Imagine a code generator that creates a 2KB byte slice literal;
that's 2K TypeAndValue entries, each of which is considerably larger
than the 1-3 bytes for the source text.
Unfortunately, there are a number of such code generators. Notably,
there are such slice literals in proto code, e.g.
https://github.com/grpc/grpc-go/blob/master/examples/route_guide/routeguide/route_guide.pb.go#L360
This CL changes the type checking code to remove the TypeAndValue
entries for slice literals of basic types after the checker returns.
In the extreme case of https://github.com/googleapis/go-genproto, which
is nothing but protos, I see a ~40% drop in heap usage.
I believe this change is generally safe, but there's no way to guarantee
it. I don't think any editor features need to know the type or value of
an arbitrary slice element, but it is just barely possible that an
analyzer does.
Change-Id: Iee1af2369f994597a42fd1dcbf8af20faa43410e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/308730
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Modifies README.md to be clearer about the necessary version of the
typescript compiler. Adds generated code that allows unmarshalling
type errors on Initialize messages.
See https://go-review.googlesource.com/c/tools/+/310109
Fixes golang/go#35316
Change-Id: Id128c23e807e67e02d1354edaa0b164c9d36101c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/310753
Trust: Peter Weinberger <pjw@google.com>
Trust: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
The previous fix (d1362d7) is not sufficient for all cyclic types.
This change updates Deref function to support more complex cases.
We use a map with underlying types to detect cycles.
Fixesgolang/go#45510
Change-Id: I28f655a9c1d4f363cb7ae3f47db3e8567fe6e80a
GitHub-Last-Rev: 4c898741c0cf07cb765b759b1edf15e004fc1a0e
GitHub-Pull-Request: golang/tools#305
Reviewed-on: https://go-review.googlesource.com/c/tools/+/310311
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Links in the new LSP diagnostic CodeDescription for go/types errors are
missing a scheme (unclear why they work in some clients). Fix this by
delegating to the existing source.BuildLink helper (this also adds the
utm_source query parameter for pkg.go.dev).
Fixesgolang/go#44360
Change-Id: Ife8969f32bb11840c0fdd31765b6051b3d997a93
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Return a pointer type if the type refers to itself (for example, type a *a).
Fixesgolang/go#45510
Change-Id: Ifaf9c0fe9df8a1cab300479394a7127dfb820a88
GitHub-Last-Rev: 009802341673cfd24c04d6a115a6082029dfa2a2
GitHub-Pull-Request: golang/tools#302
Reviewed-on: https://go-review.googlesource.com/c/tools/+/310050
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Always use (*ast.TypeSpec).Type as a HoverInformation source.
Store a type name and an indication of whether it's a type alias
declaration as fields of HoverInformation.
Fixesgolang/go#45261
Change-Id: Ifbcdc15990379d0c73a419dd6cdf175d53dce925
GitHub-Last-Rev: 556dc94ab7d59fd251bbe0a537b19bc0fd7dd544
GitHub-Pull-Request: golang/tools#293
Reviewed-on: https://go-review.googlesource.com/c/tools/+/305189
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'go get -u all' works for this in Go 1.16, but in earlier versions,
we need 'go get -u ./...'. Also, include the -d and -t flags to avoid
building binaries and to upgrade test dependencies.
Fixesgolang/go#45262
Change-Id: I8b04783ffcd53e8066c5a25fef72d91ae975f5a2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/307889
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Now that https://github.com/bazelbuild/rules_go has a working prototype of a `GOPACKAGESDRIVER`, it may be time to revert that commit.
The draft implementation is at https://github.com/bazelbuild/rules_go/pull/2858.
Change-Id: Ia738e8be448d936f8a3b2b421d0a765f94bbff52
GitHub-Last-Rev: 0df6c91074febdddb5703a39591090acb5f42c05
GitHub-Pull-Request: golang/tools#297
Reviewed-on: https://go-review.googlesource.com/c/tools/+/307169
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Don't use GetParsedFile because it extracts a package with
TypecheckWorkspace mode, but we want to support std and
3rd-party packages. So, we reuse the content of GetParsedFile
directly in Highlight function with TypecheckFull mode.
Fixesgolang/go#43511
Change-Id: Ibd1d42e28a6739ba011113df0e6e7e98d1b86eb5
GitHub-Last-Rev: 3746092210a38ec152faf26c84f6b0a8bb9f0d25
GitHub-Pull-Request: golang/tools#298
Reviewed-on: https://go-review.googlesource.com/c/tools/+/307171
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Go to Type Definition works for all composite types except maps because
it is not clear which type to return if both key and value are named types.
Fixesgolang/go#45029
Change-Id: Ie14f333c51af11033e2494aaaac367d35e7dc87b
GitHub-Last-Rev: 94a04812eafe8c157819f0155ed7be2779437867
GitHub-Pull-Request: golang/tools#292
Reviewed-on: https://go-review.googlesource.com/c/tools/+/304789
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xyz and err in
type A func(xyz int) (err error), or
type B struct{xyz int}
were incorrectly marked as types, when they are not.
These are now marked as variables (although the choice is somewhat
arbitrary for A).
Fixesgolang/go#45233
Change-Id: I2df4eab7606c356f30bf3337c12d9190e74bc392
Reviewed-on: https://go-review.googlesource.com/c/tools/+/305209
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Trust: Peter Weinberger <pjw@google.com>
It would be nice if tsc -script code.ts util.ts ran without errors,
but it doesn't. tsconfig.json documents which strict setting work and
which ones don't. code.ts and util.ts have some small typescript improvements
and running them has changed slightly, as documented in README.md.
Change-Id: Idee4934bede900df2f64165359e17a42d695f518
Reviewed-on: https://go-review.googlesource.com/c/tools/+/305210
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There are 2 different anonymous struct declarations that require
different approaches:
1. var x struct{...}
2. x := struct{...}{}
For the first one we can use the existing solution with a minor update.
However, it returns the wrong docs for the fields of nested structs.
To fix this we need to visit all fields recursively.
The second one is not a generic declaration. So, the simplest solution
is to use the method Snapshot.PosToField.
Fixesgolang/go#43675
Change-Id: I46685e7985cbf2c1c5b1b74ef3cd3a70b920feba
GitHub-Last-Rev: 8a5704c2ecc3f8a007c00c7adcd637e56d99106c
GitHub-Pull-Request: golang/tools#284
Reviewed-on: https://go-review.googlesource.com/c/tools/+/300029
Trust: Rebecca Stambler <rstambler@golang.org>
Trust: Bryan C. Mills <bcmills@google.com>
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The blank identifier is always a local variable. It can't be
a function parameter or a return value.
Fixesgolang/go#44813
Change-Id: Ieca9da35aaa9f5826ab89ded73702bed952e1226
GitHub-Last-Rev: bb7a2353ab64eed7f13bd5b9cb3b85d90b71c0ed
GitHub-Pull-Request: golang/tools#294
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
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Move postfix completion functionality behind an experimental option
flag. For now users can enable it by setting
"experimentalPostfixCompletions" or "allExperiments".
I added a RunnerOption so regtest tests can tweak *source.Options. I
didn't refactor the "Experimental" mode to use the new RunnerOption
because I didn't fully understand its purpose.
Change-Id: I75ed748710cae7fa99f4ea6ea117ce245a4e9749
Reviewed-on: https://go-review.googlesource.com/c/tools/+/296109
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Postfix snippets are artificial methods that allow the user to compose
common operations in an "argument oriented" fashion. For example,
instead of "sort.Slice(someSlice, ...)" a user can expand
"someSlice.sort!". The snippet labels end in "!" to make it clearer
they do something potentially unexpected. The postfix snippets have
low scores so they should not interfere with normal completions.
The snippets are represented (almost) entirely as Go text/template
templates. This way the user can create custom snippets to match their
general preferences or to capture common patterns in their codebase.
There is currently no way for the user to create snippets, but it
could be accomplished with a configuration file, custom LSP command,
or similar.
I started by implementing a variety of snippets to help flesh out the
various facilities needed by the templates. The most interesting
template capabilities are:
- The ability to import packages as necessary (e.g. "sort" must be
imported to call sort.Slice()).
- The ability to generate unique variable names to avoid accidental
shadowing issues.
- The ability to weave LSP snippets into the template. Currently,
only {{.Cursor}} is exposed, which corresponds to the snippet's
final tab stop.
Briefly, these are the postfix snippets in this commit:
- foo.sort => sort.Slice(foo, func(...){}) (slices)
- foo.last => foo[len(foo)-1] (slices)
- foo.reverse (slices)
- foo.range => for i, v := range foo {} (slices/maps)
- foo.append
This snippet inserts a self-assignment append statement when
appropriate, otherwise just an append expression.
- foo.copy creates a copy of a slice
- foo.clear empties out a map
- foo.keys creates slice of keys
- foo().var assigns result value(s) to variables
- foo.print prints foo to stdout
Some of these are probably not very useful in practice, and I'm sure
there are lots of great ones I didn't think of.
Updates golang/go#39507.
Change-Id: I9ecc748aa79c0d47fa6ff72d4ea671e917a2d5d6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272586
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Declare an unexported type and use it in OfString/UnpackString
so it is impossible to fool the Label.UnpackString into
accessing a non-string.
Change-Id: I840fcc99590e532a78a5f9a416cd40ce9ec2163a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/305309
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At long last, with Pontus's help reproing on Github actions, we have
tracked down the race to the gc_details diagnostics.
Since toggling gc_details does not increment the snapshot ID, we have to
use careful locking to ensure that the gc_details diagnostics we store
are consistent with the current state of the gc_details toggle.
Updates golang/go#44099Fixesgolang/go#44826
Change-Id: I7b9108a829c98a84360c9012c1b60f4990839b5a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/304169
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Some of the refactoring changed the way that we label code action kinds,
and we need to add quickfix and fixall kinds for each diagnostic type.
Support a per-kind suggested fix, and fix a small issue in setting the
analyzer for a fixall code action.
Fixesgolang/go#45111
Change-Id: I6bb32c9aa7427b690f42910672d3139579e84478
Reviewed-on: https://go-review.googlesource.com/c/tools/+/303209
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According to its comment, reloadOrphanedFiles is intended to work around
overlay bugs. But as of 1.16, there are no overlay bugs that we know of.
So what is it still doing?
Apparently, quite a bit, not much of it useful. Clean up as much as
possible.
- Files with no valid package declaration are ignored by the go command.
There's no point trying to reload them; stop.
- During metadata invalidation, we clear out all IDs for a file, even if
only one of its IDs is invalidated, e.g. when a test package is removed.
That leaves valid metadata for the non-test, so we don't refresh it in
the workspace reload, and only catch it as an orphan. It seems to me we
should only remove the invalidated ID.
- If the client incorrectly sends us a didOpen for a non-Go file, we
will attempt to load it as an orphaned file. Fix the regtest that did
that.
- TestEmptyGOPATHXTest_40825 set up an invalid GOPATH: you can't work in
GOPATH/src. However, it exists to test code that no longer exists, so
just delete it.
After this change, almost none of the regression tests trigger orphaned
file reloading. It's difficult/impractical to rule it out entirely
because some of them only appear racily. Since I intend to remove the
code path, I'm not too worried about more creeping in before I'm done.
The only useful case is multiple ad-hoc packages. Because we only
allow one "command-line-arguments" package in the workspace, if you
switch between two the old one becomes orphaned. I hope to work on that
soon.
Change-Id: Ia355cf104280ce51f6189c6638e8da8f4aef2ace
Reviewed-on: https://go-review.googlesource.com/c/tools/+/302089
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With -mod=readonly, all go.mod diagnostics are covered by go get quick
fixes on import statements, so we don't need to run `go mod tidy` on
save for Go files. The real issue with this bug is the call to
WorkspacePackages, which type checks every package in the workspace.
Fixesgolang/go#45092
Change-Id: Ibb82a3e58ec345ebdb67c0cbef5e029dce2d5a30
Reviewed-on: https://go-review.googlesource.com/c/tools/+/303149
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Locating the workspace module by convention has multiple problems:
+ gopls's view of $TMPDIR might be different from the client
+ there might be multiple views
+ there might be multiple gopls sessions per pid
Instead, assign a temp workspace directory for each workspace folder,
and provide a command to access this information.
Cleaning up all these temp directories was overcomplicated. Instead,
create a temp directory for the gopls server to nest them under, that
can be removed up on server shutdown.
Also fix a bug where the snapshot was not acquired before copying its
workspace.
Updates golang/go#42252
Change-Id: I0641cebe09cd376dfa27373cac30397711c64a8f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/300409
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This CL updates addErrCheckAndReturn to return "if err != nil { t.Fatal(err) }"
if the conditions for such snippet completion are met.The CL allows for
the following condition:
The enclosing functions takes a type that implements testing.TB which allows
for tests, benchmarks and extensions to the testing object to be completed.
Also, this CL doesn't explicitly check for the Test/Benchmark function
signature so that test helpers can also get the same benefits.
The remaining conditions for the current "if err != nil" checks also apply.
In the future, more testing completions UX can be added.
Fixesgolang/go#43310
Change-Id: I45197ab25610e31fef629394c79cb3792b532e7d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/279488
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In debugging the metadata CLs, I noticed that when a view's only go.mod
file became unparseable, we would fall back into reloading the entire
view. In such cases, we should just not reinitialize.
Change-Id: I1b552158da8855bf80e9ded8b29c346c67564239
Reviewed-on: https://go-review.googlesource.com/c/tools/+/300674
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As much as possible, try to unify the codeAction code paths. We always
run analysis now. And rather than assuming certain categories of
analyzers will generate certain kinds of code actions, mark them
explicitly and use that information to filter the actions afterward.
Change-Id: I8154cd67aa8b59b2a6c8aa9c3ea811de2e190db4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/300170
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Generating go get quick fixes in a single place only made it harder to
get them right. Do it during diagnostics generation, as is the new
norm.
Also improve the user experience. When we fail to import a package
because one of its dependencies is missing, it makes more sense to run
go get on the package we tried to import, not the one that's missing:
that will download all of its missing dependencies if there happen to be
more.
Change-Id: Ib6a8140bccfafcb9f966d25639799dd4c7347c3d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/300072
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When parse errors occur, go's parse package cannot recover nicely.
gopls tried to compute folding ranges based on the partial info
in this case, but returning partial folding range info confuses
editors (vscode) and results in dropping previous folding range
info from the region after the parse error location.
This CL makes gopls not to return anything - so the editor can
tell the result is not believable and ignore it.
The ideal solution is to return a response explicitly surfacing
this case, but currently LSP (3.16, as of today) does not have
a way to describe this condition. See the discussion in
https://github.com/microsoft/language-server-protocol/issues/1200.
We also tried to make gopls return an error. While it worked
nicely in VSCode, we are not sure about how other editors handle
errors from foldingRange. So, instead, we just let gopls return
an empty result - since foldingRange is already broken in this
case, we hope it doesn't add a lot of noise to existing users.
VSCode Go will check the response from the middleware. If the
response is empty but the file is not empty, VSCode Go will
ignore the response.
(https://go-review.googlesource.com/c/vscode-go/+/299569)
Updates golang/vscode-go#1224
Updates golang/go#41281
Change-Id: I917d6667508aabbca1906137eb5e21a97a6cfdaf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/291569
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The logic to extract the receiver identifier from a func decl was
incorrect, accepting only the common T and *T syntaxes, and panicking on
*(T).
Fix this by copying the logic from go/types.
Fixesgolang/go#44806
Change-Id: I1c87ab21ac04e484972bc4161180ca1112df3c73
Reviewed-on: https://go-review.googlesource.com/c/tools/+/298852
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The only changes in this CL are semicolons.
Change-Id: Id13ef3d1e5634615cf6806c5465d066e1604554a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/299249
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Typescript merges different definitions for a type. This CL inserts
a pass over the types to do merges better. It also has a lot of
tiny renumberings to match error messages to the line they are on.
There are two substantive changes to code.ts:
1. In the first pass over the parsed types, setData() (at line 195)
is more careful about conflicts.
2. The new pass is cleanData() at line 528. All the code down to
line 670 is used for this.
3. At line 1094, the names chosen for generated types (structs
embedded in structs) needed to be made unique. The old code only worked
by luck.
4. To merge, the code needs to change Nodes from the AST. Unfortunately
the members of ts.Node are readonly, so one has to cheat the type system.
This is done three times, using a varaible named 'fake'.
The generated code in tsprotocol.go contains types that are never used.
In Typescript these are parts of union types, but the Go code has
chosen at most one of them.
Change-Id: I15a9e5adedce35ea5f47c3fbce2a8a552fb7337e
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This change fixes x/tools tests before CL 298650 lands. After that CL,
the go command reports a different error message when GO111MODULE=on
and it is invoked without a go.mod file (with a command that requires
a go.mod file). We plan to backport that change to 1.16.
For golang/go#44745
Change-Id: Idb3e146828703c89f788ae660ffc95aef16433e4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/298792
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Now that we're generating quick fixes at analysis time, we can use those
in code action requests and delete a fair amount of redundancy. The
codeAction function is a little cluttered, but I want to get it all in
one place before I decide how to split it up.
Change-Id: Icd91e2547542cce0a05c18c02a088833f71232a4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297532
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Type error analyzers can be viewed as enhancing type errors, rather
than analyzers in their own right. Create a source.DiagnosePackage
function that combines the list/parse/typecheck diagnostics with type
error analyzers. This allows us to remove some special cases from the
analysis path, and is a first step in removing all the special
handling for analysis quick fixes.
Along the way:
Pass pointers to source.Analyzer after I spent half an hour chasing a
loop capture bug. Spend a further 2-3 hours chasing slowdown in the
command tests as a result.
Move Unnecessary tag generation into diagnostic creation rather than
as a mutating post-processing step that required cloning diagnostics.
Change-Id: Id246667a9dcf484dc79516f92d5524261c435794
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Most callers of source.Package.GetDiagnostics do it via
GetTypeCheckDiagnostics. Push its logic up or down as appropriate and
delete it.
Rather than requiring fully populated maps of diagnostics, which was
rather subtle, call storeDiagnostics for every Go file in the package.
Change-Id: If43b0cc922af1013e80f969362246538df14985b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297878
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The current hover information for constant time.Duration is not very
useful because it displays nanoseconds. So, show formatted duration
as an inline comment.
Fixesgolang/go#44667
Change-Id: I6177455fb8932d1914d5cf623c0d9c4eff8f0b3f
GitHub-Last-Rev: e168968012741a1e614c66bc97fe60b196943ed3
GitHub-Pull-Request: golang/tools#281
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In CL 295413 we fixed the handling of related type checker diagnostics
to correctly identify the primary and secondary errors at a position.
However, on clients that don't support diagnostic related information,
this can lead to confusing primary diagnostics.
Add handling for clients that don't support related information, to
embed the secondary error in the primary error.
Fixesgolang/go#44735
Change-Id: I3d2470d2a4044661e6ed31ac9ffd2f9ff27f7d4b
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Rather than using the directory of the package, store the package ID and
calculate the directory in GCOptimizationDetails. I think this is
slightly more readable/cleaner.
Change-Id: I13cac8a7552b73b2bd5d25ff582b5d4936a74827
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297877
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CL 295414 suppressed all type checking errors in the presence of parser
errors, but this was a bit overzealous. go/types attempts to suppress
follow-on errors from bad syntax, so as long as we haven't had to modify
the AST and the current file parses, type checking errors can still
provide a decent signal to the user
Fixesgolang/go#44736
Change-Id: Icd89404fbae663b8f934a38908eaaa87c561b64a
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In practice, the only code shared among the various switch cases was the
call to spanToRange, which definitely doesn't justify the giant
function. Split it out into per-type functions.
I removed the unused case for types.Error, and a bit of error checking I
believe to be redundant. I don't intend any functional changes.
At this point it might be worth considering moving the functions into
other files, but I don't think it matters that much.
Change-Id: I05b4d86dd37a9ff1887a116183c915c225faf3a7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297129
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Hopefully improve some of the details around parsing that have always
confused me.
- parser.ParseFile will never return an error other than
scanner.ErrorList. Encode that in ParsedGoFile.
- parser.ParseFile will never return a nil file. Eliminate the code
path that handled that.
- Explain why we might fail to find a token.File.
- Trying to fix errors appears quite expensive even if there aren't any
to fix. Don't waste the time.
Change-Id: I87e082ed52c98a438bc7fd3b29e1a486f32fb347
Reviewed-on: https://go-review.googlesource.com/c/tools/+/297069
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When a //go:embed or //go:build (//+build) line changes, we need to
invalidate metadata. Do so. It might be preferable to only invalidate on
save, but we don't currently have an approach for doing that. So for now
we'll load on each keystroke in a magic comment.
Fixesgolang/go#38732, golang/go#44342.
Change-Id: Id05fb84f44215ea6242a7cf8b2bca4e85f74680e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/296549
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go/packages.Error has filenames relative to the go command's working
directory. We need to interpret them as such.
This would perhaps be better done in go/packages but with no release
process in place I'm leery of making changes to it.
Updates golang/go#44342.
Change-Id: I95bcdff0368efe09ec7059394e59a39bf195310b
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In typeCheckDiagnostics, we have logic to suppress go list and type
checking errors based on the presence of other errors. Nobody seems to
know why the logic is exactly what it is, and suppressing list errors
means that bad //go:embed patterns don't show up.
Intuitively, it makes sense to me that we don't want to type check if
listing or parsing fails: list errors mean that whole files may be
missing, and parsing errors may wipe out arbitrary chunks of files.
There's little point reporting errors from type checking that. However,
list errors and parse errors should be mostly orthogonal: go list
parses very little of the file and in practice only reports errors
parsing the package statement. So, at least for now, we report both
parse and list errors, and stop there if there are any.
Finally, move the suppression logic to the actual typeCheck function
that generates the diagnostics. typeCheckDiagnostics is the primary
consumer, but I think it's better to do the suppression at the source.
Because we are now showing list errors, and they are prone to getting
stuck due to bad overlay support, a couple of tests now require 1.16.
Change-Id: I7801e44c4d3da30bda61e0c1710a2f52de6215f5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/295414
Trust: Heschi Kreinick <heschi@google.com>
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Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Due to misuse of the expandErrors function, when we encountered a
continuing error, we would group all the related errors into a single
one, then return both it and all its secondaries individually. That
makes for a strange user experience where you get one complete error and
N-1 incomplete ones.
Instead, create a copy of the complete error for each secondary error,
moving the copy to the location of the secondary error and adding a bit
to the text to (hopefully) clarify what's going on.
Change-Id: I87cf0e3b2cea98317f650d16a78476edf108a934
Reviewed-on: https://go-review.googlesource.com/c/tools/+/295413
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According to https://golang.org/doc/go1.14#runtime
A consequence of the implementation of preemption is that on Unix systems, including Linux and macOS
systems, programs built with Go 1.14 will receive more signals than programs built with earlier releases.
This causes syscall.Open and syscall.ReadDirent sometimes fail with EINTR errors.
We need to retry in this case.
Fixesgolang/go#44478
Change-Id: I0b0291471e47e8682fac791e1ed024b5a42a56f8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/294730
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Trust: Heschi Kreinick <heschi@google.com>
Trust: Peter Weinberger <pjw@google.com>
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Vet complained about multiple definitions of the 'workspace' tag.
The underlying error was a failure to do type merging in alias types,
coupled with relying on luck when generating types and deciding which
type definitions to store. (Luck almost worked, but more careful type
merging made it too risky.)
The only noticeable change (outside tsprotocol.go) is that the
generated type names used in general.go now have serial numbers in them.
tsserver.go and tsclient.go just have new dates in their headers, but
are otherwise unchanged.
tsprotocol.go has more generated types (Workspace.*Gn). (There are
probably more types than are needed, but fixing that is for the future.)
All the tests pass and gopls seems to work ok. The revised code.ts will
be submitted in a future CL.
Change-Id: I7082755c327e7b6ebec57d4449eec1e0cc50fcd5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/294909
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### gopls
- Add `https` scheme to `CodeDescription.href`
According to the [LSP specification](https://microsoft.github.io/language-server-protocol/specification#diagnostic), `CodeDescription.href` must be [URI type](https://microsoft.github.io/language-server-protocol/specification#uri). As described in the [RFC](https://tools.ietf.org/html/rfc3986#section-3), the scheme is required for URI:
> The scheme and path components are required, though the path may be empty (no characters).
Current `gopls` does not add the scheme to `CodeDescription.href`, and this results in some LSP clients ([at least this client](https://github.com/autozimu/LanguageClient-neovim)) which are strictly validating the URI format to be failed to populate diagnostics.
Change-Id: I73f01c2e97ed1adb62fbed451a7c9b0c9794b66a
GitHub-Last-Rev: 6985bfe60e182ee788082d8fcb9515275d9612fa
GitHub-Pull-Request: golang/tools#277
Reviewed-on: https://go-review.googlesource.com/c/tools/+/294569
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Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild
Not strictly necessary but will avoid gofmt changes later
as people edit these files.
Change-Id: I20749ed82e18938a305d9425d0739f0ea7bd24c0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/294414
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Reviewed-by: Robert Griesemer <gri@golang.org>
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Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild
The Go 1.17 gofmt will insert the extra //go:build lines.
The older gofmts will not remove them.
Get ahead of the game by adding them now.
(Keeps x/tools tests passing on go repo trybots.)
Change-Id: Ifdb4af93f6cc38a9aa616516e923384b7312e991
Reviewed-on: https://go-review.googlesource.com/c/tools/+/294413
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Reviewed-by: Robert Griesemer <gri@golang.org>
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The comparable interface is introduced on the dev.typeparams branch.
Filter it out from gopls completion results so that it doesn't break
tests on the dev.typeparams branch.
Change-Id: Iba22c0980c09e99b454ce9e22813cc3a1f94a90c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/293931
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Previously, we were running `go get` only on modules, which led to us
not downloading dependencies of packages. This resulted in further
go.mod diagnostics that users could not resolve with quick fixes. Now,
download packages directly so that dependencies are downloaded.
Fixesgolang/go#44307
Change-Id: Id764ea5a2f7028e238eadaaba0ca3cfc765b85b4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/293729
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Our handling of go command errors was cobbled together, leading to
unexpected gaps and duplication. Refactor it to be more coherent.
Our goal is to turn every go command error into a diagnostic in the
relevant location. The errors don't contain error positions, so we have
to guess where they belong using the module names mentioned in the
error. If we can't find any reference to those modules, we are forced to
add diagnostics to all go.mod files.
I may have destroyed the intent of TestMultiModule_OneBrokenModule but
I'm not sure what to do about it.
Some cleanup along the way:
- Stop parsing modfile.Parse error text: it returns structured errors
and we can just use them.
- Return CriticalErrors from awaitLoadedAllErrors, and do error
extraction lower in the stack. This prevents a ridiculous situation
where initialize formed a CriticalError, then awaitLoadedAllErrors
returned just its MainError, and then GetCriticalError parsed out
a new CriticalError from the MainError we got from a CriticalError.
- In initialize, return modDiagnostics even if load succeeds: we are
missing packages and should not silently fail, I think?
- During testing I tripped over ApplyQuickFixes' willingness to not
actually do anything, so I made that an error.
Fixesgolang/go#44132.
I may also have fixedgolang/go#44204 but I haven't checked.
Change-Id: Ibf819d0f044d4f99795978a28b18915893e50c88
Reviewed-on: https://go-review.googlesource.com/c/tools/+/291192
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We haven't been able to reproduce this scenario, but it may be possible
when the user is in a broken state. Avoid panicking by gating every
use of obj.Pkg() with nil checks.
Fixesgolang/go#44300
Change-Id: Ia0c56a7fd5d6b89795dded1efdf05838f3de8209
Reviewed-on: https://go-review.googlesource.com/c/tools/+/292671
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It makes more sense to handle the import shortcut behavior at a higher
level anyway, so pull it out of findIdentifier and add a test for the
configuration.
Fixesgolang/go#44189
Change-Id: I96f08c7def154f6761efa727d693fdfb2fb722ab
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290789
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Before go1.16 was cut, I made one breaking change to the error codes,
inserting a new code value in the middle of the enumeration. Sync to
pick up this change. In the future, such breaking changes won't be made.
Change-Id: I1ee0d78a11971013b38a370207e1d472065a02d5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/292669
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findFile has a case that returns early if the file does not exist.
Handle this error in getFile to avoid inconsistently returning errors
when getting file handles for files that don't exist.
Unskip the test, since it is no longer flaky.
Fixesgolang/go#44227
Change-Id: I07a4f860cfc9f852728c31706bd924e419bd54e2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/291391
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Iterating through the map means that the ordering changes, which may
result in us creating different workspace module files for the same
workspace. We should be careful to always create the same file.
Change-Id: I4ccd3f9ebbbe81bb062285fe9c3ad675bdf2e53a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/291493
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We currently write directly to go.mod/sum via the go command, expecting
that editors will pick up the changes. While that's true for VS Code,
vim doesn't necessarily reload unchanged buffers. Change to send
explicit edits instead, but only if the file is open. Behavior when
using Go versions that don't support -modfile is unchanged.
Fixesgolang/go#44035.
Change-Id: Ie4e5cf60673b860f5dfcbdb726bee0efe6aae405
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290189
Trust: Heschi Kreinick <heschi@google.com>
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Reviewed-by: Robert Findley <rfindley@google.com>
Add the ListKnownPackages and AddImport methods to command.Interface and
regenerate bindings. Add empty implementations to lsp.commandHandler.
These are our first commands returning results. I'll update our docgen
to support result in a subsequent CL.
Change-Id: Ic3b7c0d9383ac8f3e1cb546a71e9c496a92a7840
Reviewed-on: https://go-review.googlesource.com/c/tools/+/291129
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
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When go.sum updates are needed in experimental workspace module mode, we
don't necessarily know which module needs the correction. As a fix,
apply all of these fixes to each module in the multi-module workspace.
The "add dependency" quick fix also seems to be broken, but I'll fix
that in a separate CL.
Fixesgolang/go#44097
Change-Id: Id4a6013f2aceb6b902dff3118b027f6cb99eb3c1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289772
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Smuggling the Context was too fancy, and unidiomatic.
Change-Id: Iabca39ed73d5a40bfe7d500358228700eefbc60f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290790
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Update our docgen to include documentation for commands. This is done in
an ad-hoc manner. We'll probably need to iterate on this as we go.
For golang/go#40438
Change-Id: I0a6922aa2f5e7dc4c8a43e0f843ddb54971cbe44
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290190
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/290111
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289970
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289691
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289489
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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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Reviewed-by: Heschi Kreinick <heschi@google.com>
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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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289272
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Trust: Hyang-Ah Hana Kim <hyangah@gmail.com>
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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289271
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289309
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289130
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Trust: Hyang-Ah Hana Kim <hyangah@gmail.com>
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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289129
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We still need to pass -mod=mod when AllowModfileModifications is enabled
on 1.16.
Change-Id: I9cecd30914eb52c9faa877cece25d5722b36df79
Reviewed-on: https://go-review.googlesource.com/c/tools/+/289695
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/288215
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/288214
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code.ts and util.ts for the latest version of the LSP protocol.
Change-Id: I911254ee7e66d91071e465ed83c456975e358ca4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/288732
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/287792
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/287032
Trust: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/286474
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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
Reviewed-on: https://go-review.googlesource.com/c/tools/+/287796
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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
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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
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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
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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
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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
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Reviewed-by: Russ Cox <rsc@google.com>
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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
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Jumping to definition in a regtest can indirectly lead to a didOpen
call, so the awaits added to TestUseGoplsMod to synchronize metadata
were ineffectual. On Android, this can lead to the race described in
golang/go#43652.
But in any case, all this bookkeeping of notifications is fragile. Avoid
it entirely by having the fake editor keep track of notification
statistics. In the future, we should use this to clean up many existing
regtests.
For golang/go#43554
For golang/go#39384
Change-Id: Icd1619bd5cdd2f646d1a0050f5beaf2ab1c27f37
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Our filesystem caching layer uses file modification time to invalidate
file contents. This is an imperfect heuristic, and on certain operating
systems with low resolution filesystem clocks (such as WSL), this can be
broken in practice.
A proper fix would be to just read the file contents directly and rely
on the snapshot to optimize file access, but we don't know that this is
a safe change. Instead, try to reduce the likelihood of false cache hits
by also checking the file size reported by Stat.
For golang/go#43554
Change-Id: I1af384db532725e84fa6f3a2e5469d10b43fee92
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On builders with low resolution clocks (e.g. WSL), it's possible for us
to miss file events that occur within a single 'tick'.
Fix this by instead tracking full file identity. Since we should have
only a few relatively small files in tests, the additional overhead
should be small.
For golang/go#43554
Change-Id: I05a48567f83007ff2278145638547c6ebb2523fd
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When renaming a type name, also rename indirect uses of the name as an
embedded field. This is conservatively isolated to just renames for now;
it's not clear to me that users would also want to see uses of embedded
fields as references.
Fixesgolang/go#43616
Change-Id: I41913d037fedb8c27a448cd922eeaf11a02d01f1
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Now that gopls is passing GOPROXY=off, running go list -m gives an error
if any modules aren't downloaded. We need to pass -e to get results for
the modules that we do have. Also add the missing error handling that
resulted in silent failure. That, in turn, reveals that we need to
explicitly ignore an expected error.
Fixesgolang/go#43333.
Change-Id: I77604650b67a3c480d8231c65f0486f22e4a6722
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Add a "licenses" command that shows the licenses of included software.
As special cases, we print the Go license first, and the LSP
specification license second since we bundle a Go version of it.
Change-Id: I3575073766a458c214108643b2b550c407a118dd
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We can't assume that we're in module mode when we rebuild the imports
cache. (This is a long standing bug, but I suspect it was made more
common by my recent CL that refactored this code.)
Fixesgolang/go#43544.
Change-Id: Ie35c43e6b6e496bd2fbf49cf9bf06c28cf1dab80
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The existing test didn't catch it because it doesn't look for specific
warning messages.
Change-Id: I1ec7f7a75c1055c960cdd7545331c2fd655e3aa8
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Use provided build flags may include -mod or -modfile, and these should
be removed before any go command calls that don't accept them.
Fixesgolang/go#43418
Change-Id: Ie96626bced5093c67fc1890533f1f8cc03d42c80
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Outgoing callhierarchy didn't handle different functions defined as
field in a struct as separate functions since they were declared by the
same AST node.
This change adds the identifier name to the key, so that a function
must share both declaration node and name to be considered "the same".
Fixesgolang/go#43456
Change-Id: Ifbced98f2e8fc3a303834f7cefbae66829b68d27
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This change both simplifies the options used to configure workspace
folders in regtests, and allows for configuring multiple workspace
folders. The WithoutWorkspaceFolders, RootPath, and NestWorkdir options
are all replaced by a single WorkspaceFolders option.
NestWorkdir was always a bit too magical, modifying the execution
directory within the runner itself. Instead, just explicitly move files
down into a nested directory.
runModfileTests was also a bit too much of a special case. Eliminate it
by adding functionality to run multiple times with different options.
Upon the way I started using literals to configure runs, and I think
this is cleaner. Let me know what you think about runMultiple, etc.
This overlaps with the execution modes, which could probably be
eliminated in a later CL.
For golang/go#42111
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The possible keys for analyses and codelenses are too long to enumerate
in settings, and we'd need to create enums for all possible analyzer
and code lens names, which is probably not feasible. Instead, collect
the list of possible values from the analyzers and command settings
generation and add them to enum values.
Also, handle default values by setting them in the enum keys instead of
one big default value. Quite a few hacks to get this right, but maybe
there are other better alternatives we can consider in the future.
Fixesgolang/go#42961
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This CL copies Heschi's structural changes to the options from CL 278433
and makes the necessary adjustments in the JSON and documentation
generation. Nested settings are grouped together and the "status" of a
given setting is also listed. Currently the only possible statuses are
"experimental" and "debug", but I will add "advanced" in a follow-up (to
indicate that a setting is only for advanced users).
The options "set" function still expects flattened settings to avoid
fundamentally changing people's current configurations, so VS Code Go
will just have to make sure to flatten the settings before sending them
to gopls (which should be easy enough).
No names of any settings are changed (Heschi's earlier CL adjusted the
experimental prefixes). As discussed offline, we've decided to prefix
any setting that we expect to delete with "experimental", and so we'll
leave existing setting names as they are.
Updates golang/go#43101
Change-Id: I55cf7ef09ce7b5b1f8af06fcadb4ba2a44ec9b17
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Check that some invariants are met when cloning the snapshot, in an
attempt to catch golang/go#43347
For golang/go#43347
Change-Id: I7404509027a1b0b0085133cba4d21d1006a52a57
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280698
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Autocompleting a import without quotes appends to the completion,
producing this result: `import math "math/"`.
This commit changes to skip completions when typing a import without
quotes, because the users can be typing the alias of the import.
Fixes: golang/go#42748
Change-Id: I7050989f1f90a6720c17f71f338e50fad1f01456
GitHub-Last-Rev: e7b189a04acd8e501d6d7ac944d25de19156d0da
GitHub-Pull-Request: golang/tools#263
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280652
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The fragmentation of the critical error reporting is getting in the way
of small fixes. This change adds a GetCriticalError function that reports
critical errors, while ModTidy and WorkspacePackages no longer report
critical errors. Any function that wants to process critical errors
should call AwaitLoaded.
Some other smaller changes are made to account for these changes. One
change is that we may report multiple *source.Errors, with the
assumption that duplicate diagnostics will be caught by the diagnostic
caching. Also, any `go list` error message that ends with "to add it" is
now considered an error that gets the "add dependency" suggested fix.
Fixesgolang/go#43338Fixesgolang/go#43307
Change-Id: I056b32e0a0495d9a1dcc64f9f5103649a6102645
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Analyzers are configured in the internal/lsp/source/options.go file as
well as settings, and we can generate documentation for them without
even using reflection. We add documentaton for each analyzer and list
whether or not it is enabled by default.
Change-Id: If0ffcd422f3f4a99ca3645c35197925ea1cc1616
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280352
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When -mod=readonly and GOPROXY=off are set, the newly imported package
is not type-checked with the new import until it is reflected in the
go.mod file. In such cases, we can continue treating the package as
unimported and get symbols through unimported completions.
Fixesgolang/go#43339
Change-Id: I864c2c6738b537093c0670a266e9030af33f2d36
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"gopls rename" appears to require a new name as a positional argument
but the command line help message doesn't include it. Update the help
message.
Change-Id: Iea769d2095b0642ebbacce128da336ec0dc56828
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280472
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The annotations map should use an enum to indicate expected values. For
now, we reuse the EnumValues to expose the information in the settings.
Later, we'll create a separate EnumKeys field to expose this information
more correctly.
Also, adjust some of the logic that applies the settings because it was
incorrect.
Both gopls/doc/settings.md and internal/lsp/source/api_json.go are
generated files.
Updates golang/go#42961
Change-Id: Ifb032b70caaae73defe9a540df20d098d313e68e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/280354
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When trying to get outgoing call hierarchy from an var func like:
func main() {
foo := func() {}
foo()
}
gopls crashed with a panic.
This change makes it return an empty call hierarchy instead.
It also adds support for testing outgoing calls where the expected
result is 0 items, to be able to test this change.
Fixesgolang/go#43376
Change-Id: Icd91bf54cb4fbd5203f5865f0ff9d81365c27d5d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/279469
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The gopls release process has a number of steps which can be easily
forgotten, but they are also easy enough to check. In the future, we can
certainly automate this process further, but this basic program will
validate that mistakes like golang/go#43256 are not made again in the
future.
Change-Id: I04641ae202bc6615f2e4c8810b5dab4885d37fd4
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golang/go#43335 explains the issues with using `go get module@none`,
which will only be resolved in Go 1.17. In the meantime, we use the
go command whenever possible, but if the module is not tidied, we
have to use textual edits instead. This means the go.sum file will not
be accurately updated to remove the dependency, but unfortunately, I
don't believe there is anything that we can do in that case.
Fixesgolang/go#43335
Change-Id: I771f68f34a6136e73e9dd82b692ed4c235c3b293
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Added some tests to hoverKind, matcher, env and directoryFilters
of configuration options.
I'm also add a validation on `env`configuration, to initialize the map if is nil to avoid the risk of inserting the values in a nil map. Please let me know if this validation is unnecessary.
Fixesgolang/go#34244
Change-Id: I387ad0a393d981d070002c7e3736acad7b2191bf
GitHub-Last-Rev: 4fe354754323471f3260f990a264807525b3571b
GitHub-Pull-Request: golang/tools#261
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Invalidating the workspace on any change to a go.mod can render a
workspace unusable. Only invalidate when changes are saved.
Additionally, invalidate the workspace if there is a saved change to
tracked go.sum changes.
Fixesgolang/go#42529Fixesgolang/go#42815
Change-Id: I5d903013b33b932eca4998513e3d0a534b2e5a61
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Package.ID() is far more useful to tag on events, as it disambiguates
multiple packages with the same path.
Change-Id: I03fd69f64641eb17155ca72ed2ef19641b75f004
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When internal data structures in gopls changed, the templates driving
the debug server failed because fields or methods they relied on
had gone away. At some cost, this change adds tests that all the
fields and methods in the templates can be satisfied.
The test assumes that all the template uses are through render() in
debug/serve.go. It checks that is list of templates is the same
as the server's, and then type checks each template.
The costs are
1. the template type checking is done by a new external dependency,
github.com/jba/templatecheck
2. To avoid adding a new dependency to x/tools, the test is in
the gopls module, not the debug package, so variables from the
debug package have to be exported
In an ideal world the debug package, and much of internal/lsp,
would be in the gopls package. In that case the cost 2 about could
be avoided.
In an ideal world, the core runtime template packages would
contain template checking code, and cost 1 would be unnecessary.
In a more likely (or not so distant) world, perhaps jba would move
(or allow us to move) the template check package into x/tools.
Change-Id: I36b509a00cbdcb5323ee1af3c1193b603c7a907f
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If there is no require block, we were misplacing the Upgrade code
lenses.
Change-Id: Ic7ea5f254747bc1e1fc8aa42d0facc52702b745b
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Hopefully this will prevent missing titles in the future. Confirmed this
works by removing an existing title.
Change-Id: Id8c7fa2eaffd043b5c66976d945376d6558f75bf
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We were getting duplicate diagnostics for certain mod tidy diagnostics.
The correct fix is to separate out the generation of such diagnostics
so that duplicates don't occur, but for now, this is the simplest fix.
I wanted to add a test, but my repro case involves `go clean -modcache`
and checking that a version cannot be downloaded, which doesn't work
with the file-based GOPROXY. I will probably have a CL at some point
that cleans up the way these diagnostics are produced.
Change-Id: I542648b4eae7aced15f720db6233c852879f2a26
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We were previously showing them even if there were no benchmarks to run.
Fixesgolang/go#43239
Change-Id: I51d1de12e86009cca6d8ea41208949ed01484f6a
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This CL handles the panic in the sergi/go-diff library which has not
yet been resolved. We add an error return to the ComputeEdits function
and return an error if there is a panic. I'm not sure if this is the
best approach, but it does seem better than allowing the server to
crash.
A concern would be that the user wouldn't know why their code wasn't
being formatted, but hopefully they might look through the logs and
notice the error message. At least, other features would continue
working. The best fix will definitely be the fix for the panic, but that
is not yet available.
Threading through the error return was not pretty, but I thought it was
probably worth doing since it could be needed in other situations.
Updates golang/go#42927
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These were missing titles, which was showing up empty for users in the
VS Code UI and leading people not to trust the fixes.
Also did a find references on SuggestedFix to confirm that we always
set the title in other cases.
Fixesgolang/go#43234
Change-Id: I8d0f272c383a2e1a364aefcec6650988d18d4fb4
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And regenerate docs and api_json.go
Change-Id: I7504c5257893617adcc0b657b61feb3cdb235061
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Existing spans defined within gopls are leveraged to add runtime/trace
tasks, regions, and logging.
This made it easier to understand gopls' execution, though we still have
relatively sparse logging (arguably because we're conscious of the fact
that logs are reflected back to the LSP client). Add a new log package
with the concept of log level to facilitate excluding trace logs from
the LSP.
Add a little bit of additional instrumentation to demonstrate the usage
of the new package.
Change-Id: Id337be806484201103e30bfe2c8c62c7d7c363c7
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This change adds a diagnostic and error message that appears when a user
edits a nested module in legacy mode. At first, I thought a diagnostic
would be enough, but it's actually quite difficult to spot it when you
have a bunch of "undeclared name" diagnostics caused by the nested
module, so I figured a progress bar error message would also be useful.
This error message just indicates to the user that they should open the
nested module as its own workspace folder.
Also, while debugging this, I noticed that command-line-arguments
packages can have test variants, which we were never handling.
So I addressed that in this change.
Fixesgolang/go#42109
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Provide both the current values and default values of Options. These
are in the Sessions tabs.
Display in the debug server, including the Options, needs work.
Change-Id: I970fa65631702b79f6e5f8089a5b1cc5daa8334e
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For every file change, we want to diagnose the resulting snapshots.
However, we also want to diagnose the file in its "best possible" view
(for example, for a nested module, we should use the inner module rather
than the outer module).
Add a bestView function that operates on a set of views, which allows
us to a pick a view out of the *views affected* by a file modification,
not out of *all* of the views in the session. This means that we can
pick the best view, if any, for each file change and then only return
the snapshots that we should diagnose, as well as the changed URIs for
those snapshots.
Fixesgolang/go#42890
Change-Id: Iad23d5ed4832dfd857f1424a7244cf3bd8900e3b
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The "you are neither in a module nor your GOPATH" warning doesn't fit
our current notification style, so adjust it to appear as a progress
report and clean up the associated tests.
Change-Id: I32b96f17f3b9715403e465e3e0f9705f5d859147
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`go get -u all` can have unexpected behavior for some users, since
upgrades all transitive dependencies as well as direct ones. Offer users
the ability to upgrade only direct dependencies via a code lens.
Also, change the placement of the upgrade code lenses. The module
declaration was getting cluttered, and they make more sense above the
requires anyway.
Updates golang/go#38339
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Users working in large repositories may want to include only selected
directories in their workspace to avoid memory usage and performance
slowdowns. Add support for inclusion/exclusion filters that control what
directories are searched for workspace packages and modules. Packages
that are excluded by the filter may still be loaded as non-workspace
packages if other things depend on them.
For a description of the option's syntax, see the documentation.
Note that because we don't have any way to communicate the filters to
packages.Load, we still run go list on the unfiltered workspace scope,
then throw away the irrelevant packages. That may cost us, especially in
workspaces with many files.
Comments on the naming welcome. Also, if you know any places I may have
missed applying the filter, please do tell. One thing I thought of is
file watching, but that's covered because allKnownSubdirs works off of
workspace files and those are already filtered.
Possible enhancements:
- Support glob patterns.
- Apply filters during the goimports scan.
- Figure out how to apply the filters to packages.Load. I don't know
how to do it while still being build system neutral though.
Closesgolang/go#42473, assuming none of the enhancements are required.
Change-Id: I9006a7a361dc3bb3c11f78b05ff84981813035a0
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When GO111MODULE=auto and the workspace is outside of $GOPATH/src, we
should still show diagnostics about how to correctly configure
multi-module workspaces. We should not show these warnings for
workspaces outside of a module within GOPATH.
This adds an extra piece to the WorkspacePackages error logic--we may
still need to show the errors even if WorkspacePackages returned
results. We should eventually consolidate all of this logic to be more
cohesive, but for now I think it's more important to cover all of the
different cases and add tests.
Updates golang/go#42109
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In CL 268157, I tried to be careful about only deleting workspace
packages when we were certain they had been deleted. After investigating
this issue a little bit more in practice, I think we can afford to just
delete any package ID that has had a file change package names. We don't
always have valid metadata to use from the previous snapshot, and we
will pick up the new workspace package on the next reload.
Also, hardcode GO111MODULE=off for a test that was failing on my
machine at master.
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When generating a default param name based on a type name, we want to
ignore any package qualifier. For example, if the type is "ast.Node"
we want to generate the variable name "n", so we must ignore the
"ast." qualifier. To do this we use a types.Qualifier that always
returns empty, but qualifyExpr wasn't respecting an empty qualifier
because it is doing manual ast manipulation. However, it seems like
things "just work" if you set a SelectorExpr's "X" to empty
string (i.e. only "Sel" is output when formatting).
Fixesgolang/go#42794.
Change-Id: Ied86b9511e4a9550590417c5a506fe35d561d4f9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275519
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While evaluating workspace symbols, we avoid duplicate packages per
package path in an effort to save computing time and eliminate duplicate
results. But for simplicity, we later guard to ensure that we don't ever
walk files twice.
We can just rely on this guard to prevent duplication, and walk all
known packages. This ensures we don't miss symbols, at minimal
additional cost, and simplies the code.
This is a roll-forward of CL 272686, which was accidentally submitted
too early.
Fixesgolang/go#42791
Change-Id: I8c39b7afe6c38fedb0e21831d88c28d13d51f102
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274243
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When running with -mod=readonly, we need a go.sum to be present for go
command invocations. Achieve this by merging the go.sum of tracked
modules.
Fixesgolang/go#42509
Change-Id: I36dd084f865ebcee0ba6e1e542fdf51031b1487e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272886
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Given package f containing f.go and f_test.go, the test variant for f
will have both in its list of go files. But the variant is deleted as
soon as f_test.go is deleted, and we should stop trying to load it.
Adjust the workspace package logic in (*snapshot).clone to consider only
_test files when checking whether to remove a test variant.
External tests don't need this logic, since they don't include the
normal files, but it doesn't hurt so there wasn't any point in being
picky.
Change-Id: Id0060ad4593545a85df74c3d1997338005ceb736
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275273
Trust: Heschi Kreinick <heschi@google.com>
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In Go 1.16 error codes as well as start and end positions are added for
go/types errors. This information is temporarily stored in unexported
fields, until we're more confident in the correctness of both the API
and the underlying data.
Read this information using reflection and, if available, use it to set
the corresponding field in compiler diagnostics. This establishes a
positive feedback loop: in most cases this should improve the gopls
diagnostic, and wherever it doesn't we can make a note and fall back on
the old heuristics for that error code.
For golang/go#42290
Change-Id: I37475189cbd14a0a5bcfde163f599c9a7b957372
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Executing the "go test" command did pass Package.PkgPath() as first
argument to the go invokation before. That failed when using test
packages with _test suffix.
The "go test" command now use Package.ForTest() instead.
Fixesgolang/go#43037
Change-Id: Iea1a0e0c949a53770c1d3e1126a16a9c4952a53f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275496
Trust: Pontus Leitzler <leitzler@gmail.com>
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Two changes are made to speed up the regtests (from 150s->100s on my
desktop):
+ Eliminate WithoutExperiments in favor of just Singleton mode, now
that we're not running other tests in Forwarded mode by default.
+ Reduce the diagnostics delay to 10s, which should still be enough to
exercise bugs related to debouncing but is not so much that it slows
down the tests significantly.
Change-Id: Ia12c8417aee7bb50baccce27e1e1752315900b76
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275450
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Trust: Robert Findley <rfindley@google.com>
There was a race to the background context that allowed work for earlier
snapshots to run on the background context of later snapshots. For
example, the following sequence is possible and has been observed in
tests (admittedly at unrealistic time scales):
- snapshot N is created
- view.cancelBackground() is called
- snapshot N+1 is created
- snapshot N+1 is diagnosed
- snapshot N is diagnosed
- snapshot N is destroyed
Fix this by pinning the background context to the snapshot. This also
makes more sense; I'm guessing the background context being on view is a
vestige of when more work was done on the view.
For golang/go#42837
Change-Id: If9cbad7361de823da9bfd2f55cb2f8b3aed95075
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These options were added in CL 274532, but it's not possible for users
to actually set them.
Change-Id: I85642ada017f225d4d77e4dfc97fe13847f4091a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275442
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As part of the earlier changes, I didn't realize that multiple //-style
comments would be grouped as one *ast.Comment, even though they are
multiple comment tokens. Handle the possibility of multiple consecutive
comment tokens.
Fixesgolang/go#42923
Change-Id: I6bc6cbdfb28a8e60c699288528566e406f27514c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275012
Trust: Rebecca Stambler <rstambler@golang.org>
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We've been aiming to enable diagnostic debouncing by default, and now
that CL 269197 is merged, I think it's time to do that.
I know that the experimental setting had it at 200ms, but the 250ms was
specified in golang/go#42693, so I'm not sure which is preferable.
Also, fix a bug I introduced in CL 269197, which set alwaysAnalyze to
true for diagnoseChangedFiles. This should only be used for testing.
Add a requirement for 1.13 to one test that relies on good overlay
support (loading the file directly produced a different response from
the full workspace load).
Fixesgolang/go#42693
Change-Id: I49b764a8d473a66a01ef0f2c6f4cbe2d512fd64e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274445
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difftest using output of GNU diff, which will be translated based on
LANG settings.
Fixesgolang/go#42962
Change-Id: Id4ae22da04077eb7cda7faace306fdbe1836ec60
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274992
Trust: Meng Zhuo <mzh@golangcn.org>
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We adjust the value of GO111MODULE to "auto" when running the go
command, since it handles more edge cases. However, in some cases, we
may want to know the environment's actual value of GO111MODULE, so
separate out these two concepts.
Also, as of Go 1.13, `go env` reports GO111MODULE, so add it to the
environmentVariables, but only for Go versions >= 1.13.
Removed a regression test that doesn't seem very important--looks like
even `go env` will fail with GO111MODULE=on and a malformed GOPATH.
I don't think that it's important that `gopls` continue working in such
a case, since the go command will also fail.
Change-Id: I8147782222261a190d0f1017fe9f6043f2ac0cdb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275013
Trust: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Heschi Kreinick <heschi@google.com>
The LSP server tracks the snapshot ID for which diagnostics were last
published, but this ID was not being updated if the publish was
suppressed when there are no changes, which can cause incorrect
diagnostics when snapshots are published out-of-order (a separate bug).
Fix this to update the snapshot ID when the current published
diagnostics match the latest computed diagnostics.
Fixesgolang/go#42837
Change-Id: I3634e6f351a479aefa5c9423956720431590d814
Reviewed-on: https://go-review.googlesource.com/c/tools/+/275238
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This check doesn't need to be super precise about the snapshot it uses,
and it's only needed in the case of a didChange. We can refactor this
code to simplify it a bit.
Change-Id: I360be78bed236cb188b32b17cc7515bc4a3e42ba
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274451
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Combine the generation of the API json with the generation of the
documentation. This cuts out a step from the generation process, and
allows us to depend on third-party modules. Use litter to print a
composite literal instead of JSON text, which will diff and merge much
better.
The only real drawback is that you have to "go run" from the gopls
module to avoid adding the extra deps to tools.
Sorry about the copy and paste; there's relatively little actual code
change, just a bit in doMain and rewriteAPI.
Change-Id: Iac936d31b7e52651b3b33f27497cfdbd133f1e76
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274373
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The changes to require more explicit dependency management and network
access are very user-facing, and we may not fully understand their
implications. Allow users to roll them back with options for the moment.
Ideally we'll be able to remove them in a few months after things
stabilize.
Change-Id: I5a5ff7c9f3afa490b9945604109c4e3bd9bd7844
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274532
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Reviewed-by: Robert Findley <rfindley@google.com>
With -mod=readonly set, we no longer automatically add new requires to
go.mod, even the temporary one. We have the go mod tidy code lens, but
that only works on saved files, even in 1.16 due to golang/go#42491.
Plus we may remove the code lens's network access in the future.
Add a simple quick fix for import errors that runs (the moral equivalent
of) go get on the missing import.
Change-Id: Id5764a37ce7db0dce5370da9d648462aefa2042b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274121
Trust: Heschi Kreinick <heschi@google.com>
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For users with poor network connections, go command invocations that
access the network may hang up for long periods of time. Even for
users with good network connections, accessing proxy.golang.org or
github can take a few seconds, which is a long time to lock up an
editor.
Disable network access via GOPROXY=off when running most go commands.
There are two notable exceptions. First, the initial workspace load is
allowed, though subsequent loads are not. My reasoning is that if the
user is opening a project they've just downloaded, they probably expect
to fetch its dependencies. (Also, it's convenient to keep the regtests
going.) The second is the go mod tidy diagnostics, which I hope to
address in a later change. All the other commands that access the
network are at the user's request.
When the workspace load fails due to a dependency that hasn't been
downloaded, we present a quick fix on the go.mod line to do so. The only
way that happens is if there's a manual modification to the go.mod file,
since all of the other quick fixes will do the download. So I don't
think there's a need to present the fix anywhere else.
Updates golang/go#38462.
Change-Id: I470bc1ba790db7c1afee54d0b28fa0c6fd203fb9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274120
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Go 1.16 will set -mod=readonly to be the default behavior of the go
command. This CL changes gopls' behavior to be more in line with that.
The model we end up with is more explicit about managing the go.mod.
Previously, adding an import for a package in the module cache but not
in scope would succeed, but add a warning with a quick fix. Now, the
import will fail, again with a quick fix, and the project will not
compile until the require is added. It also means that the go.sum needs
to be in sync. Previously, the go command would update the temporary
go.sum if the user's was out of date, and then we would discard those
changes. Now, loads will fail until the go.sum is brought into sync,
either by `go mod tidy` or the new "update go.sum" command.
The go.sum requirements affect many regtests. I added a DumpGoSum
function to the environment, which prints the txtar format go.sum file
that needs to be added to the workspace. We'll need to keep them in
sync, unfortunately. We could update them on the fly, but that would
slow down the regression tests somewhat and potentially mess up the test
setup. So I'm not sure what to do exactly. Perhaps maintain them
out-of-line in a separate file that could be auto-updated? Dunno.
I also had to add go directives to go.mod files to keep old Go versions
happy.
Multi-module workspace mode currently doesn't create a go.sum file at
all and is held back to the old behavior until it does.
Change-Id: Ib31afc17614afac2f5fbdf31c7fc03a90bd13e3a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/268597
Trust: Heschi Kreinick <heschi@google.com>
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I've recently started working on gopls. It's been a fantastic
experience, but the testing strategies here have required non-trivial
mental work to understand. (thanks Rebecca for all your help!)
Now that I understand the testing a bit better, I wanted to codify it
into a readme for the next person that comes along.
I've taken a stab at that: please feel free to suggest heavy edits,
it's just a best-effort attempt.
Change-Id: Ib739d40ef71018521cd904844443e8c9634a10a6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/273066
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
Trust: Jean de Klerk <deklerk@google.com>
Previously, we would always reload views with invalid build
configurations on every call to reloadWorkspace, even if the metadata
had no reason to be treated as invalid.
Fixesgolang/go#42813
Change-Id: I9e0e493228916262908b81bc1b1ab1eb4e4eca9e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274443
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Currently, when a user opens a workspace with no top-level module but
multiple modules in subdirectories, gopls treats that as an invalid
build configuration and reports an error message that may be difficult
for the user to understand (a go list error message about creating a
main module in the top-level directory). Instead, show a more useful
error message about the gopls workspace layout in both the progress bar
and as a diagnostic on every open file.
This fix only works for GO111MODULE=on (for now) because it's a lot
easier to interpret user intent, and the go command will return no
packages. The next step will be to improve error messaging for
GO111MODULE=auto and for users with nested modules.
Updates golang/go#42109
Change-Id: I702ca6745f7e080ff6704ade7843972ab469ccf3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272346
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In some cases (such as presenting more helpful error messages), we need
to know the number of go.mod files in the workspace--not just the
active go.mod files. Track both known and active mod files separately.
Change-Id: I068f76c2930c90cd0fdf5ce637e5934210880f65
Reviewed-on: https://go-review.googlesource.com/c/tools/+/273047
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(source.Package).Imports only returns successful imports, but go mod
tidy looks at all of them, so we need to include MissingDependencies in
the key too.
Change-Id: I790fd8d3cfd8e85be18a435698954e55611cfd8c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274240
Trust: Heschi Kreinick <heschi@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
Previously, we had an optional file search limit in the findModules
function. We should stay consistent, so change that to a non-optional
default of 1 million files. We should adjust this if it's necessary to
reduce the limit.
Change-Id: I2664a8760362d03d40867c8208ae0b83111cd4f4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/273307
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Without this, analysis diagnostics have to wait until the entire
workspace is analyzed, which has a noticeable latency.
Refactored diagnosePkg out of diagnose to reuse code, and cleaned up
the showMsg and seen file logic a little bit.
Fixesgolang/go#42499
Change-Id: I51314dab156dce87dc19eba997c53d2aea428b6c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/269197
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We can offer better error messages to users in GOPATH mode. The Go
command has clear error messages indicating where it's looking for
its dependencies, so we can borrow these messages too.
The error message will look like this:
https://user-images.githubusercontent.com/5856771/100292862-bde8bb00-2f4f-11eb-9920-d945ee2c7e87.png
Change-Id: I39d367d0731ea5b7b7bb963699be3003b4fefe86
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Reviewed-by: Heschi Kreinick <heschi@google.com>
We don't check the value of GO111MODULE before finding all of the
modules in the workspace, meaning we treat the workspace as if it has
modules even if modules are disabled. Before creating a workspace,
we now do check this.
Change-Id: I36b9d13f3b8382e65de36b4b4deed68f5b59e21d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/273309
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Reviewed-by: Robert Findley <rfindley@google.com>
We currently have partial, untested support for symlinks. Remove all
support for now until we come up with a decision.
I thought we could re-enable the OpenBSD trybot since we think it was
failing because of the latency of evaluating symlinks, but it seems like
it's still failing.
Updates golang/go#42833
Change-Id: Iece1741def4eaaeffe5fecd10f884c1cce87f449
Reviewed-on: https://go-review.googlesource.com/c/tools/+/273190
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gc_details runs against on-disk files, so showing the resulting
diagnostic on unsaved buffers can result in incorrect positions.
Change-Id: I997d01776b9a31dfb2aa731d6d9b1ac34f22f771
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Trust: Robert Findley <rfindley@google.com>
If XDG_RUNTIME_DIR is set, it makes more sense as a location for the
gopls daemon socket than TMPDIR.
This avoids auto discovery issues when TMPDIR is overridden for certain
editors.
For golang/go#41266
Change-Id: I5a0a20c6185ca60d8ff03b8d948b17a636aa8404
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274272
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Expanding the set of modifications in the cache package leads to a
mismatch when the didModifyFiles code in text_synchronization.go
processes the list of modifications.
Change-Id: Id0b7fea445103b34838fb9b03aee95a01e454306
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274192
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Reviewed-by: Heschi Kreinick <heschi@google.com>
A guard against publishing stale diagnostics was removed in CL 269677,
because the signficance of diagnoseDetached was overlooked. Restore it.
For golang/go#42837
Change-Id: I911c4707a9c18a632ce32e0c25c43ae2e92135b2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/274241
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While evaluating workspace symbols, we avoid duplicate packages per
package path in an effort to save computing time and eliminate duplicate
results. But for simplicity, we later guard to ensure that we don't ever
walk files twice.
We can just rely on this guard to prevent duplication, and walk all
known packages. This ensures we don't miss symbols, at minimal
additional cost, and simplies the code.
Fixesgolang/go#42791
Change-Id: I97000dbe29e67bda6071d5119a6edb7c5fa4da80
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272686
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This updates fillstruct to work even when the struct is partially
filled. User supplied fields are preserved but comments are blown away.
Preserving comments appears to be very hard with the current ast
library. One possible option is to do manual string shenanigans, but
after exploring that path it seems like A Bad Idea.
Fixesgolang/go#39804
Change-Id: Iec0bb93db05d4d726dfa6c77a8139f53b14bcc77
Reviewed-on: https://go-review.googlesource.com/c/tools/+/262018
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For example:
func wantsInt64(int64) {}
func wantsDuration(time.Duration) {}
func _() {
for i := range []string{} {
// inserts "i" as "int64(i)"
wantsInt64(i<>)
// inserts "i" as "time.Duration(i)"
wantsDuration(i<>)
}
}
Type converted candidates have a significant score penalty so they
should never outrank a directly assignable candidate, other factors
being equal.
To minimize false positive completions, we don't offer converted
candidates if either:
- The candidate is a deep completion into another package. This avoids
random "float64(somepkg.SomeVar)" popping up when completing a
float64.
- Don't offer to convert ints to strings since that's not normally
what the user wants.
After going back and forth I decided not to include the type
conversion in the candidate label. This means you will just see the
candidate "i" in the completion popup instead of "float64(i)". Type
names add a lot of noise to the candidate list.
I also tweaked the untyped constant penalty to interplay better with
the new type conversion penalty. I wanted untyped constants to be
ranked above type conversion candidates since they are directly
assignable, so I reduced untyped constants' penalty. However, to
continue suppressing untyped constants from random other packages, I
applied a similar heuristic to above where we give a bigger penalty if
the untyped constant is a deep completion from another package.
Fixesgolang/go#42764.
Updates golang/go#39207 (untyped constant penalty tweak may improve
this situation).
Change-Id: I565114b3a1c9628285d07200b9dfc45c61e5d898
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We can offer better error messages to users in GOPATH mode. The Go
command has clear error messages indicating where it's looking for
its dependencies, so we can borrow these messages too.
The error message will look like this:
https://user-images.githubusercontent.com/5856771/100292862-bde8bb00-2f4f-11eb-9920-d945ee2c7e87.png
Change-Id: I888b33804eec7f38c329ae2e4343b82fcc22f1df
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272166
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Reviewed-by: Heschi Kreinick <heschi@google.com>
Some of our options were listed as experimental, despite being fairly
stable and intended for general use. Others were listed as user options,
when they should really be "deprecated" and moved into the internal
options section (which has no public documentation). Moved these various
options into the correct sections.
Fixesgolang/go#42674
Change-Id: I89724521f70707f1feb4ecb8b5ed671e988d09eb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271420
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VS Code's file watching API doesn't send notifications about directory
deletions unless you register for them explicitly (see
https://github.com/microsoft/vscode/issues/109754). Rather than watch
every file in the workspace, keep track of every relevant directory and
register file watchers for it.
This CL moves the snapshot's WorkspaceDirectories function to the
session and changes it to a KnownDirectories function. It returns all of
the directories and subdirectories known the session at a given moment.
Top-level directories are marked as such so that their *.{go,mod,sum}
contents can be watched, while subdirectories are just watched by path
so we can be notified of deletions.
Fixesgolang/go#42348
Change-Id: Ic6d02dba55b5de89370522ea5d3cf1d198927997
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271438
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This change adds Matthew Dempskys maligned analyser as fieldalignment,
modified to provide suggested fixes as well. The pass detect structs
that would take less memory if their fields were sorted.
It is also added to gopls as an opt-in analyser.
Change-Id: I549215807d2fb7244ea4f58739bab98b0dea9c0e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/270217
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Update the logic that extracts positions from error messages to handle
optional column numbers, and then use that function when extracting
go command errors. This will be useful in parsing go list errors.
Change-Id: Ie68de1439f002c30f785c0c121c5cec4f2fea727
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272095
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The workspace symbol tests are not really resilient to changes and
did not generate/use golden files consistently. This made it really
tricky to switch the workspace symbols defaults.
To improve the workflow, consolidate the different kinds of tests into
one function, generate and use golden files, and require that all of the
workspace symbol queries appear in one file only. Also converted the
brittle workspace symbol regtest to a marker test.
Update golang/go#41760
Change-Id: I41ccd3ae58ae08fea717c7d8e9a2a10330e8c14f
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Some features (notably, workspace symbols) produce results with file
paths outside of the command-line package. This logic can be useful for
all tests, so factor it out into the shared testing package.
Change-Id: I2e00ebc0174079660c2f07562c50fd9377088475
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Our handling of diagnostics has gotten complicated and has recently been
a source of bugs. Heschi and I took a step back and refactored the
diagnostic pass, starting with a new data structure for tracking
diagnostics.
The LSP server now holds a map of URI to collection of diagnostic
reports, which is used to track diagnostics as they are computed by
multiple sources. Additionally, this collection holds a hash of the
last published diagnostic set.
This new information allows us to implement an algorithm for
incrementally updating diagnostics on the server: diagnostics reports
are stored as they are computed for a snapshot, and then published in
(possibly multiple) passes, with the last pass for a snapshot being
marked as 'final'. In non-final passes, 'publishReports' publishes any
diagnostics that have already been computed for the snapshot, but does
nothing with URIs for which no diagnostics have been computed. In final
passes all diagnostics are reported, with empty diagnostics being
published for any URIs with no diagnostic reports. Any URIs for which no
diagnostic reports were computed are pruned from the diagnostic set. In
all cases, tracking the hash of published diagnostics prevents us from
duplicate publication.
This enables some simplifications of the existing diagnostic logic.
Computing new diagnostics and tracking send diagnostics is now handled
by the same algorithm, avoiding some bookkeeping. It is also no longer
necessary to explicitly clear diagnostics for deletions. This fixes some
previously broken edge cases, for example when packages go out of scope
due to go.mod or gopls.mod changes.
Fixesgolang/go#42198
Change-Id: Id0d8d0f7a60f6ffa8c33f0ae41763461f61dab7b
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There was a bug and inconsistency in how const identifiers were
categorized when being used. The new code always makes them readonly
variables.
The predeclared identifiers (true, false, nil, iota) were treated
inconsistently. The new code makes them all readonly variables.
Under rare conditions the output from gopls semtok was not syntactic
Go code because is would put a /* comment immediately after an
operator /, thereby generating a spurious line comment.
Fixesgolang/go#42715
Change-Id: I5b1ccfaf607d6baa58c132e460c5617db6634a72
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272208
Trust: Peter Weinberger <pjw@google.com>
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We both showing errors as a popup and returning them to the client,
which would then most likely show them as a popup. Don't return errors
back to the client.
Change-Id: I8486534e19399d514752900025d6db8db85d5086
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272090
Trust: Heschi Kreinick <heschi@google.com>
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These tests require special cases and are difficult to understand in the
marker format. They are much simpler as regression tests.
Fixesgolang/go#40332
Change-Id: I791b9092d0f3d08aa5415eced427850626f8eb2a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272207
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We should be consistent about whether we pass around Error or *Error.
*Error was somewhat more common, and its Error method has a pointer
receiver, so I picked *Error.
ErrorList, on the other hand, is usually dereferenced when used, and
slice headers are small enough to pass around casually. So switch that
over to a non-pointer and change its Error method to a value receiver.
Change-Id: I19e70201ed1d6ef36d217db21c9101bb810bcf0c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272092
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In
type myAlias = someType
type _ struct {
myAlias
}
Previously running "definition" on the "myAlias" field would take you
to the definition of "someType" instead of "myAlias". This is because
we were using the field's (*types.Var).Type() which has already
forgotten it is an alias. Fix by instead looking up the field name
ident in types.Info.Uses which yields the *types.TypeName (for the
type alias).
Fixesgolang/go#42254.
Change-Id: Idbbd0c49ba6f701f52568b3ab1143d8e24037c69
Reviewed-on: https://go-review.googlesource.com/c/tools/+/272186
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Trust: Robert Findley <rfindley@google.com>
If the user opens a parent directory of a single module, we can load
their workspace without using some of the workarounds of experimental
workspace mode, simply by narrowing the workspace to this nested
subdirectory.
Do this by extending findAllModules to support a limit on the number of
modules and files to search.
Updates golang/go#41558Fixesgolang/go#42108
Change-Id: Idba800a0deaeee5137d46f16a30b2012ff902a36
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This change adds support for showing go.mod parse errors as diagnostics.
There was previously a bug in parsing these error messages, and the
diagnostic reports were also not being published if the IWL failed.
Change-Id: I56197b91c49fb68e35d8886175435d5c38bfb8c2
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This change adds tracking for package name changes, which we can use to
determine if a workspace package ID may have changed or been removed.
It's a little bit tricky for something like a test variant, because you
want to invalidate the ID only if the test variant only files have
changed package names. I figured it would be ok (speed-wise) to call
guessPackageIDsForURI on the other files since this should be a pretty
rare case.
Fixesgolang/go#40690
Change-Id: Ib3f7eed526eb5bb455e17c362632ec7ac0ecd1cf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/268157
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Throwing away all of the metadata in the package means it will be
expensive to reload, so it makes sense to keep it around until a go.mod
file has been saved, indicating that the user is more likely to be done
typing. Otherwise, we will be triggering full package metadata reloads
on every keystroke.
Fixesgolang/go#42529
Change-Id: Ibc4f4bc8937f8f7176da79e9fefe166468578993
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271299
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This allows us to show parsing errors as part of module diagnostics.
Change-Id: I558b95c145135482fdfceef8a5c68c62a6d32721
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271630
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This addresses the race seen in
https://storage.googleapis.com/go-build-log/5ba1c3f2/windows-386-2008_2bf3acc7.log.
Paraphrased from Rob in chat:
The race is triggered because of the additional asynchronous handling of
file changes added to sync non-dirty files on disk changes. The buffer
is marked as non-dirty, THEN the on-disk change is processed, sending a
didChange, THEN the didSave is sent (https://golang.org/cl/267577).
Also, don't send didChange for formatting if nothing has changed.
Change-Id: Ibc6a55d35dee99c04dadf5470c2d68ca937f849b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271578
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The current DidModifyFiles logic does not handle the possibility of a
directory URI in a didChangeWatchedFiles request. For creation and
changes, this is fine because only file URIs matter in those cases, but
for deletion, the deletion of a directory signifies the deletion of all
of the files in it.
Add handling for directories by looking up all of the known files in a
given directory. We then create file modifications for all of those
files, instead of the directory.
Fixesgolang/go#38422
Change-Id: I26d7b93285367fe116fd1cb3e8ec13a276f9e517
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266138
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The tidy and upgrade code lenses first run the go command they
represent, then show the lens if there are changes to be made. While
this makes for a cleaner user experience, it also means that we're
running a go command that hits the network in a synchronous code lens
call. That's risky if the user is on a slow network connection.
Removing the call does represent a change, possibly a regression, in UX.
However, we already felt that the presentation of the upgrade option on
each dependency line was too noisy. Therefore the only remaining benefit
is that the lenses only appear when they have something to do. We've
decided that's not sufficient justification. Remove the calls.
We may recreate them as diagnostics in the future, so I've left
ModUpgrade around. (ModTidy is still used by diagnostics.)
Change-Id: I16c5eaebd1a50e5358c2addde9c1bb3f1182aac2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/271297
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Refactor to use goCommandInvocation to get the evironment for
goimports. That takes care of most of the work; all that's left is to
track the go.mod hash so we know when to clear the cache.
Fixesgolang/go#41836.
Change-Id: I614dacad04adfb879ead55e3b8640e57816534cb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/270877
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The previous work-around assumed that the end of the comment would be
off by one line, when in reality, it is off by the offset of the number
of \r in the comment, which may result in the comment end position being
off by multiple lines. Work around this by scanning for the end of the
comment position using text/scanner.
Fixesgolang/go#42646
Change-Id: Icc33e889546f324c6b65b55a98dea587f84c8f01
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Previously struct fields completions are ordered alphabetically.
Now it is ordered by its order in definition.
Fixesgolang/go#42626
Change-Id: I8c404205b97fa9f1a5a66a95a84033b6f0f48eae
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VS Code's file watching API doesn't send notifications about directory
deletions unless you register for them explicitly (see
https://github.com/microsoft/vscode/issues/109754). Rather than watch
every file in the workspace, keep track of every relevant directory and
register file watchers for it.
This CL moves the snapshot's WorkspaceDirectories function to the
session and changes it to a KnownDirectories function. It returns all of
the directories and subdirectories known the session at a given moment.
Top-level directories are marked as such so that their *.{go,mod,sum}
contents can be watched, while subdirectories are just watched by path
so we can be notified of deletions.
Fixesgolang/go#42348
Change-Id: If80a26cf6af5a2c2f7d87bb57b9ef5cb3dcf04ac
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We've been looking for a way to show unintrusive error status reports to
users--try using progress reports as a way of populating a status bar.
This avoids the problem of annoying the user with constant pop-ups.
Whenever an error is returns from (*snapshot).WorkspacePackages, we
start a progress report with the error message. If the error goes away
on the next call to diagnostics, or the error message changes, we will
either remove or update the progress report.
Screencast: https://drive.google.com/file/d/1tG9pc_tPsLoqkQHiJqdY8b06TzTkPVae/view?usp=sharing&resourcekey=0-CEG_LhGHYiFp9S37ut_kgw
Updates golang/go#42250
Change-Id: I8a529a911883092bc08af32246719d883dc5f5a2
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The current debug string looks like `go [go list foo]` because I forgot
that argv[0] is a thing. Remove the duplication, and quote things only
when necessary.
Change-Id: Ib751a39435e5a3453833539307d12c9715cc1cad
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go/packages is documented as starting with an empty environment if
Config.Env is populated. Fixing all uses of gocommand.Invocation was a
daunting task, so add a mode flag to it instead and set it just in
go/packages.
Clean up packagesdriver.GetSizes, which seems to be completely unused?
Fixesgolang/go#42590.
Change-Id: Idac2e1a4798b4a2f5e7c8aa0a1a089a6bd3630ba
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Changes to the cache data structure broke the templates displaying
information in the debug server. This CL makes small changes to
get the pages working again. it adds a link to the command line
on the Info page.
More work is needed. For instance, only the memory page refreshes
automatically; options could be displayed; information
about diagnostics could be displayed, as could be information
about modules, and no doubt there's more.
I'm working on a test to typecheck the templates.
Fixesgolang/go#41343
Change-Id: I98538a8673de1a9589d09660eab47ad04eb2cc14
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This extra query needs to be added before any link anchors (#), so it's
a little more complicated to add than expected. Separating out the
anchor from the link path simplifies the code a little bit and allows
us to create the correct links.
Fixesgolang/go#42602
Change-Id: Ia72d50e20b1446149f1ddd36b12f6d968a9b06cb
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When the debug server by -debug=localhost:0, a log message says on
which port to find the server. The new message gives a full URL
for the debug server.
Change-Id: I08fcaacbaf8de3591fce7854e373ba7d58931470
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This was an undocumented and unused option to allow users some extra
per-workspace folder configuration. Editor clients need to offer that
support for it to be useful, and right now, none do. Remove the
configuration now so that we don't have to support it in the future.
For more context, see the discussion on golang/go#41966.
Fixesgolang/go#41966.
Change-Id: I820b810d7a1ba02b0ec10cc47c79e670f7e67bb8
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In CL 256941 I suggested using `go generate ...` to run all the
generates in the current directory and its subdirectories. That was
wrong: ... means all in-scope packages. The correct pattern is ./... .
Change-Id: I1cb4e6b7cfbcd9b8f943d7193e4aee216614cdff
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Progress reporting has three different kinds, "begin", "report" and
"end". Each of them comes with a text message attached.
The "report" kind is sometimes raw output, for example from go test, so
the output could end with a newline.
This change trims "report" messages to ensure consistency with "begin"
and "end" that doesn't end with a newline.
Change-Id: I779dc41fdf3f6281d9d44f64e9cee9bbcde0b4cd
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The "go test" command invoked via code action/code lens performs a
ShowMessage callback to the client when the test is done.
Previously it did set severity to "Error" when the test failed, but a
failing test isn't a error condition per se. This changes the result to
be of severity Info for both successful and failed test invocations.
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Running `staticcheck ./internal/lsp/...` turned up a few instances of
dead code. Remove them.
Change-Id: Ic53db59cd0959fad960b086158eb550a624a4d91
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In practice, we only support the go command, and now that we rely on the
private packagesinternal APIs to set -mod and -modfile, GOPACKAGESDRIVER
is actively broken. Forcibly disable it.
Change-Id: I91f8c0d29fada2fe87ad9fdfec6ba8c5504c80cd
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moduleLoadScope triggers a load of many packages, just like
viewLoadScope, and should not log each loaded package.
Change-Id: Ifd59b41a496da8eb57421f948b9327519e82d2ab
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Add a regtest run option NestWorkdir, which causes the working directory
to be nested in the editor workspace, and use it in some modfile tests
to exercise the new workspace logic.
For now we only run the nested tests while using experimental workspace
modules. In a later CL, the 'legacy' mode will be updated to find a
solitary nested module, at which point we should be able to run nested
in all modes.
Fixesgolang/go#42111
Change-Id: I0bd3b31969684bc1ba1935633cbb9a3f26de1587
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This CL adds a copy of the internal error codes added to go/types in
https://golang.org/cl/264179. In a subsequent CL, we will use these to
extract the unexported error code from go/types errors via reflection.
A generated String method is added to provide a human-readable code for
the user.
For golang/go#42290
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This fixes an issue where we were reloading packages in the vendor
directory when they changed on-disk. We should only do this if the
packages are part of the workspace or the files are opened.
Change-Id: Iefbd690ec0c096d9a40c62ce567c18335024ea15
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The server reports its version to the client--add some structure to this
report so that the client can parse and use it.
Fixesgolang/go#42171
Change-Id: I00bff3615391cbeede89e4be6b0d028fed67989e
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In CL 259998 we added the ability to find calls to methods through
interfaces. That included very common interfaces like Stringer, which we
judged unfortunate but possibly acceptable. We didn't consider the
behavior when searching for references to a type. When searching for
references to a type that happens to be a Stringer, the user almost
certainly doesn't want to see all uses of the Stringer interface. Don't
consider interface references to types.
No tests; I don't think this is worth a regtest and the marker tests
can't check a negative AFAIK.
Fixesgolang/go#42350.
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If an open buffer is unmodified from the on-disk version, and that
on-disk content changes, VS Code will update the buffer with the change.
This is relevant for our quick fixes that use the go command to make
changes to go.mod/sum -- we want tests to pick up the changes without
needing to close/reopen the buffer.
For whatever reason, VS Code doesn't do this for deletions, and it made
the implementation easier, so I followed suit. I also mimicked its
behavior of sending both in-memory and on-disk change notifications.
Change-Id: I838a64b2f48f3cbe1a86035293923951b53aecf3
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Also, change withAnalysis to includesAnalysis to make the name a bit
more accurate.
Fixesgolang/go#42363
Change-Id: If50f7d36b953e6627ed9ba049357a2b86dc3f676
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Per our discussion, it's too slow for a save hook.
Fixesgolang/go#38209. (for real this time?)
Change-Id: I264c6d1590a374eff09b09cb1a9162e8e5ff2dc7
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When adding a require, we should add an `// indirect` comment if that's
what go mod tidy would do.
It's possible I should split Add out from Update and Remove, but this
was quick and easy and I'm not too worried about it for now.
Also minimize the test that covered this case, which was way more
complicated than it needed to be AFAICT.
Fixesgolang/go#38914.
Change-Id: I89c44f8573873227c4c9e637d1d31d8c1a6530aa
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Editors need a way to run commands in the same workspace that gopls
sees. Longer term, we need a good solution for this that supports
multiple workspace folders, but for now just write the first folder's
workspace to a deterministic location:
$TMPDIR/gopls-<client PID>.workspace.
Using the client-provided PID allows this mechanism to work even for
multi-session daemons.
Along the way, simplify the snapshot reinitialization logic a bit.
Fixesgolang/go#42126
Change-Id: I5b9f454fcf1a1a8fa49a4b0a122e55e762d398b4
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The logic that checked if a file was already being watched by the
default glob pattern was incorrect. Fix it, and use the newly added
InDir function.
Change-Id: Ia7e3851ab5b9fa1fa7590cae3b370676201a9141
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This avoid an embedded URI defaulting to ""
(https://github.com/golang/go/issues/42314)
Fixes:Fixes golang/go#42314
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This change copies the logic from the go command's inDir function
(https://cs.opensource.google/go/go/+/master:src/cmd/go/internal/search/search.go;drc=3931cc113f3f3e7d484842d6e4f53b7a78311e8e;l=570)
to replace gopls's "isSubdirectory" function. This function resolves
symlinks, which isSubdirectory did not previously do.
The only adjustments are to flip the arguments to match the previous
signature of isSubdirectory and to return a boolean instead of a string.
Fixesgolang/go#38558
Change-Id: I9c64604222ac277eae81a4111eef432ead887e9f
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We've recently noticed multiple instances of `go list` hanging
indefinitely during an initial workspace load. Heschi suggested setting
a 5 minute deadline on the IWL, but it seems reasonable to set this
deadline on all calls to packages.Load since that calls `go list`.
I also started with a 15 minute deadline to be a little more careful.
Do you think this is risky enough to merit an experimental setting?
Fixesgolang/go#42132
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The majority of the initialization logic is already based on the
snapshot, not the view, so it makes sense to move it there. The
initialization status of the snapshot is copied and invalidated in
clone.
Fixesgolang/go#41764
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This CL uses the approach of a source.ErrorList for the `go mod vendor`
error--rather than a ShowMessageRequest. The suggested fix is a command
that runs `go mod vendor`, so I added a CommandFix to the source.Error
type.
I'm not sure if a diagnostic is better than a ShowMessageRequest--
perhaps it should be both?
Fixesgolang/go#41819Fixesgolang/go#42152
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Keep a workspace module dir around for running the go command against a
snapshot, bound to the contents of the workspace modfile.
This uses the cache's resource model to share the workspace module dir
across snapshots if it is not invalidated, and to delete it when it is
no longer in-use by a snapshot. Of course, the go command will still
only see files on the filesystem, but using this immutable model was
most consistent with the immutable workspace.
For golang/go#41836
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Amazingly the builders are occasionally so slow that they can't send the
next event within 100ms. Debounce longer to give them a bit more time.
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With its memoization and refcounting, the cache is well suited to the
sharing of other expensive resources, specifically those that interact
with the file system. However, it provides no means to clean up those
resources when they are no longer needed.
Add an additional argument to Bind to clean up any values produced by
the bound function when they are no longer referenced.
For golang/go#41836
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gopls.mod files should take precedence over go.mod files when finding a
workspace root. To allow this, implement our own algorithm for expanding
the workspace, rather than using the go command.
For golang/go#41837
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When incorporating the gopls.mod file, the invalidation logic for
workspace module information becomes quite complicated. For example:
+ if a modfile changes we should only invalidate if it is in the set of
active modules
+ the set of active modules can be provided by either the filesystem or
gopls.mod
+ if gopls.mod changes, we may gain or lose active modules in the
workspace
+ if gopls.mod is *deleted*, we may need to walk the filesystem to
actually find all active modules
Doing this with only concrete changes to the snapshot proved
prohibitively complex (at least for me), so a new workspace type is
introduced to manage the module state. This new abstraction is
responsible for tracking the set of active modules, the workspace
modfile, and the set of workspace directories. Its invalidation logic is
factored out of snapshot.clone, so that it can be tested and to
alleviate some of the growing complexity of snapshot.clone.
The workspace type is idempotent, allowing it to be shared across
snapshots without needing to use the cache. There is little benefit to
the cache in this case, since workspace module computation should be
infrequent, and the type itself consumes little memory.
This is made possible because the workspace type itself depends only on
file state, and therefore may be invalidated independently of the
snapshot. The new source.FileState interface is used in testing, and so
that the workspace module may be computed based on both the session file
state as well as the snapshot file state.
As a result of this change, the following improvements in functionality
are possible:
+ in the presence of a gopls.mod file, we avoid walking the filesystem
to detect modules. This could be helpful for working in large
monorepos or in GOPATH, when discovering all modules would be
expensive.
+ The set of active modules should always be consistent with the
gopls.mod file, likely fixing some bugs (for example, computing
diagnostics for modfiles that shouldn't be loaded)
For golang/go#41837
Change-Id: I2da888c097748b659ee892ca2d6b3fbe29c1942e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/261237
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The majority of the initialization logic is already based on the
snapshot, not the view, so it makes sense to move it there. The
initialization status of the snapshot is copied and invalidated in
clone.
Fixesgolang/go#41764
Change-Id: Icebcf8f4dc750ae4d31e19aa93f9a4c0a57beb4b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266343
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It felt a little redundant to have completion duplicated in the file
names. Happy to revert if you prefer it the original way.
Change-Id: Ibf14a739688d48ecce0b86154b3cbe4807b2f8b1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266477
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Currently, fully qualified symbol style does a simple match against a
fully qualified symbol. However, this doesn't really match the user's
intent. Much like the dynamic style, the match should be done "from the
right" (per the logic of bestMatch) with the results being fully
qualified for presentational reasons.
We therefore reuse the logic from the dynamic symbol style, but instead
return a matched symbol as the fully qualified value.
Change-Id: I5c8c6b647c0710c5054bc8e27dbb29cb0fac14d8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266557
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Leave the legacy names to handle old versions of the VS Code language
client.
Updates golang/go#42148
Change-Id: Ia3eeef9e792e502c5c8018698b9c0ea3a9b0dfe5
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When gc_details is invoked on a file, it can add diagnostics for files
not in that file's package. Some of these will not go away when
gc_details is toggled off. The fix is not emitting compiler details
diagnostics about files not in the package.
Fixes: https://github.com/golang/go/issues/42198Fixesgolang/go#42198
Change-Id: Ib69cdd8b7be96d73ee417711f7241f56fb529836
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266342
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I had originally wanted to create a shared code path for hover in all
cases, but hover has a lot more differences from the documentation in
signature help and completion than I expected. You can't use markdown,
and you probably don't want links--it would take a bigger refactor to
extract something that worked for each feature.
Handling the Structured and SingleLine hover setting also doesn't seem
necessary--those settings are really specific to the way the client
presents the hover, which isn't related to signature help or completion.
For completion, all we need is an extra check on the hover kind for the
NoDocumentation option.
Fixesgolang/go#38577
Change-Id: Ib2037906c13f5be26813fcd2c20989e4d1b6c9bd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266139
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These were added in https://golang.org/cl/237419 and I don't think they
actually fixed anything. I'd like to remove them and see if anything
goes south.
Change-Id: I2f3a48d0e8e40b7a79b963a9319d426cbc6f5d9a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266341
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In https://golang.org/cl/265237 I accidentally lost the os.Environ()
call, so we weren't using the OS environment as the defaults any more.
Change-Id: Id36e3c04f3c13d512b0b71b8d73ed086d9ee9f1d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/266337
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Modifying go.mod files directly leaves go.sum unchanged, and therefore
in need of updates later. Leaving work for the users to clean up isn't
ideal, so it'd be better to use the go command to make modifications.
Unfortunately, the go command has something of a mind of its own. The
most obvious problem is that using go get to add a new require adds a
// indirect comment to that new require, and there's no way to prevent
it. The only thing we can do is add the require first, then use go get
to do nothing but update the go.sum file.
The other inherent problem is that the go command operates on files as
they exist on disk, not the in-memory versions. As discussed, we issue
an error for this case. The alternative would be to work on temporary
files based on the in-memory contents, but that would be much larger
change, so I'd rather not at least right now.
To support Commands for quick fixes, add a new Command field to
source.SuggestedFix, and use it when forming the CodeAction response.
Fixesgolang/go#38209.
Change-Id: I0c13ea39199368623e7494e222ba38587323d417
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265981
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We have two parallel code paths for Load and other go command
invocations. Unify them by introducing a mode argument to the various
functions that run the go command, indicating the purpose of the
invocation. That purpose can be used to infer what features should be
enabled.
In the future, I hope we can use the mode to decide whether mod
file updates and network access should be allowed.
Change-Id: I49c67fcefc9141287b78c56e9812ee6a8ac8378a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265238
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The workspace symbols docstring was indenting quoted text using '>', but
this is incompatible with convention of simply using indentation to
cause pre-formatted text.
Change-Id: Ifbaf88e19ac09a29b83f1812c576de6ea96a0793
Reviewed-on: https://go-review.googlesource.com/c/tools/+/264636
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We pass around verb/args/wd in many places. Bundle them up as an
Invocation instead. goCommandInvocation now updates and returns an input
Invocation.
packages.Config is conceptually an extra layer of parsing and
type-checking on top of a go list invocation. It doesn't make sense for
us to construct the latter using the former. A later CL will construct
the Config in terms of the Invocation; for now duplicate a bit of logic.
Use the environment in the cache key for various module operations
rather than the Config hash. I'm not sure either is fully correct but I
think the environment captures everything that's likely to matter. This
way we don't need Configs in those functions at all.
Change-Id: Iebee2705e63638ab365b3ee18b23f8c3e8ca30ce
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265237
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This makes all commands with the exception of running tests synchronous.
Remove the special handling for applying suggested fixes. Instead, make
workDone reporting a no-op if the workDone handle is nil.
Change-Id: I6801c91f8564d68b8bdaaf9456cd6752b164d0b9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265583
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Typescript code to generate internal/lsp/protocol/ts*.go for
the latest 3.16 version of the language server protocol.
Change-Id: Ie5bb0f44ffb83c69e30578a36d057820e55fee76
Reviewed-on: https://go-review.googlesource.com/c/tools/+/265579
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Rebecca Stambler
Shoshin Nikita
Pontus Leitzler
Rob Findley
pjw
Heschi Kreinick
Jay Conrod
Pen Tree
Muir Manders
Suzy Mueller
Anton Kuklin
William Langford
Paul Jolly
Steeve Morin
Ian Cottrell
Jonathan Amsterdam
Andrii Soluk
Marwan Sulaiman
Matheus Alcantara
Ainar Garipov
Hana
Ichinose Shogo
Yuki Ito
Russ Cox
smasher164
Koichi Shiraishi
Ajanthan Balachandran
Roland Shoemaker
pohzipohzi
Eric Chiang
Meng Zhuo
Jean de Klerk
Chiawen Chen
yangwenmai
