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Commit Graph

644 Commits

Author SHA1 Message Date
Ian Cottrell
9a621aea19 internal/lsp: update the generated lsp protocol
Change-Id: Ic30a6e9e49a67f93419547ea2c61d87109959393
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185777
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-11 19:11:10 +00:00
Ian Cottrell
9c57229d8a internal/lsp: add prometheus exporting of all metrics
Change-Id: I1e7ce371d8abd2eb80aad70935695f61b6374ff8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185347
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-11 17:26:14 +00:00
Ian Cottrell
75aaabac35 internal/lsp: reduce trace package to minimal StartSpan for now
also change the return type to be and end function and not an incomplete span

Change-Id: Icd99d93ac98a0f8088f33e905cf1ee3fe410c024
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185349
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-11 17:25:55 +00:00
Ian Cottrell
6156d14a7a internal/lsp: add the metrics package
This provides the basic support for aggregating stats into useful metrics,
utilizing tags.
This change also adds the standard rpc metrics for the stats the jsonrpc2 system
is already filling in.

Change-Id: Ibe1b64c4c4c587dacd53112454606634e9f682ce
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185342
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-11 17:12:21 +00:00
Henry Wong
01b81f4f93 internal/lsp: support hover for *ast.ImportSpec
Since 'IdentifierInfo' doesn't contain ast node of import spec,
gopls will construct an empty string under plaintext mode and
'```go\n\n```' under markdown mode for *ast.ImportSpec. For now,
the hovering result of import spec is the corresponding node
format.

Fixes golang/go#33000

Change-Id: I4c25782ddb5bcc557ace82f46d480316b0b90509
GitHub-Last-Rev: 150728f401c5f9b161b557584ad3250f46e50869
GitHub-Pull-Request: golang/tools#134
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185357
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-11 17:06:56 +00:00
Ian Cottrell
5f9351755f internal/lsp: stop making background contexts everywhere
For all uses inside the lsp we use the detatch logic instead
For tests we build it in the test harness instead
This is in preparation for things on the context becomming important

Change-Id: I7e6910e0d3581b82abbeeb09f9c22a99efb73142
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185677
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-11 16:38:52 +00:00
Rebecca Stambler
554846603d internal/lsp: update version and go.mod
Change-Id: I637085b8866d561b9ac21a6612b3bdad8cf6c99a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185557
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-10 16:59:51 +00:00
Rebecca Stambler
831012c29e internal/lsp/debug: increase gopls version before tagging new version
Change-Id: I4273faa26e23dd237078c02439c1bafa2904fcc5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185348
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-10 15:33:21 +00:00
Suzy Mueller
7b25e351ac internal/lsp: rename identifiers in test packages
Support renaming of identifiers in test packages. The packages for
all of the references must be checked and the changes need to be
deduped, since both a package and its test package contain some of the
same files.

Fixes golang/go#32974

Change-Id: Ie51e19716faae77ce7e5254eeb3956faa42c2a09
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185277
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 21:17:00 +00:00
Ian Cottrell
f82b303b69 internal/lsp: add new stats library
This is the basic library that allows for recording of stats about the program
operation.

Change-Id: I09f7e3de5fc37aaf29bc0db46f15b15056fc0eb2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185338
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 19:46:23 +00:00
Ian Cottrell
75a6f91e26 internal/lsp: add the new form of the telemetry tagging package
This maps more directly to the basic telementery tagging requirements and uses
the context package in a way that is more idomatic.

Change-Id: If08c429b897bddfe014224ac2d92d7796a521ab9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184941
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 19:46:06 +00:00
Ian Cottrell
8962968d5a internal/lsp: add the worker package
This is used by all the telemetry packages that come next

Change-Id: Ic84d91da2a792b53ee8839aae207ae5767ab17e0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184940
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 19:45:51 +00:00
Rebecca Stambler
4f9eeaf1bf internal/lsp: add documentation to completion items
This change adds documentation to the completion items. This normally
should be done in completionItem/resolve, since it takes more time to
compute documentation. However, I am not sure if that latency incurred
by pre-computing documentation is actually significantly more than the
latency incurred by an extra call to 'completionItem/resolve'. This
needs to be investigated, so we begin by just precomputing all of the
documentation for each item.

Updates golang/go#29151

Change-Id: I148664d271cf3f1d089c1a871901e3ee404ffbe8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184721
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-09 19:19:00 +00:00
Suzy Mueller
e491332ed8 internal/lsp: compare names when finding references
Objects for builtin types all have position token.NoPos. We do
not want all objects that have position token.NoPos to be matched
when we are looking for references for this object, so we need to
compare the names of the objects as well.

Fixes golang/go#32991

Change-Id: I67e7aba9909ebcbb246203ea5c572debf996c792
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185247
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 18:45:27 +00:00
Muir Manders
d255de4fdb internal/lsp: don't refresh metadata when context canceled
We err on the side of refreshing package metadata if something goes
wrong getting a file's AST, but we don't want to refresh in the case
of context cancellation. Now we check for that error explicitly.

In particular, I noticed that completions would stop working when
typing quickly. Refreshing the metadata triggers "go list" calls which
can take a long time in certain cases.

Change-Id: I1b0c580e5541b1536a69ccaef241d7e8c5720d60
GitHub-Last-Rev: 6a82bfb586f93ef5e8e5996b11e06ffc7808f529
GitHub-Pull-Request: golang/tools#130
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184977
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-09 18:24:20 +00:00
Suzy Mueller
07655f7ec7 internal/lsp: return an error when renaming a builtin
Return an error when attempting to rename a builtin identifier.

Fixes golang/go#32992

Change-Id: I7fb0f9cc9499e5afdfb14805c49c820e4da3b601
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185246
Run-TryBot: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-09 18:23:51 +00:00
Suzy Mueller
c93f28baaa internal/lsp: check no errs for assignability rename
The satisfy package has a precondition for Finder.Find that requires
that the package has no type errors. If this is a check that we would
perform, give an error and do not rename.

Fixes golang/go#32882

Change-Id: Id44b451bf86ff883fd78a6306f2b2565ad3bdeb9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184857
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-08 20:09:55 +00:00
Henry Wong
dd7c7173f1 internal/lsp: remove the unused function 'markupContent'.
The last usage of 'markupContent' has been deleted in
https://go-review.googlesource.com/c/tools/+/172958.

Change-Id: I03296fa93069427339f17c7b2ad2267030a5b99b
GitHub-Last-Rev: a85b88cdfd00c8d1edf4fdad6302486379beae9a
GitHub-Pull-Request: golang/tools#132
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185237
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-07-08 17:12:32 +00:00
Paul Jolly
60762fc531 internal/lsp: fix test failure introduced in CL 185058
Failed to properly check the try-bot result in CL 185058. Hence didn't
spot the LSP tests that also verify offset behaviour. This CL fixes
those tests to align the LSP tests with the change introduced in CL
185058.

Change-Id: Ia81ab6db7a2c3a4729d8ef73205b6071af270b00
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185220
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-08 15:18:58 +00:00
Paul Jolly
72ffa07ba3 internal/span: handle character values beyond end of line in FromUTF16Column
On the assumption these implementations are designed to
support/implement the LSP spec, FromUTF16Column should handle the case
where a character value is beyond the end of the line.

https://github.com/Microsoft/language-server-protocol/blob/gh-pages/specification.md#position:

> * If the character value is greater than the line length it defaults back to the
> * line length.

Fixes golang/go#31883

Change-Id: I370845b7f2f046d8e84048a26bae5b23e9c27d06
Reviewed-on: https://go-review.googlesource.com/c/tools/+/185058
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-06 07:08:13 +00:00
Rebecca Stambler
2214986f16 internal/lsp/fuzzy: add fuzzy matching library
This change uses a fuzzy matching library to score completion results.

Updates golang/go#32754

Change-Id: Ia7771b33534de393a865443e05c0fcbf1e9a969b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184441
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-03 21:24:19 +00:00
Rebecca Stambler
719fbf7c21 internal/lsp: move function signature into detail instead of label
Fixes golang/go#32414

Change-Id: If08e655d7a0e29b0865c13d8377e98be01cf24c5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184777
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-03 21:07:46 +00:00
Ian Cottrell
504de27b36 internal/lsp: connect memoize actions to their callers
This adds the ability to tie a background context to the context that created it
in traces, and also cleans up and annotates the context used in type checking.
This gives us detailed connected traces of all the type checking and parsing
logic.

Change-Id: I32721220a50ecb9b4404a4e9354343389d7a5219
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183757
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-03 19:15:39 +00:00
Ian Cottrell
4457e4cfd4 internal/lsp: add some trace spans to important functions
This uses the new opencensus compatability layer to add telementry to some of
the functions in the lsp, in order to allow us to understand their costs and
call patterns.

Change-Id: I7df820cd4eace7a4840ac6397d5df402369bf0a7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183419
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-03 19:14:57 +00:00
Suzy Mueller
abb7e64e89 internal/lsp: include declaration for references
A client can specify "IncludeDeclaration" in its ReferenceParams.
When they do so, we want to include the declaration, even if it was not
in the scope we searched for references.

Additionally, we also return the location of the declaration first in
the result array when it is included in the results.

Updates golang/go#32572

Change-Id: I12837cd98102ee8d531f0f4bac2fb7bded2564c0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184723
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-03 18:39:24 +00:00
Jonathan Amsterdam
063514c48b internal/lsp/cmd: replace time.Tick with time.After
time.Tick produces multiple ticks (and leaks a Ticker); time.After
produces a single tick, which is what is called for here.

Change-Id: I922b11e1263a8367afec76c10831b7284f3559ec
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184938
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-03 17:54:00 +00:00
Muir Manders
a00916dd39 internal/lsp: fix deadlocks loading lots of files at once
The first deadlock involved differing mutex acquisition order in two
code paths:

1. loadParseTypecheck() holds the "mcache" mutex then eventually
   acquires the "handleMu" file mutex.
2. (*goFile).invalidateContent() acquires the "handleMu" mutex first and
   then the "mcache" mutex.

Fix by changing the acquisition order in invalidateContent().

The second deadlock involved the file watcher. The two code paths
involved were:

1. (*goFile).GetPackages() holds the view mutex and eventually calls
   (*WatchMap).Watch, which acquires the watcher mutex.
2. (*session).openOverlay acquires the watcher mutex as it triggers a
   file's callbacks, and then the callback
   "(*goFile).invalidateContent" acquires the view mutex.

Fix by not holding the watcher mutex as we invoke the callbacks.

Fixes golang/go#32910

Change-Id: I9d060e0d80fd86a317a1d6c7aaa736a8ce10bd07
GitHub-Last-Rev: 04944fa0249c0e6f1022a415787e23abce21bc2e
GitHub-Pull-Request: golang/tools#129
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184880
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-03 17:22:52 +00:00
Rebecca Stambler
1c78e26233 internal/lsp: add configuration for hover levels
Instead of defaulting to a one sentence synopsis for documentation on
hover, allow the user to configure the amount of documentation they want
to see. Right now, the options are none, some (using go/doc.Synopsis),
or all. We should add a 4th, single-line, mode, which will allow clients
like vim-go to stop stripping off documentation on hover.

Updates golang/go#32561

Change-Id: I529242da84b794636984d5ef2918b7252886f0ef
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184797
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-03 17:17:32 +00:00
Muir Manders
9d59f9e855 internal/lsp: improve completion support for untyped constants
Add some extra smarts when evaluating untyped constants as completion
candidates. Previously we called types.Default() on the expected type
and candidate type, but this loses the untypedness of an untyped
constant which prevents it from being assignable to any type or named
type other than the untyped constant's default type.

Note that the added logic does not take into account the untyped
constant's value, so you will still get some false positive
completions (e.g. suggesting an untyped negative integer constant when
only a uint would do). Unfortunately go/types doesn't provide a way of
answering the question "is this *types.Const assignable to this
types.Type" since types.AssignableTo only considers a constant's type,
not its value.

Change-Id: If7075642e928f712b127256ae7706a5190e2f42c
GitHub-Last-Rev: 124d2f05b0aec09c9d7004d9da0d900524185b92
GitHub-Pull-Request: golang/tools#128
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184477
Reviewed-by: Suzy Mueller <suzmue@golang.org>
2019-07-03 16:30:32 +00:00
Rebecca Stambler
7e72c71c50 internal/lsp: hide signature help in function literals
Often anonymous functions can be passed as arguments to a function. In
these cases, it can be annoying for a user to see signature help for the
entire duration of their writing this function. This change detects if
the user is typing in a function literal and disables signature help in
that case.

Fixes golang/go#31633

Change-Id: I7166910739b6e1ec0da2ec852336136b81d13be0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184260
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
2019-07-02 15:22:45 +00:00
Suzy Mueller
f80f67146e internal/lsp: support renaming import specs
Support the renaming of the imported name of a package within a file.
This case needs to be special cased because the ident may be added or
removed.

Change-Id: I333bc2b2ca5ce81c4a2afb8b10035f525dfad464
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184199
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-02 14:51:11 +00:00
Suzy Mueller
9bea2ecb95 internal/imports: refactor to split finding and applying fixes
A pass is responsible for fixing the imports of a given file. It now
finds the necessary changes to make without applying the result to the
ast, which may be desirable to give a user more control about what
changes will be applied to their program. This change splits the process
of finding the fixes from making the modifications to the ast to allow
this functionality to be easily possible.

Change-Id: Ibf8ca247c35539f91de4be90c634f0db9a939d07
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184197
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-02 14:45:09 +00:00
Rebecca Stambler
38ae2c8f64 internal/lsp, internal/imports: use the internal goimports library
This change modifies gopls to use the internal goimports library, which
allows us to manually configure the ProcessEnv. We also add a logger to
the ProcessEnv to allow this change not to conflict with gopls's logging
mechanism.

Fixes golang/go#32585

Change-Id: Ic9aae69c7cfbc9b1f2e66aa8d812175dbc0065ce
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184198
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-07-01 19:45:22 +00:00
Rebecca Stambler
e47c3d98c3 internal/lsp: check file content on disk when opening
As per discussion on golang/go#32810, to avoid the `go list` storm caused by many
files being opened, we check if the file content opened is equivalent to
the content on disk. If so, we mark this file as "on disk" so that we
don't send it as an overlay to go/packages.

Updates golang/go#32810

Change-Id: I0a520cf91bbe933c9afb76d0842f5556ac4e5b28
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184257
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-01 19:36:37 +00:00
Suzy Mueller
58bb5bbe30 internal/lsp: find references in test packages
Find references to identifiers in both a package and its test package.

Change-Id: I9d9da4aa37c36c448336aed044df79cfd1c903f1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183990
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-07-01 19:17:42 +00:00
Rebecca Stambler
e750c417fb internal/lsp: handle the context.only parameter for code actions
This change refactors code actions to handle the Context.Only parameter,
which indicates which code actions a language server should execute.

Change-Id: Iddfccbbeba3a53fde2aa8df844434f2ab9d01666
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184158
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-07-01 18:53:50 +00:00
Muir Manders
30f1cf78d7 internal/lsp: improve completion support for type conversions
Now when completing in code like:

foo := int64(<>)

we prefer candidates whose type is convertible to int64.

Change-Id: Iadc6cdc7de097ac30d8807d6f5aa21d83f89d756
GitHub-Last-Rev: a86dd72496ba752a1f20877c0594ec6a0ed8160e
GitHub-Pull-Request: golang/tools#127
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183941
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-07-01 17:57:14 +00:00
Rebecca Stambler
970b2b065d internal/lsp: fix bug where gopls hangs on manually typed imports
Fixes golang/go#32797

Change-Id: I0d2975561035c3ac5f5cd460ecdee452c2f6a17f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184258
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-07-01 17:55:09 +00:00
Rebecca Stambler
fb37f6ba82 internal/lsp: fix deadlock in type-checking
There was a situation where we were trying to re-acquire a lock that was
already held. This change solves this issue.

Change-Id: I97cf6bad7e7c219a267e3ca5d174a2573f70ebe2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184217
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-28 22:25:27 +00:00
Rebecca Stambler
59bec04229 internal/lsp: clear diagnostics for files on close, even with errors
Change-Id: I7230d560c57455c53200f4d8f2702fbbdd3f5e51
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184162
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-28 20:33:36 +00:00
Suzy Mueller
6cfa55603c internal/lsp: check ident exists for comment rename
The identifier in a reference is used to check for a doc comment.
Implicits do not have an ident, so do not use that to look for a doc
comment.

Also set the context.Context for the renamer.

Change-Id: I085d9e6c11d919222592dcb6fb30982eeb0fc7cd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184042
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-28 17:52:03 +00:00
Rebecca Stambler
86796bd73f internal/lsp: update version
Change-Id: Ic56ff917846589f12c4c214ea1ac19eac45b187e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184167
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-28 16:54:56 +00:00
Rebecca Stambler
af4a5fc627 internal/lsp: fix bug in missing imports tracking
Change-Id: Iaba7e9cd8a8fb54f8e78f52afa0ef98790288c93
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184161
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-28 16:38:22 +00:00
pjw
6cdbf07be9 internal/lsp: new requests.ts to generate new versions of tsclient.go and tsserver.go
Adjust the output of requests.ts to use the new facilities of jsonrpc2.go.

Change-Id: I316f7846db9f683345b836915d992e751f126196
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184081
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-28 15:31:33 +00:00
Rebecca Stambler
212fb13d59 internal/lsp: match completions case-insensitively
Change-Id: I31f2ea338ae3e2ec2837a444705f990e140ebc77
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184159
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-28 03:43:36 +00:00
Ian Cottrell
85b1a4bcd4 internal/jsonrpc2: add some extra comments
Change-Id: I31531f32a88a02acf82814ab4ea151e54fd6d0fc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184037
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-28 02:17:28 +00:00
Rebecca Stambler
94c5763a7c internal/lsp: handle err in formatRange
Change-Id: I4aa2715c7adf541da814cb60dd5205dd6e575b61
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184044
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
2019-06-27 22:00:10 +00:00
Muir Manders
4298585011 internal/lsp: provide deep completion candidates
Deep completion refers to searching through an object's fields and
methods for more completion candidates. For example:

func wantsInt(int) { }
var s struct { i int }
wantsInt(<>)

Will now give a candidate for "s.i" since its type matches the
expected type.

We limit to three deep completion results. In some cases there are
many useless deep completion matches. Showing too many options defeats
the purpose of "smart" completions. We also lower a completion item's
score according to its depth so that we favor shallower options. For
now we do not continue searching past function calls to limit our
search scope. In other words, we are not able to suggest results with
any chained fields/methods after the first method call.

Deep completions are behind the "useDeepCompletions" LSP config flag
for now.

Change-Id: I1b888c82e5c4b882f9718177ce07811e2bccbf22
GitHub-Last-Rev: 26522363730036e0b382a7bcd10aa1ed825f6866
GitHub-Pull-Request: golang/tools#100
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177622
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-27 18:58:03 +00:00
Rebecca Stambler
9947fec5c3 internal/lsp: modify check for a missing package
Trying again. Apparently it's useful to run tests before submitting
code.

Change-Id: I487ffd391663cba47d2b26e8346cc7ac589dcd1a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184041
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-27 18:28:18 +00:00
Edward Muller
1a55b1581c internal/lsp/source: move the common path to the left
As per the following guidance: "Try to keep the normal code path at a minimal indentation"

I know this is normally applied to error handling, but the same logic about improving readability applies here too.

Change-Id: Ib20dae9975e94b40fb6ff7049782375b18ef59ba

Change-Id: Ib20dae9975e94b40fb6ff7049782375b18ef59ba
GitHub-Last-Rev: 97919272de76ec15845556e032985c5969a277fa
GitHub-Pull-Request: golang/tools#125
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183698
Reviewed-by: Suzy Mueller <suzmue@golang.org>
Run-TryBot: Suzy Mueller <suzmue@golang.org>
2019-06-27 17:56:40 +00:00
Rebecca Stambler
ba023a1bc9 Revert "internal/lsp: modify check for a missing package"
This reverts commit 55ee3a4131.

Reason for revert: <forgot to run trybots>

Change-Id: I6d0890e2514841244a2a1f8ca861107c5de1f8aa
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184040
Reviewed-by: Suzy Mueller <suzmue@golang.org>
2019-06-27 17:28:06 +00:00
Rebecca Stambler
55ee3a4131 internal/lsp: modify check for a missing package
This change moves from marking a package with `go list` errors as
missing, to marking a package with no files as missing.

Change-Id: Ibad1e67518d8a7f4c4bde416c53ab8132ae534e3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184039
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-27 17:23:46 +00:00
Rebecca Stambler
4e38253394 internal/span: catch potential panics in go/token
Updates golang/go#32639

Change-Id: Ib413fc316af4308d8928647ff36a437d243a9c11
Reviewed-on: https://go-review.googlesource.com/c/tools/+/184038
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-27 17:21:57 +00:00
Rebecca Stambler
043e3d946a internal/lsp: fix race condition in type-checking
There has been a race condition that occasionally appears in test runs
on TryBots. Multiple threads perform type-checking, so they may race on
setting the fields of the *goFiles. Add a mutex to synchronize this.

Change-Id: If52c9d792c6504fc89044964998b06de7dfbd19c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183978
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-27 17:21:04 +00:00
Ian Cottrell
4874f863e6 internal/jsonrpc2: change the concurrency strategy
This abandons the limited size queue
Instead we kick a go-routine per request, but have each request wait for the
previous request to say it is okay to continue. This allows each request to
control when it is finished with tasks that required strict ordering without
every blocking the routine that handles replies.
It also protects against repeated or missing replies.

Fixes golang/go#32631
Fixes golang/go#32589
Fixes golang/go#32467
Fixes golang/go#32360
Fixes golang/go#31977

Change-Id: Icd071620052351ec7f8fac136f1b8e3f97d4bb2d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183718
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-27 03:34:14 +00:00
Ian Cottrell
619de4ed67 internal/jsonrpc2: refactor to enable a more advanced request
This separates hides the wire structures, and then exposes a new Request
type to allow for it to carry advanced features.
It also embeds the connection into the request and changes the signature of the
handler to no longer require a separate Conn argument.

Change-Id: I20b54f146285f7a9cb5f279c6ebdf0f286f4b829
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183717
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-27 03:33:22 +00:00
Ian Cottrell
a6ef77d3cb internal/jsonrpc2: add telemetry to the rpc system
This uses the opencensus compatability later to track all the json rpc calls in
and out.

Change-Id: Ib719879a8d6855b6e6479a4f1b01fe823b548110
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183248
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-27 03:32:48 +00:00
Muir Manders
47ea21585c internal/lsp: propagate context.Canceled when type checking
typeCheck() was swallowing context.Canceled errors and leaving the
cached package in a bad state. In particular, after two rapid changes
to imports I was left in the "no package for file" error mode until I
change my imports again. The second change canceled the first change
which ended up sticking a skeleton *pkg in the package cache instead
of propagating the canceled error.

Change-Id: I15b072188c3359d9cd1812bd49e72548ba214250
GitHub-Last-Rev: 240f61718fbb5bfc787bbfaaaae1d38925d7c405
GitHub-Pull-Request: golang/tools#126
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183940
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-26 23:41:52 +00:00
Muir Manders
5d636af2a9 internal/lsp: improve completion support for type assertions
In type assertion expressions and type switch clauses we now infer the
type from which candidates must be assertable. For example in:

var foo io.Writer
bar := foo.(<>)

When suggesting concrete types we will prefer types that actually
implement io.Writer.

I also added support for the "*" type name modifier. Using the above
example:

bar := foo.(*<>)

we will prefer type T such that *T implements io.Writer.

Change-Id: Ib483bf5e7b339338adc1bfb17b34bc4050d05ad1
GitHub-Last-Rev: 965b028cc00b036019bfdc97561d9e09b7b912ec
GitHub-Pull-Request: golang/tools#123
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183137
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-26 23:33:08 +00:00
Michael Matloob
e8e6be9f45 internal/lsp: plumb suggested fixes through the LSP
Change-Id: Ia9e077e6b9cf8a817103d90481768ae99409c574
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183264
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-26 21:02:18 +00:00
Rebecca Stambler
7ef8a99cf3 internal/lsp: enable incrementalSync by default
This change also leaves in an opt-out setting (noIncrementalSync), just
in case we need to disable it at some point.

Change-Id: I3575efe942294b764c35d9259ce75d124b590e98
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182468
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-26 20:40:24 +00:00
Rebecca Stambler
cd2ed857af internal/lsp: fix panic in computing file version
Fixes golang/go#32791

Change-Id: I04fc3de5ed94137424a32f3e7200ba72d3913329
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183984
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2019-06-26 19:26:56 +00:00
Edward Muller
d1f656545b internal/lsp/source: don't panic compiling regex
This package is basically a library (even though it's internal) and
it's generally considered a bad practice for libraries to panic, so
don't.

Change-Id: I37d9d73ae48ececc6b31436f1076e1f85213f129

Change-Id: I37d9d73ae48ececc6b31436f1076e1f85213f129
GitHub-Last-Rev: 453b538e53e48889171d31829af3304409f9a8bc
GitHub-Pull-Request: golang/tools#124
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183680
Reviewed-by: Suzy Mueller <suzmue@golang.org>
2019-06-26 18:09:17 +00:00
Rebecca Stambler
3cbd95df51 internal/lsp: support a file belonging to multiple packages
This change adds supports for a package belonging to multiple files.
It requires additional packages.Loads for all of the packages to which a
file belongs (for example, if a non-test file also belongs to a package's
test variant).

For now, we re-run go/packages.Load for each file we open, regardless of
whether or not we already know about it.

This solves the issue of packages randomly belonging to a test or not.
Follow-up work needs to be done to support multiple packages in
references, rename, and diagnostics.

Fixes golang/go#32791
Fixes golang/go#30100

Change-Id: I0a5870a05825fc16cc46d405ef50c775094b0fbb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183628
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-26 17:56:19 +00:00
Rebecca Stambler
252024b829 internal/lsp: separate refactorings out of memoization CL
This change just separates minor changes made along the course of the
memoization CL out into their own change. This will clean up the diffs
in the memoization CL.

Change-Id: I7d59e05ba6472af5f1bf516b1e5b879a5815b9a5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183250
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-25 16:04:30 +00:00
Ian Cottrell
64633d5e86 internal/lsp: add telemetry stubs
This is designed to provide a compatible API to opencensus libraries while we
still cannot directly depend on it.
Most of this will be deleted again when we move the code over into the
sub-module.

Change-Id: I42b561f4f403c18cd22fb909b037f584ea90ad1b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183247
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-24 18:10:36 +00:00
Suzy Mueller
70d37148ca internal/lsp: update doc comments on rename
Replace doc comment text for the declaration of an identifier with the
new name.

This implementation is taken from golang.org/x/tools/refactor/rename.

Change-Id: Id1b80fad456646a46c8ae2caa4e8febf05aaf798
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183261
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-24 18:02:13 +00:00
Rebecca Stambler
6e04913cbb internal/lsp: fix bug in creating token.Files
Change-Id: Ib133762b6848d78fd3d264b211b44b36316a551d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183260
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-21 19:58:16 +00:00
Suzy Mueller
1fa568393b internal/lsp: check for conflicts on rename
Before renaming a variable, check the package to make sure that this
renaming would not result in a conflict that could break the program.

All of the implementation is taken from "refactor/rename" with the
dependency on "go/loader" removed.

Change-Id: Ib0782ec8f247a6df1750f2c8213f69186699ce1a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183257
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-20 19:17:50 +00:00
Suzy Mueller
494e18b268 internal/lsp: send client expected rename provider
This change sends the expected boolean value for 'renameProvider'
to the client.

When a client does not send 'prepareSupport' in its initial
'initialize' request, the client expects to get a boolean value for
'renameProvider'. Since we do not yet provide prepare support, we just
set 'renameProvider' to true regardless of the value of prepareSupport.

Fixes golang/go#32703

Change-Id: I1103e51e1a2927b98aaedf2839996e9cd7f7cbcc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/183259
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-06-20 18:21:41 +00:00
Muir Manders
431033348d internal/lsp: fix function value completions
Previously we would always expand *types.Func completion candidates to
function calls, even if the expected type matched the function itself,
not its return value. Now we check the function itself before we check
its return value. This fixes cases like this:

func foo() int { return 0 }
var f func() int
f = <foo> // now completes to "foo" instead of "foo()"

Also, *types.Var function values were never getting expanded to calls.
I fixed the completion formatting to know that both *types.Func
and *types.Var objects might need to be invoked in the completion
item. This fixes cases like this:

foo := func() int { return 0 }
var i int
i = <foo()> // now completes to "foo()" instead of "foo"

Change-Id: I8d0e9e2774f92866a3dd881092c13019fb3f3fd5
GitHub-Last-Rev: 7442bc84b5bbb86296289bbc745ec56a5f89d901
GitHub-Pull-Request: golang/tools#122
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182879
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-20 15:43:39 +00:00
Suzy Mueller
4adf7a708c internal/lsp: add identifier renaming
This change provides support to rename identifiers within a single
package.

The renaming is performed by finding all references to an identifier,
and then creating text edits to replace the existing text with the
new identifier.

Editing an import spec is not supported.

Fixes #27571

Change-Id: I0881b65a1b3c72d7c53d7d6ab1ea386160dc00fb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182585
Run-TryBot: Suzy Mueller <suzmue@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-19 21:54:42 +00:00
Muir Manders
22e91af008 internal/lsp: apply type modifiers to completion candidate
In situations like:

var buf bytes.Buffer
var w io.Writer = &b<>

if we want to complete to "buf" properly we need to apply the "&" type
modifier to buf's type of bytes.Buffer to see that it is assignable
to type io.Writer. Previously we applied type modifiers in reverse to
the "expected" type (io.Writer in this case), but that is obviously
incorrect in this situation since it is nonsensical to
dereference (the reverse of "&") io.Writer.

Change-Id: Ib7ab5761f625217e023286384c23b8c60e677aac
GitHub-Last-Rev: 4be528f2572c9c987334552e3f8a31d4eddce81a
GitHub-Pull-Request: golang/tools#121
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182598
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-19 20:27:14 +00:00
Suzy Mueller
b76e30ffa0 internal/lsp: fix references for type switch vars
Implicit local variables for type switches do not appear in the Uses
map and do not have objects associated with them.  This change
associates all of the different types objects for the same local type
switch declaration with one another in the declaration.

The identifier for the implicit local variable does not have a type but
does have declaration objects.

Find references for type switch vars will return references to all the
identifiers in all of the case clauses and the declaration.

Fixes golang/go#32584

Change-Id: I5563a2a48d31ca615c1e4e73b46eabca0f5dd72a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182462
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-19 18:18:01 +00:00
Michael Matloob
8b2b8cf54a internal/lsp: add a field on the package to store diagnostics
So we can surface their code actions later.

Change-Id: I735e5d025a1250861d49db227f5a79453f599140
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182837
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-19 16:20:43 +00:00
Henry Wong
bf5f34bf87 internal/lsp: remove the redundant Server.Run() call.
`go s.Run(ctx)` repeats `h(s)`.

Change-Id: I03ae6df64ad34194b8f46aabd0cf67e5a9e8c777
GitHub-Last-Rev: 3669875d72a196a8c84fb1709a7cf9f84fdbb688
GitHub-Pull-Request: golang/tools#105
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179297
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-19 15:21:02 +00:00
Rebecca Stambler
04b924abaa internal/lsp: enable textDocument/didSave notifications
The previous change to handle didSave never actually was turned on
because you need to specify it in the server capabilities.

Change-Id: I5ce40b4270eda125e0af6accf144d2a96070238c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182777
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-18 23:32:49 +00:00
Ian Cottrell
ab136c9d47 internal/lsp: switching debug pages to not use the default mux
Change-Id: I270fd1d4d44986aed6655da93e7388628f7b8b9c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182467
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-18 23:29:48 +00:00
Rebecca Stambler
fdf1049a94 internal/lsp: determine diagnostics to show per-file, not per-package
Previously, if any one file in a package had a parse error, we would not
send type errors for any of the other files. Now we make this decision
per-file, so that, even if a file has parse errors, type errors in the
other files will be shown.

Fixes golang/go#32596

Change-Id: I086c04f0ec37cd1b33845153328faf368232d834
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182466
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-18 16:30:18 +00:00
Muir Manders
da514acc47 internal/lsp: suggest completions that satisfy interfaces
When checking if a completion candidate matches the expected type at
the cursor position, we now use types.AssignableTo instead of
types.Identical. This properly handles cases like using a concrete
type to satisfy an interface type.

Calling AssignableTo triggered some crashes related to the fake
"resolved" types we create. Their underlying type was nil, which is
not allowed. We now set their underlying type to the invalid type.

I've also rearranged things so expected type information lives in a
dedicated typeInference struct. For now there is no new information added,
but in subsequent commits there will be more metadata about the
expected type.

Change-Id: I14e537c548960c30e444cf512a4413d75bb3ee45
GitHub-Last-Rev: 7e64ebe32938562648938d7a480195d954b018f2
GitHub-Pull-Request: golang/tools#116
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182358
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-17 19:08:20 +00:00
Edward Muller
7653e6d3d5 internal/lsp/cache: fix ineffectual err assignment
The `if err :=` block creates a shadow err value that is then discarded
after the block.

Change-Id: I78f6a7298ac5d3d86ece056a9e328bcee9fdc683

Change-Id: I78f6a7298ac5d3d86ece056a9e328bcee9fdc683
GitHub-Last-Rev: 4bac8fb982fa3a0724206422b1a4dbc5e41c34a9
GitHub-Pull-Request: golang/tools#114
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181777
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-17 16:34:45 +00:00
linguohua
97de5656fd internal/lsp/diff: remove redundant memory allocate and copy operations in function 'shortestEditSequence'.
These redundant operations can cause more memory and cpu consumption.

Change-Id: I54e0e23a8d1079c7991f55c897c441566c5fb2d8
GitHub-Last-Rev: 13162aa1e88ff272738c6a6675010edd2140c8a4
GitHub-Pull-Request: golang/tools#120
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182478
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-17 16:22:25 +00:00
Rebecca Stambler
5aca471b1d internal/lsp: clear diagnostics when all files from a package are closed
This change clears diagnostics for a package when all files from that
package have been closed in the editor. This prevents the user from
seeing irrelevant diagnostics.

Change-Id: I63d337805835dc45086cfba684d810f86ade5655
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182463
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-14 20:56:25 +00:00
Edward Muller
6f0482744c internal/lsp/cache: fix nil check by adding missing "continue"
Without this accessing gof.ast.file.Pos() will panic if gof.ast.file is nil

Change-Id: I829f3667d201f026fcf0475f4fdabce0aced58f8

Change-Id: I829f3667d201f026fcf0475f4fdabce0aced58f8
GitHub-Last-Rev: 777c015d691bf0d14cab5bb0bca6749cc9bdf605
GitHub-Pull-Request: golang/tools#119
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182420
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-14 20:25:48 +00:00
Rebecca Stambler
9a3b5d688f internal/lsp: parse filenames only out of go list errors
This changes the packageErrorSpan function into the listErrorSpan.
Previously, this was causing the gopls-generated errors to get parsed,
which would result in attempts to send diagnostics for invalid filenames.

Fixes golang/go#32603

Change-Id: I7a54ed8884b78beb3f894598f18a24ed232f7412
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182460
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-14 19:27:58 +00:00
Rebecca Stambler
61e0f78580 internal/lsp: use the memoize package to get *token.Files
This change does not actually use the token handle for GetToken right
now, but implements the approach for memoizing *token.Files.

Change-Id: I75919f4e97abd6893b202c021adecd2c9dbfc2be
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182277
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-14 19:20:18 +00:00
Ian Cottrell
a82f0323a4 internal/lsp: block rather than reject when the message queue is full
Change-Id: Ic8d4a0a4abfed71fe9290e9aae4efd6ab55124d5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182458
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-14 18:56:17 +00:00
Rebecca Stambler
d1d6cdd8a6 internal/lsp: clear out missing imports set when we re-load package
This change ensures that we always populate a new set of missing imports
when we re-load a package. Otherwise, we might keep stale missing
imports around.

Change-Id: Id9b6b8201e3ed093a7b9ece97a81e298de612a5e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182459
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-14 18:46:33 +00:00
Ian Cottrell
1edc8e83c8 internal/lsp: update analysis runner for new features
This adds support for the AllObjectFacts and AllPackageFacts features that were
added to the analysis library.
It also moves the list of analyzers to an exported global so it can be added to
easily.

Change-Id: Ibbe81b17b190d04a0e49510c23558430bc03ca70
Reviewed-on: https://go-review.googlesource.com/c/tools/+/182177
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
2019-06-14 15:20:01 +00:00
Ian Cottrell
149740340b internal/span: improve invalid uri message
Change-Id: Iaf4de4f3a3494868db130fe5fb6885fd28f2a4ea
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181684
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-13 16:13:34 +00:00
Peter Weinberger
027b3b4d7b internal/lsp/protocol: bring the code generating programs up to date
This is the typescript code that generates the current versions of
tsprotocol.go, tsserver.go, and tsclient.go.

Change-Id: If40cd7a46e5e7d646d99670da5e04831b6ddc222
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180477
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-13 13:40:55 +00:00
Ian Cottrell
10539ce303 cmd/gopls: preparing for v0.1.0
Change-Id: I6b749858cbba0ec300caa77426ba0ae69a97677d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181997
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-12 23:17:17 +00:00
Rebecca Stambler
59534d075a internal/lsp: use ids instead of package paths as map keys
This adds an IDs map to the metadata cache, which maps package paths to
IDs. This is only ever used by the Import function in the type checker.

Change-Id: I8677d9439895bc6cbca5072e3fa9fddad4e165d5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181683
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-12 18:00:59 +00:00
Koichi Shiraishi
028e009f40 internal/lsp: fix typo on license year
Change-Id: I3cd4a55c633fd7a154d35fd3669e13562295242b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181897
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-06-12 17:47:02 +00:00
Rebecca Stambler
7db4ac6d26 internal/lsp/debug: add newlines to debug messages
Change-Id: Ie8232bf857b8a277abb789e3788a6b6e12048731
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181938
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-12 17:36:44 +00:00
Rebecca Stambler
ecc01b7716 internal/memoize: document the complicated parts of the memoize package
This change is more of an exercise for myself to better understand the
implementation of the memoize package. It adds detailed documentation
for the get function in particular.

I also modified the tests to use a table-driven test format. I'm not
certain if this was the right approach (in case we want to add a
different type of test case in the future), but for now, it seems to
work fine.

Change-Id: I191a3b65af230e0af54b221c9f671582adec6c79
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181685
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-12 16:51:35 +00:00
Muir Manders
d73e1c7e25 internal/lsp: fix errors when adding new file to existing package
Previously when you added a new file to an existing package, the new
file would get stuck with the "no package for file" error until you
saved the file and then made changed a different file in the
package. There were two changes required to fix the errors:

First, we need to invalidate the package cache when a new file is
added to a package so that the package will actually re-parse and
re-type check. We now notice if file names changed when updating a
package's metadata and invalidate the package cache accordingly.

Second, when dealing with overlay (unsaved) files, we need to map
the *goFile to the package even if we fail to parse the
file (e.g. the new file fails to parse when it is empty). If we don't
map it to the package, the package won't get refreshed as the file is
changed.

Fixes golang/go#32341

Change-Id: I1a728fbedc79da7d5fe69554a5893efcd1e1d902
GitHub-Last-Rev: e7c3d4c1f8f73b12c87ee76d868cc04893e55808
GitHub-Pull-Request: golang/tools#111
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181417
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-11 22:22:05 +00:00
Rebecca Stambler
3c1b0c2805 internal/lsp: fix panic when file deleted
Change-Id: I6eb7e5ae7fb9de74d5a3fb42031adb4e933d99d8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181680
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-11 22:01:47 +00:00
Rebecca Stambler
6050b95026 internal/lsp: create types for package paths and IDs
This change replaces the strings that were previously used for both the
ID and package path fields. This is a precursor to the change that will
replace the uses of package path with package ID.

Change-Id: I353e98aedede9b85c7a183fdd49048ff43b1e26d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181757
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-11 21:58:02 +00:00
Ian Cottrell
d303ba255a internal/lsp: move the fixup and parallel limits into the main parse function
Previously these were only applied from inside parseFiles, which also made it
harder to refactor the remaining parse logic.
This theoretically means fixup is now called in more places than it was before,
but should cause no change in behaviour.

Change-Id: Ic6d006c1d36daca7514626653aaedf90d76e1d0f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181544
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-11 20:13:05 +00:00
Ian Cottrell
346706fc3d internal/lsp: memoize all the parsing
Change-Id: Ic7864a564f88b3fe0a421bb825b01d750610dee9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181119
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-11 20:12:58 +00:00
Ian Cottrell
ce2cddb08b internal/lsp: using memoize for all file contents
Change-Id: I7293bbcfea33c0df90f7b6df8e991aae9a03f2ab
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180846
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-11 20:12:47 +00:00
Rebecca Stambler
5b939d657d internal/lsp: fix type checking for unsafe package
Change-Id: I229a9329f38b8fc7f38e964652c582858c4edb5b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181678
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-11 19:41:53 +00:00
Muir Manders
1d0142ba47 internal/lsp: improve error handling while parsing
If the context is canceled (or times out) during parsing, we were
previously caching the package with no *ast.Files. Any further LSP
queries against that package would fail because the package is already
loaded, but none of the files are mapped to the package. Fix by
propagating non-parse errors as "fatal" errors in
parseFiles. typeCheck will propagate these errors and not cache the
package.

I also fixed the package cache to not cache errors loading
packages. If you get an error like "context canceled" then none of the
package's files are mapped to the package. This prevents the package
from ever getting unmapped when its files are updated. I also added a
retry mechanism where if the current request is not canceled but the
package failed to load due to a previous request being canceled, this
request can try loading the package again.

Updates golang/go#32354, golang/go#32360

Change-Id: I466ddb8d336aeecf6e50f9f6d040787a86a60ca0
GitHub-Last-Rev: 5f1e7ef9c883b76a9c1b3636936d91ec0821d922
GitHub-Pull-Request: golang/tools#110
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181317
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-11 16:41:26 +00:00
Rebecca Stambler
a99d5a724b internal/lsp: add a Version constant
This change will allow users in $GOPATH mode to have some
semblance of a gopls version.

Change-Id: I1b490d18fdf7550c54d56653ae500dc4dc25ee3b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181238
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-11 16:30:27 +00:00
Ian Cottrell
25a4f13759 internal/span: handle empty paths correctly
Change-Id: I3f411c5e27bcada26a756485a3b9de3514ac7955
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181677
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-11 15:43:01 +00:00
Rebecca Stambler
ff694a2184 internal/lsp: stop requiring a .go extension for all Go files
This change should fix the TryBot failures exposed by
https://golang.org/cl/181317.

Updates golang/go#31561

Change-Id: Ie77c9e3bfd6825dcd2608523e72f804f81d3f48c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181546
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-11 15:22:25 +00:00
Muir Manders
4bfb4c74ac internal/lsp: fix check for changed imports
We weren't comparing the right values when checking to see if a file's
import statements had changed. This was causing us to not refetch a
package's metadata when needed in certain cases. In particular, if you
typed out an import path by hand you would get stuck with "no metadata
for package" until you added or deleted another import line to trigger
metadata refresh.

Updates golang/go#32516, golang/go#32232

Change-Id: I1c99e9ee56d18f02c44c749d33679aa4e561c620
GitHub-Last-Rev: 20d46b30b520572b05e3228d9e43ba46dfd1be3d
GitHub-Pull-Request: golang/tools#112
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181578
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-06-11 15:01:45 +00:00
Ian Cottrell
f8d1dee965 internal/memoize: a new library to memoize functions
This library holds onto results with a weak reference, and guarantees that for
as long as
a result has not been garbage collected it will return the same result for the
same key.

Change-Id: I4a4528f31bf8bbf18809cbffe95dc93e05d769fe
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180845
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-10 23:17:49 +00:00
Heschi Kreinick
0945d3616f internal/imports: suggest x for x_tests
golang.org/cl/170238 forgot that it's okay for an x_test to import a
package in the same directory. Only skip the candidate if the package
we're looking for has the same name as the one being fixed.

Fixes golang/go#32440

Change-Id: I7806d9f4174ca217ac83887da5e23b28cd102095
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181338
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-10 21:48:47 +00:00
Ian Cottrell
e88138204b internal/span: change URI.Filename so it just returns the filename
We panic if the uri was not a valid file uri instead
They always are a valid file URI, and we would fail miserably to cope if they were
not anyway, and there are lots of places where we need to be able to get the filename
and don't want to cope with an error that cannot occur.
If we ever have not file uri's, you will have to check if it is a file before calling
.Filename, which seems reasonable anyway.

Change-Id: Ifb26a165bd43c2d310378314550b5749b09e2ebd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181017
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-10 21:39:43 +00:00
Rebecca Stambler
fe937a7521 internal/lsp: allow fine-grained control over vet checks
This change adds an "experimentalDisabledAnalyses" configuration
to the "gopls" configuration. A user can specify a list of excluded
analyses by analyzer name.

Fixes golang/go#31717

Change-Id: I4b162fcd61ecfcef5c926bd0e96f182748a7721d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179920
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-10 19:43:59 +00:00
Suzy Mueller
bca362e842 internal/lsp: add find all references
This change implements the find all references feature by finding all of
the uses and definitions of the identifier within the current package.

Testing for references is done using "refs" in the testdata files and
marking the references in the package.

Change-Id: Ieb44b68608e940df5f65c3052eb9ec974f6fae6c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181122
Run-TryBot: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-10 19:06:22 +00:00
Rebecca Stambler
5ae6a9745e internal/lsp: track missing imports, re-running packages.Load
This change marks any unresolved packages discovered as imports by
go/packages.Load. It re-runs go/packages.Load for any package with
missing imports, which will result in the LSP registering changes in
dependencies.

However, this means that we re-run go/packages.Load on
package's with unresolved imports much more than we normally would, so
it may result in a slowdown or unexpected behavior. I'm not sure if this
is necessarily the correct approach here.

Updates golang/go#32232

Change-Id: Id611fa1876e42c88ca2c3e4db30da66dc66945fc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180537
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-10 18:15:09 +00:00
Rebecca Stambler
f68ef2071d internal/lsp: enable "ignoreFuncBodies" and fix caching
This change enables the trimmed ASTs behavior and fixes the broken
tests by caching parse errors along with the ASTs that are being reused.

Change-Id: Ia8e7cdb138c62a8be88659f801506e03f213fe8c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181357
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-10 18:14:45 +00:00
Heschi Kreinick
e9a20a1396 internal/imports: actually cache resolvers
I forgot to actually save the resolver instances...

Change-Id: Ieff4f22d29038895dc15be97491476f414544a5c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181337
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-10 16:54:38 +00:00
Rebecca Stambler
e6ce0ddf03 internal/lsp: add an implementation for textDocument/didSave
This change marks the overlay for a saved file as "on disk".
This will reduce the number of overlays we provide to go/packages, which
can be expensive.

Updates golang/go#31796, golang/go#32457

Change-Id: I8e69503ab80bba29caf4e42491d87e643bf17f1a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181123
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Peter Weinberger <pjw@google.com>
2019-06-10 16:29:40 +00:00
Rebecca Stambler
eacb66d2a7 internal/lsp: reply with nil, rather than empty, signature help
Change-Id: I9326ad59fb3ee33aba2ba9d05758dae5c3451bde
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181358
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-08 02:21:20 +00:00
Heschi Kreinick
755ce86c76 internal/imports: fix TestNoMainModule
https://golang.org/cl/179998 made it an error to run go mod download
without args and without a go.mod. Don't do that.

Fixes golang/go#32488

Change-Id: Icd845feb8fecae69b6a8363438bb9ee546a310dc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/181298
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-07 22:46:22 +00:00
Rebecca Stambler
68211a626c internal/lsp: fix some issues with trimming ASTs
This change correctly invalidates the cache when we
have to go from a trimmed to untrimmed AST.

The "ignoreFuncBodies" behavior is still disabled due to a racy test.

Updates golang/go#30309

Change-Id: I6b89d1d2140d77517616cb3956721a157c25ab71
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180857
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-07 20:08:10 +00:00
Rebecca Stambler
0139d5756a internal/lsp: attach documentation to signature help
This change refactors hover to generate documentation for just the
declaration portion of an identifier.

Updates golang/go#29151

Change-Id: I16d48a99b56c36132e49cc87e2736f85c88ed14a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180657
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-06 17:46:28 +00:00
Ian Cottrell
4d9ae51c24 internal/lsp: remove source.FileContent
On FileHandle Read now just returns the data hash and error
This makes it more obvious that you should handle the error, rather than hiding
it all in a struct.
We also change the way we get and return content, the main source.File
constructs now hold a FileHandle that then updates on invalidation

Change-Id: I20be1b995355e948244342130eafec056df10081
Reviewed-on: https://go-review.googlesource.com/c/tools/+/180417
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-06 05:02:23 +00:00
Ian Cottrell
596a85b56b internal/lsp: don't queue content changes
This updates overlays immeditely, and uses the handle identity change to
correctly update the content on demand.

Fixes golang/go#32348

Change-Id: I3125a6350cac358b7c0f7dc11f2bd11ae1f41031
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179922
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-06 04:44:31 +00:00
Ian Cottrell
2c3de6a5ae internal/lsp: change file system to allow lazy reads
We split aquiring a "handle" from reading a files contents so that we can do the
former eagerly and the latter lazily.
We also "version" the handles so that the same file at different versions is a
different handle.

Change-Id: I06cc346d4b4c77d784aa454702c54689f2f177e0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179917
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-06 01:09:34 +00:00
Rebecca Stambler
8aaa1484dc internal/lsp: add some basic tests for imports
This change adds a few simple tests for the goimports behavior of gopls.
There are still missing cases for non-standard library, but this is a
good start.

Change-Id: I2f9bc2cc876dcabf81413384b83fa3508517adf0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179918
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-06-03 23:13:51 +00:00
Koichi Shiraishi
70bf279967 internal/lsp: support build flags on processConfig
Add 'buildFlags' config to processConfig and pass that value to packages.Config.
We can avoid incorrect diagnostics such as if current source codes require any build tags.

Change-Id: Id191469ec75eedaa82b75ec4fdec084fa78c2c5d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178782
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-06-03 21:18:25 +00:00
Rebecca Stambler
b012c19798 internal/lsp: trim ASTs for which we do not require function bodies
This change trims the function bodies from the ASTs of files belonging to
dependency packages. In these cases, we do not necessarily need full
file ASTs, so it's not necessary to store the function bodies in memory.

This change will reduce memory usage. However, it will also slow down
the case of a user opening a file in a dependency package, as we will
have to re-typecheck the file to get the full AST. Hopefully, this
increase in latency will not be significant, as we will only need to
re-typecheck a single package (all the dependencies should be cached).

Updates golang/go#30309

Change-Id: I7871ae44499c851d1097087bd9d3567bb27db691
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178719
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-03 19:34:55 +00:00
Rebecca Stambler
a4e9122f10 internal/lsp: fix regression from CL 179439
Fixes golang/go#32378

Change-Id: I7c5b794ba6137084a56e3e7bf8027a6f65819b34
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179919
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-03 19:23:55 +00:00
Rebecca Stambler
178e83bc9d internal/lsp: build the builtin package preemptively
This change fixes a regression introduced by the building the builtin
package on demand. Although this change increases the startup tasks of
gopls, it is necessary to ensure that we ignore diagnostics from
builtin.go.

Change-Id: I897e747a273056d70cecba486a74c75a736d8f80
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179921
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-06-03 18:19:26 +00:00
Ian Cottrell
359a0754b7 internal/jsonrpc2: adding rpc trace tasks
Change-Id: I101957f7aeb95034a71ab2db47e0422721c500f6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179717
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-03 17:43:23 +00:00
Ian Cottrell
37dc81f201 internal/lsp: add memory debugging page
Display the memory statistics provided by the runtime package.

Change-Id: I3ae9c51a847fc1808c15faaadbbdc7a4874c11f0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179517
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-03 17:43:05 +00:00
Ian Cottrell
df5f646307 internal/lsp: debug pages for sessions views and files
Change-Id: Id21f391bd66513615d274588ce7d1d1efe407074
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179438
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-03 17:39:32 +00:00
Ian Cottrell
08e0b306e8 internal/lsp: move PrintVersionInfo to the debug package
Also add a new rendering mode, and clean up the plain text one.
Then use it to add an info page to to the server in debug mode.

Change-Id: Ifa66a75260965d0e46e874200203ebbc4490e424
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179497
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-06-03 15:29:06 +00:00
Edward Muller
26e35f15ed internal/lsp/cache: fix leaking wg.Done() and <-ioLimit
There were several returns in this function that could leak both the
wg.Done() and <-ioLimit. This refactors them into defers close to their
counterparts.

Additionally I refactored the function to favor early returns over
nested if statements.

Fixes golang/go#32368

Change-Id: I5357d11ee526c1cb7a6bd1a0f652c61d574c10ab
GitHub-Last-Rev: bfa160b9fd75c4464d2e0a2820c04ddae01de21f
GitHub-Pull-Request: golang/tools#107
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179878
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Ian Cottrell <iancottrell@google.com>
2019-05-31 22:35:38 +00:00
Paul Jolly
ce1a3806b5 internal/lsp: send void client response to client/registerCapapbility
Following CL 179157, client/registerCapapbility and
client/unregisterCapapbility are both (void) requests, not
notifications. Hence the client must send a response, else the server
will wait forever.

Fixes golang/go#32322

Change-Id: I77969317465c0c31fb29d27519d655712d8c3c2a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179359
Reviewed-by: Peter Weinberger <pjw@google.com>
2019-05-30 18:43:49 +00:00
Michael Matloob
2b03ca6e44 go/analysis: add an End field to Diagnostic
This will allow diagnostics to denote the range they apply to.
The ranges are now interpreted using the internal/span library.

This is primarily intended for the benefit of the LSP, which will
be able to (in future CLs) more accurately highlight the part
of the code a diagnostic applies to.

Change-Id: Ic35cec2b21060c9dc6a8f5ebb7faa62d81a07435
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179237
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-30 17:14:27 +00:00
Rebecca Stambler
12d7342421 internal/lsp: refactor to separate pieces of type-checking
Change-Id: Idab49286e59803e4ae0f749eb9f2990b611ea689
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179439
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-30 04:37:10 +00:00
Ian Cottrell
b97706b7f6 internal/lsp: add debug page serving
This adds a framework for gopls server debugging pages, and adds the standard profiling pages to it.

Change-Id: Ie319e4ad070ac41b2ae7791cb3e0e5bb4ae12ef4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179277
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-30 00:16:15 +00:00
Rebecca Stambler
d850aa06e8 internal/lsp: fix setting overlays in tests
This change fixes the test failure that has appeared in a few TryBot
runs.

Change-Id: If583555250d63b7f446ec7d8eb09810b842633ae
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179437
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-29 19:11:38 +00:00
Rebecca Stambler
aa71c3f324 internal/lsp: set env to os.Environ to start
Change-Id: Ia3952f76918957eba46f8ba2c616f14f424ff4b3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179221
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-29 01:04:54 +00:00
Rebecca Stambler
08bd53a4b4 internal/lsp: run analyses despite some errors
Updates golang/go#32247

Change-Id: Id474e62ea70676c782eb49dddebd64d7f274d2cf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179218
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-28 20:25:02 +00:00
Peter Weinberger
d238219cc2 internal/lsp: client/registerCapapbility is a request, not a notification
Although they have null responses, client/[un]registerCapability messages
are RPCs from golps to the editor, not notifications.
(This bug had unknown impact.)

Change-Id: I3be2eb30b46f937b8ec29d1668f682b797d84be9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/179157
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Peter Weinberger <pjw@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-28 15:12:38 +00:00
Rebecca Stambler
3d17549cdc internal/lsp: add modfile, sumfile structs, require Go files for diagnostics
This change adds a stub modFile struct for use in the future. It also
moves the singleDiagnostic function out into the lsp package, so that
the source package does not make decisions about what to show to the
user as a diagnostic.

Fixes golang/go#32221

Change-Id: I577c66fcd3c1daadaa221b52ff36bfa0fe07fb53
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178681
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-24 21:02:28 +00:00
Rebecca Stambler
d532c0723d internal/lsp: fix race condition in type-checking
Change-Id: Idff7cc3a28b4a03ce0d374c6c5035b51330143b1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178724
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-24 20:33:21 +00:00
Heschi Kreinick
d487f80763 all: GOSUMDB=off for tests that use fake modules
Users of packagestest will create modules that don't exist on the
Internet and can change. There's no point in checking sum.golang.org for
them under any circumstances.

Similarly for the various goimports tests.

Fixes golang/go#32216.

Change-Id: Id9a6b660564cb744530bf9d209fca19008fb9c4f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178722
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-24 18:48:02 +00:00
Ian Cottrell
2c0ae70061 internal/lsp: add file watching and use it to trigger invalidations
Change-Id: I6148539509364655e7d42044b73789870d30fbb6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178161
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-24 14:03:12 +00:00
Ian Cottrell
75713da896 internal/lsp: add a file system abstraction
Change-Id: Ie42835b835ed22fddbba187ab10d8c31019ff008
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178097
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-24 13:48:47 +00:00
Peter Weinberger
991f294999 internal/lsp: remove SelectionRange and textDocument/selectionRange
These are the latest changes to vscode-languageserver-node brought to Go.

Change-Id: I88d0b384356964c358cb2c51ea3b79cb6b51b434
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178357
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-24 12:55:31 +00:00
Rebecca Stambler
38d8bcfa38 internal/lsp: don't show diagnostics for mod files
The Go file changes didn't actually check the file extensions for the
files the Go extension is receiving. This error was not noticed because
the VSCode extension doesn't yet actually send mod files to gopls yet,
but it will in its next release.

Fixes golang/go#32178

Change-Id: Ia04d0a92ce7df13fcf4c601421bc000d69855f6d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178679
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-23 17:46:34 +00:00
Rebecca Stambler
521d6ed310 internal/lsp: re-run go/packages.Load when the package name changes
Fixes golang/go#32149

Change-Id: Ic02af6fd4fb19aae0d38a4d51ec4462abdc4f446
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178162
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-21 20:35:40 +00:00
Ian Cottrell
7927dbab1b internal/lsp: build the packages config on demand from proper configuration
This moves the fileset down to the base cache, the overlays down to the session
and stores the environment on the view.
packages.Config is no longer part of any public API, and the config is build on
demand by combining all the layers of cache.
Also added some documentation to the main source pacakge interfaces.

Change-Id: I058092ad2275d433864d1f58576fc55e194607a6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178017
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-21 17:12:43 +00:00
Rebecca Stambler
2c78df6d2c internal/lsp: log when we fail to type-check a package
Change-Id: I07a0a224359b698e50da8496b21634d8bd947aa9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178277
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-21 15:28:58 +00:00
Heschi Kreinick
26647e34d3 imports: allow nil Options in Process
Forgot this case in CL 175437.

Change-Id: I9825cf010611fed9f47b1a87fc793bf3a5a36f68
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178257
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-20 22:08:59 +00:00
Muir Manders
eda2c2f1ae internal/lsp: fix completion insertion with non-identifier suffix
Completions like "foo.Bar(baz.<>)" were replacing one too many
characters resulting in "foo.Bar(baz.Qux()". This is because the go
parser adds a phantom "_" identifier when parsing "foo.". We thought
the "_" was really there, so we were issuing text edits to replace
it. Fix by ignoring "_" selectors when the cursor is positioned to
their left.

Fixes microsoft/vscode-go#2525

Change-Id: I1233a9d6275e2a79b666ca0230862238160b4aab
GitHub-Last-Rev: de9a3f00187b1b9bfcc4e497461f4602ae6f8923
GitHub-Pull-Request: golang/tools#104
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178217
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-20 21:53:15 +00:00
Heschi Kreinick
757ca719ca imports: rename to internal/imports
For various reasons we need an internal-facing imports API. Move imports
to internal/imports, leaving behind a small wrapper package. The wrapper
package captures the globals at time of call into the options struct.

Also converts the last goimports tests to use the test helpers, and
fixes go/packages in module mode to work with empty modules, which was
necessary to get those last tests converted.

Change-Id: Ib1212c67908741a1800b992ef1935d563c6ade32
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175437
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-20 21:49:35 +00:00
Rebecca Stambler
7e7c6e5214 internal/lsp: add nil checks for ASTs and token
Fixes golang/go#32120
Updates golang/go#32132

Change-Id: Ib4bb8a4818be7dec468c46b72afc3dd57b35f155
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178158
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-20 20:09:54 +00:00
Ian Cottrell
faf83c64e9 internal/lsp: fix race in delivering diagnostics to the command line client
Fixes golang/go#32091

Change-Id: I1399a596169384f48d9f2409988226708dcd3473
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177937
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-20 19:38:31 +00:00
Rebecca Stambler
9558fe4a78 internal/lsp: update column mapper with content on incremental changes
Fixes golang/go#32114

Change-Id: If2ffade3d8d1e026e3b0aa7f2c9db4dc46d7c8b2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178157
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-20 19:04:59 +00:00
Evan Digby
d88f79806b internal/lsp: fix swallowed package errors
If a package has an error that makes it completely unparseable, such as containing a .go file with no "package" statement, the error was previously unreported. Such errors would manifest as other errors.

Fixes golang/go#31712

Change-Id: I11b8d0e2e4d64b03fbcb4c35e7f0b02fccc83fad
GitHub-Last-Rev: 1581cbe36c269dd964f0b9226dbd63b1650c2a5b
GitHub-Pull-Request: golang/tools#102
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177605
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-17 18:33:31 +00:00
Muir Manders
f217c98fae internal/lsp: fix completion insertion
The insertion range for completion items was not right. The range's
end was 1 before the start. Fix by taking into account the length of
the prefix when generating the range start and end.

Now instead of a "prefix", we track the completion's
"surrounding". This is basically the start and end of the abutting
identifier along with the cursor position. When we insert the
completion text, we overwrite the entire identifier, not just the
prefix. This fixes postfix completion like completing "foo.<>Bar" to
"foo.BarBaz".

Fixes golang/go#32078
Fixes golang/go#32057

Change-Id: I9d065a413ff9a6e20ae662ff93ad0092c2007c1d
GitHub-Last-Rev: af5ab4d60566bf0589d9a712c80d75280178cba9
GitHub-Pull-Request: golang/tools#103
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177757
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-17 18:32:58 +00:00
Rebecca Stambler
bffc5affc6 internal/lsp: support definitions and hover for builtins
This change adds support for definitions and hover for builtin types and
functions. It also includes some small (non-logic) changes to the import
spec definition function.

Additionally, there are some resulting changes in diagnostics to ignore
the builtin file but also use it for definitions (Ian, you were right
with your comment on my earlier review...).

Fixes golang/go#31696

Change-Id: I52d43d010a5ca8359b539c33e40782877eb730d0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177517
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-17 00:35:10 +00:00
Rebecca Stambler
1a8f2608bd internal/lsp: use ranges instead of positions in completion items
Fixes golang/go#32078

Change-Id: If33cc6f7a914e6ef17d06a34c39dceb61cfa16d4
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177657
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-17 00:27:32 +00:00
Ian Cottrell
b9584148ef internal/lsp: add structured layers to the cache
This is primarily to separate the levels because they have different cache
lifetimes and sharability.
This will allow us to share results between views and even between servers.

Change-Id: I280ca19d17a6ea8a15e48637d4445e2b6cf04769
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177518
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-16 21:30:38 +00:00
Rebecca Stambler
abbb706b23 internal/lsp: enable enhanced hover by default
This change removes the explicit configuration for improved
documentation on hover. We use a comment's synopsis rather than the full
comment.

However, we also add a "noDocsOnHover" setting that is used by the cmd
tests. Ultimately, no one should use this setting and we should remove
it. We leave it temporarily because the cmd tests still need work.

Change-Id: I5488eca96a729ed7edad8f59b95af163903740d6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174378
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-16 17:30:22 +00:00
Muir Manders
e5f21acdc3 internal/lsp: handle more expected type cases
Calculate expected type in the following cases:

- switch case statements
- index expressions (e.g. []int{}[<>] or map[string]int{}[<>])
- slice expressions (e.g. []int{}[1:<>])
- channel send statements
- channel receive expression

We now also prefer type names in type switch clauses and type asserts.

Change-Id: Iff8c317a9116868b36701d931c802d9147f962d8
GitHub-Last-Rev: e039a45aebe1c6aa9b2011cad67ddaa5e4ed4d77
GitHub-Pull-Request: golang/tools#97
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176941
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-16 16:26:11 +00:00
Ian Cottrell
4f9510c6a1 internal/lsp: prepare for non go files
This abstracts out the concrete file type so that we can support non go files.

Change-Id: I7447daa2ce076ec2867de9e59a0dedfe1a0553f5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175217
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-15 23:59:46 +00:00
Ian Cottrell
0e55654012 internal/lsp: add shutdown handling
We correcly cancel all background tasks and drop all active views when
the server is asked to shut down now.
This was mostly to support the command line being able to exit cleanly

Change-Id: Iff9f5ab51572aad5e3245dc01aa87b00dcd47963
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174940
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-15 23:16:32 +00:00
Rebecca Stambler
7c3f65130f internal/lsp: remove constant value from label and add tests
Fixes golang/go#29816
Fixes golang/go#31923

Change-Id: I4f0ff7941a5d26994ef6bbd10346eafe31160a21
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177357
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-15 19:19:14 +00:00
Rebecca Stambler
473d3dc1d7 internal/lsp: handle additional snippet cases
This change handles the case when a function that has already been
written out is being completed.

Change-Id: I0c4e9ec9bb5a8428526f00a4e62e020bcc30f0bf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176923
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-15 17:48:15 +00:00
Ian Cottrell
ce09bef8aa internal/lsp: reduce the api surface of the cache package
The cache now exposes only one symbol, NewView
This is preparing the cache for a re-write

Change-Id: I411c2cd7a7edc2e7c774218c6786f9fd4fcc53cb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176924
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-15 16:36:46 +00:00
Rebecca Stambler
707862fa78 internal/lsp: use builtin package for signature help
This change uses the builtin package to derive the signature help for
builtin functions.

Updates golang/go#31696

Change-Id: I458b3a89bdf143e7018e8be7cb6a5e8c068a47c2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176922
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-15 13:46:40 +00:00
Rebecca Stambler
2196cb7019 internal/lsp: make snippets private fields
Change-Id: I35d883196c7c3b35e14b49c0f5c779a91e72ce42
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177177
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-15 03:55:09 +00:00
Muir Manders
7d7faa4812 internal/lsp: fix missing parens in function call snippet
We were omitting the parens in function completions like "(foo<>)()"
because our check thought "foo" was the Fun in the outer CallExpr so
it already had parens. Fix by tightening up logic to only omit parens
for cases like "foo<>()" and "foo.bar<>()".

Change-Id: Ia602b80275f72baa6cdf6d61c22d3f3a6cfc3019
GitHub-Last-Rev: 41fecf92617e0812ee6552d8c43789eae83889bd
GitHub-Pull-Request: golang/tools#98
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176944
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-15 01:24:06 +00:00
Rebecca Stambler
921b34c7d0 internal/lsp: ignore files in the builtin package
This change stops diagnostics from running in files making up the "fake"
builtin package.

Fixes golang/go#31962

Change-Id: Ic54e1587e3ad54f0c1f5e82f1a6f3522b4c6bee9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177218
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-14 23:09:02 +00:00
Koichi Shiraishi
faff00d7e7 internal/lsp: fix typo on license year
Change-Id: I5643ce049bad0dfb45405c06adc7c2eb46a394ac
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177017
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-14 17:17:24 +00:00
Rebecca Stambler
2d081dbd58 internal/lsp: fix nil pointer when propagating diagnostics
Fixes golang/go#32030

Change-Id: I5ae7f2dc68c68c1a4851c637dcb75f312b0b35f5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/177057
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-14 14:35:49 +00:00
Rebecca Stambler
7d589f28aa internal/lsp: stop trimming prefix from InsertText
After some discussion about how to handle insert and filter text
(https://github.com/microsoft/vscode-languageserver-node/issues/488), it
seems that it is better practice to overwrite the prefix in completion
items, rather than trimming the prefix from the insert text.

Change-Id: I7c794b4b1d4518af31e7318a283aa3681a0cf66a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176958
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-13 23:30:21 +00:00
Muir Manders
de15caf068 internal/lsp: fix composite literal completion
Fix the following issues:

- We were trying to complete struct literal field names for
  selector expressions (e.g. "Foo{a.B<>}"). Now we only complete field
  names in this case if the expression is an *ast.Ident.
- We weren't including lexical completions in cases where you might be
  completing a field name or a variable name (e.g. "Foo{A<>}").

I refactored composite literal logic to live mostly in one place. Now
enclosingCompositeLiteral computes all the bits of information related
to composite literals. The expected type, completion, and snippet code
make use of those precalculated facts instead of redoing the work.

Change-Id: I29fc808544382c3c77f0bba1843520e04f38e79b
GitHub-Last-Rev: 3489062be342ab0f00325d3b3ae9ce681df7cf2e
GitHub-Pull-Request: golang/tools#96
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176601
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-13 22:24:33 +00:00
Peter Weinberger
8696927a28 internal/lsp: respond to shutdown requests and add DO NOT EDITs
Partly fixes golang/go#31333 (responds to shutdown request, but does
not reject later requests)
Fixes: golang/go#31375 by adding DO NOT EDIT comments to tsclient.go,
tsserver.go, and further details in the package doc in tsprotocol.go,
following the rule in golang/go#13560

Change-Id: I412e3dc6661373b8b70cdd15a385ad7bbd55a897
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176921
Run-TryBot: Peter Weinberger <pjw@google.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-05-13 17:21:55 +00:00
Ian Cottrell
99f201b680 internal/lsp: add some missing copyright notices
Change-Id: Ieba43cfb3637bb50959801ce1226431f77e16e05
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176642
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-11 04:16:17 +00:00
Ian Cottrell
44dd571771 internal/lsp: add version and bug commands
Also log gopls version information on startup in server mode.

Change-Id: If7bf85d19f993430709b1fae83083e6fdfe1b2ca
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175199
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-11 04:16:02 +00:00
Ian Cottrell
90441677ad internal/lsp: suppress info and default logging unless a verbose flag is supplied
Change-Id: Ib4bf2a47cad4151b4b64d922855013b22b4fbb15
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176641
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-11 04:13:52 +00:00
Ian Cottrell
80b1e8742c internal/lsp: support dynamic workspace folder changes
This also required us to change the way we map files to a view, as it may change
over time.

Fixes golang/go#31635

Change-Id: Ic82467a1185717081487389f4c25ad69df1af290
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175477
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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2019-05-10 21:22:50 +00:00
Ian Cottrell
4ca280b5bd internal/lsp: fix definition tests to use golden files
specifically it uses them for the guru compatability tests
This change radically increases the test coverage of the godef tests as it now
works for all the jump to definition tests not just the specialized ones.

Change-Id: I63547138566ac3de56344dcfddb758ed5f362a06
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174937
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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2019-05-10 21:06:55 +00:00
Ian Cottrell
0522b6e926 internal/lsp: adding the test suite to the source package
Change-Id: Ia287d84186bccca9e74050528daf809cb0e88c46
Reviewed-on: https://go-review.googlesource.com/c/tools/+/176117
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-10 20:20:41 +00:00
Ian Cottrell
d4e30f1c22 internal/lsp: making cmd tests fast and small
This required extensive changes to the "internal" server handling and also to
the way we wait for diagnostics in the "check" verb.
It improves both memory and time by over an order of magnitude, hopefully
allowing us to renable the tests on the builders

Change-Id: I84e84ca4c449e9970ebf1d922a0a2ce0a8a49c72
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175878
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-10 20:14:07 +00:00
Muir Manders
775b7fe395 internal/lsp: improve expected type determination
Improve expected type determination for the following cases:

- search back further through ast path to handle cases where the
  position's node is more than two nodes from the ancestor node with
  type information
- generate expected type for return statements
- wrap and unwrap pointerness from expected type when position is
  preceded by "*" (dereference) or "&" (reference) operators,
  respectively
- fix some false positive expected types when completing the "Fun"
  (left) side of a CallExpr

Change-Id: I907ee3e405bd8420031a7b03329de5df1c3493b9
GitHub-Last-Rev: 20a0ac9bf2b5350494c6738f5960676cc50fb454
GitHub-Pull-Request: golang/tools#93
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174477
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-10 20:11:04 +00:00
Muir Manders
63859f3815 internal/lsp: add definition support for packages
Now the "type" of a *ast.PkgName is the package it points to. Of
course, a package is not a real types.Type, but we can still jump you
there. We have to pick one of the package's files, so we choose the
longest one, hoping it is the most interesting.

Similarly, the "definition" of an *ast.ImportSpec is the package being
imported.

I also added a nil check for the package in SignatureHelp. This panics
for me occasionally.

Change-Id: Ide4640530a28bcec9da6de36723eb7f0e4cc941c
GitHub-Last-Rev: 8190baa0b908065db5b53f236de03d2f3bff39b5
GitHub-Pull-Request: golang/tools#92
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174081
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-10 15:10:30 +00:00
Rebecca Stambler
3eedecdc80 internal/lsp: propagate diagnostics for reverse dependencies
Prior to this change, if a package was rendered invalid by a change in
one of its dependencies, diagnostics would not be propagated until the
user typed in one of the package's files. Now, these updated diagnostics
are sent along with the diagnostics for the dependency.

Fixes golang/go#29817

Change-Id: I4761de31c4bdee820e024005f6112b3b3d2e1da6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174977
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-10 13:52:23 +00:00
Rebecca Stambler
a1c92a4ac6 internal/lsp: add additional error handling for builtin packages
Change-Id: I1a084a47d2f171c6b94bde6fece008cddd547833
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175937
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-10 13:52:03 +00:00
Ian Cottrell
cf84161cff internal/lsp: fix incremental updates and turn them on
Updates that only add text have a start and end that are the same, we were
erroring on those and failing to apply the changes.

Fixes golang/go#31800

Change-Id: Ia31b90f108742e5532d2da35137c347c26090a6a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174949
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-08 15:02:11 +00:00
Ian Cottrell
490d13020f internal/lsp: switch golden files to use txtar
I was about to add some more tests and it caused a huge number of golden files,
which was hard to deal with. Now all the golden files are packed into a single
.golden archive in the txtar format.
I also changed the tagging key for hover results to use the marker name rather
than the line and column, as it makes it more stable against test data changes.

Change-Id: Iaa1f54ab55a41d380db67b9f6f928fa7a52d9a5e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174877
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-08 14:59:27 +00:00
Rebecca Stambler
5658f888b3 internal/lsp: disable rangeFormatting temporarily
RangeFormatting was broken with the introduction of the diff library,
but not noticed until golang/go#31150. Temporarily disable this behavior
until we fix it.

Change-Id: Ie3e50a763e0c0e8672ad20c3a2e37d901325d356
Reviewed-on: https://go-review.googlesource.com/c/tools/+/175938
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-08 13:53:17 +00:00
Ian Cottrell
3b6f9c0030 internal/lsp: add document link handling for import paths to godoc
Change-Id: Ib2eef50047dfcc64110c264e77d648f959613b88
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173698
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-03 18:56:57 +00:00
Ian Cottrell
9cb3dcf692 internal/span: update the offset if the end offset should be valid but is not
It used to be that when the start offset was valid, it was presumed the end was
as well.
This was not true in the case where the start offset was not supplied but could
be inferred (at the very start of the file).

Fixes golang/go#31797

Change-Id: Ie5a079796fa0f77cef5571a4e5b309c798e1e06b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174943
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-03 18:46:43 +00:00
Ian Cottrell
83df196e57 internal/span: add a filename only print for spans
This prints the base of the path rather than the whole path when printing a
span.
This is useful for places where you are printing for the user rather than for
machines.
The format is %f

Change-Id: I6d1a52e4583099ff298c1fb645272578a49472eb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174942
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-05-03 02:58:08 +00:00
Rebecca Stambler
2346320968 internal/lsp: support builtin types without hardcoding
This change uses an *ast.Package built from the file
go/src/builtin/builtin.go. Completion (and ultimately other features)
will be resolved using this AST instead of being hardcoded.

Change-Id: I3e34030b3236994faa484cf17cf75da511165133
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174381
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-05-01 04:50:30 +00:00
Ian Cottrell
2d28432af7 internal/lsp: first pass at some hover tests
This uses golden files to hold the hover text as they are no more fragile than
hard coding the text in the tests, and much easier to update.
We need a lot more tests, and ones with actual comments, but this is a start and
at least adds the machienery it would take.

Change-Id: Ia2f79257642759e4c2f972d4037f258134e0fb33
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174380
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-30 19:42:29 +00:00
Peter Weinberger
08ecc9edd9 internal/lsp: generate RPC interface from Typescript source
The generated code adds some server methods that are unsupported, but were
prviously unimplemented, and makes small adjusments to some parameter types.

Change-Id: I3dd32cafa3e457193f0771e0f8e150c88b381c82
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173420
Run-TryBot: Peter Weinberger <pjw@google.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-30 16:16:08 +00:00
Rebecca Stambler
b9fed7929f internal/lsp: change some comments and variable names in completion code
Also, return diagnostics instead of errors from source.Diagnostics (to
avoid stuck diagnostics).

Change-Id: I56b067273982fd086ed74185e50eda5b72b5fba1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174400
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-30 00:41:04 +00:00
Ian Cottrell
35c670923e internal/lsp: clean up formatting header handling
This is mostly to set things up to use golden files the same way for other commands.

Change-Id: I7fcc7165706763e655b0e46f0790b367fe5d3d59
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174018
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-29 18:49:09 +00:00
Rebecca Stambler
f97eea45a1 internal/lsp: handle nil pointer in (*Package).GetActionGraph
Fixes golang/go#31700

Change-Id: I1ee71f65d2bdb2a95b261c4266df64b473d2fda5
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174019
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-29 18:40:48 +00:00
Paul Jolly
7af746645d internal/span: fix another off-by-one in ToUTF16Column
The current tests contain a bug in the priming of funnyString; the
subslicing leaves the resulting content slice with a capacity greater
than its length. This allowed a bug ToUTF16Column to sneak through where
we were not using 0-based column as the offset within the line.

Fix the priming of funnyString, and fix the implementation of
ToUTF16Column.

Change-Id: I2618878d85bba26f52f99a3fc136ad21fe198dfc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/174357
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Ian Cottrell <iancottrell@google.com>
2019-04-29 18:16:56 +00:00
Muir Manders
c6e1543aba internal/lsp: add struct literal field snippets
Now when you accept a struct literal field name completion, you will
get a snippet that includes the colon, a tab stop, and a comma if
the literal is multi-line. If you have "gopls.usePlaceholders"
enabled, you will get a placeholder with the field's type as well.

I pushed snippet generation into the "source" package so ast and type
info is available. This allows for smarter, more context aware snippet
generation. For example, this let me fix an issue with the function
snippets where "foo<>()" was completing to "foo(<>)()". Now we don't
add the function call snippet if the position is already in a CallExpr.

I also added a new "Insert" field to CompletionItem to store the plain
object name. This way, we don't have to undo label decorations when
generating the insert text for the completion response. I also changed
"filterText" to use this "Insert" field since you don't want the
filter text to include the extra label decorations.

Fixes golang/go#31556

Change-Id: I75266b2a4c0fe4036c44b315582f51738e464a39
GitHub-Last-Rev: 1ec28b2395c7bbe748940befe8c38579f5d75f61
GitHub-Pull-Request: golang/tools#89
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173577
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-29 17:59:36 +00:00
Rebecca Stambler
550556f78a internal/lsp/source: refactor completion
This change separates the completion formatting functions from the
completion logic. It also simplifies the completion logic by necessary
values per-request into a struct that is used throughout.

Change-Id: Ieb6b09b7076ecf89c8b76ec12c1f1c9b10618cfe
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173779
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-28 02:47:24 +00:00
Rebecca Stambler
ad9eeb8003 internal/lsp: handle shadowed variables in lexical completions
Fixes golang/go#31621

Change-Id: I6d5cfde5d5bebc704c9178d40bb93801b255e01c
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173958
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-04-25 22:28:32 +00:00
Ian Cottrell
4eab536980 internal/lsp: add the format command line
Change-Id: If7c4135b6b81b4f691d0f5eae8b49a1aca028346
Reviewed-on: https://go-review.googlesource.com/c/tools/+/171031
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-25 22:22:32 +00:00
Ian Cottrell
0c752f569a internal/lsp: fix utf16 conversion for end of file cursor
Also remove error case that can no longer happen and the related test.

Fixes golang/go#31341

Change-Id: I534956f6e835dea4334b68d0ad0297cf93920af2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173960
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-25 22:14:49 +00:00
Ian Cottrell
b5495a5ed7 internal/lsp: extensive utf16 tests
Based on the work Paul Jolly did in https://go-review.googlesource.com/c/tools/+/173797
but not as internal tests and with a mildly obsessive attention to coverage.
Also has a failing test for golang/go#31341 that you can enable with -b31341

Change-Id: I528eee5304cd7191eafd3bcddb2f636c8722846f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173978
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-25 22:14:35 +00:00
Rebecca Stambler
079ac3a490 internal/lsp: handle error from runAnalyses
Change-Id: I73062bd3b4db8f238f009b8c8f3786c39c5d0d54
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173957
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-25 22:07:02 +00:00
Muir Manders
e54115a062 internal/lsp: fix stuck diagnostic messages
The "analyses" cache in lsp/cache.(*Package).GetActionGraph was not
getting cleared on errors. This could result in future calls to
GetActionGraph waiting on the "ready" channel indefinitely. This in
turn caused the goroutine in cacheAndDiagnose to block indefinitely
and never send the diagnostic results back.

Now we use a defer statement to always close the channel. If we did
not succeed, we also clear out the cache entry and set a "succeeded =
false" flag to signal waiters that they need to retry. If in the
future errors other than context.Canceled/Timeout are possible, this
retry behavior may need to be revisited.

Fixes golang/go#30786

Change-Id: Icacc9188f1500b00f2178521ce373a2c1363f932
GitHub-Last-Rev: 7c43afd4286a69b0d35a625716e6934c72c4cef5
GitHub-Pull-Request: golang/tools#91
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173977
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-04-25 21:19:06 +00:00
Rebecca Stambler
bb8aefc696 internal/lsp: return errors when we can't find a package
This will allow us to surface these errors as diagnostics.

Change-Id: Ic8ad11ba43c08be6f391c0e2aa95015183461133
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173780
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-04-25 18:52:35 +00:00
Muir Manders
45abd40133 internal/lsp: introduce snippet builder object
*snippet.Builder helps you construct lsp completion snippet strings.
It handles escaping for you, and it gives a convenient interface for
writing nested placeholders.

Note that the builder does not support snippet "variables" or
associated features. They add a lot of complexity and don't seem very
useful at this point (plus they aren't supported in many editors).

Change-Id: I492ab2f6f0e08ed952154cbc0a17c86f32abf40a
GitHub-Last-Rev: 35a3f5d1cd0b6fda81b2c942a02aa1bd25c90acd
GitHub-Pull-Request: golang/tools#90
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173661
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-25 18:37:29 +00:00
Rebecca Stambler
1e8e1cfdf9 internal/lsp: handle completion after defer, go statements
This change adds support for completion of incomplete selectors after a
defer or go statement. We modify the AST before type-checking it with a
fake *ast.CallExpr.

Updates golang/go#29313

Change-Id: Ic9e8c9c49aa569cd7874791692c70a28c3146251
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172974
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-24 22:01:01 +00:00
Muir Manders
3e93b52866 internal/lsp: suppress more completions in comments and literals
Completion suppression in comments wasn't working for comments in
switch case statements, select case statements, and decl statements.
Rather than adding those to the list of leaf ast.Node types to look
for, we now always check if the position is in a comment. This fix
broke some completion tests that were using re"$" since "$" matches
after the comment "//" characters.

We now also don't complete within any literal values. Previously we
only excluded string literals.

Change-Id: If02f39f79fe2cd7417e39dbac2c6f84a484391ec
GitHub-Last-Rev: 7ab3f526b6752a8f74413dcd268382d359e1beba
GitHub-Pull-Request: golang/tools#88
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173518
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-04-24 20:52:08 +00:00
Zac Bergquist
f62e16ca41 internal/lsp: make interface methods children of the interface symbol
Change-Id: I8dbb1400a228ea077f63c2c48f8dba0ac93990d2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173237
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2019-04-24 02:46:01 +00:00
Rebecca Stambler
4bf14f7f06 internal/span: fix off-by-one in ToUTF16Column
Change-Id: I8c8344046b13f2606d7257ef8632e0426e15a85b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173498
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-24 02:45:18 +00:00
Rebecca Stambler
e58f34171d internal/lsp: add more error propagation and logging for analyses
This change propagates more errors from analyses, instead of just saving
them in act.err, we actually return immediately. Ultimately, we'd want
to return to the previous behavior, but this will help us figure out
what's going wrong.

Updates golang/go#30786

Change-Id: I9d3288fd113c43775140e5c008e3e300b6d28c2a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173497
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-24 02:44:48 +00:00
Muir Manders
49ba83114e internal/lsp: improve composite literal completion
When the value of a composite literal key/value pair was unparsable,
you were getting completions for the composite literal keys instead of
values. For example "struct { foo int }{foo: []<>" was completing to
the field name "foo". This was because the leaf ast.Node at the cursor
was the composite literal itself, and our go-back-one-character logic
was not happening because the preceding character's node
was *ast.BadExpr, not *ast.Ident. Fix by always generating the ast
path for the character before the cursor's position. I couldn't find
any cases where this broke completion.

I also added expected type detection for the following composite
literal cases:
- array/slice literals
- struct literals (both implicit and explicit field names)
- map keys and values

Fixes golang/go#29153

Change-Id: If8cf678cbd743a970f52893fcf4a9b83ea06d7e9
GitHub-Last-Rev: f385705cc05eb98132e20561451dbb8c39b68519
GitHub-Pull-Request: golang/tools#86
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173099
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-23 22:28:03 +00:00
Ian Cottrell
18110c573c internal/lsp: delay the running of gofmt until the test is running
Change-Id: I222c83313a6366367fbeb7ce7d08058968d3a08e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173340
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-23 21:55:36 +00:00
Ian Cottrell
2acd0f4c51 internal/lsp: adding golden file support to the test harness
Also convert the format tests to use it. This means that the build bots no
longer need to run gofmt.

Change-Id: I5cb9d239183b17d81fdb00b38e9099d224c07e6a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172973
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-23 21:54:59 +00:00
Jonathan Amsterdam
fe54fb3517 apidiff: represent a Report as a list of Changes
Modify the Report representation to be a list of Change values,
instead of two string slices.

This will enable adding more information to each change, like source
location.

Change-Id: Ia7389d7bc552479ea5e06efd7fdefe004058e66f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172777
Run-TryBot: Jay Conrod <jayconrod@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2019-04-22 23:39:26 +00:00
Rebecca Stambler
c6b416e8a4 internal/lsp: add more error handling to analysis
Updates golang/go#30786

Change-Id: Icf054b9bcd62b36e3aa55288946a9f0d1c845300
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172972
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-22 21:49:46 +00:00
Rebecca Stambler
3ff669b183 internal/lsp: add check for nil package
Fixes golang/go#31604

Change-Id: I60ec000d505c64783e5f51f62d168dc31c2fbe19
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172968
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-22 21:23:51 +00:00
Rebecca Stambler
1e2181f3f4 internal/lsp: add additional debug logging for diagnostics
This change adds detailed debug logging for lsp.Diagnostics. This is
necessary for further investigation of cases where diagnostics aren't
propagated after a "didChange" request.

Updates golang/go#30786

Change-Id: I30eabf5a1cb17d4538a8860310b450494626b76f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172971
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-22 21:11:31 +00:00
Koichi Shiraishi
61c0d37527 internal/lsp: fix typo on 'textDocument/foldingRange' method
LSP specification define 'foldingRange', not 'foldingRanges'.
Just trims end of 's' and rename interface method name.

ref: https://github.com/Microsoft/language-server-protocol/blob/gh-pages/specification.md#folding-range-request-leftwards_arrow_with_hook

Change-Id: Ie2a91f6c0bdd99b8ae9000ba87c24118b264b934
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173079
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-22 18:44:13 +00:00
micnncim
15d5d381ff internal/lsp: fix error handling in cmd
Found unnecessary error handling so removed.

Change-Id: I1a48e73186425291fdb0ede963b92ef6c9ce0ed8
GitHub-Last-Rev: d5cf67cb4a418bdc81dbd32eef9afb567ae4ff15
GitHub-Pull-Request: golang/tools#84
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173097
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-22 18:06:12 +00:00
micnncim
75f23652ec internal/lsp: fix query cmd usage
`query` usage has the following duplicated description.

```
Usage: query [flags] query [flags] <mode> <mode args>
```

```
$ gopls query
query: query must be supplied a mode
answer queries about go source code

Usage: query [flags] query [flags] <mode> <mode args>

The mode argument determines the query to perform:
  definition : show declaration of selected identifier

query flags are:
  -emulate string
        compatibility mode, causes gopls to emulate another tool.
        values depend on the operation being performed
  -json
        emit output in JSON format
```

Change-Id: Ib511b6c77d8b6dc8148ca46f88a1a133d21ba25c
GitHub-Last-Rev: a022377913fec65482a26e61a2b22927de7d4132
GitHub-Pull-Request: golang/tools#85
Reviewed-on: https://go-review.googlesource.com/c/tools/+/173098
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-22 18:06:03 +00:00
Ian Cottrell
7f54bd5c70 internal/lsp: extract the common test logic
Change-Id: I0a3e8a2837cdeefb3dbbe7b86ed75a32b321797e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172778
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-22 16:50:02 +00:00
Rebecca Stambler
9eb0fb1732 internal/lsp: support comments on hover for typenames, funcs, fields
This change adds support for showing documentation when hovering over any
named type or function. For now, we show the entire comment associated
with the type; in future CLs, we should refine our approach and perhaps
only show the first line or sentence.

Updates golang/go#29151

Change-Id: Ib33284747b19acba67d79fb55c916574c3dd8073
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172958
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-22 16:38:38 +00:00
Muir Manders
aa740d4807 internal/lsp: handle embedded struct pointer definitions
When jumping to definition of an embedded struct pointer, be sure to
unwrap the pointer type so you properly jump to the pointee type.

Also, fix jumping to definition of an embedded struct inside an
anonymous struct inside a struct. The embedded struct detection was
continuing too far and thinking it wasn't an embedded struct when it
saw the anonymous struct.

Fixes golang/go#31451

Change-Id: I96017764270712a2ae02a85306605495075d12e7
GitHub-Last-Rev: 9997f60855ebe37bcca2fecc1ba2a7b871f393d4
GitHub-Pull-Request: golang/tools#83
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172583
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-20 18:18:00 +00:00
Rebecca Stambler
c39e7748f6 internal/lsp: add type to placeholders in completion parameters
Fixes golang/go#31547

Change-Id: Ib6e54ae17c778421a49f34d3c60d56b126419a91
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172666
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-19 19:58:23 +00:00
Rebecca Stambler
f939817187 internal/lsp: add an additional check to ToUTF16Column
This change will at least stop the panic from occurring.

Updates golang/go#31341

Change-Id: I6b06941cfb6c020d2b37813573cb0dc068d54e65
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172667
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-19 19:37:30 +00:00
Rebecca Stambler
4796d4bd3d internal/lsp: use ast.Nodes for hover information
This change associates an ast.Node for some object declarations.
In this case, we only handle type declarations, but future changes will
support other objects as well. This is the first step in adding
documentation on hover.

Updates golang/go#29151

Change-Id: I39ddccf4130ee3b106725286375cd74bc51bcd38
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172661
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-18 23:52:43 +00:00
Rebecca Stambler
6732636ccd internal/lsp: use strings.EqualFold instead of ==
Change-Id: I34dc519f25fa976a959a749d4e1a525f5480b963
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172664
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
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2019-04-18 15:28:51 +00:00
Rebecca Stambler
a5870b4038 internal/lsp/protocol: add a compare function for span.URI
Add an additional check to handle URI comparisons. This fixes Hover on
Windows.

Change-Id: Ibfc816f1ec374144377a873c5b52867fafa3d7e8
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172659
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-17 22:30:02 +00:00
Ian Cottrell
183b688ac4 internal/lsp: add compare functions for spans
Needed in order to sort lists of spans for stable tests, also used for span
equality tests.

Change-Id: Id2bedff4d7136494e2302c02bcb9bdc662ccfeb1
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172660
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-17 22:21:04 +00:00
Rebecca Stambler
f6abc2cac8 internal/lsp: check content format instead of assuming markdown
Fixes golang/go#31078

Change-Id: I2227f64d839d65d7b46d43e1b90f5b1dc298bf6f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172601
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-17 21:38:10 +00:00
Ian Cottrell
afc68fbc60 internal/lsp: a cleaner way of doing overlays
Change-Id: I3ee053cfc4b63f54b9bf43d0ce6a2bae713e3a0d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172638
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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2019-04-17 21:35:05 +00:00
Rebecca Stambler
780da32332 internal/lsp: trigger signature help after completing a function
Change-Id: Ib0ee79a11dd828c77bdf22a19a24ed9d883d8393
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172600
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-17 21:12:31 +00:00
Rebecca Stambler
34437f544f internal/lsp: refactor server.go to separate into LSP categories
This change separates the different behaviors of server.go by the
categories defined in the spec. This allows us to differentiate more
easily between the language features and the text synchronization code.

I also renamed the "Symbols" function to "Symbol", which fits with the
specification
(https://microsoft.github.io/language-server-protocol/specification#workspace_symbol),
and makes clearer the distinction between DocumentSymbols and Symbol.

Change-Id: I926b8a772c478f6ae426352fb12dc4403f0e736a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172637
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
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2019-04-17 20:54:51 +00:00
Rebecca Stambler
6149f385e4 internal/lsp: reply to shutdown request
Fixes golang/go#31333

Change-Id: I5cb40baee49c4b1644df5612c977ab1d71942022
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172639
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-17 20:25:44 +00:00
Muir Manders
7e40e1726e internal/lsp: improve signatureHelp in various cases
- show signature for function calls whose function expression is not
  an object (e.g. the second call in foo()()). since the function name
  is not available, we use the generic "func"
- only provide signature help when the position is on or within the
  call expression parens. this is consistent with the one other lsp
  server i tried (java). this improves the gopls experience in emacs
  where lsp-mode is constantly calling "hover" and
  "signatureHelp" ("hover" should be preferred unless you are inside
  the function params list)
- use the entire signature type string as the label since that includes
  the return values, which are useful to see
- don't qualify the function name with its package. it looks funny to
  see "bytes.Cap()" as the help when you are in a call
  to (*bytes.Buffer).Cap(). it could be useful to include invocant
  type info, but leave it out for now since signature help is meant to
  focus on the function parameters.
- don't turn variadic args "foo ...int" into "foo []int" for the
  parameter information (i.e. maintain it as "foo ...int")
- when determining active parameter, count the space before a
  parameter name as being part of that parameter (e.g. the space
  before "b" in "func(a int, b int)")
- handle variadic params when determining the active param (i.e.
  highlight "foo(a int, *b ...string*)" on signature help for final
  param in `foo(123, "a", "b", "c")`
- don't generate an extra space in formatParams() for unnamed
  arguments

I also tweaked the signatureHelp server log message to include the
error message itself, and populated the server's logger in lsp_test.go
to aid in development.

Fixes golang/go#31448

Change-Id: Iefe0e1e3c531d17197c0fa997b949174475a276c
GitHub-Last-Rev: 5c0b8ebd87a8c05d5d8f519ea096f94e89c77e2c
GitHub-Pull-Request: golang/tools#82
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172439
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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2019-04-17 18:10:49 +00:00
Ian Cottrell
7b3e515a8c internal/lsp: switch completion item tests to using the enum strings
Also change the enum values to match the prior string conversion routine.

Change-Id: I23ac6a72c8e116c5ee05e9324356481e519781e9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172410
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-17 17:57:43 +00:00
Rebecca Stambler
aa385af2d9 go/packages: add support for entire packages defined in overlays
This change adds support in go/packages for defining an entire package
in an overlay. We also add corresponding tests for this in gopls, to
confirm that it works as expected.

Fixes golang/go#31467

Change-Id: Iead203ab2964a7ac4f571be97624b725ac5de7e0
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172409
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
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Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-04-17 17:55:51 +00:00
Ian Cottrell
4ca4b55e20 internal/lsp: make the symbols tests use the enum names rather than hard coding the values
this makes them less fragile, more portable and also more understandable.

Change-Id: Ife8a7ed76b7517eaae37bd3896fee87740ffb22a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172405
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-17 00:57:54 +00:00
Ian Cottrell
35716ff3bc internal/lsp: set the diagnostic source earlier
We now set the diagnostic source in the diagnostics call rather than when
converting it to the LSP protocol.

Change-Id: Ic762aaab1b2bf93b75c4c3d78aa84e2f918398fc
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172408
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-17 00:57:43 +00:00
Ian Cottrell
49a1609436 internal/lsp: cleanup the diagnostic and completion tests
this make the same kinds of changes I already made to the symbol tests,
to make the messages more detailed and remove the goto

Change-Id: I7cb27839b2ab696ad4e3d6537d91152e34fb1d89
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172477
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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2019-04-17 00:57:32 +00:00
Rebecca Stambler
dd61c98fae internal/lsp: run source.organizeImports on all codeActions
This change addresses the additional information we received in
https://github.com/Microsoft/language-server-protocol/issues/726.

Fixes golang/go#31359

Change-Id: Ied7c97ac1f9e429e28cc44563b93acabd80921a3
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172406
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
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2019-04-16 21:54:00 +00:00
Ian Cottrell
e2848a0e7d internal/lsp: minor clean up of symbol tests
remove the goto and make it print more information about why the failed.

Change-Id: I2f5f3c7fe88eae6fe5de61c5d9b401797b6933b2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/172404
Run-TryBot: Ian Cottrell <iancottrell@google.com>
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Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-04-16 21:24:14 +00:00