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Commit Graph

10 Commits

Author SHA1 Message Date
Rebecca Stambler
a10017ccd2 internal/lsp: handle common nil pointer exceptions
We may encounter these nil pointer if go/packages cannot find the
package of the given file, for example, when the user creates a new file
or a new package.

Change-Id: I16993017243a56332dd9f7e0aaf3c1d57f20fc3a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/167462
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-13 23:43:22 +00:00
Ian Cottrell
dbad8e90c9 internal/lsp: convert to the new location library
This rationalises all the position handling and conversion code out.
Fixes golang/go#29149

Change-Id: I2814f3e8ba769924bc70f35df9e5bf4d97d064de
Reviewed-on: https://go-review.googlesource.com/c/tools/+/166884
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-03-13 19:34:21 +00:00
Peter Weinberger
6a988fd03a tools/cmd/gopls: modify gopls to use automatcally generated types
Gopls presently uses hand-coded data types (in internal/lsp/protocol)
for communicating with LSP clients. Instead, modify it to use the
automatically generated file (internal/lsp/protocol/tsprotocol.go).

Replaced files have been put (temporarily) in a directory 'preserve'
so readers can compare the old data types with the new ones.

Change-Id: Idfa53a5783e2d6a47e03b20641dd76fbc2c32677
Reviewed-on: https://go-review.googlesource.com/c/tools/+/166757
Run-TryBot: Peter Weinberger <pjw@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-03-12 15:13:52 +00:00
Rebecca Stambler
00c44ba9c1 internal/lsp: add cache for type information
This change adds an additional cache for type information, which here is
just a *packages.Package for each package. The metadata cache maintains
the import graph, which allows us to easily determine when a package X
(and therefore any other package that imports X) should be invalidated.

Additionally, rather than performing content changes as they happen, we
queue up content changes and apply them the next time that any type
information is requested.

Updates golang/go#30309

Change-Id: Iaf569f641f84ce69b0c0d5bdabbaa85635eeb8bf
Reviewed-on: https://go-review.googlesource.com/c/tools/+/165438
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-03-08 17:45:44 +00:00
Ian Cottrell
508f945e1a internal/lsp: change File.Read to a File.GetContent accessor
Like the previous change to the FIle interface, we treat Read as if it were an
accessor, we remember the content part but not the error part, and we may fill
it in asynchronously, so this change makes it explicit.
In the future we should probably trap the error in the read and push it back
through another channel though, it will be the root cause of later errors.

Change-Id: I3d374dd557178b4e8c5544813cd77f5c0faefe5b
Reviewed-on: https://go-review.googlesource.com/c/162403
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-02-14 04:36:41 +00:00
Ian Cottrell
69a2705782 internal/lsp: remove error return values from interface "field" accessors
we don't really use them, only generate them in cases where the failure is way more fundamental, and then also fail
to remember them for the next call to the same accessor. Better to not have them.

Change-Id: I0e8abeda688f5cc2a932ed95a80d89225c399f93
Reviewed-on: https://go-review.googlesource.com/c/162399
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-02-13 21:58:50 +00:00
Rebecca Stambler
90c8b4f75b internal/lsp: handle escaping URIs for files in the module cache
This change makes sure to handle escaped characters, for instance, files
in the module cache contain "@" in the path. Also, return errors when a
package is not found for a file.

Updates golang/go#30027

Change-Id: I6c4f6d0f30dde55701308b89785f02b671e81cc6
Reviewed-on: https://go-review.googlesource.com/c/161077
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Yasuhiro MATSUMOTO <mattn.jp@gmail.com>
2019-02-05 18:18:01 +00:00
Rebecca Stambler
51e363b66d internal/lsp: implement diff for computing text edits
Rather than replacing the whole file on gofmt or goimports, use the Myers
diff algorithm to compute diffs for a file. We send those back as text
edits.

Change-Id: I4f8cce5b27d51eae1911049ea002558a84cdf1bf
Reviewed-on: https://go-review.googlesource.com/c/158579
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-02-01 23:18:25 +00:00
Rebecca Stambler
85a09cd5ed internal/lsp: set file contents through the source.View, not File
Refactor code as a follow-up to
https://go-review.googlesource.com/c/tools/+/154742.
Also, change every instance of "source.URI()" to "fromProtocolURI", so
that we can add a better implementation of that later on (for Windows
support).

Change-Id: Ifa24ffd7e1aebf1f7d05df6f65742769ead0922f
Reviewed-on: https://go-review.googlesource.com/c/154741
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-21 19:33:31 +00:00
Rebecca Stambler
57eff0d8ac internal/lsp: add support for running goimports as a code action
This change adds support for goimports as a code action that can be run
on save. However, there do appear to be issues with the propagation of
the context.Only field of the CodeActionParams, so we treat every
codeAction as an organizeImports action - this should be fixed in the
next vscode-languageclient release
(https://github.com/Microsoft/vscode-languageserver-node/issues/442).

Change-Id: I64ca0034c393762248fde6521aba86ed9d41bf70
Reviewed-on: https://go-review.googlesource.com/c/154338
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-17 20:01:16 +00:00