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Commit Graph

64 Commits

Author SHA1 Message Date
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
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
Andzej Maciusovic
7414d4c1f7 internal/lsp: rank types higher when completing in return of a function
Completion now ranks type names higher for func receiver, type params and type results (e.g. func (<>) foo(<>) (<>) {}).

Fixes golang/go#29152

Change-Id: Icdd18b1b344c1cd617a4f45a7b071e53c1345478
GitHub-Last-Rev: e6acb1f2d2a7e571ffcecc500e407fdefd118fed
GitHub-Pull-Request: golang/tools#73
Reviewed-on: https://go-review.googlesource.com/c/159797
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-02-02 23:51:57 +00:00
Andzej Maciusovic
2d2e1b1749 internal/lsp: do not complete inside comments in functions
The previous change (https://go-review.googlesource.com/c/tools/+/157678) only stopped completion in comments in global scope. This change prevents completions results from being sent for comments inside of functions.

Fixes golang/go#29370

Change-Id: I2b43ae2942c6ce7376d2a5f88c40e6ac45c2b773
GitHub-Last-Rev: bc4aac1370aa5758941cdfae63290f061a55e204
GitHub-Pull-Request: golang/tools#71
Reviewed-on: https://go-review.googlesource.com/c/158538
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-01-22 18:08:10 +00:00
Andzej Maciusovic
f94e9803bf internal/lsp: do not complete inside comments
Fixes golang/go#29370

Change-Id: I160b00f95fe44b2d87f66dc5842bb3a124e0292c
GitHub-Last-Rev: 924c13bc86f947ca01b291e7cc0d171164c2c856
GitHub-Pull-Request: golang/tools#69
Reviewed-on: https://go-review.googlesource.com/c/157678
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2019-01-16 17:22:44 +00:00
Rebecca Stambler
2e4132e53b internal/lsp: add a test for completion of builtin types and functions
Change-Id: I7df2cfebbf2c44d189066a6d16770c753f7bf1d4
Reviewed-on: https://go-review.googlesource.com/c/158020
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2019-01-16 00:24:28 +00:00
Rebecca Stambler
3576414c54 internal/lsp: refactor source package to use an interface
This change separates a cache package out of the
golang.org/x/tools/internal/lsp/source package. The source package now
uses an interface instead a File struct, which will allow it be reused
more easily. The cache package contains the View and File structs now.

Change-Id: Ia2114e9dafc5214c8b21bceba3adae1c36b9799d
Reviewed-on: https://go-review.googlesource.com/c/152798
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-05 22:49:35 +00:00
Rebecca Stambler
62e1d13d53 internal/lsp: add basic support for hover
This change adds a very simple implementation of hovering. It doesn't
show any documentation, just the object string for the given object.

Also, this change sets the prefix for composite literals, making sure we
don't insert duplicate text.

Change-Id: Ib706ec821a9e459a6c61c10f5dd28d1798944fa3
Reviewed-on: https://go-review.googlesource.com/c/152599
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-05 22:25:06 +00:00
Rebecca Stambler
36a8f0a386 internal/lsp: sort completions according to rank
The LSP specification doesn't have a Score field, so we must provide
sortText to the protocol in order to maintain the correct order.

Change-Id: I075849f520c21a0465dfb2060c598d8bae5f876b
Reviewed-on: https://go-review.googlesource.com/c/151237
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-27 19:33:00 +00:00
Rebecca Stambler
b5f2cae84d internal/lsp: fix a bug stopped package names from being printed
Also, trigger signature help on completion of a function (the "(" as a
trigger character doesn't work if it's part of a completion).

Change-Id: I952cb875fa72a741d7952178f85e20f9efa3ebff
Reviewed-on: https://go-review.googlesource.com/c/150638
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-20 23:48:46 +00:00
Rebecca Stambler
fc4f04983f internal/lsp: add more testdata for completion and diagnostics
Change-Id: I2a73e51b60f76a2af0f8ff4d34220b551e0cd378
Reviewed-on: https://go-review.googlesource.com/c/150041
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-20 06:06:34 +00:00
Rebecca Stambler
a8570e12b6 internal/lsp: use bytes.Buffer instead of strings.Builder
x/tools only supports Go 1.10 and Go 1.11, but it's such a simple fix to
support 1.9, so change from strings.Builder to bytes.Buffer.

Change-Id: Ie37d6c7da7ce7dbbd4e9ec933e1eff3304142a59
Reviewed-on: https://go-review.googlesource.com/c/149178
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-13 03:38:37 +00:00
Rebecca Stambler
806e1cfd89 internal/lsp: add a preliminary test for completion
Use the packagestest framework to test completion. Add support for a
slice of token.Position to packagestest to support this.

Change-Id: Ie5ddece4446a3c74419727461a77faa3788cb040
Reviewed-on: https://go-review.googlesource.com/c/148197
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
2018-11-12 19:56:38 +00:00
Rebecca Stambler
c26e340d2f internal/lsp: refactor completion and move into source directory
The completion function belongs in internal/lsp/source, so move it
there. Some small refactoring of completion, by moving each type of
completion into helper functions that append to the list of results.

Change-Id: I8599092906609591d499183657fe2d21d1f74df1
Reviewed-on: https://go-review.googlesource.com/c/148397
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-08 16:15:53 +00:00