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go/internal/lsp
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Alan Donovan 63dfc2d3a9 internal/lsp/cache: two minor optimizations 
1. Avoid unnecessary intermediate map updates.
2. Avoid accumulating defers in a loop when the control is simple.

Yield: -10% CPU, -37% allocs.

Typical results:

$ go test -v ./gopls/internal/regtest/bench -run=TestBenchmarkDidChange -didchange_dir=$HOME/w/kubernetes -didchange_file=pkg/util/hash/hash.go
Before:
BenchmarkStatistics	     100	  25932206 ns/op	11684109 B/op	   75458 allocs/op
After:
BenchmarkStatistics	     100	  23294195 ns/op	11293472 B/op	   47299 allocs/op

Also, move profiling logic outside the loop so that later runs
don't overwrite earlier runs. (This doesn't appear to be a problem
in practice, presumably because the last run is the big one.)

Updates golang/go#45686

Change-Id: I538ca6bb88cc18f1eefe35d2db29a62e5190280e
Reviewed-on: https://go-review.googlesource.com/c/tools/+/410697
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
 		2022-06-06 21:20:40 +00:00
..
analysis internal: remove unneeded FileSets 2022-06-06 20:47:10 +00:00
browser all: replace all usages of os/exec with golang.org/x/sys/execabs 2021-01-19 22:25:03 +00:00
bug internal/lsp: add missing bug reporting, and panic during marker tests 2022-05-31 14:14:38 +00:00
cache internal/lsp/cache: two minor optimizations 2022-06-06 21:20:40 +00:00
cmd internal/lsp: factor out column mapper construction from content 2022-06-01 19:19:49 +00:00
command gopls/internal/vulncheck: copy logic of govulncheck -html 2022-05-12 21:17:31 +00:00
debug internal/lsp/bug: add a package for bug reporting 2022-05-16 14:45:30 +00:00
diff internal/span: eliminate TokenConverter 2022-06-01 19:19:15 +00:00
fake gopls: remove usage of golang.org/x/xerrors 2022-04-20 15:33:22 +00:00
fuzzy gopls, internal/lsp: gofmt 2022-04-12 17:41:31 +00:00
helper internal/lsp/protocol: update LSP definitions and stubs 2021-10-05 16:44:45 +00:00
lsppos internal/lsp: factor out go/token wrapper into a safetoken package 2022-05-09 17:03:37 +00:00
lsprpc gopls: remove usage of golang.org/x/xerrors 2022-04-20 15:33:22 +00:00
mod internal/lsp/mod: fix broken assumptions about file base 2022-06-01 22:04:06 +00:00
progress internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
protocol internal/lsp/mod: fix broken assumptions about file base 2022-06-01 22:04:06 +00:00
regtest internal/lsp/regtest: only print RPC logs if asked 2022-05-17 21:46:20 +00:00
safetoken internal/span: eliminate TokenConverter 2022-06-01 19:19:15 +00:00
snippet lsp/completion: fix literal completions with type params 2022-04-26 02:30:39 +00:00
source internal: remove unneeded FileSets 2022-06-06 20:47:10 +00:00
template internal/lsp: fix source.CompareDiagnostic asymmetry 2022-05-11 17:43:03 +00:00
testdata internal/lsp/analysis/stubmethods: recognize *ast.CallExpr 2022-05-17 17:04:34 +00:00
tests internal/lsp: factor out column mapper construction from content 2022-06-01 19:19:49 +00:00
work internal/lsp/source: eliminate ColumnMapper.PointSpan in favor of Pos 2022-06-01 19:19:59 +00:00
README.md internal/lsp: add READMEs that describe tests, how to run tests 2020-12-03 17:03:53 +00:00
call_hierarchy.go internal/lsp: release resources for call hierarchy file requests 2020-08-07 21:04:51 +00:00
code_action.go gopls: remove usage of golang.org/x/xerrors 2022-04-20 15:33:22 +00:00
code_lens.go internal/lsp: honor the file kind provided by clients for overlays 2022-01-13 20:54:45 +00:00
command.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
completion.go internal/lsp/source: remove workaround for newline terminated files 2022-06-01 15:40:59 +00:00
completion_test.go internal/lsp/completion: move postfix completions behind option 2021-03-29 18:55:49 +00:00
debounce.go internal/lsp: adopt bcmills' suggestion for an improved debouncer API 2021-07-13 16:40:23 +00:00
debounce_test.go internal/lsp: adopt bcmills' suggestion for an improved debouncer API 2021-07-13 16:40:23 +00:00
definition.go internal/lsp: use the correct converter for mapped range offsets 2022-06-01 15:32:54 +00:00
diagnostics.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
folding_range.go all: add copyright notices to files that are missing them 2021-01-06 17:23:47 +00:00
format.go internal/lsp: add support for formatting go.work files 2022-02-15 17:15:32 +00:00
general.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
highlight.go internal/lsp: honor the file kind provided by clients for overlays 2022-01-13 20:54:45 +00:00
hover.go internal/lsp: add hover for go.work use statements 2022-03-04 19:55:36 +00:00
implementation.go internal/lsp/cache: ref-count snapshots 2020-08-03 22:08:54 +00:00
link.go internal/span: eliminate TokenConverter 2022-06-01 19:19:15 +00:00
lsp_test.go internal/lsp: factor out column mapper construction from content 2022-06-01 19:19:49 +00:00
references.go internal/lsp: honor the file kind provided by clients for overlays 2022-01-13 20:54:45 +00:00
rename.go internal/lsp: use placeholders with prepare rename 2022-02-15 00:29:01 +00:00
reset_golden.sh
…
semantic.go internal/lsp/mod: fix broken assumptions about file base 2022-06-01 22:04:06 +00:00
server.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
server_gen.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
signature_help.go internal/lsp: update to latest version of LSP protocol 2021-02-02 11:32:59 +00:00
symbols.go internal/lsp: honor the file kind provided by clients for overlays 2022-01-13 20:54:45 +00:00
text_synchronization.go internal/lsp/progress: detach context for all progress notifications 2022-06-02 20:26:04 +00:00
workspace.go gopls: remove usage of golang.org/x/xerrors 2022-04-20 15:33:22 +00:00
workspace_symbol.go internal/lsp/source: add a new symbolStyle configuration option 2020-06-26 17:13:37 +00:00

README.md

lsp

internal/lsp provides much of the Language Server Protocol (lsp) implementation for gopls.

Documentation for users and contributors can be found in the gopls/doc directory.