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The Go programming language
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Hana (Hyang-Ah) Kim 625332f3c5 internal/lsp/protocol: send responses for cancelled requests
LSP https://microsoft.github.io/language-server-protocol/specifications/specification-current/#cancelRequest
expects the server to send back the response even when the request is cancelled.

Gopls LSP protocol implements the cancellation using the context cancellation.
That is, upon a cancellation request from the client, the server calls the
corresponding canceller that cancels the context passed to the handler.
Reusing this cancelled context for the replyer is not safe because code in any layer
can decide to shortcircuit and skip sending the data back to the client.
E.g. https://cs.opensource.google/go/tools/+/master:internal/jsonrpc2/stream.go;l=63

This CL make sure to pass the detached context to the replier.

Alternative, or a better approach to avoid any unexpected side-effect of
using a detached context is to send out the response at the point of cancellation
with a separate context. But that requires more significant code change.

Testing is currently hard, but maybe doable once the current refactoring is
done. Test is left as a TODO.

Change-Id: I4611af00ad913e96b62c6b7180c6673b0465daf9
Reviewed-on: https://go-review.googlesource.com/c/tools/+/232300
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2020-05-07 15:26:07 +00:00
benchmark/parse benchmark/parse: add unit test for String function 2019-12-16 21:43:19 +00:00
blog blog: use serial comma in long author lists 2020-03-25 19:41:47 +00:00
cmd cmd/goimports: set correct permissions on Windows 2020-04-23 18:57:08 +00:00
container/intsets all: fix some staticcheck errors 2020-01-29 04:53:41 +00:00
cover cover: error on negative numbers in profiles 2020-01-15 21:23:19 +00:00
go go/types/objectpath: cache result of call to scope.Names 2020-05-05 02:31:15 +00:00
godoc godoc/static: update jquery.treeview to 1.4.2 2020-03-12 15:35:18 +00:00
gopls internal/lsp/cmd: partially revert "add a flag to disable telemetry" 2020-05-01 20:57:27 +00:00
imports internal: rationalize debug logging 2020-03-03 16:59:18 +00:00
internal internal/lsp/protocol: send responses for cancelled requests 2020-05-07 15:26:07 +00:00
playground playground/socket: handle multi-file present play snippets 2019-12-03 04:46:16 +00:00
present x/tools/present: point to instagram sted twitter for Renee French 2020-03-30 04:01:39 +00:00
refactor all: fix more typos 2019-09-11 15:13:14 +00:00
txtar txtar/archive: add unit test function for Format 2019-11-20 20:49:00 +00:00
.gitattributes tools: copying .gitattributes to all subrepositories (fixes windows build) 2014-12-23 06:32:51 +00:00
.gitignore .gitignore: roll back ".gitignore: ignore emacs backup files" 2018-02-13 00:43:28 +00:00
AUTHORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
CONTRIBUTING.md CONTRIBUTING.md: remove note about not accepting Pull Requests 2018-03-14 18:02:17 +00:00
CONTRIBUTORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
go.mod go.mod: upgrade goldmark dependency to fix js/wasm build 2020-03-31 19:25:49 +00:00
go.sum go.mod: upgrade goldmark dependency to fix js/wasm build 2020-03-31 19:25:49 +00:00
LICENSE LICENSE: add 2012-03-17 15:20:58 +11:00
PATENTS go.empty: add PATENTS file to the subrepo. 2012-04-16 11:24:04 +10:00
README.md README: switch to Markdown and add links 2017-09-27 05:40:07 +00:00

Go Tools

This subrepository holds the source for various packages and tools that support the Go programming language.

Some of the tools, godoc and vet for example, are included in binary Go distributions.

Others, including the Go guru and the test coverage tool, can be fetched with go get.

Packages include a type-checker for Go and an implementation of the Static Single Assignment form (SSA) representation for Go programs.

Download/Install

The easiest way to install is to run go get -u golang.org/x/tools/.... You can also manually git clone the repository to $GOPATH/src/golang.org/x/tools.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the tools repository is located at https://github.com/golang/go/issues. Prefix your issue with "x/tools/(your subdir):" in the subject line, so it is easy to find.