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Alan Donovan 32e1cb7aed gopls/internal/lsp: clarify control around diagnostics 
This CL includes some clarifications while trying to
understand the performance of the initial workspace load
and analysis. No significant behavior changes.

Server.diagnose:
- Factor the four copies of the logic for dealing
  with diagnostics and errors.
- Make the ActivePackages blocking step explicit.
  Previously mod.Diagnostics would do this implicitly,
  making it look more expensive than it is.
Server.addFolders:
- eliminate TODO. The logic is not in fact fishy.
- use informative names and comments for WaitGroups.
- use a channel in place of a non-counting WaitGroup.

Also, give pkg a String method.

Change-Id: Ia3eff4e784fc04796b636a4635abdfe8ca4e7b5a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/445897
Reviewed-by: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
Run-TryBot: Alan Donovan <adonovan@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
 		2022-11-01 21:03:16 +00:00
benchmark/parse benchmark/parse: add unit test for String function 2019-12-16 21:43:19 +00:00
blog copyright: test that all files in the repo have copyright notices 2021-01-11 22:19:46 +00:00
cmd cmd/bundle: quote command-line arguments in output 2022-10-26 18:58:11 +00:00
container/intsets all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
copyright gopls: migrate internal/lsp to gopls/internal/lsp 2022-09-07 16:44:44 +00:00
cover cover: add function to parse profiles from an io.Reader 2021-10-05 03:23:35 +00:00
go gopls/internal/lsp/source/completion: fix panic in completion on *error 2022-11-01 16:24:04 +00:00
godoc godoc: fix some comments 2022-10-04 18:24:48 +00:00
gopls gopls/internal/lsp: clarify control around diagnostics 2022-11-01 21:03:16 +00:00
imports all: gofmt 2022-04-12 17:53:17 +00:00
internal Revert "internal/jsonrpc2_v2: initiate shutdown when the Writer breaks" 2022-11-01 16:02:58 +00:00
playground playground: remove /share registration, add Proxy 2021-02-25 15:03:53 +00:00
present all: fix a few function names on comments 2022-10-10 13:22:38 +00:00
refactor refactor/satisfy: fix visiting functions in the unsafe package 2022-10-17 12:57:23 +00:00
txtar all: gofmt 2022-04-12 17:53:17 +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
.prettierrc all: add a section on JS/CSS formatting to README 2020-05-28 15:31:34 +00:00
CONTRIBUTING.md CONTRIBUTING.md: remove note about not accepting Pull Requests 2018-03-14 18:02:17 +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: format install command 2022-10-12 14:51:54 +00:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
go.mod go.mod: update golang.org/x dependencies 2022-10-20 20:04:29 +00:00
go.sum go.mod: update golang.org/x dependencies 2022-10-20 20:04:29 +00:00

README.md

Go Tools

PkgGoDev

This repository provides the golang.org/x/tools module, comprising various tools and packages mostly for static analysis of Go programs, some of which are listed below. Use the "Go reference" link above for more information about any package.

It also contains the golang.org/x/tools/gopls module, whose root package is a language-server protocol (LSP) server for Go. An LSP server analyses the source code of a project and responds to requests from a wide range of editors such as VSCode and Vim, allowing them to support IDE-like functionality.

Selected commands:

  • cmd/goimports formats a Go program like go fmt and additionally inserts import statements for any packages required by the file after it is edited.
  • cmd/callgraph prints the call graph of a Go program.
  • cmd/digraph is a utility for manipulating directed graphs in textual notation.
  • cmd/stringer generates declarations (including a String method) for "enum" types.
  • cmd/toolstash is a utility to simplify working with multiple versions of the Go toolchain.

These commands may be fetched with a command such as

go install golang.org/x/tools/cmd/goimports@latest

Selected packages:

  • go/ssa provides a static single-assignment form (SSA) intermediate representation (IR) for Go programs, similar to a typical compiler, for use by analysis tools.

  • go/packages provides a simple interface for loading, parsing, and type checking a complete Go program from source code.

  • go/analysis provides a framework for modular static analysis of Go programs.

  • go/callgraph provides call graphs of Go programs using a variety of algorithms with different trade-offs.

  • go/ast/inspector provides an optimized means of traversing a Go parse tree for use in analysis tools.

  • go/cfg provides a simple control-flow graph (CFG) for a Go function.

  • go/expect reads Go source files used as test inputs and interprets special comments within them as queries or assertions for testing.

  • go/gcexportdata and go/gccgoexportdata read and write the binary files containing type information used by the standard and gccgo compilers.

  • go/types/objectpath provides a stable naming scheme for named entities ("objects") in the go/types API.

Numerous other packages provide more esoteric functionality.

Contributing

This repository uses Gerrit for code changes. To learn how to submit changes, 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.

JavaScript and CSS Formatting

This repository uses prettier to format JS and CSS files.

The version of prettier used is 1.18.2.

It is encouraged that all JS and CSS code be run through this before submitting a change. However, it is not a strict requirement enforced by CI.