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Robert Findley 87f47bbfb4 gopls/internal/regtest/bench: refactor and improve benchmarks 
Significantly refactor the gopls benchmarks to turn them into proper
benchmarks, eliminate the need for passing flags, and allow running them
on external gopls processes so that they may be used to test older gopls
versions.

Doing this required decoupling the benchmarks themselves from the
regtest.Runner. Instead, they just create their own regtest.Env to use
for scripting operations. In order to facilitate this, I tried to
redefine Env as a convenience wrapper around other primitives.

By using a separate environment setup for benchmarks, I was able to
eliminate a lot of regtest.Options that existed only to prevent the
regtest runner from adding instrumentation that would affect
benchmarking. This also helped clean up Runner.Run somewhat, though it
is still too complicated.

Also eliminate the unused AnyDiagnosticAtCurrentVersion, and make a few
other TODOs about future cleanup.

For golang/go#53992
For golang/go#53538

Change-Id: Idbf923178d4256900c3c05bc8999c0c9839a3c07
Reviewed-on: https://go-review.googlesource.com/c/tools/+/419988
gopls-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Peter Weinberger <pjw@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
 		2022-08-04 14:58:59 +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/auth/cookieauth: delete unreachable os.Exit 2022-07-25 18:11:01 +00:00
container/intsets all: gofmt 2022-04-12 17:53:17 +00:00
copyright all: gofmt 2022-04-12 17:53:17 +00:00
cover cover: add function to parse profiles from an io.Reader 2021-10-05 03:23:35 +00:00
go go/callgraph/vta: do not assume that recovers cannot be deferred 2022-08-03 21:02:27 +00:00
godoc godoc: support go1.19 doc comment syntax 2022-07-19 22:18:38 +00:00
gopls gopls/internal/regtest/bench: refactor and improve benchmarks 2022-08-04 14:58:59 +00:00
imports all: gofmt 2022-04-12 17:53:17 +00:00
internal gopls/internal/regtest/bench: refactor and improve benchmarks 2022-08-04 14:58:59 +00:00
playground playground: remove /share registration, add Proxy 2021-02-25 15:03:53 +00:00
present all: gofmt 2022-04-12 17:53:17 +00:00
refactor all: gofmt some recent file changes 2022-06-27 19:42:14 +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: restructure and update 2022-05-04 14:51:12 +00:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
go.mod all: update dependencies 2022-07-26 14:37:02 +00:00
go.sum all: update dependencies 2022-07-26 14:37:02 +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.