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tools
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[mirror] Go Tools
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Alan Donovan 2bd7949007 x/tools: don't parse CombinedOutput 
This change fixes a bug in internal/testenv in which it would
gather the combined output (2>&1) of the "go env" command and
parse it as an environment variable. However, certain environment
variables (e.g. GODEBUG) cause "go env" to log to stderr,
so that the parser reads garbage. Use Output instead.

Also, preemptively fix a number of similar occurrences in
x/tools. CombinedOutput should be used only when the whole
output is ultimately sent to stderr or a log for human eyes,
or for tests that look for specific error messages in the
unstructured combined log. In those cases, the scope of
the 'out' variable can be reduced to avoid temptation.

Fixes golang/go#65729

Change-Id: Ifc0fd494fcde0e339bb5283e39c7696a34f5a699

.

Change-Id: I6eadd0e76498dc5f4d91e0904af2d52e610df683
Reviewed-on: https://go-review.googlesource.com/c/tools/+/564516
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Robert Findley <rfindley@google.com>
 		2024-02-15 20:20:59 +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/deadcode: audit for types.Alias safety 2024-02-06 20:28:53 +00:00
container/intsets all: remove redundant type conversion 2022-09-07 17:33:19 +00:00
copyright gopls: manual tweaks after the lsp/ -> . rename 2024-01-24 00:49:43 +00:00
cover cover: eliminate an unnecessary fsync in TestParseProfiles 2023-05-17 15:38:17 +00:00
go x/tools: don't parse CombinedOutput 2024-02-15 20:20:59 +00:00
godoc internal/typeparams: eliminate type aliases 2023-12-12 19:05:56 +00:00
gopls gopls/internal/cache: remove parsego.* aliases 2024-02-15 17:22:30 +00:00
imports tools: replace references to obsolete package ioutils 2023-09-12 20:13:37 +00:00
internal x/tools: don't parse CombinedOutput 2024-02-15 20:20:59 +00:00
playground all: replace all usages of golang.org/x/sys/execabs with os/exec 2023-11-09 20:10:26 +00:00
present x/tools: don't parse CombinedOutput 2024-02-15 20:20:59 +00:00
refactor x/tools: don't parse CombinedOutput 2024-02-15 20:20:59 +00:00
txtar tools: replace references to obsolete package ioutils 2023-09-12 20:13:37 +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 go/vcs: delete 2023-06-26 18:28:02 +00:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
go.mod gopls: update telemetry 2024-02-09 17:21:11 +00:00
go.sum gopls: update telemetry 2024-02-09 17:21:11 +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.