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Robert Griesemer 6d70fb2e85 go/ast/astutil: add Apply, for rewriting Go ASTs 
This change implements an AST walker, Apply, with the capability
to perform various actions (including rewrites) during the AST
walk, in pre- and post-iteration order.

Ideally we would like to have this functionality in the std lib
(go/ast), but as this change contains significant new API, it
is better to first gain some experience with it in x/tools.

Credits: This is joint work of Josh Bleecher Snyder, Roger
Peppe, and myself (author of this CL). The code is based on
proposal golang/go#17108 which I had started, together with an
initial implementation. It was then reworked significantly by
Josh in golang.org/cl/55790, further refined by suggestions
from Roger (allocation reduction), and finally cleaned up a bit
by me (AST simplifications).

Fixes golang/go#17108.

Change-Id: I56d56b7f2bc5be2acfeb927f76aea7f264bb7b94
Reviewed-on: https://go-review.googlesource.com/77811
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
 		2017-11-16 01:30:56 +00:00
benchmark/parse benchmark/parse: fix cosmetic defect in error str. 2015-02-02 17:07:43 +00:00
blog blog/atom: support atom:link as in RFC4287 4.2.7 2017-02-04 21:42:09 +00:00
cmd cmd/stringer: use strconv instead of fmt 2017-11-14 15:22:39 +00:00
container/intsets x/tools/container/intsets: add LowerBound 2017-08-21 16:11:21 +00:00
cover cover: fixed broken error message 2016-03-08 18:20:19 +00:00
go go/ast/astutil: add Apply, for rewriting Go ASTs 2017-11-16 01:30:56 +00:00
godoc godoc: use "IsPredeclared" of go/doc 2017-11-15 18:22:28 +00:00
imports imports: prioritize closer packages 2017-11-13 21:23:40 +00:00
playground playground/socket: deflake test, remove sleep 2016-12-11 02:33:14 +00:00
present present: remove extraneous line 2017-09-15 04:02:03 +00:00
refactor refactor/rename: fix test failures in TestRewrites. 2017-11-06 20:20:52 +00:00
third_party cmd/heapview: dowgrade to customelements v0 2016-08-05 20:49:36 +00:00
.gitattributes tools: copying .gitattributes to all subrepositories (fixes windows build) 2014-12-23 06:32:51 +00:00
.gitignore dashboard: rearrange tree, in prep for packagification 2015-01-15 02:58:11 +00:00
AUTHORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
CONTRIBUTING.md doc: add CONTRIBUTING.md 2015-02-18 23:43:38 +00:00
CONTRIBUTORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
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
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00

README.md

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.