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Commit Graph

17 Commits

Author SHA1 Message Date
Matt T. Proud
c262de870b tools/cmd/vet: Sort checks list alphabetically.
The existing list of checks in doc.go has become somewhat unwieldy.
This commit is purely cosmetic and sorts the list alphabetically keyed
by the flag name.

Change-Id: Ibb56357f9d4667d199acc6637dc28f6e17903046
Reviewed-on: https://go-review.googlesource.com/14558
Reviewed-by: Rob Pike <r@golang.org>
2015-09-15 17:18:38 +00:00
Matt T. Proud
871b75fbfc tools/cmd/vet: Incorporate comments from r@.
This commit fixes a few defects from a25a8d567b:

(1.) Making the top-level vars in main consistent w.r.t. documentation
     formatting, and the-like.

(2.) Removing of one-use top-level is-test predicate.

(3.) Including documentation of what the validation does and when.

Change-Id: I19b34d25836bb2af865219d18600e1add78c3fd7
Reviewed-on: https://go-review.googlesource.com/14557
Reviewed-by: Rob Pike <r@golang.org>
2015-09-15 16:08:13 +00:00
Alan Donovan
4a08fb6fc3 cmd/vet: -unusedresult: report calls of pure functions in expression statements
Change-Id: Ib8b6eaecd56ae15c44fb8ac11c781244964428f1
Reviewed-on: https://go-review.googlesource.com/6661
Reviewed-by: David Symonds <dsymonds@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2015-04-06 21:44:23 +00:00
Rob Pike
ed1e7c5cf2 vet: fix documentation about recursive scanning
It used to do packages only when run by the go tool, but it was
fixed a while back to handle packages properly when doing a
directory walk. Remove the incorrect information from the
documentation.

Change-Id: I961340bb84e48474c94ee03bf88f9136492c0226
Reviewed-on: https://go-review.googlesource.com/7642
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-03-17 00:40:15 +00:00
David Symonds
24257c8cd2 tools: add import comments.
Change-Id: Idda6e64580432cb9a731e4ebf4005ee4ceb4202d
Reviewed-on: https://go-review.googlesource.com/1244
Reviewed-by: Andrew Gerrand <adg@golang.org>
2014-12-09 22:42:16 +00:00
Matt Jibson
59c8647562 go.tools/cmd/vet: detect suspicious shifts
LGTM=josharian, dsymonds, r
R=golang-codereviews, josharian, minux, dsymonds, dave, axwalk, adg, r
CC=golang-codereviews
https://golang.org/cl/134780043
2014-08-29 11:17:01 -07:00
Rob Pike
cd9959d796 go.tools/cmd/vet: validate calls to t.Log and t.Logf
Be careful not to complain about math.Log and cmplx.Log.
Seems worthwhile since t.Log and t.Logf are often written but
rarely executed.

Nothing new turned up in the standard library.

Fixes golang/go#8504.

LGTM=josharian, dsymonds
R=golang-codereviews, josharian, dsymonds
CC=golang-codereviews
https://golang.org/cl/130490043
2014-08-25 12:31:49 -07:00
Josh Bleecher Snyder
7da5f193b7 go.tools/cmd/vet: detect stupid boolean conditions
This CL introduces two vet checks. Statistics and code below are from a recent 50mb corpus of public code.

1. Check for redundant conjunctions and disjunctions. This check caught 26 instances, of which 20 were clearly copy/paste bugs and 6 appeared to be mere duplication. A typical example:

if xResolution < 0 || xResolution < 0 {
        panic("SetSize(): width < 0 || height < 0")
}

2. Check for expressions of the form 'x != c1 || x != c2' or 'x == c1 && x == c2', with c1 and c2 constant expressions. This check caught 16 instances, of which all were bugs. A typical example:

if rf.uri.Scheme != "http" || rf.uri.Scheme != "ftp" {
        rf.uri.Scheme = "file"
}

Fixes golang/go#7622.

LGTM=rsc, r
R=golang-codereviews, jscrockett01, r, gri, rsc
CC=golang-codereviews
https://golang.org/cl/98120043
2014-07-02 10:39:57 -07:00
Josh Bleecher Snyder
d46b792624 cmd/vet: check for use of json/xml struct tags with unexported fields
This is a common source of bugs, particularly for those new to Go. Running this on a corpus of public code flagged 114 instances.

This check may need to be updated once issue 7363 is resolved.

LGTM=r
R=golang-codereviews, r
CC=bradfitz, golang-codereviews
https://golang.org/cl/91010047
2014-06-13 18:44:31 -07:00
Rob Pike
4374c8910f go.tools/cmd/vet: clean up formatting of the package document
It was very ugly; a little tweaking helps godoc parse it better.
Also make unsafeptr.go not own the package doc (add a blank line)
and put one more sentence about that check into doc.go.

Fixes golang/go#7925.

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/98370044
2014-05-19 11:34:31 -07:00
Russ Cox
b752e9ffdf cmd/vet: diagnose use of unsafe.Pointer to convert integer to pointer
LGTM=r
R=r
CC=golang-codereviews
https://golang.org/cl/100470044
2014-05-15 15:32:51 -04:00
Rob Pike
6bd3206b1f go.tools/cmd/vet: allow checks to be disabled explicitly as well as set explicitly
Now we can say
        vet -printf=false
to disable the printf test but run all others.
Implemented by creating a tri-state boolean flag that records whether it has been
set explicitly; before this, -printf=false was not distinguishable from not having
mentioned the printf flag at all.

Fixes golang/go#7422.

LGTM=rsc
R=rsc
CC=golang-codereviews
https://golang.org/cl/72330043
2014-03-07 16:02:49 +11:00
Rob Pike
ee3eeefaa3 cmd/vet: check for nil result set in isStringer
Fixes golang/go#7149.

LGTM=gri
R=golang-codereviews, gri
CC=golang-codereviews
https://golang.org/cl/68260044
2014-02-24 11:39:42 -08:00
Rob Pike
cde4d316d2 go.tools/cmd/vet: docs: explain the command line interface better
How it handles packages vs. directories vs. files was not explained.

LGTM=rsc
R=golang-codereviews, gobot, rsc
CC=golang-codereviews
https://golang.org/cl/67150043
2014-02-24 10:44:02 -08:00
Andrew Gerrand
47596b4b81 go.tools/cmd/vet: add stable checks to doc.go
These are the simplest possible descriptions of each command.
They may be fleshed out later.

Fixes golang/go#7298.

LGTM=r
R=r
CC=golang-codereviews
https://golang.org/cl/61480044
2014-02-13 11:05:01 +11:00
Rob Pike
aecec2f502 go.tools/cmd/vet: the composite test is about keys, not tags
Fix the confusion.
No semantic change, just some renamings.

Fixes golang/go#6017.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/12394043
2013-08-03 12:19:59 +10:00
Rob Pike
01f8cd246d go.tools: add go/types, ssa, and cmd/vet
They will be deleted from their current homes once this has landed.
Changes made to import paths to make the code compile, and to find
errchk in the right place in cmd/vet's Makefile.
TODO in a later CL: tidy up vet.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/9495043
2013-05-17 13:20:39 -07:00