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Commit Graph

2796 Commits

Author SHA1 Message Date
Rebecca Stambler
85346a3911 cmd/golsp: enable logging to a default location
Add a default "auto" value to the "--logfile" flag that allows logs to be
written to a default location.

Change-Id: I1952ad2622b824795906c6b8183b58f88c35fb62
Reviewed-on: https://go-review.googlesource.com/c/153197
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-10 17:49:56 +00:00
Michael Matloob
e00c0697c2 go/internal/packagesdriver: expose function to return sizes
Change-Id: Ifc26abd280607401c8995b6b41fc0fd8ca29e7eb
Reviewed-on: https://go-review.googlesource.com/c/153199
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-10 15:05:41 +00:00
Ian Cottrell
4c874b978a go/packages/packagestest: allow tests to also specify overlay contents
This is needed to write the more advanced test cases for editor integrated
tools.
The expectation system also uses the overlay rather than the file if it is
supplied.

Change-Id: I8fd21f4efe5ac5869fa6e25d3cd0d5096051e5e5
Reviewed-on: https://go-review.googlesource.com/c/153240
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-12-07 22:22:22 +00:00
Rebecca Stambler
8634b1ecd3 internal/lsp: improve handling of code completion snippets
A few minor fixes: check that the insert text has the expected prefix
before removing it, use a bytes.Buffer to build up snippets, and check
that functions have parentheses in their insert text before trimming
them.

Change-Id: Iaeaf6fda25d6b0a375460b975188486685be1061
Reviewed-on: https://go-review.googlesource.com/c/152978
Reviewed-by: Ingo Oeser <nightlyone@googlemail.com>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-07 19:59:48 +00:00
Ian Cottrell
8bc39b9880 go/packages: an empty overlay does not force source mode
we check length of the map, and a non empty map forces source mode.

Change-Id: Id314ad87b96d9154198122586fd8672a70c5ca95
Reviewed-on: https://go-review.googlesource.com/c/153198
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-07 18:38:36 +00:00
Michael Matloob
bcd4e47d02 go/packages: check for containing files after overlay is processed
files specified in file= queries will now also be checked for in overlay
packages.

Fixes golang/go#29048

Change-Id: I096d02c3777e6c7decedfcb97c0d011ce9b47b28
Reviewed-on: https://go-review.googlesource.com/c/152797
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-06 19:48:17 +00:00
Rebecca Stambler
3576414c54 internal/lsp: refactor source package to use an interface
This change separates a cache package out of the
golang.org/x/tools/internal/lsp/source package. The source package now
uses an interface instead a File struct, which will allow it be reused
more easily. The cache package contains the View and File structs now.

Change-Id: Ia2114e9dafc5214c8b21bceba3adae1c36b9799d
Reviewed-on: https://go-review.googlesource.com/c/152798
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-05 22:49:35 +00:00
Rebecca Stambler
62e1d13d53 internal/lsp: add basic support for hover
This change adds a very simple implementation of hovering. It doesn't
show any documentation, just the object string for the given object.

Also, this change sets the prefix for composite literals, making sure we
don't insert duplicate text.

Change-Id: Ib706ec821a9e459a6c61c10f5dd28d1798944fa3
Reviewed-on: https://go-review.googlesource.com/c/152599
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-05 22:25:06 +00:00
Alan Donovan
22934f0fdb go/...: use recommended issue tracker URLs
Change-Id: I249de6aad723f4c2c49dc028995f4f6d1fcc54fd
Reviewed-on: https://go-review.googlesource.com/c/152598
Run-TryBot: Alan Donovan <adonovan@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-12-05 01:41:16 +00:00
Than McIntosh
555fafe5a2 go/internal/gccgoimporter: update package to match std lib version
This CL updates the importer to match the original code in the std lib
but for the necessary changes to make the code work in x/tools and
with older versions of the std lib.

Notably, it brings over changes from:

       https://go-review.googlesource.com/c/152378

Change-Id: Icaa05303a05a226c710b5923d8574f255651fe47
Reviewed-on: https://go-review.googlesource.com/c/152577
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-05 00:58:08 +00:00
Rebecca Stambler
3832e276fb internal/lsp: implement type definitions
Extend definition tests to add typdef test.

Change-Id: Ibad988ae68f91d18f2c6b4739d758a536172fb35
Reviewed-on: https://go-review.googlesource.com/c/152239
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-12-04 18:51:09 +00:00
Alan Donovan
65c3061cc9 go/analysis: remove "experimental" warning
The interface is now stable.

Change-Id: I7dc3feb70131cddb003f9320272a0fbd9b314048
Reviewed-on: https://go-review.googlesource.com/c/152597
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-04 18:38:27 +00:00
Alan Donovan
47a17e0312 go/analysis/unitchecker: use importer.ForCompiler under go1.12
importer.For does not populate the caller's token.FileSet
leading to spurious position information in diagnostics.

This change is the upstream fix for
https://go-review.googlesource.com/c/go/+/152258.

Fixes golang/go#28995

Change-Id: I9307d4f1f25c2b0877558426d4d71b3f1df99505
Reviewed-on: https://go-review.googlesource.com/c/152578
Reviewed-by: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-12-04 18:22:59 +00:00
Daniel Martí
e5f3ab76ea go/analysis: fix more printf pointer bugs
The first issue is that %b and %o can print pointers, but printVerbs
didn't reflect that:

	The %b, %d, %o, %x and %X verbs also work with pointers,
	formatting the value exactly as if it were an integer.

The second issue is that arrays can never be printed as pointers. This
was previously reported as part of #27672.

The third issue is that only %p can print all slices, maps, and
functions as if they were pointers. This differs from verbs like %b or
%o, which can't print these types as pointers.

Fix all of the issues above, and add extensive test cases covering all
the combinations. Verified all of them with an executed program. The
amount of test cases is perhaps overkill, but this is not the first time
we've gotten the printf pointer logic wrong.

Updates #27672.
Fixes #28858.

Change-Id: I62eb79d505fd1e250a16b90bda3c68b702f35a29
Reviewed-on: https://go-review.googlesource.com/c/149979
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-12-03 21:00:56 +00:00
Ian Lance Taylor
99b2a93e1f go/analysis/unitchecker: improve error message for go tool vet
Previously running "go tool vet" said

vet: invalid command: want .cfg file (this reduced version of vet is
intended to be run only by the 'go vet' command)

With this change it says:

vet: invoking "go tool vet" directly is unsupported; use "go vet"

Updates golang/go#28869

Change-Id: I603ab2f75bb52d860e5cd7466e89d051dfbf3f08
Reviewed-on: https://go-review.googlesource.com/c/152217
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-12-03 20:10:58 +00:00
Heschi Kreinick
ee45598d2f imports: create named imports for name/path mismatches (again)
For clarity and performance reasons, we want the fast path of goimports
to be purely syntactic. Packages whose import paths don't match their
package names make this harder. Before this CL, we parsed each imported
package to get its real package name. Now, we make named imports for
such packages, and on subsequent runs we don't have to do the extra
work.

A package name matches its import path if the name is the last segment
of the path, or the next-to-last before a version suffix vNN. gopkg.in
style .vNN suffixes are considered mismatching.

The previous attempt (CL 145699) failed because I assumed we'd be able
to find all packages from scratch. That's not true if the import path is
completely unrelated to the package name. To avoid that problem, rather
than removing and re-adding mismatched imports, we just literally add
names to them.

Fixes golang/go#28428

Change-Id: I93bd820f5956162ae9c99afa73bdcfc570a2e7b4
Reviewed-on: https://go-review.googlesource.com/c/152000
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-03 18:35:04 +00:00
Heschi Kreinick
5bbcdc1565 imports: redesign fixImports
Redesign fixImports to have a clearer workflow, and hopefully create
clear places to plug in go/packages. This change is mostly
performance/functionality neutral, but does clean up some corner cases.

The new flow centers around the pass type, which encapsulates the
process of loading information about the current code, adding possible
new imports, and trying to apply them. I'm hoping that it's easy to
understand what's happening just by reading fixImports, and that new
sources of information (e.g. a network service) fit well into that flow.

Where possible, I left the functions near where they were extracted in
hopes of making review easier, but it's probably not going to be easy.
Sorry. I might move them into a more reasonable order in a followup CL.

Notable modifications:
- The stdlib cache is restructured to match pass' internal storage.
- Sibling imports with conflicting names are considered.
- Package name lookups are batched, hopefully making it easier to plug
in go/packages.

Questions that might be worth answering:
- Should findImportGoPath really scan $GOROOT? Unless the user is working
on a development copy, it's totally redundant with the cache.
- What is the best way to combine candidates from multiple sources?
Right now the first one wins, and findStdlibCandidates relies on that
to get crypto/rand ahead of math/rand.
- In the third pass, should it assume sibling imports or should it
actually go load the exports? It didn't load them before, but that seems
arbitrary.

Change-Id: Ie4ad0b69bfbe9b16883f2b0517b1278575c9f540
Reviewed-on: https://go-review.googlesource.com/c/150339
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-12-03 18:26:12 +00:00
Brad Fitzpatrick
d0ca3933b7 cmd/bundle: change the behavior of the -underscore flag
It used to rewrite golang.org/x/* imports to golang_org/x/*.

But https://golang.org/cl/147443 renamed golang_org/x to internal/x,
which broke the ability to run "go generate" in net/http, which runs
this command.

Given that net/http (and Go itself) is the only caller of cmd/bundle
or the -underscore flag, repurpose it to instead rewrite the
golang.org/x imports to internal/x, like CL 147443. But we keep its
name out of laziness and to minimize the number of cross-repo changes
needed.

Change-Id: I310ce8b45812a26c8b3522eaf407fffff138b1be
Reviewed-on: https://go-review.googlesource.com/c/152097
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2018-12-01 03:58:26 +00:00
Than McIntosh
e51e3523bf go/internal/gccgoimporter: update package to match std lib version
This CL updates the importer to match the original code in the std lib
but for the necessary changes to make the code work in x/tools and
with older versions of the std lib.

Notably, it brings over changes from:

   https://go-review.googlesource.com/c/152078
   https://go-review.googlesource.com/c/152077
   https://golang.org/cl/151997
   https://golang.org/cl/151557
   https://golang.org/cl/149957

including test fixes (we want tests to run when gccgo is available,
not just when all go tools are gccgo-based), bug fixes (primarily
related to aliases), performance enhancements, and new code to read
the V3 export data emitted by the most recent gccgo.

Change-Id: I2d34bace23769e62795599b93db8295169076594
Reviewed-on: https://go-review.googlesource.com/c/151717
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2018-11-30 22:34:53 +00:00
Michael Matloob
34bb05f9d8 go/packages: add support to overlays for unwritten files to existing packages
This support is not perfect, but should produce more accurate results than
the previous behavior, which is to silently drop those files.

Change-Id: Ia00c042bf303e9ec0fb1cbd579c0fccb29073de0
Reviewed-on: https://go-review.googlesource.com/c/151999
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-30 21:54:54 +00:00
Ian Cottrell
895048a75e go/expect: rewrite the expectation parser
The expectation langauge is LL(1) but the scanner does not support true
lookahead
This change adds a true LL(1) token stream and rewrites the parser in terms of
it.
Also clean up the error handling and use the behaviour to fix all the broken
edge cases, and then change the tests to cover the now correct behaviour.

Change-Id: If3d602cda490ed2f4732efce400eb8eabce8a8ec
Reviewed-on: https://go-review.googlesource.com/c/151998
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-30 19:57:46 +00:00
Andrew Stribblehill
1c3d964395 cmd/goimports: update Emacs install instructions
When I tried to use the Emacs instructions, I found there was no go-mode-autoloads available. Searching, I found: https://github.com/dominikh/go-mode.el/issues/222

Removing the (require) line solved my problem.

I don't know what the add-to-list invocation was supposed to do, so I propose removing it too.

Change-Id: I027654dd2c634f0747dcefee71f413866049a608
GitHub-Last-Rev: 7d43dabf6a46210eaaa849900c13cd52001878cb
GitHub-Pull-Request: golang/tools#57
Reviewed-on: https://go-review.googlesource.com/c/151680
Reviewed-by: Dominik Honnef <dominik@honnef.co>
2018-11-30 05:20:23 +00:00
Ian Cottrell
e015b91f26 go/expect: allow multi-line expectations
This allows for multi-line comments where a new line is allowed between
expectations.
It also allows trailing new lines and commas in expectation lists.

Change-Id: I714f8ad483a0238281f26ceb74ce9e73d922af69
Reviewed-on: https://go-review.googlesource.com/c/151718
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-29 22:11:41 +00:00
Michael Matloob
c5b00d9557 go/packages: fix build breakage caused by math/bits to unsafe dep
Our tests compare import graphs from go/packages to expected graphs,
and one of the test cases imports math/bits. But in tip math/bits
picked up a dependency on unsafe, which means the expected graph
is different when run against a Go version >= go1.11. Remove that edge
before comparing against the expected graph to work around the breakage.

Change-Id: Ic586a75ba530741d251df9f87d0817a8e37d92ea
Reviewed-on: https://go-review.googlesource.com/c/151657
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-28 22:57:27 +00:00
Ian Cottrell
e782529d0d go/packages/packagestest: allow expectations to have *regexp.Regexp and interface{} parameters
Change-Id: I86312ae2f30ba04290e9b7a001e0284439f4bfe6
Reviewed-on: https://go-review.googlesource.com/c/151346
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-27 23:25:45 +00:00
Austin Clements
b4e97c0ed8 cmd/stress: prefix logs with start date/time
Currently, stress logs are named "/tmp/go-stress-" plus a random
number. This makes it really annoying to tease apart failures from
different stress runs.

This CL changes the default prefix to

  "/tmp/go-stress-<ISO 8601 date/time>-<random number>"

where the date/time part is when the stress command started.  This
naming clusters logs by stress invocation, making it easy to tease
apart invocations, even if there are multiple stresses running
concurrently or they are run back-to-back.

This also provides a flag to override this prefix.

Change-Id: I043e5ee7168ba6db4e2355e39b147071edbc6864
Reviewed-on: https://go-review.googlesource.com/c/150047
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-11-27 19:52:27 +00:00
Rebecca Stambler
36a8f0a386 internal/lsp: sort completions according to rank
The LSP specification doesn't have a Score field, so we must provide
sortText to the protocol in order to maintain the correct order.

Change-Id: I075849f520c21a0465dfb2060c598d8bae5f876b
Reviewed-on: https://go-review.googlesource.com/c/151237
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-27 19:33:00 +00:00
Yury Smolsky
04b5d21e00 cmd/gorename: move gorename TODOs to a comment in the code
This CL moves gorename TODOs from -help output
to a comment in the code.

Fixes golang/go#25824

Change-Id: I60e843804ebf1e374882ea3424e4ab749d038c1f
Reviewed-on: https://go-review.googlesource.com/c/150937
Run-TryBot: Yury Smolsky <yury@smolsky.by>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-11-22 21:37:34 +00:00
Michael Matloob
91f80e683c go/packages: use absolute path of dir in call to go list for file= query
When running go list for a file= query, the go/packages code previously ran "go list ." command in the directory of the provided file. This was necessary for compatibility with the fallback, but caused problems when running file= queries for files in the module cache. We now use absolute directory paths (supported in Go >=1.11) in the non-fallback case and retain the previous behavior in the fallback case.

Change-Id: I3a9feaaeda12e068ec3d510b5f78437482c65b4c
Reviewed-on: https://go-review.googlesource.com/c/148199
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-21 19:39:51 +00:00
Ian Cottrell
72292f0c83 go/packages/packagestest: adds a benchmark version of TestAll
This is needed because testing.TB does not have a "Run" method for sub
tests, and the signature of the function it takes needs to match the
testing parameter.

Change-Id: I9201dd75891ed1bda300a4247fe7eac1e25bd30d
Reviewed-on: https://go-review.googlesource.com/c/150857
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-21 19:29:16 +00:00
Michael Matloob
ff0519d4cf go/packages: change driver communication mechanism
Pass in parameters to the driver in stdin rather than through argv.
This allows us to more easily route parameters to the driver and add
more parameters without breaking users. The driver doesn't need to
have the same interface as go list, because it's unlikely the driver interface
will converge with the go list interface.

We still pass in the query "words" to the driver in the argv, because
that's as good a place as any, but there's no "list" command.

Question: should we add a "command" option to the driverRequest struct?

Change-Id: Ifdbb3f84b6bfd04259f5ab63e756341d7f69de9b
Reviewed-on: https://go-review.googlesource.com/c/150337
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-21 18:20:56 +00:00
Rebecca Stambler
b5f2cae84d internal/lsp: fix a bug stopped package names from being printed
Also, trigger signature help on completion of a function (the "(" as a
trigger character doesn't work if it's part of a completion).

Change-Id: I952cb875fa72a741d7952178f85e20f9efa3ebff
Reviewed-on: https://go-review.googlesource.com/c/150638
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-20 23:48:46 +00:00
Rebecca Stambler
d5eafb537d internal/lsp: add InsertText to completions
If signature help is enabled, we should not offer parameter suggestions.
If signature help is not enabled, the user should be able to tab
through parameter completions.

Change-Id: I10990ef4aefb306ddbf51ed14cc1110065eba655
Reviewed-on: https://go-review.googlesource.com/c/150637
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-20 22:45:09 +00:00
Dima
9c8bd463e3 cmd/guru: add type position to describe command
Add typepos field to json output of describe command. This field shows where
type of current (under cursor) identifier is defined. This will help code editors
implement command 'Go to type definition'.

Implements [#27308](https://github.com/golang/go/issues/27308)

Change-Id: I4e02ddbdc03fecec98135b8996f9562a88a9cfb8
GitHub-Last-Rev: be47e397a293a96d3d39776d6090d861e7904a24
GitHub-Pull-Request: golang/tools#50
Reviewed-on: https://go-review.googlesource.com/c/140379
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-11-20 20:06:22 +00:00
Rebecca Stambler
b6bf295893 internal/lsp: fix formatting bug that keeps adding extra newlines
If a file ends with an empty newline, go/token treats the newline as the
final character of the previous line. VSCode, however, treats this as a
final line with no characters. We handle this by determining if the file
we are formatting ends with a newline character and updating the
protocol ranges accordingly.

Change-Id: Id8be0fd776ae65c8f0f937f3e718825e407cb217
Reviewed-on: https://go-review.googlesource.com/c/150338
Reviewed-by: Ian Cottrell <iancottrell@google.com>
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-11-20 17:38:33 +00:00
Rebecca Stambler
fc4f04983f internal/lsp: add more testdata for completion and diagnostics
Change-Id: I2a73e51b60f76a2af0f8ff4d34220b551e0cd378
Reviewed-on: https://go-review.googlesource.com/c/150041
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
2018-11-20 06:06:34 +00:00
Ian Cottrell
89e258047f go/ssa: convert tests to new annotation system
Change-Id: I4f44da4fa6a4976b790b6707300cd4facf99c9a5
Reviewed-on: https://go-review.googlesource.com/c/144738
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-11-19 18:26:14 +00:00
Ian Cottrell
6dfe7efaa9 internal/lsp: add definition tests from godef
This makes our internal version of go to definition be tested with the
same test data that godef now uses

Change-Id: I04e488b6b9b2d891181f202ea1125b823a079c50
Reviewed-on: https://go-review.googlesource.com/c/150045
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-19 18:17:22 +00:00
Ian Cottrell
1aef897494 internal/lsp: fix for limitations of export data
It is impossible to reconstruct a line and column correctly from export data, so
we have to attempt to find open and process the file in order to guess what the
original pos was when we have one that originated in export data.
This occurs in any time in go to definition when the target is not in the same
pacakge as the source.

Change-Id: Ib2ee404d4f1c39d8bd7f1fbc2096d8d6cbeed6f8
Reviewed-on: https://go-review.googlesource.com/c/150044
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-19 18:00:18 +00:00
Alan Donovan
d1f8dbfb0b go/analysis/cmd/vet-lite: remove
The vet-lite tool was useful for developing the new cmd/vet but no
longer needs to exist. This changes removes the command and moves the
main.go file to the unitchecker directory where it serves as an
example and can still be built for testing and debugging.

See also https://go-review.googlesource.com/c/go/+/150297.

Change-Id: Ic10c7cd3aeeaa2e1397dd81939616c6877f7005d
Reviewed-on: https://go-review.googlesource.com/c/150298
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
2018-11-19 17:56:07 +00:00
Ian Cottrell
3d801af142 internal/lsp: use subtests for all lsp categories
This makes it possible to run just one type of test if needed
Also add some verification that the right number of tests is being run
And finally collect all the expectations up front, including the completions.

Change-Id: Iee6045a8ad89fa399fefd03bc0712770701ec6f8
Reviewed-on: https://go-review.googlesource.com/c/149737
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-19 17:56:05 +00:00
Ian Cottrell
68f7e630ce internal/lsp: make all the tests work on 1.10
Also improve the error messages from a failing diagnostic tests so you can read
them.

Change-Id: I3554ce5a029de22a55a9636ed26ba02d95fc3246
Reviewed-on: https://go-review.googlesource.com/c/150042
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-19 17:55:51 +00:00
Ian Cottrell
31e4346e36 go/packages/packagestest: change the Export method to take a testing.TB
This allows it to be used in benchmarks as well as tests.

Change-Id: I1eb7307a0a7d27c541b14dd8b84c4bc2c770f3c9
Reviewed-on: https://go-review.googlesource.com/c/150257
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>
2018-11-19 17:55:25 +00:00
Daniel Martí
139d099f66 go/analysis: use TypeString when matching types
As Alan rightfully guessed, porting the stdmethods check to use go/types
required the use of types.TypeString not only when printing signatures
in warnings, but also when matching them.

Added a simple test case too.

Fixes golang/go#28792.

Change-Id: Ifbbdd4b1a2f1090d6f9a1674d52b8f0887a67d06
Reviewed-on: https://go-review.googlesource.com/c/149977
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-11-19 13:03:50 +00:00
Daniel Martí
70b12541d3 go/analysis: unindent some pieces of code
All of these were quite heavily indented for no good reason; breaking or
returning early makes the code easier to read and follow.

Change-Id: Ic539517b07604d71495277b16f1b7eb60d2e3d3c
Reviewed-on: https://go-review.googlesource.com/c/149978
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
2018-11-19 11:39:21 +00:00
Alan Donovan
2ddaf7f79a go/analysis: two trivial doc tweaks
Change-Id: I9a85d4099550e56dd07dfb6e0f8921e3b3e8bd30
Reviewed-on: https://go-review.googlesource.com/c/150043
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-11-17 15:47:41 +00:00
Brad Fitzpatrick
e77c06808a godoc/redirect: improve Rietveld CL heuristic
Go's CL numbers as assigned by Gerrit have started to collide with the
lower numbers in the sparse set of CL numbers as returned by our old
code review system (Rietveld).

The old heuristic no longer works now that Gerrit CL numbers have
reached 150000.

Instead, include a map of the low Rietveld CL numbers where we might
overlap and bump the threshold heuristic up.

Updates golang/go#28836

Change-Id: Ice719ab807ce3922b885a800ac873cdbf165a8f7
Reviewed-on: https://go-review.googlesource.com/c/150057
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
2018-11-16 19:35:47 +00:00
Alan Donovan
8e5aba0a36 go/analysis: harmonize flags across all checkers
The -json and -c=N flags, formerly belonging only to the
go/packages-based {single,multi}checkers, are now supported by
unitchecker as well.

The no-op -source, -v, -all, and -tags flags, formerly belonging only
to unitchecker, have moved to the analysisflags package, which is
common to all checkers.

The -flags flag now reports all registered flags (except the
{single,multi}checker-only debugging flags) rather than just those
related to analyzers, allowing one to say: 'go vet -json' or 'go vet -c=1'.

The code for printing diagnostics, either plain or in JSON, has been
factored and moved into the common analysisflags package.

This CL depends on https://go-review.googlesource.com/c/go/+/149960 to
cmd/go, which causes 'go vet' to populate the ID field of the *.cfg.
This field is used as a key in the JSON tree.

Added basic tests of the new -json and -c unitchecker flags.

Change-Id: Ia7a3a9adc86de067de060732d2c200c58be3945a
Reviewed-on: https://go-review.googlesource.com/c/150038
Reviewed-by: Michael Matloob <matloob@golang.org>
2018-11-16 19:20:06 +00:00
Alan Donovan
e3f267ad69 go/analysis/cmd/vet-lite: remove pkgfact
It's only for debugging.

Change-Id: Ic2aacc6bcb52607c253f02b963e0e281213142b0
Reviewed-on: https://go-review.googlesource.com/c/150039
Reviewed-by: Michael Matloob <matloob@golang.org>
2018-11-16 19:02:25 +00:00
Alan Donovan
23984592fe go/analysis/cmd/vet: remove pkgfact, findcall analyzers
The suite used by this tool matters to GOROOT/src/cmd/vet/all and the
'vetall' builder.  Add a comment to this effect.

Change-Id: I2e16eb670b03a7bae8224625baaebd1298e2424c
Reviewed-on: https://go-review.googlesource.com/c/150040
Reviewed-by: Michael Matloob <matloob@golang.org>
2018-11-16 19:02:14 +00:00