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3100 Commits

Author SHA1 Message Date
Andre Bogus
e3c4ffd4aa Use diagnostic item for 2019-09-09 05:43:39 +02:00
Matthew Jasper
5e7ff6b705 Update non_expressive_names for or patterns 2019-09-08 16:27:54 +01:00
Matthew Jasper
a2477f7759 Remove use of the HIR CFG 2019-09-08 16:27:54 +01:00
Michael Wright
9bdfd0683f Fix or_fun_call bad suggestion 
Closes #4514
 2019-09-08 11:03:45 +02:00
bors
f30bf69ec7 Auto merge of #4508 - rust-lang:reduced-symbolism, r=phansch 
Simplify `utils::match_def_path`, removing a FIXME

changelog: none

This removes the `Vec<Symbol>` allocation. We still need to call `cx.get_def_path`, but this should already have been interned, and I don't see how we can keep ergonomics of that function without allocating a `Vec`.

r? @phansch
 2019-09-06 15:10:06 +00:00
Mateusz Mikuła
5afa216e30 Rustup to rust-lang/rust#64111 2019-09-06 13:57:27 +02:00
bors
9672a0400c Auto merge of #4500 - jeremystucki:refactoring, r=flip1995 
Small refactoring

changelog: none
 2019-09-06 08:41:56 +00:00
Andre Bogus
72058a6d0d Simplify , removing a FIXME 2019-09-06 09:40:36 +02:00
bors
313b41fac5 Auto merge of #4489 - JohnTitor:fix-redundant-pattern-false-positive, r=flip1995 
Fix `redundant_pattern` false positive

Fix #4428

changelog: Fix `redundant_pattern` false positive
 2019-09-05 16:15:36 +00:00
Lzu Tao
c12b700e87 Rustup "Minimize uses of LocalInternedString" 2019-09-05 07:16:57 +00:00
bors
e3ae76aeac Auto merge of #4495 - JohnTitor:fix-map-entry-false-positive, r=phansch 
Fix `map_entry` false positive

Fixes #4219

changelog: Fix `map_entry` false positive
 2019-09-04 16:25:49 +00:00
Yuki Okushi
8be37fdb1d Make it auto fixable lint 2019-09-05 00:50:22 +09:00
Yuki Okushi
e236740f28 Fix redundant_pattern false positive 2019-09-05 00:36:48 +09:00
bors
98a25241cc Auto merge of #4487 - JohnTitor:deref-addrof-external-macro, r=flip1995 
Don't check across macro boundary in `deref_addrof`

Fixes #4289

changelog: Allow `deref_addrof` in macros
 2019-09-04 15:01:06 +00:00
Jeremy Stucki
3fc1ec1ffd
Refactor option handling 2019-09-04 16:19:59 +02:00
bors
9d2772207e Auto merge of #4418 - euclio:byte-lit-suggestion, r=flip1995 
use a structured suggestion for char-lit-as-u8

changelog: use a structured suggestion for char-lit-as-u8
 2019-09-04 13:33:47 +00:00
Andy Russell
4ea246b0b3
use a structured suggestion for char-lit-as-u8 2019-09-04 08:50:55 -04:00
bors
ffe57fad85 Auto merge of #4498 - sinkuu:checked_arithmetic_unwrap, r=flip1995 
Add manual_saturating_arithmetic lint

changelog: add `manual_saturating_arithmetic` lint

Fixes #1557. This lint detects manual saturating arithmetics like `x.checked_add(10u32).unwrap_or(u32::max_value())` and suggests replacing with `x.saturating_add(10u32)`.
 2019-09-04 12:14:41 +00:00
Shotaro Yamada
c6fb9c8a2a Hide variables in doc-test 2019-09-04 21:10:08 +09:00
Shotaro Yamada
45fde0f86f Fix doctest and renaming src 2019-09-04 21:06:28 +09:00
bors
a2c4b2b8da Auto merge of #4490 - mikerite:fix-4364, r=flip1995 
Fix `too_many_lines` false positive

changelog: Fix `too_many_lines` false positive
 2019-09-04 11:35:13 +00:00
Shotaro Yamada
4960f79476 Add manual_saturating_arithmetic lint 2019-09-04 18:38:25 +09:00
bors
8239b7616f Auto merge of #4454 - BO41:search_is_some, r=flip1995 
Dereference one less on search_is_some and make it auto-fixable

Fixes #4453

changelog: none
 2019-09-04 07:53:44 +00:00
BO41
64cd9e4d60 Try to fix .fixed 2019-09-03 18:56:23 +02:00
bors
11da8c18a2 Auto merge of #4479 - rust-lang:uninit_assume_init, r=flip1995 
lint against `MaybeUninit::uninit().assume_init()`

changelog: add `uninit_assumed_init` lint

This fixes #4272
 2019-09-03 16:14:40 +00:00
Andre Bogus
b01f2d1126 lint against MaybeUninit::uninit().assume_init() 2019-09-03 17:37:38 +02:00
bors
aeadf1562c Auto merge of #4486 - lzutao:fix-panic-unseparate-literals, r=flip1995 
Fix index out of bound in case of empty snippet

cc #4480

changelog: none
 2019-09-03 13:17:30 +00:00
Yuki Okushi
c94c5e9048 Fix map_entry false positive 2019-09-03 20:31:02 +09:00
bors
2d7da04e17 Auto merge of #4493 - JohnTitor:fix-build-bytes, r=flip1995 
Rustup to rust-lang/rust#63561

changelog: none
 2019-09-03 10:44:47 +00:00
Yuki Okushi
7d30cb6e76 Remove Allocation::bytes 2019-09-03 18:29:08 +09:00
Michael Wright
232dd43fe9 Fix occurrences of too_many_lines violations 2019-09-03 06:26:49 +02:00
Michael Wright
0ae1a69330 Fix too_many_lines false positive 
Fixes #4364
 2019-09-03 06:25:54 +02:00
Yuki Okushi
9a5b996228 Allow deref_addrof in macros 2019-09-03 00:17:23 +09:00
Lzu Tao
17d445b66d Fix index out of bound in case of empty snippet 2019-09-02 20:38:40 +07:00
bors
1f9993729b Auto merge of #4482 - awoimbee:doc_explicit_counter_loop, r=flip1995 
fix misleading doc for explicit_counter_loop lint

changelog: replace misleading examples for explicit_counter_loop & more concise `Why is it bad?` section

This fixes #4472
 2019-09-02 12:46:13 +00:00
Arthur Woimée
223e23a5ce fix misleading doc for explicit_counter_loop lint 2019-09-01 21:54:47 +02:00
Michael Wright
2fdfd60569 Fix needless_lifetimes false positive 2019-09-01 08:11:40 +02:00
Cristian Kubis
8bc1ded805 Fix incorrect swap suggestion 
Clippy suggests using swap on fields belonging to the same owner
causing two mutable borrows of the owner

Fixes #981

Signed-off-by: Cristian Kubis <cristian.kubis@tsunix.de>
 2019-08-31 18:53:14 +02:00
Michael Wright
88750f9ad7 Fix extra_unused_lifetimes false positive 
Fixes #4291
 2019-08-31 08:16:04 +02:00
bors
a3fcaee562 Auto merge of #4473 - phansch:fix_cast_lossless_fp, r=flip1995 
Fix cast_lossless false positive in impl const fn

Fixes https://github.com/rust-lang/rust-clippy/issues/3656#issuecomment-526387382

changelog: Fix false positive in `cast_lossless`
 2019-08-30 20:30:53 +00:00
flip1995
3c11406c1f
Rustup to rust-lang/rust#60966 2019-08-30 10:11:27 +02:00
bors
2bff3d87d5 Auto merge of #4446 - mikerite:fix-4437, r=phansch 
Fix `match_as_ref` bad suggestion

Fixes #4437

changelog: Fix `match_as_ref` bad suggestion
 2019-08-30 06:07:41 +00:00
Philipp Hansch
fb1ae1747f
Fix cast_lossless false positive in impl const fn 
Fixes https://github.com/rust-lang/rust-clippy/issues/3656#issuecomment-526387382
 2019-08-30 07:22:35 +02:00
bors
28a8a6a483 Auto merge of #4450 - phansch:fix_const_fn_fp, r=flip1995 
Fix missing_const_for_fn false positive

We don't want to lint if the type of the method implements drop.
(constant functions cannot evaluate destructors)

changelog: Fix `missing_const_for_fn` false positive

Fixes #4449
 2019-08-29 17:24:21 +00:00
flip1995
dac81d867b
Use the spans returned by utils::method_calls 2019-08-29 17:34:03 +02:00
flip1995
832c0830ec
Also return the method spans in utils::method_calls 2019-08-29 17:34:02 +02:00
BO41
945d4cf69f
Dereference one less on search_is_some and make it auto-fixable 2019-08-29 17:34:02 +02:00
bors
888b736560 Auto merge of #4408 - phansch:more_rustfix_tests, r=flip1995 
More rustfix tests

<!--
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cc #3630

This is probably easier reviewed per-commit.

changelog: none
 2019-08-29 10:48:14 +00:00
Victor Polevoy
87ef86ef5a Improve cognitive_complexity lint's warning. 
Adds the value of complexity limit set for the lint
to the warning.

Fixes #4466

Signed-off-by: Victor Polevoy <fx@thefx.co>
 2019-08-29 11:54:18 +02:00
Michael Wright
0c8332558b Merge branch 'master' into fix-4437 2019-08-29 08:17:36 +02:00
Philipp Hansch
1b18597554
Fix missing_const_for_fn false positive 
We don't want to lint if any of the input parameters implement drop.

(constant functions cannot evaluate destructors)
 2019-08-29 08:07:41 +02:00
Philipp Hansch
eeeadf30bf
Make useless_attribute suggestion MaybeIncorrect 2019-08-28 21:17:12 +02:00
Philipp Krones
236666138f
Rollup merge of #4460 - JohnTitor:fix-inherent-to-string, r=flip1995 
Fix `inherent_to_string` false positive

Fixes #4457

changelog: fixes `inherent_to_string` false positive
 2019-08-28 13:00:52 +02:00
Yuki Okushi
2c282252a9 Replace Arg with Param 2019-08-28 18:33:25 +09:00
Philipp Hansch
f41677902d
Update int_plus_one suggestion text 
This is now in line with the recommendations from here:
https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/struct.Diagnostic.html#method.span_suggestion
 2019-08-28 07:29:30 +02:00
Philipp Hansch
31cf2f2f35
Change float_cmp Applicability to HasPlaceholders 
The suggestion includes an 'errors' placeholder currently, so it's not
`MachineApplicable`
 2019-08-28 07:23:23 +02:00
Yuki Okushi
1dca950ac4 Fix inherent_to_string false positive 2019-08-28 06:46:26 +09:00
flip1995
d36c785344
Allow block_in_if_{stmt,expr} in external macro 2019-08-27 09:43:03 +02:00
bors
fea888f2ec Auto merge of #4445 - phansch:fix_unused_unit_sugg, r=flip1995 
Fix unused_unit false positive

changelog: Fix `unused_unit` false positive

For some reason the `expr` of `stmt.node` didn't contain the expansion information, but the `stmt.span` does.

Fixes #4076
 2019-08-26 13:29:01 +00:00
bors
f760088820 Auto merge of #4430 - lzutao:defid_trait_alias, r=flip1995 
Account for trait alias when looking for defid

I hit the crash on the `expect` call when running clippy on rustc libcore.
Hopefully this will fix it.
changelog: none
 2019-08-26 12:46:00 +00:00
bors
ba6681300e Auto merge of #4436 - BO41:written_as, r=phansch 
Add some "could be written as" examples

fixes #4405
changelog: none
 2019-08-26 11:11:57 +00:00
Lzu Tao
c1a4b26406 Cleaner code for unsep literals 2019-08-26 16:11:43 +07:00
Lzu Tao
dac2509bac Account for trait alias when looking for defid 2019-08-25 20:36:11 +07:00
Philipp Hansch
818b2ccfc5
Rustup to https://github.com/rust-lang/rust/pull/63854 2019-08-25 08:06:32 +02:00
Michael Wright
23336adf84 Fix match_as_ref bad suggestion 
Fixes #4437
 2019-08-25 07:10:45 +02:00
Philipp Hansch
957dedb11d
Fix unused_unit false positive 
Fixes #4076
 2019-08-24 22:09:02 +02:00
BO41
31a6ab47e1 Fix lint doc 2019-08-24 13:57:25 +02:00
bors
2bcb615594 Auto merge of #4443 - jeremystucki:methods-refactoring, r=phansch 
Small refactoring of methods/mod.rs

changelog: none
 2019-08-24 07:45:29 +00:00
Jeremy Stucki
2da8288433
Refactor some minor things 2019-08-23 22:52:04 +02:00
Jeremy Stucki
907aebcf8b
Use more if-chains 2019-08-23 22:51:44 +02:00
Jeremy Stucki
4130dfba2e
Refactor 'lint_or_fun_call' 2019-08-23 22:31:22 +02:00
Jeremy Stucki
419c87fb35
Refactor 'check_unwrap_or_default' 2019-08-23 14:36:00 +02:00
Jeremy Stucki
1436fea271
Refactor 'check_impl_item' 2019-08-23 14:20:55 +02:00
Lzu Tao
5b367ed4a3 Add missing field to LitKind::Str 2019-08-23 18:02:13 +07:00
Lzu Tao
f717a77ecc Re-add false positive check 2019-08-23 09:16:50 +00:00
Lzu Tao
ce2d2920ef Add raw string regression test for useless_format lint 2019-08-23 09:16:50 +00:00
Lzu Tao
09d302a786 Re-factor useless_format lint 2019-08-23 09:16:50 +00:00
Lzu Tao
4134e608c5 Update Unicode lint tests 2019-08-23 05:42:45 +00:00
BO41
eebb7cd839 Add examples to some complexity lints 2019-08-22 15:41:07 +02:00
BO41
3f56cb5d8b Add example to a perf lint 2019-08-22 15:41:07 +02:00
BO41
43a2ba34e6 Add examples to some correctness lints 2019-08-22 15:41:07 +02:00
bors
57c67a29d2 Auto merge of #4352 - phansch:fix_redundant_pattern_matching, r=flip1995 
Fix some suggestions for redundant_pattern_matching

.. and change the Applicability to `MaybeIncorrect`.

Fixes the problem displayed in https://github.com/rust-lang/rust-clippy/issues/4344#issuecomment-519206388.

We now append `{}` to the suggestion so that the conditional has the
correct syntax again.

(If we were to _remove_ the `if` instead, it would trigger the
`unused_must_use` warning for `#[must_use]` types.)

changelog: Fix some suggestions for `redundant_pattern_matching`
 2019-08-21 08:15:36 +00:00
Michael Wright
59893bcab0 Fix temporary_cstring_as_ptr false negative 
Fixes #4375.

Changes the check to test when `.unwrap().as_ptr()` is called on any
`Result<CString, _>` as suggested by @flip1995
(https://github.com/rust-lang/rust-clippy/issues/4375#issuecomment-520724123).
 2019-08-21 07:35:04 +02:00
Philipp Hansch
0d85d7e60f
Fix suggestions for redundant_pattern_matching 
Fixes the problem displayed in https://github.com/rust-lang/rust-clippy/issues/4344#issuecomment-519206388.

We now append `{}` to the suggestion so that the conditional has the
correct syntax again.

(If we were to _remove_ the `if` instead, it would trigger the
`unused_must_use` warning for `#[must_use]` types.
 2019-08-21 07:29:44 +02:00
bors
835205b8da Auto merge of #4401 - JJJollyjim:literal-separation-suggestion, r=flip1995 
Add autofixable suggestion for unseparated integer literal suffixes

changelog: Add autofixable suggestion for unseparated integer literal suffixes

Somewhat WIP, since I haven't been able to get this working when adding `// run-rustfix` to `ui/literals.rs`. I think the issue is that there are multiple suggestions operating on one numerical literal, and I'm not sure what the best approach is to work around that.

Thanks
 2019-08-20 07:54:25 +00:00
Philipp Hansch
1055cf5b9f
Merge pull request #4416 from SimonSapin/plugin 
Import rustc_plugin from its new location
 2019-08-20 07:28:59 +02:00
KRAAI, MATTHEW [VISUS]
eaf8f08390 Restore en dashes 2019-08-19 12:38:33 -07:00
KRAAI, MATTHEW [VISUS]
204b2f3658 Remove in_macro_or_desugar 2019-08-19 09:30:32 -07:00
Simon Sapin
08d8ffc6a9 Import rustc_plugin from its new location 
Depends on https://github.com/rust-lang/rust/pull/62727
 2019-08-19 17:52:10 +02:00
bors
5c71c1b838 Auto merge of #4411 - mikerite:fix-4384, r=flip1995 
Fix `clone_on_copy` false positives

Closes #4384

changelog: Fix `clone_on_copy` false positives
 2019-08-19 08:04:12 +00:00
bors
d1f1844f46 Auto merge of #4386 - lzutao:lint-option-and_then-some, r=flip1995 
Add option_and_then_some lint

changelog: Add complexity lint to warn about `option.and_then(|o| Some(x))` and suggest replacing with `option.map(|o| x)`.

Closes #4299
 2019-08-19 07:35:53 +00:00
Michael Wright
68a1af540c Fix clone_on_copy false positives 
Closes #4384
 2019-08-19 08:19:54 +02:00
Matthias Krüger
88f417e446 try to fix build in rustc repo 2019-08-19 06:10:00 +02:00
Lzu Tao
7065239da5 Add option_and_then_some lint 2019-08-19 03:54:40 +00:00
Jamie McClymont
4ee9d02efa Requested changes 2019-08-19 14:20:38 +12:00
bors
f01a0c0e08 Auto merge of #4403 - xd009642:type_repetition_improvements, r=phansch,flip1995 
Improvements to `type_repetition_in_bounds`

Improvements to the `type_repetition_in_bounds` trait based on feedback from #4380 #4326 #4323

Currently just make it pedantic. Hopefully, more to come

changelog: move `type_repetition_in_bounds` to `pedantic`
 2019-08-18 21:03:21 +00:00
bors
6668e629ba Auto merge of #4404 - BO41:patch-1, r=flip1995 
Add "could be written as" example to MANUAL_MEMCPY

<!--
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If your PR only updates to the latest nightly, you can leave the
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If your PR fixes an issue, you can add "fixes #issue_number" into this
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If you added a new lint, here's a checklist for things that will be
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changelog: none
 2019-08-18 20:34:25 +00:00
xd009642
76598adafb Run update_lints 2019-08-18 16:59:31 +01:00
Jeremy Stucki
9c39c02b75
Change lint type to 'complexity' 2019-08-18 16:49:11 +02:00
Jamie McClymont
c8fb62148e Add autofixable suggestion for unseparated integer literal suffices 2019-08-19 02:46:12 +12:00
Jeremy Stucki
5df84f2192
Merge branch 'origin/master' into suspicious_map 2019-08-18 16:37:31 +02:00
Michael Wright
b313d25350 Fix breakage due to rust-lang/rust#61708 2019-08-18 13:14:47 +02:00
Lzu Tao
533bdfbdbc Fix assertions_on_constants lint 2019-08-18 02:34:30 +07:00
Lzu Tao
439284b584 Make code cleaner and more readable 2019-08-18 01:47:45 +07:00
BO41
b17cb32bcb
Add "could be written as" example to MANUAL_MEMCPY 2019-08-17 13:09:03 +00:00
xd009642
c1e57402d3 Made lint pedantic 2019-08-17 11:45:05 +01:00
bors
49dff2c9f3 Auto merge of #4397 - kraai:remove-a, r=flip1995 
Remove "a" from single_match_else description

changelog: none
 2019-08-16 20:04:39 +00:00
flip1995
2456b355f2
Run rustfmt 2019-08-16 19:05:44 +02:00
KRAAI, MATTHEW [VISUS]
f74d9db7f4 Use outer_expn_data instead of outer_expn_info 2019-08-16 09:31:12 -07:00
KRAAI, MATTHEW [VISUS]
a68abc03a2 Remove "a" from single_match_else description 2019-08-16 05:41:35 -07:00
Lzu Tao
65b906a8fc Rustup "Remove Spanned from {ast,hir}::FieldPat" 2019-08-16 09:32:27 +07:00
Jeremy Stucki
f4f31a4ff4
Implement lint 'suspicious_map' 2019-08-15 22:58:32 +02:00
flip1995
ebd3eeaede
Also specify patch version of toml crate 2019-08-15 15:58:36 +02:00
bors
607b8299c5 Auto merge of #4382 - jeremystucki:unnecessary_fold_span, r=flip1995 
Change span of unnecessary_fold lint

Resolves #4381

changelog: Change linted span of `unnecessary_fold`
 2019-08-15 12:57:51 +00:00
bors
a3da66d6d3 Auto merge of #4348 - phansch:deprecate-unused-unused-collect, r=flip1995 
Deprecate unused_collect lint

I found this because we only had two test cases in total for this lint.
It turns out the functionality is fully covered by rustc these days.

[Playground Examples](https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=eb8ee6db389c77180c9fb152d3c608f4)

changelog: Deprecate `unused_collect` lint. This is fully covered by rustc's `#[must_use]` on `collect`

cc #2846
 2019-08-15 10:47:20 +00:00
flip1995
9533fa5b19
Rustup to rust-lang/rust#63543 2019-08-15 10:14:06 +02:00
Philipp Hansch
42f03539ca
Deprecate unused_collect lint 
I found this because we only had two test cases in total for this lint.
It turns out the functionality is fully covered by rustc these days.

[Playground Examples](https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=eb8ee6db389c77180c9fb152d3c608f4)

changelog: Deprecate `unused_collect` lint. This is fully covered by
rustc's `#[must_use]` on `collect`

cc #2846
 2019-08-14 21:47:11 +02:00
Jeremy Stucki
fdf82eb1a8
Remove unused import 2019-08-14 20:24:05 +02:00
Jeremy Stucki
08f658bc72
Use different span 2019-08-14 19:35:06 +02:00
bors
dbe2bb4256 Auto merge of #4379 - matthiaskrgr:url_dep, r=phansch 
update url dependency from 1.7.0 to 2.1.0

changelog: none
 2019-08-14 13:07:19 +00:00
bors
06430e7af4 Auto merge of #4363 - phansch:fix_lint_deprecation, r=flip1995 
Update lint deprecation for tool lints

changelog: Allow tool lints (`clippy::*`) to be deprecated

Our lint deprecation previously didn't work for tool lints, because
`register_removed` was registering lints to be removed _without_ the
`clippy` prefix.

Fixes #4349
 2019-08-14 11:37:10 +00:00
Matthias Krüger
37d79d9a29 update url dependency from 1.7.0 to 2.1.0 2019-08-14 13:04:17 +02:00
bors
63d2d066f9 Auto merge of #4369 - mikerite:fix-4293, r=flip1995 
Fix `wrong_self_convention` issue

Resolves #4293

changelog: Fix `wrong_self_convention` issue
 2019-08-14 10:59:36 +00:00
Jeremy Stucki
2bfcf89f82
Merge branch 'origin/master' into flat-map 2019-08-14 07:36:37 +02:00
Jeremy Stucki
d578c43c51
Use correct span 2019-08-13 21:50:42 +02:00
Jeremy Stucki
4275d7b6ac
Run 'update_lints' 2019-08-12 21:47:12 +02:00
Jeremy Stucki
d51136d594
Use 'span_lint_and_sugg' 2019-08-12 21:42:57 +02:00
Jeremy Stucki
3a65e4e75a
Minor refactoring 2019-08-12 21:29:33 +02:00
Philipp Hansch
b50c13c578
Fix invalid_ref deprecation 2019-08-12 19:42:23 +02:00
Philipp Hansch
0b7e2376c8
Keep old deprecated lints deprecated as non-tool, too 2019-08-12 19:42:23 +02:00
Philipp Hansch
5114050839
Update lint deprecation for tool lints 
Our lint deprecation previously didn't work for tool lints, because
`register_removed` was registering lints to be removed _without_ the
`clippy` prefix.
 2019-08-12 19:20:36 +02:00
Jeremy Stucki
09e9568c26
Change lint type from 'pedantic' → 'complexity' 2019-08-12 10:53:23 +02:00
bors
e255f36afe Auto merge of #4365 - lukas-code:async_new_ret_no_self, r=flip1995 
new_ret_no_self: allow Self in inner type for impl Trait return types

Check the inner types of associated types of a trait when checking for Self in the return type of a `new` method. This means that the following will no longer warn:
```rust
trait Trait {
    type Inner;
}

struct S;

impl S {
    fn new() -> impl Trait<Inner = Option<Self>> {
        struct TraitImpl;

        impl Trait for TraitImpl {
            type Inner = Option<S>;
        }

        TraitImpl
    }
}
```
```rust
#![feature(async_await)]

struct Connection;

impl Connection {
    async fn new() -> Result<Self, ()> {
        Ok(S)
    }
}
```
closes #4359

changelog: fix `new_ret_no_self` lint for async `new` functions.
 2019-08-12 05:15:16 +00:00
Jeremy Stucki
df9063013e
Update rustdoc 2019-08-11 22:18:58 +02:00
Jeremy Stucki
5fd7d44f36
Refactor if_chain 
Co-authored-by: Philipp Krones <hello@philkrones.com>
 2019-08-11 21:02:01 +02:00
Jeremy Stucki
b651f19eb8
Rename 'flat_map' → 'flat_map_identity' 2019-08-11 20:34:25 +02:00
Jeremy Stucki
f0ce04f814
Handle calls with 'std::convert::identity' 2019-08-11 19:51:43 +02:00
Jeremy Stucki
05d9f884e1
Merge branch 'origin/master' into flat-map 2019-08-11 19:22:40 +02:00
Vallentin
b7460ad70b Fixed repeated word 2019-08-11 12:56:30 +02:00
Ralf Jung
2dcce60fdc deprecate invalid_ref lint 2019-08-11 09:31:55 +02:00
Michael Wright
77278ccda9 Fix wrong_self_convention issue 
Resolves #4293
 2019-08-10 06:01:15 +02:00
Michael Wright
170d4861c6 Simplify wrong_self_convention code 
Use actual types instead of hir types.
 2019-08-10 06:00:27 +02:00
Michael Wright
ebd24985bf Rename implitem to impl_item 
`impl_item` is proper snake case and used everywhere else.
 2019-08-10 05:58:52 +02:00
Lukas Markeffsky
d7b9a845aa new_ret_no_self: walk associated types in impl Trait return types 2019-08-09 17:44:05 +02:00
bors
c55d38ed7a Auto merge of #4362 - lzutao:expect-on-cstring_as_ptr, r=flip1995 
Fix lint_cstring_as_ptr for expect

Closes #4312
changelog: none
 2019-08-09 09:22:02 +00:00
Lzu Tao
c23a5c586f Fix lint_cstring_as_ptr for expect 2019-08-09 12:39:33 +07:00
Lzu Tao
30cbdc7491 Fix lint_single_char_pattern on raw string literal 2019-08-09 10:55:30 +07:00
bors
d23e6b396a Auto merge of #4358 - lzutao:cleanup_implicit_return, r=flip1995 
Use source_callsite() instead of recursive outer_expn_info()

changelog: none
 2019-08-08 16:36:44 +00:00
bors
4465e2fbb8 Auto merge of #4355 - lzutao:macro_expn_try_err, r=flip1995 
Fix macro expansion in try_err lint

Fixes #4309

changelog: none
 2019-08-08 15:16:17 +00:00
Lzu Tao
59a35874c1 Use source_callsite() instead of recursive outer_expn_info() 2019-08-08 21:28:40 +07:00
Lzu Tao
90a7b60413 Use snippet_with_macro_callsite suggested by flip1995 2019-08-08 21:21:59 +07:00
Lzu Tao
0487b58f9a Fix macro expansion in try_err lint 2019-08-08 20:22:52 +07:00
bors
286d528a45 Auto merge of #4345 - phansch:enum_variants_fix, r=flip1995 
Don't emit enum_variant_names if remainder starts with a numeric

changelog: Fix false positive in `pub_enum_variant_names` and `enum_variant_names`

As [per the reference](https://doc.rust-lang.org/reference/identifiers.html), identifiers must start with a letter. So we don't suggest a better
variant naming in case the remainder would start with a numeric.

Fixes #739
 2019-08-07 10:22:06 +00:00
Philipp Hansch
0a988c6630
Don't emit enum_variant_names if remainder starts with a numeric 
As [per the reference](https://doc.rust-lang.org/reference/identifiers.html),
identifiers must start with a letter. So we don't suggest a better
variant naming in these cases.

Fixes #739
 2019-08-06 20:45:36 +02:00
Lzu Tao
e4f8cd9672 Rustup https://github.com/rust-lang/rust/pull/59369 2019-08-06 19:20:41 +07:00
Philipp Hansch
cdfb72a5e1
fmt 2019-08-05 20:53:24 +02:00
Philipp Hansch
4cfb0966a1
Fix needless_bool suggestion with if-else-if-else 
Closes #4334
 2019-08-05 20:52:38 +02:00
Vincent Dal Maso
77b21b644f
Move expression check to LateLintPass 
Changes:
- Move from EarlyLintPass
- Fix entrypoint check with function path def_id.
 2019-08-05 13:23:30 +02:00
Vincent Dal Maso
4eab691db6
Add recursion check on main function 
Changes:
- Add MainRecursion lint to clippy
- Check for no-std setup

fixes #333
 2019-08-05 13:23:30 +02:00
bors
ca6a9beb31 Auto merge of #4338 - flip1995:rollup-9cm4jbr, r=flip1995 
Rollup of 4 pull requests

Successful merges:

 - #4329 (Doctests: Enable running doc tests for pedantic lints)
 - #4330 (Doctests: Enable running doc tests for nursery lints)
 - #4331 (Doctests: Enable running doc tests for restriction lints)
 - #4332 (Split up cast.rs tests, run-rustfix for unnecessary_cast)

Failed merges:

r? @ghost

changelog: none
 2019-08-05 09:44:45 +00:00
Philipp Krones
93c3da223f
Rollup merge of #4331 - phansch:doctests_restriction, r=flip1995 
Doctests: Enable running doc tests for restriction lints

changelog: Enabled remaining doc tests for lint documentation page

master: 202 passed; 0 failed; 122 ignored; 0 measured; 0 filtered out
this PR: 231 passed; 0 failed; 123 ignored; 0 measured; 0 filtered out

Closes #4319 (assuming this is merged after #4329 and #4330)
 2019-08-05 10:50:06 +02:00
Philipp Krones
f5db24a59f
Rollup merge of #4330 - phansch:doctests_nursery, r=flip1995 
Doctests: Enable running doc tests for nursery lints

changelog: none

master: 202 passed; 0 failed; 122 ignored; 0 measured; 0 filtered out
this PR: 213 passed; 0 failed; 122 ignored; 0 measured; 0 filtered out

cc #4319
 2019-08-05 10:50:04 +02:00
Philipp Krones
713ad964af
Rollup merge of #4329 - phansch:doctests_pedantic, r=flip1995 
Doctests: Enable running doc tests for pedantic lints

changelog: none

master: 202 passed; 0 failed; 122 ignored; 0 measured; 0 filtered out
this PR: 254 passed; 0 failed; 131 ignored; 0 measured; 0 filtered out

cc #4319
 2019-08-05 10:50:03 +02:00
bors
a90b3ba301 Auto merge of #4337 - flip1995:let_unit, r=phansch 
Make let_unit lint suggestion auto applicable

changelog: Make `let_unit` lint suggestion auto applicable
 2019-08-05 08:41:24 +00:00
flip1995
c5ad0b075a
Make let_unit lint suggestion auto applicable 2019-08-05 09:31:08 +02:00
Philipp Hansch
71a943820b
Rustup to https://github.com/rust-lang/rust/pull/63213 2019-08-05 07:30:01 +02:00
Philipp Hansch
b608e02e1c
Doctests: Enable running doc tests for restriction lints 2019-08-03 21:24:50 +02:00
Philipp Hansch
2f48effc92
Doctests: Enable running doc tests for nursery lints 2019-08-03 21:01:23 +02:00
Philipp Hansch
1dc9a5012e
Doctests: Enable running doc tests for pedantic lints 2019-08-03 20:36:38 +02:00
bors
5c1e30ab05 Auto merge of #4327 - phansch:doctests_perf, r=flip1995 
Doctests: Enable running doc tests for perf lints

changelog: none

This should be possible to merge independently of #4325

cc #4319
 2019-08-03 14:06:13 +00:00
bors
3dc91838e4 Auto merge of #4325 - phansch:doctests_complexity, r=flip1995 
Doctests: Enable running doc tests for complexity lints

changelog: none

master: `113 passed; 0 failed; 91 ignored; 0 measured; 0 filtered out`
this PR: `181 passed; 0 failed; 110 ignored; 0 measured; 0 filtered out`

cc #4319
 2019-08-03 13:24:07 +00:00
Philipp Hansch
d61df4f609
Rustup to latest rustc master 
Broken due to:

* https://github.com/rust-lang/rust/pull/63180 (`Existential` -> `OpaqueTy`)
* https://github.com/rust-lang/rust/pull/63121 (New fields for `FormatSpec`)
 2019-08-03 08:44:32 +02:00
Philipp Hansch
eb68dc9a1a
Also enable doc tests for internal lints 
Because there were fixed in the parent commit.
 2019-08-03 08:12:53 +02:00
Philipp Hansch
c0cdfd296e
Doctests: Enable running doc tests for perf lints 
This should be possible to merge independently of #4325

cc #4319
 2019-08-03 08:08:00 +02:00
Philipp Hansch
abfa8a952c
Doctests: Fix all complexity lint docs 
cc #4319
 2019-08-02 18:16:35 +02:00
bors
d43ef7aa3f Auto merge of #4322 - Y0hy0h:patch-1, r=phansch 
Improve documentation on implicit_hasher lint

Provide an example of how to fix the implicit_hasher lint.

Fixes #3475.

changelog: none
 2019-08-01 18:58:11 +00:00
Y0hy0h
5decadd93e
Fix missing import 2019-08-01 17:54:22 +02:00
bors
18a7dce4da Auto merge of #4314 - chansuke:add-negation-to-is_empty, r=flip1995 
Add negation to `len_zero` lint to show more explicit message.

Fixes #4304 I have updated the `len_zero` to show the required negation in case of like the below case.

```
fn main() {
    let v = vec![1];
    if v.len() > 0 {
    }
}
```

changelog: Clarify suggestion of `len_zero` lint.
 2019-08-01 14:09:59 +00:00
flip1995
feca48d8a2
Fix doc tests 2019-08-01 15:14:06 +02:00
flip1995
7a73b8fdfa
Remove Known problems for UNNECESSARY_UNWRAP 
This shouldn't happen with NLL
 2019-08-01 15:14:06 +02:00
flip1995
e6a836e2e8
Move UNNECESSARY_UNWRAP to complexity and PANICKING_UNWRAP to correctness 2019-08-01 15:14:06 +02:00
bors
c8e5352d9b Auto merge of #4318 - izik1:typo, r=phansch 
Fix `for on` typo

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closes #4317

changelog: minor typo fix
 2019-08-01 09:20:32 +00:00
Y0hy0h
d7224a6341
Improve documentation on implicit_hasher lint 
Provide an example of how to fix the lint.
 2019-08-01 10:51:39 +02:00
bors
5d061d7058 Auto merge of #4315 - phansch:fn_to_numeric_cast_applicability, r=flip1995 
Mark `fn_to_numeric_cast` lints as MaybeIncorrect

At least for now so that `cargo fix --clippy` is not causing problems
with this lint. See #3896 for the remaining problems with the suggestions of this lint.

changelog: none

cc #3630, #3896
 2019-08-01 07:59:51 +00:00
Zachery Gyurkovitz
b8a50cae4c
Fix for on typo 2019-07-31 22:24:57 -07:00
Michael Wright
be646ac0df Update formatting 2019-08-01 07:09:57 +02:00
Philipp Hansch
04ca58a691
Mark fn_to_numeric_cast lints as MaybeIncorrect 
At least for now so that `cargo fix --clippy` is not causing problems
with this lint.

cc #3630, #3896
 2019-07-31 21:05:31 +02:00
chansuke
2d467dca62 Add required negation in non_zero lint 2019-08-01 00:23:09 +09:00
Jakub Wieczorek
2a13e83f2b Update all the code to pass the updated use_self lint. 
One struct required a temporary `#[allow(dead_code)]` annotation due to
a bug in the Rust compiler: https://github.com/rust-lang/rust/issues/63151.
 2019-07-31 08:50:43 +00:00
Jakub Wieczorek
41110b0039 Extend the use_self lint to suggest uses of Self::Variant. 2019-07-31 08:50:43 +00:00
bors
c3e913650e Auto merge of #3766 - xd009642:issue-3764, r=flip1995 
trait bounds lint - repeated types

This PR is to tackle https://github.com/rust-lang/rust-clippy/issues/3764 it's still a WIP and doesn't work but this is an initial stab. It builds though I haven't added any tests as I'm not sure where lint tests should go?

Unfortunately, it seems id isn't tied to the type itself but I guess where it is in the AST? Looking at https://manishearth.github.io/rust-internals-docs/syntax/ast/struct.Ty.html I can't see any members that would let me tell if a type was repeated in multiple trait bounds.

There may be other issues with how I've implemented this so any assistance is appreciated!

changelog: Add new lint: `type_repetition_in_bounds`
 2019-07-30 12:11:17 +00:00
Michael Wright
2f5c1d031d Fix breakage due to rust-lang/rust#61856 2019-07-30 06:39:51 +02:00
xd009642
78ebcaa526 Fix dogfood test 2019-07-28 09:31:05 +01:00
xd009642
03c543515a Hash discriminant of lifetime.name 2019-07-27 23:04:36 +01:00
xd009642
ad637193f0 Hash discriminant of Lifetime::Name 2019-07-27 22:59:46 +01:00
xd009642
925e8207fa Respond to review comments 
Update README and CHANGELOG using the util scripts, refine the help message and fix the float_cmp error.
 2019-07-27 21:58:29 +01:00
xd009642
5e9906b2c6 Added doc comment fixed type printout 
Added a doc comment for the lint and fixed the printout of the type so it prints T not type(T)
 2019-07-27 12:06:25 +01:00
xd009642
cac69ec063 Respond to comments and improve printout 
Now get the trait names for the diagnostic message and removed more
`let c: fn(_) -> _ = T; hashes from hir_utils
 2019-07-27 11:51:27 +01:00
Matthias Krüger
f195550148 rustup https://github.com/rust-lang/rust/pull/62964 2019-07-26 22:58:31 +02:00
xd009642
7853dac662 Responded to comments and fixed compile bug 
Removed the hash of `let c: fn(_,_) -> _ = ExprKind::Cast` and
fixed compile issue by collecting HirVec into an actual Vec
 2019-07-26 16:46:47 +01:00