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2736 commits

Author SHA1 Message Date
Mikhail Babenko
a310cb2d0b implemented let_underscore lint 
actually add files

update lints

change to pedantic
 2019-12-22 22:10:25 +03:00
Daniel Wagner-Hall
4f4444c429 Remove trailling .s 2019-12-22 11:51:39 +00:00
bors
8723eb6035 Auto merge of #4937 - mikerite:fix-4824, r=phansch 
Fix `map_clone` false positive

Don't lint when the item type is not a reference. `copied` only applies to references.

changelog: Fix `map_clone` false positive
 2019-12-22 09:55:50 +00:00
bors
19dbb22032 Auto merge of #4930 - flip1995:unused_label, r=phansch 
Deprecate unused_label lint

This lint was uplifted/turned into warn-by-default in rustc

Fixes #4925

changelog: Deprecate [`unused_label`] lint
 2019-12-22 09:39:32 +00:00
Michael Wright
b15b977d76 Fix map_clone false positive 
Don't lint when the item type is not a reference. `copied` only applies
to references.
 2019-12-22 11:26:51 +02:00
Daniel Wagner-Hall
c21b4ad7d4 Update wildcard enum match lint for non_exhaustive enums 2019-12-22 02:13:39 +00:00
Krishna Veera Reddy
91a491e68e Reduce cognitive complexity lint span 
Currently the cognitive complexity lint spans the entire function
body making it really difficult to read and refactor the code in
editors. To fix this we reduce the lint span to the function name.
 2019-12-21 18:07:53 -08:00
Lzu Tao
d1ca5f1d7c rustup "Merge ast::Mutability and mir::Mutability" 2019-12-21 18:38:45 +00:00
flip1995
710c749bb1
Deprecate unused_label lint 
This lint was uplifted/turned into warn-by-default in rustc
 2019-12-21 16:20:30 +01:00
Matthias Krüger
907078a8f8 rustup https://github.com/rust-lang/rust/pull/67130 2019-12-21 15:13:22 +01:00
bors
a86463c99f Auto merge of #4913 - mikerite:step-by-zero-20191218, r=phansch 
Move `iterator_step_by_zero` and correct the documentation

Move `iterator_step_by_zero` and correct the documentation.

changelog: Corrected `iterator_step_by_zero` documentation
 2019-12-20 07:10:11 +00:00
bors
584f95fc54 Auto merge of #4915 - mikerite:fix-4912-2, r=phansch 
Fix `expect_fun_call` false negative on references

Closes #4912

changelog: Fix `expect_fun_call` false negative on references
 2019-12-19 09:44:14 +00:00
Michael Wright
1559f8bf34 Fix expect_fun_call false negative on references 
Closes #4912
 2019-12-19 06:57:56 +02:00
Michael Wright
e097fca4df Update iterator_step_by_zero 
Move `iterator_step_by_zero` into `methods` since it applies to all
iterators and not just ranges. Simplify the code while doing so.
 2019-12-18 18:59:43 +02:00
Krishna Veera Reddy
eb0408ea65 Detect comparisons with NAN constants 
Currently `cmp_nan` lint doesn't detect comparisons with NaN's
if the operands are consts variables so to fix this we evaluate
the const variables first before testing for NaN.
 2019-12-17 18:51:30 -08:00
Mark Rousskov
69f99e74ac Update tests for revert of never type stabilization 2019-12-14 08:40:43 -05:00
bors
d82debbd01 Auto merge of #4883 - krishna-veerareddy:issue-4818-cast-sign-loss-false-positive, r=flip1995 
Fix false positive with cast_sign_loss lint

`cast_sign_loss` lint incorrectly suggests that the result of `checked_abs`, `rem_euclid` and `checked_rem_euclid` cannot be casted to an unsigned integer without loss.

Fixes #4818 #4764 #4743

changelog: Fix false positives in `cast_sign_loss` lint
 2019-12-12 00:34:59 +00:00
Krishna Veera Reddy
23c03e4994 Move transmute_float_to_int test cases into separate file 
`transmute.stderr` file line count exceeded due to the new test
cases so moving the new test cases into a separate file.
 2019-12-07 17:19:56 -08:00
Krishna Veera Reddy
c77fc06d52 Add lint to detect transmutes from float to integer 
Add lint that detects transmutation from a float to an integer
and suggests usage of `{f32, f64}.to_bits()` instead.
 2019-12-07 16:33:49 -08:00
RobbieClarken
f5d0a452ba Add lint for pub fns returning a Result without documenting errors 
The Rust Book recommends that functions that return a `Result` type have
a doc comment with an `# Errors` section describing the kind of errors
that can be returned
(https://doc.rust-lang.org/book/ch14-02-publishing-to-crates-io.html#commonly-used-sections).
This change adds a lint to enforce this. The lint is allow by default;
it can be enabled with `#![warn(clippy::missing_errors_doc)]`.

Closes #4854.
 2019-12-06 17:19:05 +10:30
Krishna Veera Reddy
c0fb74baf5 Add widening tests for cast_sign_loss lint 2019-12-05 17:18:27 -08:00
Krishna Veera Reddy
7002a9ee83 Fix false positive with cast_sign_loss lint 
`cast_sign_loss` lint incorrectly suggests that the result of
`checked_abs`, `rem_euclid` and `checked_rem_euclid` cannot
be casted to an unsigned integer without loss.
 2019-12-05 15:47:15 -08:00
daxpedda
946961d19e
Change to only detect in external macros. 2019-12-05 11:06:13 +01:00
daxpedda
d11b958faf
Fix false positive in string_add. 2019-12-04 21:51:02 +01:00
Matthias Krüger
98e433d70d
Rustup to rust-lang/rust#66878 2019-12-04 01:34:01 +01:00
bors
c66cca44c8 Auto merge of #4877 - flip1995:manual_swap_4853, r=llogiq 
Fix FP in manual_swap lint with slice-like types

Fixes #4853

changelog: Fix FP in [`manual_swap`] lint with slice-like types and make it auto applicable
 2019-12-03 18:36:19 +00:00
flip1995
7162393103
Update op_ref.stderr 2019-12-03 18:37:07 +01:00
flip1995
1e3b24de43
Make manual_swap autofixable 2019-12-03 13:42:05 +01:00
flip1995
d3232b0fce
Add regression test for manual_swap 2019-12-03 13:25:41 +01:00
flip1995
511deceb36
Normalize custom ICE test 
Fixes #4872
 2019-12-02 20:42:39 +01:00
bors
45196cee02 Auto merge of #4690 - lzutao:fix-test-on-non-amd64, r=flip1995 
generate stderr file on 32bit pointer system

changelog: none
 2019-12-01 18:39:21 +00:00
Lzu Tao
5488672d1f account for external macro in MISSING_INLINE_IN_PUBLIC_ITEMS lint 2019-12-01 19:38:01 +07:00
Lzu Tao
7156aa7f95 build(tests/fmt): use shared target dir 2019-12-01 19:07:02 +07:00
Lzu Tao
142b289a51 chore: fix and split some ui tests on 32bit system 2019-12-01 19:07:02 +07:00
Lzu Tao
83b90d8a86 remove needless my_lint ui test 2019-12-01 09:56:47 +07:00
Andre Bogus
ef7587d957 Less needless_doctest_main false positives 
This checks if a) the `fn main() {}` function is empty or if the doctest contains a `static`. In both cases don't lint.
 2019-11-29 21:47:26 +01:00
Philipp Hansch
21dee8f529
Use rustc_env instead of exec_env for test 2019-11-29 20:47:50 +01:00
Philipp Hansch
ad6d8a4700
Make triggering this lint less likely 📎 2019-11-29 20:47:50 +01:00
Philipp Hansch
5029dfe403
Use exec_env to set backtrace level and normalize output 2019-11-29 20:47:50 +01:00
Philipp Hansch
fc57c84abe
Use Clippy version in ICE message 2019-11-29 20:47:50 +01:00
Philipp Hansch
676f14baa0
Add custom ICE message that points to Clippy repo 
This utilizes https://github.com/rust-lang/rust/pull/60584 by setting
our own `panic_hook` and pointing to our own issue tracker instead of
the rustc issue tracker.

This also adds a new internal lint to test the ICE message.

**Potential downsides**

* This essentially copies rustc's `report_ice` function as
  `report_clippy_ice`. I think that's how it's meant to be implemented, but
  maybe @jonas-schievink could have a look as well =)

  The downside of more-or-less copying this function is that we have to
  maintain it as well now.
  The original function can be found [here][original].
* `driver` now depends directly on `rustc` and `rustc_errors`

Closes #2734

[original]: 59367b074f/src/librustc_driver/lib.rs (L1185)
 2019-11-29 20:47:47 +01:00
Philipp Krones
82066d2f0e
Use println! on success instead of eprintln! 
Co-Authored-By: Phil Hansch <dev@phansch.net>
 2019-11-28 17:48:29 +01:00
flip1995
3e1139a7dc
Rust implementation of integration test 2019-11-28 16:55:21 +01:00
bors
dbdd75ab52 Auto merge of #4855 - phansch:rollup-x7yail7, r=phansch 
Rollup of 3 pull requests

Successful merges:

 - #4832 (Add some positive examples to lint docs)
 - #4842 ([comparison_chain] #4827 Check `core::cmp::Ord` is implemented)
 - #4847 (fixing a typo)

Failed merges:

changelog: none

r? @ghost
 2019-11-28 09:30:16 +00:00
Phil Hansch
1165176840
Rollup merge of #4842 - timbodeit:comparison-chain-false-positive-4827, r=flip1995 
[comparison_chain] #4827 Check `core::cmp::Ord` is implemented

Only emit `comparison_chain` lint, if `cmp` is actually available on the type being compared. Don't emit lint in cases where only `PartialOrd` is implemented.

I haven't yet fully understood [Adjustments](https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/adjustment/struct.Adjustment.html). I would appreciate, if someone could double check whether my usage of [expr_ty](https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/struct.TypeckTables.html#method.expr_ty) in `clippy_lints/src/comparison_chain.rs:91` is correct or if there are cases where using [expr_ty_adjusted](https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/struct.TypeckTables.html#method.expr_ty_adjusted) would lead to a different result when used with `utils::implements_trait`.

---

fixes #4827
changelog: [comparison_chain] Check `core::cmp::Ord` is implemented
 2019-11-28 10:19:05 +01:00
bors
f3288eb48d Auto merge of #4851 - daxpedda:float-arithmetic, r=flip1995 
Remove negative float literal checks.

Fixes #4850.

changelog: Remove negative float literal checks.
 2019-11-28 09:11:45 +00:00
bors
d377486561 Auto merge of #4821 - Areredify:as_conversions, r=flip1995 
Add `as_conversions` lint

changelog: closes #4771, adding a new pedantic allow-by-default lint that lints against any usage of `as`.
 2019-11-28 08:53:36 +00:00
bors
d6accfcc82 Auto merge of #4808 - euclio:string-lit-as-bytes, r=phansch 
trigger string_lit_as_bytes when literal has escapes

---

changelog: fix string_lit_as_bytes false negative

Depends on rust-lang/rust#66349.

Fixes #4796.
 2019-11-28 07:26:04 +00:00
Lzu Tao
d0e0ffa99f make use of Result::map_or 2019-11-28 10:52:20 +07:00
Manish Goregaokar
73646487af Add blank stderr file for cant_be_const test 2019-11-27 15:09:48 -08:00
Manish Goregaokar
341e266508 Add BorrowKind::Ref 2019-11-27 14:39:28 -08:00
Andy Russell
d33ad45d7d
trigger string_lit_as_bytes when literal has escapes 2019-11-26 17:07:17 -05:00
daxpedda
e46bedca3c
Remove negative float literal checks. 2019-11-25 19:23:28 +01:00
Mikhail Babenko
9ec8888b91 implemented as_conversions lint 
actuall add files

add better example and change pedantic to restriction
 2019-11-25 18:12:52 +03:00
flip1995
d2d62de841
Rustup to rust-lang/rust#64856 2019-11-25 13:56:24 +01:00
flip1995
d43c424145
Rustup to rust-lang/rust#66671 2019-11-25 13:18:38 +01:00
Tim Bodeit
fff9a8ea9c [comparison_chain] #4827 Check core::cmp::Ord is implemented 
Only emit lint, if `cmp` is actually available on the type being
compared. Don't emit lint in cases where only `PartialOrd` is
implemented.
 2019-11-24 10:00:06 +01:00
bors
cc35165f52 Auto merge of #4840 - flip1995:rollup-jqk3a3i, r=flip1995 
Rollup of 5 pull requests

Successful merges:

 - #4730 (Fix check_infinite_loop (while_immutable_condition) by checking for break or return inside loop body)
 - #4766 (Fix false positive in derive_hash_xor_eq)
 - #4811 (Literal Representation Restructure)
 - #4820 (doc: fix the comment above the lint function)
 - #4830 (use more efficient code to generate repeated string)

Failed merges:

r? @ghost

changelog: none
 2019-11-23 17:40:57 +00:00
Philipp Krones
623d8c4640
Rollup merge of #4811 - mikerite:lit_repr_20191113, r=flip1995 
Literal Representation Restructure

This pull request restructures the literal_representation module to be easier to understand and maintain. I split the changes into a lot of commits to make reviewing easier.

changelog: none
 2019-11-23 18:16:00 +01:00
Philipp Krones
93d84d7dda
Rollup merge of #4766 - phansch:fix_fp_in_derive_hash_xor_eq, r=flip1995 
Fix false positive in derive_hash_xor_eq

This fixes a false positive in derive_hash_xor_eq where the lint was
triggering on user-defined traits called `Hash`.

changelog: Fix false positive in `derive_hash_xor_eq`

Fixes #4658
 2019-11-23 18:15:59 +01:00
Philipp Krones
016857db65
Rollup merge of #4730 - yerke:fix-check_infinite_loop, r=flip1995 
Fix check_infinite_loop (while_immutable_condition) by checking for break or return inside loop body

changelog: Fix check_infinite_loop (while_immutable_condition) by checking for break or return inside loop body
fixes #4648
 2019-11-23 18:15:58 +01:00
flip1995
7db973d06f
Merge remote-tracking branch 'FlorianRohm/issue/4623' into rollup-new-lints 2019-11-23 17:56:13 +01:00
flip1995
353668ee6c
Merge remote-tracking branch 'Areredify/large_stack_arrays' into rollup-new-lints 2019-11-23 17:55:10 +01:00
flip1995
213765a1d3
Merge remote-tracking branch 'popzxc/if-same-cond-fn' into rollup-new-lints 2019-11-23 17:54:26 +01:00
flip1995
d151ef7437
Merge remote-tracking branch 'upstream/zst-offset' into rollup-new-lints 2019-11-23 17:53:41 +01:00
Yerkebulan Tulibergenov
1cba0c9f7d fix check_infinite_loop by checking for break or return inside loop body 2019-11-22 09:13:46 -08:00
flip1995
e3a74ed2b5
Set mir_opt_level=0 
This introduces some FNs. But a building Clippy is more important for now
 2019-11-22 14:25:44 +01:00
flip1995
cadc35af5a
Rustup to rust-lang/rust#66389 2019-11-22 13:47:33 +01:00
flip1995
3c308b86c8
Remove never_type feature 
Stablized in rust-lang/rust#65355
 2019-11-22 13:47:33 +01:00
Igor Aleksanov
bbb8cd4fbb Implement if_same_cond_fn lint 
Run ./util/dev

Revert changelog entry

Rename lint to same_functions_in_if_condition and add a doc example

Add testcases with different arg in fn invocation
 2019-11-20 06:54:46 +03:00
Manish Goregaokar
d183bda0be Rustup to rustc 1.41.0-nightly (d1da8023d 2019-11-19) 2019-11-19 00:32:35 -08:00
Manish Goregaokar
aa5a95f00c Rustup to rustc 1.41.0-nightly (a0d40f8bd 2019-11-18) 2019-11-18 23:49:58 -08:00
Andre Bogus
c21b198576 New lint: zst_offset 2019-11-15 22:39:27 +01:00
Florian Rohm
f8f7800b18 add new lint tabs in doc comments 2019-11-15 16:25:47 +01:00
Michael Wright
ceb0b2d41a literal repr: ignore more warnings in macros 2019-11-14 08:19:02 +02:00
Michael Wright
75e2dcf56b literal representation: simplification 
Simplify calculation in grouping. Add test case to ensure `count()`
can't be zero in that branch.
 2019-11-14 07:42:04 +02:00
Areredify
7fddac0404 Add new lint: large stack array 
added documentation

minor style fix

change as to ::from

add ignore to doc

include threshold in lint message/make suggestion more apparent/use Scalar api instead of matching

style fix

shange snippet_opt to snippet
 2019-11-13 21:44:29 +03:00
Michael Wright
2d244d3358 literal representation restructure 4 
Simplify `grouping_hint` by splitting digits into parts and handling
one at a time.

Fixes #4762
 2019-11-13 08:27:19 +02:00
Andre Bogus
5f0f67375d no more must-use-candidate on trait impls 2019-11-12 23:36:22 +01:00
Andy Russell
add766493a
don't warn on CRLF in with_newline lints 2019-11-12 08:50:22 -05:00
bors
2646b108d5 Auto merge of #4803 - tomprogrammer:issue-4732, r=phansch 
Fix false positive in explicit_counter_loop lint

When the counter was used in a closure after the loop the lint didn't detect the
usage of the counter correctly.

changelog: Fix false positive in `explicit_counter_loop`

Fixes #4732
 2019-11-11 19:24:20 +00:00
Manish Goregaokar
e9a3e54910 MutImmutable -> Immutable, MutMutable -> Mutable, CaptureClause -> CaptureBy 2019-11-11 10:58:39 -08:00
bors
79d3b30cd7 Auto merge of #4801 - mikerite:to_digit_is_some, r=flip1995 
To digit is some

Add a lint that recommends replacing `to_digit().is_some()` with `is_digit()` on `char`s

changelog: Add lint `to_digit_is_some`
 2019-11-11 11:28:27 +00:00
Thomas Bahn
c88afce6fc Fix false positive in explicit_counter_loop lint 
When the counter was used in a closure after the loop the lint didn't detect the
usage of the counter correctly.
 2019-11-11 11:36:53 +01:00
Philipp Hansch
78b7e8544b
Fix false positive in derive_hash_xor_eq 
This fixes a false positive in derive_hash_xor_eq where the lint was
triggering on user-defined traits called `Hash`.
 2019-11-11 07:59:53 +01:00
bors
338f5e6801 Auto merge of #4780 - flip1995:ice_4775, r=phansch 
Fix ICE #4775

Fixes #4775

changelog: Fix ICE with const_generics
 2019-11-11 06:23:27 +00:00
Michael Wright
5817a4fa06 Add to_digit_is_some lint 2019-11-10 15:52:59 +02:00
msizanoen1
805fef0301 Only pass rlibs in target deps directory 2019-11-10 11:14:29 +07:00
bors
692b260c34 Auto merge of #4786 - msizanoen1:target-libs, r=Manishearth 
Add the TARGET_LIBS environment variable for rustc CI testing

Needed to fix the test failure in rust-lang/rust#66158.

See https://github.com/rust-lang/rust/pull/66158#issuecomment-550585396

r? @Manishearth

changelog: none
 2019-11-08 22:58:33 +00:00
msizanoen1
7d2e813634 Add target libs directory to search path 2019-11-08 12:54:28 +07:00
Michael Wright
cc6e27fa71 Put ice test auxiliary fix in right place 2019-11-08 07:18:12 +02:00
Michael Wright
9c48a2c39a Merge branch 'master' into fix-4727 2019-11-08 07:15:16 +02:00
bors
4be144af87 Auto merge of #4697 - Licenser:no-exit, r=flip1995 
restriction lint for `std::process::exit`

Addition to #4655 - adds the lint checking for `std::process::exit`

changelog: add restriction lint for `std::process::exit`
 2019-11-07 22:05:51 +00:00
Manish Goregaokar
4721f4419b Remove clippy dependency in lint_without_lint_pass 2019-11-07 12:53:36 -08:00
Manish Goregaokar
fe90b82951 Remove clippy_lints from useless attribute test 2019-11-07 12:53:36 -08:00
Heinz N. Gies
5e6017d193 Update tests for exit 2019-11-07 17:11:06 +01:00
Heinz N. Gies
ffcf4bec0f Improve function checking 2019-11-07 17:10:18 +01:00
Heinz N. Gies
9471669e46 Exclude main from exit lint 2019-11-07 17:10:18 +01:00
Heinz N. Gies
695aa59c6d Add lint for exit 2019-11-07 17:10:18 +01:00
msizanoen1
52f9927ff5 Add the TARGET_LIBS environment variable for rustc CI testing 2019-11-07 22:48:14 +07:00