Commit Graph

882 Commits

Author SHA1 Message Date
Ryan Levick
611b74e1fe Add support for using qualified paths with structs in expression and pattern
position.
2021-06-10 13:18:41 +02:00
Cameron Steffen
b792bb301c Factor out match_var 2021-06-09 09:47:42 -05:00
bors
da0538eaca Auto merge of #7330 - xFrednet:0000-refactor-map-identity, r=flip1995
Refactoring identity function lints

I've noticed that we have several lints that all check for identity functions and each used their own check implementation. I moved the `is_expr_identity_function` function to `clippy_utils` and adapted all lints to reuse that one function. This should make the addition of new lints like this also easier in the future.

I've also moved the `map_identity` lint into the `methods` module. It's probably the best to review this PR by checking each commit individually. And that's it, have a great day 🙃

changelog: none
2021-06-09 08:27:05 +00:00
bors
07217e3370 Auto merge of #7262 - Jarcho:while_let_on_iter_closure, r=xFrednet,flip1995
fix `while_let_on_iterator` suggestion in a closure

fixes: #7249

A future improvement would be to check if the closure is being used as `FnOnce`, in which case the original suggestion would be correct.

changelog: Suggest `&mut iter` inside a closure for `while_let_on_iterator`
2021-06-08 15:52:40 +00:00
xFrednet
967d815a42 Extracting is_expr_identity_function into clippy_utils for reusability 2021-06-07 22:42:11 +02:00
Felix S. Klock II
b95e1f7b3d Revert clippy's path to the copy intrinsics (part of reverting PR 81238). 2021-06-04 16:44:28 -04:00
Mara Bos
25639101dd Don't treat cfg!() as a constant. 2021-06-04 10:47:03 +02:00
flip1995
6c27482115 Merge commit '3ae8faff4d46ad92f194c2a4b941c3152a701b31' into clippyup 2021-06-03 08:41:37 +02:00
Jason Newcomb
cfddf0927b
Fix type checks for manual_str_repeat 2021-05-31 09:37:13 -04:00
Jason Newcomb
97311f0906
Add lint manual_str_repeat 2021-05-30 23:26:48 -04:00
Cameron Steffen
f3e77a454a Fix allow on some statement lints 2021-05-26 22:07:53 -05:00
mbartlett21
0c017ea058 Remove semicolons in clippy_utils 2021-05-25 02:12:27 +00:00
Cameron Steffen
7f340578cc Hash Symbol directly 2021-05-24 10:51:40 -05:00
Cameron Steffen
9d61b4e081 Fix SpanlessEq for GenericArg::Const 2021-05-24 10:51:40 -05:00
Pietro Albini
91aa821745 remove cfg(bootstrap) 2021-05-24 11:07:48 -04:00
Cameron Steffen
0ebd5018bf Add a short-circuiting case 2021-05-24 09:48:05 -05:00
Cameron Steffen
24743b3968 Use UnhashMap 2021-05-24 09:48:05 -05:00
Cameron Steffen
f21d909e62 Use FxHasher 2021-05-24 09:31:11 -05:00
Cameron Steffen
27ac647649 Use discriminant instead of stable_hash 2021-05-24 09:31:09 -05:00
Cameron Steffen
e027b6bc49 Minor SpanlessHash improvements 2021-05-24 09:30:52 -05:00
Jason Newcomb
7db0e4f791
Suggest &mut iter inside a closure for while_let_on_iterator 2021-05-21 12:27:40 -04:00
Jason Newcomb
f355aebf10
Move needless_borrow to style 2021-05-21 11:24:52 -04:00
Jason Newcomb
6d4dc35882
Improve needless_borrow lint
Suggest changing usages of ref bindings to match the new type
Split out some cases into new lint `ref_binding_to_reference`
2021-05-20 09:03:47 -04:00
flip1995
97705b7ea6 Merge commit '9e3cd88718cd1912a515d26dbd9c4019fd5a9577' into clippyup 2021-05-20 13:07:57 +02:00
flip1995
451ff5668b
Merge remote-tracking branch 'upstream/master' into rustup 2021-05-20 12:05:02 +02:00
flip1995
9586ddb046
Fix fallout from not ignoring warnings anymore 2021-05-18 11:08:19 +02:00
flip1995
ff452d5ba6
Deny warning in every main sub-crate
This enables the same warnings that are enabled in `clippy_lints` also
in `clippy_utils` and `clippy_dev`. Then it makes sure, that the
`deny-warnings` feature is passed down to `clippy_lints` and
`clippy_utils` when compiling Clippy.
2021-05-18 11:05:48 +02:00
bors
1aad7541db Auto merge of #7223 - ThibsG:FpUselessConversion7205, r=camsteffen
Fix FPs about generic args

Fix 2 false positives in [`use_self`] and [`useless_conversion`] lints, by taking into account generic args and comparing them.

Fixes: #7205
Fixes: #7206

changelog: Fix FPs about generic args in [`use_self`] and [`useless_conversion`] lints
2021-05-17 17:40:48 +00:00
ThibsG
2fb35ce4f0 Add generic args for comparison in use_self and useless_conversion lints 2021-05-17 17:27:16 +02:00
Jason Newcomb
4713e25ab0
Cleanup of while_let_on_iterator 2021-05-12 21:51:19 -04:00
Jason Newcomb
daca50a515
Improvements to while_let_on_iterator
* Suggest `&mut iter` when the iterator is used after the loop.
* Suggest `&mut iter` when the iterator is a field in a struct.
* Don't lint when the iterator is a field in a struct, and the struct is
used in the loop.
* Lint when the loop is nested in another loop, but suggest `&mut iter`
unless the iterator is from a local declared inside the loop.
2021-05-12 21:49:22 -04:00
Camille GILLOT
b03b74734b Use () for entry_fn. 2021-05-12 13:58:42 +02:00
Aaron Hill
ab73020d40 Implement span quoting for proc-macros
This PR implements span quoting, allowing proc-macros to produce spans
pointing *into their own crate*. This is used by the unstable
`proc_macro::quote!` macro, allowing us to get error messages like this:

```
error[E0412]: cannot find type `MissingType` in this scope
  --> $DIR/auxiliary/span-from-proc-macro.rs:37:20
   |
LL | pub fn error_from_attribute(_args: TokenStream, _input: TokenStream) -> TokenStream {
   | ----------------------------------------------------------------------------------- in this expansion of procedural macro `#[error_from_attribute]`
...
LL |             field: MissingType
   |                    ^^^^^^^^^^^ not found in this scope
   |
  ::: $DIR/span-from-proc-macro.rs:8:1
   |
LL | #[error_from_attribute]
   | ----------------------- in this macro invocation
```

Here, `MissingType` occurs inside the implementation of the proc-macro
`#[error_from_attribute]`. Previosuly, this would always result in a
span pointing at `#[error_from_attribute]`

This will make many proc-macro-related error message much more useful -
when a proc-macro generates code containing an error, users will get an
error message pointing directly at that code (within the macro
definition), instead of always getting a span pointing at the macro
invocation site.

This is implemented as follows:
* When a proc-macro crate is being *compiled*, it causes the `quote!`
  macro to get run. This saves all of the sapns in the input to `quote!`
  into the metadata of *the proc-macro-crate* (which we are currently
  compiling). The `quote!` macro then expands to a call to
  `proc_macro::Span::recover_proc_macro_span(id)`, where `id` is an
opaque identifier for the span in the crate metadata.
* When the same proc-macro crate is *run* (e.g. it is loaded from disk
  and invoked by some consumer crate), the call to
`proc_macro::Span::recover_proc_macro_span` causes us to load the span
from the proc-macro crate's metadata. The proc-macro then produces a
`TokenStream` containing a `Span` pointing into the proc-macro crate
itself.

The recursive nature of 'quote!' can be difficult to understand at
first. The file `src/test/ui/proc-macro/quote-debug.stdout` shows
the output of the `quote!` macro, which should make this eaier to
understand.

This PR also supports custom quoting spans in custom quote macros (e.g.
the `quote` crate). All span quoting goes through the
`proc_macro::quote_span` method, which can be called by a custom quote
macro to perform span quoting. An example of this usage is provided in
`src/test/ui/proc-macro/auxiliary/custom-quote.rs`

Custom quoting currently has a few limitations:

In order to quote a span, we need to generate a call to
`proc_macro::Span::recover_proc_macro_span`. However, proc-macros
support renaming the `proc_macro` crate, so we can't simply hardcode
this path. Previously, the `quote_span` method used the path
`crate::Span` - however, this only works when it is called by the
builtin `quote!` macro in the same crate. To support being called from
arbitrary crates, we need access to the name of the `proc_macro` crate
to generate a path. This PR adds an additional argument to `quote_span`
to specify the name of the `proc_macro` crate. Howver, this feels kind
of hacky, and we may want to change this before stabilizing anything
quote-related.

Additionally, using `quote_span` currently requires enabling the
`proc_macro_internals` feature. The builtin `quote!` macro
has an `#[allow_internal_unstable]` attribute, but this won't work for
custom quote implementations. This will likely require some additional
tricks to apply `allow_internal_unstable` to the span of
`proc_macro::Span::recover_proc_macro_span`.
2021-05-12 00:51:31 -04:00
flip1995
d605882023 Merge commit 'b71f3405606d49b9735606b479c3415a0ca9810f' into clippyup 2021-05-06 12:20:44 +02:00
flip1995
d481b38634
Bump Clippy version -> 0.1.54 2021-05-06 11:32:34 +02:00
flip1995
767cc7cd89
Merge remote-tracking branch 'upstream/master' into rustup 2021-05-06 11:32:03 +02:00
xFrednet
e0eb29c936 Applying PR suggestions (mostly typos)
Co-authored-by: flip1995 <hello@philkrones.com>
Co-authored-by: phansch <dev@phansch.net>
2021-05-05 18:58:57 +02:00
xFrednet
4fc960301b Metadata collection: Rounding up the implementation 2021-05-05 18:38:26 +02:00
xFrednet
35844d0a48 Metadata collection: Resolve lint from locals 2021-05-05 18:35:33 +02:00
xFrednet
6658db1044 Metadata collection: processing emission closures (417/455) 2021-05-05 18:35:33 +02:00
xFrednet
ee8a99a114 Metadata collection: Collecting Applicability assign values 2021-05-05 18:35:33 +02:00
xFrednet
8dca1b8f61 Metadata collection: Collecting Applicability assign values 2021-05-05 18:35:33 +02:00
xFrednet
060e0e9f93 Metadata collection lint: Basic applicability collection 2021-05-05 18:35:33 +02:00
Cameron Steffen
1c3c54a6ef SpanlessHash Pat 2021-05-04 08:43:20 -05:00
Christiaan Dirkx
ee6d1a35ba Change std::sys::unix::ext::fs::PermissionsExt::from_mode to std::os:👿:unix::fs::PermissionsExt::from_mode in Clippy 2021-05-03 16:56:22 +02:00
bors
5e49c4bd67 Auto merge of #6951 - Jarcho:implicit_return_fp, r=flip1995
`implicit_return` improvements

fixes: #6940

changelog: Fix `implicit_return` suggestion for async functions
changelog: Improve `implicit_return` suggestions when returning the result of a macro
changelog: Check for `break` expressions inside a loop which are then implicitly returned
changelog: Allow all diverging functions in `implicit_return`, not just panic functions
2021-04-30 14:55:56 +00:00
Charles Lew
2f494557ba Implement RFC 1260 with feature_name imported_main. 2021-04-29 08:35:08 +08:00
flip1995
ae72f1adb9 Merge commit '7c7683c8efe447b251d6c5ca6cce51233060f6e8' into clippyup 2021-04-27 16:55:11 +02:00
bors
7c7683c8ef Auto merge of #7128 - Jarcho:const_fn_ice, r=flip1995
Fix ICE checking for feature gated const fn

fixes: #7126
changelog: Fix ICE in `missing_const_for_fn` when using a feature-gated `const fn`
2021-04-27 14:21:11 +00:00
Cameron Steffen
340b570ea0 Refactor MSRV aliases 2021-04-26 16:07:48 -05:00
Jason Newcomb
db7ad648e7
Fix ICE checking for feature gated const fn 2021-04-25 10:18:15 -04:00
Jason Newcomb
ef9ad80617
Add examples to better explain walk_span_to_context 2021-04-22 09:36:46 -04:00
Jason Newcomb
74cf5f2fc6
Fix implicit_return suggestion for async functions 2021-04-22 09:36:32 -04:00
Jason Newcomb
22f8c13cf5
Improve implicit_return
Better suggestions when returning macro calls.
Suggest changeing all the break expressions in a loop, not just the final statement.
Don't lint divergent functions.
Don't suggest returning the result of any divergent fuction.
2021-04-22 09:13:06 -04:00
flip1995
02bf692169 Merge commit '98e2b9f25b6db4b2680a3d388456d9f95cb28344' into clippyup 2021-04-22 11:31:13 +02:00
bors
bbc22e2ef3 Auto merge of #7083 - GuillaumeGomez:bool-assert-eq, r=camsteffen
Add lint to check for boolean comparison in assert macro calls

This PR adds a lint to check if an assert macro is using a boolean as "comparison value". For example:

```rust
assert_eq!("a".is_empty(), false);
```

Could be rewritten as:

```rust
assert!(!"a".is_empty());
```

PS: The dev guidelines are amazing. Thanks a lot for writing them!

changelog: Add `bool_assert_comparison` lint
2021-04-21 13:58:53 +00:00
Guillaume Gomez
e2e104b993 Add lint to check for boolean comparison in assert macro calls 2021-04-19 22:15:51 +02:00
Cameron Steffen
5af078ac1b Add flat_map_option lint 2021-04-16 15:23:49 -05:00
bors
eaf0f3df15 Auto merge of #7075 - xFrednet:7054-fp-branches-sharing-code, r=camsteffen,flip1995
Fixing FPs for the `branches_sharing_code` lint

Fixes #7053
Fixes #7054
And an additional CSS adjustment to support dark mode for every inline code. It currently only works in paragraphs, which was an oversight on my part 😅. [Current Example](https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name)

This also includes ~50 lines of doc comments and is therefor not as big as the changes would indicate. 🐧

---

changelog: none

All of these bugs were introduced in this dev version and are therefor not worth a change log entry.

r? `@phansch`
cc: `@camsteffen` since you have a pretty good overview of the `SpanlessEq` implementation 🙃
2021-04-16 18:33:45 +00:00
Cameron Steffen
b049c88fbe Eat dogfood 2021-04-16 11:39:31 -05:00
Cameron Steffen
0462666c70 Add cloned_instead_of_copied lint 2021-04-16 11:39:31 -05:00
bors
1e0a3ff55c Auto merge of #6937 - Jarcho:map_entry_suggestion, r=giraffate
Improve `map_entry` suggestion

fixes: #5176
fixes: #4674
fixes: #4664
fixes: #1450

Still need to handle the value returned by `insert` correctly.

changelog: Improve `map_entry` suggestion. Will now suggest `or_insert`, `insert_with` or `match _.entry(_)` as appopriate.
changelog: Fix `map_entry` false positives where the entry api can't be used. e.g. when the map is used for multiple things.
2021-04-16 13:23:23 +00:00
Jason Newcomb
f6c5d8d599
Remove all usages of match_path, match_qpath and match_path_ast except the author lint.
Add note to fix `MATCH_TYPE_ON_DIAG_ITEM`
Add false negative test for `uninit_assumed_init`
2021-04-15 19:27:25 -04:00
Jason Newcomb
bcf3488007
Minor cleanup of map_entry and a few additional tests. 2021-04-15 08:25:24 -04:00
Jason Newcomb
3323ff7145
map_entry improvements
Suggest using `or_insert_with` when possible
2021-04-15 08:22:40 -04:00
Jason Newcomb
ce5e927713
Improve map_entry lint
Fix false positives where the map is used before inserting into the map.
Fix false positives where two insertions happen.
Suggest using `if let Entry::Vacant(e) = _.entry(_)` when `or_insert` might be a semantic change
2021-04-15 08:19:40 -04:00
xFrednet
0b4af7257d PR suggestions and removing utils::parent_node_is_if_expr 2021-04-14 20:11:08 +02:00
xFrednet
2992b19c82 Added inferred local type comparion to SpanlessEq 2021-04-14 20:06:26 +02:00
xFrednet
cbde4f2c67 parent_node_is_if_expr now also recognizes if let as parent if 2021-04-14 20:06:26 +02:00
bors
19740d9334 Auto merge of #7076 - rail-rain:missing_const_for_fn, r=phansch
Fix a FP in `missing_const_for_fn`

where a function that calls a standard library function whose constness
is unstable is considered as being able to be a const function. Fixes #5995.

The core change is the move from `rustc_mir::const_eval::is_min_const_fn` to `rustc_mir::const_eval::is_const_fn`. I'm not clear about the difference in their purpose between them so I'm not sure if it's acceptable to call `qualify_min_const_fn::is_min_const_fn` this way now.

---

changelog: `missing_const_for_fn`: No longer lints when an unstably const function is called
2021-04-14 04:39:25 +00:00
rail
26a1989041 Fix a FP in missing_const_for_fn
where a function that calls a standard library function whose constness
is unstable is considered as being able to be a const function
2021-04-14 09:23:44 +12:00
Cameron Steffen
76bd5d232c Refactor diagnostic item methods 2021-04-13 14:10:40 -05:00
boxdot
d6beb18411
Remove paths::STD_PTR_NULL 2021-04-12 18:35:47 +02:00
bors
aecccbc579 Auto merge of #7047 - camsteffen:lang-ctor, r=flip1995
Introduce `is_lang_ctor`

changelog: none

Replaces `is_some_ctor` and `is_ok_ctor`. Removes many path usages.
2021-04-12 08:52:10 +00:00
Cameron Steffen
a45faf66f3 Deprecate filter_map 2021-04-10 16:59:59 -05:00
bors
75efc144e7 Auto merge of #7023 - boxdot:invalid-null-usage-v2, r=camsteffen
Invalid null usage v2

This is continuation of #6192 after inactivity.

I plan to move paths into the compiler as diagnostic items after this is merged.

fixes #1703
changelog: none
2021-04-08 21:00:48 +00:00
boxdot
4f7fc11ef1
Add invalid null pointer usage lint. 2021-04-08 22:49:48 +02:00
flip1995
f6d1f368db Merge commit 'b40ea209e7f14c8193ddfc98143967b6a2f4f5c9' into clippyup 2021-04-08 17:50:13 +02:00
flip1995
ffa2b7da29
Merge remote-tracking branch 'upstream/master' into rustup 2021-04-08 17:36:41 +02:00
Dylan DPC
cde58f7174 Rollup merge of #83916 - Amanieu:asm_anonconst, r=petrochenkov
Use AnonConst for asm! constants

This replaces the old system which used explicit promotion. See #83169 for more background.

The syntax for `const` operands is still the same as before: `const <expr>`.

Fixes #83169

Because the implementation is heavily based on inline consts, we suffer from the same issues:
- We lose the ability to use expressions derived from generics. See the deleted tests in `src/test/ui/asm/const.rs`.
- We are hitting the same ICEs as inline consts, for example #78174. It is unlikely that we will be able to stabilize this before inline consts are stabilized.
2021-04-07 13:07:14 +02:00
Cameron Steffen
7468542328 Introduce is_lang_ctor 2021-04-06 15:05:00 -05:00
Cameron Steffen
47f0c15f67 Symbol optimizations 2021-04-06 13:00:36 -05:00
bors
624e8aad32 Auto merge of #7044 - camsteffen:match-path, r=Manishearth
Soft deprecate match_path and match_qpath

changelog: none

From zulip [disucssion](https://rust-lang.zulipchat.com/#narrow/stream/257328-clippy/topic/match_.5Bq.5Dpath.20is.20bad.3F).
2021-04-06 17:41:34 +00:00
Cameron Steffen
a342de3bcb Soft deprecate match_path and match_qpath 2021-04-06 11:46:27 -05:00
Cameron Steffen
79d3082cd7 Remove paths::PATH_BUF 2021-04-06 11:33:59 -05:00
Cameron Steffen
1efb551369 Remove get_node_span 2021-04-06 11:33:59 -05:00
Amanieu d'Antras
879bfeca54 Use AnonConst for asm! constants 2021-04-06 12:35:41 +01:00
xFrednet
a6f54f5dfd Renaming the lint to branches_sharing_code and fixing typos 2021-04-05 13:35:51 +02:00
xFrednet
617c65baa9 Moving shared_code_in_if_blocks to clippy::complexity and running lintcheck 2021-04-05 13:35:51 +02:00
xFrednet
c74e49eab9 Adapted the lint to use the new SpanlessEq 2021-04-05 13:35:51 +02:00
xFrednet
d1df73228a A new lint for shared code in if blocks
* Added expression check for shared_code_in_if_blocks
* Finishing touches for the shared_code_in_if_blocks lint
* Applying PR suggestions
* Update lints yay
* Moved test into subfolder
2021-04-05 13:33:45 +02:00
xFrednet
232e2b79f2 Added documentation to the multispan_sugg method 2021-04-05 13:33:45 +02:00
Cameron Steffen
6f31ed6c8d Use DefIdMap and similar aliases 2021-04-03 18:02:49 -05:00
Roxane
2ca5368628 fix clippy error 2021-04-02 19:11:51 -04:00
Cameron Steffen
33798bb064 Improve needless_collect output 2021-04-02 10:10:54 -05:00
bors
1931db20b1 Auto merge of #6988 - mikerite:fix-6984, r=camsteffen
Fix hidden variant suggestion on single variant

Fixes #6984

changelog: Fix hidden variant suggestion on `match_wildcard_for_single_variants`
2021-04-02 12:42:40 +00:00
Yoshitomo Nakanishi
6325fe1f54 clippy_utils: fix needless parenthesis output from sugg::Sugg::maybe_par 2021-04-01 10:40:44 +09:00
Michael Wright
8abab5561c Fix hidden variant suggestion on single variant
Fixes #6984
2021-03-31 07:36:09 +02:00
bors
4be72b0936 Auto merge of #7001 - ebobrow:non-octal-file-permissions, r=Manishearth
Add non_octal_unix_permissions lint

fixes #6934

changelog: add new lint that checks for non-octal values used to set unix file permissions
2021-03-30 23:23:50 +00:00
Elliot Bobrow
7fcd155712 Add non_octal_unix_permissions lint 2021-03-30 16:04:16 -07:00
Camille GILLOT
d121b34e99 Remove hir::CrateItem. 2021-03-30 20:31:06 +02:00
Jason Newcomb
fa689f865e
Fix manual_map at the end of an if chain 2021-03-30 09:58:23 -04:00
Josh Stone
0dddfbf9bf Use iter::zip in src/tools/clippy/ 2021-03-26 09:33:38 -07:00
flip1995
9f6b5de7de Merge commit '0e87918536b9833bbc6c683d1f9d51ee2bf03ef1' into clippyup 2021-03-25 19:29:11 +01:00
flip1995
40e68e5956
Bump Clippy Version -> 0.1.53 2021-03-25 18:48:48 +01:00
flip1995
1f5f184105
Merge remote-tracking branch 'upstream/master' into rustup 2021-03-25 18:38:13 +01:00
Jason Newcomb
6e88900f9e
Rename contains_adt to contains_adt_constructor 2021-03-24 16:23:02 -04:00
Jason Newcomb
99b8a67198
Fix false positive with new_ret_no_self when returning Self with different generic arguments 2021-03-24 16:22:28 -04:00
kadmin
e06731bb28 Add has_default to GenericParamDefKind::Const
This currently creates a field which is always false on GenericParamDefKind for future use when
consts are permitted to have defaults

Update const_generics:default locations

Previously just ignored them, now actually do something about them.

Fix using type check instead of value

Add parsing

This adds all the necessary changes to lower const-generics defaults from parsing.

Change P<Expr> to AnonConst

This matches the arguments passed to instantiations of const generics, and makes it specific to
just anonymous constants.

Attempt to fix lowering bugs
2021-03-23 17:16:20 +00:00
Cameron Steffen
9132dbdf31 Factor out eq_ty_kind 2021-03-23 10:49:12 -05:00
bors
2bc180e888 Auto merge of #79278 - mark-i-m:stabilize-or-pattern, r=nikomatsakis
Stabilize or_patterns (RFC 2535, 2530, 2175)

closes #54883

This PR stabilizes the or_patterns feature in Rust 1.53.

This is blocked on the following (in order):
- [x] The crater run in https://github.com/rust-lang/rust/pull/78935#issuecomment-731564021
- [x] The resolution of the unresolved questions and a second crater run (https://github.com/rust-lang/rust/pull/78935#issuecomment-735412705)
    - It looks like we will need to pursue some sort of edition-based transition for `:pat`.
- [x] Nomination and discussion by T-lang
- [x] Implement new behavior for `:pat` based on consensus (https://github.com/rust-lang/rust/pull/80100).
- [ ] An FCP on stabilization

EDIT: Stabilization report is in https://github.com/rust-lang/rust/pull/79278#issuecomment-772815177
2021-03-22 19:48:27 +00:00
lcnr
731c98b16b update const_eval_resolve 2021-03-20 17:22:24 +01:00
mark
d2f0b27f0a clippy: stabilize or_patterns lint 2021-03-19 19:45:42 -05:00
bors
4d686196b9 Auto merge of #6863 - Jarcho:wild_enum_match, r=llogiq
`match_wildcard` improvements

fixes: #6604
fixes: #5733
fixes: #6862

#5733 is only fixed in the normal case, if different paths are used for the variants then the same problem will occur. It's cause by `def_path_str` returning an utterly useless result. I haven't dug into why yet.

For #6604 there should be some discussion before accepting this. It's easy enough to change the message rather than disable the lint for `Option` and `Result`.

changelog: Attempt to find a common path prefix for `match_wildcard_for_single_variants` and `wildcard_enum_match_arm`
changelog: Don't lint op `Option` and `Result` for `match_wildcard_for_single_variants` and `wildcard_enum_match_arm`
changelog: Consider `or` patterns and `Self` prefix for `match_wildcard_for_single_variants` and `wildcard_enum_match_arm`
2021-03-18 10:39:28 +00:00
Vadim Petrochenkov
2c4570c958 hir: Preserve used syntax in TyKind::TraitObject 2021-03-18 03:02:32 +03:00
Jason Newcomb
f468d82283
Fix manual_map suggestion for if let.. else ... if let.. else chain 2021-03-17 12:57:42 -04:00
bors
56138ad789 Auto merge of #83188 - petrochenkov:field, r=lcnr
ast/hir: Rename field-related structures

I always forget what `ast::Field` and `ast::StructField` mean despite working with AST for long time, so this PR changes the naming to less confusing and more consistent.

- `StructField` -> `FieldDef` ("field definition")
- `Field` -> `ExprField` ("expression field", not "field expression")
- `FieldPat` -> `PatField` ("pattern field", not "field pattern")

Various visiting and other methods working with the fields are renamed correspondingly too.

The second commit reduces the size of `ExprKind` by boxing fields of `ExprKind::Struct` in preparation for https://github.com/rust-lang/rust/pull/80080.
2021-03-17 16:49:46 +00:00
Jason Newcomb
0b7ab90eca
Improvements to match_wildcard_for_single_variants and wildcard_enum_match_arm lints
Don't lint on `Result` and `Option` types.
Considers `or` patterns.
Considers variants prefixed with `Self`
Suggestions will try to find a common prefix rather than just using the full path
2021-03-17 12:04:11 -04:00
flip1995
bdf2dceec1
Get rid of some unused dependecies 2021-03-16 14:51:57 +01:00
Vadim Petrochenkov
e72d28352c ast: Reduce size of ExprKind by boxing fields of ExprKind::Struct 2021-03-16 11:41:24 +03:00
Vadim Petrochenkov
35e8be7407 ast/hir: Rename field-related structures
StructField -> FieldDef ("field definition")
Field -> ExprField ("expression field", not "field expression")
FieldPat -> PatField ("pattern field", not "field pattern")

Also rename visiting and other methods working on them.
2021-03-16 11:41:24 +03:00
bors
1a206fc4ab Auto merge of #6915 - smoelius:docs-link, r=llogiq
Do not show docs link when lint doesn't start with "clippy::"

This small change ensures that if the diagnostic functions are called from outside of Clippy, a docs link is not displayed.

---

*Please write a short comment explaining your change (or "none" for internal only changes)*
changelog: restrict docs links
2021-03-16 07:08:48 +00:00
Cameron Steffen
1c3a3e7dc6 Don't re-export clippy_utils::diagnostics::* 2021-03-15 20:06:01 -05:00
Cameron Steffen
6fc52a63d1 Move some utils to clippy_utils::source module 2021-03-15 15:34:15 -05:00
Cameron Steffen
eb7f8d6089 Move some utils to ty_utils 2021-03-15 13:44:09 -05:00
Roxane
7926664876 Add comments with examples and tests 2021-03-15 13:16:04 -04:00
Cameron Steffen
59dba04ccb Improve find_binding_init docs 2021-03-15 08:56:14 -05:00
Samuel E. Moelius III
f7c5742ca6 Do not show docs link when lint doesn't start with "clippy::" 2021-03-15 05:40:21 -04:00
Roxane
0ab2bcd182 Add fake_read() to clippy 2021-03-14 19:45:24 -04:00
Ben Boeckel
ecf0c76c36 Fix suspicious_map false positives 2021-03-14 16:31:55 -05:00
bors
92b9677864 Auto merge of #6820 - mgacek8:issue_6562_enhance_mem_replace_with_default_with_other_ctors, r=phansch
mem_replace_with_default: recognize some std library ctors

fixes #6562
changelog: mem_replace_with_default: recognize some common constructors equivalent to `Default::default()`
2021-03-13 15:43:00 +00:00
Jason Newcomb
a261bc5fad
Make explicit_deref_methods check for multiple deref calls
Fix suggestion for `explicit_deref_methods`. Sometimes `&**` is needed, sometimes nothing is needed.
Allow `explicit_deref_methods` to trigger in a few new contexts.
`explicit_deref_methods` will now consider ufcs calls
2021-03-13 08:39:48 -05:00
Mateusz Gacek
41be515062 mem_replace_with_default: use diagnostic items intead of paths 2021-03-12 13:03:07 -08:00
Mateusz Gacek
c86ba7f92d mem_replace_with_default: recognize some std library ctors 2021-03-12 12:57:54 -08:00
Yoshitomo Nakanishi
93ee80ac3e Use sym::Iterator instead of paths::ITERATOR 2021-03-13 02:10:54 +09:00
flip1995
f2f2a005b4 Merge commit '6ed6f1e6a1a8f414ba7e6d9b8222e7e5a1686e42' into clippyup 2021-03-12 15:30:50 +01:00
flip1995
9c1dd0c227
Fix remaining dogfood errors (internal lints) 2021-03-11 10:57:49 +01:00
flip1995
78c740e2f3
Merge remote-tracking branch 'upstream/master' into rustup 2021-03-11 10:37:58 +01:00
bors
36a27ecaac Auto merge of #79519 - cjgillot:noattr, r=wesleywiser
Store HIR attributes in a side table

Same idea as #72015 but for attributes.
The objective is to reduce incr-comp invalidations due to modified attributes.
Notably, those due to modified doc comments.

Implementation:
- collect attributes during AST->HIR lowering, in `LocalDefId -> ItemLocalId -> &[Attributes]` nested tables;
- access the attributes through a `hir_owner_attrs` query;
- local refactorings to use this access;
- remove `attrs` from HIR data structures one-by-one.

Change in behaviour:
- the HIR visitor traverses all attributes at once instead of parent-by-parent;
- attribute arrays are sometimes duplicated: for statements and variant constructors;
- as a consequence, attributes are marked as used after unused-attribute lint emission to avoid duplicate lints.

~~Current bug: the lint level is not correctly applied in `std::backtrace_rs`, triggering an unused attribute warning on `#![no_std]`. I welcome suggestions.~~
2021-03-10 08:40:51 +00:00
Camille GILLOT
b32cffe493 Remove hir::Crate::attrs. 2021-03-09 19:22:55 +01:00
kadmin
cb8bc0b6e6 Switch to changing cp_non_overlap in tform
It was suggested to lower this in MIR instead of ssa, so do that instead.
2021-03-09 16:54:14 +00:00
kadmin
fb4dc5845b Update cranelift 2021-03-09 16:54:14 +00:00
kadmin
6f60dd884e Update match branches
This updates all places where match branches check on StatementKind or UseContext.
This doesn't properly implement them, but adds TODOs where they are, and also adds some best
guesses to what they should be in some cases.
2021-03-09 16:54:13 +00:00
bors
8a5f98a0e4 Auto merge of #6866 - anall:ice6840, r=flip1995
Fix ICE 6840 - make is_normalizable more strict

fixes #6840

make `is_normalizable` more strict, which should catch this ICE and related cases

changelog: Fix ICE in [`zero_sized_map_values`]
2021-03-09 14:58:24 +00:00
Andrea Nall
9707599714 add comment for when can be removed 2021-03-09 08:30:33 -06:00
bors
627e910fe5 Auto merge of #6868 - Jarcho:lang_item, r=flip1995
Don't assume lang items will exist.

~~Should fix lintcheck warnings caused by #6823~~
See below

changelog: None
2021-03-09 14:28:49 +00:00
bors
3ed0bccb70 Auto merge of #6873 - Y-Nak:refactor-casts-lint, r=flip1995
Refactor casts lint

Ref: #6724

Changes:
1. Separate the `casts` group from the `types` group.
2. Reorganize the lints of the `casts` group into their own modules.

Notes:
1. I didn't `fix` #6874 in order to maintain this PR as small as possible.

---
changelog: none
2021-03-09 12:43:20 +00:00
Andrea Nall
e812a8abde use .all instead of negative use of .any 2021-03-08 23:08:52 -06:00
Andrea Nall
e322c773e3 use TyS::walk 2021-03-08 23:03:45 -06:00
Yoshitomo Nakanishi
360f065404 Move 'is_isize_or_usize' to clippy_utils 2021-03-09 11:08:45 +09:00
Daniel McNab
c4e2cf9601 Opt-in to rustc_private for rust-analyzer
rust-analyzer/rust-analyzer#7891
2021-03-08 17:39:51 +00:00
Jason Newcomb
f2d917e3b1
Don't assume lang items will exist. 2021-03-08 11:08:52 -05:00
Andrea Nall
b27cbda32b make is_normalizable more strict 2021-03-07 21:45:54 -06:00
Andrea Nall
9bdc273f03 relocate functions from clippy_lints::types
relocate `is_ty_param_lang_item` and `is_ty_param_diagnostic_item` to `clippy_utils`
2021-03-07 17:58:39 -06:00
Andrea Nall
3877a410be migrate paths to newly-added diagnostic items
This gets rid of the following paths:
  * OS_STRING
  * TO_OWNED
  * TO_STRING

Also removes some usages of:
  * PATH_BUF

And the now completely unused `clippy_lints::types::is_ty_param_path`
2021-03-07 17:53:12 -06:00
Jason Newcomb
47145dec36
len_without_is_empty will now consider multiple impl blocks
`len_without_is_empty` will now consider `#[allow]` on both the `len` method, and the type definition
2021-03-07 09:40:18 -05:00
bors
5945e85f34 Auto merge of #6823 - Jarcho:diagnostic_items, r=phansch
Use diagnostic or language items instead of paths

I think that gets everything except ones used in a list of paths to check.

changelog: none
2021-03-07 12:04:42 +00:00
Oli Scherer
5b2e7e91c3 Shrink the size of Rvalue by 16 bytes 2021-03-05 09:33:01 +00:00
Jason Newcomb
39c5e86337
When checking if two empty hir blocks are equal also check to see if the tokens used are the same as well 2021-03-04 11:06:24 -05:00
bors
ece3543c9f Auto merge of #6801 - Jarcho:manual_match_fix, r=phansch
Fix `manual_map` false positives

fixes: #6795
fixes: #6797
fixes: #6811
fixes: #6819

changelog: Fix false positives for `manual_map` when `return`, `break`, `continue`, `yield`, `await`, and partially moved values are used.
changelog: Don't expand macros in suggestions  for `manual_map`
2021-03-02 15:36:00 +00:00
Jason Newcomb
f21320fd74
Use diagnostic or language items instead of paths 2021-03-01 23:10:51 -05:00
Cameron Steffen
ada8c72f3f Add version = "Two" to rustfmt.toml
Ignore UI tests since this change makes rustfmt less friendly with UI
test comments.
2021-03-01 16:17:33 -06:00
Cameron Steffen
7984e60d9e Use diagnostic items in into_iter_collections 2021-03-01 09:04:11 -06:00
Jason Newcomb
a3278a16d3
Fix manual_map: do not expand macros in suggestions 2021-02-28 09:13:24 -05:00
Cameron Steffen
2b3a731e1c Add missing diagnostic item Symbols 2021-02-26 22:12:36 -06:00
Andrea Nall
3d3cfd3754 added new lint implicit_clone 2021-02-26 19:13:47 -06:00
Jason Newcomb
ef87e58993
Fix manual_map: don't lint when partially moved values are used.
Fix `manual_map`: don't lint when `return`, `break`, and `continue` are used.
2021-02-26 16:24:25 -05:00
flip1995
f64149dd04 Merge commit '928e72dd10749875cbd412f74bfbfd7765dbcd8a' into clippyup 2021-02-25 11:25:22 +01:00
flip1995
c6408a47bd
Merge remote-tracking branch 'upstream/master' into rustup 2021-02-25 10:40:00 +01:00
Samuel E. Moelius III
8047458f40 Move conf.rs back into clippy_lints 2021-02-24 06:21:46 -05:00
Samuel E. Moelius III
ab7381f085 Move declare_clippy_lint back into clippy_lints 2021-02-23 18:50:30 -05:00
Samuel E. Moelius
33ee598a9f Update clippy_utils/Cargo.toml
Co-authored-by: Philipp Krones <hello@philkrones.com>
2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
50e3ef9eb5 Remove file accidentally re-added during rebase 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
979206f6b4 Fix doc test 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
964f2a0ef2 Bump clippy_utils version 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
5f04b50191 Fix one import 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
ff157ae1f4 Improve tests 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
b7f03c6697 Remove unused features 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
29b6570612 Remove unused dependencies 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
523de296cc Get tests to pass 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
c5b9d22b02 Update clippy_utils/src/lib.rs 2021-02-23 18:50:30 -05:00
Samuel E. Moelius III
09bded4437 Factor out clippy_utils crate 2021-02-23 18:50:30 -05:00