A.A.Abroskin [Wed, 23 Jan 2019 08:36:12 +0000 (11:36 +0300)]
Merge branch 'master' into add-lints-aseert-checks
* master: (58 commits)
Rustfmt all the things
Don't make decisions on values that don't represent the decision
Improving comments.
Rustup
Added rustfix to the test.
Improve span shortening.
Added "make_return" and "blockify" convenience methods in Sugg and used them in "needless_bool".
Actually check for constants.
Fixed potential mistakes with nesting. Added tests.
formatting fix
Update clippy_lints/src/needless_bool.rs
formatting fix
Fixing typo in CONTRIBUTING.md
Fix breakage due to rust-lang/rust#57651
needless bool lint suggestion is wrapped in brackets if it is an "else" clause of an "if-else" statement
Fix automatic suggestion on `use_self`.
Remove negative integer literal checks.
Fix `implicit_return` false positives.
Run rustfmt
Fixed breakage due to rust-lang/rust#57489
...
bors [Tue, 22 Jan 2019 19:18:39 +0000 (19:18 +0000)]
Auto merge of #3679 - daxpedda:use_self, r=phansch
Fix automatic suggestion on `use_self`.
In an example like this:
```rust
impl Example {
fn fun_1() { }
fn fun_2() {
Example::fun_1();
}
}
```
Clippy tries to replace `Example::fun_1` with `Self`, loosing `::fun_1` in the process, it should rather try to replace `Example` with `Self`.
**Question**
- There may be other paths that need the same treatment, but I'm not sure I understand them fully:
- https://github.com/rust-lang/rust-clippy/blob/e648adf0866a1cea7db6ce2d33ea86e442f25377/clippy_lints/src/use_self.rs#L94-L96
- https://github.com/rust-lang/rust-clippy/blob/e648adf0866a1cea7db6ce2d33ea86e442f25377/clippy_lints/src/use_self.rs#L225-L229
bors [Sat, 19 Jan 2019 12:40:46 +0000 (12:40 +0000)]
Auto merge of #3674 - sinkuu:fmt_rustup, r=oli-obk
Catch up with `format_args` change
Catches up with a change in rust-lang/rust#57537. (Since the optimization is optional, this clippy PR can be merged before the rustc PR.)
Happened to fix a bug in `expect_fun_call`, that is the lint ignores more than
one arguments to `format`.
```
warning: use of `expect` followed by a function call
--> src/main.rs:2:17
|
2 | Some("foo").expect(format!("{} {}", 1, 2).as_ref());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("{} {}", 1))`
|
```
bors [Tue, 15 Jan 2019 09:04:09 +0000 (09:04 +0000)]
Auto merge of #3662 - mikerite:fix-498, r=oli-obk
Fix `map_clone` bad suggestion
`cloned` requires that the elements of the iterator must be references. This
change determines if that is the case by examining the type of the closure
argument and suggesting `.cloned` only if it is a reference. When the closure
argument is not a reference, it suggests removing the `map` call instead.
A minor problem with this change is that the new check sometimes overlaps
with the `clone_on_copy` lint.
Michael Wright [Tue, 15 Jan 2019 06:09:47 +0000 (08:09 +0200)]
Fix `map_clone` bad suggestion
`cloned` requires that the elements of the iterator must be references. This
change determines if that is the case by examining the type of the closure
argument and suggesting `.cloned` only if it is a reference. When the closure
argument is not a reference, it suggests removing the `map` call instead.
A minor problem with this change is that the new check sometimes overlaps
with the `clone_on_copy` lint.
bors [Mon, 14 Jan 2019 14:50:27 +0000 (14:50 +0000)]
Auto merge of #3657 - roblabla:bugfix-missing-docs-global-asm, r=phansch
Missing docs: don't require documenting Global Asm items.
global_asm! items cannot be documented, the lint still gets triggered after adding documentation to the macro invocation. Furthermore, even if we could add documentation to the AST node, rustdoc doesn't render it anyways.
bors [Mon, 14 Jan 2019 08:16:51 +0000 (08:16 +0000)]
Auto merge of #3658 - detrumi:add-several-run-rustfix-annotations, r=phansch
Add several run rustfix annotations
Adds `run-rustfix` to 18 of the tests from the tracking issue #3630.
Each test has its own commit, to make reviewing easier (hopefully this is easier to review than 18 separate PRs).
## Changes
- `cfg_attr_rustfmt`: Custom inner attributes are unstable. Let's disable the lint for inner attributes until [#54726](https://github.com/rust-lang/rust/issues/54726) stabilizes
- `collapsible_if`: unrelated cyclomatic_complexity warning that can be ignored
- `duration_subsec`: Simply needed `#![allow(dead_code)]`
- `excessive_precision`: Fixed by `#!allow(dead_code,unused_variables)`
- `explicit_write`: Fixed by `#![allow(unused_imports)]`
- `inconsistent_digit_grouping`: Avoid triggering `clippy::excessive_precision` lint
- `infallible_destructuring_match`: Fixed by `#![allow(dead_code, unreachable_code, unused_variables)]`
- `into_iter_on_ref`: Triggered unrelated `clippy::useless_vec` lint
- `large_digit_groups`: Avoid triggering `clippy::excessive_precision` lint
- `map_clone`: Fixed by `#![allow(clippy::iter_cloned_collect)]`
- `mem_replace`: Suggestion causes import to be unused, fixed by `#![allow(unused_imports)]`
- `precedence`: Allow some unrelated lints, and change out-of-range `0b1111_1111i8` literal
- `redundant_field_names`: Allow dead code, and remove stabilized feature toggles
- `replace_consts`: Fixed by `#![allow(unused_variables)]`
- `starts_ends_with`: Fixed by `#![allow(unused_must_use)]`
- `types`: Fixed by `#![allow(dead_code, unused_variables)]`
- `unit_arg`: Fixed by `#[allow(unused_must_use)]`
- `unnecessary_fold`: Fixed by adding type annotations and adding `#![allow(dead_code)]`
roblabla [Sun, 13 Jan 2019 16:09:58 +0000 (16:09 +0000)]
Missing docs: don't require documenting Global Asm items.
global_asm! items cannot be documented, the lint still gets triggered
after adding documentation to the macro invocation. Furthermore, even
if we could add documentation to the AST node, rustdoc doesn't render
it anyways.
bors [Wed, 9 Jan 2019 21:53:55 +0000 (21:53 +0000)]
Auto merge of #3645 - phansch:remove_copyright_headers, r=oli-obk
Remove all copyright license headers
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498 and here: https://github.com/rust-lang/rust-clippy/pull/3642#issuecomment-452251727
bors [Mon, 7 Jan 2019 18:54:28 +0000 (18:54 +0000)]
Auto merge of #3640 - detrumi:nested_use_self, r=flip1995
Restrict `use_self` on nested items
Fixes #3637
Fixes #3463
These changes make it so that nested items aren't visited any more by the `use_self` lint.
I think visiting nested items should be possible (so that it uses a different `item_path` for the nested item), but I'm not sure whether it's viable and what the best approach would be.
- Can `item_path` be changed to a new `Self` path before visiting the item, and then changing it back afterwards?
- Alternatively, could a new visitor be created, re-using `check_trait_method_impl_decl`?
bors [Mon, 7 Jan 2019 18:30:53 +0000 (18:30 +0000)]
Auto merge of #3600 - xfix:cast-ref-to-mut, r=flip1995
cast_ref_to_mut lint
I see this pattern way too often, and it's completely wrong. In fact, due to how common this incorrect pattern is, [the Rustonomicon specifically points this out](https://doc.rust-lang.org/nomicon/transmutes.html).
> - Transmuting an & to &mut is UB
> - Transmuting an & to &mut is always UB
> - No you can't do it
> - No you're not special
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