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Auto merge of #12294 - sanxiyn:min_ident_chars-trait-item, r=Jarcho

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Check trait items in `min_ident_chars`

Fix #12237.

changelog: [`min_ident_chars`]: check trait items
This commit is contained in:
bors 2024-02-16 16:50:08 +00:00
commit 3b36b37258
3 changed files with 53 additions and 21 deletions
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12
clippy_lints/src/min_ident_chars.rs
View file

@ -2,8 +2,8 @@ use clippy_utils::diagnostics::span_lint;
use clippy_utils::is_from_proc_macro;
use rustc_data_structures::fx::FxHashSet;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::intravisit::{walk_item, Visitor};
use rustc_hir::{GenericParamKind, HirId, Item, ItemKind, ItemLocalId, Node, Pat, PatKind, UsePath};
use rustc_hir::intravisit::{walk_item, walk_trait_item, Visitor};
use rustc_hir::{GenericParamKind, HirId, Item, ItemKind, ItemLocalId, Node, Pat, PatKind, TraitItem, UsePath};
use rustc_lint::{LateContext, LateLintPass, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_session::impl_lint_pass;
@ -66,6 +66,14 @@ impl LateLintPass<'_> for MinIdentChars {
walk_item(&mut IdentVisitor { conf: self, cx }, item);
}
fn check_trait_item(&mut self, cx: &LateContext<'_>, item: &TraitItem<'_>) {
if self.min_ident_chars_threshold == 0 {
return;
}
walk_trait_item(&mut IdentVisitor { conf: self, cx }, item);
}
// This is necessary as `Node::Pat`s are not visited in `visit_id`. :/
fn check_pat(&mut self, cx: &LateContext<'_>, pat: &Pat<'_>) {
if let PatKind::Binding(_, _, ident, ..) = pat.kind

6
tests/ui/min_ident_chars.rs
View file

@ -37,6 +37,12 @@ struct Vec4 {
struct AA<T, E>(T, E);
trait Trait {
const A: u32 = 0;
type A;
fn a() {}
}
fn main() {
// Allowed idents
let w = 1;

56
tests/ui/min_ident_chars.stderr
View file

@ -68,112 +68,130 @@ LL | F,
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:51:9
--> $DIR/min_ident_chars.rs:41:11
|
LL | const A: u32 = 0;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:42:10
|
LL | type A;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:43:8
|
LL | fn a() {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:57:9
|
LL | let h = 1;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:52:9
--> $DIR/min_ident_chars.rs:58:9
|
LL | let e = 2;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:53:9
--> $DIR/min_ident_chars.rs:59:9
|
LL | let l = 3;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:54:9
--> $DIR/min_ident_chars.rs:60:9
|
LL | let l = 4;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:55:9
--> $DIR/min_ident_chars.rs:61:9
|
LL | let o = 6;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:59:10
--> $DIR/min_ident_chars.rs:65:10
|
LL | let (h, o, w) = (1, 2, 3);
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:59:13
--> $DIR/min_ident_chars.rs:65:13
|
LL | let (h, o, w) = (1, 2, 3);
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:60:10
--> $DIR/min_ident_chars.rs:66:10
|
LL | for (a, (r, e)) in (0..1000).enumerate().enumerate() {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:60:14
--> $DIR/min_ident_chars.rs:66:14
|
LL | for (a, (r, e)) in (0..1000).enumerate().enumerate() {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:60:17
--> $DIR/min_ident_chars.rs:66:17
|
LL | for (a, (r, e)) in (0..1000).enumerate().enumerate() {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:62:16
--> $DIR/min_ident_chars.rs:68:16
|
LL | while let (d, o, _i, n, g) = (true, true, false, false, true) {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:62:19
--> $DIR/min_ident_chars.rs:68:19
|
LL | while let (d, o, _i, n, g) = (true, true, false, false, true) {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:62:29
--> $DIR/min_ident_chars.rs:68:29
|
LL | while let (d, o, _i, n, g) = (true, true, false, false, true) {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:66:9
--> $DIR/min_ident_chars.rs:72:9
|
LL | let o = 1;
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:67:9
--> $DIR/min_ident_chars.rs:73:9
|
LL | let o = O { o };
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:81:4
--> $DIR/min_ident_chars.rs:87:4
|
LL | fn b() {}
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:82:21
--> $DIR/min_ident_chars.rs:88:21
|
LL | fn wrong_pythagoras(a: f32, b: f32) -> f32 {
| ^
error: this ident consists of a single char
--> $DIR/min_ident_chars.rs:82:29
--> $DIR/min_ident_chars.rs:88:29
|
LL | fn wrong_pythagoras(a: f32, b: f32) -> f32 {
| ^
error: aborting due to 29 previous errors
error: aborting due to 32 previous errors