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refactor and add link to issue

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This commit is contained in:
Centri3 2023-06-11 14:51:50 -05:00
parent 203e875189
commit 29c1c6e104
1 changed files with 16 additions and 17 deletions
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33
clippy_lints/src/min_ident_chars.rs
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@ -34,7 +34,6 @@
/// let title = movie.title;
/// }
/// ```
/// ```
#[clippy::version = "1.72.0"]
pub MIN_IDENT_CHARS,
restriction,
@ -48,6 +47,17 @@ pub struct MinIdentChars {
pub min_ident_chars_threshold: u64,
}
impl MinIdentChars {
#[expect(clippy::cast_possible_truncation)]
fn is_ident_too_short(&self, cx: &LateContext<'_>, str: &str, span: Span) -> bool {
!in_external_macro(cx.sess(), span)
&& str.len() <= self.min_ident_chars_threshold as usize
&& !str.starts_with('_')
&& !str.is_empty()
&& self.allowed_idents_below_min_chars.get(&str.to_owned()).is_none()
}
}
impl LateLintPass<'_> for MinIdentChars {
fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
if self.min_ident_chars_threshold == 0 {
@ -58,15 +68,10 @@ fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
}
// This is necessary as `Node::Pat`s are not visited in `visit_id`. :/
#[expect(clippy::cast_possible_truncation)]
fn check_pat(&mut self, cx: &LateContext<'_>, pat: &Pat<'_>) {
if let PatKind::Binding(_, _, ident, ..) = pat.kind
&& let str = ident.as_str()
&& !in_external_macro(cx.sess(), ident.span)
&& str.len() <= self.min_ident_chars_threshold as usize
&& !str.starts_with('_')
&& !str.is_empty()
&& self.allowed_idents_below_min_chars.get(&str.to_owned()).is_none()
&& self.is_ident_too_short(cx, str, ident.span)
{
emit_min_ident_chars(self, cx, str, ident.span);
}
@ -79,12 +84,11 @@ struct IdentVisitor<'cx, 'tcx> {
}
impl Visitor<'_> for IdentVisitor<'_, '_> {
#[expect(clippy::cast_possible_truncation)]
fn visit_id(&mut self, hir_id: HirId) {
let Self { conf, cx } = *self;
// Reimplementation of `find`, as it uses indexing, which can (and will in async functions) panic.
// This should probably be fixed on the rustc side, this is just a temporary workaround.
// FIXME: Remove me if/when this is fixed in rustc
// FIXME(#112534) Reimplementation of `find`, as it uses indexing, which can (and will in
// async functions, or really anything async) panic. This should probably be fixed on the
// rustc side, this is just a temporary workaround.
let node = if hir_id.local_id == ItemLocalId::from_u32(0) {
// In this case, we can just use `find`, `Owner`'s `node` field is private anyway so we can't
// reimplement it even if we wanted to
@ -103,12 +107,7 @@ fn visit_id(&mut self, hir_id: HirId) {
};
let str = ident.as_str();
if !in_external_macro(cx.sess(), ident.span)
&& str.len() <= conf.min_ident_chars_threshold as usize
&& !str.starts_with('_')
&& !str.is_empty()
&& conf.allowed_idents_below_min_chars.get(&str.to_owned()).is_none()
{
if conf.is_ident_too_short(cx, str, ident.span) {
if let Node::Item(item) = node && let ItemKind::Use(..) = item.kind {
return;
}