fix type suggestion for manual_is_ascii_check (#13913)

This commit is contained in:
A_A 2024-12-31 13:47:12 +01:00
parent 7a834b5d3a
commit 2a4dadd985
4 changed files with 38 additions and 9 deletions

View file

@ -123,18 +123,15 @@ impl<'tcx> LateLintPass<'tcx> for ManualIsAsciiCheck {
extract_msrv_attr!(LateContext);
}
fn get_ty_sugg(cx: &LateContext<'_>, arg: &Expr<'_>, bound_expr: &Expr<'_>) -> Option<(Span, &'static str)> {
if let ExprKind::Lit(lit) = bound_expr.kind
fn get_ty_sugg(cx: &LateContext<'_>, arg: &Expr<'_>, bound_expr: &Expr<'_>) -> Option<(Span, String)> {
if let ExprKind::Lit(_) = bound_expr.kind
&& let local_hid = path_to_local(arg)?
&& let Node::Param(Param { ty_span, span, .. }) = cx.tcx.parent_hir_node(local_hid)
// `ty_span` and `span` are the same for inferred type, thus a type suggestion must be given
&& ty_span == span
{
let ty_str = match lit.node {
Char(_) => "char",
Byte(_) => "u8",
_ => return None,
};
let arg_type = cx.typeck_results().expr_ty(arg);
let ty_str = arg_type.to_string();
return Some((*ty_span, ty_str));
}
None
@ -145,7 +142,7 @@ fn check_is_ascii(
span: Span,
recv: &Expr<'_>,
range: &CharRange,
ty_sugg: Option<(Span, &'_ str)>,
ty_sugg: Option<(Span, String)>,
) {
let sugg = match range {
CharRange::UpperChar => "is_ascii_uppercase",