bjoernager/rust
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Parse a pattern with no arm

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This commit is contained in:
Nadrieril 2023-11-27 03:15:56 +01:00
parent caa488b96e
commit 80bdcbf50a
36 changed files with 420 additions and 279 deletions
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6
compiler/rustc_lint/src/builtin.rs
View file

@ -1000,8 +1000,10 @@ impl EarlyLintPass for UnusedDocComment {
}
fn check_arm(&mut self, cx: &EarlyContext<'_>, arm: &ast::Arm) {
let arm_span = arm.pat.span.with_hi(arm.body.span.hi());
warn_if_doc(cx, arm_span, "match arms", &arm.attrs);
if let Some(body) = &arm.body {
let arm_span = arm.pat.span.with_hi(body.span.hi());
warn_if_doc(cx, arm_span, "match arms", &arm.attrs);
}
}
fn check_pat(&mut self, cx: &EarlyContext<'_>, pat: &ast::Pat) {

20
compiler/rustc_lint/src/unused.rs
View file

@ -1113,15 +1113,17 @@ impl EarlyLintPass for UnusedParens {
}
ExprKind::Match(ref _expr, ref arm) => {
for a in arm {
self.check_unused_delims_expr(
cx,
&a.body,
UnusedDelimsCtx::MatchArmExpr,
false,
None,
None,
true,
);
if let Some(body) = &a.body {
self.check_unused_delims_expr(
cx,
body,
UnusedDelimsCtx::MatchArmExpr,
false,
None,
None,
true,
);
}
}
}
_ => {}