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rustc_span: Optimize syntax context comparisons

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Including comparisons with root context
This commit is contained in:
Vadim Petrochenkov
2024-01-02 23:32:40 +03:00
parent b8c207435c
commit 90d11d6448
13 changed files with 76 additions and 52 deletions
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4
compiler/rustc_lint/src/internal.rs
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@@ -549,7 +549,9 @@ declare_lint_pass!(SpanUseEqCtxt => [SPAN_USE_EQ_CTXT]);
impl<'tcx> LateLintPass<'tcx> for SpanUseEqCtxt {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) {
if let ExprKind::Binary(BinOp { node: BinOpKind::Eq, .. }, lhs, rhs) = expr.kind {
if let ExprKind::Binary(BinOp { node: BinOpKind::Eq | BinOpKind::Ne, .. }, lhs, rhs) =
expr.kind
{
if is_span_ctxt_call(cx, lhs) && is_span_ctxt_call(cx, rhs) {
cx.emit_spanned_lint(SPAN_USE_EQ_CTXT, expr.span, SpanUseEqCtxtDiag);
}