From 6abcadc235c24b0541e7bb3b6f6444d397d32f35 Mon Sep 17 00:00:00 2001
From: Jonathan Brouwer <jonathantbrouwer@gmail.com>
Date: Sun, 21 Sep 2025 10:20:56 -0400
Subject: Port #[macro_export] to the new attribute parsing infrastructure

Co-authored-by: Anne Stijns <anstijns@gmail.com>
---
 compiler/rustc_attr_parsing/src/lints.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'compiler/rustc_attr_parsing/src/lints.rs')

diff --git a/compiler/rustc_attr_parsing/src/lints.rs b/compiler/rustc_attr_parsing/src/lints.rs
index b1a971eec32..ab8ba0daf1f 100644
--- a/compiler/rustc_attr_parsing/src/lints.rs
+++ b/compiler/rustc_attr_parsing/src/lints.rs
@@ -31,6 +31,18 @@ pub fn emit_attribute_lint<L: LintEmitter>(lint: &AttributeLint<L::Id>, lint_emi
                 },
             );
         }
+        AttributeLintKind::InvalidMacroExportArguments { suggestions } => lint_emitter
+            .emit_node_span_lint(
+                rustc_session::lint::builtin::INVALID_MACRO_EXPORT_ARGUMENTS,
+                *id,
+                *span,
+                session_diagnostics::IllFormedAttributeInput {
+                    num_suggestions: suggestions.len(),
+                    suggestions: DiagArgValue::StrListSepByAnd(
+                        suggestions.into_iter().map(|s| format!("`{s}`").into()).collect(),
+                    ),
+                },
+            ),
         AttributeLintKind::EmptyAttribute { first_span } => lint_emitter.emit_node_span_lint(
             rustc_session::lint::builtin::UNUSED_ATTRIBUTES,
             *id,
-- 
cgit 1.4.1-3-g733a5