From a460b46d0f7d95a0a07bad444606f6fd53aea62c Mon Sep 17 00:00:00 2001
From: Jonathan Brouwer <jonathantbrouwer@gmail.com>
Date: Sat, 12 Jul 2025 17:42:39 +0200
Subject: Ports `#[macro_use]` and `#[macro_escape]` to the new attribute
 parsing infrastructure

---
 compiler/rustc_attr_parsing/src/session_diagnostics.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

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

diff --git a/compiler/rustc_attr_parsing/src/session_diagnostics.rs b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
index 9a400e0fe10..1de25ca252b 100644
--- a/compiler/rustc_attr_parsing/src/session_diagnostics.rs
+++ b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
@@ -438,7 +438,7 @@ pub(crate) struct IllFormedAttributeInput {
 
 #[derive(Diagnostic)]
 #[diag(attr_parsing_ill_formed_attribute_input)]
-pub(crate) struct MustUseIllFormedAttributeInput {
+pub(crate) struct IllFormedAttributeInputLint {
     #[primary_span]
     pub span: Span,
     pub num_suggestions: usize,
@@ -549,6 +549,7 @@ pub(crate) enum AttributeParseErrorReason {
         /// Should we tell the user to write a list when they didn't?
         list: bool,
     },
+    ExpectedIdentifier,
 }
 
 pub(crate) struct AttributeParseError {
@@ -600,11 +601,11 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError {
                 diag.code(E0538);
             }
             AttributeParseErrorReason::UnexpectedLiteral => {
-                diag.span_label(self.span, format!("didn't expect a literal here"));
+                diag.span_label(self.span, "didn't expect a literal here");
                 diag.code(E0565);
             }
             AttributeParseErrorReason::ExpectedNoArgs => {
-                diag.span_label(self.span, format!("didn't expect any arguments here"));
+                diag.span_label(self.span, "didn't expect any arguments here");
                 diag.code(E0565);
             }
             AttributeParseErrorReason::ExpectedNameValue(None) => {
@@ -684,6 +685,9 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError {
                     }
                 }
             }
+            AttributeParseErrorReason::ExpectedIdentifier => {
+                diag.span_label(self.span, "expected a valid identifier here");
+            }
         }
 
         let suggestions = self.template.suggestions(false, &name);
-- 
cgit 1.4.1-3-g733a5