Rollup merge of #144195 - Kivooeo:bad-attr, r=fmease,compiler-errors

Parser: Recover from attributes applied to types and generic args

r? compiler

Add clearer error messages for invalid attribute usage in types or generic types

fixes rust-lang/rust#135017
fixes rust-lang/rust#144132

1 files changed, 28 insertions, 0 deletions

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 4aaaba01fae..48ff0394d46 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -1490,6 +1490,34 @@ pub(crate) struct AttributeOnParamType {
 }
 
 #[derive(Diagnostic)]
+#[diag(parse_attribute_on_type)]
+pub(crate) struct AttributeOnType {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
+    pub fix_span: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(parse_attribute_on_generic_arg)]
+pub(crate) struct AttributeOnGenericArg {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
+    pub fix_span: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(parse_attribute_on_empty_type)]
+pub(crate) struct AttributeOnEmptyType {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
 #[diag(parse_pattern_method_param_without_body, code = E0642)]
 pub(crate) struct PatternMethodParamWithoutBody {
     #[primary_span]