migrate: early.rs and enum_intrinsics_non_enums.rs

compiler/rustc_lint/src/early.rs

@@ -1,3 +1,5 @@
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
 //! Implementation of lint checking.
 //!
 //! The lint checking is mostly consolidated into one pass which runs
@@ -39,6 +41,7 @@ pub struct EarlyContextAndPass<'a, T: EarlyLintPass> {
 impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T> {
     // This always-inlined function is for the hot call site.
     #[inline(always)]
+    #[allow(rustc::diagnostic_outside_of_impl)]
     fn inlined_check_id(&mut self, id: ast::NodeId) {
         for early_lint in self.context.buffered.take(id) {
             let BufferedEarlyLint { span, msg, node_id: _, lint_id, diagnostic } = early_lint;

compiler/rustc_lint/src/enum_intrinsics_non_enums.rs

@@ -1,5 +1,10 @@
-use crate::{context::LintContext, LateContext, LateLintPass};
-use rustc_errors::fluent;
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
+use crate::{
+    context::LintContext,
+    lints::{EnumIntrinsicsMemDiscriminate, EnumIntrinsicsMemVariant},
+    LateContext, LateLintPass,
+};
 use rustc_hir as hir;
 use rustc_middle::ty::{visit::TypeVisitable, Ty};
 use rustc_span::{symbol::sym, Span};
@@ -50,11 +55,10 @@ fn enforce_mem_discriminant(
 ) {
     let ty_param = cx.typeck_results().node_substs(func_expr.hir_id).type_at(0);
     if is_non_enum(ty_param) {
-        cx.struct_span_lint(
+        cx.emit_spanned_lint(
             ENUM_INTRINSICS_NON_ENUMS,
             expr_span,
-            fluent::lint_enum_intrinsics_mem_discriminant,
-            |lint| lint.set_arg("ty_param", ty_param).span_note(args_span, fluent::note),
+            EnumIntrinsicsMemDiscriminate { ty_param, note: args_span },
         );
     }
 }
@@ -62,11 +66,10 @@ fn enforce_mem_discriminant(
 fn enforce_mem_variant_count(cx: &LateContext<'_>, func_expr: &hir::Expr<'_>, span: Span) {
     let ty_param = cx.typeck_results().node_substs(func_expr.hir_id).type_at(0);
     if is_non_enum(ty_param) {
-        cx.struct_span_lint(
+        cx.emit_spanned_lint(
             ENUM_INTRINSICS_NON_ENUMS,
             span,
-            fluent::lint_enum_intrinsics_mem_variant,
-            |lint| lint.set_arg("ty_param", ty_param).note(fluent::note),
+            EnumIntrinsicsMemVariant { ty_param },
         );
     }
 }

compiler/rustc_lint/src/errors.rs

@@ -38,6 +38,7 @@ impl AddToDiagnostic for OverruledAttributeSub {
             OverruledAttributeSub::NodeSource { span, reason } => {
                 diag.span_label(span, fluent::lint_node_source);
                 if let Some(rationale) = reason {
+                    #[allow(rustc::diagnostic_outside_of_impl)]
                     diag.note(rationale.as_str());
                 }
             }

compiler/rustc_lint/src/lints.rs

@@ -32,6 +32,21 @@ pub enum ArrayIntoIterDiagSub {
     },
 }
 
+#[derive(LintDiagnostic)]
+#[diag(lint_enum_intrinsics_mem_discriminant)]
+pub struct EnumIntrinsicsMemDiscriminate<'a> {
+    pub ty_param: Ty<'a>,
+    #[note]
+    pub note: Span,
+}
+
+#[derive(LintDiagnostic)]
+#[diag(lint_enum_intrinsics_mem_variant)]
+#[note]
+pub struct EnumIntrinsicsMemVariant<'a> {
+    pub ty_param: Ty<'a>,
+}
+
 #[derive(LintDiagnostic)]
 #[diag(lint_cstring_ptr)]
 #[note]