Migrate rustc_hir_analysis to session diagnostic

Part 4: Finishing `check/mod.rs` file

compiler/rustc_hir_analysis/src/errors.rs

@@ -631,3 +631,141 @@ pub(crate) struct SIMDFFIHighlyExperimental {
     pub span: Span,
     pub snip: String,
 }
+
+#[derive(Diagnostic)]
+pub enum ImplNotMarkedDefault {
+    #[diag(hir_analysis_impl_not_marked_default, code = "E0520")]
+    #[note]
+    Ok {
+        #[primary_span]
+        #[label]
+        span: Span,
+        #[label(hir_analysis_ok_label)]
+        ok_label: Span,
+        ident: Symbol,
+    },
+    #[diag(hir_analysis_impl_not_marked_default_err, code = "E0520")]
+    #[note]
+    Err {
+        #[primary_span]
+        #[label]
+        span: Span,
+        cname: Symbol,
+        ident: Symbol,
+    },
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_missing_trait_item, code = "E0046")]
+pub(crate) struct MissingTraitItem {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[subdiagnostic]
+    pub missing_trait_item_label: Vec<MissingTraitItemLabel>,
+    #[subdiagnostic]
+    pub missing_trait_item: Vec<MissingTraitItemSuggestion>,
+    #[subdiagnostic]
+    pub missing_trait_item_none: Vec<MissingTraitItemSuggestionNone>,
+    pub missing_items_msg: String,
+}
+
+#[derive(Subdiagnostic)]
+#[label(hir_analysis_missing_trait_item_label)]
+pub(crate) struct MissingTraitItemLabel {
+    #[primary_span]
+    pub span: Span,
+    pub item: Symbol,
+}
+
+#[derive(Subdiagnostic)]
+#[suggestion(
+    hir_analysis_missing_trait_item_suggestion,
+    style = "tool-only",
+    applicability = "has-placeholders",
+    code = "{code}"
+)]
+pub(crate) struct MissingTraitItemSuggestion {
+    #[primary_span]
+    pub span: Span,
+    pub code: String,
+    pub snippet: String,
+}
+
+#[derive(Subdiagnostic)]
+#[suggestion(
+    hir_analysis_missing_trait_item_suggestion,
+    style = "hidden",
+    applicability = "has-placeholders",
+    code = "{code}"
+)]
+pub(crate) struct MissingTraitItemSuggestionNone {
+    #[primary_span]
+    pub span: Span,
+    pub code: String,
+    pub snippet: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_missing_one_of_trait_item, code = "E0046")]
+pub(crate) struct MissingOneOfTraitItem {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[note]
+    pub note: Option<Span>,
+    pub missing_items_msg: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_missing_trait_item_unstable, code = "E0046")]
+#[note]
+pub(crate) struct MissingTraitItemUnstable {
+    #[primary_span]
+    pub span: Span,
+    #[note(hir_analysis_some_note)]
+    pub some_note: bool,
+    #[note(hir_analysis_none_note)]
+    pub none_note: bool,
+    pub missing_item_name: Symbol,
+    pub feature: Symbol,
+    pub reason: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_transparent_enum_variant, code = "E0731")]
+pub(crate) struct TransparentEnumVariant {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[label(hir_analysis_multi_label)]
+    pub spans: Vec<Span>,
+    #[label(hir_analysis_many_label)]
+    pub many: Option<Span>,
+    pub number: usize,
+    pub path: String,
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_transparent_non_zero_sized_enum, code = "E0690")]
+pub(crate) struct TransparentNonZeroSizedEnum<'a> {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[label(hir_analysis_labels)]
+    pub spans: Vec<Span>,
+    pub field_count: usize,
+    pub desc: &'a str,
+}
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_transparent_non_zero_sized, code = "E0690")]
+pub(crate) struct TransparentNonZeroSized<'a> {
+    #[primary_span]
+    #[label]
+    pub span: Span,
+    #[label(hir_analysis_labels)]
+    pub spans: Vec<Span>,
+    pub field_count: usize,
+    pub desc: &'a str,
+}