Migrate rustc_mir_dataflow to diagnostic structs

compiler/rustc_mir_dataflow/src/errors.rs

@@ -0,0 +1,71 @@
+use rustc_macros::SessionDiagnostic;
+use rustc_span::{Span, Symbol};
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::path_must_end_in_filename)]
+pub(crate) struct PathMustEndInFilename {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::unknown_formatter)]
+pub(crate) struct UnknownFormatter {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::duplicate_values_for)]
+pub(crate) struct DuplicateValuesFor {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::requires_an_argument)]
+pub(crate) struct RequiresAnArgument {
+    #[primary_span]
+    pub span: Span,
+    pub name: Symbol,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::stop_after_dataflow_ended_compilation)]
+pub(crate) struct StopAfterDataFlowEndedCompilation;
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::peek_must_be_place_or_ref_place)]
+pub(crate) struct PeekMustBePlaceOrRefPlace {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::peek_must_be_not_temporary)]
+pub(crate) struct PeekMustBeNotTemporary {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::peek_bit_not_set)]
+pub(crate) struct PeekBitNotSet {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::peek_argument_not_a_local)]
+pub(crate) struct PeekArgumentNotALocal {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(rustc_mir_dataflow::peek_argument_untracked)]
+pub(crate) struct PeekArgumentUntracked {
+    #[primary_span]
+    pub span: Span,
+}