From 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:03:36 +0200
Subject: Adding upstream version 1.65.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 compiler/rustc_monomorphize/src/errors.rs | 85 +++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 compiler/rustc_monomorphize/src/errors.rs

(limited to 'compiler/rustc_monomorphize/src/errors.rs')

diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs
new file mode 100644
index 000000000..d5f05e790
--- /dev/null
+++ b/compiler/rustc_monomorphize/src/errors.rs
@@ -0,0 +1,85 @@
+use std::path::PathBuf;
+
+use rustc_errors::ErrorGuaranteed;
+use rustc_macros::{LintDiagnostic, SessionDiagnostic};
+use rustc_session::SessionDiagnostic;
+use rustc_span::Span;
+
+#[derive(SessionDiagnostic)]
+#[diag(monomorphize::recursion_limit)]
+pub struct RecursionLimit {
+    #[primary_span]
+    pub span: Span,
+    pub shrunk: String,
+    #[note]
+    pub def_span: Span,
+    pub def_path_str: String,
+    #[note(monomorphize::written_to_path)]
+    pub was_written: Option<()>,
+    pub path: PathBuf,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(monomorphize::type_length_limit)]
+#[help(monomorphize::consider_type_length_limit)]
+pub struct TypeLengthLimit {
+    #[primary_span]
+    pub span: Span,
+    pub shrunk: String,
+    #[note(monomorphize::written_to_path)]
+    pub was_written: Option<()>,
+    pub path: PathBuf,
+    pub type_length: usize,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(monomorphize::requires_lang_item)]
+pub struct RequiresLangItem {
+    pub lang_item: String,
+}
+
+pub struct UnusedGenericParams {
+    pub span: Span,
+    pub param_spans: Vec<Span>,
+    pub param_names: Vec<String>,
+}
+
+impl SessionDiagnostic<'_> for UnusedGenericParams {
+    fn into_diagnostic(
+        self,
+        handler: &'_ rustc_errors::Handler,
+    ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
+        let mut diag =
+            handler.struct_err(rustc_errors::fluent::monomorphize::unused_generic_params);
+        diag.set_span(self.span);
+        for (span, name) in self.param_spans.into_iter().zip(self.param_names) {
+            // FIXME: I can figure out how to do a label with a fluent string with a fixed message,
+            // or a label with a dynamic value in a hard-coded string, but I haven't figured out
+            // how to combine the two. 😢
+            diag.span_label(span, format!("generic parameter `{}` is unused", name));
+        }
+        diag
+    }
+}
+
+#[derive(LintDiagnostic)]
+#[diag(monomorphize::large_assignments)]
+#[note]
+pub struct LargeAssignmentsLint {
+    #[label]
+    pub span: Span,
+    pub size: u64,
+    pub limit: u64,
+}
+
+#[derive(SessionDiagnostic)]
+#[diag(monomorphize::unknown_partition_strategy)]
+pub struct UnknownPartitionStrategy;
+
+#[derive(SessionDiagnostic)]
+#[diag(monomorphize::symbol_already_defined)]
+pub struct SymbolAlreadyDefined {
+    #[primary_span]
+    pub span: Option<Span>,
+    pub symbol: String,
+}
-- 
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