Add more track_caller

compiler/rustc_session/src/parse.rs

@@ -97,6 +97,7 @@ pub fn feature_err<'a>(
 ///
 /// This variant allows you to control whether it is a library or language feature.
 /// Almost always, you want to use this for a language feature. If so, prefer `feature_err`.
+#[track_caller]
 pub fn feature_err_issue<'a>(
     sess: &'a ParseSess,
     feature: Symbol,
@@ -332,6 +333,7 @@ impl ParseSess {
         self.proc_macro_quoted_spans.lock().clone()
     }
 
+    #[track_caller]
     pub fn create_err<'a>(
         &'a self,
         err: impl IntoDiagnostic<'a>,
@@ -339,10 +341,12 @@ impl ParseSess {
         err.into_diagnostic(&self.span_diagnostic)
     }
 
+    #[track_caller]
     pub fn emit_err<'a>(&'a self, err: impl IntoDiagnostic<'a>) -> ErrorGuaranteed {
         self.create_err(err).emit()
     }
 
+    #[track_caller]
     pub fn create_warning<'a>(
         &'a self,
         warning: impl IntoDiagnostic<'a, ()>,
@@ -350,6 +354,7 @@ impl ParseSess {
         warning.into_diagnostic(&self.span_diagnostic)
     }
 
+    #[track_caller]
     pub fn emit_warning<'a>(&'a self, warning: impl IntoDiagnostic<'a, ()>) {
         self.create_warning(warning).emit()
     }
@@ -377,6 +382,7 @@ impl ParseSess {
     }
 
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn struct_err(
         &self,
         msg: impl Into<DiagnosticMessage>,

compiler/rustc_session/src/session.rs

@@ -330,6 +330,7 @@ impl Session {
         self.diagnostic().struct_warn_with_expectation(msg, id)
     }
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn struct_span_allow<S: Into<MultiSpan>>(
         &self,
         sp: S,
@@ -338,10 +339,12 @@ impl Session {
         self.diagnostic().struct_span_allow(sp, msg)
     }
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn struct_allow(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_, ()> {
         self.diagnostic().struct_allow(msg)
     }
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn struct_expect(
         &self,
         msg: impl Into<DiagnosticMessage>,
@@ -396,6 +399,7 @@ impl Session {
         self.diagnostic().struct_warn_with_code(msg, code)
     }
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn struct_span_fatal<S: Into<MultiSpan>>(
         &self,
         sp: S,
@@ -418,6 +422,7 @@ impl Session {
     }
 
     #[rustc_lint_diagnostics]
+    #[track_caller]
     pub fn span_fatal<S: Into<MultiSpan>>(&self, sp: S, msg: impl Into<DiagnosticMessage>) -> ! {
         self.diagnostic().span_fatal(sp, msg)
     }
@@ -490,33 +495,40 @@ impl Session {
         add_feature_diagnostics(&mut err, &self.parse_sess, feature);
         err
     }
+    #[track_caller]
     pub fn emit_err<'a>(&'a self, err: impl IntoDiagnostic<'a>) -> ErrorGuaranteed {
         self.parse_sess.emit_err(err)
     }
+    #[track_caller]
     pub fn create_warning<'a>(
         &'a self,
         err: impl IntoDiagnostic<'a, ()>,
     ) -> DiagnosticBuilder<'a, ()> {
         self.parse_sess.create_warning(err)
     }
+    #[track_caller]
     pub fn emit_warning<'a>(&'a self, warning: impl IntoDiagnostic<'a, ()>) {
         self.parse_sess.emit_warning(warning)
     }
+    #[track_caller]
     pub fn create_note<'a>(
         &'a self,
         note: impl IntoDiagnostic<'a, Noted>,
     ) -> DiagnosticBuilder<'a, Noted> {
         self.parse_sess.create_note(note)
     }
+    #[track_caller]
     pub fn emit_note<'a>(&'a self, note: impl IntoDiagnostic<'a, Noted>) -> Noted {
         self.parse_sess.emit_note(note)
     }
+    #[track_caller]
     pub fn create_fatal<'a>(
         &'a self,
         fatal: impl IntoDiagnostic<'a, !>,
     ) -> DiagnosticBuilder<'a, !> {
         self.parse_sess.create_fatal(fatal)
     }
+    #[track_caller]
     pub fn emit_fatal<'a>(&'a self, fatal: impl IntoDiagnostic<'a, !>) -> ! {
         self.parse_sess.emit_fatal(fatal)
     }
@@ -556,6 +568,7 @@ impl Session {
     }
     #[allow(rustc::untranslatable_diagnostic)]
     #[allow(rustc::diagnostic_outside_of_impl)]
+    #[track_caller]
     pub fn span_warn<S: Into<MultiSpan>>(&self, sp: S, msg: impl Into<DiagnosticMessage>) {
         self.diagnostic().span_warn(sp, msg)
     }
@@ -602,6 +615,8 @@ impl Session {
     pub fn note_without_error(&self, msg: impl Into<DiagnosticMessage>) {
         self.diagnostic().note_without_error(msg)
     }
+
+    #[track_caller]
     pub fn span_note_without_error<S: Into<MultiSpan>>(
         &self,
         sp: S,