diff options
Diffstat (limited to 'compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs')
-rw-r--r-- | compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs b/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs index 089491bef..0bfbf99cb 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs @@ -1,5 +1,5 @@ -use crate::structured_errors::StructuredDiagnostic; -use rustc_errors::{Applicability, DiagnosticBuilder, DiagnosticId, ErrorGuaranteed}; +use crate::{errors, structured_errors::StructuredDiagnostic}; +use rustc_errors::{DiagnosticBuilder, DiagnosticId, ErrorGuaranteed}; use rustc_middle::ty::{Ty, TypeVisitableExt}; use rustc_session::Session; use rustc_span::Span; @@ -21,27 +21,26 @@ impl<'tcx> StructuredDiagnostic<'tcx> for MissingCastForVariadicArg<'tcx, '_> { } fn diagnostic_common(&self) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> { - let mut err = self.sess.struct_span_err_with_code( - self.span, - &format!("can't pass `{}` to variadic function", self.ty), - self.code(), - ); + let (sugg_span, replace, help) = + if let Ok(snippet) = self.sess.source_map().span_to_snippet(self.span) { + (Some(self.span), format!("{} as {}", snippet, self.cast_ty), None) + } else { + (None, "".to_string(), Some(())) + }; + + let mut err = self.sess.create_err(errors::PassToVariadicFunction { + span: self.span, + ty: self.ty, + cast_ty: self.cast_ty, + help, + replace, + sugg_span, + }); if self.ty.references_error() { err.downgrade_to_delayed_bug(); } - if let Ok(snippet) = self.sess.source_map().span_to_snippet(self.span) { - err.span_suggestion( - self.span, - &format!("cast the value to `{}`", self.cast_ty), - format!("{} as {}", snippet, self.cast_ty), - Applicability::MachineApplicable, - ); - } else { - err.help(&format!("cast the value to `{}`", self.cast_ty)); - } - err } |