diff options
Diffstat (limited to 'compiler/rustc_errors/src/diagnostic_impls.rs')
-rw-r--r-- | compiler/rustc_errors/src/diagnostic_impls.rs | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index e82bad67b..65f8a61a3 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -1,4 +1,4 @@ -use crate::fluent_generated as fluent; +use crate::{fluent_generated as fluent, AddToDiagnostic}; use crate::{DiagnosticArgValue, DiagnosticBuilder, Handler, IntoDiagnostic, IntoDiagnosticArg}; use rustc_ast as ast; use rustc_ast_pretty::pprust; @@ -6,6 +6,7 @@ use rustc_hir as hir; use rustc_lint_defs::Level; use rustc_span::edition::Edition; use rustc_span::symbol::{Ident, MacroRulesNormalizedIdent, Symbol}; +use rustc_span::Span; use rustc_target::abi::TargetDataLayoutErrors; use rustc_target::spec::{PanicStrategy, SplitDebuginfo, StackProtector, TargetTriple}; use rustc_type_ir as type_ir; @@ -276,3 +277,26 @@ impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> { } } } + +/// Utility struct used to apply a single label while highlighting multiple spans +pub struct SingleLabelManySpans { + pub spans: Vec<Span>, + pub label: &'static str, + pub kind: LabelKind, +} +impl AddToDiagnostic for SingleLabelManySpans { + fn add_to_diagnostic_with<F>(self, diag: &mut crate::Diagnostic, _: F) { + match self.kind { + LabelKind::Note => diag.span_note(self.spans, self.label), + LabelKind::Label => diag.span_labels(self.spans, self.label), + LabelKind::Help => diag.span_help(self.spans, self.label), + }; + } +} + +/// The kind of label to attach when using [`SingleLabelManySpans`] +pub enum LabelKind { + Note, + Label, + Help, +} |