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rustc_typeck: extract common placeholder type diagnostic code

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This commit is contained in:
Denys Otrishko
2019-07-17 09:55:15 +03:00
parent d56128d291
commit d9ad04a0f0
1 changed files with 12 additions and 12 deletions
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src/librustc_typeck/collect.rs
+12 -12
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@@ -160,6 +160,16 @@ fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem) {
///////////////////////////////////////////////////////////////////////////
// Utility types and common code for the above passes.
fn bad_placeholder_type(tcx: TyCtxt<'tcx>, span: Span) -> errors::DiagnosticBuilder<'tcx> {
let mut diag = tcx.sess.struct_span_err_with_code(
span,
"the type placeholder `_` is not allowed within types on item signatures",
DiagnosticId::Error("E0121".into()),
);
diag.span_label(span, "not allowed in type signatures");
diag
}
impl ItemCtxt<'tcx> {
pub fn new(tcx: TyCtxt<'tcx>, item_def_id: DefId) -> ItemCtxt<'tcx> {
ItemCtxt { tcx, item_def_id }
@@ -191,12 +201,7 @@ fn re_infer(
}
fn ty_infer(&self, _: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx> {
self.tcx().sess.struct_span_err_with_code(
span,
"the type placeholder `_` is not allowed within types on item signatures",
DiagnosticId::Error("E0121".into()),
).span_label(span, "not allowed in type signatures")
.emit();
bad_placeholder_type(self.tcx(), span).emit();
self.tcx().types.err
}
@@ -207,12 +212,7 @@ fn ct_infer(
_: Option<&ty::GenericParamDef>,
span: Span,
) -> &'tcx Const<'tcx> {
self.tcx().sess.struct_span_err_with_code(
span,
"the const placeholder `_` is not allowed within types on item signatures",
DiagnosticId::Error("E0121".into()),
).span_label(span, "not allowed in type signatures")
.emit();
bad_placeholder_type(self.tcx(), span).emit();
self.tcx().consts.err
}