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rename functions

This commit is contained in:
Bastian Kauschke 2020-09-26 10:28:15 +02:00
parent ff7009a4d2
commit 32195ac8f4
5 changed files with 42 additions and 25 deletions
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24
compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
View File

@ -221,7 +221,7 @@ impl Into<rustc_errors::DiagnosticId> for TypeAnnotationNeeded {
}
/// Information about a constant or a type containing inference variables.
pub struct InferDiagnosticsData {
pub struct InferenceDiagnosticsData {
pub name: String,
pub span: Option<Span>,
pub description: Cow<'static, str>,
@ -232,11 +232,11 @@ pub struct InferDiagnosticsData {
impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
/// Extracts data used by diagnostic for either types or constants
/// which were stuck during inference.
pub fn extract_infer_data(
pub fn extract_inference_diagnostics_data(
&self,
arg: GenericArg<'tcx>,
highlight: Option<ty::print::RegionHighlightMode>,
) -> InferDiagnosticsData {
) -> InferenceDiagnosticsData {
match arg.unpack() {
GenericArgKind::Type(ty) => {
if let ty::Infer(ty::TyVar(ty_vid)) = *ty.kind() {
@ -266,7 +266,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
};
if name != kw::SelfUpper {
return InferDiagnosticsData {
return InferenceDiagnosticsData {
name: name.to_string(),
span: Some(var_origin.span),
description: "type parameter".into(),
@ -283,7 +283,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
printer.region_highlight_mode = highlight;
}
let _ = ty.print(printer);
InferDiagnosticsData {
InferenceDiagnosticsData {
name: s,
span: None,
description: ty.prefix_string(),
@ -317,7 +317,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
(None, None)
};
return InferDiagnosticsData {
return InferenceDiagnosticsData {
name: name.to_string(),
span: Some(origin.span),
description: "const parameter".into(),
@ -334,7 +334,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
printer.region_highlight_mode = highlight;
}
let _ = ct.print(printer);
InferDiagnosticsData {
InferenceDiagnosticsData {
name: s,
span: Some(origin.span),
description: "the constant".into(),
@ -349,16 +349,16 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
}
}
pub fn need_type_info_err(
pub fn emit_inference_failure_err(
&self,
body_id: Option<hir::BodyId>,
span: Span,
arg: GenericArg<'tcx>,
error_code: TypeAnnotationNeeded,
) -> DiagnosticBuilder<'tcx> {
let ty = self.resolve_vars_if_possible(&arg);
let arg_data = self.extract_infer_data(arg, None);
let kind_str = match ty.unpack() {
let arg = self.resolve_vars_if_possible(&arg);
let arg_data = self.extract_inference_diagnostics_data(arg, None);
let kind_str = match arg.unpack() {
GenericArgKind::Type(_) => "type",
GenericArgKind::Const(_) => "the value",
GenericArgKind::Lifetime(_) => bug!("unexpected lifetime"),
@ -700,7 +700,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
ty: Ty<'tcx>,
) -> DiagnosticBuilder<'tcx> {
let ty = self.resolve_vars_if_possible(&ty);
let data = self.extract_infer_data(ty.into(), None);
let data = self.extract_inference_diagnostics_data(ty.into(), None);
let mut err = struct_span_err!(
self.tcx.sess,

9
compiler/rustc_mir/src/borrow_check/diagnostics/region_name.rs
View File

@ -396,7 +396,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
) -> Option<RegionNameHighlight> {
let mut highlight = RegionHighlightMode::default();
highlight.highlighting_region_vid(needle_fr, counter);
let type_name = self.infcx.extract_infer_data(ty.into(), Some(highlight)).name;
let type_name =
self.infcx.extract_inference_diagnostics_data(ty.into(), Some(highlight)).name;
debug!(
"highlight_if_we_cannot_match_hir_ty: type_name={:?} needle_fr={:?}",
@ -645,7 +646,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
let mut highlight = RegionHighlightMode::default();
highlight.highlighting_region_vid(fr, *self.next_region_name.try_borrow().unwrap());
let type_name = self.infcx.extract_infer_data(return_ty.into(), Some(highlight)).name;
let type_name =
self.infcx.extract_inference_diagnostics_data(return_ty.into(), Some(highlight)).name;
let mir_hir_id = tcx.hir().local_def_id_to_hir_id(self.mir_def_id);
@ -697,7 +699,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
let mut highlight = RegionHighlightMode::default();
highlight.highlighting_region_vid(fr, *self.next_region_name.try_borrow().unwrap());
let type_name = self.infcx.extract_infer_data(yield_ty.into(), Some(highlight)).name;
let type_name =
self.infcx.extract_inference_diagnostics_data(yield_ty.into(), Some(highlight)).name;
let mir_hir_id = tcx.hir().local_def_id_to_hir_id(self.mir_def_id);

28
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
View File

@ -1512,11 +1512,21 @@ impl<'a, 'tcx> InferCtxtPrivExt<'tcx> for InferCtxt<'a, 'tcx> {
// check upstream for type errors and don't add the obligations to
// begin with in those cases.
if self.tcx.lang_items().sized_trait() == Some(trait_ref.def_id()) {
self.need_type_info_err(body_id, span, self_ty.into(), ErrorCode::E0282).emit();
self.emit_inference_failure_err(
body_id,
span,
self_ty.into(),
ErrorCode::E0282,
)
.emit();
return;
}
let mut err =
self.need_type_info_err(body_id, span, self_ty.into(), ErrorCode::E0283);
let mut err = self.emit_inference_failure_err(
body_id,
span,
self_ty.into(),
ErrorCode::E0283,
);
err.note(&format!("cannot satisfy `{}`", predicate));
if let ObligationCauseCode::ItemObligation(def_id) = obligation.cause.code {
self.suggest_fully_qualified_path(&mut err, def_id, span, trait_ref.def_id());
@ -1580,7 +1590,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'tcx> for InferCtxt<'a, 'tcx> {
return;
}
self.need_type_info_err(body_id, span, arg, ErrorCode::E0282)
self.emit_inference_failure_err(body_id, span, arg, ErrorCode::E0282)
}
ty::PredicateAtom::Subtype(data) => {
@ -1591,7 +1601,7 @@ impl<'a, 'tcx> InferCtxtPrivExt<'tcx> for InferCtxt<'a, 'tcx> {
let SubtypePredicate { a_is_expected: _, a, b } = data;
// both must be type variables, or the other would've been instantiated
assert!(a.is_ty_var() && b.is_ty_var());
self.need_type_info_err(body_id, span, a.into(), ErrorCode::E0282)
self.emit_inference_failure_err(body_id, span, a.into(), ErrorCode::E0282)
}
ty::PredicateAtom::Projection(data) => {
let trait_ref = ty::Binder::bind(data).to_poly_trait_ref(self.tcx);
@ -1602,8 +1612,12 @@ impl<'a, 'tcx> InferCtxtPrivExt<'tcx> for InferCtxt<'a, 'tcx> {
}
if self_ty.needs_infer() && ty.needs_infer() {
// We do this for the `foo.collect()?` case to produce a suggestion.
let mut err =
self.need_type_info_err(body_id, span, self_ty.into(), ErrorCode::E0284);
let mut err = self.emit_inference_failure_err(
body_id,
span,
self_ty.into(),
ErrorCode::E0284,
);
err.note(&format!("cannot satisfy `{}`", predicate));
err
} else {

2
compiler/rustc_typeck/src/check/fn_ctxt.rs
View File

@ -2991,7 +2991,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
ty
} else {
if !self.is_tainted_by_errors() {
self.need_type_info_err((**self).body_id, sp, ty.into(), E0282)
self.emit_inference_failure_err((**self).body_id, sp, ty.into(), E0282)
.note("type must be known at this point")
.emit();
}

4
compiler/rustc_typeck/src/check/writeback.rs
View File

@ -653,7 +653,7 @@ impl<'cx, 'tcx> Resolver<'cx, 'tcx> {
fn report_type_error(&self, t: Ty<'tcx>) {
if !self.tcx.sess.has_errors() {
self.infcx
.need_type_info_err(
.emit_inference_failure_err(
Some(self.body.id()),
self.span.to_span(self.tcx),
t.into(),
@ -666,7 +666,7 @@ impl<'cx, 'tcx> Resolver<'cx, 'tcx> {
fn report_const_error(&self, c: &'tcx ty::Const<'tcx>) {
if !self.tcx.sess.has_errors() {
self.infcx
.need_type_info_err(
.emit_inference_failure_err(
Some(self.body.id()),
self.span.to_span(self.tcx),
c.into(),