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Plumb through param_env to note_type_err

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This commit is contained in:
Michael Goulet 2024-10-15 15:17:25 -04:00
parent b8bb2968ce
commit 1920c66a8d
15 changed files with 98 additions and 39 deletions
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12
compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs
View File

@ -65,6 +65,7 @@ impl<'tcx> UniverseInfo<'tcx> {
UniverseInfoInner::RelateTys { expected, found } => {
let err = mbcx.infcx.err_ctxt().report_mismatched_types(
&cause,
mbcx.param_env,
expected,
found,
TypeError::RegionsPlaceholderMismatch,
@ -480,12 +481,11 @@ fn try_extract_error_from_region_constraints<'a, 'tcx>(
.try_report_from_nll()
.or_else(|| {
if let SubregionOrigin::Subtype(trace) = cause {
Some(
infcx.err_ctxt().report_and_explain_type_error(
*trace,
TypeError::RegionsPlaceholderMismatch,
),
)
Some(infcx.err_ctxt().report_and_explain_type_error(
*trace,
infcx.tcx.param_env(generic_param_scope),
TypeError::RegionsPlaceholderMismatch,
))
} else {
None
}

1
compiler/rustc_borrowck/src/region_infer/opaque_types.rs
View File

@ -360,6 +360,7 @@ fn check_opaque_type_well_formed<'tcx>(
.err_ctxt()
.report_mismatched_types(
&ObligationCause::misc(definition_span, def_id),
param_env,
opaque_ty,
definition_ty,
err,

15
compiler/rustc_hir_analysis/src/check/compare_impl_item.rs
View File

@ -282,6 +282,7 @@ fn compare_method_predicate_entailment<'tcx>(
let emitted = report_trait_method_mismatch(
infcx,
cause,
param_env,
terr,
(trait_m, trait_sig),
(impl_m, impl_sig),
@ -575,10 +576,10 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>(
hir.get_if_local(impl_m.def_id)
.and_then(|node| node.fn_decl())
.map(|decl| (decl.output.span(), Cow::from("return type in trait"), false)),
Some(infer::ValuePairs::Terms(ExpectedFound {
Some(param_env.and(infer::ValuePairs::Terms(ExpectedFound {
expected: trait_return_ty.into(),
found: impl_return_ty.into(),
})),
}))),
terr,
false,
);
@ -602,6 +603,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>(
let emitted = report_trait_method_mismatch(
infcx,
cause,
param_env,
terr,
(trait_m, trait_sig),
(impl_m, impl_sig),
@ -915,6 +917,7 @@ impl<'tcx> ty::FallibleTypeFolder<TyCtxt<'tcx>> for RemapHiddenTyRegions<'tcx> {
fn report_trait_method_mismatch<'tcx>(
infcx: &InferCtxt<'tcx>,
mut cause: ObligationCause<'tcx>,
param_env: ty::ParamEnv<'tcx>,
terr: TypeError<'tcx>,
(trait_m, trait_sig): (ty::AssocItem, ty::FnSig<'tcx>),
(impl_m, impl_sig): (ty::AssocItem, ty::FnSig<'tcx>),
@ -1000,10 +1003,10 @@ fn report_trait_method_mismatch<'tcx>(
&mut diag,
&cause,
trait_err_span.map(|sp| (sp, Cow::from("type in trait"), false)),
Some(infer::ValuePairs::PolySigs(ExpectedFound {
Some(param_env.and(infer::ValuePairs::PolySigs(ExpectedFound {
expected: ty::Binder::dummy(trait_sig),
found: ty::Binder::dummy(impl_sig),
})),
}))),
terr,
false,
);
@ -1797,10 +1800,10 @@ fn compare_const_predicate_entailment<'tcx>(
&mut diag,
&cause,
trait_c_span.map(|span| (span, Cow::from("type in trait"), false)),
Some(infer::ValuePairs::Terms(ExpectedFound {
Some(param_env.and(infer::ValuePairs::Terms(ExpectedFound {
expected: trait_ty.into(),
found: impl_ty.into(),
})),
}))),
terr,
false,
);

4
compiler/rustc_hir_analysis/src/check/mod.rs
View File

@ -646,10 +646,10 @@ pub fn check_function_signature<'tcx>(
&mut diag,
&cause,
None,
Some(infer::ValuePairs::PolySigs(ExpectedFound {
Some(param_env.and(infer::ValuePairs::PolySigs(ExpectedFound {
expected: expected_sig,
found: actual_sig,
})),
}))),
err,
false,
);

1
compiler/rustc_hir_analysis/src/coherence/builtin.rs
View File

@ -364,6 +364,7 @@ pub(crate) fn coerce_unsized_info<'tcx>(
.err_ctxt()
.report_mismatched_types(
&cause,
param_env,
mk_ptr(mt_b.ty),
target,
ty::error::TypeError::Mutability,

4
compiler/rustc_hir_typeck/src/callee.rs
View File

@ -862,7 +862,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
}
Err(e) => {
// FIXME(effects): better diagnostic
self.err_ctxt().report_mismatched_consts(&cause, effect, param, e).emit();
self.err_ctxt()
.report_mismatched_consts(&cause, self.param_env, effect, param, e)
.emit();
}
}
}

6
compiler/rustc_hir_typeck/src/coercion.rs
View File

@ -1723,6 +1723,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
}) => {
err = fcx.err_ctxt().report_mismatched_types(
cause,
fcx.param_env,
expected,
found,
coercion_error,
@ -1752,6 +1753,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
}) => {
err = fcx.err_ctxt().report_mismatched_types(
cause,
fcx.param_env,
expected,
found,
coercion_error,
@ -1787,6 +1789,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
_ => {
err = fcx.err_ctxt().report_mismatched_types(
cause,
fcx.param_env,
expected,
found,
coercion_error,
@ -1897,7 +1900,8 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
block_or_return_id: hir::HirId,
expression: Option<&'tcx hir::Expr<'tcx>>,
) -> Diag<'infcx> {
let mut err = fcx.err_ctxt().report_mismatched_types(cause, expected, found, ty_err);
let mut err =
fcx.err_ctxt().report_mismatched_types(cause, fcx.param_env, expected, found, ty_err);
let due_to_block = matches!(fcx.tcx.hir_node(block_or_return_id), hir::Node::Block(..));

11
compiler/rustc_hir_typeck/src/demand.rs
View File

@ -191,7 +191,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
self.at(cause, self.param_env)
.sup(DefineOpaqueTypes::Yes, expected, actual)
.map(|infer_ok| self.register_infer_ok_obligations(infer_ok))
.map_err(|e| self.err_ctxt().report_mismatched_types(cause, expected, actual, e))
.map_err(|e| {
self.err_ctxt().report_mismatched_types(cause, self.param_env, expected, actual, e)
})
}
pub(crate) fn demand_eqtype(&self, sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>) {
@ -218,7 +220,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
self.at(cause, self.param_env)
.eq(DefineOpaqueTypes::Yes, expected, actual)
.map(|infer_ok| self.register_infer_ok_obligations(infer_ok))
.map_err(|e| self.err_ctxt().report_mismatched_types(cause, expected, actual, e))
.map_err(|e| {
self.err_ctxt().report_mismatched_types(cause, self.param_env, expected, actual, e)
})
}
pub(crate) fn demand_coerce(
@ -271,7 +275,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let expr = expr.peel_drop_temps();
let cause = self.misc(expr.span);
let expr_ty = self.resolve_vars_if_possible(checked_ty);
let mut err = self.err_ctxt().report_mismatched_types(&cause, expected, expr_ty, e);
let mut err =
self.err_ctxt().report_mismatched_types(&cause, self.param_env, expected, expr_ty, e);
self.emit_coerce_suggestions(&mut err, expr, expr_ty, expected, expected_ty_expr, Some(e));

9
compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs
View File

@ -827,6 +827,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
formal_and_expected_inputs[mismatch_idx.into()],
provided_arg_tys[mismatch_idx.into()].0,
),
self.param_env,
terr,
);
err.span_label(
@ -912,7 +913,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let trace =
mk_trace(provided_span, formal_and_expected_inputs[*expected_idx], provided_ty);
if !matches!(trace.cause.as_failure_code(*e), FailureCode::Error0308) {
let mut err = self.err_ctxt().report_and_explain_type_error(trace, *e);
let mut err =
self.err_ctxt().report_and_explain_type_error(trace, self.param_env, *e);
suggest_confusable(&mut err);
reported = Some(err.emit());
return false;
@ -940,7 +942,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let (formal_ty, expected_ty) = formal_and_expected_inputs[*expected_idx];
let (provided_ty, provided_arg_span) = provided_arg_tys[*provided_idx];
let trace = mk_trace(provided_arg_span, (formal_ty, expected_ty), provided_ty);
let mut err = self.err_ctxt().report_and_explain_type_error(trace, *err);
let mut err =
self.err_ctxt().report_and_explain_type_error(trace, self.param_env, *err);
self.emit_coerce_suggestions(
&mut err,
provided_args[*provided_idx],
@ -1113,7 +1116,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
&mut err,
&trace.cause,
None,
Some(trace.values),
Some(self.param_env.and(trace.values)),
e,
true,
);

8
compiler/rustc_hir_typeck/src/method/confirm.rs
View File

@ -538,7 +538,13 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> {
// to the feature, like the self type can't reference method args.
if self.tcx.features().arbitrary_self_types() {
self.err_ctxt()
.report_mismatched_types(&cause, method_self_ty, self_ty, terr)
.report_mismatched_types(
&cause,
self.param_env,
method_self_ty,
self_ty,
terr,
)
.emit();
} else {
// This has/will have errored in wfcheck, which we cannot depend on from here, as typeck on functions

4
compiler/rustc_passes/src/check_attr.rs
View File

@ -2300,10 +2300,10 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
&mut diag,
&cause,
None,
Some(ValuePairs::PolySigs(ExpectedFound {
Some(param_env.and(ValuePairs::PolySigs(ExpectedFound {
expected: ty::Binder::dummy(expected_sig),
found: ty::Binder::dummy(sig),
})),
}))),
terr,
false,
);

31
compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
View File

@ -75,6 +75,7 @@ use crate::errors::{ObligationCauseFailureCode, TypeErrorAdditionalDiags};
use crate::infer;
use crate::infer::relate::{self, RelateResult, TypeRelation};
use crate::infer::{InferCtxt, TypeTrace, ValuePairs};
use crate::solve::deeply_normalize_for_diagnostics;
use crate::traits::{
IfExpressionCause, MatchExpressionArmCause, ObligationCause, ObligationCauseCode,
};
@ -145,21 +146,31 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
pub fn report_mismatched_types(
&self,
cause: &ObligationCause<'tcx>,
param_env: ty::ParamEnv<'tcx>,
expected: Ty<'tcx>,
actual: Ty<'tcx>,
err: TypeError<'tcx>,
) -> Diag<'a> {
self.report_and_explain_type_error(TypeTrace::types(cause, true, expected, actual), err)
self.report_and_explain_type_error(
TypeTrace::types(cause, true, expected, actual),
param_env,
err,
)
}
pub fn report_mismatched_consts(
&self,
cause: &ObligationCause<'tcx>,
param_env: ty::ParamEnv<'tcx>,
expected: ty::Const<'tcx>,
actual: ty::Const<'tcx>,
err: TypeError<'tcx>,
) -> Diag<'a> {
self.report_and_explain_type_error(TypeTrace::consts(cause, true, expected, actual), err)
self.report_and_explain_type_error(
TypeTrace::consts(cause, true, expected, actual),
param_env,
err,
)
}
pub fn get_impl_future_output_ty(&self, ty: Ty<'tcx>) -> Option<Ty<'tcx>> {
@ -1133,7 +1144,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
diag: &mut Diag<'_>,
cause: &ObligationCause<'tcx>,
secondary_span: Option<(Span, Cow<'static, str>, bool)>,
mut values: Option<ValuePairs<'tcx>>,
mut values: Option<ty::ParamEnvAnd<'tcx, ValuePairs<'tcx>>>,
terr: TypeError<'tcx>,
prefer_label: bool,
) {
@ -1241,8 +1252,8 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
}
let (expected_found, exp_found, is_simple_error, values) = match values {
None => (None, Mismatch::Fixed("type"), false, None),
Some(values) => {
let values = self.resolve_vars_if_possible(values);
Some(ty::ParamEnvAnd { param_env: _, value: values }) => {
let mut values = self.resolve_vars_if_possible(values);
let (is_simple_error, exp_found) = match values {
ValuePairs::Terms(ExpectedFound { expected, found }) => {
match (expected.unpack(), found.unpack()) {
@ -1773,6 +1784,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
pub fn report_and_explain_type_error(
&self,
trace: TypeTrace<'tcx>,
param_env: ty::ParamEnv<'tcx>,
terr: TypeError<'tcx>,
) -> Diag<'a> {
debug!("report_and_explain_type_error(trace={:?}, terr={:?})", trace, terr);
@ -1784,7 +1796,14 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
self.type_error_additional_suggestions(&trace, terr),
);
let mut diag = self.dcx().create_err(failure_code);
self.note_type_err(&mut diag, &trace.cause, None, Some(trace.values), terr, false);
self.note_type_err(
&mut diag,
&trace.cause,
None,
Some(param_env.and(trace.values)),
terr,
false,
);
diag
}

12
compiler/rustc_trait_selection/src/error_reporting/infer/region.rs
View File

@ -295,7 +295,11 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
let mut err = match origin {
infer::Subtype(box trace) => {
let terr = TypeError::RegionsDoesNotOutlive(sup, sub);
let mut err = self.report_and_explain_type_error(trace, terr);
let mut err = self.report_and_explain_type_error(
trace,
self.tcx.param_env(generic_param_scope),
terr,
);
match (*sub, *sup) {
(ty::RePlaceholder(_), ty::RePlaceholder(_)) => {}
(ty::RePlaceholder(_), _) => {
@ -646,7 +650,11 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
}
infer::Subtype(box trace) => {
let terr = TypeError::RegionsPlaceholderMismatch;
return self.report_and_explain_type_error(trace, terr);
return self.report_and_explain_type_error(
trace,
self.tcx.param_env(generic_param_scope),
terr,
);
}
_ => {
return self.report_concrete_failure(

17
compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs
View File

@ -1290,7 +1290,6 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
(
Some((
data.projection_term,
false,
self.resolve_vars_if_possible(normalized_term),
data.term,
)),
@ -1335,7 +1334,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
derive_better_type_error(lhs, rhs)
{
(
Some((lhs, true, self.resolve_vars_if_possible(expected_term), rhs)),
Some((lhs, self.resolve_vars_if_possible(expected_term), rhs)),
better_type_err,
)
} else if let Some(rhs) = rhs.to_alias_term()
@ -1343,7 +1342,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
derive_better_type_error(rhs, lhs)
{
(
Some((rhs, true, self.resolve_vars_if_possible(expected_term), lhs)),
Some((rhs, self.resolve_vars_if_possible(expected_term), lhs)),
better_type_err,
)
} else {
@ -1354,7 +1353,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
};
let msg = values
.and_then(|(predicate, _, normalized_term, expected_term)| {
.and_then(|(predicate, normalized_term, expected_term)| {
self.maybe_detailed_projection_msg(predicate, normalized_term, expected_term)
})
.unwrap_or_else(|| {
@ -1431,8 +1430,12 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
&mut diag,
&obligation.cause,
secondary_span,
values.map(|(_, _, normalized_ty, expected_ty)| {
infer::ValuePairs::Terms(ExpectedFound::new(true, expected_ty, normalized_ty))
values.map(|(_, normalized_ty, expected_ty)| {
obligation.param_env.and(infer::ValuePairs::Terms(ExpectedFound::new(
true,
expected_ty,
normalized_ty,
)))
}),
err,
false,
@ -2654,6 +2657,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
};
self.report_and_explain_type_error(
TypeTrace::trait_refs(&cause, true, expected_trait_ref, found_trait_ref),
obligation.param_env,
terr,
)
}
@ -2744,6 +2748,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
{
return Ok(self.report_and_explain_type_error(
TypeTrace::trait_refs(&obligation.cause, true, expected_trait_ref, found_trait_ref),
obligation.param_env,
ty::error::TypeError::Mismatch,
));
}

2
compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs
View File

@ -287,6 +287,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
FulfillmentErrorCode::Subtype(ref expected_found, ref err) => self
.report_mismatched_types(
&error.obligation.cause,
error.obligation.param_env,
expected_found.expected,
expected_found.found,
*err,
@ -295,6 +296,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
FulfillmentErrorCode::ConstEquate(ref expected_found, ref err) => {
let mut diag = self.report_mismatched_consts(
&error.obligation.cause,
error.obligation.param_env,
expected_found.expected,
expected_found.found,
*err,