Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Rename tcx to cx in new solver generic code #126812

Merged
merged 1 commit into from
Jun 26, 2024
Merged

Rename tcx to cx in new solver generic code #126812

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions compiler/rustc_next_trait_solver/src/solve/alias_relate.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,14 +32,14 @@ where
&mut self,
goal: Goal<I, (I::Term, I::Term, ty::AliasRelationDirection)>,
) -> QueryResult<I> {
let tcx = self.cx();
let cx = self.cx();
let Goal { param_env, predicate: (lhs, rhs, direction) } = goal;
debug_assert!(lhs.to_alias_term().is_some() || rhs.to_alias_term().is_some());

// Structurally normalize the lhs.
let lhs = if let Some(alias) = lhs.to_alias_term() {
let term = self.next_term_infer_of_kind(lhs);
self.add_normalizes_to_goal(goal.with(tcx, ty::NormalizesTo { alias, term }));
self.add_normalizes_to_goal(goal.with(cx, ty::NormalizesTo { alias, term }));
term
} else {
lhs
Expand All @@ -48,7 +48,7 @@ where
// Structurally normalize the rhs.
let rhs = if let Some(alias) = rhs.to_alias_term() {
let term = self.next_term_infer_of_kind(rhs);
self.add_normalizes_to_goal(goal.with(tcx, ty::NormalizesTo { alias, term }));
self.add_normalizes_to_goal(goal.with(cx, ty::NormalizesTo { alias, term }));
term
} else {
rhs
Expand Down
85 changes: 42 additions & 43 deletions compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,11 +36,11 @@ where
{
fn self_ty(self) -> I::Ty;

fn trait_ref(self, tcx: I) -> ty::TraitRef<I>;
fn trait_ref(self, cx: I) -> ty::TraitRef<I>;

fn with_self_ty(self, tcx: I, self_ty: I::Ty) -> Self;
fn with_self_ty(self, cx: I, self_ty: I::Ty) -> Self;

fn trait_def_id(self, tcx: I) -> I::DefId;
fn trait_def_id(self, cx: I) -> I::DefId;

/// Try equating an assumption predicate against a goal's predicate. If it
/// holds, then execute the `then` callback, which should do any additional
Expand Down Expand Up @@ -82,7 +82,7 @@ where
assumption: I::Clause,
) -> Result<Candidate<I>, NoSolution> {
Self::probe_and_match_goal_against_assumption(ecx, source, goal, assumption, |ecx| {
let tcx = ecx.cx();
let cx = ecx.cx();
let ty::Dynamic(bounds, _, _) = goal.predicate.self_ty().kind() else {
panic!("expected object type in `probe_and_consider_object_bound_candidate`");
};
Expand All @@ -91,7 +91,7 @@ where
structural_traits::predicates_for_object_candidate(
ecx,
goal.param_env,
goal.predicate.trait_ref(tcx),
goal.predicate.trait_ref(cx),
bounds,
),
);
Expand Down Expand Up @@ -340,15 +340,15 @@ where
goal: Goal<I, G>,
candidates: &mut Vec<Candidate<I>>,
) {
let tcx = self.cx();
tcx.for_each_relevant_impl(
goal.predicate.trait_def_id(tcx),
let cx = self.cx();
cx.for_each_relevant_impl(
goal.predicate.trait_def_id(cx),
goal.predicate.self_ty(),
|impl_def_id| {
// For every `default impl`, there's always a non-default `impl`
// that will *also* apply. There's no reason to register a candidate
// for this impl, since it is *not* proof that the trait goal holds.
if tcx.impl_is_default(impl_def_id) {
if cx.impl_is_default(impl_def_id) {
return;
}

Expand All @@ -366,8 +366,8 @@ where
goal: Goal<I, G>,
candidates: &mut Vec<Candidate<I>>,
) {
let tcx = self.cx();
let trait_def_id = goal.predicate.trait_def_id(tcx);
let cx = self.cx();
let trait_def_id = goal.predicate.trait_def_id(cx);

// N.B. When assembling built-in candidates for lang items that are also
// `auto` traits, then the auto trait candidate that is assembled in
Expand All @@ -378,47 +378,47 @@ where
// `solve::trait_goals` instead.
let result = if let Err(guar) = goal.predicate.error_reported() {
G::consider_error_guaranteed_candidate(self, guar)
} else if tcx.trait_is_auto(trait_def_id) {
} else if cx.trait_is_auto(trait_def_id) {
G::consider_auto_trait_candidate(self, goal)
} else if tcx.trait_is_alias(trait_def_id) {
} else if cx.trait_is_alias(trait_def_id) {
G::consider_trait_alias_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Sized) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Sized) {
G::consider_builtin_sized_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Copy)
|| tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Clone)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Copy)
|| cx.is_lang_item(trait_def_id, TraitSolverLangItem::Clone)
{
G::consider_builtin_copy_clone_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::PointerLike) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::PointerLike) {
G::consider_builtin_pointer_like_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::FnPtrTrait) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::FnPtrTrait) {
G::consider_builtin_fn_ptr_trait_candidate(self, goal)
} else if let Some(kind) = self.cx().fn_trait_kind_from_def_id(trait_def_id) {
G::consider_builtin_fn_trait_candidates(self, goal, kind)
} else if let Some(kind) = self.cx().async_fn_trait_kind_from_def_id(trait_def_id) {
G::consider_builtin_async_fn_trait_candidates(self, goal, kind)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncFnKindHelper) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncFnKindHelper) {
G::consider_builtin_async_fn_kind_helper_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Tuple) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Tuple) {
G::consider_builtin_tuple_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::PointeeTrait) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::PointeeTrait) {
G::consider_builtin_pointee_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Future) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Future) {
G::consider_builtin_future_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Iterator) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Iterator) {
G::consider_builtin_iterator_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::FusedIterator) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::FusedIterator) {
G::consider_builtin_fused_iterator_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncIterator) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncIterator) {
G::consider_builtin_async_iterator_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Coroutine) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Coroutine) {
G::consider_builtin_coroutine_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::DiscriminantKind) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::DiscriminantKind) {
G::consider_builtin_discriminant_kind_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncDestruct) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncDestruct) {
G::consider_builtin_async_destruct_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Destruct) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Destruct) {
G::consider_builtin_destruct_candidate(self, goal)
} else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::TransmuteTrait) {
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::TransmuteTrait) {
G::consider_builtin_transmute_candidate(self, goal)
} else {
Err(NoSolution)
Expand All @@ -428,7 +428,7 @@ where

// There may be multiple unsize candidates for a trait with several supertraits:
// `trait Foo: Bar<A> + Bar<B>` and `dyn Foo: Unsize<dyn Bar<_>>`
if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Unsize) {
if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Unsize) {
candidates.extend(G::consider_structural_builtin_unsize_candidates(self, goal));
}
}
Expand Down Expand Up @@ -557,8 +557,8 @@ where
goal: Goal<I, G>,
candidates: &mut Vec<Candidate<I>>,
) {
let tcx = self.cx();
if !tcx.trait_may_be_implemented_via_object(goal.predicate.trait_def_id(tcx)) {
let cx = self.cx();
if !cx.trait_may_be_implemented_via_object(goal.predicate.trait_def_id(cx)) {
return;
}

Expand Down Expand Up @@ -596,7 +596,7 @@ where
};

// Do not consider built-in object impls for non-object-safe types.
if bounds.principal_def_id().is_some_and(|def_id| !tcx.trait_is_object_safe(def_id)) {
if bounds.principal_def_id().is_some_and(|def_id| !cx.trait_is_object_safe(def_id)) {
return;
}

Expand All @@ -614,7 +614,7 @@ where
self,
CandidateSource::BuiltinImpl(BuiltinImplSource::Misc),
goal,
bound.with_self_ty(tcx, self_ty),
bound.with_self_ty(cx, self_ty),
));
}
}
Expand All @@ -624,14 +624,13 @@ where
// since we don't need to look at any supertrait or anything if we are doing
// a projection goal.
if let Some(principal) = bounds.principal() {
let principal_trait_ref = principal.with_self_ty(tcx, self_ty);
for (idx, assumption) in D::elaborate_supertraits(tcx, principal_trait_ref).enumerate()
{
let principal_trait_ref = principal.with_self_ty(cx, self_ty);
for (idx, assumption) in D::elaborate_supertraits(cx, principal_trait_ref).enumerate() {
candidates.extend(G::probe_and_consider_object_bound_candidate(
self,
CandidateSource::BuiltinImpl(BuiltinImplSource::Object(idx)),
goal,
assumption.upcast(tcx),
assumption.upcast(cx),
));
}
}
Expand All @@ -649,11 +648,11 @@ where
goal: Goal<I, G>,
candidates: &mut Vec<Candidate<I>>,
) {
let tcx = self.cx();
let cx = self.cx();

candidates.extend(self.probe_trait_candidate(CandidateSource::CoherenceUnknowable).enter(
|ecx| {
let trait_ref = goal.predicate.trait_ref(tcx);
let trait_ref = goal.predicate.trait_ref(cx);
if ecx.trait_ref_is_knowable(goal.param_env, trait_ref)? {
Err(NoSolution)
} else {
Expand All @@ -678,9 +677,9 @@ where
goal: Goal<I, G>,
candidates: &mut Vec<Candidate<I>>,
) {
let tcx = self.cx();
let cx = self.cx();
let trait_goal: Goal<I, ty::TraitPredicate<I>> =
goal.with(tcx, goal.predicate.trait_ref(tcx));
goal.with(cx, goal.predicate.trait_ref(cx));

let mut trait_candidates_from_env = vec![];
self.probe(|_| ProbeKind::ShadowedEnvProbing).enter(|ecx| {
Expand Down
Loading
Loading