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add TyCtxt::as_lang_item, use in new solver

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This commit is contained in:
Michael Goulet 2024-06-29 23:01:24 -04:00
parent 49ff3909fb
commit a21ba34896
5 changed files with 126 additions and 75 deletions
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87
compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs
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@ -387,48 +387,61 @@ where
G::consider_auto_trait_candidate(self, goal)
} else if cx.trait_is_alias(trait_def_id) {
G::consider_trait_alias_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Sized) {
G::consider_builtin_sized_candidate(self, goal)
} 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 cx.is_lang_item(trait_def_id, TraitSolverLangItem::PointerLike) {
G::consider_builtin_pointer_like_candidate(self, goal)
} 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 cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncFnKindHelper) {
G::consider_builtin_async_fn_kind_helper_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Tuple) {
G::consider_builtin_tuple_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::PointeeTrait) {
G::consider_builtin_pointee_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Future) {
G::consider_builtin_future_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Iterator) {
G::consider_builtin_iterator_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::FusedIterator) {
G::consider_builtin_fused_iterator_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncIterator) {
G::consider_builtin_async_iterator_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Coroutine) {
G::consider_builtin_coroutine_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::DiscriminantKind) {
G::consider_builtin_discriminant_kind_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncDestruct) {
G::consider_builtin_async_destruct_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::Destruct) {
G::consider_builtin_destruct_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::TransmuteTrait) {
G::consider_builtin_transmute_candidate(self, goal)
} else if cx.is_lang_item(trait_def_id, TraitSolverLangItem::EffectsIntersection) {
G::consider_builtin_effects_intersection_candidate(self, goal)
} else {
Err(NoSolution)
match cx.as_lang_item(trait_def_id) {
Some(TraitSolverLangItem::Sized) => G::consider_builtin_sized_candidate(self, goal),
Some(TraitSolverLangItem::Copy | TraitSolverLangItem::Clone) => {
G::consider_builtin_copy_clone_candidate(self, goal)
}
Some(TraitSolverLangItem::PointerLike) => {
G::consider_builtin_pointer_like_candidate(self, goal)
}
Some(TraitSolverLangItem::FnPtrTrait) => {
G::consider_builtin_fn_ptr_trait_candidate(self, goal)
}
Some(TraitSolverLangItem::AsyncFnKindHelper) => {
G::consider_builtin_async_fn_kind_helper_candidate(self, goal)
}
Some(TraitSolverLangItem::Tuple) => G::consider_builtin_tuple_candidate(self, goal),
Some(TraitSolverLangItem::PointeeTrait) => {
G::consider_builtin_pointee_candidate(self, goal)
}
Some(TraitSolverLangItem::Future) => {
G::consider_builtin_future_candidate(self, goal)
}
Some(TraitSolverLangItem::Iterator) => {
G::consider_builtin_iterator_candidate(self, goal)
}
Some(TraitSolverLangItem::FusedIterator) => {
G::consider_builtin_fused_iterator_candidate(self, goal)
}
Some(TraitSolverLangItem::AsyncIterator) => {
G::consider_builtin_async_iterator_candidate(self, goal)
}
Some(TraitSolverLangItem::Coroutine) => {
G::consider_builtin_coroutine_candidate(self, goal)
}
Some(TraitSolverLangItem::DiscriminantKind) => {
G::consider_builtin_discriminant_kind_candidate(self, goal)
}
Some(TraitSolverLangItem::AsyncDestruct) => {
G::consider_builtin_async_destruct_candidate(self, goal)
}
Some(TraitSolverLangItem::Destruct) => {
G::consider_builtin_destruct_candidate(self, goal)
}
Some(TraitSolverLangItem::TransmuteTrait) => {
G::consider_builtin_transmute_candidate(self, goal)
}
Some(TraitSolverLangItem::EffectsIntersection) => {
G::consider_builtin_effects_intersection_candidate(self, goal)
}
_ => Err(NoSolution),
}
};
candidates.extend(result);