Reorder code in rustc::traits::structural_impls

This commit is contained in:
scalexm 2018-11-01 14:39:03 +01:00
parent 239df7be37
commit 156a932eef

View File

@ -171,273 +171,6 @@ impl<'tcx> fmt::Debug for traits::MismatchedProjectionTypes<'tcx> {
}
}
///////////////////////////////////////////////////////////////////////////
// Lift implementations
impl<'a, 'tcx> Lift<'tcx> for traits::SelectionError<'a> {
type Lifted = traits::SelectionError<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match *self {
super::Unimplemented => Some(super::Unimplemented),
super::OutputTypeParameterMismatch(a, b, ref err) => {
tcx.lift(&(a, b)).and_then(|(a, b)|
tcx.lift(err)
.map(|err| super::OutputTypeParameterMismatch(a, b, err))
)
}
super::TraitNotObjectSafe(def_id) => Some(super::TraitNotObjectSafe(def_id)),
super::ConstEvalFailure(err) => Some(super::ConstEvalFailure(err)),
super::Overflow => Some(super::Overflow),
}
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::ObligationCauseCode<'a> {
type Lifted = traits::ObligationCauseCode<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match *self {
super::ReturnNoExpression => Some(super::ReturnNoExpression),
super::MiscObligation => Some(super::MiscObligation),
super::SliceOrArrayElem => Some(super::SliceOrArrayElem),
super::TupleElem => Some(super::TupleElem),
super::ProjectionWf(proj) => tcx.lift(&proj).map(super::ProjectionWf),
super::ItemObligation(def_id) => Some(super::ItemObligation(def_id)),
super::ReferenceOutlivesReferent(ty) => {
tcx.lift(&ty).map(super::ReferenceOutlivesReferent)
}
super::ObjectTypeBound(ty, r) => tcx.lift(&ty).and_then(|ty|
tcx.lift(&r)
.and_then(|r| Some(super::ObjectTypeBound(ty, r)))
),
super::ObjectCastObligation(ty) => tcx.lift(&ty).map(super::ObjectCastObligation),
super::AssignmentLhsSized => Some(super::AssignmentLhsSized),
super::TupleInitializerSized => Some(super::TupleInitializerSized),
super::StructInitializerSized => Some(super::StructInitializerSized),
super::VariableType(id) => Some(super::VariableType(id)),
super::ReturnType(id) => Some(super::ReturnType(id)),
super::SizedArgumentType => Some(super::SizedArgumentType),
super::SizedReturnType => Some(super::SizedReturnType),
super::SizedYieldType => Some(super::SizedYieldType),
super::RepeatVec => Some(super::RepeatVec),
super::FieldSized { adt_kind, last } => Some(super::FieldSized { adt_kind, last }),
super::ConstSized => Some(super::ConstSized),
super::SharedStatic => Some(super::SharedStatic),
super::BuiltinDerivedObligation(ref cause) => {
tcx.lift(cause).map(super::BuiltinDerivedObligation)
}
super::ImplDerivedObligation(ref cause) => {
tcx.lift(cause).map(super::ImplDerivedObligation)
}
super::CompareImplMethodObligation {
item_name,
impl_item_def_id,
trait_item_def_id,
} => Some(super::CompareImplMethodObligation {
item_name,
impl_item_def_id,
trait_item_def_id,
}),
super::ExprAssignable => Some(super::ExprAssignable),
super::MatchExpressionArm { arm_span, source } => Some(super::MatchExpressionArm {
arm_span,
source: source,
}),
super::IfExpression => Some(super::IfExpression),
super::IfExpressionWithNoElse => Some(super::IfExpressionWithNoElse),
super::MainFunctionType => Some(super::MainFunctionType),
super::StartFunctionType => Some(super::StartFunctionType),
super::IntrinsicType => Some(super::IntrinsicType),
super::MethodReceiver => Some(super::MethodReceiver),
super::BlockTailExpression(id) => Some(super::BlockTailExpression(id)),
super::TrivialBound => Some(super::TrivialBound),
}
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::DerivedObligationCause<'a> {
type Lifted = traits::DerivedObligationCause<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.parent_trait_ref).and_then(|trait_ref|
tcx.lift(&*self.parent_code)
.map(|code| traits::DerivedObligationCause {
parent_trait_ref: trait_ref,
parent_code: Rc::new(code),
})
)
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::ObligationCause<'a> {
type Lifted = traits::ObligationCause<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.code).map(|code| traits::ObligationCause {
span: self.span,
body_id: self.body_id,
code,
})
}
}
// For codegen only.
impl<'a, 'tcx> Lift<'tcx> for traits::Vtable<'a, ()> {
type Lifted = traits::Vtable<'tcx, ()>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match self.clone() {
traits::VtableImpl(traits::VtableImplData {
impl_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableImpl(traits::VtableImplData {
impl_def_id,
substs,
nested,
})
),
traits::VtableAutoImpl(t) => Some(traits::VtableAutoImpl(t)),
traits::VtableGenerator(traits::VtableGeneratorData {
generator_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableGenerator(traits::VtableGeneratorData {
generator_def_id: generator_def_id,
substs: substs,
nested: nested,
})
),
traits::VtableClosure(traits::VtableClosureData {
closure_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableClosure(traits::VtableClosureData {
closure_def_id,
substs,
nested,
})
),
traits::VtableFnPointer(traits::VtableFnPointerData { fn_ty, nested }) => {
tcx.lift(&fn_ty).map(|fn_ty|
traits::VtableFnPointer(traits::VtableFnPointerData { fn_ty, nested })
)
}
traits::VtableParam(n) => Some(traits::VtableParam(n)),
traits::VtableBuiltin(n) => Some(traits::VtableBuiltin(n)),
traits::VtableObject(traits::VtableObjectData {
upcast_trait_ref,
vtable_base,
nested,
}) => tcx.lift(&upcast_trait_ref).map(|trait_ref|
traits::VtableObject(traits::VtableObjectData {
upcast_trait_ref: trait_ref,
vtable_base,
nested,
})
),
traits::VtableTraitAlias(traits::VtableTraitAliasData {
alias_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableTraitAlias(traits::VtableTraitAliasData {
alias_def_id,
substs,
nested,
})
),
}
}
}
///////////////////////////////////////////////////////////////////////////
// TypeFoldable implementations.
impl<'tcx, O: TypeFoldable<'tcx>> TypeFoldable<'tcx> for traits::Obligation<'tcx, O> {
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self {
traits::Obligation {
cause: self.cause.clone(),
recursion_depth: self.recursion_depth,
predicate: self.predicate.fold_with(folder),
param_env: self.param_env.fold_with(folder),
}
}
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool {
self.predicate.visit_with(visitor)
}
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableImplData<'tcx, N> {
impl_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableGeneratorData<'tcx, N> {
generator_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableClosureData<'tcx, N> {
closure_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableAutoImplData<N> {
trait_def_id, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableBuiltinData<N> {
nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableObjectData<'tcx, N> {
upcast_trait_ref, vtable_base, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableFnPointerData<'tcx, N> {
fn_ty,
nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableTraitAliasData<'tcx, N> {
alias_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
EnumTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::Vtable<'tcx, N> {
(traits::VtableImpl)(a),
(traits::VtableAutoImpl)(a),
(traits::VtableGenerator)(a),
(traits::VtableClosure)(a),
(traits::VtableFnPointer)(a),
(traits::VtableParam)(a),
(traits::VtableBuiltin)(a),
(traits::VtableObject)(a),
(traits::VtableTraitAlias)(a),
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, T> TypeFoldable<'tcx> for Normalized<'tcx, T> {
value,
obligations
} where T: TypeFoldable<'tcx>
}
impl<'tcx> fmt::Display for traits::WhereClause<'tcx> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
use traits::WhereClause::*;
@ -722,8 +455,188 @@ impl<'tcx> fmt::Display for traits::Clause<'tcx> {
}
}
EnumTypeFoldableImpl! {
impl<'tcx> TypeFoldable<'tcx> for traits::WhereClause<'tcx> {
///////////////////////////////////////////////////////////////////////////
// Lift implementations
impl<'a, 'tcx> Lift<'tcx> for traits::SelectionError<'a> {
type Lifted = traits::SelectionError<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match *self {
super::Unimplemented => Some(super::Unimplemented),
super::OutputTypeParameterMismatch(a, b, ref err) => {
tcx.lift(&(a, b)).and_then(|(a, b)|
tcx.lift(err)
.map(|err| super::OutputTypeParameterMismatch(a, b, err))
)
}
super::TraitNotObjectSafe(def_id) => Some(super::TraitNotObjectSafe(def_id)),
super::ConstEvalFailure(err) => Some(super::ConstEvalFailure(err)),
super::Overflow => Some(super::Overflow),
}
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::ObligationCauseCode<'a> {
type Lifted = traits::ObligationCauseCode<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match *self {
super::ReturnNoExpression => Some(super::ReturnNoExpression),
super::MiscObligation => Some(super::MiscObligation),
super::SliceOrArrayElem => Some(super::SliceOrArrayElem),
super::TupleElem => Some(super::TupleElem),
super::ProjectionWf(proj) => tcx.lift(&proj).map(super::ProjectionWf),
super::ItemObligation(def_id) => Some(super::ItemObligation(def_id)),
super::ReferenceOutlivesReferent(ty) => {
tcx.lift(&ty).map(super::ReferenceOutlivesReferent)
}
super::ObjectTypeBound(ty, r) => tcx.lift(&ty).and_then(|ty|
tcx.lift(&r)
.and_then(|r| Some(super::ObjectTypeBound(ty, r)))
),
super::ObjectCastObligation(ty) => tcx.lift(&ty).map(super::ObjectCastObligation),
super::AssignmentLhsSized => Some(super::AssignmentLhsSized),
super::TupleInitializerSized => Some(super::TupleInitializerSized),
super::StructInitializerSized => Some(super::StructInitializerSized),
super::VariableType(id) => Some(super::VariableType(id)),
super::ReturnType(id) => Some(super::ReturnType(id)),
super::SizedArgumentType => Some(super::SizedArgumentType),
super::SizedReturnType => Some(super::SizedReturnType),
super::SizedYieldType => Some(super::SizedYieldType),
super::RepeatVec => Some(super::RepeatVec),
super::FieldSized { adt_kind, last } => Some(super::FieldSized { adt_kind, last }),
super::ConstSized => Some(super::ConstSized),
super::SharedStatic => Some(super::SharedStatic),
super::BuiltinDerivedObligation(ref cause) => {
tcx.lift(cause).map(super::BuiltinDerivedObligation)
}
super::ImplDerivedObligation(ref cause) => {
tcx.lift(cause).map(super::ImplDerivedObligation)
}
super::CompareImplMethodObligation {
item_name,
impl_item_def_id,
trait_item_def_id,
} => Some(super::CompareImplMethodObligation {
item_name,
impl_item_def_id,
trait_item_def_id,
}),
super::ExprAssignable => Some(super::ExprAssignable),
super::MatchExpressionArm { arm_span, source } => Some(super::MatchExpressionArm {
arm_span,
source: source,
}),
super::IfExpression => Some(super::IfExpression),
super::IfExpressionWithNoElse => Some(super::IfExpressionWithNoElse),
super::MainFunctionType => Some(super::MainFunctionType),
super::StartFunctionType => Some(super::StartFunctionType),
super::IntrinsicType => Some(super::IntrinsicType),
super::MethodReceiver => Some(super::MethodReceiver),
super::BlockTailExpression(id) => Some(super::BlockTailExpression(id)),
super::TrivialBound => Some(super::TrivialBound),
}
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::DerivedObligationCause<'a> {
type Lifted = traits::DerivedObligationCause<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.parent_trait_ref).and_then(|trait_ref|
tcx.lift(&*self.parent_code)
.map(|code| traits::DerivedObligationCause {
parent_trait_ref: trait_ref,
parent_code: Rc::new(code),
})
)
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::ObligationCause<'a> {
type Lifted = traits::ObligationCause<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.code).map(|code| traits::ObligationCause {
span: self.span,
body_id: self.body_id,
code,
})
}
}
// For codegen only.
impl<'a, 'tcx> Lift<'tcx> for traits::Vtable<'a, ()> {
type Lifted = traits::Vtable<'tcx, ()>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
match self.clone() {
traits::VtableImpl(traits::VtableImplData {
impl_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableImpl(traits::VtableImplData {
impl_def_id,
substs,
nested,
})
),
traits::VtableAutoImpl(t) => Some(traits::VtableAutoImpl(t)),
traits::VtableGenerator(traits::VtableGeneratorData {
generator_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableGenerator(traits::VtableGeneratorData {
generator_def_id: generator_def_id,
substs: substs,
nested: nested,
})
),
traits::VtableClosure(traits::VtableClosureData {
closure_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableClosure(traits::VtableClosureData {
closure_def_id,
substs,
nested,
})
),
traits::VtableFnPointer(traits::VtableFnPointerData { fn_ty, nested }) => {
tcx.lift(&fn_ty).map(|fn_ty|
traits::VtableFnPointer(traits::VtableFnPointerData { fn_ty, nested })
)
}
traits::VtableParam(n) => Some(traits::VtableParam(n)),
traits::VtableBuiltin(n) => Some(traits::VtableBuiltin(n)),
traits::VtableObject(traits::VtableObjectData {
upcast_trait_ref,
vtable_base,
nested,
}) => tcx.lift(&upcast_trait_ref).map(|trait_ref|
traits::VtableObject(traits::VtableObjectData {
upcast_trait_ref: trait_ref,
vtable_base,
nested,
})
),
traits::VtableTraitAlias(traits::VtableTraitAliasData {
alias_def_id,
substs,
nested,
}) => tcx.lift(&substs).map(|substs|
traits::VtableTraitAlias(traits::VtableTraitAliasData {
alias_def_id,
substs,
nested,
})
),
}
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::WhereClause<'a> {
type Lifted = traits::WhereClause<'tcx>;
(traits::WhereClause::Implemented)(trait_ref),
(traits::WhereClause::ProjectionEq)(projection),
(traits::WhereClause::TypeOutlives)(ty_outlives),
@ -732,8 +645,170 @@ EnumTypeFoldableImpl! {
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::WhereClause<'a> {
type Lifted = traits::WhereClause<'tcx>;
impl<'a, 'tcx> Lift<'tcx> for traits::WellFormed<'a> {
type Lifted = traits::WellFormed<'tcx>;
(traits::WellFormed::Trait)(trait_ref),
(traits::WellFormed::Ty)(ty),
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::FromEnv<'a> {
type Lifted = traits::FromEnv<'tcx>;
(traits::FromEnv::Trait)(trait_ref),
(traits::FromEnv::Ty)(ty),
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::DomainGoal<'a> {
type Lifted = traits::DomainGoal<'tcx>;
(traits::DomainGoal::Holds)(wc),
(traits::DomainGoal::WellFormed)(wf),
(traits::DomainGoal::FromEnv)(from_env),
(traits::DomainGoal::Normalize)(projection),
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::GoalKind<'a> {
type Lifted = traits::GoalKind<'tcx>;
(traits::GoalKind::Implies)(hypotheses, goal),
(traits::GoalKind::And)(goal1, goal2),
(traits::GoalKind::Not)(goal),
(traits::GoalKind::DomainGoal)(domain_goal),
(traits::GoalKind::Quantified)(kind, goal),
(traits::GoalKind::CannotProve),
}
}
impl<'a, 'tcx> Lift<'tcx> for traits::Environment<'a> {
type Lifted = traits::Environment<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.clauses).map(|clauses| {
traits::Environment {
clauses,
}
})
}
}
impl<'a, 'tcx, G: Lift<'tcx>> Lift<'tcx> for traits::InEnvironment<'a, G> {
type Lifted = traits::InEnvironment<'tcx, G::Lifted>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.environment).and_then(|environment| {
tcx.lift(&self.goal).map(|goal| {
traits::InEnvironment {
environment,
goal,
}
})
})
}
}
impl<'tcx, C> Lift<'tcx> for chalk_engine::ExClause<C>
where
C: chalk_engine::context::Context + Clone,
C: traits::ExClauseLift<'tcx>,
{
type Lifted = C::LiftedExClause;
fn lift_to_tcx<'a, 'gcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self::Lifted> {
<C as traits::ExClauseLift>::lift_ex_clause_to_tcx(self, tcx)
}
}
///////////////////////////////////////////////////////////////////////////
// TypeFoldable implementations.
impl<'tcx, O: TypeFoldable<'tcx>> TypeFoldable<'tcx> for traits::Obligation<'tcx, O> {
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self {
traits::Obligation {
cause: self.cause.clone(),
recursion_depth: self.recursion_depth,
predicate: self.predicate.fold_with(folder),
param_env: self.param_env.fold_with(folder),
}
}
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool {
self.predicate.visit_with(visitor)
}
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableImplData<'tcx, N> {
impl_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableGeneratorData<'tcx, N> {
generator_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableClosureData<'tcx, N> {
closure_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableAutoImplData<N> {
trait_def_id, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableBuiltinData<N> {
nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableObjectData<'tcx, N> {
upcast_trait_ref, vtable_base, nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableFnPointerData<'tcx, N> {
fn_ty,
nested
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::VtableTraitAliasData<'tcx, N> {
alias_def_id, substs, nested
} where N: TypeFoldable<'tcx>
}
EnumTypeFoldableImpl! {
impl<'tcx, N> TypeFoldable<'tcx> for traits::Vtable<'tcx, N> {
(traits::VtableImpl)(a),
(traits::VtableAutoImpl)(a),
(traits::VtableGenerator)(a),
(traits::VtableClosure)(a),
(traits::VtableFnPointer)(a),
(traits::VtableParam)(a),
(traits::VtableBuiltin)(a),
(traits::VtableObject)(a),
(traits::VtableTraitAlias)(a),
} where N: TypeFoldable<'tcx>
}
BraceStructTypeFoldableImpl! {
impl<'tcx, T> TypeFoldable<'tcx> for Normalized<'tcx, T> {
value,
obligations
} where T: TypeFoldable<'tcx>
}
EnumTypeFoldableImpl! {
impl<'tcx> TypeFoldable<'tcx> for traits::WhereClause<'tcx> {
(traits::WhereClause::Implemented)(trait_ref),
(traits::WhereClause::ProjectionEq)(projection),
(traits::WhereClause::TypeOutlives)(ty_outlives),
@ -748,14 +823,6 @@ EnumTypeFoldableImpl! {
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::WellFormed<'a> {
type Lifted = traits::WellFormed<'tcx>;
(traits::WellFormed::Trait)(trait_ref),
(traits::WellFormed::Ty)(ty),
}
}
EnumTypeFoldableImpl! {
impl<'tcx> TypeFoldable<'tcx> for traits::FromEnv<'tcx> {
(traits::FromEnv::Trait)(trait_ref),
@ -763,14 +830,6 @@ EnumTypeFoldableImpl! {
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::FromEnv<'a> {
type Lifted = traits::FromEnv<'tcx>;
(traits::FromEnv::Trait)(trait_ref),
(traits::FromEnv::Ty)(ty),
}
}
EnumTypeFoldableImpl! {
impl<'tcx> TypeFoldable<'tcx> for traits::DomainGoal<'tcx> {
(traits::DomainGoal::Holds)(wc),
@ -780,16 +839,6 @@ EnumTypeFoldableImpl! {
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::DomainGoal<'a> {
type Lifted = traits::DomainGoal<'tcx>;
(traits::DomainGoal::Holds)(wc),
(traits::DomainGoal::WellFormed)(wf),
(traits::DomainGoal::FromEnv)(from_env),
(traits::DomainGoal::Normalize)(projection),
}
}
CloneTypeFoldableAndLiftImpls! {
traits::QuantifierKind,
}
@ -805,18 +854,6 @@ EnumTypeFoldableImpl! {
}
}
EnumLiftImpl! {
impl<'a, 'tcx> Lift<'tcx> for traits::GoalKind<'a> {
type Lifted = traits::GoalKind<'tcx>;
(traits::GoalKind::Implies)(hypotheses, goal),
(traits::GoalKind::And)(goal1, goal2),
(traits::GoalKind::Not)(goal),
(traits::GoalKind::DomainGoal)(domain_goal),
(traits::GoalKind::Quantified)(kind, goal),
(traits::GoalKind::CannotProve),
}
}
impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<traits::Goal<'tcx>> {
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self {
let v = self.iter()
@ -871,31 +908,6 @@ BraceStructTypeFoldableImpl! {
} where G: TypeFoldable<'tcx>
}
impl<'a, 'tcx> Lift<'tcx> for traits::Environment<'a> {
type Lifted = traits::Environment<'tcx>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.clauses).map(|clauses| {
traits::Environment {
clauses,
}
})
}
}
impl<'a, 'tcx, G: Lift<'tcx>> Lift<'tcx> for traits::InEnvironment<'a, G> {
type Lifted = traits::InEnvironment<'tcx, G::Lifted>;
fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
tcx.lift(&self.environment).and_then(|environment| {
tcx.lift(&self.goal).map(|goal| {
traits::InEnvironment {
environment,
goal,
}
})
})
}
}
impl<'tcx> TypeFoldable<'tcx> for traits::Clauses<'tcx> {
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self, folder: &mut F) -> Self {
let v = self.iter()
@ -930,18 +942,6 @@ where
}
}
impl<'tcx, C> Lift<'tcx> for chalk_engine::ExClause<C>
where
C: chalk_engine::context::Context + Clone,
C: traits::ExClauseLift<'tcx>,
{
type Lifted = C::LiftedExClause;
fn lift_to_tcx<'a, 'gcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self::Lifted> {
<C as traits::ExClauseLift>::lift_ex_clause_to_tcx(self, tcx)
}
}
EnumTypeFoldableImpl! {
impl<'tcx, C> TypeFoldable<'tcx> for chalk_engine::DelayedLiteral<C> {
(chalk_engine::DelayedLiteral::CannotProve)(a),