use middle::astconv_util::{prim_ty_to_ty, prohibit_type_params, prohibit_projection};
use middle::const_eval::{self, ConstVal};
use middle::const_eval::EvalHint::UncheckedExprHint;
-use middle::def;
+use middle::def::{self, Def};
use middle::def_id::DefId;
use middle::resolve_lifetime as rl;
use middle::privacy::{AllPublic, LastMod};
use middle::subst::{FnSpace, TypeSpace, SelfSpace, Subst, Substs, ParamSpace};
use middle::traits;
-use middle::ty::{self, Ty, ToPredicate, HasTypeFlags};
+use middle::ty::{self, Ty, ToPredicate, TypeFoldable};
use middle::ty::wf::object_region_bounds;
use require_c_abi_if_variadic;
use rscope::{self, UnelidableRscope, RegionScope, ElidableRscope,
fn trait_def_id<'tcx>(this: &AstConv<'tcx>, trait_ref: &hir::TraitRef) -> DefId {
let path = &trait_ref.path;
match ::lookup_full_def(this.tcx(), path.span, trait_ref.ref_id) {
- def::DefTrait(trait_def_id) => trait_def_id,
- def::DefErr => {
+ Def::Trait(trait_def_id) => trait_def_id,
+ Def::Err => {
this.tcx().sess.fatal("cannot continue compilation due to previous error");
}
_ => {
_ => None
};
match def {
- Some(def::DefTrait(trait_def_id)) => {
+ Some(Def::Trait(trait_def_id)) => {
let mut projection_bounds = Vec::new();
let trait_ref = object_path_to_poly_trait_ref(this,
rscope,
fn associated_path_def_to_ty<'tcx>(this: &AstConv<'tcx>,
span: Span,
ty: Ty<'tcx>,
- ty_path_def: def::Def,
+ ty_path_def: Def,
item_segment: &hir::PathSegment)
- -> (Ty<'tcx>, def::Def)
+ -> (Ty<'tcx>, Def)
{
let tcx = this.tcx();
let assoc_name = item_segment.identifier.name;
// Find the type of the associated item, and the trait where the associated
// item is declared.
let bound = match (&ty.sty, ty_path_def) {
- (_, def::DefSelfTy(Some(trait_did), Some((impl_id, _)))) => {
+ (_, Def::SelfTy(Some(trait_did), Some((impl_id, _)))) => {
// `Self` in an impl of a trait - we have a concrete self type and a
// trait reference.
let trait_ref = tcx.impl_trait_ref(tcx.map.local_def_id(impl_id)).unwrap();
Err(ErrorReported) => return (tcx.types.err, ty_path_def),
}
}
- (&ty::TyParam(_), def::DefSelfTy(Some(trait_did), None)) => {
+ (&ty::TyParam(_), Def::SelfTy(Some(trait_did), None)) => {
let trait_node_id = tcx.map.as_local_node_id(trait_did).unwrap();
match find_bound_for_assoc_item(this,
trait_node_id,
Err(ErrorReported) => return (tcx.types.err, ty_path_def),
}
}
- (&ty::TyParam(_), def::DefTyParam(_, _, param_did, param_name)) => {
+ (&ty::TyParam(_), Def::TyParam(_, _, param_did, param_name)) => {
let param_node_id = tcx.map.as_local_node_id(param_did).unwrap();
match find_bound_for_assoc_item(this,
param_node_id,
item.expect("missing associated type").def_id()
};
- (ty, def::DefAssociatedTy(trait_did, item_did))
+ (ty, Def::AssociatedTy(trait_did, item_did))
}
fn qpath_to_ty<'tcx>(this: &AstConv<'tcx>,
rscope: &RegionScope,
span: Span,
param_mode: PathParamMode,
- def: &def::Def,
+ def: &Def,
opt_self_ty: Option<Ty<'tcx>>,
base_segments: &[hir::PathSegment])
-> Ty<'tcx> {
let tcx = this.tcx();
match *def {
- def::DefTrait(trait_def_id) => {
+ Def::Trait(trait_def_id) => {
// N.B. this case overlaps somewhat with
// TyObjectSum, see that fn for details
let mut projection_bounds = Vec::new();
projection_bounds,
&[])
}
- def::DefTy(did, _) | def::DefStruct(did) => {
+ Def::Enum(did) | Def::TyAlias(did) | Def::Struct(did) => {
prohibit_type_params(tcx, base_segments.split_last().unwrap().1);
ast_path_to_ty(this,
rscope,
did,
base_segments.last().unwrap())
}
- def::DefTyParam(space, index, _, name) => {
+ Def::TyParam(space, index, _, name) => {
prohibit_type_params(tcx, base_segments);
tcx.mk_param(space, index, name)
}
- def::DefSelfTy(_, Some((_, self_ty_id))) => {
+ Def::SelfTy(_, Some((_, self_ty_id))) => {
// Self in impl (we know the concrete type).
prohibit_type_params(tcx, base_segments);
if let Some(&ty) = tcx.ast_ty_to_ty_cache.borrow().get(&self_ty_id) {
tcx.sess.span_bug(span, "self type has not been fully resolved")
}
}
- def::DefSelfTy(Some(_), None) => {
+ Def::SelfTy(Some(_), None) => {
// Self in trait.
prohibit_type_params(tcx, base_segments);
tcx.mk_self_type()
}
- def::DefAssociatedTy(trait_did, _) => {
+ Def::AssociatedTy(trait_did, _) => {
prohibit_type_params(tcx, &base_segments[..base_segments.len()-2]);
qpath_to_ty(this,
rscope,
&base_segments[base_segments.len()-2],
base_segments.last().unwrap())
}
- def::DefMod(id) => {
+ Def::Mod(id) => {
// Used as sentinel by callers to indicate the `<T>::A::B::C` form.
// FIXME(#22519) This part of the resolution logic should be
// avoided entirely for that form, once we stop needed a Def
opt_self_ty.expect("missing T in <T>::a::b::c")
}
- def::DefPrimTy(prim_ty) => {
+ Def::PrimTy(prim_ty) => {
prim_ty_to_ty(tcx, base_segments, prim_ty)
}
- def::DefErr => {
+ Def::Err => {
return this.tcx().types.err;
}
_ => {
rscope: &RegionScope,
span: Span,
param_mode: PathParamMode,
- def: &def::Def,
+ def: &Def,
opt_self_ty: Option<Ty<'tcx>>,
base_segments: &[hir::PathSegment],
assoc_segments: &[hir::PathSegment])
} else if let Some(hir::QSelf { position: 0, .. }) = *maybe_qself {
// Create some fake resolution that can't possibly be a type.
def::PathResolution {
- base_def: def::DefMod(tcx.map.local_def_id(ast::CRATE_NODE_ID)),
+ base_def: Def::Mod(tcx.map.local_def_id(ast::CRATE_NODE_ID)),
last_private: LastMod(AllPublic),
depth: path.segments.len()
}
// reference) in the arguments, then any anonymous regions in the output
// have that lifetime.
let implied_output_region = match explicit_self_category {
- Some(ty::ByReferenceExplicitSelfCategory(region, _)) => Ok(region),
+ Some(ty::ExplicitSelfCategory::ByReference(region, _)) => Ok(region),
_ => find_implied_output_region(this.tcx(), &arg_tys, arg_pats)
};
{
let self_ty = self_info.untransformed_self_ty;
return match self_info.explicit_self.node {
- hir::SelfStatic => (None, Some(ty::StaticExplicitSelfCategory)),
+ hir::SelfStatic => (None, Some(ty::ExplicitSelfCategory::Static)),
hir::SelfValue(_) => {
- (Some(self_ty), Some(ty::ByValueExplicitSelfCategory))
+ (Some(self_ty), Some(ty::ExplicitSelfCategory::ByValue))
}
hir::SelfRegion(ref lifetime, mutability, _) => {
let region =
ty: self_ty,
mutbl: mutability
})),
- Some(ty::ByReferenceExplicitSelfCategory(region, mutability)))
+ Some(ty::ExplicitSelfCategory::ByReference(region, mutability)))
}
hir::SelfExplicit(ref ast_type, _) => {
let explicit_type = ast_ty_to_ty(this, rscope, &**ast_type);
// ```
// impl Foo for &T {
// // Legal declarations:
- // fn method1(self: &&T); // ByReferenceExplicitSelfCategory
- // fn method2(self: &T); // ByValueExplicitSelfCategory
- // fn method3(self: Box<&T>); // ByBoxExplicitSelfCategory
+ // fn method1(self: &&T); // ExplicitSelfCategory::ByReference
+ // fn method2(self: &T); // ExplicitSelfCategory::ByValue
+ // fn method3(self: Box<&T>); // ExplicitSelfCategory::ByBox
//
// // Invalid cases will be caught later by `check_method_self_type`:
- // fn method_err1(self: &mut T); // ByReferenceExplicitSelfCategory
+ // fn method_err1(self: &mut T); // ExplicitSelfCategory::ByReference
// }
// ```
//
// call it by-ref, by-box as appropriate. For method1, for
// example, the impl type has one modifier, but the method
// type has two, so we end up with
- // ByReferenceExplicitSelfCategory.
+ // ExplicitSelfCategory::ByReference.
let impl_modifiers = count_modifiers(self_info.untransformed_self_ty);
let method_modifiers = count_modifiers(explicit_type);
method_modifiers);
let category = if impl_modifiers >= method_modifiers {
- ty::ByValueExplicitSelfCategory
+ ty::ExplicitSelfCategory::ByValue
} else {
match explicit_type.sty {
- ty::TyRef(r, mt) => ty::ByReferenceExplicitSelfCategory(*r, mt.mutbl),
- ty::TyBox(_) => ty::ByBoxExplicitSelfCategory,
- _ => ty::ByValueExplicitSelfCategory,
+ ty::TyRef(r, mt) => ty::ExplicitSelfCategory::ByReference(*r, mt.mutbl),
+ ty::TyBox(_) => ty::ExplicitSelfCategory::ByBox,
+ _ => ty::ExplicitSelfCategory::ByValue,
}
};
match *ast_bound {
hir::TraitTyParamBound(ref b, hir::TraitBoundModifier::None) => {
match ::lookup_full_def(tcx, b.trait_ref.path.span, b.trait_ref.ref_id) {
- def::DefTrait(trait_did) => {
+ Def::Trait(trait_did) => {
if tcx.try_add_builtin_trait(trait_did,
&mut builtin_bounds) {
let segments = &b.trait_ref.path.segments;
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