diff options
Diffstat (limited to 'src/librustdoc')
| -rw-r--r-- | src/librustdoc/clean/mod.rs | 4 | ||||
| -rw-r--r-- | src/librustdoc/clean/types.rs | 19 | ||||
| -rw-r--r-- | src/librustdoc/html/format.rs | 14 | ||||
| -rw-r--r-- | src/librustdoc/json/conversions.rs | 24 |
4 files changed, 32 insertions, 29 deletions
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 7d4d8d8941d..848f2abe6a9 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -216,7 +216,7 @@ fn clean_generic_bound<'tcx>( hir::GenericBound::Outlives(lt) => GenericBound::Outlives(clean_lifetime(lt, cx)), hir::GenericBound::Trait(ref t) => { // `T: ~const Destruct` is hidden because `T: Destruct` is a no-op. - if t.modifiers == hir::TraitBoundModifier::MaybeConst + if let hir::BoundConstness::Maybe(_) = t.modifiers.constness && cx.tcx.lang_items().destruct_trait() == Some(t.trait_ref.trait_def_id().unwrap()) { return None; @@ -263,7 +263,7 @@ fn clean_poly_trait_ref_with_constraints<'tcx>( trait_: clean_trait_ref_with_constraints(cx, poly_trait_ref, constraints), generic_params: clean_bound_vars(poly_trait_ref.bound_vars()), }, - hir::TraitBoundModifier::None, + hir::TraitBoundModifiers::NONE, ) } diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 675507a44c9..2e3050eee2f 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1257,7 +1257,7 @@ impl Eq for Attributes {} #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub(crate) enum GenericBound { - TraitBound(PolyTrait, hir::TraitBoundModifier), + TraitBound(PolyTrait, hir::TraitBoundModifiers), Outlives(Lifetime), /// `use<'a, T>` precise-capturing bound syntax Use(Vec<Symbol>), @@ -1265,19 +1265,22 @@ pub(crate) enum GenericBound { impl GenericBound { pub(crate) fn sized(cx: &mut DocContext<'_>) -> GenericBound { - Self::sized_with(cx, hir::TraitBoundModifier::None) + Self::sized_with(cx, hir::TraitBoundModifiers::NONE) } pub(crate) fn maybe_sized(cx: &mut DocContext<'_>) -> GenericBound { - Self::sized_with(cx, hir::TraitBoundModifier::Maybe) + Self::sized_with(cx, hir::TraitBoundModifiers { + polarity: hir::BoundPolarity::Maybe(DUMMY_SP), + constness: hir::BoundConstness::Never, + }) } - fn sized_with(cx: &mut DocContext<'_>, modifier: hir::TraitBoundModifier) -> GenericBound { + fn sized_with(cx: &mut DocContext<'_>, modifiers: hir::TraitBoundModifiers) -> GenericBound { let did = cx.tcx.require_lang_item(LangItem::Sized, None); let empty = ty::Binder::dummy(ty::GenericArgs::empty()); let path = clean_middle_path(cx, did, false, ThinVec::new(), empty); inline::record_extern_fqn(cx, did, ItemType::Trait); - GenericBound::TraitBound(PolyTrait { trait_: path, generic_params: Vec::new() }, modifier) + GenericBound::TraitBound(PolyTrait { trait_: path, generic_params: Vec::new() }, modifiers) } pub(crate) fn is_trait_bound(&self) -> bool { @@ -1285,8 +1288,10 @@ impl GenericBound { } pub(crate) fn is_sized_bound(&self, cx: &DocContext<'_>) -> bool { - use rustc_hir::TraitBoundModifier as TBM; - if let GenericBound::TraitBound(PolyTrait { ref trait_, .. }, TBM::None) = *self + if let GenericBound::TraitBound( + PolyTrait { ref trait_, .. }, + rustc_hir::TraitBoundModifiers::NONE, + ) = *self && Some(trait_.def_id()) == cx.tcx.lang_items().sized_trait() { return true; diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 2e70a8c080d..5c599f20f9f 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -399,13 +399,13 @@ impl clean::GenericBound { ) -> impl Display + 'a + Captures<'tcx> { display_fn(move |f| match self { clean::GenericBound::Outlives(lt) => write!(f, "{}", lt.print()), - clean::GenericBound::TraitBound(ty, modifier) => { - f.write_str(match modifier { - hir::TraitBoundModifier::None => "", - hir::TraitBoundModifier::Maybe => "?", - hir::TraitBoundModifier::Negative => "!", - // `const` and `~const` trait bounds are experimental; don't render them. - hir::TraitBoundModifier::Const | hir::TraitBoundModifier::MaybeConst => "", + clean::GenericBound::TraitBound(ty, modifiers) => { + // `const` and `~const` trait bounds are experimental; don't render them. + let hir::TraitBoundModifiers { polarity, constness: _ } = modifiers; + f.write_str(match polarity { + hir::BoundPolarity::Positive => "", + hir::BoundPolarity::Maybe(_) => "?", + hir::BoundPolarity::Negative(_) => "!", })?; ty.print(cx).fmt(f) } diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index 0130f2ce517..7270f170780 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -552,20 +552,18 @@ impl FromClean<clean::GenericBound> for GenericBound { } pub(crate) fn from_trait_bound_modifier( - modifier: rustc_hir::TraitBoundModifier, + modifiers: rustc_hir::TraitBoundModifiers, ) -> TraitBoundModifier { - use rustc_hir::TraitBoundModifier::*; - match modifier { - None => TraitBoundModifier::None, - Maybe => TraitBoundModifier::Maybe, - MaybeConst => TraitBoundModifier::MaybeConst, - // FIXME(const_trait_impl): Create rjt::TBM::Const and map to it once always-const bounds - // are less experimental. - Const => TraitBoundModifier::None, - // FIXME(negative-bounds): This bound should be rendered negative, but - // since that's experimental, maybe let's not add it to the rustdoc json - // API just now... - Negative => TraitBoundModifier::None, + use rustc_hir as hir; + let hir::TraitBoundModifiers { constness, polarity } = modifiers; + match (constness, polarity) { + (hir::BoundConstness::Never, hir::BoundPolarity::Positive) => TraitBoundModifier::None, + (hir::BoundConstness::Never, hir::BoundPolarity::Maybe(_)) => TraitBoundModifier::Maybe, + (hir::BoundConstness::Maybe(_), hir::BoundPolarity::Positive) => { + TraitBoundModifier::MaybeConst + } + // FIXME: Fill out the rest of this matrix. + _ => TraitBoundModifier::None, } } |