diff options
Diffstat (limited to 'src/librustdoc')
57 files changed, 2836 insertions, 2620 deletions
diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index ddaa7438e..7bc35c7d5 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -10,18 +10,19 @@ path = "lib.rs" arrayvec = { version = "0.7", default-features = false } askama = { version = "0.11", default-features = false, features = ["config"] } atty = "0.2" +itertools = "0.10.1" +minifier = "0.2.2" +once_cell = "1.10.0" pulldown-cmark = { version = "0.9.2", default-features = false } -minifier = "0.2.1" -serde = { version = "1.0", features = ["derive"] } +regex = "1" +rustdoc-json-types = { path = "../rustdoc-json-types" } serde_json = "1.0" +serde = { version = "1.0", features = ["derive"] } smallvec = "1.8.1" tempfile = "3" -itertools = "0.10.1" -regex = "1" -rustdoc-json-types = { path = "../rustdoc-json-types" } +thin-vec = "0.2.8" tracing = "0.1" tracing-tree = "0.2.0" -once_cell = "1.10.0" [dependencies.tracing-subscriber] version = "0.3.3" diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index af33c1a6a..175472797 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -123,7 +123,7 @@ where kind: Box::new(ImplItem(Box::new(Impl { unsafety: hir::Unsafety::Normal, generics: new_generics, - trait_: Some(clean_trait_ref_with_bindings(self.cx, trait_ref, &[])), + trait_: Some(clean_trait_ref_with_bindings(self.cx, trait_ref, ThinVec::new())), for_: clean_middle_ty(ty, self.cx, None), items: Vec::new(), polarity, @@ -476,7 +476,7 @@ where let mut ty_to_fn: FxHashMap<Type, (PolyTrait, Option<Type>)> = Default::default(); for p in clean_where_predicates { - let (orig_p, p) = (p, p.clean(self.cx)); + let (orig_p, p) = (p, clean_predicate(p, self.cx)); if p.is_none() { continue; } @@ -525,8 +525,8 @@ where GenericBound::TraitBound(ref mut p, _) => { // Insert regions into the for_generics hash map first, to ensure // that we don't end up with duplicate bounds (e.g., for<'b, 'b>) - for_generics.extend(p.generic_params.clone()); - p.generic_params = for_generics.into_iter().collect(); + for_generics.extend(p.generic_params.drain(..)); + p.generic_params.extend(for_generics); self.is_fn_trait(&p.trait_) } _ => false, @@ -551,13 +551,15 @@ where } WherePredicate::EqPredicate { lhs, rhs } => { match lhs { - Type::QPath { ref assoc, ref self_type, ref trait_, .. } => { + Type::QPath(box QPathData { + ref assoc, ref self_type, ref trait_, .. + }) => { let ty = &*self_type; let mut new_trait = trait_.clone(); if self.is_fn_trait(trait_) && assoc.name == sym::Output { ty_to_fn - .entry(*ty.clone()) + .entry(ty.clone()) .and_modify(|e| { *e = (e.0.clone(), Some(rhs.ty().unwrap().clone())) }) @@ -582,7 +584,7 @@ where // to 'T: Iterator<Item=u8>' GenericArgs::AngleBracketed { ref mut bindings, .. } => { bindings.push(TypeBinding { - assoc: *assoc.clone(), + assoc: assoc.clone(), kind: TypeBindingKind::Equality { term: rhs }, }); } @@ -596,7 +598,7 @@ where } } - let bounds = ty_to_bounds.entry(*ty.clone()).or_default(); + let bounds = ty_to_bounds.entry(ty.clone()).or_default(); bounds.insert(GenericBound::TraitBound( PolyTrait { trait_: new_trait, generic_params: Vec::new() }, @@ -613,7 +615,7 @@ where )); // Avoid creating any new duplicate bounds later in the outer // loop - ty_to_traits.entry(*ty.clone()).or_default().insert(trait_.clone()); + ty_to_traits.entry(ty.clone()).or_default().insert(trait_.clone()); } _ => panic!("Unexpected LHS {:?} for {:?}", lhs, item_def_id), } diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index 01dd95e6e..cc734389e 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -115,12 +115,12 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { ), // FIXME(eddyb) compute both `trait_` and `for_` from // the post-inference `trait_ref`, as it's more accurate. - trait_: Some(clean_trait_ref_with_bindings(cx, trait_ref.0, &[])), + trait_: Some(clean_trait_ref_with_bindings(cx, trait_ref.0, ThinVec::new())), for_: clean_middle_ty(ty.0, cx, None), items: cx.tcx .associated_items(impl_def_id) .in_definition_order() - .map(|x| x.clean(cx)) + .map(|x| clean_middle_assoc_item(x, cx)) .collect::<Vec<_>>(), polarity: ty::ImplPolarity::Positive, kind: ImplKind::Blanket(Box::new(clean_middle_ty(trait_ref.0.self_ty(), cx, None))), diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index 58d0aedb0..df0e9f7cc 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -3,9 +3,10 @@ use std::iter::once; use std::sync::Arc; +use thin_vec::ThinVec; + use rustc_ast as ast; use rustc_data_structures::fx::FxHashSet; -use rustc_data_structures::thin_vec::ThinVec; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; @@ -16,15 +17,14 @@ use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Symbol}; use crate::clean::{ - self, clean_fn_decl_from_did_and_sig, clean_middle_field, clean_middle_ty, - clean_trait_ref_with_bindings, clean_ty, clean_ty_generics, clean_variant_def, - clean_visibility, utils, Attributes, AttributesExt, Clean, ImplKind, ItemId, Type, Visibility, + self, clean_fn_decl_from_did_and_sig, clean_generics, clean_impl_item, clean_middle_assoc_item, + clean_middle_field, clean_middle_ty, clean_trait_ref_with_bindings, clean_ty, + clean_ty_generics, clean_variant_def, clean_visibility, utils, Attributes, AttributesExt, + ImplKind, ItemId, Type, Visibility, }; use crate::core::DocContext; use crate::formats::item_type::ItemType; -type Attrs<'hir> = &'hir [ast::Attribute]; - /// Attempt to inline a definition into this AST. /// /// This function will fetch the definition specified, and if it is @@ -45,7 +45,7 @@ pub(crate) fn try_inline( import_def_id: Option<DefId>, res: Res, name: Symbol, - attrs: Option<Attrs<'_>>, + attrs: Option<&[ast::Attribute]>, visited: &mut FxHashSet<DefId>, ) -> Option<Vec<clean::Item>> { let did = res.opt_def_id()?; @@ -61,7 +61,7 @@ pub(crate) fn try_inline( Res::Def(DefKind::Trait, did) => { record_extern_fqn(cx, did, ItemType::Trait); build_impls(cx, Some(parent_module), did, attrs, &mut ret); - clean::TraitItem(build_external_trait(cx, did)) + clean::TraitItem(Box::new(build_external_trait(cx, did))) } Res::Def(DefKind::Fn, did) => { record_extern_fqn(cx, did, ItemType::Function); @@ -171,7 +171,7 @@ pub(crate) fn try_inline_glob( } } -pub(crate) fn load_attrs<'hir>(cx: &DocContext<'hir>, did: DefId) -> Attrs<'hir> { +pub(crate) fn load_attrs<'hir>(cx: &DocContext<'hir>, did: DefId) -> &'hir [ast::Attribute] { cx.tcx.get_attrs_unchecked(did) } @@ -217,7 +217,7 @@ pub(crate) fn build_external_trait(cx: &mut DocContext<'_>, did: DefId) -> clean // which causes methods to have a `pub` prefix, which is invalid since items in traits // can not have a visibility prefix. Thus we override the visibility here manually. // See https://github.com/rust-lang/rust/issues/81274 - clean::Item { visibility: Visibility::Inherited, ..item.clean(cx) } + clean::Item { visibility: Visibility::Inherited, ..clean_middle_assoc_item(item, cx) } }) .collect(); @@ -286,7 +286,7 @@ pub(crate) fn build_impls( cx: &mut DocContext<'_>, parent_module: Option<DefId>, did: DefId, - attrs: Option<Attrs<'_>>, + attrs: Option<&[ast::Attribute]>, ret: &mut Vec<clean::Item>, ) { let _prof_timer = cx.tcx.sess.prof.generic_activity("build_inherent_impls"); @@ -296,14 +296,29 @@ pub(crate) fn build_impls( for &did in tcx.inherent_impls(did).iter() { build_impl(cx, parent_module, did, attrs, ret); } + + // This pretty much exists expressly for `dyn Error` traits that exist in the `alloc` crate. + // See also: + // + // * https://github.com/rust-lang/rust/issues/103170 — where it didn't used to get documented + // * https://github.com/rust-lang/rust/pull/99917 — where the feature got used + // * https://github.com/rust-lang/rust/issues/53487 — overall tracking issue for Error + if tcx.has_attr(did, sym::rustc_has_incoherent_inherent_impls) { + use rustc_middle::ty::fast_reject::SimplifiedTypeGen::*; + let type_ = + if tcx.is_trait(did) { TraitSimplifiedType(did) } else { AdtSimplifiedType(did) }; + for &did in tcx.incoherent_impls(type_) { + build_impl(cx, parent_module, did, attrs, ret); + } + } } /// `parent_module` refers to the parent of the re-export, not the original item -fn merge_attrs( +pub(crate) fn merge_attrs( cx: &mut DocContext<'_>, parent_module: Option<DefId>, - old_attrs: Attrs<'_>, - new_attrs: Option<Attrs<'_>>, + old_attrs: &[ast::Attribute], + new_attrs: Option<&[ast::Attribute]>, ) -> (clean::Attributes, Option<Arc<clean::cfg::Cfg>>) { // NOTE: If we have additional attributes (from a re-export), // always insert them first. This ensure that re-export @@ -330,7 +345,7 @@ pub(crate) fn build_impl( cx: &mut DocContext<'_>, parent_module: Option<DefId>, did: DefId, - attrs: Option<Attrs<'_>>, + attrs: Option<&[ast::Attribute]>, ret: &mut Vec<clean::Item>, ) { if !cx.inlined.insert(did.into()) { @@ -426,9 +441,9 @@ pub(crate) fn build_impl( true } }) - .map(|item| item.clean(cx)) + .map(|item| clean_impl_item(item, cx)) .collect::<Vec<_>>(), - impl_.generics.clean(cx), + clean_generics(impl_.generics, cx), ), None => ( tcx.associated_items(did) @@ -452,7 +467,7 @@ pub(crate) fn build_impl( item.visibility(tcx).is_public() } }) - .map(|item| item.clean(cx)) + .map(|item| clean_middle_assoc_item(item, cx)) .collect::<Vec<_>>(), clean::enter_impl_trait(cx, |cx| { clean_ty_generics(cx, tcx.generics_of(did), predicates) @@ -460,7 +475,7 @@ pub(crate) fn build_impl( ), }; let polarity = tcx.impl_polarity(did); - let trait_ = associated_trait.map(|t| clean_trait_ref_with_bindings(cx, t, &[])); + let trait_ = associated_trait.map(|t| clean_trait_ref_with_bindings(cx, t, ThinVec::new())); if trait_.as_ref().map(|t| t.def_id()) == tcx.lang_items().deref_trait() { super::build_deref_target_impls(cx, &trait_items, ret); } @@ -671,7 +686,7 @@ fn filter_non_trait_generics(trait_did: DefId, mut g: clean::Generics) -> clean: g.where_predicates.retain(|pred| match pred { clean::WherePredicate::BoundPredicate { - ty: clean::QPath { self_type: box clean::Generic(ref s), trait_, .. }, + ty: clean::QPath(box clean::QPathData { self_type: clean::Generic(ref s), trait_, .. }), bounds, .. } => !(bounds.is_empty() || *s == kw::SelfUpper && trait_.def_id() == trait_did), diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 929f5f89b..c8875c272 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -33,7 +33,8 @@ use std::collections::hash_map::Entry; use std::collections::BTreeMap; use std::default::Default; use std::hash::Hash; -use std::{mem, vec}; +use std::mem; +use thin_vec::ThinVec; use crate::core::{self, DocContext, ImplTraitParam}; use crate::formats::item_type::ItemType; @@ -44,128 +45,126 @@ use utils::*; pub(crate) use self::types::*; pub(crate) use self::utils::{get_auto_trait_and_blanket_impls, krate, register_res}; -pub(crate) trait Clean<'tcx, T> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> T; -} +pub(crate) fn clean_doc_module<'tcx>(doc: &DocModule<'tcx>, cx: &mut DocContext<'tcx>) -> Item { + let mut items: Vec<Item> = vec![]; + let mut inserted = FxHashSet::default(); + items.extend(doc.foreigns.iter().map(|(item, renamed)| { + let item = clean_maybe_renamed_foreign_item(cx, item, *renamed); + if let Some(name) = item.name && !item.attrs.lists(sym::doc).has_word(sym::hidden) { + inserted.insert((item.type_(), name)); + } + item + })); + items.extend(doc.mods.iter().filter_map(|x| { + if !inserted.insert((ItemType::Module, x.name)) { + return None; + } + let item = clean_doc_module(x, cx); + if item.attrs.lists(sym::doc).has_word(sym::hidden) { + // Hidden modules are stripped at a later stage. + // If a hidden module has the same name as a visible one, we want + // to keep both of them around. + inserted.remove(&(ItemType::Module, x.name)); + } + Some(item) + })); -impl<'tcx> Clean<'tcx, Item> for DocModule<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Item { - let mut items: Vec<Item> = vec![]; - let mut inserted = FxHashSet::default(); - items.extend(self.foreigns.iter().map(|(item, renamed)| { - let item = clean_maybe_renamed_foreign_item(cx, item, *renamed); - if let Some(name) = item.name { + // Split up imports from all other items. + // + // This covers the case where somebody does an import which should pull in an item, + // but there's already an item with the same namespace and same name. Rust gives + // priority to the not-imported one, so we should, too. + items.extend(doc.items.iter().flat_map(|(item, renamed)| { + // First, lower everything other than imports. + if matches!(item.kind, hir::ItemKind::Use(_, hir::UseKind::Glob)) { + return Vec::new(); + } + let v = clean_maybe_renamed_item(cx, item, *renamed); + for item in &v { + if let Some(name) = item.name && !item.attrs.lists(sym::doc).has_word(sym::hidden) { inserted.insert((item.type_(), name)); } - item - })); - items.extend(self.mods.iter().map(|x| { - inserted.insert((ItemType::Module, x.name)); - x.clean(cx) - })); - - // Split up imports from all other items. - // - // This covers the case where somebody does an import which should pull in an item, - // but there's already an item with the same namespace and same name. Rust gives - // priority to the not-imported one, so we should, too. - items.extend(self.items.iter().flat_map(|(item, renamed)| { - // First, lower everything other than imports. - if matches!(item.kind, hir::ItemKind::Use(_, hir::UseKind::Glob)) { - return Vec::new(); - } - let v = clean_maybe_renamed_item(cx, item, *renamed); - for item in &v { - if let Some(name) = item.name { - inserted.insert((item.type_(), name)); - } - } - v - })); - items.extend(self.items.iter().flat_map(|(item, renamed)| { - // Now we actually lower the imports, skipping everything else. - if let hir::ItemKind::Use(path, hir::UseKind::Glob) = item.kind { - let name = renamed.unwrap_or_else(|| cx.tcx.hir().name(item.hir_id())); - clean_use_statement(item, name, path, hir::UseKind::Glob, cx, &mut inserted) - } else { - // skip everything else - Vec::new() - } - })); - - // determine if we should display the inner contents or - // the outer `mod` item for the source code. - - let span = Span::new({ - let where_outer = self.where_outer(cx.tcx); - let sm = cx.sess().source_map(); - let outer = sm.lookup_char_pos(where_outer.lo()); - let inner = sm.lookup_char_pos(self.where_inner.lo()); - if outer.file.start_pos == inner.file.start_pos { - // mod foo { ... } - where_outer - } else { - // mod foo; (and a separate SourceFile for the contents) - self.where_inner - } - }); + } + v + })); + items.extend(doc.items.iter().flat_map(|(item, renamed)| { + // Now we actually lower the imports, skipping everything else. + if let hir::ItemKind::Use(path, hir::UseKind::Glob) = item.kind { + let name = renamed.unwrap_or_else(|| cx.tcx.hir().name(item.hir_id())); + clean_use_statement(item, name, path, hir::UseKind::Glob, cx, &mut inserted) + } else { + // skip everything else + Vec::new() + } + })); + + // determine if we should display the inner contents or + // the outer `mod` item for the source code. + + let span = Span::new({ + let where_outer = doc.where_outer(cx.tcx); + let sm = cx.sess().source_map(); + let outer = sm.lookup_char_pos(where_outer.lo()); + let inner = sm.lookup_char_pos(doc.where_inner.lo()); + if outer.file.start_pos == inner.file.start_pos { + // mod foo { ... } + where_outer + } else { + // mod foo; (and a separate SourceFile for the contents) + doc.where_inner + } + }); - Item::from_hir_id_and_parts( - self.id, - Some(self.name), - ModuleItem(Module { items, span }), - cx, - ) - } + Item::from_hir_id_and_parts(doc.id, Some(doc.name), ModuleItem(Module { items, span }), cx) } -impl<'tcx> Clean<'tcx, Option<GenericBound>> for hir::GenericBound<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Option<GenericBound> { - Some(match *self { - hir::GenericBound::Outlives(lt) => GenericBound::Outlives(clean_lifetime(lt, cx)), - hir::GenericBound::LangItemTrait(lang_item, span, _, generic_args) => { - let def_id = cx.tcx.require_lang_item(lang_item, Some(span)); - - let trait_ref = ty::TraitRef::identity(cx.tcx, def_id).skip_binder(); - - let generic_args = generic_args.clean(cx); - let GenericArgs::AngleBracketed { bindings, .. } = generic_args - else { - bug!("clean: parenthesized `GenericBound::LangItemTrait`"); - }; +fn clean_generic_bound<'tcx>( + bound: &hir::GenericBound<'tcx>, + cx: &mut DocContext<'tcx>, +) -> Option<GenericBound> { + Some(match *bound { + hir::GenericBound::Outlives(lt) => GenericBound::Outlives(clean_lifetime(lt, cx)), + hir::GenericBound::LangItemTrait(lang_item, span, _, generic_args) => { + let def_id = cx.tcx.require_lang_item(lang_item, Some(span)); + + let trait_ref = ty::TraitRef::identity(cx.tcx, def_id).skip_binder(); + + let generic_args = clean_generic_args(generic_args, cx); + let GenericArgs::AngleBracketed { bindings, .. } = generic_args + else { + bug!("clean: parenthesized `GenericBound::LangItemTrait`"); + }; - let trait_ = clean_trait_ref_with_bindings(cx, trait_ref, &bindings); - GenericBound::TraitBound( - PolyTrait { trait_, generic_params: vec![] }, - hir::TraitBoundModifier::None, - ) + let trait_ = clean_trait_ref_with_bindings(cx, trait_ref, bindings); + GenericBound::TraitBound( + PolyTrait { trait_, generic_params: vec![] }, + hir::TraitBoundModifier::None, + ) + } + hir::GenericBound::Trait(ref t, modifier) => { + // `T: ~const Destruct` is hidden because `T: Destruct` is a no-op. + if modifier == hir::TraitBoundModifier::MaybeConst + && cx.tcx.lang_items().destruct_trait() == Some(t.trait_ref.trait_def_id().unwrap()) + { + return None; } - hir::GenericBound::Trait(ref t, modifier) => { - // `T: ~const Destruct` is hidden because `T: Destruct` is a no-op. - if modifier == hir::TraitBoundModifier::MaybeConst - && cx.tcx.lang_items().destruct_trait() - == Some(t.trait_ref.trait_def_id().unwrap()) - { - return None; - } - GenericBound::TraitBound(t.clean(cx), modifier) - } - }) - } + GenericBound::TraitBound(clean_poly_trait_ref(t, cx), modifier) + } + }) } pub(crate) fn clean_trait_ref_with_bindings<'tcx>( cx: &mut DocContext<'tcx>, trait_ref: ty::TraitRef<'tcx>, - bindings: &[TypeBinding], + bindings: ThinVec<TypeBinding>, ) -> Path { let kind = cx.tcx.def_kind(trait_ref.def_id).into(); if !matches!(kind, ItemType::Trait | ItemType::TraitAlias) { span_bug!(cx.tcx.def_span(trait_ref.def_id), "`TraitRef` had unexpected kind {:?}", kind); } inline::record_extern_fqn(cx, trait_ref.def_id, kind); - let path = external_path(cx, trait_ref.def_id, true, bindings.to_vec(), trait_ref.substs); + let path = external_path(cx, trait_ref.def_id, true, bindings, trait_ref.substs); debug!("ty::TraitRef\n subst: {:?}\n", trait_ref.substs); @@ -175,7 +174,7 @@ pub(crate) fn clean_trait_ref_with_bindings<'tcx>( fn clean_poly_trait_ref_with_bindings<'tcx>( cx: &mut DocContext<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tcx>, - bindings: &[TypeBinding], + bindings: ThinVec<TypeBinding>, ) -> GenericBound { let poly_trait_ref = poly_trait_ref.lift_to_tcx(cx.tcx).unwrap(); @@ -200,16 +199,10 @@ fn clean_poly_trait_ref_with_bindings<'tcx>( ) } -impl<'tcx> Clean<'tcx, GenericBound> for ty::PolyTraitRef<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> GenericBound { - clean_poly_trait_ref_with_bindings(cx, *self, &[]) - } -} - -fn clean_lifetime<'tcx>(lifetime: hir::Lifetime, cx: &mut DocContext<'tcx>) -> Lifetime { +fn clean_lifetime<'tcx>(lifetime: &hir::Lifetime, cx: &mut DocContext<'tcx>) -> Lifetime { let def = cx.tcx.named_region(lifetime.hir_id); if let Some( - rl::Region::EarlyBound(_, node_id) + rl::Region::EarlyBound(node_id) | rl::Region::LateBound(_, _, node_id) | rl::Region::Free(_, node_id), ) = def @@ -257,7 +250,6 @@ pub(crate) fn clean_middle_region<'tcx>(region: ty::Region<'tcx>) -> Option<Life | ty::ReFree(..) | ty::ReVar(..) | ty::RePlaceholder(..) - | ty::ReEmpty(_) | ty::ReErased => { debug!("cannot clean region {:?}", region); None @@ -265,66 +257,68 @@ pub(crate) fn clean_middle_region<'tcx>(region: ty::Region<'tcx>) -> Option<Life } } -impl<'tcx> Clean<'tcx, Option<WherePredicate>> for hir::WherePredicate<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Option<WherePredicate> { - if !self.in_where_clause() { - return None; - } - Some(match *self { - hir::WherePredicate::BoundPredicate(ref wbp) => { - let bound_params = wbp - .bound_generic_params - .iter() - .map(|param| { - // Higher-ranked params must be lifetimes. - // Higher-ranked lifetimes can't have bounds. - assert_matches!( - param, - hir::GenericParam { kind: hir::GenericParamKind::Lifetime { .. }, .. } - ); - Lifetime(param.name.ident().name) - }) - .collect(); - WherePredicate::BoundPredicate { - ty: clean_ty(wbp.bounded_ty, cx), - bounds: wbp.bounds.iter().filter_map(|x| x.clean(cx)).collect(), - bound_params, - } +fn clean_where_predicate<'tcx>( + predicate: &hir::WherePredicate<'tcx>, + cx: &mut DocContext<'tcx>, +) -> Option<WherePredicate> { + if !predicate.in_where_clause() { + return None; + } + Some(match *predicate { + hir::WherePredicate::BoundPredicate(ref wbp) => { + let bound_params = wbp + .bound_generic_params + .iter() + .map(|param| { + // Higher-ranked params must be lifetimes. + // Higher-ranked lifetimes can't have bounds. + assert_matches!( + param, + hir::GenericParam { kind: hir::GenericParamKind::Lifetime { .. }, .. } + ); + Lifetime(param.name.ident().name) + }) + .collect(); + WherePredicate::BoundPredicate { + ty: clean_ty(wbp.bounded_ty, cx), + bounds: wbp.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), + bound_params, } + } - hir::WherePredicate::RegionPredicate(ref wrp) => WherePredicate::RegionPredicate { - lifetime: clean_lifetime(wrp.lifetime, cx), - bounds: wrp.bounds.iter().filter_map(|x| x.clean(cx)).collect(), - }, + hir::WherePredicate::RegionPredicate(ref wrp) => WherePredicate::RegionPredicate { + lifetime: clean_lifetime(wrp.lifetime, cx), + bounds: wrp.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), + }, - hir::WherePredicate::EqPredicate(ref wrp) => WherePredicate::EqPredicate { - lhs: clean_ty(wrp.lhs_ty, cx), - rhs: clean_ty(wrp.rhs_ty, cx).into(), - }, - }) - } + hir::WherePredicate::EqPredicate(ref wrp) => WherePredicate::EqPredicate { + lhs: clean_ty(wrp.lhs_ty, cx), + rhs: clean_ty(wrp.rhs_ty, cx).into(), + }, + }) } -impl<'tcx> Clean<'tcx, Option<WherePredicate>> for ty::Predicate<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Option<WherePredicate> { - let bound_predicate = self.kind(); - match bound_predicate.skip_binder() { - ty::PredicateKind::Trait(pred) => { - clean_poly_trait_predicate(bound_predicate.rebind(pred), cx) - } - ty::PredicateKind::RegionOutlives(pred) => clean_region_outlives_predicate(pred), - ty::PredicateKind::TypeOutlives(pred) => clean_type_outlives_predicate(pred, cx), - ty::PredicateKind::Projection(pred) => Some(clean_projection_predicate(pred, cx)), - ty::PredicateKind::ConstEvaluatable(..) => None, - ty::PredicateKind::WellFormed(..) => None, - - ty::PredicateKind::Subtype(..) - | ty::PredicateKind::Coerce(..) - | ty::PredicateKind::ObjectSafe(..) - | ty::PredicateKind::ClosureKind(..) - | ty::PredicateKind::ConstEquate(..) - | ty::PredicateKind::TypeWellFormedFromEnv(..) => panic!("not user writable"), +pub(crate) fn clean_predicate<'tcx>( + predicate: ty::Predicate<'tcx>, + cx: &mut DocContext<'tcx>, +) -> Option<WherePredicate> { + let bound_predicate = predicate.kind(); + match bound_predicate.skip_binder() { + ty::PredicateKind::Trait(pred) => { + clean_poly_trait_predicate(bound_predicate.rebind(pred), cx) } + ty::PredicateKind::RegionOutlives(pred) => clean_region_outlives_predicate(pred), + ty::PredicateKind::TypeOutlives(pred) => clean_type_outlives_predicate(pred, cx), + ty::PredicateKind::Projection(pred) => Some(clean_projection_predicate(pred, cx)), + ty::PredicateKind::ConstEvaluatable(..) => None, + ty::PredicateKind::WellFormed(..) => None, + + ty::PredicateKind::Subtype(..) + | ty::PredicateKind::Coerce(..) + | ty::PredicateKind::ObjectSafe(..) + | ty::PredicateKind::ClosureKind(..) + | ty::PredicateKind::ConstEquate(..) + | ty::PredicateKind::TypeWellFormedFromEnv(..) => panic!("not user writable"), } } @@ -342,7 +336,7 @@ fn clean_poly_trait_predicate<'tcx>( let poly_trait_ref = pred.map_bound(|pred| pred.trait_ref); Some(WherePredicate::BoundPredicate { ty: clean_middle_ty(poly_trait_ref.skip_binder().self_ty(), cx, None), - bounds: vec![poly_trait_ref.clean(cx)], + bounds: vec![clean_poly_trait_ref_with_bindings(cx, poly_trait_ref, ThinVec::new())], bound_params: Vec::new(), }) } @@ -352,10 +346,6 @@ fn clean_region_outlives_predicate<'tcx>( ) -> Option<WherePredicate> { let ty::OutlivesPredicate(a, b) = pred; - if a.is_empty() && b.is_empty() { - return None; - } - Some(WherePredicate::RegionPredicate { lifetime: clean_middle_region(a).expect("failed to clean lifetime"), bounds: vec![GenericBound::Outlives( @@ -370,10 +360,6 @@ fn clean_type_outlives_predicate<'tcx>( ) -> Option<WherePredicate> { let ty::OutlivesPredicate(ty, lt) = pred; - if lt.is_empty() { - return None; - } - Some(WherePredicate::BoundPredicate { ty: clean_middle_ty(ty, cx, None), bounds: vec![GenericBound::Outlives( @@ -384,9 +370,9 @@ fn clean_type_outlives_predicate<'tcx>( } fn clean_middle_term<'tcx>(term: ty::Term<'tcx>, cx: &mut DocContext<'tcx>) -> Term { - match term { - ty::Term::Ty(ty) => Term::Type(clean_middle_ty(ty, cx, None)), - ty::Term::Const(c) => Term::Constant(clean_middle_const(c, cx)), + match term.unpack() { + ty::TermKind::Ty(ty) => Term::Type(clean_middle_ty(ty, cx, None)), + ty::TermKind::Const(c) => Term::Constant(clean_middle_const(c, cx)), } } @@ -417,7 +403,7 @@ fn clean_projection<'tcx>( def_id: Option<DefId>, ) -> Type { let lifted = ty.lift_to_tcx(cx.tcx).unwrap(); - let trait_ = clean_trait_ref_with_bindings(cx, lifted.trait_ref(cx.tcx), &[]); + let trait_ = clean_trait_ref_with_bindings(cx, lifted.trait_ref(cx.tcx), ThinVec::new()); let self_type = clean_middle_ty(ty.self_ty(), cx, None); let self_def_id = if let Some(def_id) = def_id { cx.tcx.opt_parent(def_id).or(Some(def_id)) @@ -425,12 +411,12 @@ fn clean_projection<'tcx>( self_type.def_id(&cx.cache) }; let should_show_cast = compute_should_show_cast(self_def_id, &trait_, &self_type); - Type::QPath { - assoc: Box::new(projection_to_path_segment(ty, cx)), + Type::QPath(Box::new(QPathData { + assoc: projection_to_path_segment(ty, cx), should_show_cast, - self_type: Box::new(self_type), + self_type, trait_, - } + })) } fn compute_should_show_cast(self_def_id: Option<DefId>, trait_: &Path, self_type: &Type) -> bool { @@ -509,7 +495,7 @@ fn clean_generic_param<'tcx>( .filter(|bp| !bp.in_where_clause) .flat_map(|bp| bp.bounds) .map(|bound| match bound { - hir::GenericBound::Outlives(lt) => clean_lifetime(*lt, cx), + hir::GenericBound::Outlives(lt) => clean_lifetime(lt, cx), _ => panic!(), }) .collect() @@ -524,7 +510,7 @@ fn clean_generic_param<'tcx>( .bounds_for_param(did) .filter(|bp| bp.origin != PredicateOrigin::WhereClause) .flat_map(|bp| bp.bounds) - .filter_map(|x| x.clean(cx)) + .filter_map(|x| clean_generic_bound(x, cx)) .collect() } else { Vec::new() @@ -572,65 +558,68 @@ fn is_elided_lifetime(param: &hir::GenericParam<'_>) -> bool { matches!(param.kind, hir::GenericParamKind::Lifetime { kind: hir::LifetimeParamKind::Elided }) } -impl<'tcx> Clean<'tcx, Generics> for hir::Generics<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Generics { - let impl_trait_params = self - .params - .iter() - .filter(|param| is_impl_trait(param)) - .map(|param| { - let param = clean_generic_param(cx, Some(self), param); - match param.kind { - GenericParamDefKind::Lifetime { .. } => unreachable!(), - GenericParamDefKind::Type { did, ref bounds, .. } => { - cx.impl_trait_bounds.insert(did.into(), bounds.clone()); - } - GenericParamDefKind::Const { .. } => unreachable!(), +pub(crate) fn clean_generics<'tcx>( + gens: &hir::Generics<'tcx>, + cx: &mut DocContext<'tcx>, +) -> Generics { + let impl_trait_params = gens + .params + .iter() + .filter(|param| is_impl_trait(param)) + .map(|param| { + let param = clean_generic_param(cx, Some(gens), param); + match param.kind { + GenericParamDefKind::Lifetime { .. } => unreachable!(), + GenericParamDefKind::Type { did, ref bounds, .. } => { + cx.impl_trait_bounds.insert(did.into(), bounds.clone()); } - param - }) - .collect::<Vec<_>>(); + GenericParamDefKind::Const { .. } => unreachable!(), + } + param + }) + .collect::<Vec<_>>(); - let mut params = Vec::with_capacity(self.params.len()); - for p in self.params.iter().filter(|p| !is_impl_trait(p) && !is_elided_lifetime(p)) { - let p = clean_generic_param(cx, Some(self), p); - params.push(p); - } - params.extend(impl_trait_params); + let mut params = Vec::with_capacity(gens.params.len()); + for p in gens.params.iter().filter(|p| !is_impl_trait(p) && !is_elided_lifetime(p)) { + let p = clean_generic_param(cx, Some(gens), p); + params.push(p); + } + params.extend(impl_trait_params); - let mut generics = Generics { - params, - where_predicates: self.predicates.iter().filter_map(|x| x.clean(cx)).collect(), - }; + let mut generics = Generics { + params, + where_predicates: gens + .predicates + .iter() + .filter_map(|x| clean_where_predicate(x, cx)) + .collect(), + }; - // Some duplicates are generated for ?Sized bounds between type params and where - // predicates. The point in here is to move the bounds definitions from type params - // to where predicates when such cases occur. - for where_pred in &mut generics.where_predicates { - match *where_pred { - WherePredicate::BoundPredicate { - ty: Generic(ref name), ref mut bounds, .. - } => { - if bounds.is_empty() { - for param in &mut generics.params { - match param.kind { - GenericParamDefKind::Lifetime { .. } => {} - GenericParamDefKind::Type { bounds: ref mut ty_bounds, .. } => { - if ¶m.name == name { - mem::swap(bounds, ty_bounds); - break; - } + // Some duplicates are generated for ?Sized bounds between type params and where + // predicates. The point in here is to move the bounds definitions from type params + // to where predicates when such cases occur. + for where_pred in &mut generics.where_predicates { + match *where_pred { + WherePredicate::BoundPredicate { ty: Generic(ref name), ref mut bounds, .. } => { + if bounds.is_empty() { + for param in &mut generics.params { + match param.kind { + GenericParamDefKind::Lifetime { .. } => {} + GenericParamDefKind::Type { bounds: ref mut ty_bounds, .. } => { + if ¶m.name == name { + mem::swap(bounds, ty_bounds); + break; } - GenericParamDefKind::Const { .. } => {} } + GenericParamDefKind::Const { .. } => {} } } } - _ => continue, } + _ => continue, } - generics } + generics } fn clean_ty_generics<'tcx>( @@ -701,7 +690,7 @@ fn clean_ty_generics<'tcx>( if let Some(param_idx) = param_idx { if let Some(b) = impl_trait.get_mut(¶m_idx.into()) { - let p: WherePredicate = p.clean(cx)?; + let p: WherePredicate = clean_predicate(*p, cx)?; b.extend( p.get_bounds() @@ -758,7 +747,7 @@ fn clean_ty_generics<'tcx>( // Now that `cx.impl_trait_bounds` is populated, we can process // remaining predicates which could contain `impl Trait`. let mut where_predicates = - where_predicates.into_iter().flat_map(|p| p.clean(cx)).collect::<Vec<_>>(); + where_predicates.into_iter().flat_map(|p| clean_predicate(*p, cx)).collect::<Vec<_>>(); // Type parameters have a Sized bound by default unless removed with // ?Sized. Scan through the predicates and mark any type parameter with @@ -896,9 +885,12 @@ fn clean_function<'tcx>( ) -> Box<Function> { let (generics, decl) = enter_impl_trait(cx, |cx| { // NOTE: generics must be cleaned before args - let generics = generics.clean(cx); + let generics = clean_generics(generics, cx); let args = clean_args_from_types_and_body_id(cx, sig.decl.inputs, body_id); - let decl = clean_fn_decl_with_args(cx, sig.decl, args); + let mut decl = clean_fn_decl_with_args(cx, sig.decl, args); + if sig.header.is_async() { + decl.output = decl.sugared_async_return_type(); + } (generics, decl) }); Box::new(Function { decl, generics }) @@ -994,305 +986,307 @@ fn clean_trait_ref<'tcx>(trait_ref: &hir::TraitRef<'tcx>, cx: &mut DocContext<'t path } -impl<'tcx> Clean<'tcx, PolyTrait> for hir::PolyTraitRef<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> PolyTrait { - PolyTrait { - trait_: clean_trait_ref(&self.trait_ref, cx), - generic_params: self - .bound_generic_params - .iter() - .filter(|p| !is_elided_lifetime(p)) - .map(|x| clean_generic_param(cx, None, x)) - .collect(), - } +fn clean_poly_trait_ref<'tcx>( + poly_trait_ref: &hir::PolyTraitRef<'tcx>, + cx: &mut DocContext<'tcx>, +) -> PolyTrait { + PolyTrait { + trait_: clean_trait_ref(&poly_trait_ref.trait_ref, cx), + generic_params: poly_trait_ref + .bound_generic_params + .iter() + .filter(|p| !is_elided_lifetime(p)) + .map(|x| clean_generic_param(cx, None, x)) + .collect(), } } -impl<'tcx> Clean<'tcx, Item> for hir::TraitItem<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Item { - let local_did = self.def_id.to_def_id(); - cx.with_param_env(local_did, |cx| { - let inner = match self.kind { - hir::TraitItemKind::Const(ty, Some(default)) => AssocConstItem( - clean_ty(ty, cx), - ConstantKind::Local { def_id: local_did, body: default }, - ), - hir::TraitItemKind::Const(ty, None) => TyAssocConstItem(clean_ty(ty, cx)), - hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { - let m = clean_function(cx, sig, self.generics, body); - MethodItem(m, None) - } - hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Required(names)) => { - let (generics, decl) = enter_impl_trait(cx, |cx| { - // NOTE: generics must be cleaned before args - let generics = self.generics.clean(cx); - let args = clean_args_from_types_and_names(cx, sig.decl.inputs, names); - let decl = clean_fn_decl_with_args(cx, sig.decl, args); - (generics, decl) - }); - TyMethodItem(Box::new(Function { decl, generics })) - } - hir::TraitItemKind::Type(bounds, Some(default)) => { - let generics = enter_impl_trait(cx, |cx| self.generics.clean(cx)); - let bounds = bounds.iter().filter_map(|x| x.clean(cx)).collect(); - let item_type = clean_middle_ty(hir_ty_to_ty(cx.tcx, default), cx, None); - AssocTypeItem( - Box::new(Typedef { - type_: clean_ty(default, cx), - generics, - item_type: Some(item_type), - }), - bounds, - ) - } - hir::TraitItemKind::Type(bounds, None) => { - let generics = enter_impl_trait(cx, |cx| self.generics.clean(cx)); - let bounds = bounds.iter().filter_map(|x| x.clean(cx)).collect(); - TyAssocTypeItem(Box::new(generics), bounds) - } - }; - let what_rustc_thinks = - Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx); - // Trait items always inherit the trait's visibility -- we don't want to show `pub`. - Item { visibility: Inherited, ..what_rustc_thinks } - }) - } +fn clean_trait_item<'tcx>(trait_item: &hir::TraitItem<'tcx>, cx: &mut DocContext<'tcx>) -> Item { + let local_did = trait_item.def_id.to_def_id(); + cx.with_param_env(local_did, |cx| { + let inner = match trait_item.kind { + hir::TraitItemKind::Const(ty, Some(default)) => AssocConstItem( + clean_ty(ty, cx), + ConstantKind::Local { def_id: local_did, body: default }, + ), + hir::TraitItemKind::Const(ty, None) => TyAssocConstItem(clean_ty(ty, cx)), + hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { + let m = clean_function(cx, sig, trait_item.generics, body); + MethodItem(m, None) + } + hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Required(names)) => { + let (generics, decl) = enter_impl_trait(cx, |cx| { + // NOTE: generics must be cleaned before args + let generics = clean_generics(trait_item.generics, cx); + let args = clean_args_from_types_and_names(cx, sig.decl.inputs, names); + let decl = clean_fn_decl_with_args(cx, sig.decl, args); + (generics, decl) + }); + TyMethodItem(Box::new(Function { decl, generics })) + } + hir::TraitItemKind::Type(bounds, Some(default)) => { + let generics = enter_impl_trait(cx, |cx| clean_generics(trait_item.generics, cx)); + let bounds = bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(); + let item_type = clean_middle_ty(hir_ty_to_ty(cx.tcx, default), cx, None); + AssocTypeItem( + Box::new(Typedef { + type_: clean_ty(default, cx), + generics, + item_type: Some(item_type), + }), + bounds, + ) + } + hir::TraitItemKind::Type(bounds, None) => { + let generics = enter_impl_trait(cx, |cx| clean_generics(trait_item.generics, cx)); + let bounds = bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(); + TyAssocTypeItem(Box::new(generics), bounds) + } + }; + let what_rustc_thinks = + Item::from_def_id_and_parts(local_did, Some(trait_item.ident.name), inner, cx); + // Trait items always inherit the trait's visibility -- we don't want to show `pub`. + Item { visibility: Inherited, ..what_rustc_thinks } + }) } -impl<'tcx> Clean<'tcx, Item> for hir::ImplItem<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Item { - let local_did = self.def_id.to_def_id(); - cx.with_param_env(local_did, |cx| { - let inner = match self.kind { - hir::ImplItemKind::Const(ty, expr) => { - let default = ConstantKind::Local { def_id: local_did, body: expr }; - AssocConstItem(clean_ty(ty, cx), default) - } - hir::ImplItemKind::Fn(ref sig, body) => { - let m = clean_function(cx, sig, self.generics, body); - let defaultness = cx.tcx.impl_defaultness(self.def_id); - MethodItem(m, Some(defaultness)) - } - hir::ImplItemKind::TyAlias(hir_ty) => { - let type_ = clean_ty(hir_ty, cx); - let generics = self.generics.clean(cx); - let item_type = clean_middle_ty(hir_ty_to_ty(cx.tcx, hir_ty), cx, None); - AssocTypeItem( - Box::new(Typedef { type_, generics, item_type: Some(item_type) }), - Vec::new(), - ) - } - }; +pub(crate) fn clean_impl_item<'tcx>( + impl_: &hir::ImplItem<'tcx>, + cx: &mut DocContext<'tcx>, +) -> Item { + let local_did = impl_.def_id.to_def_id(); + cx.with_param_env(local_did, |cx| { + let inner = match impl_.kind { + hir::ImplItemKind::Const(ty, expr) => { + let default = ConstantKind::Local { def_id: local_did, body: expr }; + AssocConstItem(clean_ty(ty, cx), default) + } + hir::ImplItemKind::Fn(ref sig, body) => { + let m = clean_function(cx, sig, impl_.generics, body); + let defaultness = cx.tcx.impl_defaultness(impl_.def_id); + MethodItem(m, Some(defaultness)) + } + hir::ImplItemKind::TyAlias(hir_ty) => { + let type_ = clean_ty(hir_ty, cx); + let generics = clean_generics(impl_.generics, cx); + let item_type = clean_middle_ty(hir_ty_to_ty(cx.tcx, hir_ty), cx, None); + AssocTypeItem( + Box::new(Typedef { type_, generics, item_type: Some(item_type) }), + Vec::new(), + ) + } + }; - let mut what_rustc_thinks = - Item::from_def_id_and_parts(local_did, Some(self.ident.name), inner, cx); + let mut what_rustc_thinks = + Item::from_def_id_and_parts(local_did, Some(impl_.ident.name), inner, cx); - let impl_ref = cx.tcx.impl_trait_ref(cx.tcx.local_parent(self.def_id)); + let impl_ref = cx.tcx.impl_trait_ref(cx.tcx.local_parent(impl_.def_id)); - // Trait impl items always inherit the impl's visibility -- - // we don't want to show `pub`. - if impl_ref.is_some() { - what_rustc_thinks.visibility = Inherited; - } + // Trait impl items always inherit the impl's visibility -- + // we don't want to show `pub`. + if impl_ref.is_some() { + what_rustc_thinks.visibility = Inherited; + } - what_rustc_thinks - }) - } + what_rustc_thinks + }) } -impl<'tcx> Clean<'tcx, Item> for ty::AssocItem { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Item { - let tcx = cx.tcx; - let kind = match self.kind { - ty::AssocKind::Const => { - let ty = clean_middle_ty(tcx.type_of(self.def_id), cx, Some(self.def_id)); +pub(crate) fn clean_middle_assoc_item<'tcx>( + assoc_item: &ty::AssocItem, + cx: &mut DocContext<'tcx>, +) -> Item { + let tcx = cx.tcx; + let kind = match assoc_item.kind { + ty::AssocKind::Const => { + let ty = clean_middle_ty(tcx.type_of(assoc_item.def_id), cx, Some(assoc_item.def_id)); - let provided = match self.container { - ty::ImplContainer => true, - ty::TraitContainer => tcx.impl_defaultness(self.def_id).has_value(), - }; - if provided { - AssocConstItem(ty, ConstantKind::Extern { def_id: self.def_id }) - } else { - TyAssocConstItem(ty) - } + let provided = match assoc_item.container { + ty::ImplContainer => true, + ty::TraitContainer => tcx.impl_defaultness(assoc_item.def_id).has_value(), + }; + if provided { + AssocConstItem(ty, ConstantKind::Extern { def_id: assoc_item.def_id }) + } else { + TyAssocConstItem(ty) } - ty::AssocKind::Fn => { - let generics = clean_ty_generics( - cx, - tcx.generics_of(self.def_id), - tcx.explicit_predicates_of(self.def_id), - ); - let sig = tcx.fn_sig(self.def_id); - let mut decl = clean_fn_decl_from_did_and_sig(cx, Some(self.def_id), sig); - - if self.fn_has_self_parameter { - let self_ty = match self.container { - ty::ImplContainer => tcx.type_of(self.container_id(tcx)), - ty::TraitContainer => tcx.types.self_param, - }; - let self_arg_ty = sig.input(0).skip_binder(); - if self_arg_ty == self_ty { - decl.inputs.values[0].type_ = Generic(kw::SelfUpper); - } else if let ty::Ref(_, ty, _) = *self_arg_ty.kind() { - if ty == self_ty { - match decl.inputs.values[0].type_ { - BorrowedRef { ref mut type_, .. } => { - **type_ = Generic(kw::SelfUpper) - } - _ => unreachable!(), - } + } + ty::AssocKind::Fn => { + let generics = clean_ty_generics( + cx, + tcx.generics_of(assoc_item.def_id), + tcx.explicit_predicates_of(assoc_item.def_id), + ); + let sig = tcx.fn_sig(assoc_item.def_id); + let mut decl = clean_fn_decl_from_did_and_sig(cx, Some(assoc_item.def_id), sig); + + if assoc_item.fn_has_self_parameter { + let self_ty = match assoc_item.container { + ty::ImplContainer => tcx.type_of(assoc_item.container_id(tcx)), + ty::TraitContainer => tcx.types.self_param, + }; + let self_arg_ty = sig.input(0).skip_binder(); + if self_arg_ty == self_ty { + decl.inputs.values[0].type_ = Generic(kw::SelfUpper); + } else if let ty::Ref(_, ty, _) = *self_arg_ty.kind() { + if ty == self_ty { + match decl.inputs.values[0].type_ { + BorrowedRef { ref mut type_, .. } => **type_ = Generic(kw::SelfUpper), + _ => unreachable!(), } } } + } - let provided = match self.container { - ty::ImplContainer => true, - ty::TraitContainer => self.defaultness(tcx).has_value(), + let provided = match assoc_item.container { + ty::ImplContainer => true, + ty::TraitContainer => assoc_item.defaultness(tcx).has_value(), + }; + if provided { + let defaultness = match assoc_item.container { + ty::ImplContainer => Some(assoc_item.defaultness(tcx)), + ty::TraitContainer => None, }; - if provided { - let defaultness = match self.container { - ty::ImplContainer => Some(self.defaultness(tcx)), - ty::TraitContainer => None, - }; - MethodItem(Box::new(Function { generics, decl }), defaultness) - } else { - TyMethodItem(Box::new(Function { generics, decl })) - } + MethodItem(Box::new(Function { generics, decl }), defaultness) + } else { + TyMethodItem(Box::new(Function { generics, decl })) } - ty::AssocKind::Type => { - let my_name = self.name; - - fn param_eq_arg(param: &GenericParamDef, arg: &GenericArg) -> bool { - match (¶m.kind, arg) { - (GenericParamDefKind::Type { .. }, GenericArg::Type(Type::Generic(ty))) - if *ty == param.name => - { - true - } - ( - GenericParamDefKind::Lifetime { .. }, - GenericArg::Lifetime(Lifetime(lt)), - ) if *lt == param.name => true, - (GenericParamDefKind::Const { .. }, GenericArg::Const(c)) => { - match &c.kind { - ConstantKind::TyConst { expr } => expr == param.name.as_str(), - _ => false, - } - } - _ => false, + } + ty::AssocKind::Type => { + let my_name = assoc_item.name; + + fn param_eq_arg(param: &GenericParamDef, arg: &GenericArg) -> bool { + match (¶m.kind, arg) { + (GenericParamDefKind::Type { .. }, GenericArg::Type(Type::Generic(ty))) + if *ty == param.name => + { + true + } + (GenericParamDefKind::Lifetime { .. }, GenericArg::Lifetime(Lifetime(lt))) + if *lt == param.name => + { + true } + (GenericParamDefKind::Const { .. }, GenericArg::Const(c)) => match &c.kind { + ConstantKind::TyConst { expr } => expr == param.name.as_str(), + _ => false, + }, + _ => false, } + } - if let ty::TraitContainer = self.container { - let bounds = tcx.explicit_item_bounds(self.def_id); - let predicates = ty::GenericPredicates { parent: None, predicates: bounds }; - let mut generics = - clean_ty_generics(cx, tcx.generics_of(self.def_id), predicates); - // Filter out the bounds that are (likely?) directly attached to the associated type, - // as opposed to being located in the where clause. - let mut bounds = generics - .where_predicates - .drain_filter(|pred| match *pred { - WherePredicate::BoundPredicate { - ty: QPath { ref assoc, ref self_type, ref trait_, .. }, - .. - } => { - if assoc.name != my_name { - return false; - } - if trait_.def_id() != self.container_id(tcx) { - return false; - } - match **self_type { - Generic(ref s) if *s == kw::SelfUpper => {} - _ => return false, - } - match &assoc.args { - GenericArgs::AngleBracketed { args, bindings } => { - if !bindings.is_empty() - || generics - .params - .iter() - .zip(args.iter()) - .any(|(param, arg)| !param_eq_arg(param, arg)) - { - return false; - } - } - GenericArgs::Parenthesized { .. } => { - // The only time this happens is if we're inside the rustdoc for Fn(), - // which only has one associated type, which is not a GAT, so whatever. + if let ty::TraitContainer = assoc_item.container { + let bounds = tcx.explicit_item_bounds(assoc_item.def_id); + let predicates = ty::GenericPredicates { parent: None, predicates: bounds }; + let mut generics = + clean_ty_generics(cx, tcx.generics_of(assoc_item.def_id), predicates); + // Filter out the bounds that are (likely?) directly attached to the associated type, + // as opposed to being located in the where clause. + let mut bounds = generics + .where_predicates + .drain_filter(|pred| match *pred { + WherePredicate::BoundPredicate { + ty: QPath(box QPathData { ref assoc, ref self_type, ref trait_, .. }), + .. + } => { + if assoc.name != my_name { + return false; + } + if trait_.def_id() != assoc_item.container_id(tcx) { + return false; + } + match *self_type { + Generic(ref s) if *s == kw::SelfUpper => {} + _ => return false, + } + match &assoc.args { + GenericArgs::AngleBracketed { args, bindings } => { + if !bindings.is_empty() + || generics + .params + .iter() + .zip(args.iter()) + .any(|(param, arg)| !param_eq_arg(param, arg)) + { + return false; } } - true - } - _ => false, - }) - .flat_map(|pred| { - if let WherePredicate::BoundPredicate { bounds, .. } = pred { - bounds - } else { - unreachable!() + GenericArgs::Parenthesized { .. } => { + // The only time this happens is if we're inside the rustdoc for Fn(), + // which only has one associated type, which is not a GAT, so whatever. + } } - }) - .collect::<Vec<_>>(); - // Our Sized/?Sized bound didn't get handled when creating the generics - // because we didn't actually get our whole set of bounds until just now - // (some of them may have come from the trait). If we do have a sized - // bound, we remove it, and if we don't then we add the `?Sized` bound - // at the end. - match bounds.iter().position(|b| b.is_sized_bound(cx)) { - Some(i) => { - bounds.remove(i); + true } - None => bounds.push(GenericBound::maybe_sized(cx)), + _ => false, + }) + .flat_map(|pred| { + if let WherePredicate::BoundPredicate { bounds, .. } = pred { + bounds + } else { + unreachable!() + } + }) + .collect::<Vec<_>>(); + // Our Sized/?Sized bound didn't get handled when creating the generics + // because we didn't actually get our whole set of bounds until just now + // (some of them may have come from the trait). If we do have a sized + // bound, we remove it, and if we don't then we add the `?Sized` bound + // at the end. + match bounds.iter().position(|b| b.is_sized_bound(cx)) { + Some(i) => { + bounds.remove(i); } + None => bounds.push(GenericBound::maybe_sized(cx)), + } - if tcx.impl_defaultness(self.def_id).has_value() { - AssocTypeItem( - Box::new(Typedef { - type_: clean_middle_ty( - tcx.type_of(self.def_id), - cx, - Some(self.def_id), - ), - generics, - // FIXME: should we obtain the Type from HIR and pass it on here? - item_type: None, - }), - bounds, - ) - } else { - TyAssocTypeItem(Box::new(generics), bounds) - } - } else { - // FIXME: when could this happen? Associated items in inherent impls? + if tcx.impl_defaultness(assoc_item.def_id).has_value() { AssocTypeItem( Box::new(Typedef { - type_: clean_middle_ty(tcx.type_of(self.def_id), cx, Some(self.def_id)), - generics: Generics { params: Vec::new(), where_predicates: Vec::new() }, + type_: clean_middle_ty( + tcx.type_of(assoc_item.def_id), + cx, + Some(assoc_item.def_id), + ), + generics, + // FIXME: should we obtain the Type from HIR and pass it on here? item_type: None, }), - Vec::new(), + bounds, ) + } else { + TyAssocTypeItem(Box::new(generics), bounds) } + } else { + // FIXME: when could this happen? Associated items in inherent impls? + AssocTypeItem( + Box::new(Typedef { + type_: clean_middle_ty( + tcx.type_of(assoc_item.def_id), + cx, + Some(assoc_item.def_id), + ), + generics: Generics { params: Vec::new(), where_predicates: Vec::new() }, + item_type: None, + }), + Vec::new(), + ) } - }; + } + }; - let mut what_rustc_thinks = - Item::from_def_id_and_parts(self.def_id, Some(self.name), kind, cx); + let mut what_rustc_thinks = + Item::from_def_id_and_parts(assoc_item.def_id, Some(assoc_item.name), kind, cx); - let impl_ref = tcx.impl_trait_ref(tcx.parent(self.def_id)); + let impl_ref = tcx.impl_trait_ref(tcx.parent(assoc_item.def_id)); - // Trait impl items always inherit the impl's visibility -- - // we don't want to show `pub`. - if impl_ref.is_some() { - what_rustc_thinks.visibility = Visibility::Inherited; - } - - what_rustc_thinks + // Trait impl items always inherit the impl's visibility -- + // we don't want to show `pub`. + if impl_ref.is_some() { + what_rustc_thinks.visibility = Visibility::Inherited; } + + what_rustc_thinks } fn clean_qpath<'tcx>(hir_ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> Type { @@ -1328,18 +1322,18 @@ fn clean_qpath<'tcx>(hir_ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> Type let trait_def = cx.tcx.associated_item(p.res.def_id()).container_id(cx.tcx); let trait_ = self::Path { res: Res::Def(DefKind::Trait, trait_def), - segments: trait_segments.iter().map(|x| x.clean(cx)).collect(), + segments: trait_segments.iter().map(|x| clean_path_segment(x, cx)).collect(), }; register_res(cx, trait_.res); let self_def_id = DefId::local(qself.hir_id.owner.local_def_index); let self_type = clean_ty(qself, cx); let should_show_cast = compute_should_show_cast(Some(self_def_id), &trait_, &self_type); - Type::QPath { - assoc: Box::new(p.segments.last().expect("segments were empty").clean(cx)), + Type::QPath(Box::new(QPathData { + assoc: clean_path_segment(p.segments.last().expect("segments were empty"), cx), should_show_cast, - self_type: Box::new(self_type), + self_type, trait_, - } + })) } hir::QPath::TypeRelative(qself, segment) => { let ty = hir_ty_to_ty(cx.tcx, hir_ty); @@ -1354,12 +1348,12 @@ fn clean_qpath<'tcx>(hir_ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> Type let self_def_id = res.opt_def_id(); let self_type = clean_ty(qself, cx); let should_show_cast = compute_should_show_cast(self_def_id, &trait_, &self_type); - Type::QPath { - assoc: Box::new(segment.clean(cx)), + Type::QPath(Box::new(QPathData { + assoc: clean_path_segment(segment, cx), should_show_cast, - self_type: Box::new(self_type), + self_type, trait_, - } + })) } hir::QPath::LangItem(..) => bug!("clean: requiring documentation of lang item"), } @@ -1398,7 +1392,7 @@ fn maybe_expand_private_type_alias<'tcx>( } _ => None, }); - if let Some(lt) = lifetime.cloned() { + if let Some(lt) = lifetime { let lt_def_id = cx.tcx.hir().local_def_id(param.hir_id); let cleaned = if !lt.is_elided() { clean_lifetime(lt, cx) } else { Lifetime::elided() }; @@ -1498,22 +1492,22 @@ pub(crate) fn clean_ty<'tcx>(ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> T Array(Box::new(clean_ty(ty, cx)), length) } TyKind::Tup(tys) => Tuple(tys.iter().map(|ty| clean_ty(ty, cx)).collect()), - TyKind::OpaqueDef(item_id, _) => { + TyKind::OpaqueDef(item_id, _, _) => { let item = cx.tcx.hir().item(item_id); if let hir::ItemKind::OpaqueTy(ref ty) = item.kind { - ImplTrait(ty.bounds.iter().filter_map(|x| x.clean(cx)).collect()) + ImplTrait(ty.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect()) } else { unreachable!() } } TyKind::Path(_) => clean_qpath(ty, cx), TyKind::TraitObject(bounds, ref lifetime, _) => { - let bounds = bounds.iter().map(|bound| bound.clean(cx)).collect(); + let bounds = bounds.iter().map(|bound| clean_poly_trait_ref(bound, cx)).collect(); let lifetime = if !lifetime.is_elided() { Some(clean_lifetime(*lifetime, cx)) } else { None }; DynTrait(bounds, lifetime) } - TyKind::BareFn(barefn) => BareFunction(Box::new(barefn.clean(cx))), + TyKind::BareFn(barefn) => BareFunction(Box::new(clean_bare_fn_ty(barefn, cx))), // Rustdoc handles `TyKind::Err`s by turning them into `Type::Infer`s. TyKind::Infer | TyKind::Err => Infer, TyKind::Typeof(..) => panic!("unimplemented type {:?}", ty.kind), @@ -1598,21 +1592,22 @@ pub(crate) fn clean_middle_ty<'tcx>( AdtKind::Enum => ItemType::Enum, }; inline::record_extern_fqn(cx, did, kind); - let path = external_path(cx, did, false, vec![], substs); + let path = external_path(cx, did, false, ThinVec::new(), substs); Type::Path { path } } ty::Foreign(did) => { inline::record_extern_fqn(cx, did, ItemType::ForeignType); - let path = external_path(cx, did, false, vec![], InternalSubsts::empty()); + let path = external_path(cx, did, false, ThinVec::new(), InternalSubsts::empty()); Type::Path { path } } - ty::Dynamic(obj, ref reg) => { + ty::Dynamic(obj, ref reg, _) => { // HACK: pick the first `did` as the `did` of the trait object. Someone // might want to implement "native" support for marker-trait-only // trait objects. - let mut dids = obj.principal_def_id().into_iter().chain(obj.auto_traits()); - let did = dids - .next() + let mut dids = obj.auto_traits(); + let did = obj + .principal_def_id() + .or_else(|| dids.next()) .unwrap_or_else(|| panic!("found trait object `{:?}` with no traits?", this)); let substs = match obj.principal() { Some(principal) => principal.skip_binder().substs, @@ -1623,19 +1618,18 @@ pub(crate) fn clean_middle_ty<'tcx>( inline::record_extern_fqn(cx, did, ItemType::Trait); let lifetime = clean_middle_region(*reg); - let mut bounds = vec![]; - - for did in dids { - let empty = cx.tcx.intern_substs(&[]); - let path = external_path(cx, did, false, vec![], empty); - inline::record_extern_fqn(cx, did, ItemType::Trait); - let bound = PolyTrait { trait_: path, generic_params: Vec::new() }; - bounds.push(bound); - } + let mut bounds = dids + .map(|did| { + let empty = cx.tcx.intern_substs(&[]); + let path = external_path(cx, did, false, ThinVec::new(), empty); + inline::record_extern_fqn(cx, did, ItemType::Trait); + PolyTrait { trait_: path, generic_params: Vec::new() } + }) + .collect::<Vec<_>>(); - let mut bindings = vec![]; - for pb in obj.projection_bounds() { - bindings.push(TypeBinding { + let bindings = obj + .projection_bounds() + .map(|pb| TypeBinding { assoc: projection_to_path_segment( pb.skip_binder() .lift_to_tcx(cx.tcx) @@ -1649,8 +1643,8 @@ pub(crate) fn clean_middle_ty<'tcx>( kind: TypeBindingKind::Equality { term: clean_middle_term(pb.skip_binder().term, cx), }, - }); - } + }) + .collect(); let path = external_path(cx, did, false, bindings, substs); bounds.insert(0, PolyTrait { trait_: path, generic_params: Vec::new() }); @@ -1703,7 +1697,7 @@ pub(crate) fn clean_middle_ty<'tcx>( } } - let bindings: Vec<_> = bounds + let bindings: ThinVec<_> = bounds .iter() .filter_map(|bound| { if let ty::PredicateKind::Projection(proj) = bound.kind().skip_binder() @@ -1724,7 +1718,7 @@ pub(crate) fn clean_middle_ty<'tcx>( }) .collect(); - Some(clean_poly_trait_ref_with_bindings(cx, trait_ref, &bindings)) + Some(clean_poly_trait_ref_with_bindings(cx, trait_ref, bindings)) }) .collect::<Vec<_>>(); bounds.extend(regions); @@ -1783,21 +1777,19 @@ fn is_field_vis_inherited(tcx: TyCtxt<'_>, def_id: DefId) -> bool { } } -pub(crate) fn clean_visibility(vis: ty::Visibility) -> Visibility { +pub(crate) fn clean_visibility(vis: ty::Visibility<DefId>) -> Visibility { match vis { ty::Visibility::Public => Visibility::Public, - // NOTE: this is not quite right: `ty` uses `Invisible` to mean 'private', - // while rustdoc really does mean inherited. That means that for enum variants, such as - // `pub enum E { V }`, `V` will be marked as `Public` by `ty`, but as `Inherited` by rustdoc. - // Various parts of clean override `tcx.visibility` explicitly to make sure this distinction is captured. - ty::Visibility::Invisible => Visibility::Inherited, ty::Visibility::Restricted(module) => Visibility::Restricted(module), } } pub(crate) fn clean_variant_def<'tcx>(variant: &ty::VariantDef, cx: &mut DocContext<'tcx>) -> Item { let kind = match variant.ctor_kind { - CtorKind::Const => Variant::CLike, + CtorKind::Const => Variant::CLike(match variant.discr { + ty::VariantDiscr::Explicit(def_id) => Some(Discriminant { expr: None, value: def_id }), + ty::VariantDiscr::Relative(_) => None, + }), CtorKind::Fn => Variant::Tuple( variant.fields.iter().map(|field| clean_middle_field(field, cx)).collect(), ), @@ -1814,6 +1806,7 @@ pub(crate) fn clean_variant_def<'tcx>(variant: &ty::VariantDef, cx: &mut DocCont fn clean_variant_data<'tcx>( variant: &hir::VariantData<'tcx>, + disr_expr: &Option<hir::AnonConst>, cx: &mut DocContext<'tcx>, ) -> Variant { match variant { @@ -1824,66 +1817,75 @@ fn clean_variant_data<'tcx>( hir::VariantData::Tuple(..) => { Variant::Tuple(variant.fields().iter().map(|x| clean_field(x, cx)).collect()) } - hir::VariantData::Unit(..) => Variant::CLike, + hir::VariantData::Unit(..) => Variant::CLike(disr_expr.map(|disr| Discriminant { + expr: Some(disr.body), + value: cx.tcx.hir().local_def_id(disr.hir_id).to_def_id(), + })), } } fn clean_path<'tcx>(path: &hir::Path<'tcx>, cx: &mut DocContext<'tcx>) -> Path { - Path { res: path.res, segments: path.segments.iter().map(|x| x.clean(cx)).collect() } + Path { + res: path.res, + segments: path.segments.iter().map(|x| clean_path_segment(x, cx)).collect(), + } } -impl<'tcx> Clean<'tcx, GenericArgs> for hir::GenericArgs<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> GenericArgs { - if self.parenthesized { - let output = clean_ty(self.bindings[0].ty(), cx); - let output = - if output != Type::Tuple(Vec::new()) { Some(Box::new(output)) } else { None }; - let inputs = self.inputs().iter().map(|x| clean_ty(x, cx)).collect::<Vec<_>>().into(); - GenericArgs::Parenthesized { inputs, output } - } else { - let args = self - .args - .iter() - .map(|arg| match arg { - hir::GenericArg::Lifetime(lt) if !lt.is_elided() => { - GenericArg::Lifetime(clean_lifetime(*lt, cx)) - } - hir::GenericArg::Lifetime(_) => GenericArg::Lifetime(Lifetime::elided()), - hir::GenericArg::Type(ty) => GenericArg::Type(clean_ty(ty, cx)), - hir::GenericArg::Const(ct) => GenericArg::Const(Box::new(clean_const(ct, cx))), - hir::GenericArg::Infer(_inf) => GenericArg::Infer, - }) - .collect::<Vec<_>>() - .into(); - let bindings = - self.bindings.iter().map(|x| clean_type_binding(x, cx)).collect::<Vec<_>>().into(); - GenericArgs::AngleBracketed { args, bindings } - } +fn clean_generic_args<'tcx>( + generic_args: &hir::GenericArgs<'tcx>, + cx: &mut DocContext<'tcx>, +) -> GenericArgs { + if generic_args.parenthesized { + let output = clean_ty(generic_args.bindings[0].ty(), cx); + let output = if output != Type::Tuple(Vec::new()) { Some(Box::new(output)) } else { None }; + let inputs = + generic_args.inputs().iter().map(|x| clean_ty(x, cx)).collect::<Vec<_>>().into(); + GenericArgs::Parenthesized { inputs, output } + } else { + let args = generic_args + .args + .iter() + .map(|arg| match arg { + hir::GenericArg::Lifetime(lt) if !lt.is_elided() => { + GenericArg::Lifetime(clean_lifetime(*lt, cx)) + } + hir::GenericArg::Lifetime(_) => GenericArg::Lifetime(Lifetime::elided()), + hir::GenericArg::Type(ty) => GenericArg::Type(clean_ty(ty, cx)), + hir::GenericArg::Const(ct) => GenericArg::Const(Box::new(clean_const(ct, cx))), + hir::GenericArg::Infer(_inf) => GenericArg::Infer, + }) + .collect::<Vec<_>>() + .into(); + let bindings = + generic_args.bindings.iter().map(|x| clean_type_binding(x, cx)).collect::<ThinVec<_>>(); + GenericArgs::AngleBracketed { args, bindings } } } -impl<'tcx> Clean<'tcx, PathSegment> for hir::PathSegment<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> PathSegment { - PathSegment { name: self.ident.name, args: self.args().clean(cx) } - } +fn clean_path_segment<'tcx>( + path: &hir::PathSegment<'tcx>, + cx: &mut DocContext<'tcx>, +) -> PathSegment { + PathSegment { name: path.ident.name, args: clean_generic_args(path.args(), cx) } } -impl<'tcx> Clean<'tcx, BareFunctionDecl> for hir::BareFnTy<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> BareFunctionDecl { - let (generic_params, decl) = enter_impl_trait(cx, |cx| { - // NOTE: generics must be cleaned before args - let generic_params = self - .generic_params - .iter() - .filter(|p| !is_elided_lifetime(p)) - .map(|x| clean_generic_param(cx, None, x)) - .collect(); - let args = clean_args_from_types_and_names(cx, self.decl.inputs, self.param_names); - let decl = clean_fn_decl_with_args(cx, self.decl, args); - (generic_params, decl) - }); - BareFunctionDecl { unsafety: self.unsafety, abi: self.abi, decl, generic_params } - } +fn clean_bare_fn_ty<'tcx>( + bare_fn: &hir::BareFnTy<'tcx>, + cx: &mut DocContext<'tcx>, +) -> BareFunctionDecl { + let (generic_params, decl) = enter_impl_trait(cx, |cx| { + // NOTE: generics must be cleaned before args + let generic_params = bare_fn + .generic_params + .iter() + .filter(|p| !is_elided_lifetime(p)) + .map(|x| clean_generic_param(cx, None, x)) + .collect(); + let args = clean_args_from_types_and_names(cx, bare_fn.decl.inputs, bare_fn.param_names); + let decl = clean_fn_decl_with_args(cx, bare_fn.decl, args); + (generic_params, decl) + }); + BareFunctionDecl { unsafety: bare_fn.unsafety, abi: bare_fn.abi, decl, generic_params } } fn clean_maybe_renamed_item<'tcx>( @@ -1905,33 +1907,33 @@ fn clean_maybe_renamed_item<'tcx>( kind: ConstantKind::Local { body: body_id, def_id }, }), ItemKind::OpaqueTy(ref ty) => OpaqueTyItem(OpaqueTy { - bounds: ty.bounds.iter().filter_map(|x| x.clean(cx)).collect(), - generics: ty.generics.clean(cx), + bounds: ty.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), + generics: clean_generics(ty.generics, cx), }), ItemKind::TyAlias(hir_ty, generics) => { let rustdoc_ty = clean_ty(hir_ty, cx); let ty = clean_middle_ty(hir_ty_to_ty(cx.tcx, hir_ty), cx, None); TypedefItem(Box::new(Typedef { type_: rustdoc_ty, - generics: generics.clean(cx), + generics: clean_generics(generics, cx), item_type: Some(ty), })) } ItemKind::Enum(ref def, generics) => EnumItem(Enum { - variants: def.variants.iter().map(|v| v.clean(cx)).collect(), - generics: generics.clean(cx), + variants: def.variants.iter().map(|v| clean_variant(v, cx)).collect(), + generics: clean_generics(generics, cx), }), ItemKind::TraitAlias(generics, bounds) => TraitAliasItem(TraitAlias { - generics: generics.clean(cx), - bounds: bounds.iter().filter_map(|x| x.clean(cx)).collect(), + generics: clean_generics(generics, cx), + bounds: bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), }), ItemKind::Union(ref variant_data, generics) => UnionItem(Union { - generics: generics.clean(cx), + generics: clean_generics(generics, cx), fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), }), ItemKind::Struct(ref variant_data, generics) => StructItem(Struct { struct_type: CtorKind::from_hir(variant_data), - generics: generics.clean(cx), + generics: clean_generics(generics, cx), fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), }), ItemKind::Impl(impl_) => return clean_impl(impl_, item.hir_id(), cx), @@ -1946,15 +1948,17 @@ fn clean_maybe_renamed_item<'tcx>( }) } ItemKind::Trait(_, _, generics, bounds, item_ids) => { - let items = - item_ids.iter().map(|ti| cx.tcx.hir().trait_item(ti.id).clean(cx)).collect(); + let items = item_ids + .iter() + .map(|ti| clean_trait_item(cx.tcx.hir().trait_item(ti.id), cx)) + .collect(); - TraitItem(Trait { + TraitItem(Box::new(Trait { def_id, items, - generics: generics.clean(cx), - bounds: bounds.iter().filter_map(|x| x.clean(cx)).collect(), - }) + generics: clean_generics(generics, cx), + bounds: bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), + })) } ItemKind::ExternCrate(orig_name) => { return clean_extern_crate(item, name, orig_name, cx); @@ -1969,14 +1973,12 @@ fn clean_maybe_renamed_item<'tcx>( }) } -impl<'tcx> Clean<'tcx, Item> for hir::Variant<'tcx> { - fn clean(&self, cx: &mut DocContext<'tcx>) -> Item { - let kind = VariantItem(clean_variant_data(&self.data, cx)); - let what_rustc_thinks = - Item::from_hir_id_and_parts(self.id, Some(self.ident.name), kind, cx); - // don't show `pub` for variants, which are always public - Item { visibility: Inherited, ..what_rustc_thinks } - } +fn clean_variant<'tcx>(variant: &hir::Variant<'tcx>, cx: &mut DocContext<'tcx>) -> Item { + let kind = VariantItem(clean_variant_data(&variant.data, &variant.disr_expr, cx)); + let what_rustc_thinks = + Item::from_hir_id_and_parts(variant.id, Some(variant.ident.name), kind, cx); + // don't show `pub` for variants, which are always public + Item { visibility: Inherited, ..what_rustc_thinks } } fn clean_impl<'tcx>( @@ -1987,8 +1989,11 @@ fn clean_impl<'tcx>( let tcx = cx.tcx; let mut ret = Vec::new(); let trait_ = impl_.of_trait.as_ref().map(|t| clean_trait_ref(t, cx)); - let items = - impl_.items.iter().map(|ii| tcx.hir().impl_item(ii.id).clean(cx)).collect::<Vec<_>>(); + let items = impl_ + .items + .iter() + .map(|ii| clean_impl_item(tcx.hir().impl_item(ii.id), cx)) + .collect::<Vec<_>>(); let def_id = tcx.hir().local_def_id(hir_id); // If this impl block is an implementation of the Deref trait, then we @@ -2005,7 +2010,7 @@ fn clean_impl<'tcx>( let mut make_item = |trait_: Option<Path>, for_: Type, items: Vec<Item>| { let kind = ImplItem(Box::new(Impl { unsafety: impl_.unsafety, - generics: impl_.generics.clean(cx), + generics: clean_generics(impl_.generics, cx), trait_, for_, items, @@ -2106,8 +2111,8 @@ fn clean_use_statement<'tcx>( // `pub(super)` or higher. If the current module is the top level // module, there isn't really a parent module, which makes the results // meaningless. In this case, we make sure the answer is `false`. - let is_visible_from_parent_mod = visibility.is_accessible_from(parent_mod.to_def_id(), cx.tcx) - && !current_mod.is_top_level_module(); + let is_visible_from_parent_mod = + visibility.is_accessible_from(parent_mod, cx.tcx) && !current_mod.is_top_level_module(); if pub_underscore { if let Some(ref inline) = inline_attr { @@ -2202,7 +2207,7 @@ fn clean_maybe_renamed_foreign_item<'tcx>( hir::ForeignItemKind::Fn(decl, names, generics) => { let (generics, decl) = enter_impl_trait(cx, |cx| { // NOTE: generics must be cleaned before args - let generics = generics.clean(cx); + let generics = clean_generics(generics, cx); let args = clean_args_from_types_and_names(cx, decl.inputs, names); let decl = clean_fn_decl_with_args(cx, decl, args); (generics, decl) @@ -2229,13 +2234,16 @@ fn clean_type_binding<'tcx>( cx: &mut DocContext<'tcx>, ) -> TypeBinding { TypeBinding { - assoc: PathSegment { name: type_binding.ident.name, args: type_binding.gen_args.clean(cx) }, + assoc: PathSegment { + name: type_binding.ident.name, + args: clean_generic_args(type_binding.gen_args, cx), + }, kind: match type_binding.kind { hir::TypeBindingKind::Equality { ref term } => { TypeBindingKind::Equality { term: clean_hir_term(term, cx) } } hir::TypeBindingKind::Constraint { bounds } => TypeBindingKind::Constraint { - bounds: bounds.iter().filter_map(|b| b.clean(cx)).collect(), + bounds: bounds.iter().filter_map(|b| clean_generic_bound(b, cx)).collect(), }, }, } diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 0e6de842c..f973fd088 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -8,6 +8,7 @@ use std::sync::OnceLock as OnceCell; use std::{cmp, fmt, iter}; use arrayvec::ArrayVec; +use thin_vec::ThinVec; use rustc_ast::attr; use rustc_ast::util::comments::beautify_doc_string; @@ -15,7 +16,6 @@ use rustc_ast::{self as ast, AttrStyle}; use rustc_attr::{ConstStability, Deprecation, Stability, StabilityLevel}; use rustc_const_eval::const_eval::is_unstable_const_fn; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_data_structures::thin_vec::ThinVec; use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE}; @@ -415,29 +415,28 @@ impl Item { .unwrap_or(false) } - pub(crate) fn span(&self, tcx: TyCtxt<'_>) -> Span { + pub(crate) fn span(&self, tcx: TyCtxt<'_>) -> Option<Span> { let kind = match &*self.kind { ItemKind::StrippedItem(k) => k, _ => &*self.kind, }; match kind { - ItemKind::ModuleItem(Module { span, .. }) => *span, - ItemKind::ImplItem(box Impl { kind: ImplKind::Auto, .. }) => Span::dummy(), + ItemKind::ModuleItem(Module { span, .. }) => Some(*span), + ItemKind::ImplItem(box Impl { kind: ImplKind::Auto, .. }) => None, ItemKind::ImplItem(box Impl { kind: ImplKind::Blanket(_), .. }) => { if let ItemId::Blanket { impl_id, .. } = self.item_id { - rustc_span(impl_id, tcx) + Some(rustc_span(impl_id, tcx)) } else { panic!("blanket impl item has non-blanket ID") } } - _ => { - self.item_id.as_def_id().map(|did| rustc_span(did, tcx)).unwrap_or_else(Span::dummy) - } + _ => self.item_id.as_def_id().map(|did| rustc_span(did, tcx)), } } pub(crate) fn attr_span(&self, tcx: TyCtxt<'_>) -> rustc_span::Span { - crate::passes::span_of_attrs(&self.attrs).unwrap_or_else(|| self.span(tcx).inner()) + crate::passes::span_of_attrs(&self.attrs) + .unwrap_or_else(|| self.span(tcx).map_or(rustc_span::DUMMY_SP, |span| span.inner())) } /// Finds the `doc` attribute as a NameValue and returns the corresponding @@ -483,7 +482,7 @@ impl Item { cx: &mut DocContext<'_>, cfg: Option<Arc<Cfg>>, ) -> Item { - trace!("name={:?}, def_id={:?}", name, def_id); + trace!("name={:?}, def_id={:?} cfg={:?}", name, def_id, cfg); // Primitives and Keywords are written in the source code as private modules. // The modules need to be private so that nobody actually uses them, but the @@ -511,7 +510,7 @@ impl Item { .get(&self.item_id) .map_or(&[][..], |v| v.as_slice()) .iter() - .filter_map(|ItemLink { link: s, link_text, did, ref fragment }| { + .filter_map(|ItemLink { link: s, link_text, page_id: did, ref fragment }| { debug!(?did); if let Ok((mut href, ..)) = href(*did, cx) { debug!(?href); @@ -728,7 +727,7 @@ pub(crate) enum ItemKind { OpaqueTyItem(OpaqueTy), StaticItem(Static), ConstantItem(Constant), - TraitItem(Trait), + TraitItem(Box<Trait>), TraitAliasItem(TraitAlias), ImplItem(Box<Impl>), /// A required method in a trait declaration meaning it's only a function signature. @@ -802,6 +801,31 @@ impl ItemKind { | KeywordItem => [].iter(), } } + + /// Returns `true` if this item does not appear inside an impl block. + pub(crate) fn is_non_assoc(&self) -> bool { + matches!( + self, + StructItem(_) + | UnionItem(_) + | EnumItem(_) + | TraitItem(_) + | ModuleItem(_) + | ExternCrateItem { .. } + | FunctionItem(_) + | TypedefItem(_) + | OpaqueTyItem(_) + | StaticItem(_) + | ConstantItem(_) + | TraitAliasItem(_) + | ForeignFunctionItem(_) + | ForeignStaticItem(_) + | ForeignTypeItem + | MacroItem(_) + | ProcMacroItem(_) + | PrimitiveItem(_) + ) + } } #[derive(Clone, Debug)] @@ -821,8 +845,6 @@ pub(crate) trait AttributesExt { fn inner_docs(&self) -> bool; - fn other_attrs(&self) -> Vec<ast::Attribute>; - fn cfg(&self, tcx: TyCtxt<'_>, hidden_cfg: &FxHashSet<Cfg>) -> Option<Arc<Cfg>>; } @@ -849,10 +871,6 @@ impl AttributesExt for [ast::Attribute] { self.iter().find(|a| a.doc_str().is_some()).map_or(true, |a| a.style == AttrStyle::Inner) } - fn other_attrs(&self) -> Vec<ast::Attribute> { - self.iter().filter(|attr| attr.doc_str().is_none()).cloned().collect() - } - fn cfg(&self, tcx: TyCtxt<'_>, hidden_cfg: &FxHashSet<Cfg>) -> Option<Arc<Cfg>> { let sess = tcx.sess; let doc_cfg_active = tcx.features().doc_cfg; @@ -1116,7 +1134,10 @@ pub(crate) struct ItemLink { /// This may not be the same as `link` if there was a disambiguator /// in an intra-doc link (e.g. \[`fn@f`\]) pub(crate) link_text: String, - pub(crate) did: DefId, + /// The `DefId` of the Item whose **HTML Page** contains the item being + /// linked to. This will be different to `item_id` on item's that don't + /// have their own page, such as struct fields and enum variants. + pub(crate) page_id: DefId, /// The url fragment to append to the link pub(crate) fragment: Option<UrlFragment>, } @@ -1137,7 +1158,7 @@ pub struct RenderedLink { #[derive(Clone, Debug, Default)] pub(crate) struct Attributes { pub(crate) doc_strings: Vec<DocFragment>, - pub(crate) other_attrs: Vec<ast::Attribute>, + pub(crate) other_attrs: ast::AttrVec, } impl Attributes { @@ -1180,7 +1201,7 @@ impl Attributes { doc_only: bool, ) -> Attributes { let mut doc_strings = Vec::new(); - let mut other_attrs = Vec::new(); + let mut other_attrs = ast::AttrVec::new(); for (attr, parent_module) in attrs { if let Some((doc_str, comment_kind)) = attr.doc_str_and_comment_kind() { trace!("got doc_str={doc_str:?}"); @@ -1285,7 +1306,7 @@ impl GenericBound { pub(crate) fn maybe_sized(cx: &mut DocContext<'_>) -> GenericBound { let did = cx.tcx.require_lang_item(LangItem::Sized, None); let empty = cx.tcx.intern_substs(&[]); - let path = external_path(cx, did, false, vec![], empty); + let path = external_path(cx, did, false, ThinVec::new(), empty); inline::record_extern_fqn(cx, did, ItemType::Trait); GenericBound::TraitBound( PolyTrait { trait_: path, generic_params: Vec::new() }, @@ -1557,13 +1578,7 @@ pub(crate) enum Type { BorrowedRef { lifetime: Option<Lifetime>, mutability: Mutability, type_: Box<Type> }, /// A qualified path to an associated item: `<Type as Trait>::Name` - QPath { - assoc: Box<PathSegment>, - self_type: Box<Type>, - /// FIXME: compute this field on demand. - should_show_cast: bool, - trait_: Path, - }, + QPath(Box<QPathData>), /// A type that is inferred: `_` Infer, @@ -1661,8 +1676,8 @@ impl Type { } pub(crate) fn projection(&self) -> Option<(&Type, DefId, PathSegment)> { - if let QPath { self_type, trait_, assoc, .. } = self { - Some((self_type, trait_.def_id(), *assoc.clone())) + if let QPath(box QPathData { self_type, trait_, assoc, .. }) = self { + Some((self_type, trait_.def_id(), assoc.clone())) } else { None } @@ -1686,7 +1701,7 @@ impl Type { Slice(..) => PrimitiveType::Slice, Array(..) => PrimitiveType::Array, RawPointer(..) => PrimitiveType::RawPointer, - QPath { ref self_type, .. } => return self_type.inner_def_id(cache), + QPath(box QPathData { ref self_type, .. }) => return self_type.inner_def_id(cache), Generic(_) | Infer | ImplTrait(_) => return None, }; cache.and_then(|c| Primitive(t).def_id(c)) @@ -1700,6 +1715,15 @@ impl Type { } } +#[derive(Clone, PartialEq, Eq, Debug, Hash)] +pub(crate) struct QPathData { + pub assoc: PathSegment, + pub self_type: Type, + /// FIXME: compute this field on demand. + pub should_show_cast: bool, + pub trait_: Path, +} + /// A primitive (aka, builtin) type. /// /// This represents things like `i32`, `str`, etc. @@ -2077,7 +2101,7 @@ impl Enum { #[derive(Clone, Debug)] pub(crate) enum Variant { - CLike, + CLike(Option<Discriminant>), Tuple(Vec<Item>), Struct(VariantStruct), } @@ -2086,11 +2110,31 @@ impl Variant { pub(crate) fn has_stripped_entries(&self) -> Option<bool> { match *self { Self::Struct(ref struct_) => Some(struct_.has_stripped_entries()), - Self::CLike | Self::Tuple(_) => None, + Self::CLike(..) | Self::Tuple(_) => None, } } } +#[derive(Clone, Debug)] +pub(crate) struct Discriminant { + // In the case of cross crate re-exports, we don't have the nessesary information + // to reconstruct the expression of the discriminant, only the value. + pub(super) expr: Option<BodyId>, + pub(super) value: DefId, +} + +impl Discriminant { + /// Will be `None` in the case of cross-crate reexports, and may be + /// simplified + pub(crate) fn expr(&self, tcx: TyCtxt<'_>) -> Option<String> { + self.expr.map(|body| print_const_expr(tcx, body)) + } + /// Will always be a machine readable number, without underscores or suffixes. + pub(crate) fn value(&self, tcx: TyCtxt<'_>) -> String { + print_evaluated_const(tcx, self.value, false).unwrap() + } +} + /// Small wrapper around [`rustc_span::Span`] that adds helper methods /// and enforces calling [`rustc_span::Span::source_callsite()`]. #[derive(Copy, Clone, Debug)] @@ -2109,14 +2153,6 @@ impl Span { self.0 } - pub(crate) fn dummy() -> Self { - Self(rustc_span::DUMMY_SP) - } - - pub(crate) fn is_dummy(&self) -> bool { - self.0.is_dummy() - } - pub(crate) fn filename(&self, sess: &Session) -> FileName { sess.source_map().span_to_filename(self.0) } @@ -2325,7 +2361,7 @@ impl ConstantKind { match *self { ConstantKind::TyConst { .. } | ConstantKind::Anonymous { .. } => None, ConstantKind::Extern { def_id } | ConstantKind::Local { def_id, .. } => { - print_evaluated_const(tcx, def_id) + print_evaluated_const(tcx, def_id, true) } } } @@ -2495,14 +2531,16 @@ impl SubstParam { #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] mod size_asserts { use super::*; + use rustc_data_structures::static_assert_size; // These are in alphabetical order, which is easy to maintain. - rustc_data_structures::static_assert_size!(Crate, 72); // frequently moved by-value - rustc_data_structures::static_assert_size!(DocFragment, 32); - rustc_data_structures::static_assert_size!(GenericArg, 80); - rustc_data_structures::static_assert_size!(GenericArgs, 32); - rustc_data_structures::static_assert_size!(GenericParamDef, 56); - rustc_data_structures::static_assert_size!(Item, 56); - rustc_data_structures::static_assert_size!(ItemKind, 112); - rustc_data_structures::static_assert_size!(PathSegment, 40); - rustc_data_structures::static_assert_size!(Type, 72); + static_assert_size!(Crate, 72); // frequently moved by-value + static_assert_size!(DocFragment, 32); + #[cfg(not(bootstrap))] + static_assert_size!(GenericArg, 56); + static_assert_size!(GenericArgs, 32); + static_assert_size!(GenericParamDef, 56); + static_assert_size!(Item, 56); + static_assert_size!(ItemKind, 96); + static_assert_size!(PathSegment, 40); + static_assert_size!(Type, 56); } diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 43e71e90a..3eaedaf10 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -2,9 +2,9 @@ use crate::clean::auto_trait::AutoTraitFinder; use crate::clean::blanket_impl::BlanketImplFinder; use crate::clean::render_macro_matchers::render_macro_matcher; use crate::clean::{ - clean_middle_const, clean_middle_region, clean_middle_ty, inline, Clean, Crate, ExternalCrate, - Generic, GenericArg, GenericArgs, ImportSource, Item, ItemKind, Lifetime, Path, PathSegment, - Primitive, PrimitiveType, Type, TypeBinding, Visibility, + clean_doc_module, clean_middle_const, clean_middle_region, clean_middle_ty, inline, Crate, + ExternalCrate, Generic, GenericArg, GenericArgs, ImportSource, Item, ItemKind, Lifetime, Path, + PathSegment, Primitive, PrimitiveType, Type, TypeBinding, Visibility, }; use crate::core::DocContext; use crate::formats::item_type::ItemType; @@ -12,7 +12,6 @@ use crate::visit_lib::LibEmbargoVisitor; use rustc_ast as ast; use rustc_ast::tokenstream::TokenTree; -use rustc_data_structures::thin_vec::ThinVec; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LOCAL_CRATE}; @@ -23,6 +22,7 @@ use rustc_middle::ty::{self, DefIdTree, TyCtxt}; use rustc_span::symbol::{kw, sym, Symbol}; use std::fmt::Write as _; use std::mem; +use thin_vec::ThinVec; #[cfg(test)] mod tests; @@ -37,7 +37,7 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate { // Clean the crate, translating the entire librustc_ast AST to one that is // understood by rustdoc. - let mut module = module.clean(cx); + let mut module = clean_doc_module(&module, cx); match *module.kind { ItemKind::ModuleItem(ref module) => { @@ -102,7 +102,7 @@ fn external_generic_args<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, - bindings: Vec<TypeBinding>, + bindings: ThinVec<TypeBinding>, substs: SubstsRef<'tcx>, ) -> GenericArgs { let args = substs_to_args(cx, substs, has_self); @@ -112,7 +112,7 @@ fn external_generic_args<'tcx>( // The trait's first substitution is the one after self, if there is one. match substs.iter().nth(if has_self { 1 } else { 0 }).unwrap().expect_ty().kind() { ty::Tuple(tys) => tys.iter().map(|t| clean_middle_ty(t, cx, None)).collect::<Vec<_>>().into(), - _ => return GenericArgs::AngleBracketed { args: args.into(), bindings: bindings.into() }, + _ => return GenericArgs::AngleBracketed { args: args.into(), bindings }, }; let output = None; // FIXME(#20299) return type comes from a projection now @@ -130,7 +130,7 @@ pub(super) fn external_path<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, - bindings: Vec<TypeBinding>, + bindings: ThinVec<TypeBinding>, substs: SubstsRef<'tcx>, ) -> Path { let def_kind = cx.tcx.def_kind(did); @@ -235,14 +235,13 @@ pub(crate) fn name_from_pat(p: &hir::Pat<'_>) -> Symbol { pub(crate) fn print_const(cx: &DocContext<'_>, n: ty::Const<'_>) -> String { match n.kind() { ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs: _, promoted }) => { - let mut s = if let Some(def) = def.as_local() { + assert_eq!(promoted, ()); + let s = if let Some(def) = def.as_local() { print_const_expr(cx.tcx, cx.tcx.hir().body_owned_by(def.did)) } else { inline::print_inlined_const(cx.tcx, def.did) }; - if let Some(promoted) = promoted { - s.push_str(&format!("::{:?}", promoted)) - } + s } _ => { @@ -261,7 +260,11 @@ pub(crate) fn print_const(cx: &DocContext<'_>, n: ty::Const<'_>) -> String { } } -pub(crate) fn print_evaluated_const(tcx: TyCtxt<'_>, def_id: DefId) -> Option<String> { +pub(crate) fn print_evaluated_const( + tcx: TyCtxt<'_>, + def_id: DefId, + underscores_and_type: bool, +) -> Option<String> { tcx.const_eval_poly(def_id).ok().and_then(|val| { let ty = tcx.type_of(def_id); match (val, ty.kind()) { @@ -269,7 +272,7 @@ pub(crate) fn print_evaluated_const(tcx: TyCtxt<'_>, def_id: DefId) -> Option<St (ConstValue::Scalar(_), &ty::Adt(_, _)) => None, (ConstValue::Scalar(_), _) => { let const_ = mir::ConstantKind::from_value(val, ty); - Some(print_const_with_custom_print_scalar(tcx, const_)) + Some(print_const_with_custom_print_scalar(tcx, const_, underscores_and_type)) } _ => None, } @@ -302,23 +305,35 @@ fn format_integer_with_underscore_sep(num: &str) -> String { .collect() } -fn print_const_with_custom_print_scalar(tcx: TyCtxt<'_>, ct: mir::ConstantKind<'_>) -> String { +fn print_const_with_custom_print_scalar( + tcx: TyCtxt<'_>, + ct: mir::ConstantKind<'_>, + underscores_and_type: bool, +) -> String { // Use a slightly different format for integer types which always shows the actual value. // For all other types, fallback to the original `pretty_print_const`. match (ct, ct.ty().kind()) { (mir::ConstantKind::Val(ConstValue::Scalar(int), _), ty::Uint(ui)) => { - format!("{}{}", format_integer_with_underscore_sep(&int.to_string()), ui.name_str()) + if underscores_and_type { + format!("{}{}", format_integer_with_underscore_sep(&int.to_string()), ui.name_str()) + } else { + int.to_string() + } } (mir::ConstantKind::Val(ConstValue::Scalar(int), _), ty::Int(i)) => { let ty = tcx.lift(ct.ty()).unwrap(); let size = tcx.layout_of(ty::ParamEnv::empty().and(ty)).unwrap().size; let data = int.assert_bits(size); let sign_extended_data = size.sign_extend(data) as i128; - format!( - "{}{}", - format_integer_with_underscore_sep(&sign_extended_data.to_string()), - i.name_str() - ) + if underscores_and_type { + format!( + "{}{}", + format_integer_with_underscore_sep(&sign_extended_data.to_string()), + i.name_str() + ) + } else { + sign_extended_data.to_string() + } } _ => ct.to_string(), } @@ -475,30 +490,14 @@ pub(crate) fn register_res(cx: &mut DocContext<'_>, res: Res) -> DefId { use DefKind::*; debug!("register_res({:?})", res); - let (did, kind) = match res { - // These should be added to the cache using `record_extern_fqn`. + let (kind, did) = match res { Res::Def( kind @ (AssocTy | AssocFn | AssocConst | Variant | Fn | TyAlias | Enum | Trait | Struct | Union | Mod | ForeignTy | Const | Static(_) | Macro(..) | TraitAlias), - i, - ) => (i, kind.into()), - // This is part of a trait definition or trait impl; document the trait. - Res::SelfTy { trait_: Some(trait_def_id), alias_to: _ } => (trait_def_id, ItemType::Trait), - // This is an inherent impl or a type definition; it doesn't have its own page. - Res::SelfTy { trait_: None, alias_to: Some((item_def_id, _)) } => return item_def_id, - Res::SelfTy { trait_: None, alias_to: None } - | Res::PrimTy(_) - | Res::ToolMod - | Res::SelfCtor(_) - | Res::Local(_) - | Res::NonMacroAttr(_) - | Res::Err => return res.def_id(), - Res::Def( - TyParam | ConstParam | Ctor(..) | ExternCrate | Use | ForeignMod | AnonConst - | InlineConst | OpaqueTy | Field | LifetimeParam | GlobalAsm | Impl | Closure - | Generator, - id, - ) => return id, + did, + ) => (kind.into(), did), + + _ => panic!("register_res: unexpected {:?}", res), }; if did.is_local() { return did; diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 8a8cc272e..932533db0 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -412,7 +412,13 @@ impl Options { let to_check = matches.opt_strs("check-theme"); if !to_check.is_empty() { - let paths = theme::load_css_paths(static_files::themes::LIGHT.as_bytes()); + let paths = match theme::load_css_paths(static_files::themes::LIGHT) { + Ok(p) => p, + Err(e) => { + diag.struct_err(&e.to_string()).emit(); + return Err(1); + } + }; let mut errors = 0; println!("rustdoc: [check-theme] Starting tests! (Ignoring all other arguments)"); @@ -547,7 +553,13 @@ impl Options { let mut themes = Vec::new(); if matches.opt_present("theme") { - let paths = theme::load_css_paths(static_files::themes::LIGHT.as_bytes()); + let paths = match theme::load_css_paths(static_files::themes::LIGHT) { + Ok(p) => p, + Err(e) => { + diag.struct_err(&e.to_string()).emit(); + return Err(1); + } + }; for (theme_file, theme_s) in matches.opt_strs("theme").iter().map(|s| (PathBuf::from(&s), s.to_owned())) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 35964e3ba..20ae102bc 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1289,14 +1289,9 @@ impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> }); } - fn visit_variant( - &mut self, - v: &'hir hir::Variant<'_>, - g: &'hir hir::Generics<'_>, - item_id: hir::HirId, - ) { + fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) { self.visit_testable(v.ident.to_string(), v.id, v.span, |this| { - intravisit::walk_variant(this, v, g, item_id); + intravisit::walk_variant(this, v); }); } diff --git a/src/librustdoc/fold.rs b/src/librustdoc/fold.rs index 6b7e67e2c..ed702f5c4 100644 --- a/src/librustdoc/fold.rs +++ b/src/librustdoc/fold.rs @@ -46,7 +46,7 @@ pub(crate) trait DocFolder: Sized { let fields = fields.into_iter().filter_map(|x| self.fold_item(x)).collect(); VariantItem(Variant::Tuple(fields)) } - Variant::CLike => VariantItem(Variant::CLike), + Variant::CLike(disr) => VariantItem(Variant::CLike(disr)), }, ExternCrateItem { src: _ } | ImportItem(_) diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index 2b2691e53..86392610d 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -227,7 +227,7 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> { if let clean::TraitItem(ref t) = *item.kind { self.cache.traits.entry(item.item_id.expect_def_id()).or_insert_with(|| { clean::TraitWithExtraInfo { - trait_: t.clone(), + trait_: *t.clone(), is_notable: item.attrs.has_doc_flag(sym::notable_trait), } }); diff --git a/src/librustdoc/formats/item_type.rs b/src/librustdoc/formats/item_type.rs index 0a7ee2005..f21e60a64 100644 --- a/src/librustdoc/formats/item_type.rs +++ b/src/librustdoc/formats/item_type.rs @@ -135,6 +135,7 @@ impl From<DefKind> for ItemType { | DefKind::AnonConst | DefKind::InlineConst | DefKind::OpaqueTy + | DefKind::ImplTraitPlaceholder | DefKind::Field | DefKind::LifetimeParam | DefKind::GlobalAsm diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 36a47b05c..b499e186c 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -152,7 +152,7 @@ impl Buffer { } } -fn comma_sep<T: fmt::Display>( +pub(crate) fn comma_sep<T: fmt::Display>( items: impl Iterator<Item = T>, space_after_comma: bool, ) -> impl fmt::Display { @@ -349,8 +349,7 @@ pub(crate) fn print_where_clause<'a, 'tcx: 'a>( let where_preds = comma_sep(where_predicates, false); let clause = if f.alternate() { if ending == Ending::Newline { - // add a space so stripping <br> tags and breaking spaces still renders properly - format!(" where{where_preds}, ") + format!(" where{where_preds},") } else { format!(" where{where_preds}") } @@ -364,20 +363,16 @@ pub(crate) fn print_where_clause<'a, 'tcx: 'a>( if ending == Ending::Newline { let mut clause = " ".repeat(indent.saturating_sub(1)); - // add a space so stripping <br> tags and breaking spaces still renders properly - write!( - clause, - " <span class=\"where fmt-newline\">where{where_preds}, </span>" - )?; + write!(clause, "<span class=\"where fmt-newline\">where{where_preds},</span>")?; clause } else { // insert a <br> tag after a single space but before multiple spaces at the start if indent == 0 { - format!(" <br><span class=\"where\">where{where_preds}</span>") + format!("<br><span class=\"where\">where{where_preds}</span>") } else { let mut clause = br_with_padding; - clause.truncate(clause.len() - 5 * " ".len()); - write!(clause, " <span class=\"where\">where{where_preds}</span>")?; + clause.truncate(clause.len() - 4 * " ".len()); + write!(clause, "<span class=\"where\">where{where_preds}</span>")?; clause } } @@ -592,7 +587,7 @@ fn generate_macro_def_id_path( } }) .collect(); - let relative = fqp.iter().map(|elem| elem.to_string()); + let mut relative = fqp.iter().map(|elem| elem.to_string()); let cstore = CStore::from_tcx(tcx); // We need this to prevent a `panic` when this function is used from intra doc links... if !cstore.has_crate_data(def_id.krate) { @@ -612,7 +607,7 @@ fn generate_macro_def_id_path( let mut path = if is_macro_2 { once(crate_name.clone()).chain(relative).collect() } else { - vec![crate_name.clone(), relative.last().unwrap()] + vec![crate_name.clone(), relative.next_back().unwrap()] }; if path.len() < 2 { // The minimum we can have is the crate name followed by the macro name. If shorter, then @@ -1079,7 +1074,12 @@ fn fmt_type<'cx>( write!(f, "impl {}", print_generic_bounds(bounds, cx)) } } - clean::QPath { ref assoc, ref self_type, ref trait_, should_show_cast } => { + clean::QPath(box clean::QPathData { + ref assoc, + ref self_type, + ref trait_, + should_show_cast, + }) => { if f.alternate() { if should_show_cast { write!(f, "<{:#} as {:#}>::", self_type.print(cx), trait_.print(cx))? @@ -1305,22 +1305,19 @@ impl clean::FnDecl { /// <br>Used to determine line-wrapping. /// * `indent`: The number of spaces to indent each successive line with, if line-wrapping is /// necessary. - /// * `asyncness`: Whether the function is async or not. pub(crate) fn full_print<'a, 'tcx: 'a>( &'a self, header_len: usize, indent: usize, - asyncness: hir::IsAsync, cx: &'a Context<'tcx>, ) -> impl fmt::Display + 'a + Captures<'tcx> { - display_fn(move |f| self.inner_full_print(header_len, indent, asyncness, f, cx)) + display_fn(move |f| self.inner_full_print(header_len, indent, f, cx)) } fn inner_full_print( &self, header_len: usize, indent: usize, - asyncness: hir::IsAsync, f: &mut fmt::Formatter<'_>, cx: &Context<'_>, ) -> fmt::Result { @@ -1385,15 +1382,9 @@ impl clean::FnDecl { args_plain.push_str(", ..."); } - let arrow_plain; - let arrow = if let hir::IsAsync::Async = asyncness { - let output = self.sugared_async_return_type(); - arrow_plain = format!("{:#}", output.print(cx)); - if f.alternate() { arrow_plain.clone() } else { format!("{}", output.print(cx)) } - } else { - arrow_plain = format!("{:#}", self.output.print(cx)); - if f.alternate() { arrow_plain.clone() } else { format!("{}", self.output.print(cx)) } - }; + let arrow_plain = format!("{:#}", self.output.print(cx)); + let arrow = + if f.alternate() { arrow_plain.clone() } else { format!("{}", self.output.print(cx)) }; let declaration_len = header_len + args_plain.len() + arrow_plain.len(); let output = if declaration_len > 80 { diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs index 05547ea15..8922bf377 100644 --- a/src/librustdoc/html/highlight.rs +++ b/src/librustdoc/html/highlight.rs @@ -29,31 +29,74 @@ pub(crate) struct HrefContext<'a, 'b, 'c> { /// This field is used to know "how far" from the top of the directory we are to link to either /// documentation pages or other source pages. pub(crate) root_path: &'c str, + /// This field is used to calculate precise local URLs. + pub(crate) current_href: &'c str, } /// Decorations are represented as a map from CSS class to vector of character ranges. /// Each range will be wrapped in a span with that class. +#[derive(Default)] pub(crate) struct DecorationInfo(pub(crate) FxHashMap<&'static str, Vec<(u32, u32)>>); -/// Highlights `src`, returning the HTML output. -pub(crate) fn render_with_highlighting( +#[derive(Eq, PartialEq, Clone, Copy)] +pub(crate) enum Tooltip { + Ignore, + CompileFail, + ShouldPanic, + Edition(Edition), + None, +} + +/// Highlights `src` as an inline example, returning the HTML output. +pub(crate) fn render_example_with_highlighting( src: &str, out: &mut Buffer, - class: Option<&str>, + tooltip: Tooltip, playground_button: Option<&str>, - tooltip: Option<(Option<Edition>, &str)>, - edition: Edition, - extra_content: Option<Buffer>, - href_context: Option<HrefContext<'_, '_, '_>>, - decoration_info: Option<DecorationInfo>, ) { - debug!("highlighting: ================\n{}\n==============", src); - if let Some((edition_info, class)) = tooltip { + write_header(out, "rust-example-rendered", None, tooltip); + write_code(out, src, None, None); + write_footer(out, playground_button); +} + +/// Highlights `src` as a macro, returning the HTML output. +pub(crate) fn render_macro_with_highlighting(src: &str, out: &mut Buffer) { + write_header(out, "macro", None, Tooltip::None); + write_code(out, src, None, None); + write_footer(out, None); +} + +/// Highlights `src` as a source code page, returning the HTML output. +pub(crate) fn render_source_with_highlighting( + src: &str, + out: &mut Buffer, + line_numbers: Buffer, + href_context: HrefContext<'_, '_, '_>, + decoration_info: DecorationInfo, +) { + write_header(out, "", Some(line_numbers), Tooltip::None); + write_code(out, src, Some(href_context), Some(decoration_info)); + write_footer(out, None); +} + +fn write_header(out: &mut Buffer, class: &str, extra_content: Option<Buffer>, tooltip: Tooltip) { + write!( + out, + "<div class=\"example-wrap{}\">", + match tooltip { + Tooltip::Ignore => " ignore", + Tooltip::CompileFail => " compile_fail", + Tooltip::ShouldPanic => " should_panic", + Tooltip::Edition(_) => " edition", + Tooltip::None => "", + }, + ); + + if tooltip != Tooltip::None { write!( out, - "<div class='information'><div class='tooltip {}'{}>ⓘ</div></div>", - class, - if let Some(edition_info) = edition_info { + "<div class='tooltip'{}>ⓘ</div>", + if let Tooltip::Edition(edition_info) = tooltip { format!(" data-edition=\"{}\"", edition_info) } else { String::new() @@ -61,24 +104,115 @@ pub(crate) fn render_with_highlighting( ); } - write_header(out, class, extra_content); - write_code(out, src, edition, href_context, decoration_info); - write_footer(out, playground_button); -} - -fn write_header(out: &mut Buffer, class: Option<&str>, extra_content: Option<Buffer>) { - write!(out, "<div class=\"example-wrap\">"); if let Some(extra) = extra_content { out.push_buffer(extra); } - if let Some(class) = class { - write!(out, "<pre class=\"rust {}\">", class); - } else { + if class.is_empty() { write!(out, "<pre class=\"rust\">"); + } else { + write!(out, "<pre class=\"rust {class}\">"); } write!(out, "<code>"); } +/// Check if two `Class` can be merged together. In the following rules, "unclassified" means `None` +/// basically (since it's `Option<Class>`). The following rules apply: +/// +/// * If two `Class` have the same variant, then they can be merged. +/// * If the other `Class` is unclassified and only contains white characters (backline, +/// whitespace, etc), it can be merged. +/// * `Class::Ident` is considered the same as unclassified (because it doesn't have an associated +/// CSS class). +fn can_merge(class1: Option<Class>, class2: Option<Class>, text: &str) -> bool { + match (class1, class2) { + (Some(c1), Some(c2)) => c1.is_equal_to(c2), + (Some(Class::Ident(_)), None) | (None, Some(Class::Ident(_))) => true, + (Some(_), None) | (None, Some(_)) => text.trim().is_empty(), + (None, None) => true, + } +} + +/// This type is used as a conveniency to prevent having to pass all its fields as arguments into +/// the various functions (which became its methods). +struct TokenHandler<'a, 'b, 'c, 'd, 'e> { + out: &'a mut Buffer, + /// It contains the closing tag and the associated `Class`. + closing_tags: Vec<(&'static str, Class)>, + /// This is used because we don't automatically generate the closing tag on `ExitSpan` in + /// case an `EnterSpan` event with the same class follows. + pending_exit_span: Option<Class>, + /// `current_class` and `pending_elems` are used to group HTML elements with same `class` + /// attributes to reduce the DOM size. + current_class: Option<Class>, + /// We need to keep the `Class` for each element because it could contain a `Span` which is + /// used to generate links. + pending_elems: Vec<(&'b str, Option<Class>)>, + href_context: Option<HrefContext<'c, 'd, 'e>>, +} + +impl<'a, 'b, 'c, 'd, 'e> TokenHandler<'a, 'b, 'c, 'd, 'e> { + fn handle_exit_span(&mut self) { + // We can't get the last `closing_tags` element using `pop()` because `closing_tags` is + // being used in `write_pending_elems`. + let class = self.closing_tags.last().expect("ExitSpan without EnterSpan").1; + // We flush everything just in case... + self.write_pending_elems(Some(class)); + + exit_span(self.out, self.closing_tags.pop().expect("ExitSpan without EnterSpan").0); + self.pending_exit_span = None; + } + + /// Write all the pending elements sharing a same (or at mergeable) `Class`. + /// + /// If there is a "parent" (if a `EnterSpan` event was encountered) and the parent can be merged + /// with the elements' class, then we simply write the elements since the `ExitSpan` event will + /// close the tag. + /// + /// Otherwise, if there is only one pending element, we let the `string` function handle both + /// opening and closing the tag, otherwise we do it into this function. + /// + /// It returns `true` if `current_class` must be set to `None` afterwards. + fn write_pending_elems(&mut self, current_class: Option<Class>) -> bool { + if self.pending_elems.is_empty() { + return false; + } + if let Some((_, parent_class)) = self.closing_tags.last() && + can_merge(current_class, Some(*parent_class), "") + { + for (text, class) in self.pending_elems.iter() { + string(self.out, Escape(text), *class, &self.href_context, false); + } + } else { + // We only want to "open" the tag ourselves if we have more than one pending and if the + // current parent tag is not the same as our pending content. + let close_tag = if self.pending_elems.len() > 1 && current_class.is_some() { + Some(enter_span(self.out, current_class.unwrap(), &self.href_context)) + } else { + None + }; + for (text, class) in self.pending_elems.iter() { + string(self.out, Escape(text), *class, &self.href_context, close_tag.is_none()); + } + if let Some(close_tag) = close_tag { + exit_span(self.out, close_tag); + } + } + self.pending_elems.clear(); + true + } +} + +impl<'a, 'b, 'c, 'd, 'e> Drop for TokenHandler<'a, 'b, 'c, 'd, 'e> { + /// When leaving, we need to flush all pending data to not have missing content. + fn drop(&mut self) { + if self.pending_exit_span.is_some() { + self.handle_exit_span(); + } else { + self.write_pending_elems(self.current_class); + } + } +} + /// Convert the given `src` source code into HTML by adding classes for highlighting. /// /// This code is used to render code blocks (in the documentation) as well as the source code pages. @@ -93,27 +227,74 @@ fn write_header(out: &mut Buffer, class: Option<&str>, extra_content: Option<Buf fn write_code( out: &mut Buffer, src: &str, - edition: Edition, href_context: Option<HrefContext<'_, '_, '_>>, decoration_info: Option<DecorationInfo>, ) { // This replace allows to fix how the code source with DOS backline characters is displayed. let src = src.replace("\r\n", "\n"); - let mut closing_tags: Vec<&'static str> = Vec::new(); + let mut token_handler = TokenHandler { + out, + closing_tags: Vec::new(), + pending_exit_span: None, + current_class: None, + pending_elems: Vec::new(), + href_context, + }; + Classifier::new( &src, - edition, - href_context.as_ref().map(|c| c.file_span).unwrap_or(DUMMY_SP), + token_handler.href_context.as_ref().map(|c| c.file_span).unwrap_or(DUMMY_SP), decoration_info, ) .highlight(&mut |highlight| { match highlight { - Highlight::Token { text, class } => string(out, Escape(text), class, &href_context), + Highlight::Token { text, class } => { + // If we received a `ExitSpan` event and then have a non-compatible `Class`, we + // need to close the `<span>`. + let need_current_class_update = if let Some(pending) = token_handler.pending_exit_span && + !can_merge(Some(pending), class, text) { + token_handler.handle_exit_span(); + true + // If the two `Class` are different, time to flush the current content and start + // a new one. + } else if !can_merge(token_handler.current_class, class, text) { + token_handler.write_pending_elems(token_handler.current_class); + true + } else { + token_handler.current_class.is_none() + }; + + if need_current_class_update { + token_handler.current_class = class.map(Class::dummy); + } + token_handler.pending_elems.push((text, class)); + } Highlight::EnterSpan { class } => { - closing_tags.push(enter_span(out, class, &href_context)) + let mut should_add = true; + if let Some(pending_exit_span) = token_handler.pending_exit_span { + if class.is_equal_to(pending_exit_span) { + should_add = false; + } else { + token_handler.handle_exit_span(); + } + } else { + // We flush everything just in case... + if token_handler.write_pending_elems(token_handler.current_class) { + token_handler.current_class = None; + } + } + if should_add { + let closing_tag = enter_span(token_handler.out, class, &token_handler.href_context); + token_handler.closing_tags.push((closing_tag, class)); + } + + token_handler.current_class = None; + token_handler.pending_exit_span = None; } Highlight::ExitSpan => { - exit_span(out, closing_tags.pop().expect("ExitSpan without EnterSpan")) + token_handler.current_class = None; + token_handler.pending_exit_span = + Some(token_handler.closing_tags.last().as_ref().expect("ExitSpan without EnterSpan").1); } }; }); @@ -130,15 +311,15 @@ enum Class { DocComment, Attribute, KeyWord, - // Keywords that do pointer/reference stuff. + /// Keywords that do pointer/reference stuff. RefKeyWord, Self_(Span), - Op, Macro(Span), MacroNonTerminal, String, Number, Bool, + /// `Ident` isn't rendered in the HTML but we still need it for the `Span` it contains. Ident(Span), Lifetime, PreludeTy, @@ -148,6 +329,31 @@ enum Class { } impl Class { + /// It is only looking at the variant, not the variant content. + /// + /// It is used mostly to group multiple similar HTML elements into one `<span>` instead of + /// multiple ones. + fn is_equal_to(self, other: Self) -> bool { + match (self, other) { + (Self::Self_(_), Self::Self_(_)) + | (Self::Macro(_), Self::Macro(_)) + | (Self::Ident(_), Self::Ident(_)) => true, + (Self::Decoration(c1), Self::Decoration(c2)) => c1 == c2, + (x, y) => x == y, + } + } + + /// If `self` contains a `Span`, it'll be replaced with `DUMMY_SP` to prevent creating links + /// on "empty content" (because of the attributes merge). + fn dummy(self) -> Self { + match self { + Self::Self_(_) => Self::Self_(DUMMY_SP), + Self::Macro(_) => Self::Macro(DUMMY_SP), + Self::Ident(_) => Self::Ident(DUMMY_SP), + s => s, + } + } + /// Returns the css class expected by rustdoc for each `Class`. fn as_html(self) -> &'static str { match self { @@ -157,13 +363,12 @@ impl Class { Class::KeyWord => "kw", Class::RefKeyWord => "kw-2", Class::Self_(_) => "self", - Class::Op => "op", Class::Macro(_) => "macro", Class::MacroNonTerminal => "macro-nonterminal", Class::String => "string", Class::Number => "number", Class::Bool => "bool-val", - Class::Ident(_) => "ident", + Class::Ident(_) => "", Class::Lifetime => "lifetime", Class::PreludeTy => "prelude-ty", Class::PreludeVal => "prelude-val", @@ -182,7 +387,6 @@ impl Class { | Self::Attribute | Self::KeyWord | Self::RefKeyWord - | Self::Op | Self::MacroNonTerminal | Self::String | Self::Number @@ -220,7 +424,7 @@ impl<'a> Iterator for TokenIter<'a> { } /// Classifies into identifier class; returns `None` if this is a non-keyword identifier. -fn get_real_ident_class(text: &str, edition: Edition, allow_path_keywords: bool) -> Option<Class> { +fn get_real_ident_class(text: &str, allow_path_keywords: bool) -> Option<Class> { let ignore: &[&str] = if allow_path_keywords { &["self", "Self", "super", "crate"] } else { &["self", "Self"] }; if ignore.iter().any(|k| *k == text) { @@ -229,7 +433,7 @@ fn get_real_ident_class(text: &str, edition: Edition, allow_path_keywords: bool) Some(match text { "ref" | "mut" => Class::RefKeyWord, "false" | "true" => Class::Bool, - _ if Symbol::intern(text).is_reserved(|| edition) => Class::KeyWord, + _ if Symbol::intern(text).is_reserved(|| Edition::Edition2021) => Class::KeyWord, _ => return None, }) } @@ -250,7 +454,7 @@ impl<'a> PeekIter<'a> { fn new(iter: TokenIter<'a>) -> Self { Self { stored: VecDeque::new(), peek_pos: 0, iter } } - /// Returns the next item after the current one. It doesn't interfer with `peek_next` output. + /// Returns the next item after the current one. It doesn't interfere with `peek_next` output. fn peek(&mut self) -> Option<&(TokenKind, &'a str)> { if self.stored.is_empty() { if let Some(next) = self.iter.next() { @@ -259,7 +463,7 @@ impl<'a> PeekIter<'a> { } self.stored.front() } - /// Returns the next item after the last one peeked. It doesn't interfer with `peek` output. + /// Returns the next item after the last one peeked. It doesn't interfere with `peek` output. fn peek_next(&mut self) -> Option<&(TokenKind, &'a str)> { self.peek_pos += 1; if self.peek_pos - 1 < self.stored.len() { @@ -311,7 +515,6 @@ struct Classifier<'a> { in_attribute: bool, in_macro: bool, in_macro_nonterminal: bool, - edition: Edition, byte_pos: u32, file_span: Span, src: &'a str, @@ -321,12 +524,7 @@ struct Classifier<'a> { impl<'a> Classifier<'a> { /// Takes as argument the source code to HTML-ify, the rust edition to use and the source code /// file span which will be used later on by the `span_correspondance_map`. - fn new( - src: &str, - edition: Edition, - file_span: Span, - decoration_info: Option<DecorationInfo>, - ) -> Classifier<'_> { + fn new(src: &str, file_span: Span, decoration_info: Option<DecorationInfo>) -> Classifier<'_> { let tokens = PeekIter::new(TokenIter { src }); let decorations = decoration_info.map(Decorations::new); Classifier { @@ -334,7 +532,6 @@ impl<'a> Classifier<'a> { in_attribute: false, in_macro: false, in_macro_nonterminal: false, - edition, byte_pos: 0, file_span, src, @@ -354,7 +551,6 @@ impl<'a> Classifier<'a> { let start = self.byte_pos as usize; let mut pos = start; let mut has_ident = false; - let edition = self.edition; loop { let mut nb = 0; @@ -376,7 +572,7 @@ impl<'a> Classifier<'a> { if let Some((None, text)) = self.tokens.peek().map(|(token, text)| { if *token == TokenKind::Ident { - let class = get_real_ident_class(text, edition, true); + let class = get_real_ident_class(text, true); (class, text) } else { // Doesn't matter which Class we put in here... @@ -494,7 +690,7 @@ impl<'a> Classifier<'a> { // or a reference or pointer type. Unless, of course, it looks like // a logical and or a multiplication operator: `&&` or `* `. TokenKind::Star => match self.tokens.peek() { - Some((TokenKind::Whitespace, _)) => Class::Op, + Some((TokenKind::Whitespace, _)) => return no_highlight(sink), Some((TokenKind::Ident, "mut")) => { self.next(); sink(Highlight::Token { text: "*mut", class: Some(Class::RefKeyWord) }); @@ -510,15 +706,15 @@ impl<'a> Classifier<'a> { TokenKind::And => match self.tokens.peek() { Some((TokenKind::And, _)) => { self.next(); - sink(Highlight::Token { text: "&&", class: Some(Class::Op) }); + sink(Highlight::Token { text: "&&", class: None }); return; } Some((TokenKind::Eq, _)) => { self.next(); - sink(Highlight::Token { text: "&=", class: Some(Class::Op) }); + sink(Highlight::Token { text: "&=", class: None }); return; } - Some((TokenKind::Whitespace, _)) => Class::Op, + Some((TokenKind::Whitespace, _)) => return no_highlight(sink), Some((TokenKind::Ident, "mut")) => { self.next(); sink(Highlight::Token { text: "&mut", class: Some(Class::RefKeyWord) }); @@ -531,7 +727,7 @@ impl<'a> Classifier<'a> { TokenKind::Eq => match lookahead { Some(TokenKind::Eq) => { self.next(); - sink(Highlight::Token { text: "==", class: Some(Class::Op) }); + sink(Highlight::Token { text: "==", class: None }); return; } Some(TokenKind::Gt) => { @@ -539,7 +735,7 @@ impl<'a> Classifier<'a> { sink(Highlight::Token { text: "=>", class: None }); return; } - _ => Class::Op, + _ => return no_highlight(sink), }, TokenKind::Minus if lookahead == Some(TokenKind::Gt) => { self.next(); @@ -556,7 +752,7 @@ impl<'a> Classifier<'a> { | TokenKind::Percent | TokenKind::Bang | TokenKind::Lt - | TokenKind::Gt => Class::Op, + | TokenKind::Gt => return no_highlight(sink), // Miscellaneous, no highlighting. TokenKind::Dot @@ -634,7 +830,7 @@ impl<'a> Classifier<'a> { sink(Highlight::Token { text, class: None }); return; } - TokenKind::Ident => match get_real_ident_class(text, self.edition, false) { + TokenKind::Ident => match get_real_ident_class(text, false) { None => match text { "Option" | "Result" => Class::PreludeTy, "Some" | "None" | "Ok" | "Err" => Class::PreludeVal, @@ -682,7 +878,7 @@ fn enter_span( klass: Class, href_context: &Option<HrefContext<'_, '_, '_>>, ) -> &'static str { - string_without_closing_tag(out, "", Some(klass), href_context).expect( + string_without_closing_tag(out, "", Some(klass), href_context, true).expect( "internal error: enter_span was called with Some(klass) but did not return a \ closing HTML tag", ) @@ -714,8 +910,10 @@ fn string<T: Display>( text: T, klass: Option<Class>, href_context: &Option<HrefContext<'_, '_, '_>>, + open_tag: bool, ) { - if let Some(closing_tag) = string_without_closing_tag(out, text, klass, href_context) { + if let Some(closing_tag) = string_without_closing_tag(out, text, klass, href_context, open_tag) + { out.write_str(closing_tag); } } @@ -734,6 +932,7 @@ fn string_without_closing_tag<T: Display>( text: T, klass: Option<Class>, href_context: &Option<HrefContext<'_, '_, '_>>, + open_tag: bool, ) -> Option<&'static str> { let Some(klass) = klass else { @@ -742,6 +941,10 @@ fn string_without_closing_tag<T: Display>( }; let Some(def_span) = klass.get_span() else { + if !open_tag { + write!(out, "{}", text); + return None; + } write!(out, "<span class=\"{}\">{}", klass.as_html(), text); return Some("</span>"); }; @@ -765,6 +968,7 @@ fn string_without_closing_tag<T: Display>( path }); } + if let Some(href_context) = href_context { if let Some(href) = href_context.context.shared.span_correspondance_map.get(&def_span).and_then(|href| { @@ -775,9 +979,9 @@ fn string_without_closing_tag<T: Display>( // a link to their definition can be generated using this: // https://github.com/rust-lang/rust/blob/60f1a2fc4b535ead9c85ce085fdce49b1b097531/src/librustdoc/html/render/context.rs#L315-L338 match href { - LinkFromSrc::Local(span) => context - .href_from_span(*span, true) - .map(|s| format!("{}{}", href_context.root_path, s)), + LinkFromSrc::Local(span) => { + context.href_from_span_relative(*span, href_context.current_href) + } LinkFromSrc::External(def_id) => { format::href_with_root_path(*def_id, context, Some(href_context.root_path)) .ok() @@ -793,12 +997,33 @@ fn string_without_closing_tag<T: Display>( } }) { - write!(out, "<a class=\"{}\" href=\"{}\">{}", klass.as_html(), href, text_s); + if !open_tag { + // We're already inside an element which has the same klass, no need to give it + // again. + write!(out, "<a href=\"{}\">{}", href, text_s); + } else { + let klass_s = klass.as_html(); + if klass_s.is_empty() { + write!(out, "<a href=\"{}\">{}", href, text_s); + } else { + write!(out, "<a class=\"{}\" href=\"{}\">{}", klass_s, href, text_s); + } + } return Some("</a>"); } } - write!(out, "<span class=\"{}\">{}", klass.as_html(), text_s); - Some("</span>") + if !open_tag { + write!(out, "{}", text_s); + return None; + } + let klass_s = klass.as_html(); + if klass_s.is_empty() { + write!(out, "{}", text_s); + Some("") + } else { + write!(out, "<span class=\"{}\">{}", klass_s, text_s); + Some("</span>") + } } #[cfg(test)] diff --git a/src/librustdoc/html/highlight/fixtures/decorations.html b/src/librustdoc/html/highlight/fixtures/decorations.html index 45f567880..ebf29f9cb 100644 --- a/src/librustdoc/html/highlight/fixtures/decorations.html +++ b/src/librustdoc/html/highlight/fixtures/decorations.html @@ -1,2 +1,4 @@ -<span class="example"><span class="kw">let</span> <span class="ident">x</span> <span class="op">=</span> <span class="number">1</span>;</span> -<span class="kw">let</span> <span class="ident">y</span> <span class="op">=</span> <span class="number">2</span>;
\ No newline at end of file +<span class="example"><span class="kw">let </span>x = <span class="number">1</span>; +<span class="kw">let </span>y = <span class="number">2</span>; +</span><span class="example2"><span class="kw">let </span>z = <span class="number">3</span>; +</span><span class="kw">let </span>a = <span class="number">4</span>;
\ No newline at end of file diff --git a/src/librustdoc/html/highlight/fixtures/dos_line.html b/src/librustdoc/html/highlight/fixtures/dos_line.html index 1c8dbffe7..30b50ca7c 100644 --- a/src/librustdoc/html/highlight/fixtures/dos_line.html +++ b/src/librustdoc/html/highlight/fixtures/dos_line.html @@ -1,3 +1,3 @@ -<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">foo</span>() { +<span class="kw">pub fn </span>foo() { <span class="macro">println!</span>(<span class="string">"foo"</span>); } diff --git a/src/librustdoc/html/highlight/fixtures/highlight.html b/src/librustdoc/html/highlight/fixtures/highlight.html index abc2db179..9f73e03f9 100644 --- a/src/librustdoc/html/highlight/fixtures/highlight.html +++ b/src/librustdoc/html/highlight/fixtures/highlight.html @@ -1,4 +1,4 @@ -<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::a::foo</span>; -<span class="kw">use</span> <span class="ident"><span class="self">self</span>::whatever</span>; -<span class="kw">let</span> <span class="ident">x</span> <span class="op">=</span> <span class="ident"><span class="kw">super</span>::b::foo</span>; -<span class="kw">let</span> <span class="ident">y</span> <span class="op">=</span> <span class="ident"><span class="self">Self</span>::whatever</span>;
\ No newline at end of file +<span class="kw">use </span><span class="kw">crate</span>::a::foo; +<span class="kw">use </span><span class="self">self</span>::whatever; +<span class="kw">let </span>x = <span class="kw">super</span>::b::foo; +<span class="kw">let </span>y = <span class="self">Self</span>::whatever;
\ No newline at end of file diff --git a/src/librustdoc/html/highlight/fixtures/sample.html b/src/librustdoc/html/highlight/fixtures/sample.html index b117a12e3..4a5a3cf60 100644 --- a/src/librustdoc/html/highlight/fixtures/sample.html +++ b/src/librustdoc/html/highlight/fixtures/sample.html @@ -8,30 +8,31 @@ .lifetime { color: #B76514; } .question-mark { color: #ff9011; } </style> -<pre><code><span class="attribute">#![<span class="ident">crate_type</span> <span class="op">=</span> <span class="string">"lib"</span>]</span> +<pre><code><span class="attribute">#![crate_type = <span class="string">"lib"</span>] -<span class="kw">use</span> <span class="ident">std::path</span>::{<span class="ident">Path</span>, <span class="ident">PathBuf</span>}; +</span><span class="kw">use </span>std::path::{Path, PathBuf}; -<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"linux"</span>)]</span> -<span class="kw">fn</span> <span class="ident">main</span>() -> () { - <span class="kw">let</span> <span class="ident">foo</span> <span class="op">=</span> <span class="bool-val">true</span> <span class="op">&&</span> <span class="bool-val">false</span> <span class="op">|</span><span class="op">|</span> <span class="bool-val">true</span>; - <span class="kw">let</span> <span class="kw">_</span>: <span class="kw-2">*const</span> () <span class="op">=</span> <span class="number">0</span>; - <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="kw-2">&</span><span class="ident">foo</span>; - <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="op">&&</span><span class="ident">foo</span>; - <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="kw-2">*</span><span class="ident">foo</span>; - <span class="macro">mac!</span>(<span class="ident">foo</span>, <span class="kw-2">&mut</span> <span class="ident">bar</span>); - <span class="macro">assert!</span>(<span class="self">self</span>.<span class="ident">length</span> <span class="op"><</span> <span class="ident">N</span> <span class="op">&&</span> <span class="ident">index</span> <span class="op"><</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">length</span>); - <span class="ident">::std::env::var</span>(<span class="string">"gateau"</span>).<span class="ident">is_ok</span>(); - <span class="attribute">#[<span class="ident">rustfmt::skip</span>]</span> - <span class="kw">let</span> <span class="ident">s</span>:<span class="ident">std::path::PathBuf</span> <span class="op">=</span> <span class="ident">std::path::PathBuf::new</span>(); - <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">String::new</span>(); +<span class="attribute">#[cfg(target_os = <span class="string">"linux"</span>)] +#[cfg(target_os = <span class="string">"windows"</span>)] +</span><span class="kw">fn </span>main() -> () { + <span class="kw">let </span>foo = <span class="bool-val">true </span>&& <span class="bool-val">false </span>|| <span class="bool-val">true</span>; + <span class="kw">let _</span>: <span class="kw-2">*const </span>() = <span class="number">0</span>; + <span class="kw">let _ </span>= <span class="kw-2">&</span>foo; + <span class="kw">let _ </span>= &&foo; + <span class="kw">let _ </span>= <span class="kw-2">*</span>foo; + <span class="macro">mac!</span>(foo, <span class="kw-2">&mut </span>bar); + <span class="macro">assert!</span>(<span class="self">self</span>.length < N && index <= <span class="self">self</span>.length); + ::std::env::var(<span class="string">"gateau"</span>).is_ok(); + <span class="attribute">#[rustfmt::skip] + </span><span class="kw">let </span>s:std::path::PathBuf = std::path::PathBuf::new(); + <span class="kw">let </span><span class="kw-2">mut </span>s = String::new(); - <span class="kw">match</span> <span class="kw-2">&</span><span class="ident">s</span> { - <span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">x</span> => {} + <span class="kw">match </span><span class="kw-2">&</span>s { + <span class="kw-2">ref mut </span>x => {} } } -<span class="macro">macro_rules!</span> <span class="ident">bar</span> { - (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">foo</span>:<span class="ident">tt</span>) => {}; +<span class="macro">macro_rules! </span>bar { + (<span class="macro-nonterminal">$foo</span>:tt) => {}; } </code></pre> diff --git a/src/librustdoc/html/highlight/fixtures/sample.rs b/src/librustdoc/html/highlight/fixtures/sample.rs index fbfdc6767..ef85b566c 100644 --- a/src/librustdoc/html/highlight/fixtures/sample.rs +++ b/src/librustdoc/html/highlight/fixtures/sample.rs @@ -3,6 +3,7 @@ use std::path::{Path, PathBuf}; #[cfg(target_os = "linux")] +#[cfg(target_os = "windows")] fn main() -> () { let foo = true && false || true; let _: *const () = 0; diff --git a/src/librustdoc/html/highlight/fixtures/union.html b/src/librustdoc/html/highlight/fixtures/union.html index c0acf31a0..9f8915282 100644 --- a/src/librustdoc/html/highlight/fixtures/union.html +++ b/src/librustdoc/html/highlight/fixtures/union.html @@ -1,8 +1,8 @@ -<span class="kw">union</span> <span class="ident">Foo</span> { - <span class="ident">i</span>: <span class="ident">i8</span>, - <span class="ident">u</span>: <span class="ident">i8</span>, +<span class="kw">union </span>Foo { + i: i8, + u: i8, } -<span class="kw">fn</span> <span class="ident">main</span>() { - <span class="kw">let</span> <span class="ident">union</span> <span class="op">=</span> <span class="number">0</span>; +<span class="kw">fn </span>main() { + <span class="kw">let </span>union = <span class="number">0</span>; } diff --git a/src/librustdoc/html/highlight/tests.rs b/src/librustdoc/html/highlight/tests.rs index 1fea7e983..a5e633df4 100644 --- a/src/librustdoc/html/highlight/tests.rs +++ b/src/librustdoc/html/highlight/tests.rs @@ -3,7 +3,6 @@ use crate::html::format::Buffer; use expect_test::expect_file; use rustc_data_structures::fx::FxHashMap; use rustc_span::create_default_session_globals_then; -use rustc_span::edition::Edition; const STYLE: &str = r#" <style> @@ -23,7 +22,7 @@ fn test_html_highlighting() { let src = include_str!("fixtures/sample.rs"); let html = { let mut out = Buffer::new(); - write_code(&mut out, src, Edition::Edition2018, None, None); + write_code(&mut out, src, None, None); format!("{}<pre><code>{}</code></pre>\n", STYLE, out.into_inner()) }; expect_file!["fixtures/sample.html"].assert_eq(&html); @@ -37,7 +36,7 @@ fn test_dos_backline() { println!(\"foo\");\r\n\ }\r\n"; let mut html = Buffer::new(); - write_code(&mut html, src, Edition::Edition2018, None, None); + write_code(&mut html, src, None, None); expect_file!["fixtures/dos_line.html"].assert_eq(&html.into_inner()); }); } @@ -51,7 +50,7 @@ let x = super::b::foo; let y = Self::whatever;"; let mut html = Buffer::new(); - write_code(&mut html, src, Edition::Edition2018, None, None); + write_code(&mut html, src, None, None); expect_file!["fixtures/highlight.html"].assert_eq(&html.into_inner()); }); } @@ -61,7 +60,7 @@ fn test_union_highlighting() { create_default_session_globals_then(|| { let src = include_str!("fixtures/union.rs"); let mut html = Buffer::new(); - write_code(&mut html, src, Edition::Edition2018, None, None); + write_code(&mut html, src, None, None); expect_file!["fixtures/union.html"].assert_eq(&html.into_inner()); }); } @@ -70,12 +69,15 @@ fn test_union_highlighting() { fn test_decorations() { create_default_session_globals_then(|| { let src = "let x = 1; -let y = 2;"; +let y = 2; +let z = 3; +let a = 4;"; let mut decorations = FxHashMap::default(); - decorations.insert("example", vec![(0, 10)]); + decorations.insert("example", vec![(0, 10), (11, 21)]); + decorations.insert("example2", vec![(22, 32)]); let mut html = Buffer::new(); - write_code(&mut html, src, Edition::Edition2018, None, Some(DecorationInfo(decorations))); + write_code(&mut html, src, None, Some(DecorationInfo(decorations))); expect_file!["fixtures/decorations.html"].assert_eq(&html.into_inner()); }); } diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index 52a2effca..43d07d4a5 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -330,34 +330,27 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'_, 'a, I> { }); let tooltip = if ignore != Ignore::None { - Some((None, "ignore")) + highlight::Tooltip::Ignore } else if compile_fail { - Some((None, "compile_fail")) + highlight::Tooltip::CompileFail } else if should_panic { - Some((None, "should_panic")) + highlight::Tooltip::ShouldPanic } else if explicit_edition { - Some((Some(edition), "edition")) + highlight::Tooltip::Edition(edition) } else { - None + highlight::Tooltip::None }; // insert newline to clearly separate it from the // previous block so we can shorten the html output let mut s = Buffer::new(); s.push_str("\n"); - highlight::render_with_highlighting( + + highlight::render_example_with_highlighting( &text, &mut s, - Some(&format!( - "rust-example-rendered{}", - if let Some((_, class)) = tooltip { format!(" {}", class) } else { String::new() } - )), - playground_button.as_deref(), tooltip, - edition, - None, - None, - None, + playground_button.as_deref(), ); Some(Event::Html(s.into_inner().into())) } @@ -1126,7 +1119,11 @@ impl MarkdownSummaryLine<'_> { let mut s = String::new(); - html::push_html(&mut s, LinkReplacer::new(SummaryLine::new(p), links)); + let without_paragraphs = LinkReplacer::new(SummaryLine::new(p), links).filter(|event| { + !matches!(event, Event::Start(Tag::Paragraph) | Event::End(Tag::Paragraph)) + }); + + html::push_html(&mut s, without_paragraphs); s } @@ -1446,6 +1443,8 @@ fn init_id_map() -> FxHashMap<Cow<'static, str>, usize> { map.insert("not-displayed".into(), 1); map.insert("alternative-display".into(), 1); map.insert("search".into(), 1); + map.insert("crate-search".into(), 1); + map.insert("crate-search-div".into(), 1); // This is the list of IDs used in HTML generated in Rust (including the ones // used in tera template files). map.insert("mainThemeStyle".into(), 1); @@ -1453,7 +1452,6 @@ fn init_id_map() -> FxHashMap<Cow<'static, str>, usize> { map.insert("settings-menu".into(), 1); map.insert("help-button".into(), 1); map.insert("main-content".into(), 1); - map.insert("crate-search".into(), 1); map.insert("toggle-all-docs".into(), 1); map.insert("all-types".into(), 1); map.insert("default-settings".into(), 1); diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index 2ed7a6f1b..62def4a94 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -31,6 +31,7 @@ use crate::formats::FormatRenderer; use crate::html::escape::Escape; use crate::html::format::{join_with_double_colon, Buffer}; use crate::html::markdown::{self, plain_text_summary, ErrorCodes, IdMap}; +use crate::html::url_parts_builder::UrlPartsBuilder; use crate::html::{layout, sources}; use crate::scrape_examples::AllCallLocations; use crate::try_err; @@ -71,7 +72,7 @@ pub(crate) struct Context<'tcx> { } // `Context` is cloned a lot, so we don't want the size to grow unexpectedly. -#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] +#[cfg(all(not(windows), target_arch = "x86_64", target_pointer_width = "64"))] rustc_data_structures::static_assert_size!(Context<'_>, 128); /// Shared mutable state used in [`Context`] and elsewhere. @@ -301,13 +302,10 @@ impl<'tcx> Context<'tcx> { /// may happen, for example, with externally inlined items where the source /// of their crate documentation isn't known. pub(super) fn src_href(&self, item: &clean::Item) -> Option<String> { - self.href_from_span(item.span(self.tcx()), true) + self.href_from_span(item.span(self.tcx())?, true) } pub(crate) fn href_from_span(&self, span: clean::Span, with_lines: bool) -> Option<String> { - if span.is_dummy() { - return None; - } let mut root = self.root_path(); let mut path = String::new(); let cnum = span.cnum(self.sess()); @@ -373,6 +371,35 @@ impl<'tcx> Context<'tcx> { anchor = anchor )) } + + pub(crate) fn href_from_span_relative( + &self, + span: clean::Span, + relative_to: &str, + ) -> Option<String> { + self.href_from_span(span, false).map(|s| { + let mut url = UrlPartsBuilder::new(); + let mut dest_href_parts = s.split('/'); + let mut cur_href_parts = relative_to.split('/'); + for (cur_href_part, dest_href_part) in (&mut cur_href_parts).zip(&mut dest_href_parts) { + if cur_href_part != dest_href_part { + url.push(dest_href_part); + break; + } + } + for dest_href_part in dest_href_parts { + url.push(dest_href_part); + } + let loline = span.lo(self.sess()).line; + let hiline = span.hi(self.sess()).line; + format!( + "{}{}#{}", + "../".repeat(cur_href_parts.count()), + url.finish(), + if loline == hiline { loline.to_string() } else { format!("{loline}-{hiline}") } + ) + }) + } } /// Generates the documentation for `crate` into the directory `dst` diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index a262c8f7d..1e6f20d2b 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -191,12 +191,6 @@ impl StylePath { } } -fn write_srclink(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer) { - if let Some(l) = cx.src_href(item) { - write!(buf, "<a class=\"srclink\" href=\"{}\">source</a>", l) - } -} - #[derive(Debug, Eq, PartialEq, Hash)] struct ItemEntry { url: String, @@ -522,7 +516,14 @@ fn portability(item: &clean::Item, parent: Option<&clean::Item>) -> Option<Strin (cfg, _) => cfg.as_deref().cloned(), }; - debug!("Portability {:?} - {:?} = {:?}", item.cfg, parent.and_then(|p| p.cfg.as_ref()), cfg); + debug!( + "Portability {:?} {:?} (parent: {:?}) - {:?} = {:?}", + item.name, + item.cfg, + parent, + parent.and_then(|p| p.cfg.as_ref()), + cfg + ); Some(format!("<div class=\"stab portability\">{}</div>", cfg?.render_long_html())) } @@ -569,7 +570,10 @@ fn short_item_info( message.push_str(&format!(": {}", html.into_string())); } extra_info.push(format!( - "<div class=\"stab deprecated\"><span class=\"emoji\">👎</span> {}</div>", + "<div class=\"stab deprecated\">\ + <span class=\"emoji\">👎</span>\ + <span>{}</span>\ + </div>", message, )); } @@ -582,8 +586,9 @@ fn short_item_info( .filter(|stab| stab.feature != sym::rustc_private) .map(|stab| (stab.level, stab.feature)) { - let mut message = - "<span class=\"emoji\">🔬</span> This is a nightly-only experimental API.".to_owned(); + let mut message = "<span class=\"emoji\">🔬</span>\ + <span>This is a nightly-only experimental API." + .to_owned(); let mut feature = format!("<code>{}</code>", Escape(feature.as_str())); if let (Some(url), Some(issue)) = (&cx.shared.issue_tracker_base_url, issue) { @@ -594,7 +599,7 @@ fn short_item_info( )); } - message.push_str(&format!(" ({})", feature)); + message.push_str(&format!(" ({})</span>", feature)); extra_info.push(format!("<div class=\"stab unstable\">{}</div>", message)); } @@ -608,10 +613,10 @@ fn short_item_info( // Render the list of items inside one of the sections "Trait Implementations", // "Auto Trait Implementations," "Blanket Trait Implementations" (on struct/enum pages). -fn render_impls( +pub(crate) fn render_impls( cx: &mut Context<'_>, w: &mut Buffer, - impls: &[&&Impl], + impls: &[&Impl], containing_item: &clean::Item, toggle_open_by_default: bool, ) { @@ -816,7 +821,7 @@ fn assoc_method( href = href, name = name, generics = g.print(cx), - decl = d.full_print(header_len, indent, header.asyncness, cx), + decl = d.full_print(header_len, indent, cx), notable_traits = notable_traits_decl(d, cx), where_clause = print_where_clause(g, cx, indent, end_newline), ) @@ -836,12 +841,13 @@ fn assoc_method( /// Note that it is possible for an unstable function to be const-stable. In that case, the span /// will include the const-stable version, but no stable version will be emitted, as a natural /// consequence of the above rules. -fn render_stability_since_raw( +fn render_stability_since_raw_with_extra( w: &mut Buffer, ver: Option<Symbol>, const_stability: Option<ConstStability>, containing_ver: Option<Symbol>, containing_const_ver: Option<Symbol>, + extra_class: &str, ) -> bool { let stable_version = ver.filter(|inner| !inner.is_empty() && Some(*inner) != containing_ver); @@ -889,12 +895,30 @@ fn render_stability_since_raw( } if !stability.is_empty() { - write!(w, r#"<span class="since" title="{}">{}</span>"#, title, stability); + write!(w, r#"<span class="since{extra_class}" title="{title}">{stability}</span>"#); } !stability.is_empty() } +#[inline] +fn render_stability_since_raw( + w: &mut Buffer, + ver: Option<Symbol>, + const_stability: Option<ConstStability>, + containing_ver: Option<Symbol>, + containing_const_ver: Option<Symbol>, +) -> bool { + render_stability_since_raw_with_extra( + w, + ver, + const_stability, + containing_ver, + containing_const_ver, + "", + ) +} + fn render_assoc_item( w: &mut Buffer, item: &clean::Item, @@ -1001,6 +1025,47 @@ impl<'a> AssocItemLink<'a> { } } +fn write_impl_section_heading(w: &mut Buffer, title: &str, id: &str) { + write!( + w, + "<h2 id=\"{id}\" class=\"small-section-header\">\ + {title}\ + <a href=\"#{id}\" class=\"anchor\"></a>\ + </h2>" + ); +} + +pub(crate) fn render_all_impls( + w: &mut Buffer, + cx: &mut Context<'_>, + containing_item: &clean::Item, + concrete: &[&Impl], + synthetic: &[&Impl], + blanket_impl: &[&Impl], +) { + let mut impls = Buffer::empty_from(w); + render_impls(cx, &mut impls, concrete, containing_item, true); + let impls = impls.into_inner(); + if !impls.is_empty() { + write_impl_section_heading(w, "Trait Implementations", "trait-implementations"); + write!(w, "<div id=\"trait-implementations-list\">{}</div>", impls); + } + + if !synthetic.is_empty() { + write_impl_section_heading(w, "Auto Trait Implementations", "synthetic-implementations"); + w.write_str("<div id=\"synthetic-implementations-list\">"); + render_impls(cx, w, synthetic, containing_item, false); + w.write_str("</div>"); + } + + if !blanket_impl.is_empty() { + write_impl_section_heading(w, "Blanket Implementations", "blanket-implementations"); + w.write_str("<div id=\"blanket-implementations-list\">"); + render_impls(cx, w, blanket_impl, containing_item, false); + w.write_str("</div>"); + } +} + fn render_assoc_items( w: &mut Buffer, cx: &mut Context<'_>, @@ -1030,12 +1095,7 @@ fn render_assoc_items_inner( let mut tmp_buf = Buffer::empty_from(w); let (render_mode, id) = match what { AssocItemRender::All => { - tmp_buf.write_str( - "<h2 id=\"implementations\" class=\"small-section-header\">\ - Implementations\ - <a href=\"#implementations\" class=\"anchor\"></a>\ - </h2>", - ); + write_impl_section_heading(&mut tmp_buf, "Implementations", "implementations"); (RenderMode::Normal, "implementations-list".to_owned()) } AssocItemRender::DerefFor { trait_, type_, deref_mut_ } => { @@ -1044,15 +1104,14 @@ fn render_assoc_items_inner( if let Some(def_id) = type_.def_id(cx.cache()) { cx.deref_id_map.insert(def_id, id.clone()); } - write!( - tmp_buf, - "<h2 id=\"{id}\" class=\"small-section-header\">\ - <span>Methods from {trait_}<Target = {type_}></span>\ - <a href=\"#{id}\" class=\"anchor\"></a>\ - </h2>", - id = id, - trait_ = trait_.print(cx), - type_ = type_.print(cx), + write_impl_section_heading( + &mut tmp_buf, + &format!( + "<span>Methods from {trait_}<Target = {type_}></span>", + trait_ = trait_.print(cx), + type_ = type_.print(cx), + ), + &id, ); (RenderMode::ForDeref { mut_: deref_mut_ }, cx.derive_id(id)) } @@ -1099,49 +1158,12 @@ fn render_assoc_items_inner( return; } - let (synthetic, concrete): (Vec<&&Impl>, Vec<&&Impl>) = - traits.iter().partition(|t| t.inner_impl().kind.is_auto()); - let (blanket_impl, concrete): (Vec<&&Impl>, _) = + let (synthetic, concrete): (Vec<&Impl>, Vec<&Impl>) = + traits.into_iter().partition(|t| t.inner_impl().kind.is_auto()); + let (blanket_impl, concrete): (Vec<&Impl>, _) = concrete.into_iter().partition(|t| t.inner_impl().kind.is_blanket()); - let mut impls = Buffer::empty_from(w); - render_impls(cx, &mut impls, &concrete, containing_item, true); - let impls = impls.into_inner(); - if !impls.is_empty() { - write!( - w, - "<h2 id=\"trait-implementations\" class=\"small-section-header\">\ - Trait Implementations\ - <a href=\"#trait-implementations\" class=\"anchor\"></a>\ - </h2>\ - <div id=\"trait-implementations-list\">{}</div>", - impls - ); - } - - if !synthetic.is_empty() { - w.write_str( - "<h2 id=\"synthetic-implementations\" class=\"small-section-header\">\ - Auto Trait Implementations\ - <a href=\"#synthetic-implementations\" class=\"anchor\"></a>\ - </h2>\ - <div id=\"synthetic-implementations-list\">", - ); - render_impls(cx, w, &synthetic, containing_item, false); - w.write_str("</div>"); - } - - if !blanket_impl.is_empty() { - w.write_str( - "<h2 id=\"blanket-implementations\" class=\"small-section-header\">\ - Blanket Implementations\ - <a href=\"#blanket-implementations\" class=\"anchor\"></a>\ - </h2>\ - <div id=\"blanket-implementations-list\">", - ); - render_impls(cx, w, &blanket_impl, containing_item, false); - w.write_str("</div>"); - } + render_all_impls(w, cx, containing_item, &concrete, &synthetic, &blanket_impl); } } @@ -1550,6 +1572,15 @@ fn render_impl( rendering_params: ImplRenderingParameters, ) { for trait_item in &t.items { + // Skip over any default trait items that are impossible to call + // (e.g. if it has a `Self: Sized` bound on an unsized type). + if let Some(impl_def_id) = parent.item_id.as_def_id() + && let Some(trait_item_def_id) = trait_item.item_id.as_def_id() + && cx.tcx().is_impossible_method((impl_def_id, trait_item_def_id)) + { + continue; + } + let n = trait_item.name; if i.items.iter().any(|m| m.name == n) { continue; @@ -1668,23 +1699,29 @@ fn render_rightside( RenderMode::Normal => (item.const_stability(tcx), containing_item.const_stable_since(tcx)), RenderMode::ForDeref { .. } => (None, None), }; + let src_href = cx.src_href(item); + let has_src_ref = src_href.is_some(); let mut rightside = Buffer::new(); - let has_stability = render_stability_since_raw( + let has_stability = render_stability_since_raw_with_extra( &mut rightside, item.stable_since(tcx), const_stability, containing_item.stable_since(tcx), const_stable_since, + if has_src_ref { "" } else { " rightside" }, ); - let mut srclink = Buffer::empty_from(w); - write_srclink(cx, item, &mut srclink); - if has_stability && !srclink.is_empty() { - rightside.write_str(" · "); + if let Some(l) = src_href { + if has_stability { + write!(rightside, " · <a class=\"srclink\" href=\"{}\">source</a>", l) + } else { + write!(rightside, "<a class=\"srclink rightside\" href=\"{}\">source</a>", l) + } } - rightside.push_buffer(srclink); - if !rightside.is_empty() { + if has_stability && has_src_ref { write!(w, "<span class=\"rightside\">{}</span>", rightside.into_inner()); + } else { + w.push_buffer(rightside); } } @@ -1700,8 +1737,8 @@ pub(crate) fn render_impl_summary( // in documentation pages for trait with automatic implementations like "Send" and "Sync". aliases: &[String], ) { - let id = - cx.derive_id(get_id_for_impl(&i.inner_impl().for_, i.inner_impl().trait_.as_ref(), cx)); + let inner_impl = i.inner_impl(); + let id = cx.derive_id(get_id_for_impl(&inner_impl.for_, inner_impl.trait_.as_ref(), cx)); let aliases = if aliases.is_empty() { String::new() } else { @@ -1713,9 +1750,9 @@ pub(crate) fn render_impl_summary( write!(w, "<h3 class=\"code-header in-band\">"); if let Some(use_absolute) = use_absolute { - write!(w, "{}", i.inner_impl().print(use_absolute, cx)); + write!(w, "{}", inner_impl.print(use_absolute, cx)); if show_def_docs { - for it in &i.inner_impl().items { + for it in &inner_impl.items { if let clean::AssocTypeItem(ref tydef, ref _bounds) = *it.kind { w.write_str("<span class=\"where fmt-newline\"> "); assoc_type( @@ -1733,11 +1770,11 @@ pub(crate) fn render_impl_summary( } } } else { - write!(w, "{}", i.inner_impl().print(false, cx)); + write!(w, "{}", inner_impl.print(false, cx)); } write!(w, "</h3>"); - let is_trait = i.inner_impl().trait_.is_some(); + let is_trait = inner_impl.trait_.is_some(); if is_trait { if let Some(portability) = portability(&i.impl_item, Some(parent)) { write!(w, "<span class=\"item-info\">{}</span>", portability); @@ -1931,6 +1968,70 @@ fn small_url_encode(s: String) -> String { } } +pub(crate) fn sidebar_render_assoc_items( + cx: &Context<'_>, + out: &mut Buffer, + id_map: &mut IdMap, + concrete: Vec<&Impl>, + synthetic: Vec<&Impl>, + blanket_impl: Vec<&Impl>, +) { + let format_impls = |impls: Vec<&Impl>, id_map: &mut IdMap| { + let mut links = FxHashSet::default(); + + let mut ret = impls + .iter() + .filter_map(|it| { + let trait_ = it.inner_impl().trait_.as_ref()?; + let encoded = + id_map.derive(get_id_for_impl(&it.inner_impl().for_, Some(trait_), cx)); + + let i_display = format!("{:#}", trait_.print(cx)); + let out = Escape(&i_display); + let prefix = match it.inner_impl().polarity { + ty::ImplPolarity::Positive | ty::ImplPolarity::Reservation => "", + ty::ImplPolarity::Negative => "!", + }; + let generated = format!("<a href=\"#{}\">{}{}</a>", encoded, prefix, out); + if links.insert(generated.clone()) { Some(generated) } else { None } + }) + .collect::<Vec<String>>(); + ret.sort(); + ret + }; + + let concrete_format = format_impls(concrete, id_map); + let synthetic_format = format_impls(synthetic, id_map); + let blanket_format = format_impls(blanket_impl, id_map); + + if !concrete_format.is_empty() { + print_sidebar_block( + out, + "trait-implementations", + "Trait Implementations", + concrete_format.iter(), + ); + } + + if !synthetic_format.is_empty() { + print_sidebar_block( + out, + "synthetic-implementations", + "Auto Trait Implementations", + synthetic_format.iter(), + ); + } + + if !blanket_format.is_empty() { + print_sidebar_block( + out, + "blanket-implementations", + "Blanket Implementations", + blanket_format.iter(), + ); + } +} + fn sidebar_assoc_items(cx: &Context<'_>, out: &mut Buffer, it: &clean::Item) { let did = it.item_id.expect_def_id(); let cache = cx.cache(); @@ -1976,68 +2077,15 @@ fn sidebar_assoc_items(cx: &Context<'_>, out: &mut Buffer, it: &clean::Item) { { let mut derefs = FxHashSet::default(); derefs.insert(did); - sidebar_deref_methods(cx, out, impl_, v, &mut derefs); + sidebar_deref_methods(cx, out, impl_, v, &mut derefs, &mut used_links); } - let format_impls = |impls: Vec<&Impl>, id_map: &mut IdMap| { - let mut links = FxHashSet::default(); - - let mut ret = impls - .iter() - .filter_map(|it| { - let trait_ = it.inner_impl().trait_.as_ref()?; - let encoded = - id_map.derive(get_id_for_impl(&it.inner_impl().for_, Some(trait_), cx)); - - let i_display = format!("{:#}", trait_.print(cx)); - let out = Escape(&i_display); - let prefix = match it.inner_impl().polarity { - ty::ImplPolarity::Positive | ty::ImplPolarity::Reservation => "", - ty::ImplPolarity::Negative => "!", - }; - let generated = format!("<a href=\"#{}\">{}{}</a>", encoded, prefix, out); - if links.insert(generated.clone()) { Some(generated) } else { None } - }) - .collect::<Vec<String>>(); - ret.sort(); - ret - }; - let (synthetic, concrete): (Vec<&Impl>, Vec<&Impl>) = v.iter().partition::<Vec<_>, _>(|i| i.inner_impl().kind.is_auto()); let (blanket_impl, concrete): (Vec<&Impl>, Vec<&Impl>) = concrete.into_iter().partition::<Vec<_>, _>(|i| i.inner_impl().kind.is_blanket()); - let concrete_format = format_impls(concrete, &mut id_map); - let synthetic_format = format_impls(synthetic, &mut id_map); - let blanket_format = format_impls(blanket_impl, &mut id_map); - - if !concrete_format.is_empty() { - print_sidebar_block( - out, - "trait-implementations", - "Trait Implementations", - concrete_format.iter(), - ); - } - - if !synthetic_format.is_empty() { - print_sidebar_block( - out, - "synthetic-implementations", - "Auto Trait Implementations", - synthetic_format.iter(), - ); - } - - if !blanket_format.is_empty() { - print_sidebar_block( - out, - "blanket-implementations", - "Blanket Implementations", - blanket_format.iter(), - ); - } + sidebar_render_assoc_items(cx, out, &mut id_map, concrete, synthetic, blanket_impl); } } } @@ -2048,6 +2096,7 @@ fn sidebar_deref_methods( impl_: &Impl, v: &[Impl], derefs: &mut FxHashSet<DefId>, + used_links: &mut FxHashSet<String>, ) { let c = cx.cache(); @@ -2080,13 +2129,10 @@ fn sidebar_deref_methods( .and_then(|did| c.impls.get(&did)); if let Some(impls) = inner_impl { debug!("found inner_impl: {:?}", impls); - let mut used_links = FxHashSet::default(); let mut ret = impls .iter() .filter(|i| i.inner_impl().trait_.is_none()) - .flat_map(|i| { - get_methods(i.inner_impl(), true, &mut used_links, deref_mut, cx.tcx()) - }) + .flat_map(|i| get_methods(i.inner_impl(), true, used_links, deref_mut, cx.tcx())) .collect::<Vec<_>>(); if !ret.is_empty() { let id = if let Some(target_def_id) = real_target.def_id(c) { @@ -2115,7 +2161,14 @@ fn sidebar_deref_methods( .map(|t| Some(t.def_id()) == cx.tcx().lang_items().deref_trait()) .unwrap_or(false) }) { - sidebar_deref_methods(cx, out, target_deref_impl, target_impls, derefs); + sidebar_deref_methods( + cx, + out, + target_deref_impl, + target_impls, + derefs, + used_links, + ); } } } @@ -2302,9 +2355,54 @@ fn sidebar_trait(cx: &Context<'_>, buf: &mut Buffer, it: &clean::Item, t: &clean buf.push_str("</section>") } +/// Returns the list of implementations for the primitive reference type, filtering out any +/// implementations that are on concrete or partially generic types, only keeping implementations +/// of the form `impl<T> Trait for &T`. +pub(crate) fn get_filtered_impls_for_reference<'a>( + shared: &'a Rc<SharedContext<'_>>, + it: &clean::Item, +) -> (Vec<&'a Impl>, Vec<&'a Impl>, Vec<&'a Impl>) { + let def_id = it.item_id.expect_def_id(); + // If the reference primitive is somehow not defined, exit early. + let Some(v) = shared.cache.impls.get(&def_id) else { return (Vec::new(), Vec::new(), Vec::new()) }; + // Since there is no "direct implementation" on the reference primitive type, we filter out + // every implementation which isn't a trait implementation. + let traits = v.iter().filter(|i| i.inner_impl().trait_.is_some()); + let (synthetic, concrete): (Vec<&Impl>, Vec<&Impl>) = + traits.partition(|t| t.inner_impl().kind.is_auto()); + + let (blanket_impl, concrete): (Vec<&Impl>, _) = + concrete.into_iter().partition(|t| t.inner_impl().kind.is_blanket()); + // Now we keep only references over full generic types. + let concrete: Vec<_> = concrete + .into_iter() + .filter(|t| match t.inner_impl().for_ { + clean::Type::BorrowedRef { ref type_, .. } => type_.is_full_generic(), + _ => false, + }) + .collect(); + + (concrete, synthetic, blanket_impl) +} + fn sidebar_primitive(cx: &Context<'_>, buf: &mut Buffer, it: &clean::Item) { let mut sidebar = Buffer::new(); - sidebar_assoc_items(cx, &mut sidebar, it); + + if it.name.map(|n| n.as_str() != "reference").unwrap_or(false) { + sidebar_assoc_items(cx, &mut sidebar, it); + } else { + let shared = Rc::clone(&cx.shared); + let (concrete, synthetic, blanket_impl) = get_filtered_impls_for_reference(&shared, it); + + sidebar_render_assoc_items( + cx, + &mut sidebar, + &mut IdMap::new(), + concrete, + synthetic, + blanket_impl, + ); + } if !sidebar.is_empty() { write!(buf, "<section>{}</section>", sidebar.into_inner()); @@ -2614,8 +2712,8 @@ fn collect_paths_for_type(first_ty: clean::Type, cache: &Cache) -> Vec<String> { clean::Type::BorrowedRef { type_, .. } => { work.push_back(*type_); } - clean::Type::QPath { self_type, trait_, .. } => { - work.push_back(*self_type); + clean::Type::QPath(box clean::QPathData { self_type, trait_, .. }) => { + work.push_back(self_type); process_path(trait_.def_id()); } _ => {} @@ -2668,7 +2766,7 @@ fn render_call_locations(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Ite let contents = match fs::read_to_string(&path) { Ok(contents) => contents, Err(err) => { - let span = item.span(tcx).inner(); + let span = item.span(tcx).map_or(rustc_span::DUMMY_SP, |span| span.inner()); tcx.sess .span_err(span, &format!("failed to read file {}: {}", path.display(), err)); return false; @@ -2764,11 +2862,10 @@ fn render_call_locations(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Ite sources::print_src( w, contents_subset, - call_data.edition, file_span, cx, &root_path, - Some(highlight::DecorationInfo(decoration_info)), + highlight::DecorationInfo(decoration_info), sources::SourceContext::Embedded { offset: line_min }, ); write!(w, "</div></div>"); diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 99cf42919..cfa450942 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -16,10 +16,10 @@ use std::fmt; use std::rc::Rc; use super::{ - collect_paths_for_type, document, ensure_trailing_slash, item_ty_to_section, - notable_traits_decl, render_assoc_item, render_assoc_items, render_attributes_in_code, - render_attributes_in_pre, render_impl, render_stability_since_raw, write_srclink, - AssocItemLink, Context, ImplRenderingParameters, + collect_paths_for_type, document, ensure_trailing_slash, get_filtered_impls_for_reference, + item_ty_to_section, notable_traits_decl, render_all_impls, render_assoc_item, + render_assoc_items, render_attributes_in_code, render_attributes_in_pre, render_impl, + render_rightside, render_stability_since_raw, AssocItemLink, Context, ImplRenderingParameters, }; use crate::clean; use crate::config::ModuleSorting; @@ -371,16 +371,21 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: } clean::ImportKind::Glob => String::new(), }; + let stab_tags = stab_tags.unwrap_or_default(); + let (stab_tags_before, stab_tags_after) = if stab_tags.is_empty() { + ("", "") + } else { + ("<div class=\"item-right docblock-short\">", "</div>") + }; write!( w, "<div class=\"item-left {stab}{add}import-item\"{id}>\ <code>{vis}{imp}</code>\ </div>\ - <div class=\"item-right docblock-short\">{stab_tags}</div>", + {stab_tags_before}{stab_tags}{stab_tags_after}", stab = stab.unwrap_or_default(), vis = myitem.visibility.print_with_space(myitem.item_id, cx), imp = import.print(cx), - stab_tags = stab_tags.unwrap_or_default(), ); w.write_str(ITEM_TABLE_ROW_CLOSE); } @@ -412,6 +417,12 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: let doc_value = myitem.doc_value().unwrap_or_default(); w.write_str(ITEM_TABLE_ROW_OPEN); + let docs = MarkdownSummaryLine(&doc_value, &myitem.links(cx)).into_string(); + let (docs_before, docs_after) = if docs.is_empty() { + ("", "") + } else { + ("<div class=\"item-right docblock-short\">", "</div>") + }; write!( w, "<div class=\"item-left {stab}{add}module-item\">\ @@ -420,11 +431,10 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: {unsafety_flag}\ {stab_tags}\ </div>\ - <div class=\"item-right docblock-short\">{docs}</div>", + {docs_before}{docs}{docs_after}", name = myitem.name.unwrap(), visibility_emoji = visibility_emoji, stab_tags = extra_info_tags(myitem, item, cx.tcx()), - docs = MarkdownSummaryLine(&doc_value, &myitem.links(cx)).into_string(), class = myitem.type_(), add = add, stab = stab.unwrap_or_default(), @@ -477,7 +487,7 @@ fn extra_info_tags(item: &clean::Item, parent: &clean::Item, tcx: TyCtxt<'_>) -> (cfg, _) => cfg.as_deref().cloned(), }; - debug!("Portability {:?} - {:?} = {:?}", item.cfg, parent.cfg, cfg); + debug!("Portability name={:?} {:?} - {:?} = {:?}", item.name, item.cfg, parent.cfg, cfg); if let Some(ref cfg) = cfg { tags += &tag_html("portability", &cfg.render_long_plain(), &cfg.render_short_html()); } @@ -520,7 +530,7 @@ fn item_function(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, f: &cle name = name, generics = f.generics.print(cx), where_clause = print_where_clause(&f.generics, cx, 0, Ending::Newline), - decl = f.decl.full_print(header_len, 0, header.asyncness, cx), + decl = f.decl.full_print(header_len, 0, cx), notable_traits = notable_traits_decl(&f.decl, cx), ); }); @@ -709,14 +719,7 @@ fn item_trait(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clean: write!(w, "<details class=\"rustdoc-toggle\" open><summary>"); } write!(w, "<div id=\"{}\" class=\"method has-srclink\">", id); - write!(w, "<div class=\"rightside\">"); - - let has_stability = render_stability_since(w, m, t, cx.tcx()); - if has_stability { - w.write_str(" · "); - } - write_srclink(cx, m, w); - write!(w, "</div>"); + render_rightside(w, cx, m, t, RenderMode::Normal); write!(w, "<h4 class=\"code-header\">"); render_assoc_item( w, @@ -994,7 +997,7 @@ fn item_trait(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clean: // So C's HTML will have something like this: // // ```html - // <script type="text/javascript" src="/implementors/A/trait.Foo.js" + // <script src="/implementors/A/trait.Foo.js" // data-ignore-extern-crates="A,B" async></script> // ``` // @@ -1020,9 +1023,11 @@ fn item_trait(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clean: .map(|cnum| cx.shared.tcx.crate_name(cnum).to_string()) .collect::<Vec<_>>() .join(","); + let (extern_before, extern_after) = + if extern_crates.is_empty() { ("", "") } else { (" data-ignore-extern-crates=\"", "\"") }; write!( w, - "<script type=\"text/javascript\" src=\"{src}\" data-ignore-extern-crates=\"{extern_crates}\" async></script>", + "<script src=\"{src}\"{extern_before}{extern_crates}{extern_after} async></script>", src = js_src_path.finish(), ); } @@ -1198,7 +1203,8 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: let name = v.name.unwrap(); match *v.kind { clean::VariantItem(ref var) => match var { - clean::Variant::CLike => write!(w, "{}", name), + // FIXME(#101337): Show discriminant + clean::Variant::CLike(..) => write!(w, "{}", name), clean::Variant::Tuple(ref s) => { write!(w, "{}(", name); print_tuple_struct_fields(w, cx, s); @@ -1260,7 +1266,13 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: w.write_str(")"); } w.write_str("</code>"); - render_stability_since(w, variant, it, cx.tcx()); + render_stability_since_raw( + w, + variant.stable_since(cx.tcx()), + variant.const_stability(cx.tcx()), + it.stable_since(cx.tcx()), + it.const_stable_since(cx.tcx()), + ); w.write_str("</h3>"); use crate::clean::Variant; @@ -1322,17 +1334,7 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: fn item_macro(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clean::Macro) { wrap_into_docblock(w, |w| { - highlight::render_with_highlighting( - &t.source, - w, - Some("macro"), - None, - None, - it.span(cx.tcx()).inner().edition(), - None, - None, - None, - ); + highlight::render_macro_with_highlighting(&t.source, w); }); document(w, cx, it, None, HeadingOffset::H2) } @@ -1370,8 +1372,18 @@ fn item_proc_macro(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, m: &c } fn item_primitive(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item) { + let def_id = it.item_id.expect_def_id(); document(w, cx, it, None, HeadingOffset::H2); - render_assoc_items(w, cx, it, it.item_id.expect_def_id(), AssocItemRender::All) + if it.name.map(|n| n.as_str() != "reference").unwrap_or(false) { + render_assoc_items(w, cx, it, def_id, AssocItemRender::All); + } else { + // We handle the "reference" primitive type on its own because we only want to list + // implementations on generic types. + let shared = Rc::clone(&cx.shared); + let (concrete, synthetic, blanket_impl) = get_filtered_impls_for_reference(&shared, it); + + render_all_impls(w, cx, it, &concrete, &synthetic, &blanket_impl); + } } fn item_constant(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, c: &clean::Constant) { @@ -1601,21 +1613,6 @@ where w.write_str("</code></pre>"); } -fn render_stability_since( - w: &mut Buffer, - item: &clean::Item, - containing_item: &clean::Item, - tcx: TyCtxt<'_>, -) -> bool { - render_stability_since_raw( - w, - item.stable_since(tcx), - item.const_stability(tcx), - containing_item.stable_since(tcx), - containing_item.const_stable_since(tcx), - ) -} - fn compare_impl<'a, 'b>(lhs: &'a &&Impl, rhs: &'b &&Impl, cx: &Context<'_>) -> Ordering { let lhss = format!("{}", lhs.inner_impl().print(false, cx)); let rhss = format!("{}", rhs.inner_impl().print(false, cx)); diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index d672f0bb5..8eb9c07f8 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -544,10 +544,15 @@ fn get_fn_inputs_and_outputs<'tcx>( (true, _) => (Some(impl_self), &func.generics), (_, true) => (Some(impl_self), impl_generics), (false, false) => { - let mut params = func.generics.params.clone(); - params.extend(impl_generics.params.clone()); - let mut where_predicates = func.generics.where_predicates.clone(); - where_predicates.extend(impl_generics.where_predicates.clone()); + let params = + func.generics.params.iter().chain(&impl_generics.params).cloned().collect(); + let where_predicates = func + .generics + .where_predicates + .iter() + .chain(&impl_generics.where_predicates) + .cloned() + .collect(); combined_generics = clean::Generics { params, where_predicates }; (Some(impl_self), &combined_generics) } diff --git a/src/librustdoc/html/render/span_map.rs b/src/librustdoc/html/render/span_map.rs index 34d590fb2..151ec2b28 100644 --- a/src/librustdoc/html/render/span_map.rs +++ b/src/librustdoc/html/render/span_map.rs @@ -166,25 +166,23 @@ impl<'tcx> Visitor<'tcx> for SpanMapVisitor<'tcx> { fn visit_expr(&mut self, expr: &'tcx rustc_hir::Expr<'tcx>) { if let ExprKind::MethodCall(segment, ..) = expr.kind { - if let Some(hir_id) = segment.hir_id { - let hir = self.tcx.hir(); - let body_id = hir.enclosing_body_owner(hir_id); - // FIXME: this is showing error messages for parts of the code that are not - // compiled (because of cfg)! - // - // See discussion in https://github.com/rust-lang/rust/issues/69426#issuecomment-1019412352 - let typeck_results = self.tcx.typeck_body( - hir.maybe_body_owned_by(body_id).expect("a body which isn't a body"), + let hir = self.tcx.hir(); + let body_id = hir.enclosing_body_owner(segment.hir_id); + // FIXME: this is showing error messages for parts of the code that are not + // compiled (because of cfg)! + // + // See discussion in https://github.com/rust-lang/rust/issues/69426#issuecomment-1019412352 + let typeck_results = self + .tcx + .typeck_body(hir.maybe_body_owned_by(body_id).expect("a body which isn't a body")); + if let Some(def_id) = typeck_results.type_dependent_def_id(expr.hir_id) { + self.matches.insert( + segment.ident.span, + match hir.span_if_local(def_id) { + Some(span) => LinkFromSrc::Local(clean::Span::new(span)), + None => LinkFromSrc::External(def_id), + }, ); - if let Some(def_id) = typeck_results.type_dependent_def_id(expr.hir_id) { - self.matches.insert( - segment.ident.span, - match hir.span_if_local(def_id) { - Some(span) => LinkFromSrc::Local(clean::Span::new(span)), - None => LinkFromSrc::External(def_id), - }, - ); - } } } else if self.handle_macro(expr.span) { // We don't want to go deeper into the macro. diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index 6fb41ff32..fc4d46fe6 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -1,5 +1,4 @@ use std::ffi::OsStr; -use std::fmt::Write; use std::fs::{self, File}; use std::io::prelude::*; use std::io::{self, BufReader}; @@ -10,7 +9,8 @@ use std::sync::LazyLock as Lazy; use itertools::Itertools; use rustc_data_structures::flock; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use serde::Serialize; +use serde::ser::SerializeSeq; +use serde::{Serialize, Serializer}; use super::{collect_paths_for_type, ensure_trailing_slash, Context, BASIC_KEYWORDS}; use crate::clean::Crate; @@ -284,25 +284,43 @@ pub(super) fn write_shared( cx.write_shared(SharedResource::Unversioned { name }, contents, &options.emit)?; } - fn collect(path: &Path, krate: &str, key: &str) -> io::Result<(Vec<String>, Vec<String>)> { + /// Read a file and return all lines that match the `"{crate}":{data},` format, + /// and return a tuple `(Vec<DataString>, Vec<CrateNameString>)`. + /// + /// This forms the payload of files that look like this: + /// + /// ```javascript + /// var data = { + /// "{crate1}":{data}, + /// "{crate2}":{data} + /// }; + /// use_data(data); + /// ``` + /// + /// The file needs to be formatted so that *only crate data lines start with `"`*. + fn collect(path: &Path, krate: &str) -> io::Result<(Vec<String>, Vec<String>)> { let mut ret = Vec::new(); let mut krates = Vec::new(); if path.exists() { - let prefix = format!(r#"{}["{}"]"#, key, krate); + let prefix = format!("\"{}\"", krate); for line in BufReader::new(File::open(path)?).lines() { let line = line?; - if !line.starts_with(key) { + if !line.starts_with('"') { continue; } if line.starts_with(&prefix) { continue; } - ret.push(line.to_string()); + if line.ends_with(',') { + ret.push(line[..line.len() - 1].to_string()); + } else { + // No comma (it's the case for the last added crate line) + ret.push(line.to_string()); + } krates.push( - line[key.len() + 2..] - .split('"') - .next() + line.split('"') + .find(|s| !s.is_empty()) .map(|s| s.to_owned()) .unwrap_or_else(String::new), ); @@ -311,6 +329,20 @@ pub(super) fn write_shared( Ok((ret, krates)) } + /// Read a file and return all lines that match the <code>"{crate}":{data},\</code> format, + /// and return a tuple `(Vec<DataString>, Vec<CrateNameString>)`. + /// + /// This forms the payload of files that look like this: + /// + /// ```javascript + /// var data = JSON.parse('{\ + /// "{crate1}":{data},\ + /// "{crate2}":{data}\ + /// }'); + /// use_data(data); + /// ``` + /// + /// The file needs to be formatted so that *only crate data lines start with `"`*. fn collect_json(path: &Path, krate: &str) -> io::Result<(Vec<String>, Vec<String>)> { let mut ret = Vec::new(); let mut krates = Vec::new(); @@ -526,13 +558,27 @@ if (typeof exports !== 'undefined') {exports.searchIndex = searchIndex}; }, }; - #[derive(Serialize)] struct Implementor { text: String, synthetic: bool, types: Vec<String>, } + impl Serialize for Implementor { + fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> + where + S: Serializer, + { + let mut seq = serializer.serialize_seq(None)?; + seq.serialize_element(&self.text)?; + if self.synthetic { + seq.serialize_element(&1)?; + seq.serialize_element(&self.types)?; + } + seq.end() + } + } + let implementors = imps .iter() .filter_map(|imp| { @@ -563,9 +609,9 @@ if (typeof exports !== 'undefined') {exports.searchIndex = searchIndex}; } let implementors = format!( - r#"implementors["{}"] = {};"#, + r#""{}":{}"#, krate.name(cx.tcx()), - serde_json::to_string(&implementors).unwrap() + serde_json::to_string(&implementors).expect("failed serde conversion"), ); let mut mydst = dst.clone(); @@ -576,16 +622,15 @@ if (typeof exports !== 'undefined') {exports.searchIndex = searchIndex}; mydst.push(&format!("{}.{}.js", remote_item_type, remote_path[remote_path.len() - 1])); let (mut all_implementors, _) = - try_err!(collect(&mydst, krate.name(cx.tcx()).as_str(), "implementors"), &mydst); + try_err!(collect(&mydst, krate.name(cx.tcx()).as_str()), &mydst); all_implementors.push(implementors); // Sort the implementors by crate so the file will be generated // identically even with rustdoc running in parallel. all_implementors.sort(); - let mut v = String::from("(function() {var implementors = {};\n"); - for implementor in &all_implementors { - writeln!(v, "{}", *implementor).unwrap(); - } + let mut v = String::from("(function() {var implementors = {\n"); + v.push_str(&all_implementors.join(",\n")); + v.push_str("\n};"); v.push_str( "if (window.register_implementors) {\ window.register_implementors(implementors);\ diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs index d0fd637ba..2e2bee78b 100644 --- a/src/librustdoc/html/sources.rs +++ b/src/librustdoc/html/sources.rs @@ -11,7 +11,6 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::ty::TyCtxt; use rustc_session::Session; -use rustc_span::edition::Edition; use rustc_span::source_map::FileName; use std::ffi::OsStr; @@ -54,6 +53,7 @@ impl LocalSourcesCollector<'_, '_> { fn add_local_source(&mut self, item: &clean::Item) { let sess = self.tcx.sess; let span = item.span(self.tcx); + let Some(span) = span else { return }; // skip all synthetic "files" if !is_real_and_local(span, sess) { return; @@ -110,6 +110,7 @@ impl DocVisitor for SourceCollector<'_, '_> { let tcx = self.cx.tcx(); let span = item.span(tcx); + let Some(span) = span else { return }; let sess = tcx.sess; // If we're not rendering sources, there's nothing to do. @@ -213,11 +214,10 @@ impl SourceCollector<'_, '_> { print_src( buf, contents, - cx.shared.edition(), file_span, cx, &root_path, - None, + highlight::DecorationInfo::default(), SourceContext::Standalone, ) }, @@ -266,11 +266,10 @@ pub(crate) enum SourceContext { pub(crate) fn print_src( buf: &mut Buffer, s: &str, - edition: Edition, file_span: rustc_span::Span, context: &Context<'_>, root_path: &str, - decoration_info: Option<highlight::DecorationInfo>, + decoration_info: highlight::DecorationInfo, source_context: SourceContext, ) { let lines = s.lines().count(); @@ -289,15 +288,14 @@ pub(crate) fn print_src( } } line_numbers.write_str("</pre>"); - highlight::render_with_highlighting( + let current_href = &context + .href_from_span(clean::Span::new(file_span), false) + .expect("only local crates should have sources emitted"); + highlight::render_source_with_highlighting( s, buf, - None, - None, - None, - edition, - Some(line_numbers), - Some(highlight::HrefContext { context, file_span, root_path }), + line_numbers, + highlight::HrefContext { context, file_span, root_path, current_href }, decoration_info, ); } diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 83fe14550..bb35970eb 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -197,26 +197,18 @@ h4.code-header { position: relative; } -div.impl-items > div { - padding-left: 0; -} - h1, h2, h3, h4, h5, h6, .sidebar, .mobile-topbar, a.source, .search-input, .search-results .result-name, -.content table td:first-child > a, .item-left > a, .out-of-band, span.since, -#source-sidebar, #sidebar-toggle, details.rustdoc-toggle > summary::before, -div.impl-items > div:not(.docblock):not(.item-info), .content ul.crate a.crate, a.srclink, -#main-content > .since, #help-button > button, details.rustdoc-toggle.top-doc > summary, details.rustdoc-toggle.top-doc > summary::before, @@ -230,7 +222,6 @@ details.rustdoc-toggle.non-exhaustive > summary::before, font-family: "Fira Sans", Arial, NanumBarunGothic, sans-serif; } -h1, h2, h3, h4, a#toggle-all-docs, a.anchor, .small-section-header a, @@ -250,6 +241,51 @@ pre.rust a, color: var(--main-color); } +.content span.enum, .content a.enum, +.content span.struct, .content a.struct, +.content span.union, .content a.union, +.content span.primitive, .content a.primitive, +.content span.type, .content a.type, +.content span.foreigntype, .content a.foreigntype { + color: var(--type-link-color); +} + +.content span.trait, .content a.trait, +.content span.traitalias, .content a.traitalias { + color: var(--trait-link-color); +} + +.content span.associatedtype, .content a.associatedtype, +.content span.constant, .content a.constant, +.content span.static, .content a.static { + color: var(--assoc-item-link-color); +} + +.content span.fn, .content a.fn, +.content .fnname, +.content span.method, .content a.method, +.content span.tymethod, .content a.tymethod { + color: var(--function-link-color); +} + +.content span.attr, .content a.attr, +.content span.derive, .content a.derive, +.content span.macro, .content a.macro { + color: var(--macro-link-color); +} + +.content span.mod, .content a.mod, .block a.current.mod { + color: var(--mod-link-color); +} + +.content span.keyword, .content a.keyword { + color: var(--keyword-link-color); +} + +a { + color: var(--link-color); +} + ol, ul { padding-left: 24px; } @@ -354,19 +390,8 @@ img { max-width: 100%; } -li { - position: relative; -} - .source .content { - max-width: none; overflow: visible; - margin-left: 0px; -} - -nav.sub { - position: relative; - font-size: 1rem; } .sub-container { @@ -515,9 +540,6 @@ nav.sub { font-weight: 500; } -.block { - padding: 0; -} .block ul, .block li { padding: 0; margin: 0; @@ -608,19 +630,10 @@ h2.location a { margin: 0; } -#search { - position: relative; -} - .search-loading { text-align: center; } -#results > table { - width: 100%; - table-layout: fixed; -} - .content > .example-wrap pre.line-numbers { position: relative; -webkit-user-select: none; @@ -635,19 +648,12 @@ h2.location a { .docblock-short { overflow-wrap: break-word; overflow-wrap: anywhere; -} -.docblock-short p { - display: inline; -} - -.docblock-short p { overflow: hidden; text-overflow: ellipsis; - margin: 0; } /* Wrap non-pre code blocks (`text`) but not (```text```). */ .docblock > :not(pre) > code, -.docblock-short > :not(pre) > code { +.docblock-short > code { white-space: pre-wrap; } @@ -672,7 +678,7 @@ h2.location a { position: relative; } -.docblock > :not(.information):not(.more-examples-toggle) { +.docblock > :not(.more-examples-toggle):not(.example-wrap) { max-width: 100%; overflow-x: auto; } @@ -693,8 +699,13 @@ h2.location a { flex-grow: 1; margin: 0px; padding: 0px; + /* We use overflow-wrap: break-word for Safari, which doesn't recognize + `anywhere`: https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-wrap */ overflow-wrap: break-word; + /* Then override it with `anywhere`, which is required to make non-Safari browsers break + more aggressively when we want them to. */ overflow-wrap: anywhere; + background-color: var(--main-background-color); } .in-band > code, .in-band > .code-header { @@ -709,18 +720,6 @@ pre, .rustdoc.source .example-wrap { #main-content { position: relative; } -#main-content > .since { - top: inherit; -} - -.content table:not(.table-display) { - border-spacing: 0 5px; -} -.content td { vertical-align: top; } -.content td:first-child { padding-right: 20px; } -.content td p:first-child { margin-top: 0; } -.content td h1, .content td h2 { margin-left: 0; font-size: 1.125rem; } -.content tr:first-child td { border-top: 0; } .docblock table { margin: .5em 0; @@ -731,17 +730,14 @@ pre, .rustdoc.source .example-wrap { .docblock table td { padding: .5em; - border: 1px dashed; + border: 1px dashed var(--border-color); + vertical-align: top; } .docblock table th { padding: .5em; text-align: left; - border: 1px solid; -} - -.fields + table { - margin-bottom: 1em; + border: 1px solid var(--border-color); } .content .item-list { @@ -749,16 +745,6 @@ pre, .rustdoc.source .example-wrap { padding: 0; } -.content .multi-column { - -moz-column-count: 5; - -moz-column-gap: 2.5em; - -webkit-column-count: 5; - -webkit-column-gap: 2.5em; - column-count: 5; - column-gap: 2.5em; -} -.content .multi-column li { width: 100%; display: inline-block; } - .content > .methods > .method { font-size: 1rem; position: relative; @@ -771,25 +757,6 @@ pre, .rustdoc.source .example-wrap { font-size: 0.875rem; } -.content .methods > div:not(.notable-traits):not(.method) { - margin-left: 40px; - margin-bottom: 15px; -} - -.content .docblock > .impl-items { - margin-left: 20px; - margin-top: -34px; -} -.content .docblock >.impl-items .table-display { - margin: 0; -} -.content .docblock >.impl-items table td { - padding: 0; -} -.content .docblock > .impl-items .table-display, .impl-items table td { - border: none; -} - .item-info { display: block; } @@ -803,58 +770,29 @@ pre, .rustdoc.source .example-wrap { margin-left: 24px; } -.sub-variant > div > .item-info { - margin-top: initial; -} - .content .impl-items .docblock, .content .impl-items .item-info { margin-bottom: .6em; } -.content .impl-items > .item-info { - margin-left: 40px; -} - -.methods > .item-info, .content .impl-items > .item-info { - margin-top: -8px; -} - -.impl-items { - flex-basis: 100%; -} - #main-content > .item-info { margin-top: 0; margin-left: 0; } nav.sub { + position: relative; + font-size: 1rem; flex-grow: 1; margin-bottom: 25px; } .source nav.sub { margin-left: 32px; } -nav.main { - padding: 20px 0; - text-align: center; -} -nav.main .current { - border-top: 1px solid; - border-bottom: 1px solid; -} -nav.main .separator { - border: 1px solid; - display: inline-block; - height: 23px; - margin: 0 20px; -} nav.sum { text-align: right; } nav.sub form { display: inline; } a { text-decoration: none; - background: transparent; } .small-section-header { @@ -942,40 +880,77 @@ table, position: relative; display: flex; height: 34px; + margin-top: 4px; } .search-container > * { height: 100%; } .search-results-title { - display: inline; + margin-top: 0; + white-space: nowrap; + /* flex layout allows shrinking the <select> appropriately if it becomes too large */ + display: inline-flex; + max-width: 100%; + /* make things look like in a line, despite the fact that we're using a layout + with boxes (i.e. from the flex layout) */ + align-items: baseline; } -#search-settings { - font-size: 1.5rem; - font-weight: 500; - margin-bottom: 20px; +#crate-search-div { + display: inline-block; + /* ensures that 100% in properties of #crate-search-div:after + are relative to the size of this div */ + position: relative; + /* allows this div (and with it the <select>-element "#crate-search") to be shrunk */ + min-width: 5em; } #crate-search { min-width: 115px; - margin-top: 5px; - padding-left: 0.15em; + padding: 0; + /* keep these two in sync with "@-moz-document url-prefix()" below */ + padding-left: 4px; padding-right: 23px; - border: 1px solid; + /* prevents the <select> from overflowing the containing div in case it's shrunk */ + max-width: 100%; + /* contents can overflow because of max-width limit, then show ellipsis */ + text-overflow: ellipsis; + border: 1px solid var(--border-color); border-radius: 4px; outline: none; cursor: pointer; -moz-appearance: none; -webkit-appearance: none; /* Removes default arrow from firefox */ + text-indent: 0.01px; + background-color: var(--main-background-color); +} +/* cancel stylistic differences in padding in firefox +for "appearance: none"-style (or equivalent) <select>s */ +@-moz-document url-prefix() { + #crate-search { + padding-left: 0px; /* == 4px - 4px */ + padding-right: 19px; /* == 23px - 4px */ + } +} +/* pseudo-element for holding the dropdown-arrow image; needs to be a separate thing +so that we can apply CSS-filters to change the arrow color in themes */ +#crate-search-div::after { + /* lets clicks through! */ + pointer-events: none; + /* completely covers the underlying div */ + width: 100%; + height: 100%; + position: absolute; + top: 0; + left: 0; + content: ""; background-repeat: no-repeat; - background-color: transparent; background-size: 20px; - background-position: calc(100% - 1px) 56%; + background-position: calc(100% - 2px) 56%; + /* image is black color, themes should apply a "filter" property to change the color */ background-image: /* AUTOREPLACE: */url("down-arrow.svg"); - max-width: 100%; - text-overflow: ellipsis; } -.search-container { - margin-top: 4px; +#crate-search > option { + font-size: 1rem; } .search-input { /* Override Normalize.css: it has a rule that sets @@ -988,11 +963,15 @@ table, -moz-box-sizing: border-box !important; box-sizing: border-box !important; outline: none; - border: 1px solid; + border: 1px solid var(--border-color); border-radius: 2px; padding: 8px; font-size: 1rem; width: 100%; + background-color: var(--button-background-color); +} +.search-input:focus { + border-color: var(--search-input-focused-border-color); } .search-results { @@ -1015,7 +994,6 @@ table, .search-results > a { display: block; - width: 100%; /* A little margin ensures the browser's outlining of focused links has room to display. */ margin-left: 2px; margin-right: 2px; @@ -1034,12 +1012,6 @@ table, padding-right: 1em; } -.search-results .result-name > span { - display: inline-block; - margin: 0; - font-weight: normal; -} - .popover { font-size: 1rem; position: absolute; @@ -1048,7 +1020,7 @@ table, display: block; margin-top: 7px; border-radius: 3px; - border: 1px solid; + border: 1px solid var(--border-color); font-size: 1rem; } @@ -1057,7 +1029,7 @@ table, content: ''; position: absolute; right: 11px; - border: solid; + border: solid var(--border-color); border-width: 1px 1px 0 0; display: inline-block; padding: 4px; @@ -1093,13 +1065,13 @@ table, text-align: center; display: block; margin: 10px 0; - border-bottom: 1px solid; + border-bottom: 1px solid var(--border-color); padding-bottom: 4px; margin-bottom: 6px; } #help-button span.bottom { clear: both; - border-top: 1px solid; + border-top: 1px solid var(--border-color); } .side-by-side { text-align: initial; @@ -1133,6 +1105,7 @@ table, .stab .emoji { font-size: 1.25rem; + margin-right: 0.3rem; } /* Black one-pixel outline around emoji shapes */ @@ -1170,36 +1143,125 @@ table, padding-left: 12px; padding-right: 2px; position: initial; + float: right; +} + +.rightside:not(a), +.out-of-band { + color: var(--right-side-color); } + .impl-items .srclink, .impl .srclink, .methods .srclink { /* Override header settings otherwise it's too bold */ font-weight: normal; font-size: 1rem; } -.rightside { - float: right; +td.summary-column { + width: 100%; } -.variants_table { - width: 100%; +.summary { + padding-right: 0px; } -.variants_table tbody tr td:first-child { - width: 1%; /* make the variant name as small as possible */ +pre.rust .question-mark { + font-weight: bold; } -td.summary-column { - width: 100%; +.example-wrap.compile_fail, +.example-wrap.should_panic { + border-left: 2px solid var(--codeblock-error-color); } -.summary { - padding-right: 0px; +.ignore.example-wrap { + border-left: 2px solid var(--codeblock-ignore-color); } -pre.rust .question-mark { +.example-wrap.compile_fail:hover, +.example-wrap.should_panic:hover { + border-left: 2px solid var(--codeblock-error-hover-color); +} + +.example-wrap.ignore:hover { + border-left: 2px solid var(--codeblock-ignore-hover-color); +} + +.example-wrap.compile_fail .tooltip, +.example-wrap.should_panic .tooltip { + color: var(--codeblock-error-color); +} + +.example-wrap.ignore .tooltip { + color: var(--codeblock-ignore-color); +} + +.example-wrap.compile_fail:hover .tooltip, +.example-wrap.should_panic:hover .tooltip { + color: var(--codeblock-error-hover-color); +} + +.example-wrap.ignore:hover .tooltip { + color: var(--codeblock-ignore-hover-color); +} + +.example-wrap .tooltip { + position: absolute; + display: block; + cursor: pointer; + left: -25px; + top: 5px; +} + +.example-wrap .tooltip::after { + display: none; + text-align: center; + padding: 5px 3px 3px 3px; + border-radius: 6px; + margin-left: 5px; + font-size: 1rem; + border: 1px solid var(--border-color); + position: absolute; + width: max-content; + top: -2px; + z-index: 1; +} + +.example-wrap .tooltip::before { + content: " "; + position: absolute; + top: 50%; + left: 16px; + margin-top: -5px; + border-width: 5px; + border-style: solid; + display: none; + z-index: 1; +} + +.example-wrap.ignore .tooltip::after { + content: "This example is not tested"; +} +.example-wrap.compile_fail .tooltip::after { + content: "This example deliberately fails to compile"; +} +.example-wrap.should_panic .tooltip::after { + content: "This example panics"; +} +.example-wrap.edition .tooltip::after { + content: "This code runs with edition " attr(data-edition); +} + +.example-wrap .tooltip:hover::before, .example-wrap .tooltip:hover::after { + display: inline; +} + +.example-wrap.compile_fail .tooltip, +.example-wrap.should_panic .tooltip, +.example-wrap.ignore .tooltip { font-weight: bold; + font-size: 1.25rem; } a.test-arrow { @@ -1216,12 +1278,13 @@ a.test-arrow { .example-wrap:hover .test-arrow { visibility: visible; } -a.test-arrow:hover{ +a.test-arrow:hover { text-decoration: none; } .code-attribute { font-weight: 300; + color: var(--code-attribute-color); } .item-spacer { @@ -1230,7 +1293,6 @@ a.test-arrow:hover{ } .out-of-band > span.since { - position: initial; font-size: 1.25rem; } @@ -1258,12 +1320,6 @@ h3.variant { margin-left: 24px; } -.toggle-label { - display: inline-block; - margin-left: 4px; - margin-top: 3px; -} - :target > code, :target > .code-header { opacity: 1; } @@ -1272,61 +1328,6 @@ h3.variant { padding-right: 3px; } -.information { - position: absolute; - left: -25px; - margin-top: 7px; - z-index: 1; -} - -.tooltip { - position: relative; - display: inline-block; - cursor: pointer; -} - -.tooltip::after { - display: none; - text-align: center; - padding: 5px 3px 3px 3px; - border-radius: 6px; - margin-left: 5px; - font-size: 1rem; -} - -.tooltip.ignore::after { - content: "This example is not tested"; -} -.tooltip.compile_fail::after { - content: "This example deliberately fails to compile"; -} -.tooltip.should_panic::after { - content: "This example panics"; -} -.tooltip.edition::after { - content: "This code runs with edition " attr(data-edition); -} - -.tooltip::before { - content: " "; - position: absolute; - top: 50%; - left: 16px; - margin-top: -5px; - border-width: 5px; - border-style: solid; - display: none; -} - -.tooltip:hover::before, .tooltip:hover::after { - display: inline; -} - -.tooltip.compile_fail, .tooltip.should_panic, .tooltip.ignore { - font-weight: bold; - font-size: 1.25rem; -} - .notable-traits-tooltip { display: inline-block; cursor: pointer; @@ -1368,7 +1369,7 @@ h3.variant { display: block; } -.notable-traits .docblock code.content{ +.notable-traits .docblock code.content { margin: 0; padding: 0; font-size: 1.25rem; @@ -1402,27 +1403,19 @@ pre.rust { } #titles { - height: 35px; + display: flex; + flex-direction: row; + gap: 1px; + margin-bottom: 4px; } #titles > button { - float: left; - width: 33.3%; text-align: center; font-size: 1.125rem; cursor: pointer; border: 0; border-top: 2px solid; -} - -#titles > button:first-child:last-child { - margin-right: 1px; - width: calc(100% - 1px); -} - -#titles > button:not(:last-child) { - margin-right: 1px; - width: calc(33.3% - 1px); + flex: 1; } #titles > button > div.count { @@ -1457,7 +1450,7 @@ pre.rust { #source-sidebar > .title { font-size: 1.5rem; text-align: center; - border-bottom: 1px solid; + border-bottom: 1px solid var(--border-color); margin-bottom: 6px; } #sidebar-toggle > button { @@ -1483,23 +1476,29 @@ pre.rust { outline: none; } -#copy-path { - height: 34px; -} #settings-menu > a, #help-button > button, #copy-path { padding: 5px; width: 33px; - border: 1px solid; + border: 1px solid var(--border-color); border-radius: 2px; cursor: pointer; } -#settings-menu { - padding: 0; -} + #settings-menu > a, #help-button > button { padding: 5px; height: 100%; display: block; + background-color: var(--button-background-color); +} + +#copy-path { + color: var(--copy-path-button-color); +} +#copy-path > img { + filter: var(--copy-path-img-filter); +} +#copy-path:hover > img { + filter: var(--copy-path-img-hover-filter); } @keyframes rotating { @@ -1542,85 +1541,25 @@ input:checked + .slider { } #copy-path { - background: initial; + height: 34px; + background-color: var(--main-background-color); margin-left: 10px; padding: 0; padding-left: 2px; border: 0; } -#theme-choices { - display: none; - position: absolute; - left: 0; - top: 28px; - border: 1px solid; - border-radius: 3px; - z-index: 1; - cursor: pointer; -} - -#theme-choices > button { - border: none; - width: 100%; - padding: 4px 8px; - text-align: center; - background: rgba(0,0,0,0); - overflow-wrap: normal; -} - -#theme-choices > button:not(:first-child) { - border-top: 1px solid; -} - kbd { display: inline-block; padding: 3px 5px; font: 15px monospace; line-height: 10px; vertical-align: middle; - border: solid 1px; + border: solid 1px var(--border-color); border-radius: 3px; cursor: default; } -.hidden-by-impl-hider, -.hidden-by-usual-hider { - /* important because of conflicting rule for small screens */ - display: none !important; -} - -#implementations-list > h3 > span.in-band { - width: 100%; -} - -.table-display { - width: 100%; - border: 0; - border-collapse: collapse; - border-spacing: 0; - font-size: 1rem; -} - -.table-display tr td:first-child { - padding-right: 0; -} - -.table-display tr td:last-child { - float: right; -} -.table-display .out-of-band { - position: relative; - font-size: 1.125rem; - display: block; -} - -.table-display td:hover .anchor { - display: block; - top: 2px; - left: -5px; -} - #main-content > ul { padding-left: 10px; } @@ -1681,6 +1620,12 @@ details.rustdoc-toggle > summary::before { opacity: .5; } +details.rustdoc-toggle > summary.hideme > span, +details.rustdoc-toggle > summary::before, +.more-examples-toggle summary, .more-examples-toggle .hide-more { + color: var(--toggles-color); +} + /* Screen readers see the text version at the end the line. Visual readers see the icon at the start of the line, but small and transparent. */ details.rustdoc-toggle > summary::after { @@ -1785,7 +1730,7 @@ in storage.js plus the media query with (max-width: 700px) to prevent an overlay between the "collapse toggle" and the information tooltip. However, it's not needed with smaller screen width because the doc/code block is always put "one line" below. */ - .docblock > .information:first-child > .tooltip { + .docblock > .example-wrap:first-child .tooltip { margin-top: 16px; } @@ -1826,7 +1771,6 @@ in storage.js plus the media query with (min-width: 701px) padding-top: 0px; } - .rustdoc, .main-heading { flex-direction: column; } @@ -1852,10 +1796,6 @@ in storage.js plus the media query with (min-width: 701px) display: none; } - .sidebar-elems { - margin-top: 1em; - } - .sidebar { position: fixed; top: 45px; @@ -1949,13 +1889,10 @@ in storage.js plus the media query with (min-width: 701px) } .sidebar-elems { + margin-top: 1em; background-color: var(--sidebar-background-color); } - .source nav:not(.sidebar).sub { - margin-left: 32px; - } - .content { margin-left: 0px; } @@ -1964,28 +1901,12 @@ in storage.js plus the media query with (min-width: 701px) margin-top: 10px; } - #search { - margin-left: 0; - padding: 0; - } - .anchor { display: none !important; } - .notable-traits { - position: absolute; - left: -22px; - top: 24px; - } - #titles > button > div.count { - float: left; - width: 100%; - } - - #titles { - height: 50px; + display: block; } /* Because of ios, we need to actually have a full height sidebar title so the @@ -2092,6 +2013,11 @@ in storage.js plus the media query with (min-width: 701px) #main-content > div > details.rustdoc-toggle > summary::before { left: -11px; } + + /* Align summary-nested and unnested item-info gizmos. */ + .content .impl-items > .item-info { + margin-left: 34px; + } } @media print { @@ -2111,15 +2037,6 @@ in storage.js plus the media query with (min-width: 701px) } @media (max-width: 464px) { - #titles, #titles > button { - height: 73px; - } - - #main-content > table:not(.table-display) td { - word-break: break-word; - width: 50%; - } - #crate-search { border-radius: 4px; } diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css index c42cac59b..e7a898e9f 100644 --- a/src/librustdoc/html/static/css/themes/ayu.css +++ b/src/librustdoc/html/static/css/themes/ayu.css @@ -14,6 +14,27 @@ Original by Dempfi (https://github.com/dempfi/ayu) --scrollbar-thumb-background-color: #5c6773; --scrollbar-color: #5c6773 #24292f; --headings-border-bottom-color: #5c6773; + --border-color: #5c6773; + --button-background-color: #141920; + --right-side-color: grey; + --code-attribute-color: #999; + --toggles-color: #999; + --search-input-focused-border-color: #5c6773; /* Same as `--border-color`. */ + --copy-path-button-color: #fff; + --copy-path-img-filter: invert(70%); + --copy-path-img-hover-filter: invert(100%); + --codeblock-error-hover-color: rgb(255, 0, 0); + --codeblock-error-color: rgba(255, 0, 0, .5); + --codeblock-ignore-hover-color: rgb(255, 142, 0); + --codeblock-ignore-color: rgba(255, 142, 0, .6); + --type-link-color: #ffa0a5; + --trait-link-color: #39afd7; + --assoc-item-link-color: #39afd7; + --function-link-color: #fdd687; + --macro-link-color: #a37acc; + --keyword-link-color: #39afd7; + --mod-link-color: #39afd7; + --link-color: #39afd7; } .slider { @@ -36,10 +57,6 @@ h4 { border: none; } -.in-band { - background-color: #0f1419; -} - .docblock code { color: #ffb454; } @@ -49,7 +66,7 @@ h4 { .docblock pre > code, pre > code { color: #e6e1cf; } -span code { +.item-info code { color: #e6e1cf; } .docblock a > code { @@ -84,17 +101,14 @@ pre, .rustdoc.source .example-wrap { border-right: 1px solid #ffb44c; } -.docblock table td, .docblock table th { - border-color: #5c6773; -} - .search-results a:hover { - background-color: #777; + color: #fff !important; + background-color: #3c3c3c; } .search-results a:focus { - color: #000 !important; - background-color: #c6afb3; + color: #fff !important; + background-color: #3c3c3c; } .search-results a { color: #0096cf; @@ -105,97 +119,37 @@ pre, .rustdoc.source .example-wrap { .content .item-info::before { color: #ccc; } -.content span.foreigntype, .content a.foreigntype { color: #ffa0a5; } -.content span.union, .content a.union { color: #ffa0a5; } -.content span.constant, .content a.constant, -.content span.static, .content a.static { color: #39AFD7; } -.content span.primitive, .content a.primitive { color: #ffa0a5; } -.content span.traitalias, .content a.traitalias { color: #39AFD7; } -.content span.keyword, .content a.keyword { color: #39AFD7; } - -.content span.externcrate, .content span.mod, .content a.mod { - color: #39AFD7; -} -.content span.struct, .content a.struct { - color: #ffa0a5; -} -.content span.enum, .content a.enum { - color: #ffa0a5; -} -.content span.trait, .content a.trait { - color: #39AFD7; -} -.content span.type, .content a.type { - color: #39AFD7; -} -.content span.type, -.content a.type, -.block a.current.type { color: #39AFD7; } -.content span.associatedtype, -.content a.associatedtype, -.block a.current.associatedtype { color: #39AFD7; } -.content span.fn, .content a.fn, .content span.method, -.content a.method, .content span.tymethod, -.content a.tymethod, .content .fnname { - color: #fdd687; -} -.content span.attr, .content a.attr, .content span.derive, -.content a.derive, .content span.macro, .content a.macro { - color: #a37acc; -} - .sidebar a { color: #53b1db; } .sidebar a.current.type { color: #53b1db; } -.sidebar a.current.associatedtype { color: #53b1db; } pre.rust .comment { color: #788797; } pre.rust .doccomment { color: #a1ac88; } -nav.main .current { - border-top-color: #5c6773; - border-bottom-color: #5c6773; -} -nav.main .separator { - border: 1px solid #5c6773; -} -a { - color: #39AFD7; -} - .sidebar h2 a, .sidebar h3 a { color: white; } -.search-results a { - color: #0096cf; -} body.source .example-wrap pre.rust a { background: #333; } -details.rustdoc-toggle > summary.hideme > span, -details.rustdoc-toggle > summary::before { - color: #999; -} - details.rustdoc-toggle > summary::before { filter: invert(100%); } -#crate-search, .search-input { - background-color: #141920; - border-color: #424c57; +#crate-search-div::after { + /* match border-color; uses https://codepen.io/sosuke/pen/Pjoqqp */ + filter: invert(41%) sepia(12%) saturate(487%) hue-rotate(171deg) brightness(94%) contrast(94%); } - -#crate-search { - /* Without the `!important`, the border-color is ignored for `<select>`... - It cannot be in the group above because `.search-input` has a different border color on - hover. */ - border-color: #424c57 !important; +#crate-search:hover, #crate-search:focus { + border-color: #e0e0e0 !important; +} +#crate-search-div:hover::after, #crate-search-div:focus-within::after { + filter: invert(98%) sepia(12%) saturate(81%) hue-rotate(343deg) brightness(113%) contrast(76%); } .search-input { - color: #ffffff; + color: #fff; } .module-item .stab, @@ -203,20 +157,9 @@ details.rustdoc-toggle > summary::before { color: #000; } -/* Created this empty rule to satisfy the theme checks. */ -.stab.empty-impl {} -.stab.must_implement {} - -.stab.unstable, -.stab.deprecated, -.stab.portability, -.stab.empty-impl, -.stab.must_implement { +.stab { color: #c5c5c5; background: #314559 !important; - border-style: none !important; - border-radius: 4px; - padding: 3px 6px 3px 6px; } .stab.portability > code { @@ -224,11 +167,6 @@ details.rustdoc-toggle > summary::before { background: none; } -.rightside, -.out-of-band { - color: grey; -} - .result-name .primitive > i, .result-name .keyword > i { color: #788797; } @@ -239,7 +177,7 @@ details.rustdoc-toggle > summary::before { pre.rust .number, pre.rust .string { color: #b8cc52; } pre.rust .kw, pre.rust .kw-2, pre.rust .prelude-ty, pre.rust .bool-val, pre.rust .prelude-val, -pre.rust .op, pre.rust .lifetime { color: #ff7733; } +pre.rust .lifetime { color: #ff7733; } pre.rust .macro, pre.rust .macro-nonterminal { color: #a37acc; } pre.rust .question-mark { color: #ff9011; @@ -251,9 +189,6 @@ pre.rust .self { pre.rust .attribute { color: #e6e1cf; } -pre.rust .attribute .ident, pre.rust .attribute .op { - color: #e6e1cf; -} .example-wrap > pre.line-number { color: #5c67736e; @@ -272,64 +207,11 @@ a.test-arrow:hover { color: #c5c5c5; } -.toggle-label, -.code-attribute { - color: #999; -} - :target { background: rgba(255, 236, 164, 0.06); border-right: 3px solid rgba(255, 180, 76, 0.85); } -pre.compile_fail { - border-left: 2px solid rgba(255,0,0,.4); -} - -pre.compile_fail:hover, .information:hover + pre.compile_fail { - border-left: 2px solid #f00; -} - -pre.should_panic { - border-left: 2px solid rgba(255,0,0,.4); -} - -pre.should_panic:hover, .information:hover + pre.should_panic { - border-left: 2px solid #f00; -} - -pre.ignore { - border-left: 2px solid rgba(255,142,0,.6); -} - -pre.ignore:hover, .information:hover + pre.ignore { - border-left: 2px solid #ff9200; -} - -.tooltip.compile_fail { - color: rgba(255,0,0,.5); -} - -.information > .compile_fail:hover { - color: #f00; -} - -.tooltip.should_panic { - color: rgba(255,0,0,.5); -} - -.information > .should_panic:hover { - color: #f00; -} - -.tooltip.ignore { - color: rgba(255,142,0,.6); -} - -.information > .ignore:hover { - color: #ff9200; -} - .search-failed a { color: #39AFD7; } @@ -337,7 +219,6 @@ pre.ignore:hover, .information:hover + pre.ignore { .tooltip::after { background-color: #314559; color: #c5c5c5; - border: 1px solid #5c6773; } .tooltip::before { @@ -346,11 +227,6 @@ pre.ignore:hover, .information:hover + pre.ignore { .notable-traits-tooltiptext { background-color: #314559; - border-color: #5c6773; -} - -.notable-traits-tooltiptext .notable { - border-bottom-color: #5c6773; } #titles > button.selected { @@ -378,38 +254,11 @@ individually rather than as a group) */ /* FIXME: these rules should be at the bottom of the file but currently must be above the `@media (max-width: 700px)` rules due to a bug in the css checker */ /* see https://github.com/rust-lang/rust/pull/71237#issuecomment-618170143 */ -.search-input:focus {} -.content span.attr,.content a.attr,.block a.current.attr,.content span.derive,.content a.derive, -.block a.current.derive,.content span.macro,.content a.macro,.block a.current.macro {} -.content span.struct,.content a.struct,.block a.current.struct {} -#titles>button:hover,#titles>button.selected {} -.content span.typedef,.content a.typedef,.block a.current.typedef {} -.content span.union,.content a.union,.block a.current.union {} pre.rust .lifetime {} -.stab.unstable {} -h2, -h3:not(.impl):not(.method):not(.type):not(.tymethod), h4:not(.method):not(.type):not(.tymethod) {} -.content span.enum,.content a.enum,.block a.current.enum {} -.content span.constant,.content a.constant,.block a.current.constant,.content span.static, -.content a.static, .block a.current.static {} -.content span.keyword,.content a.keyword,.block a.current.keyword {} -pre.rust .comment {} -.content span.traitalias,.content a.traitalias,.block a.current.traitalias {} -.content span.fn,.content a.fn,.block a.current.fn,.content span.method,.content a.method, -.block a.current.method,.content span.tymethod,.content a.tymethod,.block a.current.tymethod, -.content .fnname {} pre.rust .kw {} -pre.rust .self,pre.rust .bool-val,pre.rust .prelude-val,pre.rust .attribute, -pre.rust .attribute .ident {} -.content span.foreigntype,.content a.foreigntype,.block a.current.foreigntype {} -pre.rust .doccomment {} -.stab.deprecated {} -.content a.attr,.content a.derive,.content a.macro {} -.stab.portability {} -.content span.primitive,.content a.primitive,.block a.current.primitive {} -.content span.externcrate,.content span.mod,.content a.mod,.block a.current.mod {} -pre.rust .kw-2,pre.rust .prelude-ty {} -.content span.trait,.content a.trait,.block a.current.trait {} +#titles > button:hover, #titles > button.selected {} +pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, pre.rust .attribute {} +pre.rust .kw-2, pre.rust .prelude-ty {} .search-results a:focus span {} a.result-trait:focus {} @@ -445,32 +294,18 @@ a.result-keyword:focus {} .sidebar a.current.constant .sidebar a.current.static {} .sidebar a.current.primitive {} -.sidebar a.current.externcrate -.sidebar a.current.mod {} .sidebar a.current.trait {} .sidebar a.current.traitalias {} -.sidebar a.current.fn, -.sidebar a.current.method, -.sidebar a.current.tymethod {} +.sidebar a.current.fn {} .sidebar a.current.keyword {} -@media (max-width: 700px) { - .sidebar-elems { - border-right-color: #5c6773; - } -} - kbd { color: #c5c5c5; background-color: #314559; - border-color: #5c6773; - border-bottom-color: #5c6773; box-shadow: inset 0 -1px 0 #5c6773; } #settings-menu > a, #help-button > button { - border-color: #5c6773; - background-color: #0f1419; color: #fff; } @@ -478,39 +313,11 @@ kbd { filter: invert(100); } -.popover, .popover::before, -#help-button span.top, #help-button span.bottom { - border-color: #5c6773; -} - -#copy-path { - color: #fff; -} -#copy-path > img { - filter: invert(70%); -} -#copy-path:hover > img { - filter: invert(100%); -} - #settings-menu > a:hover, #settings-menu > a:focus, #help-button > button:hover, #help-button > button:focus { border-color: #e0e0e0; } -#theme-choices { - border-color: #5c6773; - background-color: #0f1419; -} - -#theme-choices > button:not(:first-child) { - border-top-color: #5c6773; -} - -#theme-choices > button:hover, #theme-choices > button:focus { - background-color: rgba(110, 110, 110, 0.33); -} - .search-results .result-name span.alias { color: #c5c5c5; } @@ -520,7 +327,6 @@ kbd { #source-sidebar > .title { color: #fff; - border-bottom-color: #5c6773; } #source-sidebar div.files > a:hover, details.dir-entry summary:hover, #source-sidebar div.files > a:focus, details.dir-entry summary:focus { @@ -540,9 +346,6 @@ kbd { border-color: white; color: white; } -.more-examples-toggle summary, .more-examples-toggle .hide-more { - color: #999; -} .scraped-example .example-wrap .rust span.highlight { background: rgb(91, 59, 1); } diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css index a550eb1c1..07a1ed8b7 100644 --- a/src/librustdoc/html/static/css/themes/dark.css +++ b/src/librustdoc/html/static/css/themes/dark.css @@ -9,6 +9,27 @@ --scrollbar-thumb-background-color: rgba(32, 34, 37, .6); --scrollbar-color: rgba(32,34,37,.6) #5a5a5a; --headings-border-bottom-color: #d2d2d2; + --border-color: #e0e0e0; + --button-background-color: #f0f0f0; + --right-side-color: grey; + --code-attribute-color: #999; + --toggles-color: #999; + --search-input-focused-border-color: #008dfd; + --copy-path-button-color: #999; + --copy-path-img-filter: invert(50%); + --copy-path-img-hover-filter: invert(65%); + --codeblock-error-hover-color: rgb(255, 0, 0); + --codeblock-error-color: rgba(255, 0, 0, .5); + --codeblock-ignore-hover-color: rgb(255, 142, 0); + --codeblock-ignore-color: rgba(255, 142, 0, .6); + --type-link-color: #2dbfb8; + --trait-link-color: #b78cf2; + --assoc-item-link-color: #d2991d; + --function-link-color: #2bab63; + --macro-link-color: #09bd00; + --keyword-link-color: #d2991d; + --mod-link-color: #d2991d; + --link-color: #d2991d; } .slider { @@ -21,10 +42,6 @@ input:focus + .slider { box-shadow: 0 0 0 2px #0a84ff, 0 0 0 6px rgba(10, 132, 255, 0.3); } -.in-band { - background-color: #353535; -} - .rust-logo { filter: drop-shadow(1px 0 0px #fff) drop-shadow(0 1px 0 #fff) @@ -42,10 +59,6 @@ input:focus + .slider { background-color: #0a042f !important; } -.docblock table td, .docblock table th { - border-color: #ddd; -} - .search-results a:hover { background-color: #777; } @@ -78,35 +91,10 @@ a.result-keyword:focus { background-color: #884719; } .content .item-info::before { color: #ccc; } -.content span.enum, .content a.enum, .block a.current.enum { color: #2dbfb8; } -.content span.struct, .content a.struct, .block a.current.struct { color: #2dbfb8; } -.content span.type, .content a.type, .block a.current.type { color: #2dbfb8; } -.content span.associatedtype, -.content a.associatedtype, -.block a.current.associatedtype { color: #D2991D; } -.content span.foreigntype, .content a.foreigntype, .block a.current.foreigntype { color: #2dbfb8; } -.content span.attr, .content a.attr, .block a.current.attr, -.content span.derive, .content a.derive, .block a.current.derive, -.content span.macro, .content a.macro, .block a.current.macro { color: #09bd00; } -.content span.union, .content a.union, .block a.current.union { color: #2dbfb8; } -.content span.constant, .content a.constant, .block a.current.constant, -.content span.static, .content a.static, .block a.current.static { color: #D2991D; } -.content span.primitive, .content a.primitive, .block a.current.primitive { color: #2dbfb8; } -.content span.externcrate, -.content span.mod, .content a.mod, .block a.current.mod { color: #D2991D; } -.content span.trait, .content a.trait, .block a.current.trait { color: #b78cf2; } -.content span.traitalias, .content a.traitalias, .block a.current.traitalias { color: #b78cf2; } -.content span.fn, .content a.fn, .block a.current.fn, -.content span.method, .content a.method, .block a.current.method, -.content span.tymethod, .content a.tymethod, .block a.current.tymethod, -.content .fnname{ color: #2BAB63; } -.content span.keyword, .content a.keyword, .block a.current.keyword { color: #D2991D; } - .sidebar a { color: #fdbf35; } .sidebar a.current.enum { color: #12ece2; } .sidebar a.current.struct { color: #12ece2; } .sidebar a.current.type { color: #12ece2; } -.sidebar a.current.associatedtype { color: #fdbf35; } .sidebar a.current.foreigntype { color: #12ece2; } .sidebar a.current.attr, .sidebar a.current.derive, @@ -115,74 +103,42 @@ a.result-keyword:focus { background-color: #884719; } .sidebar a.current.constant .sidebar a.current.static { color: #fdbf35; } .sidebar a.current.primitive { color: #12ece2; } -.sidebar a.current.externcrate -.sidebar a.current.mod { color: #fdbf35; } .sidebar a.current.trait { color: #cca7ff; } .sidebar a.current.traitalias { color: #cca7ff; } -.sidebar a.current.fn, -.sidebar a.current.method, -.sidebar a.current.tymethod { color: #32d479; } +.sidebar a.current.fn { color: #32d479; } .sidebar a.current.keyword { color: #fdbf35; } pre.rust .comment { color: #8d8d8b; } pre.rust .doccomment { color: #8ca375; } -nav.main .current { - border-top-color: #eee; - border-bottom-color: #eee; -} -nav.main .separator { - border-color: #eee; -} - -a { - color: #D2991D; -} - body.source .example-wrap pre.rust a { background: #333; } -details.rustdoc-toggle > summary.hideme > span, -details.rustdoc-toggle > summary::before { - color: #999; -} - details.rustdoc-toggle > summary::before { filter: invert(100%); } -#crate-search, .search-input { +.search-input { color: #111; - background-color: #f0f0f0; - border-color: #f0f0f0; } -#crate-search { - /* Without the `!important`, the border-color is ignored for `<select>`... - It cannot be in the group above because `.search-input` has a different border color on - hover. */ - border-color: #f0f0f0 !important; +#crate-search-div::after { + /* match border-color; uses https://codepen.io/sosuke/pen/Pjoqqp */ + filter: invert(94%) sepia(0%) saturate(721%) hue-rotate(255deg) brightness(90%) contrast(90%); } - -.search-input { - border-color: #e0e0e0; +#crate-search:hover, #crate-search:focus { + border-color: #2196f3 !important; } - -.search-input:focus { - border-color: #008dfd; +#crate-search-div:hover::after, #crate-search-div:focus-within::after { + filter: invert(69%) sepia(60%) saturate(6613%) hue-rotate(184deg) brightness(100%) contrast(91%); } -.stab.empty-impl { background: #FFF5D6; border-color: #FFC600; color: #2f2f2f; } -.stab.unstable { background: #FFF5D6; border-color: #FFC600; color: #2f2f2f; } -.stab.deprecated { background: #ffc4c4; border-color: #db7b7b; color: #2f2f2f; } -.stab.must_implement { background: #F3DFFF; border-color: #b07bdb; color: #2f2f2f; } -.stab.portability { background: #F3DFFF; border-color: #b07bdb; color: #2f2f2f; } -.stab.portability > code { background: none; } +.stab { background: #314559; } -.rightside, -.out-of-band { - color: grey; +.stab.portability > code { + color: #e6e1cf; + background: none; } .line-numbers :target { background-color: transparent; } @@ -192,7 +148,7 @@ pre.rust .kw { color: #ab8ac1; } pre.rust .kw-2, pre.rust .prelude-ty { color: #769acb; } pre.rust .number, pre.rust .string { color: #83a300; } pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, -pre.rust .attribute, pre.rust .attribute .ident { color: #ee6868; } +pre.rust .attribute { color: #ee6868; } pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; } pre.rust .lifetime { color: #d97f26; } pre.rust .question-mark { @@ -212,64 +168,11 @@ a.test-arrow:hover{ background-color: #4e8bca; } -.toggle-label, -.code-attribute { - color: #999; -} - :target { background-color: #494a3d; border-right: 3px solid #bb7410; } -pre.compile_fail { - border-left: 2px solid rgba(255,0,0,.8); -} - -pre.compile_fail:hover, .information:hover + pre.compile_fail { - border-left: 2px solid #f00; -} - -pre.should_panic { - border-left: 2px solid rgba(255,0,0,.8); -} - -pre.should_panic:hover, .information:hover + pre.should_panic { - border-left: 2px solid #f00; -} - -pre.ignore { - border-left: 2px solid rgba(255,142,0,.6); -} - -pre.ignore:hover, .information:hover + pre.ignore { - border-left: 2px solid #ff9200; -} - -.tooltip.compile_fail { - color: rgba(255,0,0,.8); -} - -.information > .compile_fail:hover { - color: #f00; -} - -.tooltip.should_panic { - color: rgba(255,0,0,.8); -} - -.information > .should_panic:hover { - color: #f00; -} - -.tooltip.ignore { - color: rgba(255,142,0,.6); -} - -.information > .ignore:hover { - color: #ff9200; -} - .search-failed a { color: #0089ff; } @@ -286,11 +189,6 @@ pre.ignore:hover, .information:hover + pre.ignore { .notable-traits-tooltiptext { background-color: #111; - border-color: #777; -} - -.notable-traits-tooltiptext .notable { - border-bottom-color: #d2d2d2; } #titles > button:not(.selected) { @@ -307,23 +205,13 @@ pre.ignore:hover, .information:hover + pre.ignore { color: #888; } -@media (max-width: 700px) { - .sidebar-elems { - border-right-color: #000; - } -} - kbd { color: #000; background-color: #fafbfc; - border-color: #d1d5da; - border-bottom-color: #c6cbd1; box-shadow: inset 0 -1px 0 #c6cbd1; } #settings-menu > a, #help-button > button { - border-color: #e0e0e0; - background: #f0f0f0; color: #000; } @@ -332,34 +220,6 @@ kbd { border-color: #ffb900; } -.popover, .popover::before, -#help-button span.top, #help-button span.bottom { - border-color: #d2d2d2; -} - -#copy-path { - color: #999; -} -#copy-path > img { - filter: invert(50%); -} -#copy-path:hover > img { - filter: invert(65%); -} - -#theme-choices { - border-color: #e0e0e0; - background-color: #353535; -} - -#theme-choices > button:not(:first-child) { - border-top-color: #e0e0e0; -} - -#theme-choices > button:hover, #theme-choices > button:focus { - background-color: #4e4e4e; -} - .search-results .result-name span.alias { color: #fff; } @@ -367,9 +227,6 @@ kbd { color: #ccc; } -#source-sidebar > .title { - border-bottom-color: #ccc; -} #source-sidebar div.files > a:hover, details.dir-entry summary:hover, #source-sidebar div.files > a:focus, details.dir-entry summary:focus { background-color: #444; @@ -386,9 +243,6 @@ kbd { border-color: white; color: white; } -.more-examples-toggle summary, .more-examples-toggle .hide-more { - color: #999; -} .scraped-example .example-wrap .rust span.highlight { background: rgb(91, 59, 1); } diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css index b751acff1..64335f629 100644 --- a/src/librustdoc/html/static/css/themes/light.css +++ b/src/librustdoc/html/static/css/themes/light.css @@ -9,6 +9,27 @@ --scrollbar-thumb-background-color: rgba(36, 37, 39, 0.6); --scrollbar-color: rgba(36, 37, 39, 0.6) #d9d9d9; --headings-border-bottom-color: #ddd; + --border-color: #e0e0e0; + --button-background-color: #fff; + --right-side-color: grey; + --code-attribute-color: #999; + --toggles-color: #999; + --search-input-focused-border-color: #66afe9; + --copy-path-button-color: #999; + --copy-path-img-filter: invert(50%); + --copy-path-img-hover-filter: invert(35%); + --codeblock-error-hover-color: rgb(255, 0, 0); + --codeblock-error-color: rgba(255, 0, 0, .5); + --codeblock-ignore-hover-color: rgb(255, 142, 0); + --codeblock-ignore-color: rgba(255, 142, 0, .6); + --type-link-color: #ad378a; + --trait-link-color: #6e4fc9; + --assoc-item-link-color: #3873ad; + --function-link-color: #ad7c37; + --macro-link-color: #068000; + --keyword-link-color: #3873ad; + --mod-link-color: #3873ad; + --link-color: #3873ad; } .slider { @@ -21,10 +42,6 @@ input:focus + .slider { box-shadow: 0 0 0 2px #0a84ff, 0 0 0 6px rgba(10, 132, 255, 0.3); } -.in-band { - background-color: white; -} - .rust-logo { /* This rule exists to force other themes to explicitly style the logo. * Rustdoc has a custom linter for this purpose. @@ -41,10 +58,6 @@ input:focus + .slider { background-color: #FDFFD3 !important; } -.docblock table td, .docblock table th { - border-color: #ddd; -} - .search-results a:hover { background-color: #ddd; } @@ -77,35 +90,10 @@ a.result-keyword:focus { background-color: #afc6e4; } .content .item-info::before { color: #ccc; } -.content span.enum, .content a.enum, .block a.current.enum { color: #AD378A; } -.content span.struct, .content a.struct, .block a.current.struct { color: #AD378A; } -.content span.type, .content a.type, .block a.current.type { color: #AD378A; } -.content span.foreigntype, .content a.foreigntype, .block a.current.foreigntype { color: #3873AD; } -.content span.associatedtype, -.content a.associatedtype, -.block a.current.associatedtype { color: #3873AD; } -.content span.attr, .content a.attr, .block a.current.attr, -.content span.derive, .content a.derive, .block a.current.derive, -.content span.macro, .content a.macro, .block a.current.macro { color: #068000; } -.content span.union, .content a.union, .block a.current.union { color: #AD378A; } -.content span.constant, .content a.constant, .block a.current.constant, -.content span.static, .content a.static, .block a.current.static { color: #3873AD; } -.content span.primitive, .content a.primitive, .block a.current.primitive { color: #AD378A; } -.content span.externcrate, -.content span.mod, .content a.mod, .block a.current.mod { color: #3873AD; } -.content span.trait, .content a.trait, .block a.current.trait { color: #6E4FC9; } -.content span.traitalias, .content a.traitalias, .block a.current.traitalias { color: #5137AD; } -.content span.fn, .content a.fn, .block a.current.fn, -.content span.method, .content a.method, .block a.current.method, -.content span.tymethod, .content a.tymethod, .block a.current.tymethod, -.content .fnname { color: #AD7C37; } -.content span.keyword, .content a.keyword, .block a.current.keyword { color: #3873AD; } - .sidebar a { color: #356da4; } .sidebar a.current.enum { color: #a63283; } .sidebar a.current.struct { color: #a63283; } .sidebar a.current.type { color: #a63283; } -.sidebar a.current.associatedtype { color: #356da4; } .sidebar a.current.foreigntype { color: #356da4; } .sidebar a.current.attr, .sidebar a.current.derive, @@ -114,64 +102,29 @@ a.result-keyword:focus { background-color: #afc6e4; } .sidebar a.current.constant .sidebar a.current.static { color: #356da4; } .sidebar a.current.primitive { color: #a63283; } -.sidebar a.current.externcrate -.sidebar a.current.mod { color: #356da4; } .sidebar a.current.trait { color: #6849c3; } .sidebar a.current.traitalias { color: #4b349e; } -.sidebar a.current.fn, -.sidebar a.current.method, -.sidebar a.current.tymethod { color: #a67736; } +.sidebar a.current.fn { color: #a67736; } .sidebar a.current.keyword { color: #356da4; } -nav.main .current { - border-top-color: #000; - border-bottom-color: #000; -} -nav.main .separator { - border: 1px solid #000; -} - -a { - color: #3873AD; -} - body.source .example-wrap pre.rust a { background: #eee; } -details.rustdoc-toggle > summary.hideme > span, -details.rustdoc-toggle > summary::before { - color: #999; +#crate-search-div::after { + /* match border-color; uses https://codepen.io/sosuke/pen/Pjoqqp */ + filter: invert(100%) sepia(0%) saturate(4223%) hue-rotate(289deg) brightness(114%) contrast(76%); } - -#crate-search, .search-input { - background-color: white; - border-color: #e0e0e0; -} - -#crate-search { - /* Without the `!important`, the border-color is ignored for `<select>`... - It cannot be in the group above because `.search-input` has a different border color on - hover. */ - border-color: #e0e0e0 !important; +#crate-search:hover, #crate-search:focus { + border-color: #717171 !important; } - -.search-input:focus { - border-color: #66afe9; +#crate-search-div:hover::after, #crate-search-div:focus-within::after { + filter: invert(44%) sepia(18%) saturate(23%) hue-rotate(317deg) brightness(96%) contrast(93%); } -.stab.empty-impl { background: #FFF5D6; border-color: #FFC600; } -.stab.unstable { background: #FFF5D6; border-color: #FFC600; } -.stab.deprecated { background: #ffc4c4; border-color: #db7b7b; } -.stab.must_implement { background: #F3DFFF; border-color: #b07bdb; } -.stab.portability { background: #F3DFFF; border-color: #b07bdb; } +.stab { background: #FFF5D6; border-color: #FFC600; } .stab.portability > code { background: none; } -.rightside, -.out-of-band { - color: grey; -} - .line-numbers :target { background-color: transparent; } /* Code highlighting */ @@ -179,7 +132,7 @@ pre.rust .kw { color: #8959A8; } pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; } pre.rust .number, pre.rust .string { color: #718C00; } pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, -pre.rust .attribute, pre.rust .attribute .ident { color: #C82829; } +pre.rust .attribute { color: #C82829; } pre.rust .comment { color: #8E908C; } pre.rust .doccomment { color: #4D4D4C; } pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; } @@ -201,64 +154,11 @@ a.test-arrow:hover{ background-color: #4e8bca; } -.toggle-label, -.code-attribute { - color: #999; -} - :target { background: #FDFFD3; border-right: 3px solid #AD7C37; } -pre.compile_fail { - border-left: 2px solid rgba(255,0,0,.5); -} - -pre.compile_fail:hover, .information:hover + pre.compile_fail { - border-left: 2px solid #f00; -} - -pre.should_panic { - border-left: 2px solid rgba(255,0,0,.5); -} - -pre.should_panic:hover, .information:hover + pre.should_panic { - border-left: 2px solid #f00; -} - -pre.ignore { - border-left: 2px solid rgba(255,142,0,.6); -} - -pre.ignore:hover, .information:hover + pre.ignore { - border-left: 2px solid #ff9200; -} - -.tooltip.compile_fail { - color: rgba(255,0,0,.5); -} - -.information > .compile_fail:hover { - color: #f00; -} - -.tooltip.should_panic { - color: rgba(255,0,0,.5); -} - -.information > .should_panic:hover { - color: #f00; -} - -.tooltip.ignore { - color: rgba(255,142,0,.6); -} - -.information > .ignore:hover { - color: #ff9200; -} - .search-failed a { color: #3873AD; } @@ -274,11 +174,6 @@ pre.ignore:hover, .information:hover + pre.ignore { .notable-traits-tooltiptext { background-color: #eee; - border-color: #999; -} - -.notable-traits-tooltiptext .notable { - border-bottom-color: #DDDDDD; } #titles > button:not(.selected) { @@ -295,58 +190,17 @@ pre.ignore:hover, .information:hover + pre.ignore { color: #888; } -@media (max-width: 700px) { - .sidebar-elems { - border-right-color: #000; - } -} - kbd { color: #000; background-color: #fafbfc; - border-color: #d1d5da; - border-bottom-color: #c6cbd1; box-shadow: inset 0 -1px 0 #c6cbd1; } -#settings-menu > a, #help-button > button { - border-color: #e0e0e0; - background-color: #fff; -} - #settings-menu > a:hover, #settings-menu > a:focus, #help-button > button:hover, #help-button > button:focus { border-color: #717171; } -.popover, .popover::before, -#help-button span.top, #help-button span.bottom { - border-color: #DDDDDD; -} - -#copy-path { - color: #999; -} -#copy-path > img { - filter: invert(50%); -} -#copy-path:hover > img { - filter: invert(35%); -} - -#theme-choices { - border-color: #ccc; - background-color: #fff; -} - -#theme-choices > button:not(:first-child) { - border-top-color: #e0e0e0; -} - -#theme-choices > button:hover, #theme-choices > button:focus { - background-color: #eee; -} - .search-results .result-name span.alias { color: #000; } @@ -354,9 +208,6 @@ kbd { color: #999; } -#source-sidebar > .title { - border-bottom-color: #ccc; -} #source-sidebar div.files > a:hover, details.dir-entry summary:hover, #source-sidebar div.files > a:focus, details.dir-entry summary:focus { background-color: #E0E0E0; @@ -372,9 +223,6 @@ kbd { border-color: black; color: black; } -.more-examples-toggle summary, .more-examples-toggle .hide-more { - color: #999; -} .scraped-example .example-wrap .rust span.highlight { background: #fcffd6; } diff --git a/src/librustdoc/html/static/images/down-arrow.svg b/src/librustdoc/html/static/images/down-arrow.svg index 35437e77a..5d76a64e9 100644 --- a/src/librustdoc/html/static/images/down-arrow.svg +++ b/src/librustdoc/html/static/images/down-arrow.svg @@ -1 +1 @@ -<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="Layer_1" width="128" height="128" enable-background="new 0 0 128 128" version="1.1" viewBox="-30 -20 176 176" xml:space="preserve"><g><line x1="111" x2="64" y1="40.5" y2="87.499" fill="none" stroke="#2F3435" stroke-linecap="square" stroke-miterlimit="10" stroke-width="12"/><line x1="64" x2="17" y1="87.499" y2="40.5" fill="none" stroke="#2F3435" stroke-linecap="square" stroke-miterlimit="10" stroke-width="12"/></g></svg>
\ No newline at end of file +<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="Layer_1" width="128" height="128" enable-background="new 0 0 128 128" version="1.1" viewBox="-30 -20 176 176" xml:space="preserve"><g><line x1="111" x2="64" y1="40.5" y2="87.499" fill="none" stroke="#000000" stroke-linecap="square" stroke-miterlimit="10" stroke-width="12"/><line x1="64" x2="17" y1="87.499" y2="40.5" fill="none" stroke="#000000" stroke-linecap="square" stroke-miterlimit="10" stroke-width="12"/></g></svg>
\ No newline at end of file diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index 0702b2b0b..6e9660ddc 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -348,8 +348,7 @@ function loadCss(cssFileName) { function onHashChange(ev) { // If we're in mobile mode, we should hide the sidebar in any case. - const sidebar = document.getElementsByClassName("sidebar")[0]; - removeClass(sidebar, "shown"); + hideSidebar(); handleHashes(ev); } @@ -501,6 +500,10 @@ function loadCss(cssFileName) { const synthetic_implementors = document.getElementById("synthetic-implementors-list"); const inlined_types = new Set(); + const TEXT_IDX = 0; + const SYNTHETIC_IDX = 1; + const TYPES_IDX = 2; + if (synthetic_implementors) { // This `inlined_types` variable is used to avoid having the same implementation // showing up twice. For example "String" in the "Sync" doc page. @@ -525,9 +528,9 @@ function loadCss(cssFileName) { // We don't want to include impls from this JS file, when the HTML already has them. // The current crate should always be ignored. Other crates that should also be // ignored are included in the attribute `data-ignore-extern-crates`. - const ignoreExternCrates = document - .querySelector("script[data-ignore-extern-crates]") - .getAttribute("data-ignore-extern-crates"); + const script = document + .querySelector("script[data-ignore-extern-crates]"); + const ignoreExternCrates = script ? script.getAttribute("data-ignore-extern-crates") : ""; for (const lib of libs) { if (lib === window.currentCrate || ignoreExternCrates.indexOf(lib) !== -1) { continue; @@ -536,10 +539,12 @@ function loadCss(cssFileName) { struct_loop: for (const struct of structs) { - const list = struct.synthetic ? synthetic_implementors : implementors; + const list = struct[SYNTHETIC_IDX] ? synthetic_implementors : implementors; - if (struct.synthetic) { - for (const struct_type of struct.types) { + // The types list is only used for synthetic impls. + // If this changes, `main.js` and `write_shared.rs` both need changed. + if (struct[SYNTHETIC_IDX]) { + for (const struct_type of struct[TYPES_IDX]) { if (inlined_types.has(struct_type)) { continue struct_loop; } @@ -548,7 +553,7 @@ function loadCss(cssFileName) { } const code = document.createElement("h3"); - code.innerHTML = struct.text; + code.innerHTML = struct[TEXT_IDX]; addClass(code, "code-header"); addClass(code, "in-band"); @@ -694,9 +699,8 @@ function loadCss(cssFileName) { (function() { // To avoid checking on "rustdoc-line-numbers" value on every loop... - let lineNumbersFunc = () => {}; if (getSettingValue("line-numbers") === "true") { - lineNumbersFunc = x => { + onEachLazy(document.getElementsByClassName("rust-example-rendered"), x => { const count = x.textContent.split("\n").length; const elems = []; for (let i = 0; i < count; ++i) { @@ -706,33 +710,54 @@ function loadCss(cssFileName) { addClass(node, "line-number"); node.innerHTML = elems.join("\n"); x.parentNode.insertBefore(node, x); - }; + }); } - onEachLazy(document.getElementsByClassName("rust-example-rendered"), e => { - if (hasClass(e, "compile_fail")) { - e.addEventListener("mouseover", function() { - this.parentElement.previousElementSibling.childNodes[0].style.color = "#f00"; - }); - e.addEventListener("mouseout", function() { - this.parentElement.previousElementSibling.childNodes[0].style.color = ""; - }); - } else if (hasClass(e, "ignore")) { - e.addEventListener("mouseover", function() { - this.parentElement.previousElementSibling.childNodes[0].style.color = "#ff9200"; - }); - e.addEventListener("mouseout", function() { - this.parentElement.previousElementSibling.childNodes[0].style.color = ""; - }); - } - lineNumbersFunc(e); - }); }()); + let oldSidebarScrollPosition = null; + + function showSidebar() { + if (window.innerWidth < window.RUSTDOC_MOBILE_BREAKPOINT) { + // This is to keep the scroll position on mobile. + oldSidebarScrollPosition = window.scrollY; + document.body.style.width = `${document.body.offsetWidth}px`; + document.body.style.position = "fixed"; + document.body.style.top = `-${oldSidebarScrollPosition}px`; + document.querySelector(".mobile-topbar").style.top = `${oldSidebarScrollPosition}px`; + document.querySelector(".mobile-topbar").style.position = "relative"; + } else { + oldSidebarScrollPosition = null; + } + const sidebar = document.getElementsByClassName("sidebar")[0]; + addClass(sidebar, "shown"); + } + function hideSidebar() { + if (oldSidebarScrollPosition !== null) { + // This is to keep the scroll position on mobile. + document.body.style.width = ""; + document.body.style.position = ""; + document.body.style.top = ""; + document.querySelector(".mobile-topbar").style.top = ""; + document.querySelector(".mobile-topbar").style.position = ""; + // The scroll position is lost when resetting the style, hence why we store it in + // `oldSidebarScrollPosition`. + window.scrollTo(0, oldSidebarScrollPosition); + oldSidebarScrollPosition = null; + } const sidebar = document.getElementsByClassName("sidebar")[0]; removeClass(sidebar, "shown"); } + window.addEventListener("resize", () => { + if (window.innerWidth >= window.RUSTDOC_MOBILE_BREAKPOINT && + oldSidebarScrollPosition !== null) { + // If the user opens the sidebar in "mobile" mode, and then grows the browser window, + // we need to switch away from mobile mode and make the main content area scrollable. + hideSidebar(); + } + }); + function handleClick(id, f) { const elem = document.getElementById(id); if (elem) { @@ -775,9 +800,9 @@ function loadCss(cssFileName) { sidebar_menu_toggle.addEventListener("click", () => { const sidebar = document.getElementsByClassName("sidebar")[0]; if (!hasClass(sidebar, "shown")) { - addClass(sidebar, "shown"); + showSidebar(); } else { - removeClass(sidebar, "shown"); + hideSidebar(); } }); } diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 75c7bd45a..d04ec357c 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -429,9 +429,9 @@ function initSearch(rawSearchIndex) { } const posBefore = parserState.pos; getNextElem(query, parserState, elems, endChar === ">"); - // This case can be encountered if `getNextElem` encounted a "stop character" right from - // the start. For example if you have `,,` or `<>`. In this case, we simply move up the - // current position to continue the parsing. + // This case can be encountered if `getNextElem` encountered a "stop character" right + // from the start. For example if you have `,,` or `<>`. In this case, we simply move up + // the current position to continue the parsing. if (posBefore === parserState.pos) { parserState.pos += 1; } @@ -581,7 +581,7 @@ function initSearch(rawSearchIndex) { const elem = document.getElementById("crate-search"); if (elem && - elem.value !== "All crates" && + elem.value !== "all crates" && hasOwnPropertyRustdoc(rawSearchIndex, elem.value) ) { return elem.value; @@ -1551,12 +1551,6 @@ function initSearch(rawSearchIndex) { return [displayPath, href]; } - function escape(content) { - const h1 = document.createElement("h1"); - h1.textContent = content; - return h1.innerHTML; - } - function pathSplitter(path) { const tmp = "<span>" + path.replace(/::/g, "::</span><span>"); if (tmp.endsWith("<span>")) { @@ -1710,22 +1704,15 @@ function initSearch(rawSearchIndex) { let crates = ""; const crates_list = Object.keys(rawSearchIndex); if (crates_list.length > 1) { - crates = " in <select id=\"crate-search\"><option value=\"All crates\">" + - "All crates</option>"; + crates = " in <div id=\"crate-search-div\"><select id=\"crate-search\">" + + "<option value=\"all crates\">all crates</option>"; for (const c of crates_list) { crates += `<option value="${c}" ${c === filterCrates && "selected"}>${c}</option>`; } - crates += "</select>"; - } - - let typeFilter = ""; - if (results.query.typeFilter !== NO_TYPE_FILTER) { - typeFilter = " (type: " + escape(itemTypes[results.query.typeFilter]) + ")"; + crates += "</select></div>"; } - let output = "<div id=\"search-settings\">" + - `<h1 class="search-results-title">Results for ${escape(results.query.userQuery)}` + - `${typeFilter}</h1>${crates}</div>`; + let output = `<h1 class="search-results-title">Results${crates}</h1>`; if (results.query.error !== null) { output += `<h3>Query parser error: "${results.query.error}".</h3>`; output += "<div id=\"titles\">" + @@ -2245,7 +2232,7 @@ function initSearch(rawSearchIndex) { } function updateCrate(ev) { - if (ev.target.value === "All crates") { + if (ev.target.value === "all crates") { // If we don't remove it from the URL, it'll be picked up again by the search. const params = searchState.getQueryStringParams(); const query = searchState.input.value.trim(); diff --git a/src/librustdoc/html/static/js/source-script.js b/src/librustdoc/html/static/js/source-script.js index c45d61429..06d15d9e5 100644 --- a/src/librustdoc/html/static/js/source-script.js +++ b/src/librustdoc/html/static/js/source-script.js @@ -10,7 +10,7 @@ (function() { const rootPath = document.getElementById("rustdoc-vars").attributes["data-root-path"].value; -let oldScrollPosition = 0; +let oldScrollPosition = null; const NAME_OFFSET = 0; const DIRS_OFFSET = 1; @@ -75,18 +75,21 @@ function toggleSidebar() { oldScrollPosition = window.scrollY; document.body.style.position = "fixed"; document.body.style.top = `-${oldScrollPosition}px`; + } else { + oldScrollPosition = null; } addClass(document.documentElement, "source-sidebar-expanded"); child.innerText = "<"; updateLocalStorage("source-sidebar-show", "true"); } else { - if (window.innerWidth < window.RUSTDOC_MOBILE_BREAKPOINT) { + if (window.innerWidth < window.RUSTDOC_MOBILE_BREAKPOINT && oldScrollPosition !== null) { // This is to keep the scroll position on mobile. document.body.style.position = ""; document.body.style.top = ""; // The scroll position is lost when resetting the style, hence why we store it in - // `oldScroll`. + // `oldScrollPosition`. window.scrollTo(0, oldScrollPosition); + oldScrollPosition = null; } removeClass(document.documentElement, "source-sidebar-expanded"); child.innerText = ">"; @@ -94,6 +97,17 @@ function toggleSidebar() { } } +window.addEventListener("resize", () => { + if (window.innerWidth >= window.RUSTDOC_MOBILE_BREAKPOINT && oldScrollPosition !== null) { + // If the user opens the sidebar in "mobile" mode, and then grows the browser window, + // we need to switch away from mobile mode and make the main content area scrollable. + document.body.style.position = ""; + document.body.style.top = ""; + window.scrollTo(0, oldScrollPosition); + oldScrollPosition = null; + } +}); + function createSidebarToggle() { const sidebarToggle = document.createElement("div"); sidebarToggle.id = "sidebar-toggle"; diff --git a/src/librustdoc/html/templates/page.html b/src/librustdoc/html/templates/page.html index 8e25f6764..7caffeae3 100644 --- a/src/librustdoc/html/templates/page.html +++ b/src/librustdoc/html/templates/page.html @@ -13,13 +13,13 @@ <link rel="preload" as="font" type="font/woff2" crossorigin href="{{static_root_path|safe}}SourceCodePro-Regular.ttf.woff2"> {#- -#} <link rel="preload" as="font" type="font/woff2" crossorigin href="{{static_root_path|safe}}SourceSerif4-Bold.ttf.woff2"> {#- -#} <link rel="preload" as="font" type="font/woff2" crossorigin href="{{static_root_path|safe}}SourceCodePro-Semibold.ttf.woff2"> {#- -#} - <link rel="stylesheet" type="text/css" {# -#} + <link rel="stylesheet" {# -#} href="{{static_root_path|safe}}normalize{{page.resource_suffix}}.css"> {#- -#} - <link rel="stylesheet" type="text/css" {# -#} + <link rel="stylesheet" {# -#} href="{{static_root_path|safe}}rustdoc{{page.resource_suffix}}.css" {# -#} id="mainThemeStyle"> {#- -#} {%- for theme in themes -%} - <link rel="stylesheet" type="text/css" {# -#} + <link rel="stylesheet" {# -#} href="{{static_root_path|safe}}{{theme}}{{page.resource_suffix}}.css" {# -#} {%- if theme == "light" -%} id="themeStyle" @@ -51,7 +51,7 @@ href="{{static_root_path|safe}}noscript{{page.resource_suffix}}.css"> {#- -#} </noscript> {#- -#} {%- if layout.css_file_extension.is_some() -%} - <link rel="stylesheet" type="text/css" {# -#} + <link rel="stylesheet" {# -#} href="{{static_root_path|safe}}theme{{page.resource_suffix}}.css"> {#- -#} {%- endif -%} {%- if !layout.favicon.is_empty() -%} diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index 716a4c9ea..49a31f5f1 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -19,6 +19,7 @@ use crate::clean::utils::print_const_expr; use crate::clean::{self, ItemId}; use crate::formats::item_type::ItemType; use crate::json::JsonRenderer; +use crate::passes::collect_intra_doc_links::UrlFragment; impl JsonRenderer<'_> { pub(super) fn convert_item(&self, item: clean::Item) -> Option<Item> { @@ -29,8 +30,14 @@ impl JsonRenderer<'_> { .get(&item.item_id) .into_iter() .flatten() - .map(|clean::ItemLink { link, did, .. }| { - (link.clone(), from_item_id((*did).into(), self.tcx)) + .map(|clean::ItemLink { link, page_id, fragment, .. }| { + let id = match fragment { + Some(UrlFragment::Item(frag_id)) => *frag_id, + // FIXME: Pass the `UserWritten` segment to JSON consumer. + Some(UrlFragment::UserWritten(_)) | None => *page_id, + }; + + (link.clone(), from_item_id(id.into(), self.tcx)) }) .collect(); let docs = item.attrs.collapsed_doc_value(); @@ -46,10 +53,14 @@ impl JsonRenderer<'_> { clean::KeywordItem => return None, clean::StrippedItem(ref inner) => { match &**inner { - // We document non-empty stripped modules as with `Module::is_stripped` set to + // We document stripped modules as with `Module::is_stripped` set to // `true`, to prevent contained items from being orphaned for downstream users, // as JSON does no inlining. - clean::ModuleItem(m) if !m.items.is_empty() => from_clean_item(item, self.tcx), + clean::ModuleItem(_) + if self.imported_items.contains(&item_id.expect_def_id()) => + { + from_clean_item(item, self.tcx) + } _ => return None, } } @@ -59,7 +70,7 @@ impl JsonRenderer<'_> { id: from_item_id_with_name(item_id, self.tcx, name), crate_id: item_id.krate().as_u32(), name: name.map(|sym| sym.to_string()), - span: self.convert_span(span), + span: span.and_then(|span| self.convert_span(span)), visibility: self.convert_visibility(visibility), docs, attrs, @@ -119,6 +130,16 @@ where } } +impl<I, T, U> FromWithTcx<I> for Vec<U> +where + I: IntoIterator<Item = T>, + U: FromWithTcx<T>, +{ + fn from_tcx(f: I, tcx: TyCtxt<'_>) -> Vec<U> { + f.into_iter().map(|x| x.into_tcx(tcx)).collect() + } +} + pub(crate) fn from_deprecation(deprecation: rustc_attr::Deprecation) -> Deprecation { #[rustfmt::skip] let rustc_attr::Deprecation { since, note, is_since_rustc_version: _, suggestion: _ } = deprecation; @@ -130,11 +151,11 @@ impl FromWithTcx<clean::GenericArgs> for GenericArgs { use clean::GenericArgs::*; match args { AngleBracketed { args, bindings } => GenericArgs::AngleBracketed { - args: args.into_vec().into_iter().map(|a| a.into_tcx(tcx)).collect(), - bindings: bindings.into_iter().map(|a| a.into_tcx(tcx)).collect(), + args: args.into_vec().into_tcx(tcx), + bindings: bindings.into_tcx(tcx), }, Parenthesized { inputs, output } => GenericArgs::Parenthesized { - inputs: inputs.into_vec().into_iter().map(|a| a.into_tcx(tcx)).collect(), + inputs: inputs.into_vec().into_tcx(tcx), output: output.map(|a| (*a).into_tcx(tcx)), }, } @@ -145,7 +166,7 @@ impl FromWithTcx<clean::GenericArg> for GenericArg { fn from_tcx(arg: clean::GenericArg, tcx: TyCtxt<'_>) -> Self { use clean::GenericArg::*; match arg { - Lifetime(l) => GenericArg::Lifetime(l.0.to_string()), + Lifetime(l) => GenericArg::Lifetime(convert_lifetime(l)), Type(t) => GenericArg::Type(t.into_tcx(tcx)), Const(box c) => GenericArg::Const(c.into_tcx(tcx)), Infer => GenericArg::Infer, @@ -177,9 +198,7 @@ impl FromWithTcx<clean::TypeBindingKind> for TypeBindingKind { use clean::TypeBindingKind::*; match kind { Equality { term } => TypeBindingKind::Equality(term.into_tcx(tcx)), - Constraint { bounds } => { - TypeBindingKind::Constraint(bounds.into_iter().map(|a| a.into_tcx(tcx)).collect()) - } + Constraint { bounds } => TypeBindingKind::Constraint(bounds.into_tcx(tcx)), } } } @@ -240,11 +259,11 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { VariantItem(v) => ItemEnum::Variant(v.into_tcx(tcx)), FunctionItem(f) => ItemEnum::Function(from_function(f, header.unwrap(), tcx)), ForeignFunctionItem(f) => ItemEnum::Function(from_function(f, header.unwrap(), tcx)), - TraitItem(t) => ItemEnum::Trait(t.into_tcx(tcx)), + TraitItem(t) => ItemEnum::Trait((*t).into_tcx(tcx)), TraitAliasItem(t) => ItemEnum::TraitAlias(t.into_tcx(tcx)), MethodItem(m, _) => ItemEnum::Method(from_function_method(m, true, header.unwrap(), tcx)), TyMethodItem(m) => ItemEnum::Method(from_function_method(m, false, header.unwrap(), tcx)), - ImplItem(i) => ItemEnum::Impl(i.into_tcx(tcx)), + ImplItem(i) => ItemEnum::Impl((*i).into_tcx(tcx)), StaticItem(s) => ItemEnum::Static(s.into_tcx(tcx)), ForeignStaticItem(s) => ItemEnum::Static(s.into_tcx(tcx)), ForeignTypeItem => ItemEnum::ForeignType, @@ -260,12 +279,12 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { } TyAssocTypeItem(g, b) => ItemEnum::AssocType { generics: (*g).into_tcx(tcx), - bounds: b.into_iter().map(|x| x.into_tcx(tcx)).collect(), + bounds: b.into_tcx(tcx), default: None, }, AssocTypeItem(t, b) => ItemEnum::AssocType { generics: t.generics.into_tcx(tcx), - bounds: b.into_iter().map(|x| x.into_tcx(tcx)).collect(), + bounds: b.into_tcx(tcx), default: Some(t.item_type.unwrap_or(t.type_).into_tcx(tcx)), }, // `convert_item` early returns `None` for stripped items and keywords. @@ -292,11 +311,19 @@ impl FromWithTcx<clean::Struct> for Struct { fn from_tcx(struct_: clean::Struct, tcx: TyCtxt<'_>) -> Self { let fields_stripped = struct_.has_stripped_entries(); let clean::Struct { struct_type, generics, fields } = struct_; + + let kind = match struct_type { + CtorKind::Fn => StructKind::Tuple(ids_keeping_stripped(fields, tcx)), + CtorKind::Const => { + assert!(fields.is_empty()); + StructKind::Unit + } + CtorKind::Fictive => StructKind::Plain { fields: ids(fields, tcx), fields_stripped }, + }; + Struct { - struct_type: from_ctor_kind(struct_type), + kind, generics: generics.into_tcx(tcx), - fields_stripped, - fields: ids(fields, tcx), impls: Vec::new(), // Added in JsonRenderer::item } } @@ -315,14 +342,6 @@ impl FromWithTcx<clean::Union> for Union { } } -pub(crate) fn from_ctor_kind(struct_type: CtorKind) -> StructType { - match struct_type { - CtorKind::Fictive => StructType::Plain, - CtorKind::Fn => StructType::Tuple, - CtorKind::Const => StructType::Unit, - } -} - pub(crate) fn from_fn_header(header: &rustc_hir::FnHeader) -> Header { Header { async_: header.is_async(), @@ -347,15 +366,15 @@ fn convert_abi(a: RustcAbi) -> Abi { } } +fn convert_lifetime(l: clean::Lifetime) -> String { + l.0.to_string() +} + impl FromWithTcx<clean::Generics> for Generics { fn from_tcx(generics: clean::Generics, tcx: TyCtxt<'_>) -> Self { Generics { - params: generics.params.into_iter().map(|x| x.into_tcx(tcx)).collect(), - where_predicates: generics - .where_predicates - .into_iter() - .map(|x| x.into_tcx(tcx)) - .collect(), + params: generics.params.into_tcx(tcx), + where_predicates: generics.where_predicates.into_tcx(tcx), } } } @@ -374,10 +393,10 @@ impl FromWithTcx<clean::GenericParamDefKind> for GenericParamDefKind { use clean::GenericParamDefKind::*; match kind { Lifetime { outlives } => GenericParamDefKind::Lifetime { - outlives: outlives.into_iter().map(|lt| lt.0.to_string()).collect(), + outlives: outlives.into_iter().map(convert_lifetime).collect(), }, Type { did: _, bounds, default, synthetic } => GenericParamDefKind::Type { - bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), + bounds: bounds.into_tcx(tcx), default: default.map(|x| (*x).into_tcx(tcx)), synthetic, }, @@ -395,7 +414,7 @@ impl FromWithTcx<clean::WherePredicate> for WherePredicate { match predicate { BoundPredicate { ty, bounds, bound_params } => WherePredicate::BoundPredicate { type_: ty.into_tcx(tcx), - bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), + bounds: bounds.into_tcx(tcx), generic_params: bound_params .into_iter() .map(|x| GenericParamDef { @@ -405,8 +424,8 @@ impl FromWithTcx<clean::WherePredicate> for WherePredicate { .collect(), }, RegionPredicate { lifetime, bounds } => WherePredicate::RegionPredicate { - lifetime: lifetime.0.to_string(), - bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), + lifetime: convert_lifetime(lifetime), + bounds: bounds.into_tcx(tcx), }, EqPredicate { lhs, rhs } => { WherePredicate::EqPredicate { lhs: lhs.into_tcx(tcx), rhs: rhs.into_tcx(tcx) } @@ -420,15 +439,13 @@ impl FromWithTcx<clean::GenericBound> for GenericBound { use clean::GenericBound::*; match bound { TraitBound(clean::PolyTrait { trait_, generic_params }, modifier) => { - // FIXME: should `trait_` be a clean::Path equivalent in JSON? - let trait_ = clean::Type::Path { path: trait_ }.into_tcx(tcx); GenericBound::TraitBound { - trait_, - generic_params: generic_params.into_iter().map(|x| x.into_tcx(tcx)).collect(), + trait_: trait_.into_tcx(tcx), + generic_params: generic_params.into_tcx(tcx), modifier: from_trait_bound_modifier(modifier), } } - Outlives(lifetime) => GenericBound::Outlives(lifetime.0.to_string()), + Outlives(lifetime) => GenericBound::Outlives(convert_lifetime(lifetime)), } } } @@ -447,64 +464,49 @@ pub(crate) fn from_trait_bound_modifier( impl FromWithTcx<clean::Type> for Type { fn from_tcx(ty: clean::Type, tcx: TyCtxt<'_>) -> Self { use clean::Type::{ - Array, BareFunction, BorrowedRef, DynTrait, Generic, ImplTrait, Infer, Primitive, - QPath, RawPointer, Slice, Tuple, + Array, BareFunction, BorrowedRef, Generic, ImplTrait, Infer, Primitive, QPath, + RawPointer, Slice, Tuple, }; match ty { - clean::Type::Path { path } => Type::ResolvedPath { - name: path.whole_name(), - id: from_item_id(path.def_id().into(), tcx), - args: path.segments.last().map(|args| Box::new(args.clone().args.into_tcx(tcx))), - param_names: Vec::new(), - }, - DynTrait(mut bounds, lt) => { - let first_trait = bounds.remove(0).trait_; - - Type::ResolvedPath { - name: first_trait.whole_name(), - id: from_item_id(first_trait.def_id().into(), tcx), - args: first_trait - .segments - .last() - .map(|args| Box::new(args.clone().args.into_tcx(tcx))), - param_names: bounds - .into_iter() - .map(|t| { - clean::GenericBound::TraitBound(t, rustc_hir::TraitBoundModifier::None) - }) - .chain(lt.map(clean::GenericBound::Outlives)) - .map(|bound| bound.into_tcx(tcx)) - .collect(), - } - } + clean::Type::Path { path } => Type::ResolvedPath(path.into_tcx(tcx)), + clean::Type::DynTrait(bounds, lt) => Type::DynTrait(DynTrait { + lifetime: lt.map(convert_lifetime), + traits: bounds.into_tcx(tcx), + }), Generic(s) => Type::Generic(s.to_string()), Primitive(p) => Type::Primitive(p.as_sym().to_string()), BareFunction(f) => Type::FunctionPointer(Box::new((*f).into_tcx(tcx))), - Tuple(t) => Type::Tuple(t.into_iter().map(|x| x.into_tcx(tcx)).collect()), + Tuple(t) => Type::Tuple(t.into_tcx(tcx)), Slice(t) => Type::Slice(Box::new((*t).into_tcx(tcx))), Array(t, s) => Type::Array { type_: Box::new((*t).into_tcx(tcx)), len: s }, - ImplTrait(g) => Type::ImplTrait(g.into_iter().map(|x| x.into_tcx(tcx)).collect()), + ImplTrait(g) => Type::ImplTrait(g.into_tcx(tcx)), Infer => Type::Infer, RawPointer(mutability, type_) => Type::RawPointer { mutable: mutability == ast::Mutability::Mut, type_: Box::new((*type_).into_tcx(tcx)), }, BorrowedRef { lifetime, mutability, type_ } => Type::BorrowedRef { - lifetime: lifetime.map(|l| l.0.to_string()), + lifetime: lifetime.map(convert_lifetime), mutable: mutability == ast::Mutability::Mut, type_: Box::new((*type_).into_tcx(tcx)), }, - QPath { assoc, self_type, trait_, .. } => { - // FIXME: should `trait_` be a clean::Path equivalent in JSON? - let trait_ = clean::Type::Path { path: trait_ }.into_tcx(tcx); - Type::QualifiedPath { - name: assoc.name.to_string(), - args: Box::new(assoc.args.clone().into_tcx(tcx)), - self_type: Box::new((*self_type).into_tcx(tcx)), - trait_: Box::new(trait_), - } - } + QPath(box clean::QPathData { assoc, self_type, trait_, .. }) => Type::QualifiedPath { + name: assoc.name.to_string(), + args: Box::new(assoc.args.into_tcx(tcx)), + self_type: Box::new(self_type.into_tcx(tcx)), + trait_: trait_.into_tcx(tcx), + }, + } + } +} + +impl FromWithTcx<clean::Path> for Path { + fn from_tcx(path: clean::Path, tcx: TyCtxt<'_>) -> Path { + Path { + name: path.whole_name(), + id: from_item_id(path.def_id().into(), tcx), + args: path.segments.last().map(|args| Box::new(args.clone().args.into_tcx(tcx))), } } } @@ -528,7 +530,7 @@ impl FromWithTcx<clean::BareFunctionDecl> for FunctionPointer { async_: false, abi: convert_abi(abi), }, - generic_params: generic_params.into_iter().map(|x| x.into_tcx(tcx)).collect(), + generic_params: generic_params.into_tcx(tcx), decl: decl.into_tcx(tcx), } } @@ -562,18 +564,25 @@ impl FromWithTcx<clean::Trait> for Trait { is_unsafe, items: ids(items, tcx), generics: generics.into_tcx(tcx), - bounds: bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), + bounds: bounds.into_tcx(tcx), implementations: Vec::new(), // Added in JsonRenderer::item } } } -impl FromWithTcx<Box<clean::Impl>> for Impl { - fn from_tcx(impl_: Box<clean::Impl>, tcx: TyCtxt<'_>) -> Self { +impl FromWithTcx<clean::PolyTrait> for PolyTrait { + fn from_tcx( + clean::PolyTrait { trait_, generic_params }: clean::PolyTrait, + tcx: TyCtxt<'_>, + ) -> Self { + PolyTrait { trait_: trait_.into_tcx(tcx), generic_params: generic_params.into_tcx(tcx) } + } +} + +impl FromWithTcx<clean::Impl> for Impl { + fn from_tcx(impl_: clean::Impl, tcx: TyCtxt<'_>) -> Self { let provided_trait_methods = impl_.provided_trait_methods(tcx); - let clean::Impl { unsafety, generics, trait_, for_, items, polarity, kind } = *impl_; - // FIXME: should `trait_` be a clean::Path equivalent in JSON? - let trait_ = trait_.map(|path| clean::Type::Path { path }.into_tcx(tcx)); + let clean::Impl { unsafety, generics, trait_, for_, items, polarity, kind } = impl_; // FIXME: use something like ImplKind in JSON? let (synthetic, blanket_impl) = match kind { clean::ImplKind::Normal | clean::ImplKind::FakeVaradic => (false, None), @@ -591,7 +600,7 @@ impl FromWithTcx<Box<clean::Impl>> for Impl { .into_iter() .map(|x| x.to_string()) .collect(), - trait_, + trait_: trait_.map(|path| path.into_tcx(tcx)), for_: for_.into_tcx(tcx), items: ids(items, tcx), negative: negative_polarity, @@ -642,38 +651,28 @@ impl FromWithTcx<clean::Enum> for Enum { } } -impl FromWithTcx<clean::VariantStruct> for Struct { - fn from_tcx(struct_: clean::VariantStruct, tcx: TyCtxt<'_>) -> Self { - let fields_stripped = struct_.has_stripped_entries(); - let clean::VariantStruct { struct_type, fields } = struct_; - Struct { - struct_type: from_ctor_kind(struct_type), - generics: Generics { params: vec![], where_predicates: vec![] }, - fields_stripped, - fields: ids(fields, tcx), - impls: Vec::new(), - } - } -} - impl FromWithTcx<clean::Variant> for Variant { fn from_tcx(variant: clean::Variant, tcx: TyCtxt<'_>) -> Self { use clean::Variant::*; match variant { - CLike => Variant::Plain, - Tuple(fields) => Variant::Tuple( - fields - .into_iter() - .map(|f| { - if let clean::StructFieldItem(ty) = *f.kind { - ty.into_tcx(tcx) - } else { - unreachable!() - } - }) - .collect(), - ), - Struct(s) => Variant::Struct(ids(s.fields, tcx)), + CLike(disr) => Variant::Plain(disr.map(|disr| disr.into_tcx(tcx))), + Tuple(fields) => Variant::Tuple(ids_keeping_stripped(fields, tcx)), + Struct(s) => Variant::Struct { + fields_stripped: s.has_stripped_entries(), + fields: ids(s.fields, tcx), + }, + } + } +} + +impl FromWithTcx<clean::Discriminant> for Discriminant { + fn from_tcx(disr: clean::Discriminant, tcx: TyCtxt<'_>) -> Self { + Discriminant { + // expr is only none if going throught the inlineing path, which gets + // `rustc_middle` types, not `rustc_hir`, but because JSON never inlines + // the expr is always some. + expr: disr.expr(tcx).unwrap(), + value: disr.value(tcx), } } } @@ -681,24 +680,18 @@ impl FromWithTcx<clean::Variant> for Variant { impl FromWithTcx<clean::Import> for Import { fn from_tcx(import: clean::Import, tcx: TyCtxt<'_>) -> Self { use clean::ImportKind::*; - match import.kind { - Simple(s) => Import { - source: import.source.path.whole_name(), - name: s.to_string(), - id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)), - glob: false, - }, - Glob => Import { - source: import.source.path.whole_name(), - name: import - .source - .path - .last_opt() - .unwrap_or_else(|| Symbol::intern("*")) - .to_string(), - id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)), - glob: true, - }, + let (name, glob) = match import.kind { + Simple(s) => (s.to_string(), false), + Glob => ( + import.source.path.last_opt().unwrap_or_else(|| Symbol::intern("*")).to_string(), + true, + ), + }; + Import { + source: import.source.path.whole_name(), + name, + id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)), + glob, } } } @@ -730,10 +723,7 @@ impl FromWithTcx<Box<clean::Typedef>> for Typedef { impl FromWithTcx<clean::OpaqueTy> for OpaqueTy { fn from_tcx(opaque: clean::OpaqueTy, tcx: TyCtxt<'_>) -> Self { - OpaqueTy { - bounds: opaque.bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), - generics: opaque.generics.into_tcx(tcx), - } + OpaqueTy { bounds: opaque.bounds.into_tcx(tcx), generics: opaque.generics.into_tcx(tcx) } } } @@ -749,10 +739,7 @@ impl FromWithTcx<clean::Static> for Static { impl FromWithTcx<clean::TraitAlias> for TraitAlias { fn from_tcx(alias: clean::TraitAlias, tcx: TyCtxt<'_>) -> Self { - TraitAlias { - generics: alias.generics.into_tcx(tcx), - params: alias.bounds.into_iter().map(|x| x.into_tcx(tcx)).collect(), - } + TraitAlias { generics: alias.generics.into_tcx(tcx), params: alias.bounds.into_tcx(tcx) } } } @@ -796,3 +783,19 @@ fn ids(items: impl IntoIterator<Item = clean::Item>, tcx: TyCtxt<'_>) -> Vec<Id> .map(|i| from_item_id_with_name(i.item_id, tcx, i.name)) .collect() } + +fn ids_keeping_stripped( + items: impl IntoIterator<Item = clean::Item>, + tcx: TyCtxt<'_>, +) -> Vec<Option<Id>> { + items + .into_iter() + .map(|i| { + if !i.is_stripped() && !i.is_keyword() { + Some(from_item_id_with_name(i.item_id, tcx, i.name)) + } else { + None + } + }) + .collect() +} diff --git a/src/librustdoc/json/import_finder.rs b/src/librustdoc/json/import_finder.rs new file mode 100644 index 000000000..c5c687df7 --- /dev/null +++ b/src/librustdoc/json/import_finder.rs @@ -0,0 +1,38 @@ +use rustc_data_structures::fx::FxHashSet; +use rustc_hir::def_id::DefId; + +use crate::{ + clean::{self, Import, ImportSource, Item}, + fold::DocFolder, +}; + +/// Get the id's of all items that are `pub use`d in the crate. +/// +/// We need this to know if a stripped module is `pub use mod::*`, to decide +/// if it needs to be kept in the index, despite being stripped. +/// +/// See [#100973](https://github.com/rust-lang/rust/issues/100973) and +/// [#101103](https://github.com/rust-lang/rust/issues/101103) for times when +/// this information is needed. +pub(crate) fn get_imports(krate: clean::Crate) -> (clean::Crate, FxHashSet<DefId>) { + let mut finder = ImportFinder { imported: FxHashSet::default() }; + let krate = finder.fold_crate(krate); + (krate, finder.imported) +} + +struct ImportFinder { + imported: FxHashSet<DefId>, +} + +impl DocFolder for ImportFinder { + fn fold_item(&mut self, i: Item) -> Option<Item> { + match *i.kind { + clean::ImportItem(Import { source: ImportSource { did: Some(did), .. }, .. }) => { + self.imported.insert(did); + Some(i) + } + + _ => Some(self.fold_item_recur(i)), + } + } +} diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs index 6364d00d0..5e8f5f6fe 100644 --- a/src/librustdoc/json/mod.rs +++ b/src/librustdoc/json/mod.rs @@ -5,6 +5,7 @@ //! docs for usage and details. mod conversions; +mod import_finder; use std::cell::RefCell; use std::fs::{create_dir_all, File}; @@ -12,7 +13,7 @@ use std::io::{BufWriter, Write}; use std::path::PathBuf; use std::rc::Rc; -use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir::def_id::DefId; use rustc_middle::ty::TyCtxt; use rustc_session::Session; @@ -39,6 +40,7 @@ pub(crate) struct JsonRenderer<'tcx> { /// The directory where the blob will be written to. out_path: PathBuf, cache: Rc<Cache>, + imported_items: FxHashSet<DefId>, } impl<'tcx> JsonRenderer<'tcx> { @@ -99,6 +101,7 @@ impl<'tcx> JsonRenderer<'tcx> { } fn get_trait_items(&mut self) -> Vec<(types::Id, types::Item)> { + debug!("Adding foreign trait items"); Rc::clone(&self.cache) .traits .iter() @@ -106,7 +109,10 @@ impl<'tcx> JsonRenderer<'tcx> { // only need to synthesize items for external traits if !id.is_local() { let trait_item = &trait_item.trait_; - trait_item.items.clone().into_iter().for_each(|i| self.item(i).unwrap()); + for item in &trait_item.items { + trace!("Adding subitem to {id:?}: {:?}", item.item_id); + self.item(item.clone()).unwrap(); + } let item_id = from_item_id(id.into(), self.tcx); Some(( item_id.clone(), @@ -157,12 +163,16 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { tcx: TyCtxt<'tcx>, ) -> Result<(Self, clean::Crate), Error> { debug!("Initializing json renderer"); + + let (krate, imported_items) = import_finder::get_imports(krate); + Ok(( JsonRenderer { tcx, index: Rc::new(RefCell::new(FxHashMap::default())), out_path: options.output, cache: Rc::new(cache), + imported_items, }, krate, )) @@ -176,7 +186,9 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { /// the hashmap because certain items (traits and types) need to have their mappings for trait /// implementations filled out before they're inserted. fn item(&mut self, item: clean::Item) -> Result<(), Error> { - trace!("rendering {} {:?}", item.type_(), item.name); + let item_type = item.type_(); + let item_name = item.name; + trace!("rendering {} {:?}", item_type, item_name); // Flatten items that recursively store other items. We include orphaned items from // stripped modules and etc that are otherwise reachable. @@ -209,11 +221,11 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { } types::ItemEnum::Method(_) + | types::ItemEnum::Module(_) | types::ItemEnum::AssocConst { .. } | types::ItemEnum::AssocType { .. } | types::ItemEnum::PrimitiveType(_) => true, - types::ItemEnum::Module(_) - | types::ItemEnum::ExternCrate { .. } + types::ItemEnum::ExternCrate { .. } | types::ItemEnum::Import(_) | types::ItemEnum::StructField(_) | types::ItemEnum::Variant(_) @@ -245,6 +257,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { } } + trace!("done rendering {} {:?}", item_type, item_name); Ok(()) } @@ -255,14 +268,20 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { fn after_krate(&mut self) -> Result<(), Error> { debug!("Done with crate"); + debug!("Adding Primitve impls"); for primitive in Rc::clone(&self.cache).primitive_locations.values() { self.get_impls(*primitive); } let e = ExternalCrate { crate_num: LOCAL_CRATE }; + // FIXME(adotinthevoid): Remove this, as it's not consistant with not + // inlining foreign items. + let foreign_trait_items = self.get_trait_items(); let mut index = (*self.index).clone().into_inner(); - index.extend(self.get_trait_items()); + index.extend(foreign_trait_items); + + debug!("Constructing Output"); // This needs to be the default HashMap for compatibility with the public interface for // rustdoc-json-types #[allow(rustc::default_hash_types)] @@ -274,10 +293,9 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { paths: self .cache .paths - .clone() - .into_iter() - .chain(self.cache.external_paths.clone().into_iter()) - .map(|(k, (path, kind))| { + .iter() + .chain(&self.cache.external_paths) + .map(|(&k, &(ref path, kind))| { ( from_item_id(k.into(), self.tcx), types::ItemSummary { diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 92380d124..14d695582 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -9,14 +9,14 @@ #![feature(control_flow_enum)] #![feature(drain_filter)] #![feature(let_chains)] -#![feature(let_else)] +#![cfg_attr(bootstrap, feature(let_else))] #![feature(test)] #![feature(never_type)] #![feature(once_cell)] #![feature(type_ascription)] #![feature(iter_intersperse)] #![feature(type_alias_impl_trait)] -#![feature(generic_associated_types)] +#![cfg_attr(bootstrap, feature(generic_associated_types))] #![recursion_limit = "256"] #![warn(rustc::internal)] #![allow(clippy::collapsible_if, clippy::collapsible_else_if)] diff --git a/src/librustdoc/lint.rs b/src/librustdoc/lint.rs index 240aec52c..e76c19a61 100644 --- a/src/librustdoc/lint.rs +++ b/src/librustdoc/lint.rs @@ -64,9 +64,13 @@ where } macro_rules! declare_rustdoc_lint { - ($(#[$attr:meta])* $name: ident, $level: ident, $descr: literal $(,)?) => { + ( + $(#[$attr:meta])* $name: ident, $level: ident, $descr: literal $(,)? + $(@feature_gate = $gate:expr;)? + ) => { declare_tool_lint! { $(#[$attr])* pub rustdoc::$name, $level, $descr + $(, @feature_gate = $gate;)? } } } @@ -123,7 +127,8 @@ declare_rustdoc_lint! { /// [rustdoc book]: ../../../rustdoc/lints.html#missing_doc_code_examples MISSING_DOC_CODE_EXAMPLES, Allow, - "detects publicly-exported items without code samples in their documentation" + "detects publicly-exported items without code samples in their documentation", + @feature_gate = rustc_span::symbol::sym::rustdoc_missing_doc_code_examples; } declare_rustdoc_lint! { diff --git a/src/librustdoc/passes/calculate_doc_coverage.rs b/src/librustdoc/passes/calculate_doc_coverage.rs index 4c6e3eb04..48835abf9 100644 --- a/src/librustdoc/passes/calculate_doc_coverage.rs +++ b/src/librustdoc/passes/calculate_doc_coverage.rs @@ -215,7 +215,6 @@ impl<'a, 'b> DocVisitor for CoverageCalculator<'a, 'b> { None, ); - let filename = i.span(self.ctx.tcx).filename(self.ctx.sess()); let has_doc_example = tests.found_tests != 0; // The `expect_def_id()` should be okay because `local_def_id_to_hir_id` // would presumably panic if a fake `DefIndex` were passed. @@ -261,13 +260,16 @@ impl<'a, 'b> DocVisitor for CoverageCalculator<'a, 'b> { let should_have_docs = !should_be_ignored && (level != lint::Level::Allow || matches!(source, LintLevelSource::Default)); - debug!("counting {:?} {:?} in {:?}", i.type_(), i.name, filename); - self.items.entry(filename).or_default().count_item( - has_docs, - has_doc_example, - should_have_doc_example(self.ctx, i), - should_have_docs, - ); + if let Some(span) = i.span(self.ctx.tcx) { + let filename = span.filename(self.ctx.sess()); + debug!("counting {:?} {:?} in {:?}", i.type_(), i.name, filename); + self.items.entry(filename).or_default().count_item( + has_docs, + has_doc_example, + should_have_doc_example(self.ctx, i), + should_have_docs, + ); + } } } diff --git a/src/librustdoc/passes/check_code_block_syntax.rs b/src/librustdoc/passes/check_code_block_syntax.rs index 0172ef570..381ac7a5d 100644 --- a/src/librustdoc/passes/check_code_block_syntax.rs +++ b/src/librustdoc/passes/check_code_block_syntax.rs @@ -1,7 +1,8 @@ //! Validates syntax inside Rust code blocks (\`\`\`rust). use rustc_data_structures::sync::{Lock, Lrc}; use rustc_errors::{ - emitter::Emitter, Applicability, Diagnostic, Handler, LazyFallbackBundle, LintDiagnosticBuilder, + emitter::Emitter, translation::Translate, Applicability, Diagnostic, Handler, + LazyFallbackBundle, LintDiagnosticBuilder, }; use rustc_parse::parse_stream_from_source_str; use rustc_session::parse::ParseSess; @@ -181,6 +182,16 @@ struct BufferEmitter { fallback_bundle: LazyFallbackBundle, } +impl Translate for BufferEmitter { + fn fluent_bundle(&self) -> Option<&Lrc<rustc_errors::FluentBundle>> { + None + } + + fn fallback_fluent_bundle(&self) -> &rustc_errors::FluentBundle { + &**self.fallback_bundle + } +} + impl Emitter for BufferEmitter { fn emit_diagnostic(&mut self, diag: &Diagnostic) { let mut buffer = self.buffer.borrow_mut(); @@ -194,12 +205,4 @@ impl Emitter for BufferEmitter { fn source_map(&self) -> Option<&Lrc<SourceMap>> { None } - - fn fluent_bundle(&self) -> Option<&Lrc<rustc_errors::FluentBundle>> { - None - } - - fn fallback_fluent_bundle(&self) -> &rustc_errors::FluentBundle { - &**self.fallback_bundle - } } diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index e86f90833..55d5f303d 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -117,7 +117,7 @@ pub(crate) fn look_for_tests<'tcx>(cx: &DocContext<'tcx>, dox: &str, item: &Item find_testable_code(dox, &mut tests, ErrorCodes::No, false, None); - if tests.found_tests == 0 && cx.tcx.sess.is_nightly_build() { + if tests.found_tests == 0 && cx.tcx.features().rustdoc_missing_doc_code_examples { if should_have_doc_example(cx, item) { debug!("reporting error for {:?} (hir_id={:?})", item, hir_id); let sp = item.attr_span(cx.tcx); diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 7d7a63c53..b2a41bfa4 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -223,6 +223,9 @@ enum MalformedGenerics { #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub(crate) enum UrlFragment { Item(DefId), + /// A part of a page that isn't a rust item. + /// + /// Eg: `[Vector Examples](std::vec::Vec#examples)` UserWritten(String), } @@ -477,7 +480,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { // If there's no `::`, it's not an associated item. // So we can be sure that `rustc_resolve` was accurate when it said it wasn't resolved. .ok_or_else(|| { - debug!("found no `::`, assumming {} was correctly not in scope", item_name); + debug!("found no `::`, assuming {} was correctly not in scope", item_name); UnresolvedPath { item_id, module_id, @@ -750,7 +753,7 @@ fn resolve_associated_trait_item<'a>( /// /// This is just a wrapper around [`TyCtxt::impl_item_implementor_ids()`] and /// [`TyCtxt::associated_item()`] (with some helpful logging added). -#[instrument(level = "debug", skip(tcx))] +#[instrument(level = "debug", skip(tcx), ret)] fn trait_assoc_to_impl_assoc_item<'tcx>( tcx: TyCtxt<'tcx>, impl_id: DefId, @@ -760,9 +763,7 @@ fn trait_assoc_to_impl_assoc_item<'tcx>( debug!(?trait_to_impl_assoc_map); let impl_assoc_id = *trait_to_impl_assoc_map.get(&trait_assoc_id)?; debug!(?impl_assoc_id); - let impl_assoc = tcx.associated_item(impl_assoc_id); - debug!(?impl_assoc); - Some(impl_assoc) + Some(tcx.associated_item(impl_assoc_id)) } /// Given a type, return all trait impls in scope in `module` for that type. @@ -1129,7 +1130,7 @@ impl LinkCollector<'_, '_> { Some(ItemLink { link: ori_link.link.clone(), link_text: link_text.clone(), - did: res.def_id(self.cx.tcx), + page_id: res.def_id(self.cx.tcx), fragment, }) } @@ -1148,11 +1149,12 @@ impl LinkCollector<'_, '_> { item, &diag_info, )?; - let id = clean::register_res(self.cx, rustc_hir::def::Res::Def(kind, id)); + + let page_id = clean::register_res(self.cx, rustc_hir::def::Res::Def(kind, id)); Some(ItemLink { link: ori_link.link.clone(), link_text: link_text.clone(), - did: id, + page_id, fragment, }) } @@ -1256,7 +1258,7 @@ impl LinkCollector<'_, '_> { &mut self, key: ResolutionInfo, diag: DiagnosticInfo<'_>, - // If errors are cached then they are only reported on first ocurrence + // If errors are cached then they are only reported on first occurrence // which we want in some cases but not in others. cache_errors: bool, ) -> Option<(Res, Option<UrlFragment>)> { @@ -1807,8 +1809,8 @@ fn resolution_failure( } return; } - Trait | TyAlias | ForeignTy | OpaqueTy | TraitAlias | TyParam - | Static(_) => "associated item", + Trait | TyAlias | ForeignTy | OpaqueTy | ImplTraitPlaceholder + | TraitAlias | TyParam | Static(_) => "associated item", Impl | GlobalAsm => unreachable!("not a path"), } } else { @@ -1893,7 +1895,7 @@ fn disambiguator_error( diag_info.link_range = disambiguator_range; report_diagnostic(cx.tcx, BROKEN_INTRA_DOC_LINKS, msg, &diag_info, |diag, _sp| { let msg = format!( - "see {}/rustdoc/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators", + "see {}/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators", crate::DOC_RUST_LANG_ORG_CHANNEL ); diag.note(&msg); diff --git a/src/librustdoc/passes/html_tags.rs b/src/librustdoc/passes/html_tags.rs index f3a3c853c..885dadb32 100644 --- a/src/librustdoc/passes/html_tags.rs +++ b/src/librustdoc/passes/html_tags.rs @@ -94,6 +94,34 @@ fn extract_path_backwards(text: &str, end_pos: usize) -> Option<usize> { if current_pos == end_pos { None } else { Some(current_pos) } } +fn extract_path_forward(text: &str, start_pos: usize) -> Option<usize> { + use rustc_lexer::{is_id_continue, is_id_start}; + let mut current_pos = start_pos; + loop { + if current_pos < text.len() && text[current_pos..].starts_with("::") { + current_pos += 2; + } else { + break; + } + let mut chars = text[current_pos..].chars(); + if let Some(c) = chars.next() { + if is_id_start(c) { + current_pos += c.len_utf8(); + } else { + break; + } + } + while let Some(c) = chars.next() { + if is_id_continue(c) { + current_pos += c.len_utf8(); + } else { + break; + } + } + } + if current_pos == start_pos { None } else { Some(current_pos) } +} + fn is_valid_for_html_tag_name(c: char, is_empty: bool) -> bool { // https://spec.commonmark.org/0.30/#raw-html // @@ -218,19 +246,68 @@ impl<'a, 'tcx> DocVisitor for InvalidHtmlTagsLinter<'a, 'tcx> { // If a tag looks like `<this>`, it might actually be a generic. // We don't try to detect stuff `<like, this>` because that's not valid HTML, // and we don't try to detect stuff `<like this>` because that's not valid Rust. - if let Some(Some(generics_start)) = (is_open_tag - && dox[..range.end].ends_with('>')) + let mut generics_end = range.end; + if let Some(Some(mut generics_start)) = (is_open_tag + && dox[..generics_end].ends_with('>')) .then(|| extract_path_backwards(&dox, range.start)) { + while generics_start != 0 + && generics_end < dox.len() + && dox.as_bytes()[generics_start - 1] == b'<' + && dox.as_bytes()[generics_end] == b'>' + { + generics_end += 1; + generics_start -= 1; + if let Some(new_start) = extract_path_backwards(&dox, generics_start) { + generics_start = new_start; + } + if let Some(new_end) = extract_path_forward(&dox, generics_end) { + generics_end = new_end; + } + } + if let Some(new_end) = extract_path_forward(&dox, generics_end) { + generics_end = new_end; + } let generics_sp = match super::source_span_for_markdown_range( tcx, &dox, - &(generics_start..range.end), + &(generics_start..generics_end), &item.attrs, ) { Some(sp) => sp, None => item.attr_span(tcx), }; + // Sometimes, we only extract part of a path. For example, consider this: + // + // <[u32] as IntoIter<u32>>::Item + // ^^^^^ unclosed HTML tag `u32` + // + // We don't have any code for parsing fully-qualified trait paths. + // In theory, we could add it, but doing it correctly would require + // parsing the entire path grammar, which is problematic because of + // overlap between the path grammar and Markdown. + // + // The example above shows that ambiguity. Is `[u32]` intended to be an + // intra-doc link to the u32 primitive, or is it intended to be a slice? + // + // If the below conditional were removed, we would suggest this, which is + // not what the user probably wants. + // + // <[u32] as `IntoIter<u32>`>::Item + // + // We know that the user actually wants to wrap the whole thing in a code + // block, but the only reason we know that is because `u32` does not, in + // fact, implement IntoIter. If the example looks like this: + // + // <[Vec<i32>] as IntoIter<i32>::Item + // + // The ideal fix would be significantly different. + if (generics_start > 0 && dox.as_bytes()[generics_start - 1] == b'<') + || (generics_end < dox.len() && dox.as_bytes()[generics_end] == b'>') + { + diag.emit(); + return; + } // multipart form is chosen here because ``Vec<i32>`` would be confusing. diag.multipart_suggestion( "try marking as source code", @@ -278,7 +355,7 @@ impl<'a, 'tcx> DocVisitor for InvalidHtmlTagsLinter<'a, 'tcx> { for (event, range) in p { match event { Event::Start(Tag::CodeBlock(_)) => in_code_block = true, - Event::Html(text) | Event::Text(text) if !in_code_block => { + Event::Html(text) if !in_code_block => { extract_tags(&mut tags, &text, range, &mut is_in_comment, &report_diag) } Event::End(Tag::CodeBlock(_)) => in_code_block = false, diff --git a/src/librustdoc/passes/propagate_doc_cfg.rs b/src/librustdoc/passes/propagate_doc_cfg.rs index 0c5d83655..765f7c61b 100644 --- a/src/librustdoc/passes/propagate_doc_cfg.rs +++ b/src/librustdoc/passes/propagate_doc_cfg.rs @@ -2,29 +2,74 @@ use std::sync::Arc; use crate::clean::cfg::Cfg; -use crate::clean::{Crate, Item}; +use crate::clean::inline::{load_attrs, merge_attrs}; +use crate::clean::{Crate, Item, ItemKind}; use crate::core::DocContext; use crate::fold::DocFolder; use crate::passes::Pass; +use rustc_hir::def_id::LocalDefId; + pub(crate) const PROPAGATE_DOC_CFG: Pass = Pass { name: "propagate-doc-cfg", run: propagate_doc_cfg, description: "propagates `#[doc(cfg(...))]` to child items", }; -pub(crate) fn propagate_doc_cfg(cr: Crate, _: &mut DocContext<'_>) -> Crate { - CfgPropagator { parent_cfg: None }.fold_crate(cr) +pub(crate) fn propagate_doc_cfg(cr: Crate, cx: &mut DocContext<'_>) -> Crate { + CfgPropagator { parent_cfg: None, parent: None, cx }.fold_crate(cr) } -struct CfgPropagator { +struct CfgPropagator<'a, 'tcx> { parent_cfg: Option<Arc<Cfg>>, + parent: Option<LocalDefId>, + cx: &'a mut DocContext<'tcx>, +} + +impl<'a, 'tcx> CfgPropagator<'a, 'tcx> { + // Some items need to merge their attributes with their parents' otherwise a few of them + // (mostly `cfg` ones) will be missing. + fn merge_with_parent_attributes(&mut self, item: &mut Item) { + let check_parent = match &*item.kind { + // impl blocks can be in different modules with different cfg and we need to get them + // as well. + ItemKind::ImplItem(_) => false, + kind if kind.is_non_assoc() => true, + _ => return, + }; + + let Some(def_id) = item.item_id.as_def_id().and_then(|def_id| def_id.as_local()) + else { return }; + + let hir = self.cx.tcx.hir(); + let hir_id = hir.local_def_id_to_hir_id(def_id); + + if check_parent { + let expected_parent = hir.get_parent_item(hir_id); + // If parents are different, it means that `item` is a reexport and we need + // to compute the actual `cfg` by iterating through its "real" parents. + if self.parent == Some(expected_parent) { + return; + } + } + + let mut attrs = Vec::new(); + for (parent_hir_id, _) in hir.parent_iter(hir_id) { + if let Some(def_id) = hir.opt_local_def_id(parent_hir_id) { + attrs.extend_from_slice(load_attrs(self.cx, def_id.to_def_id())); + } + } + let (_, cfg) = merge_attrs(self.cx, None, item.attrs.other_attrs.as_slice(), Some(&attrs)); + item.cfg = cfg; + } } -impl DocFolder for CfgPropagator { +impl<'a, 'tcx> DocFolder for CfgPropagator<'a, 'tcx> { fn fold_item(&mut self, mut item: Item) -> Option<Item> { let old_parent_cfg = self.parent_cfg.clone(); + self.merge_with_parent_attributes(&mut item); + let new_cfg = match (self.parent_cfg.take(), item.cfg.take()) { (None, None) => None, (Some(rc), None) | (None, Some(rc)) => Some(rc), @@ -37,8 +82,15 @@ impl DocFolder for CfgPropagator { self.parent_cfg = new_cfg.clone(); item.cfg = new_cfg; + let old_parent = + if let Some(def_id) = item.item_id.as_def_id().and_then(|def_id| def_id.as_local()) { + self.parent.replace(def_id) + } else { + self.parent.take() + }; let result = self.fold_item_recur(item); self.parent_cfg = old_parent_cfg; + self.parent = old_parent; Some(result) } diff --git a/src/librustdoc/passes/strip_hidden.rs b/src/librustdoc/passes/strip_hidden.rs index 533e2ce46..9914edf30 100644 --- a/src/librustdoc/passes/strip_hidden.rs +++ b/src/librustdoc/passes/strip_hidden.rs @@ -17,6 +17,7 @@ pub(crate) const STRIP_HIDDEN: Pass = Pass { /// Strip items marked `#[doc(hidden)]` pub(crate) fn strip_hidden(krate: clean::Crate, cx: &mut DocContext<'_>) -> clean::Crate { let mut retained = ItemIdSet::default(); + let is_json_output = cx.output_format.is_json() && !cx.show_coverage; // strip all #[doc(hidden)] items let krate = { @@ -25,7 +26,12 @@ pub(crate) fn strip_hidden(krate: clean::Crate, cx: &mut DocContext<'_>) -> clea }; // strip all impls referencing stripped items - let mut stripper = ImplStripper { retained: &retained, cache: &cx.cache }; + let mut stripper = ImplStripper { + retained: &retained, + cache: &cx.cache, + is_json_output, + document_private: cx.render_options.document_private, + }; stripper.fold_crate(krate) } diff --git a/src/librustdoc/passes/strip_private.rs b/src/librustdoc/passes/strip_private.rs index 9ba841a31..f3aa3c7ce 100644 --- a/src/librustdoc/passes/strip_private.rs +++ b/src/librustdoc/passes/strip_private.rs @@ -17,6 +17,7 @@ pub(crate) const STRIP_PRIVATE: Pass = Pass { pub(crate) fn strip_private(mut krate: clean::Crate, cx: &mut DocContext<'_>) -> clean::Crate { // This stripper collects all *retained* nodes. let mut retained = ItemIdSet::default(); + let is_json_output = cx.output_format.is_json() && !cx.show_coverage; // strip all private items { @@ -24,12 +25,17 @@ pub(crate) fn strip_private(mut krate: clean::Crate, cx: &mut DocContext<'_>) -> retained: &mut retained, access_levels: &cx.cache.access_levels, update_retained: true, - is_json_output: cx.output_format.is_json() && !cx.show_coverage, + is_json_output, }; krate = ImportStripper.fold_crate(stripper.fold_crate(krate)); } // strip all impls referencing private items - let mut stripper = ImplStripper { retained: &retained, cache: &cx.cache }; + let mut stripper = ImplStripper { + retained: &retained, + cache: &cx.cache, + is_json_output, + document_private: cx.render_options.document_private, + }; stripper.fold_crate(krate) } diff --git a/src/librustdoc/passes/stripper.rs b/src/librustdoc/passes/stripper.rs index 0d419042a..a9d768f01 100644 --- a/src/librustdoc/passes/stripper.rs +++ b/src/librustdoc/passes/stripper.rs @@ -14,17 +14,19 @@ pub(crate) struct Stripper<'a> { pub(crate) is_json_output: bool, } -impl<'a> Stripper<'a> { - // We need to handle this differently for the JSON output because some non exported items could - // be used in public API. And so, we need these items as well. `is_exported` only checks if they - // are in the public API, which is not enough. - #[inline] - fn is_item_reachable(&self, item_id: ItemId) -> bool { - if self.is_json_output { - self.access_levels.is_reachable(item_id.expect_def_id()) - } else { - self.access_levels.is_exported(item_id.expect_def_id()) - } +// We need to handle this differently for the JSON output because some non exported items could +// be used in public API. And so, we need these items as well. `is_exported` only checks if they +// are in the public API, which is not enough. +#[inline] +fn is_item_reachable( + is_json_output: bool, + access_levels: &AccessLevels<DefId>, + item_id: ItemId, +) -> bool { + if is_json_output { + access_levels.is_reachable(item_id.expect_def_id()) + } else { + access_levels.is_exported(item_id.expect_def_id()) } } @@ -61,7 +63,9 @@ impl<'a> DocFolder for Stripper<'a> { | clean::MacroItem(..) | clean::ForeignTypeItem => { let item_id = i.item_id; - if item_id.is_local() && !self.is_item_reachable(item_id) { + if item_id.is_local() + && !is_item_reachable(self.is_json_output, self.access_levels, item_id) + { debug!("Stripper: stripping {:?} {:?}", i.type_(), i.name); return None; } @@ -84,7 +88,17 @@ impl<'a> DocFolder for Stripper<'a> { } // handled in the `strip-priv-imports` pass - clean::ExternCrateItem { .. } | clean::ImportItem(..) => {} + clean::ExternCrateItem { .. } => {} + clean::ImportItem(ref imp) => { + // Because json doesn't inline imports from private modules, we need to mark + // the imported item as retained so it's impls won't be stripped. + // + // FIXME: Is it necessary to check for json output here: See + // https://github.com/rust-lang/rust/pull/100325#discussion_r941495215 + if let Some(did) = imp.source.did && self.is_json_output { + self.retained.insert(did.into()); + } + } clean::ImplItem(..) => {} @@ -133,6 +147,8 @@ impl<'a> DocFolder for Stripper<'a> { pub(crate) struct ImplStripper<'a> { pub(crate) retained: &'a ItemIdSet, pub(crate) cache: &'a Cache, + pub(crate) is_json_output: bool, + pub(crate) document_private: bool, } impl<'a> DocFolder for ImplStripper<'a> { @@ -140,8 +156,27 @@ impl<'a> DocFolder for ImplStripper<'a> { if let clean::ImplItem(ref imp) = *i.kind { // Impl blocks can be skipped if they are: empty; not a trait impl; and have no // documentation. - if imp.trait_.is_none() && imp.items.is_empty() && i.doc_value().is_none() { - return None; + // + // There is one special case: if the impl block contains only private items. + if imp.trait_.is_none() { + // If the only items present are private ones and we're not rendering private items, + // we don't document it. + if !imp.items.is_empty() + && !self.document_private + && imp.items.iter().all(|i| { + let item_id = i.item_id; + item_id.is_local() + && !is_item_reachable( + self.is_json_output, + &self.cache.access_levels, + item_id, + ) + }) + { + return None; + } else if imp.items.is_empty() && i.doc_value().is_none() { + return None; + } } if let Some(did) = imp.for_.def_id(self.cache) { if did.is_local() && !imp.for_.is_assoc_ty() && !self.retained.contains(&did.into()) diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 0d9684025..ca86ac89e 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -159,7 +159,7 @@ where return; } } - hir::ExprKind::MethodCall(path, _, call_span) => { + hir::ExprKind::MethodCall(path, _, _, call_span) => { let types = tcx.typeck(ex.hir_id.owner); let Some(def_id) = types.type_dependent_def_id(ex.hir_id) else { trace!("type_dependent_def_id({}) = None", ex.hir_id); diff --git a/src/librustdoc/theme.rs b/src/librustdoc/theme.rs index 0118d7dd2..e7a26cb34 100644 --- a/src/librustdoc/theme.rs +++ b/src/librustdoc/theme.rs @@ -1,271 +1,252 @@ -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::FxHashMap; +use std::collections::hash_map::Entry; use std::fs; -use std::hash::{Hash, Hasher}; +use std::iter::Peekable; use std::path::Path; +use std::str::Chars; use rustc_errors::Handler; #[cfg(test)] mod tests; -#[derive(Debug, Clone, Eq)] +#[derive(Debug)] pub(crate) struct CssPath { - pub(crate) name: String, - pub(crate) children: FxHashSet<CssPath>, -} - -// This PartialEq implementation IS NOT COMMUTATIVE!!! -// -// The order is very important: the second object must have all first's rules. -// However, the first is not required to have all of the second's rules. -impl PartialEq for CssPath { - fn eq(&self, other: &CssPath) -> bool { - if self.name != other.name { - false - } else { - for child in &self.children { - if !other.children.iter().any(|c| child == c) { - return false; - } - } - true + pub(crate) rules: FxHashMap<String, String>, + pub(crate) children: FxHashMap<String, CssPath>, +} + +/// When encountering a `"` or a `'`, returns the whole string, including the quote characters. +fn get_string(iter: &mut Peekable<Chars<'_>>, string_start: char, buffer: &mut String) { + buffer.push(string_start); + while let Some(c) = iter.next() { + buffer.push(c); + if c == '\\' { + iter.next(); + } else if c == string_start { + break; } } } -impl Hash for CssPath { - fn hash<H: Hasher>(&self, state: &mut H) { - self.name.hash(state); - for x in &self.children { - x.hash(state); +fn get_inside_paren( + iter: &mut Peekable<Chars<'_>>, + paren_start: char, + paren_end: char, + buffer: &mut String, +) { + buffer.push(paren_start); + while let Some(c) = iter.next() { + handle_common_chars(c, buffer, iter); + if c == paren_end { + break; } } } -impl CssPath { - fn new(name: String) -> CssPath { - CssPath { name, children: FxHashSet::default() } +/// Skips a `/*` comment. +fn skip_comment(iter: &mut Peekable<Chars<'_>>) { + while let Some(c) = iter.next() { + if c == '*' && iter.next() == Some('/') { + break; + } } } -/// All variants contain the position they occur. -#[derive(Debug, Clone, Copy)] -enum Events { - StartLineComment(usize), - StartComment(usize), - EndComment(usize), - InBlock(usize), - OutBlock(usize), -} - -impl Events { - fn get_pos(&self) -> usize { - match *self { - Events::StartLineComment(p) - | Events::StartComment(p) - | Events::EndComment(p) - | Events::InBlock(p) - | Events::OutBlock(p) => p, +/// Skips a line comment (`//`). +fn skip_line_comment(iter: &mut Peekable<Chars<'_>>) { + while let Some(c) = iter.next() { + if c == '\n' { + break; } } - - fn is_comment(&self) -> bool { - matches!( - self, - Events::StartLineComment(_) | Events::StartComment(_) | Events::EndComment(_) - ) - } } -fn previous_is_line_comment(events: &[Events]) -> bool { - matches!(events.last(), Some(&Events::StartLineComment(_))) -} - -fn is_line_comment(pos: usize, v: &[u8], events: &[Events]) -> bool { - if let Some(&Events::StartComment(_)) = events.last() { - return false; +fn handle_common_chars(c: char, buffer: &mut String, iter: &mut Peekable<Chars<'_>>) { + match c { + '"' | '\'' => get_string(iter, c, buffer), + '/' if iter.peek() == Some(&'*') => skip_comment(iter), + '/' if iter.peek() == Some(&'/') => skip_line_comment(iter), + '(' => get_inside_paren(iter, c, ')', buffer), + '[' => get_inside_paren(iter, c, ']', buffer), + _ => buffer.push(c), } - v[pos + 1] == b'/' } -fn load_css_events(v: &[u8]) -> Vec<Events> { - let mut pos = 0; - let mut events = Vec::with_capacity(100); - - while pos + 1 < v.len() { - match v[pos] { - b'/' if v[pos + 1] == b'*' => { - events.push(Events::StartComment(pos)); - pos += 1; - } - b'/' if is_line_comment(pos, v, &events) => { - events.push(Events::StartLineComment(pos)); - pos += 1; - } - b'\n' if previous_is_line_comment(&events) => { - events.push(Events::EndComment(pos)); - } - b'*' if v[pos + 1] == b'/' => { - events.push(Events::EndComment(pos + 2)); - pos += 1; - } - b'{' if !previous_is_line_comment(&events) => { - if let Some(&Events::StartComment(_)) = events.last() { - pos += 1; - continue; - } - events.push(Events::InBlock(pos + 1)); - } - b'}' if !previous_is_line_comment(&events) => { - if let Some(&Events::StartComment(_)) = events.last() { - pos += 1; - continue; - } - events.push(Events::OutBlock(pos + 1)); - } - _ => {} +/// Returns a CSS property name. Ends when encountering a `:` character. +/// +/// If the `:` character isn't found, returns `None`. +/// +/// If a `{` character is encountered, returns an error. +fn parse_property_name(iter: &mut Peekable<Chars<'_>>) -> Result<Option<String>, String> { + let mut content = String::new(); + + while let Some(c) = iter.next() { + match c { + ':' => return Ok(Some(content.trim().to_owned())), + '{' => return Err("Unexpected `{` in a `{}` block".to_owned()), + '}' => break, + _ => handle_common_chars(c, &mut content, iter), } - pos += 1; } - events -} - -fn get_useful_next(events: &[Events], pos: &mut usize) -> Option<Events> { - while *pos < events.len() { - if !events[*pos].is_comment() { - return Some(events[*pos]); + Ok(None) +} + +/// Try to get the value of a CSS property (the `#fff` in `color: #fff`). It'll stop when it +/// encounters a `{` or a `;` character. +/// +/// It returns the value string and a boolean set to `true` if the value is ended with a `}` because +/// it means that the parent block is done and that we should notify the parent caller. +fn parse_property_value(iter: &mut Peekable<Chars<'_>>) -> (String, bool) { + let mut value = String::new(); + let mut out_block = false; + + while let Some(c) = iter.next() { + match c { + ';' => break, + '}' => { + out_block = true; + break; + } + _ => handle_common_chars(c, &mut value, iter), } - *pos += 1; } - None + (value.trim().to_owned(), out_block) } -fn get_previous_positions(events: &[Events], mut pos: usize) -> Vec<usize> { - let mut ret = Vec::with_capacity(3); +/// This is used to parse inside a CSS `{}` block. If we encounter a new `{` inside it, we consider +/// it as a new block and therefore recurse into `parse_rules`. +fn parse_rules( + content: &str, + selector: String, + iter: &mut Peekable<Chars<'_>>, + paths: &mut FxHashMap<String, CssPath>, +) -> Result<(), String> { + let mut rules = FxHashMap::default(); + let mut children = FxHashMap::default(); - ret.push(events[pos].get_pos()); - if pos > 0 { - pos -= 1; - } loop { - if pos < 1 || !events[pos].is_comment() { - let x = events[pos].get_pos(); - if *ret.last().unwrap() != x { - ret.push(x); - } else { - ret.push(0); + // If the parent isn't a "normal" CSS selector, we only expect sub-selectors and not CSS + // properties. + if selector.starts_with('@') { + parse_selectors(content, iter, &mut children)?; + break; + } + let rule = match parse_property_name(iter)? { + Some(r) => { + if r.is_empty() { + return Err(format!("Found empty rule in selector `{selector}`")); + } + r + } + None => break, + }; + let (value, out_block) = parse_property_value(iter); + if value.is_empty() { + return Err(format!("Found empty value for rule `{rule}` in selector `{selector}`")); + } + match rules.entry(rule) { + Entry::Occupied(mut o) => { + *o.get_mut() = value; + } + Entry::Vacant(v) => { + v.insert(value); } + } + if out_block { break; } - ret.push(events[pos].get_pos()); - pos -= 1; - } - if ret.len() & 1 != 0 && events[pos].is_comment() { - ret.push(0); } - ret.iter().rev().cloned().collect() -} - -fn build_rule(v: &[u8], positions: &[usize]) -> String { - minifier::css::minify( - &positions - .chunks(2) - .map(|x| ::std::str::from_utf8(&v[x[0]..x[1]]).unwrap_or("")) - .collect::<String>() - .trim() - .chars() - .filter_map(|c| match c { - '\n' | '\t' => Some(' '), - '/' | '{' | '}' => None, - c => Some(c), - }) - .collect::<String>() - .split(' ') - .filter(|s| !s.is_empty()) - .intersperse(" ") - .collect::<String>(), - ) - .map(|css| css.to_string()) - .unwrap_or_else(|_| String::new()) -} - -fn inner(v: &[u8], events: &[Events], pos: &mut usize) -> FxHashSet<CssPath> { - let mut paths = Vec::with_capacity(50); - while *pos < events.len() { - if let Some(Events::OutBlock(_)) = get_useful_next(events, pos) { - *pos += 1; - break; + match paths.entry(selector) { + Entry::Occupied(mut o) => { + let v = o.get_mut(); + for (key, value) in rules.into_iter() { + v.rules.insert(key, value); + } + for (sel, child) in children.into_iter() { + v.children.insert(sel, child); + } } - if let Some(Events::InBlock(_)) = get_useful_next(events, pos) { - paths.push(CssPath::new(build_rule(v, &get_previous_positions(events, *pos)))); - *pos += 1; + Entry::Vacant(v) => { + v.insert(CssPath { rules, children }); } - while let Some(Events::InBlock(_)) = get_useful_next(events, pos) { - if let Some(ref mut path) = paths.last_mut() { - for entry in inner(v, events, pos).iter() { - path.children.insert(entry.clone()); - } + } + Ok(()) +} + +pub(crate) fn parse_selectors( + content: &str, + iter: &mut Peekable<Chars<'_>>, + paths: &mut FxHashMap<String, CssPath>, +) -> Result<(), String> { + let mut selector = String::new(); + + while let Some(c) = iter.next() { + match c { + '{' => { + let s = minifier::css::minify(selector.trim()).map(|s| s.to_string())?; + parse_rules(content, s, iter, paths)?; + selector.clear(); } - } - if let Some(Events::OutBlock(_)) = get_useful_next(events, pos) { - *pos += 1; + '}' => break, + ';' => selector.clear(), // We don't handle inline selectors like `@import`. + _ => handle_common_chars(c, &mut selector, iter), } } - paths.iter().cloned().collect() -} - -pub(crate) fn load_css_paths(v: &[u8]) -> CssPath { - let events = load_css_events(v); - let mut pos = 0; - - let mut parent = CssPath::new("parent".to_owned()); - parent.children = inner(v, &events, &mut pos); - parent -} - -pub(crate) fn get_differences(against: &CssPath, other: &CssPath, v: &mut Vec<String>) { - if against.name == other.name { - for child in &against.children { - let mut found = false; - let mut found_working = false; - let mut tmp = Vec::new(); - - for other_child in &other.children { - if child.name == other_child.name { - if child != other_child { - get_differences(child, other_child, &mut tmp); - } else { - found_working = true; + Ok(()) +} + +/// The entry point to parse the CSS rules. Every time we encounter a `{`, we then parse the rules +/// inside it. +pub(crate) fn load_css_paths(content: &str) -> Result<FxHashMap<String, CssPath>, String> { + let mut iter = content.chars().peekable(); + let mut paths = FxHashMap::default(); + + parse_selectors(content, &mut iter, &mut paths)?; + Ok(paths) +} + +pub(crate) fn get_differences( + origin: &FxHashMap<String, CssPath>, + against: &FxHashMap<String, CssPath>, + v: &mut Vec<String>, +) { + for (selector, entry) in origin.iter() { + match against.get(selector) { + Some(a) => { + get_differences(&entry.children, &a.children, v); + if selector == ":root" { + // We need to check that all variables have been set. + for rule in entry.rules.keys() { + if !a.rules.contains_key(rule) { + v.push(format!(" Missing CSS variable `{rule}` in `:root`")); + } } - found = true; - break; } } - if !found { - v.push(format!(" Missing \"{}\" rule", child.name)); - } else if !found_working { - v.extend(tmp.iter().cloned()); - } + None => v.push(format!(" Missing rule `{selector}`")), } } } pub(crate) fn test_theme_against<P: AsRef<Path>>( f: &P, - against: &CssPath, + origin: &FxHashMap<String, CssPath>, diag: &Handler, ) -> (bool, Vec<String>) { - let data = match fs::read(f) { + let against = match fs::read_to_string(f) + .map_err(|e| e.to_string()) + .and_then(|data| load_css_paths(&data)) + { Ok(c) => c, Err(e) => { - diag.struct_err(&e.to_string()).emit(); + diag.struct_err(&e).emit(); return (false, vec![]); } }; - let paths = load_css_paths(&data); let mut ret = vec![]; - get_differences(against, &paths, &mut ret); + get_differences(origin, &against, &mut ret); (true, ret) } diff --git a/src/librustdoc/theme/tests.rs b/src/librustdoc/theme/tests.rs index ae8f43c6d..08a174d27 100644 --- a/src/librustdoc/theme/tests.rs +++ b/src/librustdoc/theme/tests.rs @@ -44,11 +44,7 @@ rule j end {} "#; let mut ret = Vec::new(); - get_differences( - &load_css_paths(against.as_bytes()), - &load_css_paths(text.as_bytes()), - &mut ret, - ); + get_differences(&load_css_paths(against).unwrap(), &load_css_paths(text).unwrap(), &mut ret); assert!(ret.is_empty()); } @@ -61,46 +57,45 @@ a c // sdf d {} "#; - let paths = load_css_paths(text.as_bytes()); - assert!(paths.children.contains(&CssPath::new("a b c d".to_owned()))); + let paths = load_css_paths(text).unwrap(); + assert!(paths.contains_key(&"a b c d".to_owned())); } #[test] fn test_comparison() { - let x = r#" -a { - b { - c {} - } + let origin = r#" +@a { + b {} + c {} } "#; - let y = r#" -a { + let against = r#" +@a { b {} } "#; - let against = load_css_paths(y.as_bytes()); - let other = load_css_paths(x.as_bytes()); + let origin = load_css_paths(origin).unwrap(); + let against = load_css_paths(against).unwrap(); let mut ret = Vec::new(); - get_differences(&against, &other, &mut ret); + get_differences(&against, &origin, &mut ret); assert!(ret.is_empty()); - get_differences(&other, &against, &mut ret); - assert_eq!(ret, vec![" Missing \"c\" rule".to_owned()]); + get_differences(&origin, &against, &mut ret); + assert_eq!(ret, vec![" Missing rule `c`".to_owned()]); } #[test] fn check_empty_css() { - let events = load_css_events(&[]); - assert_eq!(events.len(), 0); + let paths = load_css_paths("").unwrap(); + assert_eq!(paths.len(), 0); } #[test] fn check_invalid_css() { - let events = load_css_events(b"*"); - assert_eq!(events.len(), 0); + let paths = load_css_paths("*").unwrap(); + assert_eq!(paths.len(), 0); } #[test] @@ -108,10 +103,85 @@ fn test_with_minification() { let text = include_str!("../html/static/css/themes/dark.css"); let minified = minifier::css::minify(&text).expect("CSS minification failed").to_string(); - let against = load_css_paths(text.as_bytes()); - let other = load_css_paths(minified.as_bytes()); + let against = load_css_paths(text).unwrap(); + let other = load_css_paths(&minified).unwrap(); + + let mut ret = Vec::new(); + get_differences(&against, &other, &mut ret); + assert!(ret.is_empty()); +} + +#[test] +fn test_media() { + let text = r#" +@media (min-width: 701px) { + a:hover { + color: #fff; + } + + b { + x: y; + } +} + +@media (max-width: 1001px) { + b { + x: y; + } +} +"#; + + let paths = load_css_paths(text).unwrap(); + let p = paths.get("@media (min-width:701px)"); + assert!(p.is_some()); + let p = p.unwrap(); + assert!(p.children.get("a:hover").is_some()); + assert!(p.children.get("b").is_some()); + + let p = paths.get("@media (max-width:1001px)"); + assert!(p.is_some()); + let p = p.unwrap(); + assert!(p.children.get("b").is_some()); +} + +#[test] +fn test_css_variables() { + let x = r#" +:root { + --a: #fff; +} +"#; + + let y = r#" +:root { + --a: #fff; + --b: #fff; +} +"#; + + let against = load_css_paths(x).unwrap(); + let other = load_css_paths(y).unwrap(); let mut ret = Vec::new(); get_differences(&against, &other, &mut ret); assert!(ret.is_empty()); + get_differences(&other, &against, &mut ret); + assert_eq!(ret, vec![" Missing CSS variable `--b` in `:root`".to_owned()]); +} + +#[test] +fn test_weird_rule_value() { + let x = r#" +a[text=("a")] { + b: url({;}.png); + c: #fff +} +"#; + + let paths = load_css_paths(&x).unwrap(); + let p = paths.get("a[text=(\"a\")]"); + assert!(p.is_some()); + let p = p.unwrap(); + assert_eq!(p.rules.get("b"), Some(&"url({;}.png)".to_owned())); + assert_eq!(p.rules.get("c"), Some(&"#fff".to_owned())); } diff --git a/src/librustdoc/visit.rs b/src/librustdoc/visit.rs index 0bb41977c..c40274394 100644 --- a/src/librustdoc/visit.rs +++ b/src/librustdoc/visit.rs @@ -20,7 +20,7 @@ pub(crate) trait DocVisitor: Sized { VariantItem(i) => match i { Variant::Struct(j) => j.fields.iter().for_each(|x| self.visit_item(x)), Variant::Tuple(fields) => fields.iter().for_each(|x| self.visit_item(x)), - Variant::CLike => {} + Variant::CLike(_) => {} }, ExternCrateItem { src: _ } | ImportItem(_) diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index ca7a20bf3..c27ac0ac4 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -164,8 +164,20 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { self.inside_public_path &= self.cx.tcx.visibility(def_id).is_public(); for &i in m.item_ids { let item = self.cx.tcx.hir().item(i); + if matches!(item.kind, hir::ItemKind::Use(_, hir::UseKind::Glob)) { + continue; + } self.visit_item(item, None, &mut om); } + for &i in m.item_ids { + let item = self.cx.tcx.hir().item(i); + // To match the way import precedence works, visit glob imports last. + // Later passes in rustdoc will de-duplicate by name and kind, so if glob- + // imported items appear last, then they'll be the ones that get discarded. + if matches!(item.kind, hir::ItemKind::Use(_, hir::UseKind::Glob)) { + self.visit_item(item, None, &mut om); + } + } self.inside_public_path = orig_inside_public_path; om } |
