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Switch rustdoc from clean::Stability to rustc_attr::Stability #77817

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Oct 14, 2020
Merged

Switch rustdoc from clean::Stability to rustc_attr::Stability #77817

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cc0d140
Switch rustdoc from `clean::Stability` to `rustc_attr::Stability`
jyn514 Oct 11, 2020
85c0479
Remove unnecessary Clean impl
jyn514 Oct 11, 2020
96b0446
Move `PartialOrd` impl out of rustc
jyn514 Oct 11, 2020
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2 changes: 1 addition & 1 deletion compiler/rustc_attr/src/builtin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ pub struct ConstStability {
}

/// The available stability levels.
#[derive(Encodable, Decodable, PartialEq, PartialOrd, Copy, Clone, Debug, Eq, Hash)]
#[derive(Encodable, Decodable, PartialEq, Copy, Clone, Debug, Eq, Hash)]
#[derive(HashStable_Generic)]
pub enum StabilityLevel {
// Reason for the current stability level and the relevant rust-lang issue
Expand Down
4 changes: 2 additions & 2 deletions src/librustdoc/clean/inline.rs
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Expand Up @@ -130,7 +130,7 @@ pub fn try_inline(
attrs,
inner,
visibility: clean::Public,
stability: cx.tcx.lookup_stability(did).clean(cx),
stability: cx.tcx.lookup_stability(did).cloned(),
deprecation: cx.tcx.lookup_deprecation(did).clean(cx),
def_id: did,
});
Expand Down Expand Up @@ -461,7 +461,7 @@ pub fn build_impl(
name: None,
attrs,
visibility: clean::Inherited,
stability: tcx.lookup_stability(did).clean(cx),
stability: tcx.lookup_stability(did).cloned(),
deprecation: tcx.lookup_deprecation(did).clean(cx),
def_id: did,
});
Expand Down
54 changes: 16 additions & 38 deletions src/librustdoc/clean/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ use rustc_index::vec::{Idx, IndexVec};
use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData};
use rustc_middle::bug;
use rustc_middle::middle::resolve_lifetime as rl;
use rustc_middle::middle::stability;
use rustc_middle::ty::fold::TypeFolder;
use rustc_middle::ty::subst::{InternalSubsts, Subst};
use rustc_middle::ty::{self, AdtKind, Lift, Ty, TyCtxt};
Expand Down Expand Up @@ -274,7 +273,7 @@ impl Clean<Item> for doctree::Module<'_> {
attrs,
source: span.clean(cx),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
inner: ModuleItem(Module { is_crate: self.is_crate, items }),
Expand Down Expand Up @@ -914,7 +913,7 @@ impl Clean<Item> for doctree::Function<'_> {
attrs: self.attrs.clean(cx),
source: self.span.clean(cx),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
def_id: did.to_def_id(),
inner: FunctionItem(Function {
Expand Down Expand Up @@ -1023,7 +1022,7 @@ impl Clean<Item> for doctree::Trait<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: TraitItem(Trait {
auto: self.is_auto.clean(cx),
Expand All @@ -1047,7 +1046,7 @@ impl Clean<Item> for doctree::TraitAlias<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: TraitAliasItem(TraitAlias {
generics: self.generics.clean(cx),
Expand Down Expand Up @@ -1832,7 +1831,7 @@ impl Clean<Item> for doctree::Struct<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: StructItem(Struct {
struct_type: self.struct_type,
Expand All @@ -1852,7 +1851,7 @@ impl Clean<Item> for doctree::Union<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: UnionItem(Union {
struct_type: self.struct_type,
Expand Down Expand Up @@ -1882,7 +1881,7 @@ impl Clean<Item> for doctree::Enum<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: EnumItem(Enum {
variants: self.variants.iter().map(|v| v.clean(cx)).collect(),
Expand All @@ -1900,7 +1899,7 @@ impl Clean<Item> for doctree::Variant<'_> {
attrs: self.attrs.clean(cx),
source: self.span.clean(cx),
visibility: Inherited,
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
inner: VariantItem(Variant { kind: self.def.clean(cx) }),
Expand Down Expand Up @@ -2049,7 +2048,7 @@ impl Clean<Item> for doctree::Typedef<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: TypedefItem(Typedef { type_, generics: self.gen.clean(cx), item_type }, false),
}
Expand All @@ -2064,7 +2063,7 @@ impl Clean<Item> for doctree::OpaqueTy<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: OpaqueTyItem(OpaqueTy {
bounds: self.opaque_ty.bounds.clean(cx),
Expand Down Expand Up @@ -2092,7 +2091,7 @@ impl Clean<Item> for doctree::Static<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: StaticItem(Static {
type_: self.type_.clean(cx),
Expand All @@ -2113,7 +2112,7 @@ impl Clean<Item> for doctree::Constant<'_> {
source: self.span.clean(cx),
def_id: def_id.to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: ConstantItem(Constant {
type_: self.type_.clean(cx),
Expand Down Expand Up @@ -2167,7 +2166,7 @@ impl Clean<Vec<Item>> for doctree::Impl<'_> {
source: self.span.clean(cx),
def_id: def_id.to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner: ImplItem(Impl {
unsafety: self.unsafety,
Expand Down Expand Up @@ -2349,7 +2348,7 @@ impl Clean<Item> for doctree::ForeignItem<'_> {
source: self.span.clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
visibility: self.vis.clean(cx),
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
inner,
}
Expand All @@ -2364,7 +2363,7 @@ impl Clean<Item> for doctree::Macro<'_> {
attrs: self.attrs.clean(cx),
source: self.span.clean(cx),
visibility: Public,
stability: cx.stability(self.hid).clean(cx),
stability: cx.stability(self.hid),
deprecation: cx.deprecation(self.hid).clean(cx),
def_id: self.def_id,
inner: MacroItem(Macro {
Expand All @@ -2389,35 +2388,14 @@ impl Clean<Item> for doctree::ProcMacro<'_> {
attrs: self.attrs.clean(cx),
source: self.span.clean(cx),
visibility: Public,
stability: cx.stability(self.id).clean(cx),
stability: cx.stability(self.id),
deprecation: cx.deprecation(self.id).clean(cx),
def_id: cx.tcx.hir().local_def_id(self.id).to_def_id(),
inner: ProcMacroItem(ProcMacro { kind: self.kind, helpers: self.helpers.clean(cx) }),
}
}
}

impl Clean<Stability> for attr::Stability {
fn clean(&self, _: &DocContext<'_>) -> Stability {
Stability {
level: stability::StabilityLevel::from_attr_level(&self.level),
feature: self.feature.to_string(),
since: match self.level {
attr::Stable { ref since } => since.to_string(),
_ => String::new(),
},
unstable_reason: match self.level {
attr::Unstable { reason: Some(ref reason), .. } => Some(reason.to_string()),
_ => None,
},
issue: match self.level {
attr::Unstable { issue, .. } => issue,
_ => None,
},
}
}
}

impl Clean<Deprecation> for attr::Deprecation {
fn clean(&self, _: &DocContext<'_>) -> Deprecation {
Deprecation {
Expand Down
23 changes: 8 additions & 15 deletions src/librustdoc/clean/types.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@ use std::fmt;
use std::hash::{Hash, Hasher};
use std::iter::FromIterator;
use std::lazy::SyncOnceCell as OnceCell;
use std::num::NonZeroU32;
use std::rc::Rc;
use std::sync::Arc;
use std::{slice, vec};
Expand All @@ -13,18 +12,18 @@ use rustc_ast::attr;
use rustc_ast::util::comments::beautify_doc_string;
use rustc_ast::{self as ast, AttrStyle};
use rustc_ast::{FloatTy, IntTy, UintTy};
use rustc_attr::{Stability, StabilityLevel};
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_hir as hir;
use rustc_hir::def::Res;
use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc_hir::lang_items::LangItem;
use rustc_hir::Mutability;
use rustc_index::vec::IndexVec;
use rustc_middle::middle::stability;
use rustc_middle::ty::{AssocKind, TyCtxt};
use rustc_span::hygiene::MacroKind;
use rustc_span::source_map::DUMMY_SP;
use rustc_span::symbol::{kw, sym, Ident, Symbol};
use rustc_span::symbol::{kw, sym, Ident, Symbol, SymbolStr};
use rustc_span::{self, FileName};
use rustc_target::abi::VariantIdx;
use rustc_target::spec::abi::Abi;
Expand Down Expand Up @@ -197,7 +196,7 @@ impl Item {
self.stability.as_ref().and_then(|ref s| {
let mut classes = Vec::with_capacity(2);

if s.level == stability::Unstable {
if s.level.is_unstable() {
classes.push("unstable");
}

Expand All @@ -210,8 +209,11 @@ impl Item {
})
}

pub fn stable_since(&self) -> Option<&str> {
self.stability.as_ref().map(|s| &s.since[..])
pub fn stable_since(&self) -> Option<SymbolStr> {
match self.stability?.level {
StabilityLevel::Stable { since, .. } => Some(since.as_str()),
StabilityLevel::Unstable { .. } => None,
}
}

pub fn is_non_exhaustive(&self) -> bool {
Expand Down Expand Up @@ -1719,15 +1721,6 @@ pub struct ProcMacro {
pub helpers: Vec<String>,
}

#[derive(Clone, Debug)]
pub struct Stability {
pub level: stability::StabilityLevel,
pub feature: String,
pub since: String,
pub unstable_reason: Option<String>,
pub issue: Option<NonZeroU32>,
}

#[derive(Clone, Debug)]
pub struct Deprecation {
pub since: Option<String>,
Expand Down
7 changes: 4 additions & 3 deletions src/librustdoc/clean/utils.rs
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Expand Up @@ -3,12 +3,13 @@ use crate::clean::blanket_impl::BlanketImplFinder;
use crate::clean::{
inline, Clean, Crate, Deprecation, ExternalCrate, FnDecl, FnRetTy, Generic, GenericArg,
GenericArgs, GenericBound, Generics, GetDefId, ImportSource, Item, ItemEnum, Lifetime,
MacroKind, Path, PathSegment, Primitive, PrimitiveType, ResolvedPath, Span, Stability, Type,
TypeBinding, TypeKind, Visibility, WherePredicate,
MacroKind, Path, PathSegment, Primitive, PrimitiveType, ResolvedPath, Span, Type, TypeBinding,
TypeKind, Visibility, WherePredicate,
};
use crate::core::DocContext;

use itertools::Itertools;
use rustc_attr::Stability;
use rustc_data_structures::fx::FxHashSet;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
Expand Down Expand Up @@ -102,7 +103,7 @@ pub fn krate(mut cx: &mut DocContext<'_>) -> Crate {

// extract the stability index for a node from tcx, if possible
pub fn get_stability(cx: &DocContext<'_>, def_id: DefId) -> Option<Stability> {
cx.tcx.lookup_stability(def_id).clean(cx)
cx.tcx.lookup_stability(def_id).cloned()
}

pub fn get_deprecation(cx: &DocContext<'_>, def_id: DefId) -> Option<Deprecation> {
Expand Down
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