diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bootstrap/defaults/config.library.toml | 3 | ||||
| -rw-r--r-- | src/bootstrap/defaults/config.tools.toml | 2 | ||||
| -rw-r--r-- | src/bootstrap/src/utils/change_tracker.rs | 5 | ||||
| -rw-r--r-- | src/librustdoc/passes/propagate_stability.rs | 74 |
4 files changed, 66 insertions, 18 deletions
diff --git a/src/bootstrap/defaults/config.library.toml b/src/bootstrap/defaults/config.library.toml index 5447565a4b0..3d697be8156 100644 --- a/src/bootstrap/defaults/config.library.toml +++ b/src/bootstrap/defaults/config.library.toml @@ -8,6 +8,9 @@ bench-stage = 0 [rust] # This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. incremental = true +# Download rustc from CI instead of building it from source. +# For stage > 1 builds, this cuts compile times significantly when there are no changes on "compiler" tree. +download-rustc = "if-unchanged" # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. lto = "off" diff --git a/src/bootstrap/defaults/config.tools.toml b/src/bootstrap/defaults/config.tools.toml index efb56996bcd..27c1d1cf26d 100644 --- a/src/bootstrap/defaults/config.tools.toml +++ b/src/bootstrap/defaults/config.tools.toml @@ -4,7 +4,7 @@ # This greatly increases the speed of rebuilds, especially when there are only minor changes. However, it makes the initial build slightly slower. incremental = true # Download rustc from CI instead of building it from source. -# This cuts compile times by almost 60x, but means you can't modify the compiler. +# For stage > 1 builds, this cuts compile times significantly when there are no changes on "compiler" tree. # Using these defaults will download the stage2 compiler (see `download-rustc` # setting) and the stage2 toolchain should therefore be used for these defaults. download-rustc = "if-unchanged" diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index b9cf8f05316..0915ec15a2f 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -290,4 +290,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Info, summary: "New option `llvm.offload` to control whether the llvm offload runtime for GPU support is built. Implicitly enables the openmp runtime as dependency.", }, + ChangeInfo { + change_id: 132494, + severity: ChangeSeverity::Info, + summary: "`download-rustc='if-unchanged'` is now a default option for library profile.", + }, ]; diff --git a/src/librustdoc/passes/propagate_stability.rs b/src/librustdoc/passes/propagate_stability.rs index f55479687f8..a28487cc79e 100644 --- a/src/librustdoc/passes/propagate_stability.rs +++ b/src/librustdoc/passes/propagate_stability.rs @@ -9,7 +9,7 @@ use rustc_attr::{Stability, StabilityLevel}; use rustc_hir::def_id::CRATE_DEF_ID; -use crate::clean::{Crate, Item, ItemId}; +use crate::clean::{Crate, Item, ItemId, ItemKind}; use crate::core::DocContext; use crate::fold::DocFolder; use crate::passes::Pass; @@ -38,22 +38,45 @@ impl<'a, 'tcx> DocFolder for StabilityPropagator<'a, 'tcx> { ItemId::DefId(def_id) => { let own_stability = self.cx.tcx.lookup_stability(def_id); - // If any of the item's parents was stabilized later or is still unstable, - // then use the parent's stability instead. - if let Some(own_stab) = own_stability - && let StabilityLevel::Stable { - since: own_since, - allowed_through_unstable_modules: false, - } = own_stab.level - && let Some(parent_stab) = parent_stability - && (parent_stab.is_unstable() - || parent_stab - .stable_since() - .is_some_and(|parent_since| parent_since > own_since)) - { - parent_stability - } else { - own_stability + let (ItemKind::StrippedItem(box kind) | kind) = &item.kind; + match kind { + ItemKind::ExternCrateItem { .. } + | ItemKind::ImportItem(..) + | ItemKind::StructItem(..) + | ItemKind::UnionItem(..) + | ItemKind::EnumItem(..) + | ItemKind::FunctionItem(..) + | ItemKind::ModuleItem(..) + | ItemKind::TypeAliasItem(..) + | ItemKind::StaticItem(..) + | ItemKind::TraitItem(..) + | ItemKind::TraitAliasItem(..) + | ItemKind::StructFieldItem(..) + | ItemKind::VariantItem(..) + | ItemKind::ForeignFunctionItem(..) + | ItemKind::ForeignStaticItem(..) + | ItemKind::ForeignTypeItem + | ItemKind::MacroItem(..) + | ItemKind::ProcMacroItem(..) + | ItemKind::ConstantItem(..) => { + // If any of the item's parents was stabilized later or is still unstable, + // then use the parent's stability instead. + merge_stability(own_stability, parent_stability) + } + + // Don't inherit the parent's stability for these items, because they + // are potentially accessible even if the parent is more unstable. + ItemKind::ImplItem(..) + | ItemKind::TyMethodItem(..) + | ItemKind::MethodItem(..) + | ItemKind::TyAssocConstItem(..) + | ItemKind::AssocConstItem(..) + | ItemKind::TyAssocTypeItem(..) + | ItemKind::AssocTypeItem(..) + | ItemKind::PrimitiveItem(..) + | ItemKind::KeywordItem => own_stability, + + ItemKind::StrippedItem(..) => unreachable!(), } } ItemId::Auto { .. } | ItemId::Blanket { .. } => { @@ -70,3 +93,20 @@ impl<'a, 'tcx> DocFolder for StabilityPropagator<'a, 'tcx> { Some(item) } } + +fn merge_stability( + own_stability: Option<Stability>, + parent_stability: Option<Stability>, +) -> Option<Stability> { + if let Some(own_stab) = own_stability + && let StabilityLevel::Stable { since: own_since, allowed_through_unstable_modules: false } = + own_stab.level + && let Some(parent_stab) = parent_stability + && (parent_stab.is_unstable() + || parent_stab.stable_since().is_some_and(|parent_since| parent_since > own_since)) + { + parent_stability + } else { + own_stability + } +} |