Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-def/src/lib.rs')
| -rw-r--r-- | crates/hir-def/src/lib.rs | 244 |
1 files changed, 153 insertions, 91 deletions
diff --git a/crates/hir-def/src/lib.rs b/crates/hir-def/src/lib.rs index ef4f538785..16e2f0532e 100644 --- a/crates/hir-def/src/lib.rs +++ b/crates/hir-def/src/lib.rs @@ -986,44 +986,88 @@ impl VariantId { } pub trait HasModule { + /// Returns the enclosing module this thing is defined within. fn module(&self, db: &dyn DefDatabase) -> ModuleId; + /// Returns the crate this thing is defined within. + #[inline] + #[doc(alias = "crate")] + fn krate(&self, db: &dyn DefDatabase) -> CrateId { + self.module(db).krate + } } -impl HasModule for ItemContainerId { +impl<N: ItemTreeModItemNode> HasModule for AssocItemLoc<N> { + #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { - match *self { - ItemContainerId::ModuleId(it) => it, - ItemContainerId::ImplId(it) => it.lookup(db).container, - ItemContainerId::TraitId(it) => it.lookup(db).container, - ItemContainerId::ExternBlockId(it) => it.lookup(db).container, - } + self.container.module(db) } } -impl<N: ItemTreeModItemNode> HasModule for AssocItemLoc<N> { +impl<N, ItemId> HasModule for ItemId +where + N: ItemTreeModItemNode, + ItemId: for<'db> Lookup<Database<'db> = dyn DefDatabase + 'db, Data = ItemLoc<N>> + Copy, +{ #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { - self.container.module(db) + self.lookup(db).container } } -impl HasModule for AdtId { +// Technically this does not overlap with the above, but rustc currently forbids this, hence why we +// need to write the 3 impls manually instead +// impl<N, ItemId> HasModule for ItemId +// where +// N: ItemTreeModItemNode, +// ItemId: for<'db> Lookup<Database<'db> = dyn DefDatabase + 'db, Data = AssocItemLoc<N>> + Copy, +// { +// #[inline] +// fn module(&self, db: &dyn DefDatabase) -> ModuleId { +// self.lookup(db).container.module(db) +// } +// } + +// region: manual-assoc-has-module-impls +#[inline] +fn module_for_assoc_item_loc<'db>( + db: &(dyn 'db + DefDatabase), + id: impl Lookup< + Database<'db> = dyn DefDatabase + 'db, + Data = AssocItemLoc<impl ItemTreeModItemNode>, + >, +) -> ModuleId { + id.lookup(db).container.module(db) +} + +impl HasModule for FunctionId { + #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { - match self { - AdtId::StructId(it) => it.lookup(db).container, - AdtId::UnionId(it) => it.lookup(db).container, - AdtId::EnumId(it) => it.lookup(db).container, - } + module_for_assoc_item_loc(db, *self) } } -impl HasModule for EnumId { +impl HasModule for ConstId { #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { - self.lookup(db).container + module_for_assoc_item_loc(db, *self) } } +impl HasModule for StaticId { + #[inline] + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + module_for_assoc_item_loc(db, *self) + } +} + +impl HasModule for TypeAliasId { + #[inline] + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + module_for_assoc_item_loc(db, *self) + } +} +// endregion: manual-assoc-has-module-impls + impl HasModule for EnumVariantId { #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { @@ -1031,46 +1075,81 @@ impl HasModule for EnumVariantId { } } -impl HasModule for ExternCrateId { +impl HasModule for MacroRulesId { #[inline] fn module(&self, db: &dyn DefDatabase) -> ModuleId { self.lookup(db).container } } +impl HasModule for Macro2Id { + #[inline] + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + self.lookup(db).container + } +} + +impl HasModule for ProcMacroId { + #[inline] + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + self.lookup(db).container.into() + } +} + +impl HasModule for ItemContainerId { + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + match *self { + ItemContainerId::ModuleId(it) => it, + ItemContainerId::ImplId(it) => it.module(db), + ItemContainerId::TraitId(it) => it.module(db), + ItemContainerId::ExternBlockId(it) => it.module(db), + } + } +} + +impl HasModule for AdtId { + fn module(&self, db: &dyn DefDatabase) -> ModuleId { + match *self { + AdtId::StructId(it) => it.module(db), + AdtId::UnionId(it) => it.module(db), + AdtId::EnumId(it) => it.module(db), + } + } +} + impl HasModule for VariantId { fn module(&self, db: &dyn DefDatabase) -> ModuleId { - match self { - VariantId::EnumVariantId(it) => it.lookup(db).parent.module(db), - VariantId::StructId(it) => it.lookup(db).container, - VariantId::UnionId(it) => it.lookup(db).container, + match *self { + VariantId::EnumVariantId(it) => it.module(db), + VariantId::StructId(it) => it.module(db), + VariantId::UnionId(it) => it.module(db), } } } impl HasModule for MacroId { fn module(&self, db: &dyn DefDatabase) -> ModuleId { - match self { - MacroId::MacroRulesId(it) => it.lookup(db).container, - MacroId::Macro2Id(it) => it.lookup(db).container, - MacroId::ProcMacroId(it) => it.lookup(db).container.into(), + match *self { + MacroId::MacroRulesId(it) => it.module(db), + MacroId::Macro2Id(it) => it.module(db), + MacroId::ProcMacroId(it) => it.module(db), } } } impl HasModule for TypeOwnerId { fn module(&self, db: &dyn DefDatabase) -> ModuleId { - match self { - TypeOwnerId::FunctionId(it) => it.lookup(db).module(db), - TypeOwnerId::StaticId(it) => it.lookup(db).module(db), - TypeOwnerId::ConstId(it) => it.lookup(db).module(db), - TypeOwnerId::InTypeConstId(it) => it.lookup(db).owner.module(db), + match *self { + TypeOwnerId::FunctionId(it) => it.module(db), + TypeOwnerId::StaticId(it) => it.module(db), + TypeOwnerId::ConstId(it) => it.module(db), TypeOwnerId::AdtId(it) => it.module(db), - TypeOwnerId::TraitId(it) => it.lookup(db).container, - TypeOwnerId::TraitAliasId(it) => it.lookup(db).container, - TypeOwnerId::TypeAliasId(it) => it.lookup(db).module(db), - TypeOwnerId::ImplId(it) => it.lookup(db).container, - TypeOwnerId::EnumVariantId(it) => it.lookup(db).parent.module(db), + TypeOwnerId::TraitId(it) => it.module(db), + TypeOwnerId::TraitAliasId(it) => it.module(db), + TypeOwnerId::TypeAliasId(it) => it.module(db), + TypeOwnerId::ImplId(it) => it.module(db), + TypeOwnerId::EnumVariantId(it) => it.module(db), + TypeOwnerId::InTypeConstId(it) => it.lookup(db).owner.module(db), } } } @@ -1078,10 +1157,10 @@ impl HasModule for TypeOwnerId { impl HasModule for DefWithBodyId { fn module(&self, db: &dyn DefDatabase) -> ModuleId { match self { - DefWithBodyId::FunctionId(it) => it.lookup(db).module(db), - DefWithBodyId::StaticId(it) => it.lookup(db).module(db), - DefWithBodyId::ConstId(it) => it.lookup(db).module(db), - DefWithBodyId::VariantId(it) => it.lookup(db).parent.module(db), + DefWithBodyId::FunctionId(it) => it.module(db), + DefWithBodyId::StaticId(it) => it.module(db), + DefWithBodyId::ConstId(it) => it.module(db), + DefWithBodyId::VariantId(it) => it.module(db), DefWithBodyId::InTypeConstId(it) => it.lookup(db).owner.module(db), } } @@ -1090,32 +1169,18 @@ impl HasModule for DefWithBodyId { impl HasModule for GenericDefId { fn module(&self, db: &dyn DefDatabase) -> ModuleId { match self { - GenericDefId::FunctionId(it) => it.lookup(db).module(db), + GenericDefId::FunctionId(it) => it.module(db), GenericDefId::AdtId(it) => it.module(db), - GenericDefId::TraitId(it) => it.lookup(db).container, - GenericDefId::TraitAliasId(it) => it.lookup(db).container, - GenericDefId::TypeAliasId(it) => it.lookup(db).module(db), - GenericDefId::ImplId(it) => it.lookup(db).container, - GenericDefId::EnumVariantId(it) => it.lookup(db).parent.lookup(db).container, - GenericDefId::ConstId(it) => it.lookup(db).module(db), + GenericDefId::TraitId(it) => it.module(db), + GenericDefId::TraitAliasId(it) => it.module(db), + GenericDefId::TypeAliasId(it) => it.module(db), + GenericDefId::ImplId(it) => it.module(db), + GenericDefId::EnumVariantId(it) => it.module(db), + GenericDefId::ConstId(it) => it.module(db), } } } -impl HasModule for TypeAliasId { - #[inline] - fn module(&self, db: &dyn DefDatabase) -> ModuleId { - self.lookup(db).module(db) - } -} - -impl HasModule for TraitId { - #[inline] - fn module(&self, db: &dyn DefDatabase) -> ModuleId { - self.lookup(db).container - } -} - impl ModuleDefId { /// Returns the module containing `self` (or `self`, if `self` is itself a module). /// @@ -1123,14 +1188,14 @@ impl ModuleDefId { pub fn module(&self, db: &dyn DefDatabase) -> Option<ModuleId> { Some(match self { ModuleDefId::ModuleId(id) => *id, - ModuleDefId::FunctionId(id) => id.lookup(db).module(db), + ModuleDefId::FunctionId(id) => id.module(db), ModuleDefId::AdtId(id) => id.module(db), - ModuleDefId::EnumVariantId(id) => id.lookup(db).parent.module(db), - ModuleDefId::ConstId(id) => id.lookup(db).container.module(db), - ModuleDefId::StaticId(id) => id.lookup(db).module(db), - ModuleDefId::TraitId(id) => id.lookup(db).container, - ModuleDefId::TraitAliasId(id) => id.lookup(db).container, - ModuleDefId::TypeAliasId(id) => id.lookup(db).module(db), + ModuleDefId::EnumVariantId(id) => id.module(db), + ModuleDefId::ConstId(id) => id.module(db), + ModuleDefId::StaticId(id) => id.module(db), + ModuleDefId::TraitId(id) => id.module(db), + ModuleDefId::TraitAliasId(id) => id.module(db), + ModuleDefId::TypeAliasId(id) => id.module(db), ModuleDefId::MacroId(id) => id.module(db), ModuleDefId::BuiltinType(_) => return None, }) @@ -1139,31 +1204,28 @@ impl ModuleDefId { impl AttrDefId { pub fn krate(&self, db: &dyn DefDatabase) -> CrateId { - match self { + match *self { AttrDefId::ModuleId(it) => it.krate, - AttrDefId::FieldId(it) => it.parent.module(db).krate, - AttrDefId::AdtId(it) => it.module(db).krate, - AttrDefId::FunctionId(it) => it.lookup(db).module(db).krate, - AttrDefId::EnumVariantId(it) => it.lookup(db).parent.module(db).krate, - AttrDefId::StaticId(it) => it.lookup(db).module(db).krate, - AttrDefId::ConstId(it) => it.lookup(db).module(db).krate, - AttrDefId::TraitId(it) => it.lookup(db).container.krate, - AttrDefId::TraitAliasId(it) => it.lookup(db).container.krate, - AttrDefId::TypeAliasId(it) => it.lookup(db).module(db).krate, - AttrDefId::ImplId(it) => it.lookup(db).container.krate, - AttrDefId::ExternBlockId(it) => it.lookup(db).container.krate, - AttrDefId::GenericParamId(it) => { - match it { - GenericParamId::TypeParamId(it) => it.parent(), - GenericParamId::ConstParamId(it) => it.parent(), - GenericParamId::LifetimeParamId(it) => it.parent, - } - .module(db) - .krate + AttrDefId::FieldId(it) => it.parent.krate(db), + AttrDefId::AdtId(it) => it.krate(db), + AttrDefId::FunctionId(it) => it.krate(db), + AttrDefId::EnumVariantId(it) => it.krate(db), + AttrDefId::StaticId(it) => it.krate(db), + AttrDefId::ConstId(it) => it.krate(db), + AttrDefId::TraitId(it) => it.krate(db), + AttrDefId::TraitAliasId(it) => it.krate(db), + AttrDefId::TypeAliasId(it) => it.krate(db), + AttrDefId::ImplId(it) => it.krate(db), + AttrDefId::ExternBlockId(it) => it.krate(db), + AttrDefId::GenericParamId(it) => match it { + GenericParamId::TypeParamId(it) => it.parent(), + GenericParamId::ConstParamId(it) => it.parent(), + GenericParamId::LifetimeParamId(it) => it.parent, } - AttrDefId::MacroId(it) => it.module(db).krate, - AttrDefId::ExternCrateId(it) => it.lookup(db).container.krate, - AttrDefId::UseId(it) => it.lookup(db).container.krate, + .krate(db), + AttrDefId::MacroId(it) => it.krate(db), + AttrDefId::ExternCrateId(it) => it.krate(db), + AttrDefId::UseId(it) => it.krate(db), } } } |