Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir/src/attrs.rs')
| -rw-r--r-- | crates/hir/src/attrs.rs | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/crates/hir/src/attrs.rs b/crates/hir/src/attrs.rs index cf8db2a5a2..0f2fb2c811 100644 --- a/crates/hir/src/attrs.rs +++ b/crates/hir/src/attrs.rs @@ -12,9 +12,9 @@ use hir_ty::db::HirDatabase; use syntax::{ast, AstNode}; use crate::{ - Adt, AssocItem, Const, ConstParam, Enum, Field, Function, GenericParam, Impl, LifetimeParam, - Macro, Module, ModuleDef, Static, Struct, Trait, TraitAlias, TypeAlias, TypeParam, Union, - Variant, + Adt, AssocItem, Const, ConstParam, Enum, ExternCrateDecl, Field, Function, GenericParam, Impl, + LifetimeParam, Macro, Module, ModuleDef, Static, Struct, Trait, TraitAlias, TypeAlias, + TypeParam, Union, Variant, }; pub trait HasAttrs { @@ -120,6 +120,39 @@ impl HasAttrs for AssocItem { } } +impl HasAttrs for ExternCrateDecl { + fn attrs(self, db: &dyn HirDatabase) -> AttrsWithOwner { + let def = AttrDefId::ExternCrateId(self.into()); + db.attrs_with_owner(def) + } + fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> { + let crate_docs = self.resolved_crate(db)?.root_module().attrs(db).docs().map(String::from); + let def = AttrDefId::ExternCrateId(self.into()); + let decl_docs = db.attrs(def).docs().map(String::from); + match (decl_docs, crate_docs) { + (None, None) => None, + (Some(decl_docs), None) => Some(decl_docs), + (None, Some(crate_docs)) => Some(crate_docs), + (Some(mut decl_docs), Some(crate_docs)) => { + decl_docs.push('\n'); + decl_docs.push('\n'); + decl_docs += &crate_docs; + Some(decl_docs) + } + } + .map(Documentation::new) + } + fn resolve_doc_path( + self, + db: &dyn HirDatabase, + link: &str, + ns: Option<Namespace>, + ) -> Option<ModuleDef> { + let def = AttrDefId::ExternCrateId(self.into()); + resolve_doc_path(db, def, link, ns).map(ModuleDef::from) + } +} + /// Resolves the item `link` points to in the scope of `def`. fn resolve_doc_path( db: &dyn HirDatabase, @@ -140,6 +173,7 @@ fn resolve_doc_path( AttrDefId::TypeAliasId(it) => it.resolver(db.upcast()), AttrDefId::ImplId(it) => it.resolver(db.upcast()), AttrDefId::ExternBlockId(it) => it.resolver(db.upcast()), + AttrDefId::UseId(it) => it.resolver(db.upcast()), AttrDefId::MacroId(it) => it.resolver(db.upcast()), AttrDefId::ExternCrateId(it) => it.resolver(db.upcast()), AttrDefId::GenericParamId(it) => match it { |