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Diffstat (limited to 'crates/hir-def/src/generics.rs')
| -rw-r--r-- | crates/hir-def/src/generics.rs | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/crates/hir-def/src/generics.rs b/crates/hir-def/src/generics.rs index 6fe429c8d9..b0fb27e81d 100644 --- a/crates/hir-def/src/generics.rs +++ b/crates/hir-def/src/generics.rs @@ -21,7 +21,7 @@ use crate::{ db::DefDatabase, dyn_map::{keys, DynMap}, expander::Expander, - item_tree::ItemTree, + item_tree::{AttrOwner, ItemTree}, lower::LowerCtx, nameres::{DefMap, MacroSubNs}, src::{HasChildSource, HasSource}, @@ -215,9 +215,14 @@ impl GenericParams { } } - pub(crate) fn fill(&mut self, lower_ctx: &LowerCtx<'_>, node: &dyn HasGenericParams) { + pub(crate) fn fill( + &mut self, + lower_ctx: &LowerCtx<'_>, + node: &dyn HasGenericParams, + add_param_attrs: impl FnMut(AttrOwner, ast::GenericParam), + ) { if let Some(params) = node.generic_param_list() { - self.fill_params(lower_ctx, params) + self.fill_params(lower_ctx, params, add_param_attrs) } if let Some(where_clause) = node.where_clause() { self.fill_where_predicates(lower_ctx, where_clause); @@ -235,7 +240,12 @@ impl GenericParams { } } - fn fill_params(&mut self, lower_ctx: &LowerCtx<'_>, params: ast::GenericParamList) { + fn fill_params( + &mut self, + lower_ctx: &LowerCtx<'_>, + params: ast::GenericParamList, + mut add_param_attrs: impl FnMut(AttrOwner, ast::GenericParam), + ) { for type_or_const_param in params.type_or_const_params() { match type_or_const_param { ast::TypeOrConstParam::Type(type_param) => { @@ -249,13 +259,14 @@ impl GenericParams { default, provenance: TypeParamProvenance::TypeParamList, }; - self.type_or_consts.alloc(param.into()); + let idx = self.type_or_consts.alloc(param.into()); let type_ref = TypeRef::Path(name.into()); self.fill_bounds( lower_ctx, type_param.type_bound_list(), Either::Left(type_ref), ); + add_param_attrs(idx.into(), ast::GenericParam::TypeParam(type_param)); } ast::TypeOrConstParam::Const(const_param) => { let name = const_param.name().map_or_else(Name::missing, |it| it.as_name()); @@ -267,7 +278,8 @@ impl GenericParams { ty: Interned::new(ty), has_default: const_param.default_val().is_some(), }; - self.type_or_consts.alloc(param.into()); + let idx = self.type_or_consts.alloc(param.into()); + add_param_attrs(idx.into(), ast::GenericParam::ConstParam(const_param)); } } } @@ -275,13 +287,14 @@ impl GenericParams { let name = lifetime_param.lifetime().map_or_else(Name::missing, |lt| Name::new_lifetime(<)); let param = LifetimeParamData { name: name.clone() }; - self.lifetimes.alloc(param); + let idx = self.lifetimes.alloc(param); let lifetime_ref = LifetimeRef::new_name(name); self.fill_bounds( lower_ctx, lifetime_param.type_bound_list(), Either::Right(lifetime_ref), ); + add_param_attrs(idx.into(), ast::GenericParam::LifetimeParam(lifetime_param)); } } |