Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_def/src/data.rs')
| -rw-r--r-- | crates/hir_def/src/data.rs | 96 |
1 files changed, 64 insertions, 32 deletions
diff --git a/crates/hir_def/src/data.rs b/crates/hir_def/src/data.rs index 753084fb4b..471c7330d7 100644 --- a/crates/hir_def/src/data.rs +++ b/crates/hir_def/src/data.rs @@ -2,7 +2,7 @@ use std::sync::Arc; -use hir_expand::{name::Name, AstId, ExpandResult, InFile}; +use hir_expand::{name::Name, AstId, ExpandResult, InFile, MacroCallId}; use syntax::ast; use crate::{ @@ -184,6 +184,8 @@ pub struct TraitData { /// method calls to this trait's methods when the receiver is an array and the crate edition is /// 2015 or 2018. pub skip_array_during_method_dispatch: bool, + // box it as the vec is usually empty anyways + pub attribute_calls: Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>, } impl TraitData { @@ -207,15 +209,8 @@ impl TraitData { .by_key("rustc_skip_array_during_method_dispatch") .exists(); - let items = collect_items( - db, - module_id, - &mut expander, - tr_def.items.iter().copied(), - tr_loc.id.tree_id(), - container, - 100, - ); + let (items, attribute_calls) = + do_collect(db, module_id, &mut expander, &tr_def.items, tr_loc.id.tree_id(), container); Arc::new(TraitData { name, @@ -224,6 +219,7 @@ impl TraitData { is_unsafe, visibility, skip_array_during_method_dispatch, + attribute_calls, }) } @@ -247,6 +243,10 @@ impl TraitData { _ => None, }) } + + pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { + self.attribute_calls.iter().flat_map(|it| it.iter()).copied() + } } #[derive(Debug, Clone, PartialEq, Eq)] @@ -255,6 +255,8 @@ pub struct ImplData { pub self_ty: Interned<TypeRef>, pub items: Vec<AssocItemId>, pub is_negative: bool, + // box it as the vec is usually empty anyways + pub attribute_calls: Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>, } impl ImplData { @@ -271,18 +273,21 @@ impl ImplData { let container = ItemContainerId::ImplId(id); let mut expander = Expander::new(db, impl_loc.id.file_id(), module_id); - let items = collect_items( + let (items, attribute_calls) = do_collect( db, module_id, &mut expander, - impl_def.items.iter().copied(), + &impl_def.items, impl_loc.id.tree_id(), container, - 100, ); let items = items.into_iter().map(|(_, item)| item).collect(); - Arc::new(ImplData { target_trait, self_ty, items, is_negative }) + Arc::new(ImplData { target_trait, self_ty, items, is_negative, attribute_calls }) + } + + pub fn attribute_calls(&self) -> impl Iterator<Item = (AstId<ast::Item>, MacroCallId)> + '_ { + self.attribute_calls.iter().flat_map(|it| it.iter()).copied() } } @@ -333,17 +338,47 @@ impl StaticData { } } +fn do_collect( + db: &dyn DefDatabase, + module_id: ModuleId, + expander: &mut Expander, + assoc_items: &[AssocItem], + tree_id: item_tree::TreeId, + container: ItemContainerId, +) -> (Vec<(Name, AssocItemId)>, Option<Box<Vec<(AstId<ast::Item>, MacroCallId)>>>) { + let mut items = Vec::new(); + let mut attribute_calls = Vec::new(); + + collect_items( + db, + &mut items, + &mut attribute_calls, + module_id, + expander, + assoc_items.iter().copied(), + tree_id, + container, + 100, + ); + + let attribute_calls = + if attribute_calls.is_empty() { None } else { Some(Box::new(attribute_calls)) }; + (items, attribute_calls) +} + fn collect_items( db: &dyn DefDatabase, + items: &mut Vec<(Name, AssocItemId)>, + attr_calls: &mut Vec<(AstId<ast::Item>, MacroCallId)>, module: ModuleId, expander: &mut Expander, assoc_items: impl Iterator<Item = AssocItem>, tree_id: item_tree::TreeId, container: ItemContainerId, limit: usize, -) -> Vec<(Name, AssocItemId)> { +) { if limit == 0 { - return Vec::new(); + return; } let item_tree = tree_id.item_tree(db); @@ -351,7 +386,6 @@ fn collect_items( let cfg_options = &crate_graph[module.krate].cfg_options; let def_map = module.def_map(db); - let mut items = Vec::new(); 'items: for item in assoc_items { let attrs = item_tree.attrs(db, module.krate, ModItem::from(item).into()); if !attrs.is_cfg_enabled(cfg_options) { @@ -359,15 +393,15 @@ fn collect_items( } for attr in &*attrs { - let ast_id = AstIdWithPath { - path: (*attr.path).clone(), - ast_id: AstId::new(expander.current_file_id(), item.ast_id(&item_tree).upcast()), - }; + let ast_id = AstId::new(expander.current_file_id(), item.ast_id(&item_tree).upcast()); + let ast_id_with_path = AstIdWithPath { path: (*attr.path).clone(), ast_id }; + if let Ok(ResolvedAttr::Macro(call_id)) = - def_map.resolve_attr_macro(db, module.local_id, ast_id, attr) + def_map.resolve_attr_macro(db, module.local_id, ast_id_with_path, attr) { + attr_calls.push((ast_id, call_id)); let res = expander.enter_expand_id(db, call_id); - items.extend(collect_macro_items(db, module, expander, container, limit, res)); + collect_macro_items(db, items, attr_calls, module, expander, container, limit, res); continue 'items; } } @@ -401,34 +435,32 @@ fn collect_items( let res = expander.enter_expand(db, call); if let Ok(res) = res { - items.extend(collect_macro_items(db, module, expander, container, limit, res)); + collect_macro_items( + db, items, attr_calls, module, expander, container, limit, res, + ); } } } } - - items } fn collect_macro_items( db: &dyn DefDatabase, + items: &mut Vec<(Name, AssocItemId)>, + attr_calls: &mut Vec<(AstId<ast::Item>, MacroCallId)>, module: ModuleId, expander: &mut Expander, container: ItemContainerId, limit: usize, res: ExpandResult<Option<(Mark, ast::MacroItems)>>, -) -> Vec<(Name, AssocItemId)> { +) { if let Some((mark, mac)) = res.value { let src: InFile<ast::MacroItems> = expander.to_source(mac); let tree_id = item_tree::TreeId::new(src.file_id, None); let item_tree = tree_id.item_tree(db); let iter = item_tree.top_level_items().iter().filter_map(ModItem::as_assoc_item); - let items = collect_items(db, module, expander, iter, tree_id, container, limit - 1); + collect_items(db, items, attr_calls, module, expander, iter, tree_id, container, limit - 1); expander.exit(db, mark); - - return items; } - - Vec::new() } |