From f9417bcf49f531e0382afd405b9163f791f91c85 Mon Sep 17 00:00:00 2001 From: Jonas Schievink Date: Mon, 15 Jun 2020 19:16:02 +0200 Subject: Draw the rest of the owl --- crates/ra_hir_def/src/item_tree.rs | 135 +++++++++++++++++++++++++++++-------- 1 file changed, 108 insertions(+), 27 deletions(-) (limited to 'crates/ra_hir_def/src/item_tree.rs') diff --git a/crates/ra_hir_def/src/item_tree.rs b/crates/ra_hir_def/src/item_tree.rs index 9dee4f43d..71b415802 100644 --- a/crates/ra_hir_def/src/item_tree.rs +++ b/crates/ra_hir_def/src/item_tree.rs @@ -19,6 +19,7 @@ use crate::{ }; use ast::{AstNode, AttrsOwner, ModuleItemOwner, NameOwner, StructKind, TypeAscriptionOwner}; use either::Either; +use rustc_hash::FxHashMap; use smallvec::SmallVec; use std::{ ops::{Index, Range}, @@ -29,6 +30,10 @@ use std::{ #[derive(Debug, Default, Eq, PartialEq)] pub struct ItemTree { top_level: Vec, + top_attrs: Attrs, + attrs: FxHashMap, + empty_attrs: Attrs, + imports: Arena, functions: Arena, structs: Arena, @@ -48,12 +53,15 @@ pub struct ItemTree { impl ItemTree { pub fn item_tree_query(db: &dyn DefDatabase, file_id: HirFileId) -> Arc { + let _p = ra_prof::profile("item_tree_query"); let syntax = if let Some(node) = db.parse_or_expand(file_id) { node } else { return Default::default(); }; + let hygiene = Hygiene::new(db.upcast(), file_id); + let mut top_attrs = None; let (macro_storage, file_storage); let item_owner = match_ast! { match syntax { @@ -62,6 +70,7 @@ impl ItemTree { ¯o_storage as &dyn ModuleItemOwner }, ast::SourceFile(file) => { + top_attrs = Some(Attrs::new(&file, &hygiene)); file_storage = file; &file_storage }, @@ -70,13 +79,14 @@ impl ItemTree { }; let map = db.ast_id_map(file_id); - let ctx = Ctx { + let mut ctx = Ctx { tree: ItemTree::default(), - hygiene: Hygiene::new(db.upcast(), file_id), + hygiene, file: file_id, source_ast_id_map: map, body_ctx: crate::body::LowerCtx::new(db, file_id), }; + ctx.tree.top_attrs = top_attrs.unwrap_or_default(); Arc::new(ctx.lower(item_owner)) } @@ -85,6 +95,15 @@ impl ItemTree { pub fn top_level_items(&self) -> &[ModItem] { &self.top_level } + + /// Returns the inner attributes of the source file. + pub fn top_level_attrs(&self) -> &Attrs { + &self.top_attrs + } + + pub fn attrs(&self, of: ModItem) -> &Attrs { + self.attrs.get(&of).unwrap_or(&self.empty_attrs) + } } macro_rules! impl_index { @@ -140,7 +159,7 @@ pub struct Function { pub has_self_param: bool, pub params: Vec, pub ret_type: TypeRef, - pub ast: FileAstId, + pub ast_id: FileAstId, // FIXME inner items } @@ -151,7 +170,18 @@ pub struct Struct { pub visibility: RawVisibility, pub generic_params: generics::GenericParams, pub fields: Fields, - pub ast: FileAstId, + pub ast_id: FileAstId, + pub kind: StructDefKind, +} + +#[derive(Debug, Eq, PartialEq)] +pub enum StructDefKind { + /// `struct S { ... }` - type namespace only. + Record, + /// `struct S(...);` + Tuple, + /// `struct S;` + Unit, } #[derive(Debug, Eq, PartialEq)] @@ -161,6 +191,7 @@ pub struct Union { pub visibility: RawVisibility, pub generic_params: generics::GenericParams, pub fields: Fields, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] @@ -170,6 +201,7 @@ pub struct Enum { pub visibility: RawVisibility, pub generic_params: generics::GenericParams, pub variants: Range>, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] @@ -178,6 +210,7 @@ pub struct Const { pub name: Option, pub visibility: RawVisibility, pub type_ref: TypeRef, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] @@ -185,6 +218,7 @@ pub struct Static { pub name: Name, pub visibility: RawVisibility, pub type_ref: TypeRef, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] @@ -194,6 +228,7 @@ pub struct Trait { pub generic_params: generics::GenericParams, pub auto: bool, pub items: Vec, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] @@ -203,6 +238,7 @@ pub struct Impl { pub target_type: TypeRef, pub is_negative: bool, pub items: Vec, + pub ast_id: FileAstId, } #[derive(Debug, Clone, PartialEq, Eq)] @@ -211,24 +247,31 @@ pub struct TypeAlias { pub visibility: RawVisibility, pub generic_params: generics::GenericParams, pub type_ref: Option, + pub ast_id: FileAstId, } #[derive(Debug, Eq, PartialEq)] pub struct Mod { pub name: Name, pub visibility: RawVisibility, - pub items: Vec, + pub kind: ModKind, + pub ast_id: FileAstId, } +#[derive(Debug, Eq, PartialEq)] pub enum ModKind { + /// `mod m { ... }` Inline { items: Vec }, + /// `mod m;` Outline {}, } #[derive(Debug, Eq, PartialEq)] pub struct MacroCall { + /// For `macro_rules!` declarations, this is the name of the declared macro. pub name: Option, + /// Path to the called macro. pub path: ModPath, /// Has `#[macro_export]`. pub is_export: bool, @@ -256,7 +299,7 @@ macro_rules! impl_froms { } } -#[derive(Debug, Copy, Clone, Eq, PartialEq)] +#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)] pub enum ModItem { Import(Idx), Function(Idx), @@ -353,7 +396,8 @@ impl Ctx { } fn lower_mod_item(&mut self, item: &ast::ModuleItem) -> Option { - match item { + let attrs = Attrs::new(item, &self.hygiene); + let items = match item { ast::ModuleItem::StructDef(ast) => { self.lower_struct(ast).map(|data| self.tree.structs.alloc(data).into()) } @@ -406,7 +450,15 @@ impl Ctx { }) .collect::>(), )), + }; + + if !attrs.is_empty() { + for item in items.iter().flat_map(|items| &items.0) { + self.tree.attrs.insert(*item, attrs.clone()); + } } + + items } fn lower_assoc_item(&mut self, item: &ast::AssocItem) -> Option { @@ -430,8 +482,13 @@ impl Ctx { let name = strukt.name()?.as_name(); let generic_params = self.lower_generic_params(strukt); let fields = self.lower_fields(&strukt.kind()); - let ast = self.source_ast_id_map.ast_id(strukt); - let res = Struct { name, attrs, visibility, generic_params, fields, ast }; + let ast_id = self.source_ast_id_map.ast_id(strukt); + let kind = match strukt.kind() { + ast::StructKind::Record(_) => StructDefKind::Record, + ast::StructKind::Tuple(_) => StructDefKind::Tuple, + ast::StructKind::Unit => StructDefKind::Unit, + }; + let res = Struct { name, attrs, visibility, generic_params, fields, ast_id, kind }; Some(res) } @@ -498,7 +555,8 @@ impl Ctx { } None => Fields::Record(self.next_field_idx()..self.next_field_idx()), }; - let res = Union { name, attrs, visibility, generic_params, fields }; + let ast_id = self.source_ast_id_map.ast_id(union); + let res = Union { name, attrs, visibility, generic_params, fields, ast_id }; Some(res) } @@ -511,7 +569,8 @@ impl Ctx { Some(variant_list) => self.lower_variants(variant_list), None => self.next_variant_idx()..self.next_variant_idx(), }; - let res = Enum { name, attrs, visibility, generic_params, variants }; + let ast_id = self.source_ast_id_map.ast_id(enum_); + let res = Enum { name, attrs, visibility, generic_params, variants, ast_id }; Some(res) } @@ -578,7 +637,7 @@ impl Ctx { ret_type }; - let ast = self.source_ast_id_map.ast_id(func); + let ast_id = self.source_ast_id_map.ast_id(func); let res = Function { name, attrs, @@ -587,7 +646,7 @@ impl Ctx { has_self_param, params, ret_type, - ast, + ast_id, }; Some(res) } @@ -597,7 +656,8 @@ impl Ctx { let type_ref = type_alias.type_ref().map(|it| self.lower_type_ref(&it)); let visibility = self.lower_visibility(type_alias); let generic_params = self.lower_generic_params(type_alias); - let res = TypeAlias { name, visibility, generic_params, type_ref }; + let ast_id = self.source_ast_id_map.ast_id(type_alias); + let res = TypeAlias { name, visibility, generic_params, type_ref, ast_id }; Some(res) } @@ -605,7 +665,8 @@ impl Ctx { let name = static_.name()?.as_name(); let type_ref = self.lower_type_ref_opt(static_.ascribed_type()); let visibility = self.lower_visibility(static_); - let res = Static { name, visibility, type_ref }; + let ast_id = self.source_ast_id_map.ast_id(static_); + let res = Static { name, visibility, type_ref, ast_id }; Some(res) } @@ -613,19 +674,30 @@ impl Ctx { let name = konst.name().map(|it| it.as_name()); let type_ref = self.lower_type_ref_opt(konst.ascribed_type()); let visibility = self.lower_visibility(konst); - Const { name, visibility, type_ref } + let ast_id = self.source_ast_id_map.ast_id(konst); + Const { name, visibility, type_ref, ast_id } } fn lower_module(&mut self, module: &ast::Module) -> Option { let name = module.name()?.as_name(); let visibility = self.lower_visibility(module); - let items = module.item_list().map(move |list| { - list.items() - .flat_map(move |item| self.lower_mod_item(&item)) - .flat_map(|items| items.0) - .collect() - }); - Some(Mod { name, visibility, items: items.unwrap_or_default() }) + let kind = if module.semicolon_token().is_some() { + ModKind::Outline {} + } else { + ModKind::Inline { + items: module + .item_list() + .map(|list| { + list.items() + .flat_map(|item| self.lower_mod_item(&item)) + .flat_map(|items| items.0) + .collect() + }) + .unwrap_or_default(), + } + }; + let ast_id = self.source_ast_id_map.ast_id(module); + Some(Mod { name, visibility, kind, ast_id }) } fn lower_trait(&mut self, trait_def: &ast::TraitDef) -> Option { @@ -633,11 +705,19 @@ impl Ctx { let visibility = self.lower_visibility(trait_def); let generic_params = self.lower_generic_params(trait_def); let auto = trait_def.auto_token().is_some(); - let items = trait_def.item_list().map(move |list| { + let items = trait_def.item_list().map(|list| { // FIXME: Does not handle macros - list.assoc_items().flat_map(move |item| self.lower_assoc_item(&item)).collect() + list.assoc_items().flat_map(|item| self.lower_assoc_item(&item)).collect() }); - Some(Trait { name, visibility, generic_params, auto, items: items.unwrap_or_default() }) + let ast_id = self.source_ast_id_map.ast_id(trait_def); + Some(Trait { + name, + visibility, + generic_params, + auto, + items: items.unwrap_or_default(), + ast_id, + }) } fn lower_impl(&mut self, impl_def: &ast::ImplDef) -> Option { @@ -650,7 +730,8 @@ impl Ctx { .assoc_items() .filter_map(|item| self.lower_assoc_item(&item)) .collect(); - Some(Impl { generic_params, target_trait, target_type, is_negative, items }) + let ast_id = self.source_ast_id_map.ast_id(impl_def); + Some(Impl { generic_params, target_trait, target_type, is_negative, items, ast_id }) } fn lower_use(&mut self, use_item: &ast::UseItem) -> Vec { -- cgit v1.2.3