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-rw-r--r--crates/ra_hir_def/src/attr.rs66
-rw-r--r--crates/ra_hir_def/src/db.rs6
-rw-r--r--crates/ra_hir_def/src/lib.rs33
-rw-r--r--crates/ra_hir_def/src/nameres.rs31
4 files changed, 129 insertions, 7 deletions
diff --git a/crates/ra_hir_def/src/attr.rs b/crates/ra_hir_def/src/attr.rs
index 7a9d0fdf4..ce397f6b0 100644
--- a/crates/ra_hir_def/src/attr.rs
+++ b/crates/ra_hir_def/src/attr.rs
@@ -2,7 +2,7 @@
2 2
3use std::{ops, sync::Arc}; 3use std::{ops, sync::Arc};
4 4
5use hir_expand::hygiene::Hygiene; 5use hir_expand::{either::Either, hygiene::Hygiene, AstId};
6use mbe::ast_to_token_tree; 6use mbe::ast_to_token_tree;
7use ra_cfg::CfgOptions; 7use ra_cfg::CfgOptions;
8use ra_syntax::{ 8use ra_syntax::{
@@ -11,7 +11,9 @@ use ra_syntax::{
11}; 11};
12use tt::Subtree; 12use tt::Subtree;
13 13
14use crate::path::Path; 14use crate::{
15 db::DefDatabase2, path::Path, AdtId, AstItemDef, AttrDefId, HasChildSource, HasSource, Lookup,
16};
15 17
16#[derive(Default, Debug, Clone, PartialEq, Eq)] 18#[derive(Default, Debug, Clone, PartialEq, Eq)]
17pub struct Attrs { 19pub struct Attrs {
@@ -30,6 +32,46 @@ impl ops::Deref for Attrs {
30} 32}
31 33
32impl Attrs { 34impl Attrs {
35 pub(crate) fn attrs_query(db: &impl DefDatabase2, def: AttrDefId) -> Attrs {
36 match def {
37 AttrDefId::ModuleId(module) => {
38 let def_map = db.crate_def_map(module.krate);
39 let src = match def_map[module.module_id].declaration_source(db) {
40 Some(it) => it,
41 None => return Attrs::default(),
42 };
43 let hygiene = Hygiene::new(db, src.file_id);
44 Attr::from_attrs_owner(&src.value, &hygiene)
45 }
46 AttrDefId::StructFieldId(it) => {
47 let src = it.parent.child_source(db);
48 match &src.value[it.local_id] {
49 Either::A(_tuple) => Attrs::default(),
50 Either::B(record) => {
51 let hygiene = Hygiene::new(db, src.file_id);
52 Attr::from_attrs_owner(record, &hygiene)
53 }
54 }
55 }
56 AttrDefId::AdtId(it) => match it {
57 AdtId::StructId(it) => attrs_from_ast(it.0.lookup_intern(db).ast_id, db),
58 AdtId::EnumId(it) => attrs_from_ast(it.lookup_intern(db).ast_id, db),
59 AdtId::UnionId(it) => attrs_from_ast(it.0.lookup_intern(db).ast_id, db),
60 },
61 AttrDefId::EnumVariantId(it) => {
62 let src = it.parent.child_source(db);
63 let hygiene = Hygiene::new(db, src.file_id);
64 Attr::from_attrs_owner(&src.value[it.local_id], &hygiene)
65 }
66 AttrDefId::StaticId(it) => attrs_from_ast(it.lookup_intern(db).ast_id, db),
67 AttrDefId::ConstId(it) => attrs_from_loc(it.lookup(db), db),
68 AttrDefId::FunctionId(it) => attrs_from_loc(it.lookup(db), db),
69 AttrDefId::TraitId(it) => attrs_from_ast(it.lookup_intern(db).ast_id, db),
70 AttrDefId::TypeAliasId(it) => attrs_from_loc(it.lookup(db), db),
71 AttrDefId::MacroDefId(it) => attrs_from_ast(it.ast_id, db),
72 }
73 }
74
33 pub fn has_atom(&self, atom: &str) -> bool { 75 pub fn has_atom(&self, atom: &str) -> bool {
34 self.iter().any(|it| it.is_simple_atom(atom)) 76 self.iter().any(|it| it.is_simple_atom(atom))
35 } 77 }
@@ -106,3 +148,23 @@ impl Attr {
106 cfg_options.is_cfg_enabled(self.as_cfg()?) 148 cfg_options.is_cfg_enabled(self.as_cfg()?)
107 } 149 }
108} 150}
151
152fn attrs_from_ast<D, N>(src: AstId<N>, db: &D) -> Attrs
153where
154 N: ast::AttrsOwner,
155 D: DefDatabase2,
156{
157 let hygiene = Hygiene::new(db, src.file_id());
158 Attr::from_attrs_owner(&src.to_node(db), &hygiene)
159}
160
161fn attrs_from_loc<T, D>(node: T, db: &D) -> Attrs
162where
163 T: HasSource,
164 T::Value: ast::AttrsOwner,
165 D: DefDatabase2,
166{
167 let src = node.source(db);
168 let hygiene = Hygiene::new(db, src.file_id);
169 Attr::from_attrs_owner(&src.value, &hygiene)
170}
diff --git a/crates/ra_hir_def/src/db.rs b/crates/ra_hir_def/src/db.rs
index 2c660ab88..e91e741bb 100644
--- a/crates/ra_hir_def/src/db.rs
+++ b/crates/ra_hir_def/src/db.rs
@@ -7,6 +7,7 @@ use ra_syntax::ast;
7 7
8use crate::{ 8use crate::{
9 adt::{EnumData, StructData}, 9 adt::{EnumData, StructData},
10 attr::Attrs,
10 body::{scope::ExprScopes, Body, BodySourceMap}, 11 body::{scope::ExprScopes, Body, BodySourceMap},
11 data::{ConstData, FunctionData, ImplData, TraitData, TypeAliasData}, 12 data::{ConstData, FunctionData, ImplData, TraitData, TypeAliasData},
12 generics::GenericParams, 13 generics::GenericParams,
@@ -14,7 +15,7 @@ use crate::{
14 raw::{ImportSourceMap, RawItems}, 15 raw::{ImportSourceMap, RawItems},
15 CrateDefMap, 16 CrateDefMap,
16 }, 17 },
17 ConstId, DefWithBodyId, EnumId, FunctionId, GenericDefId, ImplId, ItemLoc, StaticId, 18 AttrDefId, ConstId, DefWithBodyId, EnumId, FunctionId, GenericDefId, ImplId, ItemLoc, StaticId,
18 StructOrUnionId, TraitId, TypeAliasId, 19 StructOrUnionId, TraitId, TypeAliasId,
19}; 20};
20 21
@@ -87,4 +88,7 @@ pub trait DefDatabase2: InternDatabase + AstDatabase {
87 88
88 #[salsa::invoke(GenericParams::generic_params_query)] 89 #[salsa::invoke(GenericParams::generic_params_query)]
89 fn generic_params(&self, def: GenericDefId) -> Arc<GenericParams>; 90 fn generic_params(&self, def: GenericDefId) -> Arc<GenericParams>;
91
92 #[salsa::invoke(Attrs::attrs_query)]
93 fn attrs(&self, def: AttrDefId) -> Attrs;
90} 94}
diff --git a/crates/ra_hir_def/src/lib.rs b/crates/ra_hir_def/src/lib.rs
index 2edf743ab..1bcdf9b78 100644
--- a/crates/ra_hir_def/src/lib.rs
+++ b/crates/ra_hir_def/src/lib.rs
@@ -32,7 +32,7 @@ pub mod nameres;
32 32
33use std::hash::{Hash, Hasher}; 33use std::hash::{Hash, Hasher};
34 34
35use hir_expand::{ast_id_map::FileAstId, db::AstDatabase, AstId, HirFileId, Source}; 35use hir_expand::{ast_id_map::FileAstId, db::AstDatabase, AstId, HirFileId, MacroDefId, Source};
36use ra_arena::{impl_arena_id, map::ArenaMap, RawId}; 36use ra_arena::{impl_arena_id, map::ArenaMap, RawId};
37use ra_db::{salsa, CrateId, FileId}; 37use ra_db::{salsa, CrateId, FileId};
38use ra_syntax::{ast, AstNode, SyntaxNode}; 38use ra_syntax::{ast, AstNode, SyntaxNode};
@@ -280,8 +280,8 @@ pub enum VariantId {
280 280
281#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 281#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
282pub struct StructFieldId { 282pub struct StructFieldId {
283 parent: VariantId, 283 pub parent: VariantId,
284 local_id: LocalStructFieldId, 284 pub local_id: LocalStructFieldId,
285} 285}
286 286
287#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 287#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@@ -477,6 +477,33 @@ impl_froms!(
477 ConstId 477 ConstId
478); 478);
479 479
480#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
481pub enum AttrDefId {
482 ModuleId(ModuleId),
483 StructFieldId(StructFieldId),
484 AdtId(AdtId),
485 FunctionId(FunctionId),
486 EnumVariantId(EnumVariantId),
487 StaticId(StaticId),
488 ConstId(ConstId),
489 TraitId(TraitId),
490 TypeAliasId(TypeAliasId),
491 MacroDefId(MacroDefId),
492}
493
494impl_froms!(
495 AttrDefId: ModuleId,
496 StructFieldId,
497 AdtId(StructId, EnumId, UnionId),
498 EnumVariantId,
499 StaticId,
500 ConstId,
501 FunctionId,
502 TraitId,
503 TypeAliasId,
504 MacroDefId
505);
506
480trait Intern { 507trait Intern {
481 type ID; 508 type ID;
482 fn intern(self, db: &impl db::DefDatabase2) -> Self::ID; 509 fn intern(self, db: &impl db::DefDatabase2) -> Self::ID;
diff --git a/crates/ra_hir_def/src/nameres.rs b/crates/ra_hir_def/src/nameres.rs
index c01e020ef..6723465a5 100644
--- a/crates/ra_hir_def/src/nameres.rs
+++ b/crates/ra_hir_def/src/nameres.rs
@@ -58,7 +58,10 @@ mod tests;
58 58
59use std::sync::Arc; 59use std::sync::Arc;
60 60
61use hir_expand::{ast_id_map::FileAstId, diagnostics::DiagnosticSink, name::Name, MacroDefId}; 61use hir_expand::{
62 ast_id_map::FileAstId, diagnostics::DiagnosticSink, either::Either, name::Name, MacroDefId,
63 Source,
64};
62use once_cell::sync::Lazy; 65use once_cell::sync::Lazy;
63use ra_arena::Arena; 66use ra_arena::Arena;
64use ra_db::{CrateId, Edition, FileId}; 67use ra_db::{CrateId, Edition, FileId};
@@ -116,12 +119,15 @@ pub struct ModuleData {
116 pub parent: Option<CrateModuleId>, 119 pub parent: Option<CrateModuleId>,
117 pub children: FxHashMap<Name, CrateModuleId>, 120 pub children: FxHashMap<Name, CrateModuleId>,
118 pub scope: ModuleScope, 121 pub scope: ModuleScope,
122
123 // FIXME: these can't be both null, we need a three-state enum here.
119 /// None for root 124 /// None for root
120 pub declaration: Option<AstId<ast::Module>>, 125 pub declaration: Option<AstId<ast::Module>>,
121 /// None for inline modules. 126 /// None for inline modules.
122 /// 127 ///
123 /// Note that non-inline modules, by definition, live inside non-macro file. 128 /// Note that non-inline modules, by definition, live inside non-macro file.
124 pub definition: Option<FileId>, 129 pub definition: Option<FileId>,
130
125 pub impls: Vec<ImplId>, 131 pub impls: Vec<ImplId>,
126} 132}
127 133
@@ -285,6 +291,29 @@ impl CrateDefMap {
285 } 291 }
286} 292}
287 293
294impl ModuleData {
295 /// Returns a node which defines this module. That is, a file or a `mod foo {}` with items.
296 pub fn definition_source(
297 &self,
298 db: &impl DefDatabase2,
299 ) -> Source<Either<ast::SourceFile, ast::Module>> {
300 if let Some(file_id) = self.definition {
301 let sf = db.parse(file_id).tree();
302 return Source::new(file_id.into(), Either::A(sf));
303 }
304 let decl = self.declaration.unwrap();
305 Source::new(decl.file_id(), Either::B(decl.to_node(db)))
306 }
307
308 /// Returns a node which declares this module, either a `mod foo;` or a `mod foo {}`.
309 /// `None` for the crate root.
310 pub fn declaration_source(&self, db: &impl DefDatabase2) -> Option<Source<ast::Module>> {
311 let decl = self.declaration?;
312 let value = decl.to_node(db);
313 Some(Source { file_id: decl.file_id(), value })
314 }
315}
316
288mod diagnostics { 317mod diagnostics {
289 use hir_expand::diagnostics::DiagnosticSink; 318 use hir_expand::diagnostics::DiagnosticSink;
290 use ra_db::RelativePathBuf; 319 use ra_db::RelativePathBuf;