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-rw-r--r--crates/hir_def/src/attr.rs7
-rw-r--r--crates/hir_def/src/intern.rs3
-rw-r--r--crates/hir_def/src/item_tree.rs2
-rw-r--r--crates/hir_def/src/item_tree/lower.rs2
-rw-r--r--crates/hir_def/src/nameres/collector.rs2
-rw-r--r--crates/hir_def/src/path.rs14
-rw-r--r--crates/hir_def/src/path/lower.rs8
7 files changed, 21 insertions, 17 deletions
diff --git a/crates/hir_def/src/attr.rs b/crates/hir_def/src/attr.rs
index 52a2bce9b..2bab121d9 100644
--- a/crates/hir_def/src/attr.rs
+++ b/crates/hir_def/src/attr.rs
@@ -18,6 +18,7 @@ use tt::Subtree;
18 18
19use crate::{ 19use crate::{
20 db::DefDatabase, 20 db::DefDatabase,
21 intern::Interned,
21 item_tree::{ItemTreeId, ItemTreeNode}, 22 item_tree::{ItemTreeId, ItemTreeNode},
22 nameres::ModuleSource, 23 nameres::ModuleSource,
23 path::{ModPath, PathKind}, 24 path::{ModPath, PathKind},
@@ -98,7 +99,7 @@ impl RawAttrs {
98 Either::Right(comment) => comment.doc_comment().map(|doc| Attr { 99 Either::Right(comment) => comment.doc_comment().map(|doc| Attr {
99 index: i as u32, 100 index: i as u32,
100 input: Some(AttrInput::Literal(SmolStr::new(doc))), 101 input: Some(AttrInput::Literal(SmolStr::new(doc))),
101 path: ModPath::from(hir_expand::name!(doc)), 102 path: Interned::new(ModPath::from(hir_expand::name!(doc))),
102 }), 103 }),
103 }) 104 })
104 .collect::<Arc<_>>(); 105 .collect::<Arc<_>>();
@@ -510,7 +511,7 @@ impl AttrSourceMap {
510#[derive(Debug, Clone, PartialEq, Eq)] 511#[derive(Debug, Clone, PartialEq, Eq)]
511pub struct Attr { 512pub struct Attr {
512 index: u32, 513 index: u32,
513 pub(crate) path: ModPath, 514 pub(crate) path: Interned<ModPath>,
514 pub(crate) input: Option<AttrInput>, 515 pub(crate) input: Option<AttrInput>,
515} 516}
516 517
@@ -524,7 +525,7 @@ pub enum AttrInput {
524 525
525impl Attr { 526impl Attr {
526 fn from_src(ast: ast::Attr, hygiene: &Hygiene, index: u32) -> Option<Attr> { 527 fn from_src(ast: ast::Attr, hygiene: &Hygiene, index: u32) -> Option<Attr> {
527 let path = ModPath::from_src(ast.path()?, hygiene)?; 528 let path = Interned::new(ModPath::from_src(ast.path()?, hygiene)?);
528 let input = if let Some(ast::Expr::Literal(lit)) = ast.expr() { 529 let input = if let Some(ast::Expr::Literal(lit)) = ast.expr() {
529 let value = match lit.kind() { 530 let value = match lit.kind() {
530 ast::LiteralKind::String(string) => string.value()?.into(), 531 ast::LiteralKind::String(string) => string.value()?.into(),
diff --git a/crates/hir_def/src/intern.rs b/crates/hir_def/src/intern.rs
index 28ec72cff..4d8fbd324 100644
--- a/crates/hir_def/src/intern.rs
+++ b/crates/hir_def/src/intern.rs
@@ -15,6 +15,7 @@ use rustc_hash::FxHasher;
15 15
16type InternMap<T> = DashMap<Arc<T>, (), BuildHasherDefault<FxHasher>>; 16type InternMap<T> = DashMap<Arc<T>, (), BuildHasherDefault<FxHasher>>;
17 17
18#[derive(Hash)]
18pub struct Interned<T: Internable> { 19pub struct Interned<T: Internable> {
19 arc: Arc<T>, 20 arc: Arc<T>,
20} 21}
@@ -152,6 +153,6 @@ macro_rules! impl_internable {
152 )+ }; 153 )+ };
153} 154}
154 155
155impl_internable!(crate::type_ref::TypeRef, crate::type_ref::TraitRef); 156impl_internable!(crate::type_ref::TypeRef, crate::type_ref::TraitRef, crate::path::ModPath);
156 157
157// endregion 158// endregion
diff --git a/crates/hir_def/src/item_tree.rs b/crates/hir_def/src/item_tree.rs
index 9f6bb3a7c..69a313c7e 100644
--- a/crates/hir_def/src/item_tree.rs
+++ b/crates/hir_def/src/item_tree.rs
@@ -694,7 +694,7 @@ pub enum ModKind {
694#[derive(Debug, Clone, Eq, PartialEq)] 694#[derive(Debug, Clone, Eq, PartialEq)]
695pub struct MacroCall { 695pub struct MacroCall {
696 /// Path to the called macro. 696 /// Path to the called macro.
697 pub path: ModPath, 697 pub path: Interned<ModPath>,
698 pub ast_id: FileAstId<ast::MacroCall>, 698 pub ast_id: FileAstId<ast::MacroCall>,
699} 699}
700 700
diff --git a/crates/hir_def/src/item_tree/lower.rs b/crates/hir_def/src/item_tree/lower.rs
index 23d3dea7b..5247379c5 100644
--- a/crates/hir_def/src/item_tree/lower.rs
+++ b/crates/hir_def/src/item_tree/lower.rs
@@ -606,7 +606,7 @@ impl Ctx {
606 } 606 }
607 607
608 fn lower_macro_call(&mut self, m: &ast::MacroCall) -> Option<FileItemTreeId<MacroCall>> { 608 fn lower_macro_call(&mut self, m: &ast::MacroCall) -> Option<FileItemTreeId<MacroCall>> {
609 let path = ModPath::from_src(m.path()?, &self.hygiene)?; 609 let path = Interned::new(ModPath::from_src(m.path()?, &self.hygiene)?);
610 let ast_id = self.source_ast_id_map.ast_id(m); 610 let ast_id = self.source_ast_id_map.ast_id(m);
611 let res = MacroCall { path, ast_id }; 611 let res = MacroCall { path, ast_id };
612 Some(id(self.data().macro_calls.alloc(res))) 612 Some(id(self.data().macro_calls.alloc(res)))
diff --git a/crates/hir_def/src/nameres/collector.rs b/crates/hir_def/src/nameres/collector.rs
index d58135ec9..5badefabf 100644
--- a/crates/hir_def/src/nameres/collector.rs
+++ b/crates/hir_def/src/nameres/collector.rs
@@ -1464,7 +1464,7 @@ impl ModCollector<'_, '_> {
1464 } 1464 }
1465 1465
1466 fn collect_macro_call(&mut self, mac: &MacroCall) { 1466 fn collect_macro_call(&mut self, mac: &MacroCall) {
1467 let mut ast_id = AstIdWithPath::new(self.file_id, mac.ast_id, mac.path.clone()); 1467 let mut ast_id = AstIdWithPath::new(self.file_id, mac.ast_id, (*mac.path).clone());
1468 1468
1469 // Case 1: try to resolve in legacy scope and expand macro_rules 1469 // Case 1: try to resolve in legacy scope and expand macro_rules
1470 let mut error = None; 1470 let mut error = None;
diff --git a/crates/hir_def/src/path.rs b/crates/hir_def/src/path.rs
index 8c923bb7b..a3e83e2cf 100644
--- a/crates/hir_def/src/path.rs
+++ b/crates/hir_def/src/path.rs
@@ -7,7 +7,7 @@ use std::{
7 sync::Arc, 7 sync::Arc,
8}; 8};
9 9
10use crate::{body::LowerCtx, type_ref::LifetimeRef}; 10use crate::{body::LowerCtx, intern::Interned, type_ref::LifetimeRef};
11use base_db::CrateId; 11use base_db::CrateId;
12use hir_expand::{ 12use hir_expand::{
13 hygiene::Hygiene, 13 hygiene::Hygiene,
@@ -48,7 +48,7 @@ pub enum ImportAlias {
48 48
49impl ModPath { 49impl ModPath {
50 pub fn from_src(path: ast::Path, hygiene: &Hygiene) -> Option<ModPath> { 50 pub fn from_src(path: ast::Path, hygiene: &Hygiene) -> Option<ModPath> {
51 lower::lower_path(path, hygiene).map(|it| it.mod_path) 51 lower::lower_path(path, hygiene).map(|it| (*it.mod_path).clone())
52 } 52 }
53 53
54 pub fn from_segments(kind: PathKind, segments: impl IntoIterator<Item = Name>) -> ModPath { 54 pub fn from_segments(kind: PathKind, segments: impl IntoIterator<Item = Name>) -> ModPath {
@@ -123,7 +123,7 @@ pub struct Path {
123 /// Type based path like `<T>::foo`. 123 /// Type based path like `<T>::foo`.
124 /// Note that paths like `<Type as Trait>::foo` are desugard to `Trait::<Self=Type>::foo`. 124 /// Note that paths like `<Type as Trait>::foo` are desugard to `Trait::<Self=Type>::foo`.
125 type_anchor: Option<Box<TypeRef>>, 125 type_anchor: Option<Box<TypeRef>>,
126 mod_path: ModPath, 126 mod_path: Interned<ModPath>,
127 /// Invariant: the same len as `self.mod_path.segments` 127 /// Invariant: the same len as `self.mod_path.segments`
128 generic_args: Vec<Option<Arc<GenericArgs>>>, 128 generic_args: Vec<Option<Arc<GenericArgs>>>,
129} 129}
@@ -176,7 +176,7 @@ impl Path {
176 path: ModPath, 176 path: ModPath,
177 generic_args: Vec<Option<Arc<GenericArgs>>>, 177 generic_args: Vec<Option<Arc<GenericArgs>>>,
178 ) -> Path { 178 ) -> Path {
179 Path { type_anchor: None, mod_path: path, generic_args } 179 Path { type_anchor: None, mod_path: Interned::new(path), generic_args }
180 } 180 }
181 181
182 pub fn kind(&self) -> &PathKind { 182 pub fn kind(&self) -> &PathKind {
@@ -204,10 +204,10 @@ impl Path {
204 } 204 }
205 let res = Path { 205 let res = Path {
206 type_anchor: self.type_anchor.clone(), 206 type_anchor: self.type_anchor.clone(),
207 mod_path: ModPath::from_segments( 207 mod_path: Interned::new(ModPath::from_segments(
208 self.mod_path.kind.clone(), 208 self.mod_path.kind.clone(),
209 self.mod_path.segments[..self.mod_path.segments.len() - 1].iter().cloned(), 209 self.mod_path.segments[..self.mod_path.segments.len() - 1].iter().cloned(),
210 ), 210 )),
211 generic_args: self.generic_args[..self.generic_args.len() - 1].to_vec(), 211 generic_args: self.generic_args[..self.generic_args.len() - 1].to_vec(),
212 }; 212 };
213 Some(res) 213 Some(res)
@@ -283,7 +283,7 @@ impl From<Name> for Path {
283 fn from(name: Name) -> Path { 283 fn from(name: Name) -> Path {
284 Path { 284 Path {
285 type_anchor: None, 285 type_anchor: None,
286 mod_path: ModPath::from_segments(PathKind::Plain, iter::once(name)), 286 mod_path: Interned::new(ModPath::from_segments(PathKind::Plain, iter::once(name))),
287 generic_args: vec![None], 287 generic_args: vec![None],
288 } 288 }
289 } 289 }
diff --git a/crates/hir_def/src/path/lower.rs b/crates/hir_def/src/path/lower.rs
index 4de951fd3..28f6244da 100644
--- a/crates/hir_def/src/path/lower.rs
+++ b/crates/hir_def/src/path/lower.rs
@@ -2,6 +2,7 @@
2 2
3mod lower_use; 3mod lower_use;
4 4
5use crate::intern::Interned;
5use std::sync::Arc; 6use std::sync::Arc;
6 7
7use either::Either; 8use either::Either;
@@ -74,10 +75,11 @@ pub(super) fn lower_path(mut path: ast::Path, hygiene: &Hygiene) -> Option<Path>
74 // <T as Trait<A>>::Foo desugars to Trait<Self=T, A>::Foo 75 // <T as Trait<A>>::Foo desugars to Trait<Self=T, A>::Foo
75 Some(trait_ref) => { 76 Some(trait_ref) => {
76 let path = Path::from_src(trait_ref.path()?, hygiene)?; 77 let path = Path::from_src(trait_ref.path()?, hygiene)?;
78 let mod_path = (*path.mod_path).clone();
77 let num_segments = path.mod_path.segments.len(); 79 let num_segments = path.mod_path.segments.len();
78 kind = path.mod_path.kind; 80 kind = mod_path.kind;
79 81
80 let mut prefix_segments = path.mod_path.segments; 82 let mut prefix_segments = mod_path.segments;
81 prefix_segments.reverse(); 83 prefix_segments.reverse();
82 segments.extend(prefix_segments); 84 segments.extend(prefix_segments);
83 85
@@ -140,7 +142,7 @@ pub(super) fn lower_path(mut path: ast::Path, hygiene: &Hygiene) -> Option<Path>
140 } 142 }
141 } 143 }
142 144
143 let mod_path = ModPath::from_segments(kind, segments); 145 let mod_path = Interned::new(ModPath::from_segments(kind, segments));
144 return Some(Path { type_anchor, mod_path, generic_args }); 146 return Some(Path { type_anchor, mod_path, generic_args });
145 147
146 fn qualifier(path: &ast::Path) -> Option<ast::Path> { 148 fn qualifier(path: &ast::Path) -> Option<ast::Path> {