diff options
Diffstat (limited to 'crates')
-rw-r--r-- | crates/ra_hir/src/ids.rs | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs index 9aae58bb6..2cc175bda 100644 --- a/crates/ra_hir/src/ids.rs +++ b/crates/ra_hir/src/ids.rs | |||
@@ -1,6 +1,6 @@ | |||
1 | use std::{ | 1 | use std::{ |
2 | marker::PhantomData, | 2 | marker::PhantomData, |
3 | hash::Hash, | 3 | hash::{Hash, Hasher}, |
4 | }; | 4 | }; |
5 | 5 | ||
6 | use ra_db::{LocationIntener, FileId}; | 6 | use ra_db::{LocationIntener, FileId}; |
@@ -139,13 +139,26 @@ impl MacroCallLoc { | |||
139 | } | 139 | } |
140 | } | 140 | } |
141 | 141 | ||
142 | #[derive(Debug, PartialEq, Eq, Hash)] | 142 | #[derive(Debug)] |
143 | pub struct ItemLoc<N: AstNode> { | 143 | pub struct ItemLoc<N: AstNode> { |
144 | pub(crate) module: Module, | 144 | pub(crate) module: Module, |
145 | raw: SourceItemId, | 145 | raw: SourceItemId, |
146 | _ty: PhantomData<N>, | 146 | _ty: PhantomData<N>, |
147 | } | 147 | } |
148 | 148 | ||
149 | impl<N: AstNode> PartialEq for ItemLoc<N> { | ||
150 | fn eq(&self, other: &Self) -> bool { | ||
151 | self.module == other.module && self.raw == other.raw | ||
152 | } | ||
153 | } | ||
154 | impl<N: AstNode> Eq for ItemLoc<N> {} | ||
155 | impl<N: AstNode> Hash for ItemLoc<N> { | ||
156 | fn hash<H: Hasher>(&self, hasher: &mut H) { | ||
157 | self.module.hash(hasher); | ||
158 | self.raw.hash(hasher); | ||
159 | } | ||
160 | } | ||
161 | |||
149 | impl<N: AstNode> Clone for ItemLoc<N> { | 162 | impl<N: AstNode> Clone for ItemLoc<N> { |
150 | fn clone(&self) -> ItemLoc<N> { | 163 | fn clone(&self) -> ItemLoc<N> { |
151 | ItemLoc { | 164 | ItemLoc { |
@@ -173,14 +186,14 @@ impl<'a, DB: HirDatabase> LocationCtx<&'a DB> { | |||
173 | } | 186 | } |
174 | pub(crate) fn to_def<N, DEF>(self, ast: &N) -> DEF | 187 | pub(crate) fn to_def<N, DEF>(self, ast: &N) -> DEF |
175 | where | 188 | where |
176 | N: AstNode + Eq + Hash, | 189 | N: AstNode, |
177 | DEF: AstItemDef<N>, | 190 | DEF: AstItemDef<N>, |
178 | { | 191 | { |
179 | DEF::from_ast(self, ast) | 192 | DEF::from_ast(self, ast) |
180 | } | 193 | } |
181 | } | 194 | } |
182 | 195 | ||
183 | pub(crate) trait AstItemDef<N: AstNode + Eq + Hash>: ArenaId + Clone { | 196 | pub(crate) trait AstItemDef<N: AstNode>: ArenaId + Clone { |
184 | fn interner(interner: &HirInterner) -> &LocationIntener<ItemLoc<N>, Self>; | 197 | fn interner(interner: &HirInterner) -> &LocationIntener<ItemLoc<N>, Self>; |
185 | fn from_ast(ctx: LocationCtx<&impl HirDatabase>, ast: &N) -> Self { | 198 | fn from_ast(ctx: LocationCtx<&impl HirDatabase>, ast: &N) -> Self { |
186 | let items = ctx.db.file_items(ctx.file_id); | 199 | let items = ctx.db.file_items(ctx.file_id); |