blob: 751d4c0522812d9a61bc22f7304de502d6d5b650 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
//! Utilities for mapping between hir IDs and the surface syntax.
use hir_expand::InFile;
use la_arena::ArenaMap;
use crate::{db::DefDatabase, item_tree::ItemTreeNode, AssocItemLoc, ItemLoc};
pub trait HasSource {
type Value;
fn source(&self, db: &dyn DefDatabase) -> InFile<Self::Value>;
}
impl<N: ItemTreeNode> HasSource for AssocItemLoc<N> {
type Value = N::Source;
fn source(&self, db: &dyn DefDatabase) -> InFile<N::Source> {
let tree = db.item_tree(self.id.file_id);
let ast_id_map = db.ast_id_map(self.id.file_id);
let root = db.parse_or_expand(self.id.file_id).unwrap();
let node = &tree[self.id.value];
InFile::new(self.id.file_id, ast_id_map.get(node.ast_id()).to_node(&root))
}
}
impl<N: ItemTreeNode> HasSource for ItemLoc<N> {
type Value = N::Source;
fn source(&self, db: &dyn DefDatabase) -> InFile<N::Source> {
let tree = db.item_tree(self.id.file_id);
let ast_id_map = db.ast_id_map(self.id.file_id);
let root = db.parse_or_expand(self.id.file_id).unwrap();
let node = &tree[self.id.value];
InFile::new(self.id.file_id, ast_id_map.get(node.ast_id()).to_node(&root))
}
}
pub trait HasChildSource<ChildId> {
type Value;
fn child_source(&self, db: &dyn DefDatabase) -> InFile<ArenaMap<ChildId, Self::Value>>;
}
|
