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
43
44
45
46
47
48
49
50
51
|
use std::sync::Arc;
use rustc_hash::FxHashSet;
use relative_path::{RelativePath, RelativePathBuf};
use crate::{FileId, FileResolver, SourceRoot, FileResolverImp};
#[derive(Default, Debug)]
pub struct FileMap(Vec<(FileId, RelativePathBuf)>);
impl FileMap {
pub fn add(&mut self, path: RelativePathBuf) -> FileId {
let file_id = FileId((self.0.len() + 1) as u32);
self.0.push((file_id, path));
file_id
}
pub fn into_source_root(self) -> SourceRoot {
let files = self.files();
let file_resolver = FileResolverImp::new(Arc::new(self));
SourceRoot {
file_resolver,
files,
}
}
pub fn files(&self) -> FxHashSet<FileId> {
self.iter().map(|(id, _)| id).collect()
}
fn iter<'a>(&'a self) -> impl Iterator<Item = (FileId, &'a RelativePath)> + 'a {
self.0
.iter()
.map(|(id, path)| (*id, path.as_relative_path()))
}
fn path(&self, id: FileId) -> &RelativePath {
self.iter().find(|&(it, _)| it == id).unwrap().1
}
}
impl FileResolver for FileMap {
fn file_stem(&self, id: FileId) -> String {
self.path(id).file_stem().unwrap().to_string()
}
fn resolve(&self, id: FileId, rel: &RelativePath) -> Option<FileId> {
let path = self.path(id).join(rel).normalize();
let id = self.iter().find(|&(_, p)| path == p)?.0;
Some(id)
}
}
|
