aboutsummaryrefslogtreecommitdiff
path: root/crates/ra_hir/src/code_model_impl/krate.rs
blob: 591a81597da6715fa25916c158d3a014ebb7f98d (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
43
44
45
use ra_db::{CrateId, Cancelable};

use crate::{
    HirFileId, Crate, CrateDependency, AsName, DefLoc, DefKind, Module,
    db::HirDatabase,
};

impl Crate {
    pub(crate) fn new(crate_id: CrateId) -> Crate {
        Crate { crate_id }
    }
    pub(crate) fn dependencies_impl(&self, db: &impl HirDatabase) -> Vec<CrateDependency> {
        let crate_graph = db.crate_graph();
        crate_graph
            .dependencies(self.crate_id)
            .map(|dep| {
                let krate = Crate::new(dep.crate_id());
                let name = dep.as_name();
                CrateDependency { krate, name }
            })
            .collect()
    }
    pub(crate) fn root_module_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
        let crate_graph = db.crate_graph();
        let file_id = crate_graph.crate_root(self.crate_id);
        let source_root_id = db.file_source_root(file_id);
        let file_id = HirFileId::from(file_id);
        let module_tree = db.module_tree(source_root_id)?;
        // FIXME: teach module tree about crate roots instead of guessing
        let (module_id, _) = ctry!(module_tree
            .modules_with_sources()
            .find(|(_, src)| src.file_id() == file_id));

        let def_loc = DefLoc {
            kind: DefKind::Module,
            source_root_id,
            module_id,
            source_item_id: module_id.source(&module_tree).0,
        };
        let def_id = def_loc.id(db);

        let module = Module::new(def_id);
        Ok(Some(module))
    }
}