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use ra_db::{CrateId, Cancelable};
use crate::{
HirFileId, Crate, CrateDependency, AsName, DefLoc, DefKind, Module, SourceItemId,
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 source = SourceItemId {
file_id,
item_id: None,
};
let module_id = ctry!(module_tree.find_module_by_source(source));
let def_loc = DefLoc {
kind: DefKind::Module,
source_root_id,
module_id,
source_item_id: module_id.source(&module_tree),
};
let def_id = def_loc.id(db);
let module = Module::new(def_id);
Ok(Some(module))
}
}
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