45 lines
1.5 KiB
Rust
45 lines
1.5 KiB
Rust
use ra_db::{CrateId, Cancelable};
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use crate::{
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HirFileId, Crate, CrateDependency, AsName, DefLoc, DefKind, Module,
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db::HirDatabase,
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};
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impl Crate {
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pub(crate) fn new(crate_id: CrateId) -> Crate {
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Crate { crate_id }
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}
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pub(crate) fn dependencies_impl(&self, db: &impl HirDatabase) -> Vec<CrateDependency> {
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let crate_graph = db.crate_graph();
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crate_graph
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.dependencies(self.crate_id)
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.map(|dep| {
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let krate = Crate::new(dep.crate_id());
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let name = dep.as_name();
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CrateDependency { krate, name }
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})
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.collect()
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}
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pub(crate) fn root_module_impl(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
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let crate_graph = db.crate_graph();
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let file_id = crate_graph.crate_root(self.crate_id);
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let source_root_id = db.file_source_root(file_id);
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let file_id = HirFileId::from(file_id);
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let module_tree = db.module_tree(source_root_id)?;
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// FIXME: teach module tree about crate roots instead of guessing
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let (module_id, _) = ctry!(module_tree
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.modules_with_sources()
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.find(|(_, src)| src.file_id() == file_id));
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let def_loc = DefLoc {
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kind: DefKind::Module,
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source_root_id,
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module_id,
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source_item_id: module_id.source(&module_tree).0,
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};
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let def_id = def_loc.id(db);
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let module = Module::new(def_id);
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Ok(Some(module))
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}
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}
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