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use ra_db::{CrateId, Cancelable, FileId};
use ra_syntax::ast;
use crate::{Name, db::HirDatabase, DefId};
/// hir::Crate describes a single crate. It's the main inteface with which
/// crate's dependencies interact. Mostly, it should be just a proxy for the
/// root module.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Crate {
pub(crate) crate_id: CrateId,
}
#[derive(Debug)]
pub struct CrateDependency {
pub krate: Crate,
pub name: Name,
}
impl Crate {
pub fn crate_id(&self) -> CrateId {
self.crate_id
}
pub fn dependencies(&self, db: &impl HirDatabase) -> Cancelable<Vec<CrateDependency>> {
Ok(self.dependencies_impl(db))
}
pub fn root_module(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
self.root_module_impl(db)
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Module {
pub(crate) def_id: DefId,
}
impl Module {
pub fn source(&self, db: &impl HirDatabase) -> Cancelable<(FileId, Option<ast::ModuleNode>)> {
Ok(self.source_impl(db))
}
/// Returns the crate this module is part of.
pub fn krate(&self, db: &impl HirDatabase) -> Cancelable<Option<Crate>> {
self.krate_impl(db)
}
pub fn crate_root(&self, db: &impl HirDatabase) -> Cancelable<Module> {
self.crate_root_impl(db)
}
/// Finds a child module with the specified name.
pub fn child(&self, db: &impl HirDatabase, name: &Name) -> Cancelable<Option<Module>> {
self.child_impl(db, name)
}
}
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