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use std::sync::Arc;
use ra_db::{
BaseDatabase, FileId, Canceled,
salsa::{self, Database},
};
use crate::{symbol_index, LineIndex};
#[salsa::database(
ra_db::FilesDatabaseStorage,
ra_db::SyntaxDatabaseStorage,
LineIndexDatabaseStorage,
symbol_index::SymbolsDatabaseStorage,
hir::db::HirDatabaseStorage
)]
#[derive(Debug)]
pub(crate) struct RootDatabase {
runtime: salsa::Runtime<RootDatabase>,
interner: Arc<hir::HirInterner>,
}
impl salsa::Database for RootDatabase {
fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
&self.runtime
}
fn on_propagated_panic(&self) -> ! {
Canceled::throw()
}
}
impl Default for RootDatabase {
fn default() -> RootDatabase {
let mut db = RootDatabase {
runtime: salsa::Runtime::default(),
interner: Default::default(),
};
db.query_mut(ra_db::CrateGraphQuery)
.set((), Default::default());
db.query_mut(ra_db::LocalRootsQuery)
.set((), Default::default());
db.query_mut(ra_db::LibraryRootsQuery)
.set((), Default::default());
db
}
}
impl salsa::ParallelDatabase for RootDatabase {
fn snapshot(&self) -> salsa::Snapshot<RootDatabase> {
salsa::Snapshot::new(RootDatabase {
runtime: self.runtime.snapshot(self),
interner: Arc::clone(&self.interner),
})
}
}
impl BaseDatabase for RootDatabase {}
impl AsRef<hir::HirInterner> for RootDatabase {
fn as_ref(&self) -> &hir::HirInterner {
&self.interner
}
}
#[salsa::query_group(LineIndexDatabaseStorage)]
pub(crate) trait LineIndexDatabase: ra_db::FilesDatabase + BaseDatabase {
fn line_index(&self, file_id: FileId) -> Arc<LineIndex>;
}
fn line_index(db: &impl ra_db::FilesDatabase, file_id: FileId) -> Arc<LineIndex> {
let text = db.file_text(file_id);
Arc::new(LineIndex::new(&*text))
}
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