2 files changed, 54 insertions, 0 deletions

diff --git a/crates/ra_batch/Cargo.toml b/crates/ra_batch/Cargo.toml
new file mode 100644
index 000000000..3e83f8388
--- /dev/null
+++ b/crates/ra_batch/Cargo.toml
@@ -0,0 +1,24 @@
+[package]
+edition = "2018"
+name = "ra_batch"
+version = "0.1.0"
+authors = ["Aleksey Kladov <[email protected]>"]
+
+[dependencies]
+itertools = "0.8.0"
+join_to_string = "0.1.3"
+log = "0.4.5"
+relative-path = "0.4.0"
+rayon = "1.0.2"
+fst = "0.3.1"
+rustc-hash = "1.0"
+parking_lot = "0.7.0"
+unicase = "2.2.0"
+
+ra_syntax = { path = "../ra_syntax" }
+ra_db = { path = "../ra_db" }
+ra_hir = { path = "../ra_hir" }
+
+[dev-dependencies]
+test_utils = { path = "../test_utils" }
+insta = "0.6.1"
diff --git a/crates/ra_batch/src/lib.rs b/crates/ra_batch/src/lib.rs
new file mode 100644
index 000000000..25f1f7357
--- /dev/null
+++ b/crates/ra_batch/src/lib.rs
@@ -0,0 +1,30 @@
+use std::sync::Arc;
+
+use ra_db::{
+    FilePosition, FileId, CrateGraph, SourceRoot, SourceRootId, SourceDatabase, salsa,
+};
+use ra_hir::{db, HirInterner};
+
+#[salsa::database(
+    ra_db::SourceDatabaseStorage,
+    db::HirDatabaseStorage,
+    db::PersistentHirDatabaseStorage
+)]
+#[derive(Debug)]
+pub(crate) struct BatchDatabase {
+    runtime: salsa::Runtime<BatchDatabase>,
+    interner: Arc<HirInterner>,
+    file_counter: u32,
+}
+
+impl salsa::Database for BatchDatabase {
+    fn salsa_runtime(&self) -> &salsa::Runtime<BatchDatabase> {
+        &self.runtime
+    }
+}
+
+impl AsRef<HirInterner> for BatchDatabase {
+    fn as_ref(&self) -> &HirInterner {
+        &self.interner
+    }
+}