ad status command

crates/ra_ide_api/src/status.rs

@@ -0,0 +1,15 @@
+use ra_db::{
+    LocationIntener, SourceFileQuery,
+    salsa::{Database, debug::DebugQueryTable},
+};
+
+use crate::db::RootDatabase;
+
+pub(crate) fn status(db: &RootDatabase) -> String {
+    let n_parsed_files = db.query(SourceFileQuery).keys::<Vec<_>>().len();
+    let n_defs = {
+        let interner: &LocationIntener<hir::DefLoc, hir::DefId> = db.as_ref();
+        interner.len()
+    };
+    format!("#n_parsed_files {}\n#n_defs {}\n", n_parsed_files, n_defs)
+}