remove one more dependency on source roots

crates/ra_batch/src/lib.rs

@@ -141,14 +141,8 @@ mod tests {
     #[test]
     fn test_loading_rust_analyzer() {
         let path = Path::new(env!("CARGO_MANIFEST_DIR")).parent().unwrap().parent().unwrap();
-        let (host, roots) = load_cargo(path).unwrap();
-        let mut n_crates = 0;
-        for (root, _) in roots {
-            for _krate in Crate::source_root_crates(host.raw_database(), root) {
-                n_crates += 1;
-            }
-        }
-
+        let (host, _roots) = load_cargo(path).unwrap();
+        let n_crates = Crate::all(host.raw_database()).len();
         // RA has quite a few crates, but the exact count doesn't matter
         assert!(n_crates > 20);
     }

crates/ra_cli/src/analysis_stats.rs

@@ -22,16 +22,29 @@ pub fn run(
     let mut num_crates = 0;
     let mut visited_modules = HashSet::new();
     let mut visit_queue = Vec::new();
-    for (source_root_id, project_root) in roots {
-        if project_root.is_member() {
-            for krate in Crate::source_root_crates(db, source_root_id) {
-                num_crates += 1;
-                let module =
-                    krate.root_module(db).expect("crate in source root without root module");
-                visit_queue.push(module);
-            }
+
+    let members = roots
+        .into_iter()
+        .filter_map(
+            |(source_root_id, project_root)| {
+                if project_root.is_member() {
+                    Some(source_root_id)
+                } else {
+                    None
+                }
+            },
+        )
+        .collect::<HashSet<_>>();
+
+    for krate in Crate::all(db) {
+        let module = krate.root_module(db).expect("crate without root module");
+        let file_id = module.definition_source(db).file_id;
+        if members.contains(&db.file_source_root(file_id.original_file(db))) {
+            num_crates += 1;
+            visit_queue.push(module);
         }
     }
+
     println!("Crates in this dir: {}", num_crates);
     let mut num_decls = 0;
     let mut funcs = Vec::new();

crates/ra_hir/src/code_model.rs

@@ -5,7 +5,7 @@
 
 use std::sync::Arc;
 
-use ra_db::{CrateId, Edition, FileId, SourceRootId};
+use ra_db::{CrateId, Edition, FileId};
 use ra_syntax::ast::{self, NameOwner, TypeAscriptionOwner};
 
 use crate::{
@@ -76,10 +76,8 @@ pub fn edition(self, db: &impl DefDatabase) -> Edition {
         crate_graph.edition(self.crate_id)
     }
 
-    // FIXME: should this be in source_binder?
-    pub fn source_root_crates(db: &impl DefDatabase, source_root: SourceRootId) -> Vec<Crate> {
-        let crate_ids = db.source_root_crates(source_root);
-        crate_ids.iter().map(|&crate_id| Crate { crate_id }).collect()
+    pub fn all(db: &impl DefDatabase) -> Vec<Crate> {
+        db.crate_graph().iter().map(|crate_id| Crate { crate_id }).collect()
     }
 }