From 1555a1aa0d5d45e4b317db272c07ad3e8470553d Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 14 Oct 2019 15:15:47 +0300
Subject: remove one more dependency on source roots

---
 crates/ra_batch/src/lib.rs          | 10 ++--------
 crates/ra_cli/src/analysis_stats.rs | 29 +++++++++++++++++++++--------
 crates/ra_hir/src/code_model.rs     |  8 +++-----
 3 files changed, 26 insertions(+), 21 deletions(-)

diff --git a/crates/ra_batch/src/lib.rs b/crates/ra_batch/src/lib.rs
index 602beb439..df49eb13d 100644
--- a/crates/ra_batch/src/lib.rs
+++ b/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);
     }
diff --git a/crates/ra_cli/src/analysis_stats.rs b/crates/ra_cli/src/analysis_stats.rs
index a8a110bd9..fe4f57dcd 100644
--- a/crates/ra_cli/src/analysis_stats.rs
+++ b/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();
diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 8055a07db..8eb3c577d 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -5,7 +5,7 @@ pub(crate) mod docs;
 
 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 @@ impl Crate {
         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()
     }
 }
 
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