4 files changed, 39 insertions, 53 deletions

diff --git a/crates/ra_hir/src/code_model_impl.rs b/crates/ra_hir/src/code_model_impl.rs
index d602a439d..157b0c616 100644
--- a/crates/ra_hir/src/code_model_impl.rs
+++ b/crates/ra_hir/src/code_model_impl.rs
@@ -1,2 +1,2 @@
 mod krate; // `crate` is invalid ident :(
-pub(crate) mod module;
+mod module;
diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 2702961ba..e4249de14 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -73,7 +73,7 @@ pub trait HirDatabase: SyntaxDatabase
 
     fn submodules(source: ModuleSource) -> Cancelable<Arc<Vec<crate::module_tree::Submodule>>> {
         type SubmodulesQuery;
-        use fn query_definitions::submodules;
+        use fn crate::module_tree::Submodule::submodules_query;
     }
 
     fn input_module_items(source_root_id: SourceRootId, module_id: ModuleId) -> Cancelable<Arc<InputModuleItems>> {
diff --git a/crates/ra_hir/src/module_tree.rs b/crates/ra_hir/src/module_tree.rs
index cd82f25db..b7912ba5e 100644
--- a/crates/ra_hir/src/module_tree.rs
+++ b/crates/ra_hir/src/module_tree.rs
@@ -20,6 +20,40 @@ pub enum Submodule {
 }
 
 impl Submodule {
+    pub(crate) fn submodules_query(
+        db: &impl HirDatabase,
+        source: ModuleSource,
+    ) -> Cancelable<Arc<Vec<Submodule>>> {
+        db.check_canceled()?;
+        let file_id = source.file_id();
+        let submodules = match source.resolve(db) {
+            ModuleSourceNode::SourceFile(it) => collect_submodules(db, file_id, it.borrowed()),
+            ModuleSourceNode::Module(it) => it
+                .borrowed()
+                .item_list()
+                .map(|it| collect_submodules(db, file_id, it))
+                .unwrap_or_else(Vec::new),
+        };
+        return Ok(Arc::new(submodules));
+
+        fn collect_submodules<'a>(
+            db: &impl HirDatabase,
+            file_id: HirFileId,
+            root: impl ast::ModuleItemOwner<'a>,
+        ) -> Vec<Submodule> {
+            modules(root)
+                .map(|(name, m)| {
+                    if m.has_semi() {
+                        Submodule::Declaration(name)
+                    } else {
+                        let src = ModuleSource::new_inline(db, file_id, m);
+                        Submodule::Definition(name, src)
+                    }
+                })
+                .collect()
+        }
+    }
+
     fn name(&self) -> &Name {
         match self {
             Submodule::Declaration(name) => name,
diff --git a/crates/ra_hir/src/query_definitions.rs b/crates/ra_hir/src/query_definitions.rs
index b17c00e26..f4b380022 100644
--- a/crates/ra_hir/src/query_definitions.rs
+++ b/crates/ra_hir/src/query_definitions.rs
@@ -6,16 +6,16 @@ use std::{
 use rustc_hash::FxHashMap;
 use ra_syntax::{
     AstNode, SyntaxNode,
-    ast::{self, NameOwner, ModuleItemOwner}
+    ast::{self, ModuleItemOwner}
 };
 use ra_db::{SourceRootId, Cancelable,};
 
 use crate::{
-    SourceFileItems, SourceItemId, DefKind, DefId, Name, AsName, HirFileId,
+    SourceFileItems, SourceItemId, DefKind, DefId, HirFileId,
     MacroCallLoc,
     db::HirDatabase,
     function::FnScopes,
-    module_tree::{ModuleId, Submodule, ModuleSource, ModuleSourceNode},
+    module_tree::{ModuleId, ModuleSourceNode},
     nameres::{InputModuleItems, ItemMap, Resolver},
     adt::{StructData, EnumData},
 };
@@ -58,54 +58,6 @@ pub(super) fn file_item(db: &impl HirDatabase, source_item_id: SourceItemId) ->
     }
 }
 
-pub(crate) fn submodules(
-    db: &impl HirDatabase,
-    source: ModuleSource,
-) -> Cancelable<Arc<Vec<Submodule>>> {
-    db.check_canceled()?;
-    let file_id = source.file_id();
-    let submodules = match source.resolve(db) {
-        ModuleSourceNode::SourceFile(it) => collect_submodules(db, file_id, it.borrowed()),
-        ModuleSourceNode::Module(it) => it
-            .borrowed()
-            .item_list()
-            .map(|it| collect_submodules(db, file_id, it))
-            .unwrap_or_else(Vec::new),
-    };
-    return Ok(Arc::new(submodules));
-
-    fn collect_submodules<'a>(
-        db: &impl HirDatabase,
-        file_id: HirFileId,
-        root: impl ast::ModuleItemOwner<'a>,
-    ) -> Vec<Submodule> {
-        modules(root)
-            .map(|(name, m)| {
-                if m.has_semi() {
-                    Submodule::Declaration(name)
-                } else {
-                    let src = ModuleSource::new_inline(db, file_id, m);
-                    Submodule::Definition(name, src)
-                }
-            })
-            .collect()
-    }
-}
-
-pub(crate) fn modules<'a>(
-    root: impl ast::ModuleItemOwner<'a>,
-) -> impl Iterator<Item = (Name, ast::Module<'a>)> {
-    root.items()
-        .filter_map(|item| match item {
-            ast::ModuleItem::Module(m) => Some(m),
-            _ => None,
-        })
-        .filter_map(|module| {
-            let name = module.name()?.as_name();
-            Some((name, module))
-        })
-}
-
 pub(super) fn input_module_items(
     db: &impl HirDatabase,
     source_root_id: SourceRootId,