From 6a4cf48bffb739c3657443ae308fc0c91215d4d3 Mon Sep 17 00:00:00 2001
From: gfreezy <gfreezy@gmail.com>
Date: Fri, 20 Sep 2019 23:20:43 +0800
Subject: fix module attr path

---
 crates/ra_hir/src/nameres/collector.rs            |  8 +++++-
 crates/ra_hir/src/nameres/mod_resolution.rs       |  3 ++-
 crates/ra_hir/src/nameres/tests/mod_resolution.rs | 31 +++++++++++++++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/nameres/collector.rs b/crates/ra_hir/src/nameres/collector.rs
index a6b9b41d0..6b253ac40 100644
--- a/crates/ra_hir/src/nameres/collector.rs
+++ b/crates/ra_hir/src/nameres/collector.rs
@@ -1,5 +1,5 @@
 use ra_db::FileId;
-use ra_syntax::ast;
+use ra_syntax::{ast, SmolStr};
 use rustc_hash::FxHashMap;
 use test_utils::tested_by;
 
@@ -98,6 +98,7 @@ where
         self.def_map.modules[module_id].definition = Some(file_id);
         ModCollector {
             def_collector: &mut *self,
+            attr_path: None,
             module_id,
             file_id: file_id.into(),
             raw_items: &raw_items,
@@ -474,6 +475,7 @@ where
             ModCollector {
                 def_collector: &mut *self,
                 file_id,
+                attr_path: None,
                 module_id,
                 raw_items: &raw_items,
                 parent_module: None,
@@ -497,6 +499,7 @@ struct ModCollector<'a, D> {
     def_collector: D,
     module_id: CrateModuleId,
     file_id: HirFileId,
+    attr_path: Option<&'a SmolStr>,
     raw_items: &'a raw::RawItems,
     parent_module: Option<ParentModule<'a>>,
 }
@@ -551,6 +554,7 @@ where
                 ModCollector {
                     def_collector: &mut *self.def_collector,
                     module_id,
+                    attr_path: attr_path.as_ref(),
                     file_id: self.file_id,
                     raw_items: self.raw_items,
                     parent_module: Some(parent_module),
@@ -567,6 +571,7 @@ where
                 match resolve_submodule(
                     self.def_collector.db,
                     self.file_id,
+                    self.attr_path,
                     name,
                     is_root,
                     attr_path.as_ref(),
@@ -578,6 +583,7 @@ where
                         ModCollector {
                             def_collector: &mut *self.def_collector,
                             module_id,
+                            attr_path: attr_path.as_ref(),
                             file_id: file_id.into(),
                             raw_items: &raw_items,
                             parent_module: None,
diff --git a/crates/ra_hir/src/nameres/mod_resolution.rs b/crates/ra_hir/src/nameres/mod_resolution.rs
index a9e9eb9e6..3aa32bd66 100644
--- a/crates/ra_hir/src/nameres/mod_resolution.rs
+++ b/crates/ra_hir/src/nameres/mod_resolution.rs
@@ -23,6 +23,7 @@ impl<'a> ParentModule<'a> {
 pub(super) fn resolve_submodule(
     db: &impl DefDatabase,
     file_id: HirFileId,
+    mod_attr_path: Option<&SmolStr>,
     name: &Name,
     is_root: bool,
     attr_path: Option<&SmolStr>,
@@ -80,7 +81,7 @@ pub(super) fn resolve_submodule(
             ResolutionMode::OutOfLine(OutOfLineMode::WithAttributePath(path))
         }
         (None, None) => {
-            let is_dir_owner = is_root || mod_name == "mod";
+            let is_dir_owner = is_root || mod_name == "mod" || mod_attr_path.is_some();
             if is_dir_owner {
                 let file_mod = dir_path.join(format!("{}.rs", name));
                 let dir_mod = dir_path.join(format!("{}/mod.rs", name));
diff --git a/crates/ra_hir/src/nameres/tests/mod_resolution.rs b/crates/ra_hir/src/nameres/tests/mod_resolution.rs
index 4f8398460..e3e6f1e95 100644
--- a/crates/ra_hir/src/nameres/tests/mod_resolution.rs
+++ b/crates/ra_hir/src/nameres/tests/mod_resolution.rs
@@ -706,3 +706,34 @@ fn unresolved_module_diagnostics() {
     "###
     );
 }
+
+#[test]
+fn module_resolution_decl_inside_module_in_non_crate_root_2() {
+    let map = def_map_with_crate_graph(
+        r###"
+        //- /main.rs
+        #[path="module/m2.rs"]
+        mod module;
+
+        //- /module/m2.rs
+        pub mod submod;
+
+        //- /module/submod.rs
+        pub struct Baz;
+        "###,
+        crate_graph! {
+            "main": ("/main.rs", []),
+        },
+    );
+
+    assert_snapshot!(map, @r###"
+        ⋮crate
+        ⋮module: t
+        ⋮
+        ⋮crate::module
+        ⋮submod: t
+        ⋮
+        ⋮crate::module::submod
+        ⋮Baz: t v
+    "###);
+}
-- 
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