move mod_resolution to hir_def

crates/ra_hir/src/nameres.rs

@@ -49,7 +49,6 @@
 
 mod per_ns;
 mod collector;
-mod mod_resolution;
 #[cfg(test)]
 mod tests;
 

crates/ra_hir/src/nameres/collector.rs

@@ -1,6 +1,9 @@
 //! FIXME: write short doc here
 
-use hir_def::{attr::Attr, nameres::raw};
+use hir_def::{
+    attr::Attr,
+    nameres::{mod_resolution::ModDir, raw},
+};
 use hir_expand::name;
 use ra_cfg::CfgOptions;
 use ra_db::FileId;
@@ -12,8 +15,8 @@ use crate::{
     db::DefDatabase,
     ids::{AstItemDef, LocationCtx, MacroCallId, MacroCallLoc, MacroDefId, MacroFileKind},
     nameres::{
-        diagnostics::DefDiagnostic, mod_resolution::ModDir, Crate, CrateDefMap, CrateModuleId,
-        ModuleData, ModuleDef, PerNs, ReachedFixedPoint, Resolution, ResolveMode,
+        diagnostics::DefDiagnostic, Crate, CrateDefMap, CrateModuleId, ModuleData, ModuleDef,
+        PerNs, ReachedFixedPoint, Resolution, ResolveMode,
     },
     Adt, AstId, Const, Enum, Function, HirFileId, MacroDef, Module, Name, Path, PathKind, Static,
     Struct, Trait, TypeAlias, Union,

crates/ra_hir_def/src/nameres.rs

@@ -1,3 +1,5 @@
 //! FIXME: write short doc here
 
+// FIXME: review privacy of submodules
 pub mod raw;
+pub mod mod_resolution;

crates/ra_hir_def/src/nameres/mod_resolution.rs

@@ -1,12 +1,13 @@
 //! This module resolves `mod foo;` declaration to file.
+use hir_expand::name::Name;
 use ra_db::FileId;
 use ra_syntax::SmolStr;
 use relative_path::RelativePathBuf;
 
-use crate::{db::DefDatabase, HirFileId, Name};
+use crate::{db::DefDatabase2, HirFileId};
 
 #[derive(Clone, Debug)]
-pub(super) struct ModDir {
+pub struct ModDir {
     /// `.` for `mod.rs`, `lib.rs`
     /// `./foo` for `foo.rs`
     /// `./foo/bar` for `mod bar { mod x; }` nested in `foo.rs`
@@ -16,15 +17,11 @@ pub(super) struct ModDir {
 }
 
 impl ModDir {
-    pub(super) fn root() -> ModDir {
+    pub fn root() -> ModDir {
         ModDir { path: RelativePathBuf::default(), root_non_dir_owner: false }
     }
 
-    pub(super) fn descend_into_definition(
-        &self,
-        name: &Name,
-        attr_path: Option<&SmolStr>,
-    ) -> ModDir {
+    pub fn descend_into_definition(&self, name: &Name, attr_path: Option<&SmolStr>) -> ModDir {
         let mut path = self.path.clone();
         match attr_to_path(attr_path) {
             None => path.push(&name.to_string()),
@@ -38,9 +35,9 @@ impl ModDir {
         ModDir { path, root_non_dir_owner: false }
     }
 
-    pub(super) fn resolve_declaration(
+    pub fn resolve_declaration(
         &self,
-        db: &impl DefDatabase,
+        db: &impl DefDatabase2,
         file_id: HirFileId,
         name: &Name,
         attr_path: Option<&SmolStr>,