2 files changed, 25 insertions, 12 deletions

diff --git a/crates/hir_def/src/path/lower.rs b/crates/hir_def/src/path/lower.rs
index 1df6db525..3b3a3738f 100644
--- a/crates/hir_def/src/path/lower.rs
+++ b/crates/hir_def/src/path/lower.rs
@@ -2,7 +2,7 @@
 
 mod lower_use;
 
-use crate::intern::Interned;
+use crate::{db::DefDatabase, intern::Interned};
 use std::sync::Arc;
 
 use either::Either;
@@ -20,7 +20,11 @@ pub(super) use lower_use::lower_use_tree;
 
 /// Converts an `ast::Path` to `Path`. Works with use trees.
 /// It correctly handles `$crate` based path from macro call.
-pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
+pub(super) fn lower_path(
+    db: &dyn DefDatabase,
+    mut path: ast::Path,
+    ctx: &LowerCtx,
+) -> Option<Path> {
     let mut kind = PathKind::Plain;
     let mut type_anchor = None;
     let mut segments = Vec::new();
@@ -36,7 +40,7 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
         match segment.kind()? {
             ast::PathSegmentKind::Name(name_ref) => {
                 // FIXME: this should just return name
-                match hygiene.name_ref_to_name(name_ref) {
+                match hygiene.name_ref_to_name(db.upcast(), name_ref) {
                     Either::Left(name) => {
                         let args = segment
                             .generic_arg_list()
@@ -71,7 +75,7 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
                     }
                     // <T as Trait<A>>::Foo desugars to Trait<Self=T, A>::Foo
                     Some(trait_ref) => {
-                        let path = Path::from_src(trait_ref.path()?, ctx)?;
+                        let path = Path::from_src(db, trait_ref.path()?, ctx)?;
                         let mod_path = (*path.mod_path).clone();
                         let num_segments = path.mod_path.segments.len();
                         kind = mod_path.kind;
@@ -133,7 +137,7 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx) -> Option<Path> {
     // We follow what it did anyway :)
     if segments.len() == 1 && kind == PathKind::Plain {
         if let Some(_macro_call) = path.syntax().parent().and_then(ast::MacroCall::cast) {
-            if let Some(crate_id) = hygiene.local_inner_macros(path) {
+            if let Some(crate_id) = hygiene.local_inner_macros(db.upcast(), path) {
                 kind = PathKind::DollarCrate(crate_id);
             }
         }
diff --git a/crates/hir_def/src/path/lower/lower_use.rs b/crates/hir_def/src/path/lower/lower_use.rs
index e2965b033..ee80e3df3 100644
--- a/crates/hir_def/src/path/lower/lower_use.rs
+++ b/crates/hir_def/src/path/lower/lower_use.rs
@@ -7,9 +7,13 @@ use either::Either;
 use hir_expand::{hygiene::Hygiene, name::AsName};
 use syntax::ast::{self, NameOwner};
 
-use crate::path::{ImportAlias, ModPath, PathKind};
+use crate::{
+    db::DefDatabase,
+    path::{ImportAlias, ModPath, PathKind},
+};
 
 pub(crate) fn lower_use_tree(
+    db: &dyn DefDatabase,
     prefix: Option<ModPath>,
     tree: ast::UseTree,
     hygiene: &Hygiene,
@@ -21,13 +25,13 @@ pub(crate) fn lower_use_tree(
             None => prefix,
             // E.g. `use something::{inner}` (prefix is `None`, path is `something`)
             // or `use something::{path::{inner::{innerer}}}` (prefix is `something::path`, path is `inner`)
-            Some(path) => match convert_path(prefix, path, hygiene) {
+            Some(path) => match convert_path(db, prefix, path, hygiene) {
                 Some(it) => Some(it),
                 None => return, // FIXME: report errors somewhere
             },
         };
         for child_tree in use_tree_list.use_trees() {
-            lower_use_tree(prefix.clone(), child_tree, hygiene, cb);
+            lower_use_tree(db, prefix.clone(), child_tree, hygiene, cb);
         }
     } else {
         let alias = tree.rename().map(|a| {
@@ -47,7 +51,7 @@ pub(crate) fn lower_use_tree(
                     }
                 }
             }
-            if let Some(path) = convert_path(prefix, ast_path, hygiene) {
+            if let Some(path) = convert_path(db, prefix, ast_path, hygiene) {
                 cb(path, &tree, is_glob, alias)
             }
         // FIXME: report errors somewhere
@@ -61,9 +65,14 @@ pub(crate) fn lower_use_tree(
     }
 }
 
-fn convert_path(prefix: Option<ModPath>, path: ast::Path, hygiene: &Hygiene) -> Option<ModPath> {
+fn convert_path(
+    db: &dyn DefDatabase,
+    prefix: Option<ModPath>,
+    path: ast::Path,
+    hygiene: &Hygiene,
+) -> Option<ModPath> {
     let prefix = if let Some(qual) = path.qualifier() {
-        Some(convert_path(prefix, qual, hygiene)?)
+        Some(convert_path(db, prefix, qual, hygiene)?)
     } else {
         prefix
     };
@@ -71,7 +80,7 @@ fn convert_path(prefix: Option<ModPath>, path: ast::Path, hygiene: &Hygiene) ->
     let segment = path.segment()?;
     let res = match segment.kind()? {
         ast::PathSegmentKind::Name(name_ref) => {
-            match hygiene.name_ref_to_name(name_ref) {
+            match hygiene.name_ref_to_name(db.upcast(), name_ref) {
                 Either::Left(name) => {
                     // no type args in use
                     let mut res = prefix.unwrap_or_else(|| {