2 files changed, 18 insertions, 17 deletions

diff --git a/crates/ra_ide/src/impls.rs b/crates/ra_ide/src/impls.rs
index 31195036e..bd14a6d13 100644
--- a/crates/ra_ide/src/impls.rs
+++ b/crates/ra_ide/src/impls.rs
@@ -1,6 +1,6 @@
 //! FIXME: write short doc here
 
-use hir::{FromSource, ImplBlock};
+use hir::{ImplBlock, SourceBinder};
 use ra_db::SourceDatabase;
 use ra_syntax::{algo::find_node_at_offset, ast, AstNode};
 
@@ -12,6 +12,7 @@ pub(crate) fn goto_implementation(
 ) -> Option<RangeInfo<Vec<NavigationTarget>>> {
     let parse = db.parse(position.file_id);
     let syntax = parse.tree().syntax().clone();
+    let mut sb = SourceBinder::new(db);
 
     let src = hir::ModuleSource::from_position(db, position);
     let module = hir::Module::from_definition(
@@ -22,12 +23,12 @@ pub(crate) fn goto_implementation(
     if let Some(nominal_def) = find_node_at_offset::<ast::NominalDef>(&syntax, position.offset) {
         return Some(RangeInfo::new(
             nominal_def.syntax().text_range(),
-            impls_for_def(db, position, &nominal_def, module)?,
+            impls_for_def(&mut sb, position, &nominal_def, module)?,
         ));
     } else if let Some(trait_def) = find_node_at_offset::<ast::TraitDef>(&syntax, position.offset) {
         return Some(RangeInfo::new(
             trait_def.syntax().text_range(),
-            impls_for_trait(db, position, &trait_def, module)?,
+            impls_for_trait(&mut sb, position, &trait_def, module)?,
         ));
     }
 
@@ -35,7 +36,7 @@ pub(crate) fn goto_implementation(
 }
 
 fn impls_for_def(
-    db: &RootDatabase,
+    sb: &mut SourceBinder<RootDatabase>,
     position: FilePosition,
     node: &ast::NominalDef,
     module: hir::Module,
@@ -43,43 +44,43 @@ fn impls_for_def(
     let ty = match node {
         ast::NominalDef::StructDef(def) => {
             let src = hir::InFile { file_id: position.file_id.into(), value: def.clone() };
-            hir::Struct::from_source(db, src)?.ty(db)
+            sb.to_def::<hir::Struct, _>(src)?.ty(sb.db)
         }
         ast::NominalDef::EnumDef(def) => {
             let src = hir::InFile { file_id: position.file_id.into(), value: def.clone() };
-            hir::Enum::from_source(db, src)?.ty(db)
+            sb.to_def::<hir::Enum, _>(src)?.ty(sb.db)
         }
         ast::NominalDef::UnionDef(def) => {
             let src = hir::InFile { file_id: position.file_id.into(), value: def.clone() };
-            hir::Union::from_source(db, src)?.ty(db)
+            sb.to_def::<hir::Union, _>(src)?.ty(sb.db)
         }
     };
 
     let krate = module.krate();
-    let impls = ImplBlock::all_in_crate(db, krate);
+    let impls = ImplBlock::all_in_crate(sb.db, krate);
 
     Some(
         impls
             .into_iter()
-            .filter(|impl_block| ty.is_equal_for_find_impls(&impl_block.target_ty(db)))
-            .map(|imp| imp.to_nav(db))
+            .filter(|impl_block| ty.is_equal_for_find_impls(&impl_block.target_ty(sb.db)))
+            .map(|imp| imp.to_nav(sb.db))
             .collect(),
     )
 }
 
 fn impls_for_trait(
-    db: &RootDatabase,
+    sb: &mut SourceBinder<RootDatabase>,
     position: FilePosition,
     node: &ast::TraitDef,
     module: hir::Module,
 ) -> Option<Vec<NavigationTarget>> {
     let src = hir::InFile { file_id: position.file_id.into(), value: node.clone() };
-    let tr = hir::Trait::from_source(db, src)?;
+    let tr = sb.to_def(src)?;
 
     let krate = module.krate();
-    let impls = ImplBlock::for_trait(db, krate, tr);
+    let impls = ImplBlock::for_trait(sb.db, krate, tr);
 
-    Some(impls.into_iter().map(|imp| imp.to_nav(db)).collect())
+    Some(impls.into_iter().map(|imp| imp.to_nav(sb.db)).collect())
 }
 
 #[cfg(test)]
@@ -210,7 +211,7 @@ mod tests {
             "
             //- /lib.rs
             #[derive(Copy)]
-            struct Foo<|>;            
+            struct Foo<|>;
             ",
             &["impl IMPL_BLOCK FileId(1) [0; 15)"],
         );
diff --git a/crates/ra_ide/src/references/classify.rs b/crates/ra_ide/src/references/classify.rs
index 4a6e11e27..dcffc3df2 100644
--- a/crates/ra_ide/src/references/classify.rs
+++ b/crates/ra_ide/src/references/classify.rs
@@ -1,6 +1,6 @@
 //! Functions that are used to classify an element from its definition or reference.
 
-use hir::{FromSource, InFile, Module, ModuleSource, PathResolution, SourceBinder};
+use hir::{InFile, Module, ModuleSource, PathResolution, SourceBinder};
 use ra_prof::profile;
 use ra_syntax::{ast, match_ast, AstNode};
 use test_utils::tested_by;
@@ -101,7 +101,7 @@ pub(crate) fn classify_name(
             },
             ast::MacroCall(it) => {
                 let src = name.with_value(it);
-                let def = hir::MacroDef::from_source(sb.db, src.clone())?;
+                let def = sb.to_def(src.clone())?;
 
                 let module_src = ModuleSource::from_child_node(sb.db, src.as_ref().map(|it| it.syntax()));
                 let module = Module::from_definition(sb.db, src.with_value(module_src))?;