Provide more complete AST accessors to support usage in rustc

1 files changed, 7 insertions, 3 deletions

diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index 8d4b8b0f0..8338414fa 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -482,14 +482,17 @@ impl ExprCollector<'_> {
         self.collect_block_items(&block);
         let statements = block
             .statements()
-            .map(|s| match s {
+            .filter_map(|s| match s {
                 ast::Stmt::LetStmt(stmt) => {
                     let pat = self.collect_pat_opt(stmt.pat());
                     let type_ref = stmt.ascribed_type().map(TypeRef::from_ast);
                     let initializer = stmt.initializer().map(|e| self.collect_expr(e));
-                    Statement::Let { pat, type_ref, initializer }
+                    Some(Statement::Let { pat, type_ref, initializer })
                 }
-                ast::Stmt::ExprStmt(stmt) => Statement::Expr(self.collect_expr_opt(stmt.expr())),
+                ast::Stmt::ExprStmt(stmt) => {
+                    Some(Statement::Expr(self.collect_expr_opt(stmt.expr())))
+                }
+                ast::Stmt::ModuleItem(_) => None,
             })
             .collect();
         let tail = block.expr().map(|e| self.collect_expr(e));
@@ -541,6 +544,7 @@ impl ExprCollector<'_> {
                     let ast_id = self.expander.ast_id(&def);
                     (TraitLoc { container, ast_id }.intern(self.db).into(), def.name())
                 }
+                ast::ModuleItem::ExternBlock(_) => continue, // FIXME: collect from extern blocks
                 ast::ModuleItem::ImplDef(_)
                 | ast::ModuleItem::UseItem(_)
                 | ast::ModuleItem::ExternCrateItem(_)