From b302f69b7c5b1b966ec3f8637761ecb867e3bcca Mon Sep 17 00:00:00 2001
From: Charles Lew <crlf0710@gmail.com>
Date: Sun, 13 Sep 2020 10:24:19 +0800
Subject: Update chalk to 0.27 and adapt to chalk changes.

---
 crates/hir_def/src/item_tree.rs       | 1 +
 crates/hir_def/src/item_tree/lower.rs | 6 ++++--
 crates/hir_def/src/item_tree/tests.rs | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

(limited to 'crates/hir_def/src')

diff --git a/crates/hir_def/src/item_tree.rs b/crates/hir_def/src/item_tree.rs
index e14722cae..52abb8e7f 100644
--- a/crates/hir_def/src/item_tree.rs
+++ b/crates/hir_def/src/item_tree.rs
@@ -592,6 +592,7 @@ pub struct TypeAlias {
     pub bounds: Box<[TypeBound]>,
     pub generic_params: GenericParamsId,
     pub type_ref: Option<TypeRef>,
+    pub is_extern: bool,
     pub ast_id: FileAstId<ast::TypeAlias>,
 }
 
diff --git a/crates/hir_def/src/item_tree/lower.rs b/crates/hir_def/src/item_tree/lower.rs
index 6a503d785..d93377c3b 100644
--- a/crates/hir_def/src/item_tree/lower.rs
+++ b/crates/hir_def/src/item_tree/lower.rs
@@ -364,6 +364,7 @@ impl Ctx {
             generic_params,
             type_ref,
             ast_id,
+            is_extern: false,
         };
         Some(id(self.data().type_aliases.alloc(res)))
     }
@@ -558,8 +559,9 @@ impl Ctx {
                             statik.into()
                         }
                         ast::ExternItem::TypeAlias(ty) => {
-                            let id = self.lower_type_alias(&ty)?;
-                            id.into()
+                            let foreign_ty = self.lower_type_alias(&ty)?;
+                            self.data().type_aliases[foreign_ty.index].is_extern = true;
+                            foreign_ty.into()
                         }
                         ast::ExternItem::MacroCall(_) => return None,
                     };
diff --git a/crates/hir_def/src/item_tree/tests.rs b/crates/hir_def/src/item_tree/tests.rs
index 620e697d4..eed3d0d6f 100644
--- a/crates/hir_def/src/item_tree/tests.rs
+++ b/crates/hir_def/src/item_tree/tests.rs
@@ -236,7 +236,7 @@ fn smoke() {
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_trait"))] }, input: None }]) }]
             Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [TypeAlias(Idx::<TypeAlias>(0)), Const(Idx::<Const>(0)), Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(2) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_ty"))] }, input: None }]) }]
-            > TypeAlias { name: Name(Text("AssocTy")), visibility: RawVisibilityId("pub(self)"), bounds: [Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Tr"))] }, generic_args: [Some(GenericArgs { args: [Type(Tuple([]))], has_self_type: false, bindings: [] })] })], generic_params: GenericParamsId(4294967295), type_ref: None, ast_id: FileAstId::<syntax::ast::generated::nodes::TypeAlias>(8) }
+            > TypeAlias { name: Name(Text("AssocTy")), visibility: RawVisibilityId("pub(self)"), bounds: [Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Tr"))] }, generic_args: [Some(GenericArgs { args: [Type(Tuple([]))], has_self_type: false, bindings: [] })] })], generic_params: GenericParamsId(4294967295), type_ref: None, is_extern: false, ast_id: FileAstId::<syntax::ast::generated::nodes::TypeAlias>(8) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }]
             > Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<syntax::ast::generated::nodes::Const>(9) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }]
-- 
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