14 files changed, 34 insertions, 30 deletions

diff --git a/crates/ra_assists/src/utils/insert_use.rs b/crates/ra_assists/src/utils/insert_use.rs
index 8c4f33e59..c05027eff 100644
--- a/crates/ra_assists/src/utils/insert_use.rs
+++ b/crates/ra_assists/src/utils/insert_use.rs
@@ -215,7 +215,7 @@ fn walk_use_tree_for_best_action(
     let prev_len = current_path_segments.len();
 
     let tree_list = current_use_tree.use_tree_list();
-    let alias = current_use_tree.alias();
+    let alias = current_use_tree.rename();
 
     let path = match current_use_tree.path() {
         Some(path) => path,
diff --git a/crates/ra_hir_def/src/item_tree/lower.rs b/crates/ra_hir_def/src/item_tree/lower.rs
index 4fc21a642..6c58c6378 100644
--- a/crates/ra_hir_def/src/item_tree/lower.rs
+++ b/crates/ra_hir_def/src/item_tree/lower.rs
@@ -501,7 +501,7 @@ impl Ctx {
         extern_crate: &ast::ExternCrateItem,
     ) -> Option<FileItemTreeId<ExternCrate>> {
         let path = ModPath::from_name_ref(&extern_crate.name_ref()?);
-        let alias = extern_crate.alias().map(|a| {
+        let alias = extern_crate.rename().map(|a| {
             a.name().map(|it| it.as_name()).map_or(ImportAlias::Underscore, ImportAlias::Alias)
         });
         let visibility = self.lower_visibility(extern_crate);
diff --git a/crates/ra_hir_def/src/path/lower/lower_use.rs b/crates/ra_hir_def/src/path/lower/lower_use.rs
index 7cc655487..794be45e8 100644
--- a/crates/ra_hir_def/src/path/lower/lower_use.rs
+++ b/crates/ra_hir_def/src/path/lower/lower_use.rs
@@ -31,7 +31,7 @@ pub(crate) fn lower_use_tree(
             lower_use_tree(prefix.clone(), child_tree, hygiene, cb);
         }
     } else {
-        let alias = tree.alias().map(|a| {
+        let alias = tree.rename().map(|a| {
             a.name().map(|it| it.as_name()).map_or(ImportAlias::Underscore, ImportAlias::Alias)
         });
         let is_glob = tree.star_token().is_some();
diff --git a/crates/ra_ide_db/src/defs.rs b/crates/ra_ide_db/src/defs.rs
index f391a8e43..1464c5f2a 100644
--- a/crates/ra_ide_db/src/defs.rs
+++ b/crates/ra_ide_db/src/defs.rs
@@ -119,7 +119,7 @@ pub fn classify_name(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Option
 
     match_ast! {
         match parent {
-            ast::Alias(it) => {
+            ast::Rename(it) => {
                 let use_tree = it.syntax().parent().and_then(ast::UseTree::cast)?;
                 let path = use_tree.path()?;
                 let path_segment = path.segment()?;
diff --git a/crates/ra_parser/src/grammar.rs b/crates/ra_parser/src/grammar.rs
index 3350e23b9..7dfac2813 100644
--- a/crates/ra_parser/src/grammar.rs
+++ b/crates/ra_parser/src/grammar.rs
@@ -224,7 +224,7 @@ fn opt_alias(p: &mut Parser) {
         if !p.eat(T![_]) {
             name(p);
         }
-        m.complete(p, ALIAS);
+        m.complete(p, RENAME);
     }
 }
 
diff --git a/crates/ra_parser/src/syntax_kind/generated.rs b/crates/ra_parser/src/syntax_kind/generated.rs
index 56dadc6af..f14b60b65 100644
--- a/crates/ra_parser/src/syntax_kind/generated.rs
+++ b/crates/ra_parser/src/syntax_kind/generated.rs
@@ -221,7 +221,7 @@ pub enum SyntaxKind {
     PATH,
     PATH_SEGMENT,
     LITERAL,
-    ALIAS,
+    RENAME,
     VISIBILITY,
     WHERE_CLAUSE,
     WHERE_PRED,
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 01a310f66..2e958fa23 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -317,8 +317,12 @@ impl ast::UseTree {
             Some(it) => it,
             None => return self.clone(),
         };
-        let use_tree =
-            make::use_tree(suffix, self.use_tree_list(), self.alias(), self.star_token().is_some());
+        let use_tree = make::use_tree(
+            suffix,
+            self.use_tree_list(),
+            self.rename(),
+            self.star_token().is_some(),
+        );
         let nested = make::use_tree_list(iter::once(use_tree));
         return make::use_tree(prefix.clone(), Some(nested), None, false);
 
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index fbf3b457a..01e8111b0 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -75,7 +75,7 @@ impl ExternCrateItem {
     pub fn crate_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![crate]) }
     pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
     pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
-    pub fn alias(&self) -> Option<Alias> { support::child(&self.syntax) }
+    pub fn rename(&self) -> Option<Rename> { support::child(&self.syntax) }
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -1178,7 +1178,7 @@ impl UseTree {
     pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
     pub fn star_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![*]) }
     pub fn use_tree_list(&self) -> Option<UseTreeList> { support::child(&self.syntax) }
-    pub fn alias(&self) -> Option<Alias> { support::child(&self.syntax) }
+    pub fn rename(&self) -> Option<Rename> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct UseTreeList {
@@ -1190,11 +1190,11 @@ impl UseTreeList {
     pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Alias {
+pub struct Rename {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::NameOwner for Alias {}
-impl Alias {
+impl ast::NameOwner for Rename {}
+impl Rename {
     pub fn as_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![as]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -2683,8 +2683,8 @@ impl AstNode for UseTreeList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Alias {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ALIAS }
+impl AstNode for Rename {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RENAME }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -4040,7 +4040,7 @@ impl std::fmt::Display for UseTreeList {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Alias {
+impl std::fmt::Display for Rename {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
diff --git a/crates/ra_syntax/src/ast/make.rs b/crates/ra_syntax/src/ast/make.rs
index 192c610f1..2b05ed2d4 100644
--- a/crates/ra_syntax/src/ast/make.rs
+++ b/crates/ra_syntax/src/ast/make.rs
@@ -37,7 +37,7 @@ fn path_from_text(text: &str) -> ast::Path {
 pub fn use_tree(
     path: ast::Path,
     use_tree_list: Option<ast::UseTreeList>,
-    alias: Option<ast::Alias>,
+    alias: Option<ast::Rename>,
     add_star: bool,
 ) -> ast::UseTree {
     let mut buf = "use ".to_string();
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0043_use_alias.rast b/crates/ra_syntax/test_data/parser/inline/ok/0043_use_alias.rast
index f0e09d40d..8e9061e1d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0043_use_alias.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0043_use_alias.rast
@@ -13,7 +13,7 @@ [email protected]
           [email protected]
             [email protected] "path"
       [email protected] " "
-      ALIAS@15..27
+      RENAME@15..27
         [email protected] "as"
         [email protected] " "
         [email protected]
@@ -43,7 +43,7 @@ [email protected]
               [email protected]
                 [email protected] "path"
           [email protected] " "
-          ALIAS@54..72
+          RENAME@54..72
             [email protected] "as"
             [email protected] " "
             [email protected]
@@ -61,7 +61,7 @@ [email protected]
               [email protected]
                 [email protected] "path"
           [email protected] " "
-          ALIAS@91..108
+          RENAME@91..108
             [email protected] "as"
             [email protected] " "
             [email protected]
@@ -130,7 +130,7 @@ [email protected]
           [email protected]
             [email protected] "Trait"
       [email protected] " "
-      ALIAS@192..196
+      RENAME@192..196
         [email protected] "as"
         [email protected] " "
         [email protected] "_"
diff --git a/crates/ra_syntax/test_data/parser/ok/0007_extern_crate.rast b/crates/ra_syntax/test_data/parser/ok/0007_extern_crate.rast
index 271486605..948c4ddb3 100644
--- a/crates/ra_syntax/test_data/parser/ok/0007_extern_crate.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0007_extern_crate.rast
@@ -16,7 +16,7 @@ [email protected]
     [email protected]
       [email protected] "foo"
     [email protected] " "
-    ALIAS@35..41
+    RENAME@35..41
       [email protected] "as"
       [email protected] " "
       [email protected]
@@ -30,7 +30,7 @@ [email protected]
     [email protected] " "
     [email protected] "self"
     [email protected] " "
-    ALIAS@61..67
+    RENAME@61..67
       [email protected] "as"
       [email protected] " "
       [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0015_use_tree.rast b/crates/ra_syntax/test_data/parser/ok/0015_use_tree.rast
index 09e0050f0..cdddb4214 100644
--- a/crates/ra_syntax/test_data/parser/ok/0015_use_tree.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0015_use_tree.rast
@@ -8,7 +8,7 @@ [email protected]
           [email protected]
             [email protected] "foo"
       [email protected] " "
-      ALIAS@8..14
+      RENAME@8..14
         [email protected] "as"
         [email protected] " "
         [email protected]
@@ -32,7 +32,7 @@ [email protected]
               [email protected]
                 [email protected] "a"
           [email protected] " "
-          ALIAS@28..32
+          RENAME@28..32
             [email protected] "as"
             [email protected] " "
             [email protected]
@@ -55,7 +55,7 @@ [email protected]
               [email protected]
                 [email protected] "foo"
           [email protected] " "
-          ALIAS@48..52
+          RENAME@48..52
             [email protected] "as"
             [email protected] " "
             [email protected]
diff --git a/xtask/src/ast_src.rs b/xtask/src/ast_src.rs
index d2a408e77..bcd92c3bc 100644
--- a/xtask/src/ast_src.rs
+++ b/xtask/src/ast_src.rs
@@ -194,7 +194,7 @@ pub(crate) const KINDS_SRC: KindsSrc = KindsSrc {
         "PATH",
         "PATH_SEGMENT",
         "LITERAL",
-        "ALIAS",
+        "RENAME",
         "VISIBILITY",
         "WHERE_CLAUSE",
         "WHERE_PRED",
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 470ac8c8f..76c070402 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -396,16 +396,16 @@ UseItem =
   Attr* Visibility? 'use' UseTree ';'
 
 UseTree =
-  Path ('::' ('*' | UseTreeList))  Alias?
+  Path ('::' ('*' | UseTreeList))  Rename?
 
 UseTreeList =
   '{' UseTree* '}'
 
-Alias =
+Rename =
   'as' Name
 
 ExternCrateItem =
-  Attr* Visibility? 'extern' 'crate' (NameRef | 'self') Alias? ';'
+  Attr* Visibility? 'extern' 'crate' (NameRef | 'self') Rename? ';'
 
 Path =
   (qualifier:Path '::')? segment:PathSegment