18 files changed, 43 insertions, 42 deletions

diff --git a/crates/ra_assists/src/handlers/auto_import.rs b/crates/ra_assists/src/handlers/auto_import.rs
index 947be3b9b..01e7b7a44 100644
--- a/crates/ra_assists/src/handlers/auto_import.rs
+++ b/crates/ra_assists/src/handlers/auto_import.rs
@@ -92,7 +92,7 @@ impl AutoImportAssets {
 
     fn for_regular_path(path_under_caret: ast::Path, ctx: &AssistContext) -> Option<Self> {
         let syntax_under_caret = path_under_caret.syntax().to_owned();
-        if syntax_under_caret.ancestors().find_map(ast::UseItem::cast).is_some() {
+        if syntax_under_caret.ancestors().find_map(ast::Use::cast).is_some() {
             return None;
         }
 
diff --git a/crates/ra_assists/src/handlers/merge_imports.rs b/crates/ra_assists/src/handlers/merge_imports.rs
index 1beccb61c..c775fe25c 100644
--- a/crates/ra_assists/src/handlers/merge_imports.rs
+++ b/crates/ra_assists/src/handlers/merge_imports.rs
@@ -28,7 +28,7 @@ pub(crate) fn merge_imports(acc: &mut Assists, ctx: &AssistContext) -> Option<()
     let mut rewriter = SyntaxRewriter::default();
     let mut offset = ctx.offset();
 
-    if let Some(use_item) = tree.syntax().parent().and_then(ast::UseItem::cast) {
+    if let Some(use_item) = tree.syntax().parent().and_then(ast::Use::cast) {
         let (merged, to_delete) = next_prev()
             .filter_map(|dir| neighbor(&use_item, dir))
             .filter_map(|it| Some((it.clone(), it.use_tree()?)))
diff --git a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
index 3d51faa54..53496ede1 100644
--- a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
+++ b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
@@ -25,7 +25,7 @@ pub(crate) fn replace_qualified_name_with_use(
 ) -> Option<()> {
     let path: ast::Path = ctx.find_node_at_offset()?;
     // We don't want to mess with use statements
-    if path.syntax().ancestors().find_map(ast::UseItem::cast).is_some() {
+    if path.syntax().ancestors().find_map(ast::Use::cast).is_some() {
         return None;
     }
 
@@ -85,7 +85,7 @@ fn shorten_paths(rewriter: &mut SyntaxRewriter<'static>, node: SyntaxNode, path:
             match child {
                 // Don't modify `use` items, as this can break the `use` item when injecting a new
                 // import into the use tree.
-                ast::UseItem(_it) => continue,
+                ast::Use(_it) => continue,
                 // Don't descend into submodules, they don't have the same `use` items in scope.
                 ast::Module(_it) => continue,
 
diff --git a/crates/ra_assists/src/utils/insert_use.rs b/crates/ra_assists/src/utils/insert_use.rs
index c05027eff..617afe2e9 100644
--- a/crates/ra_assists/src/utils/insert_use.rs
+++ b/crates/ra_assists/src/utils/insert_use.rs
@@ -225,7 +225,7 @@ fn walk_use_tree_for_best_action(
                 current_use_tree
                     .syntax()
                     .ancestors()
-                    .find_map(ast::UseItem::cast)
+                    .find_map(ast::Use::cast)
                     .map(|it| it.syntax().clone()),
                 true,
             );
@@ -254,7 +254,7 @@ fn walk_use_tree_for_best_action(
             current_use_tree
                 .syntax()
                 .ancestors()
-                .find_map(ast::UseItem::cast)
+                .find_map(ast::Use::cast)
                 .map(|it| it.syntax().clone()),
             true,
         ),
@@ -304,7 +304,7 @@ fn walk_use_tree_for_best_action(
                 current_use_tree
                     .syntax()
                     .ancestors()
-                    .find_map(ast::UseItem::cast)
+                    .find_map(ast::Use::cast)
                     .map(|it| it.syntax().clone()),
                 true,
             );
@@ -377,7 +377,7 @@ fn best_action_for_target(
     let mut storage = Vec::with_capacity(16); // this should be the only allocation
     let best_action = container
         .children()
-        .filter_map(ast::UseItem::cast)
+        .filter_map(ast::Use::cast)
         .filter_map(|it| it.use_tree())
         .map(|u| walk_use_tree_for_best_action(&mut storage, None, u, target))
         .fold(None, |best, a| match best {
diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index bfd574c5d..5c57d8bde 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -670,7 +670,7 @@ impl ExprCollector<'_> {
                     }
                     ast::Item::ExternBlock(_) => return None, // FIXME: collect from extern blocks
                     ast::Item::ImplDef(_)
-                    | ast::Item::UseItem(_)
+                    | ast::Item::Use(_)
                     | ast::Item::ExternCrate(_)
                     | ast::Item::Module(_)
                     | ast::Item::MacroCall(_) => return None,
diff --git a/crates/ra_hir_def/src/item_tree.rs b/crates/ra_hir_def/src/item_tree.rs
index 4db7b2793..0bab9c6d8 100644
--- a/crates/ra_hir_def/src/item_tree.rs
+++ b/crates/ra_hir_def/src/item_tree.rs
@@ -411,7 +411,7 @@ macro_rules! mod_items {
 }
 
 mod_items! {
-    Import in imports -> ast::UseItem,
+    Import in imports -> ast::Use,
     ExternCrate in extern_crates -> ast::ExternCrate,
     Function in functions -> ast::FnDef,
     Struct in structs -> ast::StructDef,
@@ -482,7 +482,7 @@ pub struct Import {
     pub is_prelude: bool,
     /// AST ID of the `use` or `extern crate` item this import was derived from. Note that many
     /// `Import`s can map to the same `use` item.
-    pub ast_id: FileAstId<ast::UseItem>,
+    pub ast_id: FileAstId<ast::Use>,
 }
 
 #[derive(Debug, Clone, Eq, PartialEq)]
diff --git a/crates/ra_hir_def/src/item_tree/lower.rs b/crates/ra_hir_def/src/item_tree/lower.rs
index 8a36de311..8bd0362dc 100644
--- a/crates/ra_hir_def/src/item_tree/lower.rs
+++ b/crates/ra_hir_def/src/item_tree/lower.rs
@@ -95,7 +95,7 @@ impl Ctx {
             ast::Item::TraitDef(_) | ast::Item::ImplDef(_) | ast::Item::ExternBlock(_) => {}
 
             // These don't have inner items.
-            ast::Item::Module(_) | ast::Item::ExternCrate(_) | ast::Item::UseItem(_) => {}
+            ast::Item::Module(_) | ast::Item::ExternCrate(_) | ast::Item::Use(_) => {}
         };
 
         let attrs = Attrs::new(item, &self.hygiene);
@@ -110,7 +110,7 @@ impl Ctx {
             ast::Item::Module(ast) => self.lower_module(ast).map(Into::into),
             ast::Item::TraitDef(ast) => self.lower_trait(ast).map(Into::into),
             ast::Item::ImplDef(ast) => self.lower_impl(ast).map(Into::into),
-            ast::Item::UseItem(ast) => Some(ModItems(
+            ast::Item::Use(ast) => Some(ModItems(
                 self.lower_use(ast).into_iter().map(Into::into).collect::<SmallVec<_>>(),
             )),
             ast::Item::ExternCrate(ast) => self.lower_extern_crate(ast).map(Into::into),
@@ -469,7 +469,7 @@ impl Ctx {
         Some(id(self.data().impls.alloc(res)))
     }
 
-    fn lower_use(&mut self, use_item: &ast::UseItem) -> Vec<FileItemTreeId<Import>> {
+    fn lower_use(&mut self, use_item: &ast::Use) -> Vec<FileItemTreeId<Import>> {
         // FIXME: cfg_attr
         let is_prelude = use_item.has_atom_attr("prelude_import");
         let visibility = self.lower_visibility(use_item);
diff --git a/crates/ra_hir_def/src/path.rs b/crates/ra_hir_def/src/path.rs
index 190d6d98d..68b9f89c3 100644
--- a/crates/ra_hir_def/src/path.rs
+++ b/crates/ra_hir_def/src/path.rs
@@ -67,7 +67,7 @@ impl ModPath {
 
     /// Calls `cb` with all paths, represented by this use item.
     pub(crate) fn expand_use_item(
-        item_src: InFile<ast::UseItem>,
+        item_src: InFile<ast::Use>,
         hygiene: &Hygiene,
         mut cb: impl FnMut(ModPath, &ast::UseTree, /* is_glob */ bool, Option<ImportAlias>),
     ) {
diff --git a/crates/ra_ide/src/completion/completion_context.rs b/crates/ra_ide/src/completion/completion_context.rs
index c84d43d77..cc55f6dd6 100644
--- a/crates/ra_ide/src/completion/completion_context.rs
+++ b/crates/ra_ide/src/completion/completion_context.rs
@@ -36,7 +36,7 @@ pub(crate) struct CompletionContext<'a> {
     pub(super) expected_type: Option<Type>,
     pub(super) name_ref_syntax: Option<ast::NameRef>,
     pub(super) function_syntax: Option<ast::FnDef>,
-    pub(super) use_item_syntax: Option<ast::UseItem>,
+    pub(super) use_item_syntax: Option<ast::Use>,
     pub(super) record_lit_syntax: Option<ast::RecordLit>,
     pub(super) record_pat_syntax: Option<ast::RecordPat>,
     pub(super) record_field_syntax: Option<ast::RecordField>,
@@ -343,7 +343,7 @@ impl<'a> CompletionContext<'a> {
         }
 
         self.use_item_syntax =
-            self.sema.ancestors_with_macros(self.token.parent()).find_map(ast::UseItem::cast);
+            self.sema.ancestors_with_macros(self.token.parent()).find_map(ast::Use::cast);
 
         self.function_syntax = self
             .sema
diff --git a/crates/ra_ide/src/folding_ranges.rs b/crates/ra_ide/src/folding_ranges.rs
index 315808890..bad079146 100644
--- a/crates/ra_ide/src/folding_ranges.rs
+++ b/crates/ra_ide/src/folding_ranges.rs
@@ -58,7 +58,7 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> {
             }
             NodeOrToken::Node(node) => {
                 // Fold groups of imports
-                if node.kind() == USE_ITEM && !visited_imports.contains(&node) {
+                if node.kind() == USE && !visited_imports.contains(&node) {
                     if let Some(range) = contiguous_range_for_group(&node, &mut visited_imports) {
                         res.push(Fold { range, kind: FoldKind::Imports })
                     }
@@ -83,7 +83,7 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> {
 fn fold_kind(kind: SyntaxKind) -> Option<FoldKind> {
     match kind {
         COMMENT => Some(FoldKind::Comment),
-        USE_ITEM => Some(FoldKind::Imports),
+        USE => Some(FoldKind::Imports),
         ARG_LIST | PARAM_LIST => Some(FoldKind::ArgList),
         RECORD_FIELD_DEF_LIST
         | RECORD_FIELD_PAT_LIST
diff --git a/crates/ra_parser/src/grammar/items/use_item.rs b/crates/ra_parser/src/grammar/items/use_item.rs
index 3a0c7a31a..8e836a77e 100644
--- a/crates/ra_parser/src/grammar/items/use_item.rs
+++ b/crates/ra_parser/src/grammar/items/use_item.rs
@@ -7,7 +7,7 @@ pub(super) fn use_item(p: &mut Parser, m: Marker) {
     p.bump(T![use]);
     use_tree(p, true);
     p.expect(T![;]);
-    m.complete(p, USE_ITEM);
+    m.complete(p, USE);
 }
 
 /// Parse a use 'tree', such as `some::path` in `use some::path;`
diff --git a/crates/ra_parser/src/syntax_kind/generated.rs b/crates/ra_parser/src/syntax_kind/generated.rs
index 116b58858..4f35e0baa 100644
--- a/crates/ra_parser/src/syntax_kind/generated.rs
+++ b/crates/ra_parser/src/syntax_kind/generated.rs
@@ -130,7 +130,7 @@ pub enum SyntaxKind {
     RET_TYPE,
     EXTERN_CRATE,
     MODULE,
-    USE_ITEM,
+    USE,
     STATIC_DEF,
     CONST_DEF,
     TRAIT_DEF,
diff --git a/crates/ra_ssr/src/search.rs b/crates/ra_ssr/src/search.rs
index 0f512cb62..213dc494f 100644
--- a/crates/ra_ssr/src/search.rs
+++ b/crates/ra_ssr/src/search.rs
@@ -237,7 +237,7 @@ fn is_search_permitted(node: &SyntaxNode) -> bool {
     // and the code is `use foo::{baz, bar}`, we'll match `bar`, since it resolves to `foo::bar`.
     // However we'll then replace just the part we matched `bar`. We probably need to instead remove
     // `bar` and insert a new use declaration.
-    node.kind() != SyntaxKind::USE_ITEM
+    node.kind() != SyntaxKind::USE
 }
 
 impl UsageCache {
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 2e958fa23..6ebe10ff6 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -262,9 +262,9 @@ impl ast::PathSegment {
     }
 }
 
-impl ast::UseItem {
+impl ast::Use {
     #[must_use]
-    pub fn with_use_tree(&self, use_tree: ast::UseTree) -> ast::UseItem {
+    pub fn with_use_tree(&self, use_tree: ast::UseTree) -> ast::Use {
         if let Some(old) = self.use_tree() {
             return self.replace_descendant(old, use_tree);
         }
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index 9d8127a3d..be657699f 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -213,12 +213,12 @@ impl UnionDef {
     }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct UseItem {
+pub struct Use {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for UseItem {}
-impl ast::VisibilityOwner for UseItem {}
-impl UseItem {
+impl ast::AttrsOwner for Use {}
+impl ast::VisibilityOwner for Use {}
+impl Use {
     pub fn use_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![use]) }
     pub fn use_tree(&self) -> Option<UseTree> { support::child(&self.syntax) }
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
@@ -1283,7 +1283,7 @@ pub enum Item {
     TraitDef(TraitDef),
     TypeAliasDef(TypeAliasDef),
     UnionDef(UnionDef),
-    UseItem(UseItem),
+    Use(Use),
 }
 impl ast::AttrsOwner for Item {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -1562,8 +1562,8 @@ impl AstNode for UnionDef {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for UseItem {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == USE_ITEM }
+impl AstNode for Use {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == USE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2811,15 +2811,16 @@ impl From<TypeAliasDef> for Item {
 impl From<UnionDef> for Item {
     fn from(node: UnionDef) -> Item { Item::UnionDef(node) }
 }
-impl From<UseItem> for Item {
-    fn from(node: UseItem) -> Item { Item::UseItem(node) }
+impl From<Use> for Item {
+    fn from(node: Use) -> Item { Item::Use(node) }
 }
 impl AstNode for Item {
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
             CONST_DEF | ENUM_DEF | EXTERN_BLOCK | EXTERN_CRATE | FN_DEF | IMPL_DEF | MACRO_CALL
-            | MODULE | STATIC_DEF | STRUCT_DEF | TRAIT_DEF | TYPE_ALIAS_DEF | UNION_DEF
-            | USE_ITEM => true,
+            | MODULE | STATIC_DEF | STRUCT_DEF | TRAIT_DEF | TYPE_ALIAS_DEF | UNION_DEF | USE => {
+                true
+            }
             _ => false,
         }
     }
@@ -2838,7 +2839,7 @@ impl AstNode for Item {
             TRAIT_DEF => Item::TraitDef(TraitDef { syntax }),
             TYPE_ALIAS_DEF => Item::TypeAliasDef(TypeAliasDef { syntax }),
             UNION_DEF => Item::UnionDef(UnionDef { syntax }),
-            USE_ITEM => Item::UseItem(UseItem { syntax }),
+            USE => Item::Use(Use { syntax }),
             _ => return None,
         };
         Some(res)
@@ -2858,7 +2859,7 @@ impl AstNode for Item {
             Item::TraitDef(it) => &it.syntax,
             Item::TypeAliasDef(it) => &it.syntax,
             Item::UnionDef(it) => &it.syntax,
-            Item::UseItem(it) => &it.syntax,
+            Item::Use(it) => &it.syntax,
         }
     }
 }
@@ -3531,7 +3532,7 @@ impl std::fmt::Display for UnionDef {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for UseItem {
+impl std::fmt::Display for Use {
     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 2b05ed2d4..0ff69bc2d 100644
--- a/crates/ra_syntax/src/ast/make.rs
+++ b/crates/ra_syntax/src/ast/make.rs
@@ -60,7 +60,7 @@ pub fn use_tree_list(use_trees: impl IntoIterator<Item = ast::UseTree>) -> ast::
     ast_from_text(&format!("use {{{}}};", use_trees))
 }
 
-pub fn use_item(use_tree: ast::UseTree) -> ast::UseItem {
+pub fn use_item(use_tree: ast::UseTree) -> ast::Use {
     ast_from_text(&format!("use {};", use_tree))
 }
 
diff --git a/xtask/src/ast_src.rs b/xtask/src/ast_src.rs
index 083727c5c..3a58217c4 100644
--- a/xtask/src/ast_src.rs
+++ b/xtask/src/ast_src.rs
@@ -100,7 +100,7 @@ pub(crate) const KINDS_SRC: KindsSrc = KindsSrc {
         "RET_TYPE",
         "EXTERN_CRATE",
         "MODULE",
-        "USE_ITEM",
+        "USE",
         "STATIC_DEF",
         "CONST_DEF",
         "TRAIT_DEF",
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 2ba68457f..449b0242f 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -17,7 +17,7 @@ Item =
 | TraitDef
 | TypeAliasDef
 | UnionDef
-| UseItem
+| Use
 
 Module =
   Attr* Visibility? 'mod' Name
@@ -32,7 +32,7 @@ ExternCrate =
 Rename =
   'as' (Name | '_')
 
-UseItem =
+Use =
   Attr* Visibility? 'use' UseTree ';'
 
 UseTree =