2 files changed, 387 insertions, 388 deletions

diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index 6ce9c4adc..66821a31c 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -6,6 +6,20 @@ use crate::{
     SyntaxNode, SyntaxToken, T,
 };
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Name {
+    pub(crate) syntax: SyntaxNode,
+}
+impl Name {
+    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct NameRef {
+    pub(crate) syntax: SyntaxNode,
+}
+impl NameRef {
+    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Path {
     pub(crate) syntax: SyntaxNode,
 }
@@ -33,13 +47,6 @@ impl PathSegment {
     pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct NameRef {
-    pub(crate) syntax: SyntaxNode,
-}
-impl NameRef {
-    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct GenericArgList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -116,13 +123,16 @@ impl TypeBoundList {
     pub fn bounds(&self) -> AstChildren<TypeBound> { support::children(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SourceFile {
+pub struct MacroCall {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for SourceFile {}
-impl ast::ModuleItemOwner for SourceFile {}
-impl SourceFile {
-    pub fn shebang_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![shebang]) }
+impl ast::AttrsOwner for MacroCall {}
+impl ast::NameOwner for MacroCall {}
+impl MacroCall {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
+    pub fn token_tree(&self) -> Option<TokenTree> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Attr {
@@ -139,6 +149,41 @@ impl Attr {
     pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct TokenTree {
+    pub(crate) syntax: SyntaxNode,
+}
+impl TokenTree {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
+    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MacroItems {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::ModuleItemOwner for MacroItems {}
+impl MacroItems {}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MacroStmts {
+    pub(crate) syntax: SyntaxNode,
+}
+impl MacroStmts {
+    pub fn statements(&self) -> AstChildren<Stmt> { support::children(&self.syntax) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct SourceFile {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for SourceFile {}
+impl ast::ModuleItemOwner for SourceFile {}
+impl SourceFile {
+    pub fn shebang_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![shebang]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Const {
     pub(crate) syntax: SyntaxNode,
 }
@@ -228,18 +273,6 @@ impl Impl {
     pub fn assoc_item_list(&self) -> Option<AssocItemList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroCall {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for MacroCall {}
-impl ast::NameOwner for MacroCall {}
-impl MacroCall {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
-    pub fn token_tree(&self) -> Option<TokenTree> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Module {
     pub(crate) syntax: SyntaxNode,
 }
@@ -349,13 +382,6 @@ impl Visibility {
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Name {
-    pub(crate) syntax: SyntaxNode,
-}
-impl Name {
-    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ItemList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -589,18 +615,6 @@ pub struct Literal {
 impl ast::AttrsOwner for Literal {}
 impl Literal {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TokenTree {
-    pub(crate) syntax: SyntaxNode,
-}
-impl TokenTree {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
-    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
-    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ExprStmt {
     pub(crate) syntax: SyntaxNode,
 }
@@ -1097,28 +1111,15 @@ impl TypeBound {
     pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct OrPat {
-    pub(crate) syntax: SyntaxNode,
-}
-impl OrPat {
-    pub fn pats(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ParenPat {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ParenPat {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RefPat {
+pub struct BindPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl RefPat {
-    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+impl ast::AttrsOwner for BindPat {}
+impl ast::NameOwner for BindPat {}
+impl BindPat {
+    pub fn ref_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ref]) }
     pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn at_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![@]) }
     pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -1130,69 +1131,61 @@ impl BoxPat {
     pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BindPat {
+pub struct DotDotPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for BindPat {}
-impl ast::NameOwner for BindPat {}
-impl BindPat {
-    pub fn ref_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ref]) }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn at_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![@]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+impl DotDotPat {
+    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PlaceholderPat {
+pub struct LiteralPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl PlaceholderPat {
-    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
+impl LiteralPat {
+    pub fn literal(&self) -> Option<Literal> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct DotDotPat {
+pub struct MacroPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl DotDotPat {
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
+impl MacroPat {
+    pub fn macro_call(&self) -> Option<MacroCall> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PathPat {
+pub struct OrPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl PathPat {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl OrPat {
+    pub fn pats(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SlicePat {
+pub struct ParenPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl SlicePat {
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
+impl ParenPat {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RangePat {
+pub struct PathPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl RangePat {
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
-    pub fn dotdoteq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..=]) }
+impl PathPat {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LiteralPat {
+pub struct PlaceholderPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl LiteralPat {
-    pub fn literal(&self) -> Option<Literal> { support::child(&self.syntax) }
+impl PlaceholderPat {
+    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroPat {
+pub struct RangePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl MacroPat {
-    pub fn macro_call(&self) -> Option<MacroCall> { support::child(&self.syntax) }
-}
+impl RangePat {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct RecordPat {
     pub(crate) syntax: SyntaxNode,
@@ -1204,60 +1197,64 @@ impl RecordPat {
     }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordFieldPatList {
+pub struct RefPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl RecordFieldPatList {
-    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
-    pub fn record_field_pats(&self) -> AstChildren<RecordFieldPat> {
-        support::children(&self.syntax)
-    }
-    pub fn bind_pats(&self) -> AstChildren<BindPat> { support::children(&self.syntax) }
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
-    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
+impl RefPat {
+    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordFieldPat {
+pub struct SlicePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for RecordFieldPat {}
-impl RecordFieldPat {
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+impl SlicePat {
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TupleStructPat {
+pub struct TuplePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TupleStructPat {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl TuplePat {
     pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
     pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TuplePat {
+pub struct TupleStructPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TuplePat {
+impl TupleStructPat {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
     pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
     pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroItems {
+pub struct RecordFieldPatList {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::ModuleItemOwner for MacroItems {}
-impl MacroItems {}
+impl RecordFieldPatList {
+    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
+    pub fn record_field_pats(&self) -> AstChildren<RecordFieldPat> {
+        support::children(&self.syntax)
+    }
+    pub fn bind_pats(&self) -> AstChildren<BindPat> { support::children(&self.syntax) }
+    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
+    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
+}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroStmts {
+pub struct RecordFieldPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl MacroStmts {
-    pub fn statements(&self) -> AstChildren<Stmt> { support::children(&self.syntax) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::AttrsOwner for RecordFieldPat {}
+impl RecordFieldPat {
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum GenericArg {
@@ -1334,22 +1331,28 @@ pub enum Item {
 }
 impl ast::AttrsOwner for Item {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum Stmt {
+    ExprStmt(ExprStmt),
+    Item(Item),
+    LetStmt(LetStmt),
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Pat {
-    OrPat(OrPat),
-    ParenPat(ParenPat),
-    RefPat(RefPat),
-    BoxPat(BoxPat),
     BindPat(BindPat),
-    PlaceholderPat(PlaceholderPat),
+    BoxPat(BoxPat),
     DotDotPat(DotDotPat),
+    LiteralPat(LiteralPat),
+    MacroPat(MacroPat),
+    OrPat(OrPat),
+    ParenPat(ParenPat),
     PathPat(PathPat),
+    PlaceholderPat(PlaceholderPat),
+    RangePat(RangePat),
     RecordPat(RecordPat),
-    TupleStructPat(TupleStructPat),
-    TuplePat(TuplePat),
+    RefPat(RefPat),
     SlicePat(SlicePat),
-    RangePat(RangePat),
-    LiteralPat(LiteralPat),
-    MacroPat(MacroPat),
+    TuplePat(TuplePat),
+    TupleStructPat(TupleStructPat),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum FieldList {
@@ -1390,14 +1393,19 @@ pub enum GenericParam {
     TypeParam(TypeParam),
 }
 impl ast::AttrsOwner for GenericParam {}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum Stmt {
-    ExprStmt(ExprStmt),
-    Item(Item),
-    LetStmt(LetStmt),
+impl AstNode for Name {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Path {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH }
+impl AstNode for NameRef {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME_REF }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1407,8 +1415,8 @@ impl AstNode for Path {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PathSegment {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
+impl AstNode for Path {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1418,8 +1426,8 @@ impl AstNode for PathSegment {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for NameRef {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME_REF }
+impl AstNode for PathSegment {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1528,8 +1536,8 @@ impl AstNode for TypeBoundList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SourceFile {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SOURCE_FILE }
+impl AstNode for MacroCall {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_CALL }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1550,6 +1558,50 @@ impl AstNode for Attr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
+impl AstNode for TokenTree {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TOKEN_TREE }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
+impl AstNode for MacroItems {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_ITEMS }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
+impl AstNode for MacroStmts {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_STMTS }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
+impl AstNode for SourceFile {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SOURCE_FILE }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
 impl AstNode for Const {
     fn can_cast(kind: SyntaxKind) -> bool { kind == CONST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -1616,17 +1668,6 @@ impl AstNode for Impl {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroCall {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_CALL }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for Module {
     fn can_cast(kind: SyntaxKind) -> bool { kind == MODULE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -1715,17 +1756,6 @@ impl AstNode for Visibility {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Name {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for ItemList {
     fn can_cast(kind: SyntaxKind) -> bool { kind == ITEM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -1979,17 +2009,6 @@ impl AstNode for Literal {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TokenTree {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TOKEN_TREE }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for ExprStmt {
     fn can_cast(kind: SyntaxKind) -> bool { kind == EXPR_STMT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2540,8 +2559,8 @@ impl AstNode for TypeBound {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for OrPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == OR_PAT }
+impl AstNode for BindPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BIND_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2551,8 +2570,8 @@ impl AstNode for OrPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ParenPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_PAT }
+impl AstNode for BoxPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2562,8 +2581,8 @@ impl AstNode for ParenPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RefPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_PAT }
+impl AstNode for DotDotPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == DOT_DOT_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2573,8 +2592,8 @@ impl AstNode for RefPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BoxPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_PAT }
+impl AstNode for LiteralPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2584,8 +2603,8 @@ impl AstNode for BoxPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BindPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BIND_PAT }
+impl AstNode for MacroPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2595,8 +2614,8 @@ impl AstNode for BindPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PlaceholderPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PLACEHOLDER_PAT }
+impl AstNode for OrPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == OR_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2606,8 +2625,8 @@ impl AstNode for PlaceholderPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for DotDotPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == DOT_DOT_PAT }
+impl AstNode for ParenPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2628,8 +2647,8 @@ impl AstNode for PathPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SlicePat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_PAT }
+impl AstNode for PlaceholderPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PLACEHOLDER_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2650,28 +2669,6 @@ impl AstNode for RangePat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LiteralPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL_PAT }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
-impl AstNode for MacroPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_PAT }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for RecordPat {
     fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2683,8 +2680,8 @@ impl AstNode for RecordPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordFieldPatList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT_LIST }
+impl AstNode for RefPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2694,8 +2691,8 @@ impl AstNode for RecordFieldPatList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordFieldPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT }
+impl AstNode for SlicePat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2705,8 +2702,8 @@ impl AstNode for RecordFieldPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleStructPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_STRUCT_PAT }
+impl AstNode for TuplePat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2716,8 +2713,8 @@ impl AstNode for TupleStructPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TuplePat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_PAT }
+impl AstNode for TupleStructPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_STRUCT_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2727,8 +2724,8 @@ impl AstNode for TuplePat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroItems {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_ITEMS }
+impl AstNode for RecordFieldPatList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2738,8 +2735,8 @@ impl AstNode for MacroItems {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroStmts {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_STMTS }
+impl AstNode for RecordFieldPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -3133,98 +3130,107 @@ impl AstNode for Item {
         }
     }
 }
-impl From<OrPat> for Pat {
-    fn from(node: OrPat) -> Pat { Pat::OrPat(node) }
-}
-impl From<ParenPat> for Pat {
-    fn from(node: ParenPat) -> Pat { Pat::ParenPat(node) }
+impl From<ExprStmt> for Stmt {
+    fn from(node: ExprStmt) -> Stmt { Stmt::ExprStmt(node) }
 }
-impl From<RefPat> for Pat {
-    fn from(node: RefPat) -> Pat { Pat::RefPat(node) }
+impl From<Item> for Stmt {
+    fn from(node: Item) -> Stmt { Stmt::Item(node) }
 }
-impl From<BoxPat> for Pat {
-    fn from(node: BoxPat) -> Pat { Pat::BoxPat(node) }
+impl From<LetStmt> for Stmt {
+    fn from(node: LetStmt) -> Stmt { Stmt::LetStmt(node) }
 }
 impl From<BindPat> for Pat {
     fn from(node: BindPat) -> Pat { Pat::BindPat(node) }
 }
-impl From<PlaceholderPat> for Pat {
-    fn from(node: PlaceholderPat) -> Pat { Pat::PlaceholderPat(node) }
+impl From<BoxPat> for Pat {
+    fn from(node: BoxPat) -> Pat { Pat::BoxPat(node) }
 }
 impl From<DotDotPat> for Pat {
     fn from(node: DotDotPat) -> Pat { Pat::DotDotPat(node) }
 }
+impl From<LiteralPat> for Pat {
+    fn from(node: LiteralPat) -> Pat { Pat::LiteralPat(node) }
+}
+impl From<MacroPat> for Pat {
+    fn from(node: MacroPat) -> Pat { Pat::MacroPat(node) }
+}
+impl From<OrPat> for Pat {
+    fn from(node: OrPat) -> Pat { Pat::OrPat(node) }
+}
+impl From<ParenPat> for Pat {
+    fn from(node: ParenPat) -> Pat { Pat::ParenPat(node) }
+}
 impl From<PathPat> for Pat {
     fn from(node: PathPat) -> Pat { Pat::PathPat(node) }
 }
+impl From<PlaceholderPat> for Pat {
+    fn from(node: PlaceholderPat) -> Pat { Pat::PlaceholderPat(node) }
+}
+impl From<RangePat> for Pat {
+    fn from(node: RangePat) -> Pat { Pat::RangePat(node) }
+}
 impl From<RecordPat> for Pat {
     fn from(node: RecordPat) -> Pat { Pat::RecordPat(node) }
 }
-impl From<TupleStructPat> for Pat {
-    fn from(node: TupleStructPat) -> Pat { Pat::TupleStructPat(node) }
-}
-impl From<TuplePat> for Pat {
-    fn from(node: TuplePat) -> Pat { Pat::TuplePat(node) }
+impl From<RefPat> for Pat {
+    fn from(node: RefPat) -> Pat { Pat::RefPat(node) }
 }
 impl From<SlicePat> for Pat {
     fn from(node: SlicePat) -> Pat { Pat::SlicePat(node) }
 }
-impl From<RangePat> for Pat {
-    fn from(node: RangePat) -> Pat { Pat::RangePat(node) }
-}
-impl From<LiteralPat> for Pat {
-    fn from(node: LiteralPat) -> Pat { Pat::LiteralPat(node) }
+impl From<TuplePat> for Pat {
+    fn from(node: TuplePat) -> Pat { Pat::TuplePat(node) }
 }
-impl From<MacroPat> for Pat {
-    fn from(node: MacroPat) -> Pat { Pat::MacroPat(node) }
+impl From<TupleStructPat> for Pat {
+    fn from(node: TupleStructPat) -> Pat { Pat::TupleStructPat(node) }
 }
 impl AstNode for Pat {
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
-            OR_PAT | PAREN_PAT | REF_PAT | BOX_PAT | BIND_PAT | PLACEHOLDER_PAT | DOT_DOT_PAT
-            | PATH_PAT | RECORD_PAT | TUPLE_STRUCT_PAT | TUPLE_PAT | SLICE_PAT | RANGE_PAT
-            | LITERAL_PAT | MACRO_PAT => true,
+            BIND_PAT | BOX_PAT | DOT_DOT_PAT | LITERAL_PAT | MACRO_PAT | OR_PAT | PAREN_PAT
+            | PATH_PAT | PLACEHOLDER_PAT | RANGE_PAT | RECORD_PAT | REF_PAT | SLICE_PAT
+            | TUPLE_PAT | TUPLE_STRUCT_PAT => true,
             _ => false,
         }
     }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         let res = match syntax.kind() {
-            OR_PAT => Pat::OrPat(OrPat { syntax }),
-            PAREN_PAT => Pat::ParenPat(ParenPat { syntax }),
-            REF_PAT => Pat::RefPat(RefPat { syntax }),
-            BOX_PAT => Pat::BoxPat(BoxPat { syntax }),
             BIND_PAT => Pat::BindPat(BindPat { syntax }),
-            PLACEHOLDER_PAT => Pat::PlaceholderPat(PlaceholderPat { syntax }),
+            BOX_PAT => Pat::BoxPat(BoxPat { syntax }),
             DOT_DOT_PAT => Pat::DotDotPat(DotDotPat { syntax }),
+            LITERAL_PAT => Pat::LiteralPat(LiteralPat { syntax }),
+            MACRO_PAT => Pat::MacroPat(MacroPat { syntax }),
+            OR_PAT => Pat::OrPat(OrPat { syntax }),
+            PAREN_PAT => Pat::ParenPat(ParenPat { syntax }),
             PATH_PAT => Pat::PathPat(PathPat { syntax }),
+            PLACEHOLDER_PAT => Pat::PlaceholderPat(PlaceholderPat { syntax }),
+            RANGE_PAT => Pat::RangePat(RangePat { syntax }),
             RECORD_PAT => Pat::RecordPat(RecordPat { syntax }),
-            TUPLE_STRUCT_PAT => Pat::TupleStructPat(TupleStructPat { syntax }),
-            TUPLE_PAT => Pat::TuplePat(TuplePat { syntax }),
+            REF_PAT => Pat::RefPat(RefPat { syntax }),
             SLICE_PAT => Pat::SlicePat(SlicePat { syntax }),
-            RANGE_PAT => Pat::RangePat(RangePat { syntax }),
-            LITERAL_PAT => Pat::LiteralPat(LiteralPat { syntax }),
-            MACRO_PAT => Pat::MacroPat(MacroPat { syntax }),
+            TUPLE_PAT => Pat::TuplePat(TuplePat { syntax }),
+            TUPLE_STRUCT_PAT => Pat::TupleStructPat(TupleStructPat { syntax }),
             _ => return None,
         };
         Some(res)
     }
     fn syntax(&self) -> &SyntaxNode {
         match self {
-            Pat::OrPat(it) => &it.syntax,
-            Pat::ParenPat(it) => &it.syntax,
-            Pat::RefPat(it) => &it.syntax,
-            Pat::BoxPat(it) => &it.syntax,
             Pat::BindPat(it) => &it.syntax,
-            Pat::PlaceholderPat(it) => &it.syntax,
+            Pat::BoxPat(it) => &it.syntax,
             Pat::DotDotPat(it) => &it.syntax,
+            Pat::LiteralPat(it) => &it.syntax,
+            Pat::MacroPat(it) => &it.syntax,
+            Pat::OrPat(it) => &it.syntax,
+            Pat::ParenPat(it) => &it.syntax,
             Pat::PathPat(it) => &it.syntax,
+            Pat::PlaceholderPat(it) => &it.syntax,
+            Pat::RangePat(it) => &it.syntax,
             Pat::RecordPat(it) => &it.syntax,
-            Pat::TupleStructPat(it) => &it.syntax,
-            Pat::TuplePat(it) => &it.syntax,
+            Pat::RefPat(it) => &it.syntax,
             Pat::SlicePat(it) => &it.syntax,
-            Pat::RangePat(it) => &it.syntax,
-            Pat::LiteralPat(it) => &it.syntax,
-            Pat::MacroPat(it) => &it.syntax,
+            Pat::TuplePat(it) => &it.syntax,
+            Pat::TupleStructPat(it) => &it.syntax,
         }
     }
 }
@@ -3393,15 +3399,6 @@ impl AstNode for GenericParam {
         }
     }
 }
-impl From<ExprStmt> for Stmt {
-    fn from(node: ExprStmt) -> Stmt { Stmt::ExprStmt(node) }
-}
-impl From<Item> for Stmt {
-    fn from(node: Item) -> Stmt { Stmt::Item(node) }
-}
-impl From<LetStmt> for Stmt {
-    fn from(node: LetStmt) -> Stmt { Stmt::LetStmt(node) }
-}
 impl std::fmt::Display for GenericArg {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3422,6 +3419,11 @@ impl std::fmt::Display for Item {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
+impl std::fmt::Display for Stmt {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
 impl std::fmt::Display for Pat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3452,22 +3454,22 @@ impl std::fmt::Display for GenericParam {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Stmt {
+impl std::fmt::Display for Name {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Path {
+impl std::fmt::Display for NameRef {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for PathSegment {
+impl std::fmt::Display for Path {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for NameRef {
+impl std::fmt::Display for PathSegment {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -3517,7 +3519,7 @@ impl std::fmt::Display for TypeBoundList {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for SourceFile {
+impl std::fmt::Display for MacroCall {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -3527,6 +3529,26 @@ impl std::fmt::Display for Attr {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
+impl std::fmt::Display for TokenTree {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl std::fmt::Display for MacroItems {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl std::fmt::Display for MacroStmts {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl std::fmt::Display for SourceFile {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
 impl std::fmt::Display for Const {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3557,11 +3579,6 @@ impl std::fmt::Display for Impl {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for MacroCall {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for Module {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3602,11 +3619,6 @@ impl std::fmt::Display for Visibility {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Name {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for ItemList {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3722,11 +3734,6 @@ impl std::fmt::Display for Literal {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for TokenTree {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for ExprStmt {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -3977,37 +3984,37 @@ impl std::fmt::Display for TypeBound {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for OrPat {
+impl std::fmt::Display for BindPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for ParenPat {
+impl std::fmt::Display for BoxPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for RefPat {
+impl std::fmt::Display for DotDotPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for BoxPat {
+impl std::fmt::Display for LiteralPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for BindPat {
+impl std::fmt::Display for MacroPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for PlaceholderPat {
+impl std::fmt::Display for OrPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for DotDotPat {
+impl std::fmt::Display for ParenPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -4017,7 +4024,7 @@ impl std::fmt::Display for PathPat {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for SlicePat {
+impl std::fmt::Display for PlaceholderPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -4027,47 +4034,37 @@ impl std::fmt::Display for RangePat {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for LiteralPat {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
-impl std::fmt::Display for MacroPat {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for RecordPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for RecordFieldPatList {
+impl std::fmt::Display for RefPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for RecordFieldPat {
+impl std::fmt::Display for SlicePat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for TupleStructPat {
+impl std::fmt::Display for TuplePat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for TuplePat {
+impl std::fmt::Display for TupleStructPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for MacroItems {
+impl std::fmt::Display for RecordFieldPatList {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for MacroStmts {
+impl std::fmt::Display for RecordFieldPat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 2e3b45011..27bf563b6 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -1,3 +1,9 @@
+Name =
+  'ident'
+
+NameRef =
+  'ident' | 'int_number'
+
 Path =
   (qualifier:Path '::')? segment:PathSegment
 
@@ -29,6 +35,21 @@ LifetimeArg =
 ConstArg =
   Expr
 
+MacroCall =
+  Attr* Path '!' Name? TokenTree ';'?
+
+TokenTree =
+  '(' ')'
+| '{' '}'
+| '[' ']'
+
+MacroItems =
+  Item*
+
+MacroStmts =
+  statements:Stmt*
+  Expr?
+
 SourceFile =
   'shebang'?
   Attr*
@@ -475,41 +496,37 @@ TypeBound =
   'lifetime'
 | '?'? Type
 
-OrPat =
-  Pat*
-
-ParenPat =
-  '(' Pat ')'
-
-RefPat =
-  '&' 'mut'? Pat
-
-BoxPat =
-  'box' Path
-
-BindPat =
-  Attr* 'ref'? 'mut'? Name ('@' Pat)?
-
-PlaceholderPat =
-  '_'
+Pat =
+  BindPat
+| BoxPat
+| DotDotPat
+| LiteralPat
+| MacroPat
+| OrPat
+| ParenPat
+| PathPat
+| PlaceholderPat
+| RangePat
+| RecordPat
+| RefPat
+| SlicePat
+| TuplePat
+| TupleStructPat
 
-DotDotPat =
-  '..'
+LiteralPat =
+  Literal
 
 PathPat =
   Path
 
-SlicePat =
-  '[' args:Pat* ']'
+PlaceholderPat =
+  '_'
 
 RangePat =
-  '..' | '..='
-
-LiteralPat =
-  Literal
+  start:Pat op:('..' | '..=') end:Pat
 
-MacroPat =
-  MacroCall
+RefPat =
+  '&' 'mut'? Pat
 
 RecordPat =
   Path RecordFieldPatList
@@ -522,46 +539,31 @@ RecordFieldPatList =
   '}'
 
 RecordFieldPat =
-  Attr* NameRef ':' Pat
+  Attr* (NameRef ':')? Pat
 
-TupleStructPat =
-   Path '(' args:Pat* ')'
+OrPat =
+  Pat*
 
-TuplePat =
-   '(' args:Pat* ')'
+ParenPat =
+  '(' Pat ')'
 
-Name =
-  'ident'
+BoxPat =
+  'box' Path
 
-NameRef =
-  'ident' | 'int_number'
+BindPat =
+  Attr* 'ref'? 'mut'? Name ('@' Pat)?
 
-MacroCall =
-  Attr* Path '!' Name? TokenTree ';'?
+DotDotPat =
+  '..'
 
-TokenTree =
-  '(' ')' | '{' '}' | '[' ']'
+SlicePat =
+  '[' args:Pat* ']'
 
-MacroItems =
-  Item*
+MacroPat =
+  MacroCall
 
-MacroStmts =
-  statements:Stmt*
-  Expr?
+TupleStructPat =
+   Path '(' args:Pat* ')'
 
-Pat =
-  OrPat
-| ParenPat
-| RefPat
-| BoxPat
-| BindPat
-| PlaceholderPat
-| DotDotPat
-| PathPat
-| RecordPat
-| TupleStructPat
-| TuplePat
-| SlicePat
-| RangePat
-| LiteralPat
-| MacroPat
+TuplePat =
+   '(' args:Pat* ')'