1 files changed, 651 insertions, 0 deletions

diff --git a/crates/ra_syntax/src/ast/generated/tokens.rs b/crates/ra_syntax/src/ast/generated/tokens.rs
index 27b2d2977..3aea5bef1 100644
--- a/crates/ra_syntax/src/ast/generated/tokens.rs
+++ b/crates/ra_syntax/src/ast/generated/tokens.rs
@@ -3056,3 +3056,654 @@ impl AstToken for RDollar {
         &self.syntax
     }
 }
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum LeftDelimiter {
+    LParen(LParen),
+    LBrack(LBrack),
+    LCurly(LCurly),
+}
+impl From<LParen> for LeftDelimiter {
+    fn from(node: LParen) -> LeftDelimiter {
+        LeftDelimiter::LParen(node)
+    }
+}
+impl From<LBrack> for LeftDelimiter {
+    fn from(node: LBrack) -> LeftDelimiter {
+        LeftDelimiter::LBrack(node)
+    }
+}
+impl From<LCurly> for LeftDelimiter {
+    fn from(node: LCurly) -> LeftDelimiter {
+        LeftDelimiter::LCurly(node)
+    }
+}
+impl std::fmt::Display for LeftDelimiter {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for LeftDelimiter {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            L_PAREN | L_BRACK | L_CURLY => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            L_PAREN => LeftDelimiter::LParen(LParen { syntax }),
+            L_BRACK => LeftDelimiter::LBrack(LBrack { syntax }),
+            L_CURLY => LeftDelimiter::LCurly(LCurly { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            LeftDelimiter::LParen(it) => &it.syntax,
+            LeftDelimiter::LBrack(it) => &it.syntax,
+            LeftDelimiter::LCurly(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum RightDelimiter {
+    RParen(RParen),
+    RBrack(RBrack),
+    RCurly(RCurly),
+}
+impl From<RParen> for RightDelimiter {
+    fn from(node: RParen) -> RightDelimiter {
+        RightDelimiter::RParen(node)
+    }
+}
+impl From<RBrack> for RightDelimiter {
+    fn from(node: RBrack) -> RightDelimiter {
+        RightDelimiter::RBrack(node)
+    }
+}
+impl From<RCurly> for RightDelimiter {
+    fn from(node: RCurly) -> RightDelimiter {
+        RightDelimiter::RCurly(node)
+    }
+}
+impl std::fmt::Display for RightDelimiter {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for RightDelimiter {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            R_PAREN | R_BRACK | R_CURLY => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            R_PAREN => RightDelimiter::RParen(RParen { syntax }),
+            R_BRACK => RightDelimiter::RBrack(RBrack { syntax }),
+            R_CURLY => RightDelimiter::RCurly(RCurly { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            RightDelimiter::RParen(it) => &it.syntax,
+            RightDelimiter::RBrack(it) => &it.syntax,
+            RightDelimiter::RCurly(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum RangeSeparator {
+    Dotdot(Dotdot),
+    Dotdotdot(Dotdotdot),
+    Dotdoteq(Dotdoteq),
+}
+impl From<Dotdot> for RangeSeparator {
+    fn from(node: Dotdot) -> RangeSeparator {
+        RangeSeparator::Dotdot(node)
+    }
+}
+impl From<Dotdotdot> for RangeSeparator {
+    fn from(node: Dotdotdot) -> RangeSeparator {
+        RangeSeparator::Dotdotdot(node)
+    }
+}
+impl From<Dotdoteq> for RangeSeparator {
+    fn from(node: Dotdoteq) -> RangeSeparator {
+        RangeSeparator::Dotdoteq(node)
+    }
+}
+impl std::fmt::Display for RangeSeparator {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for RangeSeparator {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            DOTDOT | DOTDOTDOT | DOTDOTEQ => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            DOTDOT => RangeSeparator::Dotdot(Dotdot { syntax }),
+            DOTDOTDOT => RangeSeparator::Dotdotdot(Dotdotdot { syntax }),
+            DOTDOTEQ => RangeSeparator::Dotdoteq(Dotdoteq { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            RangeSeparator::Dotdot(it) => &it.syntax,
+            RangeSeparator::Dotdotdot(it) => &it.syntax,
+            RangeSeparator::Dotdoteq(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum BinOp {
+    Pipepipe(Pipepipe),
+    Ampamp(Ampamp),
+    Eqeq(Eqeq),
+    Neq(Neq),
+    Lteq(Lteq),
+    Gteq(Gteq),
+    LAngle(LAngle),
+    RAngle(RAngle),
+    Plus(Plus),
+    Star(Star),
+    Minus(Minus),
+    Slash(Slash),
+    Percent(Percent),
+    Shl(Shl),
+    Shr(Shr),
+    Caret(Caret),
+    Pipe(Pipe),
+    Amp(Amp),
+    Eq(Eq),
+    Pluseq(Pluseq),
+    Slasheq(Slasheq),
+    Stareq(Stareq),
+    Percenteq(Percenteq),
+    Shreq(Shreq),
+    Shleq(Shleq),
+    Minuseq(Minuseq),
+    Pipeeq(Pipeeq),
+    Ampeq(Ampeq),
+    Careteq(Careteq),
+}
+impl From<Pipepipe> for BinOp {
+    fn from(node: Pipepipe) -> BinOp {
+        BinOp::Pipepipe(node)
+    }
+}
+impl From<Ampamp> for BinOp {
+    fn from(node: Ampamp) -> BinOp {
+        BinOp::Ampamp(node)
+    }
+}
+impl From<Eqeq> for BinOp {
+    fn from(node: Eqeq) -> BinOp {
+        BinOp::Eqeq(node)
+    }
+}
+impl From<Neq> for BinOp {
+    fn from(node: Neq) -> BinOp {
+        BinOp::Neq(node)
+    }
+}
+impl From<Lteq> for BinOp {
+    fn from(node: Lteq) -> BinOp {
+        BinOp::Lteq(node)
+    }
+}
+impl From<Gteq> for BinOp {
+    fn from(node: Gteq) -> BinOp {
+        BinOp::Gteq(node)
+    }
+}
+impl From<LAngle> for BinOp {
+    fn from(node: LAngle) -> BinOp {
+        BinOp::LAngle(node)
+    }
+}
+impl From<RAngle> for BinOp {
+    fn from(node: RAngle) -> BinOp {
+        BinOp::RAngle(node)
+    }
+}
+impl From<Plus> for BinOp {
+    fn from(node: Plus) -> BinOp {
+        BinOp::Plus(node)
+    }
+}
+impl From<Star> for BinOp {
+    fn from(node: Star) -> BinOp {
+        BinOp::Star(node)
+    }
+}
+impl From<Minus> for BinOp {
+    fn from(node: Minus) -> BinOp {
+        BinOp::Minus(node)
+    }
+}
+impl From<Slash> for BinOp {
+    fn from(node: Slash) -> BinOp {
+        BinOp::Slash(node)
+    }
+}
+impl From<Percent> for BinOp {
+    fn from(node: Percent) -> BinOp {
+        BinOp::Percent(node)
+    }
+}
+impl From<Shl> for BinOp {
+    fn from(node: Shl) -> BinOp {
+        BinOp::Shl(node)
+    }
+}
+impl From<Shr> for BinOp {
+    fn from(node: Shr) -> BinOp {
+        BinOp::Shr(node)
+    }
+}
+impl From<Caret> for BinOp {
+    fn from(node: Caret) -> BinOp {
+        BinOp::Caret(node)
+    }
+}
+impl From<Pipe> for BinOp {
+    fn from(node: Pipe) -> BinOp {
+        BinOp::Pipe(node)
+    }
+}
+impl From<Amp> for BinOp {
+    fn from(node: Amp) -> BinOp {
+        BinOp::Amp(node)
+    }
+}
+impl From<Eq> for BinOp {
+    fn from(node: Eq) -> BinOp {
+        BinOp::Eq(node)
+    }
+}
+impl From<Pluseq> for BinOp {
+    fn from(node: Pluseq) -> BinOp {
+        BinOp::Pluseq(node)
+    }
+}
+impl From<Slasheq> for BinOp {
+    fn from(node: Slasheq) -> BinOp {
+        BinOp::Slasheq(node)
+    }
+}
+impl From<Stareq> for BinOp {
+    fn from(node: Stareq) -> BinOp {
+        BinOp::Stareq(node)
+    }
+}
+impl From<Percenteq> for BinOp {
+    fn from(node: Percenteq) -> BinOp {
+        BinOp::Percenteq(node)
+    }
+}
+impl From<Shreq> for BinOp {
+    fn from(node: Shreq) -> BinOp {
+        BinOp::Shreq(node)
+    }
+}
+impl From<Shleq> for BinOp {
+    fn from(node: Shleq) -> BinOp {
+        BinOp::Shleq(node)
+    }
+}
+impl From<Minuseq> for BinOp {
+    fn from(node: Minuseq) -> BinOp {
+        BinOp::Minuseq(node)
+    }
+}
+impl From<Pipeeq> for BinOp {
+    fn from(node: Pipeeq) -> BinOp {
+        BinOp::Pipeeq(node)
+    }
+}
+impl From<Ampeq> for BinOp {
+    fn from(node: Ampeq) -> BinOp {
+        BinOp::Ampeq(node)
+    }
+}
+impl From<Careteq> for BinOp {
+    fn from(node: Careteq) -> BinOp {
+        BinOp::Careteq(node)
+    }
+}
+impl std::fmt::Display for BinOp {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for BinOp {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            PIPEPIPE | AMPAMP | EQEQ | NEQ | LTEQ | GTEQ | L_ANGLE | R_ANGLE | PLUS | STAR
+            | MINUS | SLASH | PERCENT | SHL | SHR | CARET | PIPE | AMP | EQ | PLUSEQ | SLASHEQ
+            | STAREQ | PERCENTEQ | SHREQ | SHLEQ | MINUSEQ | PIPEEQ | AMPEQ | CARETEQ => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            PIPEPIPE => BinOp::Pipepipe(Pipepipe { syntax }),
+            AMPAMP => BinOp::Ampamp(Ampamp { syntax }),
+            EQEQ => BinOp::Eqeq(Eqeq { syntax }),
+            NEQ => BinOp::Neq(Neq { syntax }),
+            LTEQ => BinOp::Lteq(Lteq { syntax }),
+            GTEQ => BinOp::Gteq(Gteq { syntax }),
+            L_ANGLE => BinOp::LAngle(LAngle { syntax }),
+            R_ANGLE => BinOp::RAngle(RAngle { syntax }),
+            PLUS => BinOp::Plus(Plus { syntax }),
+            STAR => BinOp::Star(Star { syntax }),
+            MINUS => BinOp::Minus(Minus { syntax }),
+            SLASH => BinOp::Slash(Slash { syntax }),
+            PERCENT => BinOp::Percent(Percent { syntax }),
+            SHL => BinOp::Shl(Shl { syntax }),
+            SHR => BinOp::Shr(Shr { syntax }),
+            CARET => BinOp::Caret(Caret { syntax }),
+            PIPE => BinOp::Pipe(Pipe { syntax }),
+            AMP => BinOp::Amp(Amp { syntax }),
+            EQ => BinOp::Eq(Eq { syntax }),
+            PLUSEQ => BinOp::Pluseq(Pluseq { syntax }),
+            SLASHEQ => BinOp::Slasheq(Slasheq { syntax }),
+            STAREQ => BinOp::Stareq(Stareq { syntax }),
+            PERCENTEQ => BinOp::Percenteq(Percenteq { syntax }),
+            SHREQ => BinOp::Shreq(Shreq { syntax }),
+            SHLEQ => BinOp::Shleq(Shleq { syntax }),
+            MINUSEQ => BinOp::Minuseq(Minuseq { syntax }),
+            PIPEEQ => BinOp::Pipeeq(Pipeeq { syntax }),
+            AMPEQ => BinOp::Ampeq(Ampeq { syntax }),
+            CARETEQ => BinOp::Careteq(Careteq { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            BinOp::Pipepipe(it) => &it.syntax,
+            BinOp::Ampamp(it) => &it.syntax,
+            BinOp::Eqeq(it) => &it.syntax,
+            BinOp::Neq(it) => &it.syntax,
+            BinOp::Lteq(it) => &it.syntax,
+            BinOp::Gteq(it) => &it.syntax,
+            BinOp::LAngle(it) => &it.syntax,
+            BinOp::RAngle(it) => &it.syntax,
+            BinOp::Plus(it) => &it.syntax,
+            BinOp::Star(it) => &it.syntax,
+            BinOp::Minus(it) => &it.syntax,
+            BinOp::Slash(it) => &it.syntax,
+            BinOp::Percent(it) => &it.syntax,
+            BinOp::Shl(it) => &it.syntax,
+            BinOp::Shr(it) => &it.syntax,
+            BinOp::Caret(it) => &it.syntax,
+            BinOp::Pipe(it) => &it.syntax,
+            BinOp::Amp(it) => &it.syntax,
+            BinOp::Eq(it) => &it.syntax,
+            BinOp::Pluseq(it) => &it.syntax,
+            BinOp::Slasheq(it) => &it.syntax,
+            BinOp::Stareq(it) => &it.syntax,
+            BinOp::Percenteq(it) => &it.syntax,
+            BinOp::Shreq(it) => &it.syntax,
+            BinOp::Shleq(it) => &it.syntax,
+            BinOp::Minuseq(it) => &it.syntax,
+            BinOp::Pipeeq(it) => &it.syntax,
+            BinOp::Ampeq(it) => &it.syntax,
+            BinOp::Careteq(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum PrefixOp {
+    Minus(Minus),
+    Excl(Excl),
+    Star(Star),
+}
+impl From<Minus> for PrefixOp {
+    fn from(node: Minus) -> PrefixOp {
+        PrefixOp::Minus(node)
+    }
+}
+impl From<Excl> for PrefixOp {
+    fn from(node: Excl) -> PrefixOp {
+        PrefixOp::Excl(node)
+    }
+}
+impl From<Star> for PrefixOp {
+    fn from(node: Star) -> PrefixOp {
+        PrefixOp::Star(node)
+    }
+}
+impl std::fmt::Display for PrefixOp {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for PrefixOp {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            MINUS | EXCL | STAR => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            MINUS => PrefixOp::Minus(Minus { syntax }),
+            EXCL => PrefixOp::Excl(Excl { syntax }),
+            STAR => PrefixOp::Star(Star { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            PrefixOp::Minus(it) => &it.syntax,
+            PrefixOp::Excl(it) => &it.syntax,
+            PrefixOp::Star(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum RangeOp {
+    Dotdot(Dotdot),
+    Dotdoteq(Dotdoteq),
+}
+impl From<Dotdot> for RangeOp {
+    fn from(node: Dotdot) -> RangeOp {
+        RangeOp::Dotdot(node)
+    }
+}
+impl From<Dotdoteq> for RangeOp {
+    fn from(node: Dotdoteq) -> RangeOp {
+        RangeOp::Dotdoteq(node)
+    }
+}
+impl std::fmt::Display for RangeOp {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for RangeOp {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            DOTDOT | DOTDOTEQ => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            DOTDOT => RangeOp::Dotdot(Dotdot { syntax }),
+            DOTDOTEQ => RangeOp::Dotdoteq(Dotdoteq { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            RangeOp::Dotdot(it) => &it.syntax,
+            RangeOp::Dotdoteq(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum LiteralToken {
+    IntNumber(IntNumber),
+    FloatNumber(FloatNumber),
+    String(String),
+    RawString(RawString),
+    TrueKw(TrueKw),
+    FalseKw(FalseKw),
+    ByteString(ByteString),
+    RawByteString(RawByteString),
+    Char(Char),
+    Byte(Byte),
+}
+impl From<IntNumber> for LiteralToken {
+    fn from(node: IntNumber) -> LiteralToken {
+        LiteralToken::IntNumber(node)
+    }
+}
+impl From<FloatNumber> for LiteralToken {
+    fn from(node: FloatNumber) -> LiteralToken {
+        LiteralToken::FloatNumber(node)
+    }
+}
+impl From<String> for LiteralToken {
+    fn from(node: String) -> LiteralToken {
+        LiteralToken::String(node)
+    }
+}
+impl From<RawString> for LiteralToken {
+    fn from(node: RawString) -> LiteralToken {
+        LiteralToken::RawString(node)
+    }
+}
+impl From<TrueKw> for LiteralToken {
+    fn from(node: TrueKw) -> LiteralToken {
+        LiteralToken::TrueKw(node)
+    }
+}
+impl From<FalseKw> for LiteralToken {
+    fn from(node: FalseKw) -> LiteralToken {
+        LiteralToken::FalseKw(node)
+    }
+}
+impl From<ByteString> for LiteralToken {
+    fn from(node: ByteString) -> LiteralToken {
+        LiteralToken::ByteString(node)
+    }
+}
+impl From<RawByteString> for LiteralToken {
+    fn from(node: RawByteString) -> LiteralToken {
+        LiteralToken::RawByteString(node)
+    }
+}
+impl From<Char> for LiteralToken {
+    fn from(node: Char) -> LiteralToken {
+        LiteralToken::Char(node)
+    }
+}
+impl From<Byte> for LiteralToken {
+    fn from(node: Byte) -> LiteralToken {
+        LiteralToken::Byte(node)
+    }
+}
+impl std::fmt::Display for LiteralToken {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for LiteralToken {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            INT_NUMBER | FLOAT_NUMBER | STRING | RAW_STRING | TRUE_KW | FALSE_KW | BYTE_STRING
+            | RAW_BYTE_STRING | CHAR | BYTE => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            INT_NUMBER => LiteralToken::IntNumber(IntNumber { syntax }),
+            FLOAT_NUMBER => LiteralToken::FloatNumber(FloatNumber { syntax }),
+            STRING => LiteralToken::String(String { syntax }),
+            RAW_STRING => LiteralToken::RawString(RawString { syntax }),
+            TRUE_KW => LiteralToken::TrueKw(TrueKw { syntax }),
+            FALSE_KW => LiteralToken::FalseKw(FalseKw { syntax }),
+            BYTE_STRING => LiteralToken::ByteString(ByteString { syntax }),
+            RAW_BYTE_STRING => LiteralToken::RawByteString(RawByteString { syntax }),
+            CHAR => LiteralToken::Char(Char { syntax }),
+            BYTE => LiteralToken::Byte(Byte { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            LiteralToken::IntNumber(it) => &it.syntax,
+            LiteralToken::FloatNumber(it) => &it.syntax,
+            LiteralToken::String(it) => &it.syntax,
+            LiteralToken::RawString(it) => &it.syntax,
+            LiteralToken::TrueKw(it) => &it.syntax,
+            LiteralToken::FalseKw(it) => &it.syntax,
+            LiteralToken::ByteString(it) => &it.syntax,
+            LiteralToken::RawByteString(it) => &it.syntax,
+            LiteralToken::Char(it) => &it.syntax,
+            LiteralToken::Byte(it) => &it.syntax,
+        }
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum NameRefToken {
+    Ident(Ident),
+    IntNumber(IntNumber),
+}
+impl From<Ident> for NameRefToken {
+    fn from(node: Ident) -> NameRefToken {
+        NameRefToken::Ident(node)
+    }
+}
+impl From<IntNumber> for NameRefToken {
+    fn from(node: IntNumber) -> NameRefToken {
+        NameRefToken::IntNumber(node)
+    }
+}
+impl std::fmt::Display for NameRefToken {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl AstToken for NameRefToken {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            IDENT | INT_NUMBER => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxToken) -> Option<Self> {
+        let res = match syntax.kind() {
+            IDENT => NameRefToken::Ident(Ident { syntax }),
+            INT_NUMBER => NameRefToken::IntNumber(IntNumber { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxToken {
+        match self {
+            NameRefToken::Ident(it) => &it.syntax,
+            NameRefToken::IntNumber(it) => &it.syntax,
+        }
+    }
+}