diff --git a/crates/libeditor/src/lib.rs b/crates/libeditor/src/lib.rs
index b2d1dab588..681cca81dc 100644
--- a/crates/libeditor/src/lib.rs
+++ b/crates/libeditor/src/lib.rs
@@ -10,7 +10,7 @@ mod code_actions;
 mod typing;
 
 use libsyntax2::{
-    ast::{self, AstNode, NameOwner},
+    ast::{AstNode, NameOwner},
     algo::{walk, find_leaf_at_offset},
     SyntaxKind::{self, *},
 };
diff --git a/crates/libeditor/src/typing.rs b/crates/libeditor/src/typing.rs
index 8903af1771..ebc7c77d21 100644
--- a/crates/libeditor/src/typing.rs
+++ b/crates/libeditor/src/typing.rs
@@ -1,6 +1,5 @@
 use libsyntax2::{
     TextUnit, TextRange, SyntaxNodeRef, ParsedFile,
-    ast,
     algo::{
         walk::preorder,
         find_covering_node,
diff --git a/crates/libsyntax2/src/ast/generated.rs b/crates/libsyntax2/src/ast/generated.rs
index 8eb91c1df9..52668c37b2 100644
--- a/crates/libsyntax2/src/ast/generated.rs
+++ b/crates/libsyntax2/src/ast/generated.rs
@@ -104,32 +104,6 @@ impl<'a> ast::TypeParamsOwner<'a> for EnumDef<'a> {}
 impl<'a> ast::AttrsOwner<'a> for EnumDef<'a> {}
 impl<'a> EnumDef<'a> {}
 
-// File
-#[derive(Debug, Clone, Copy)]
-pub struct File<'a> {
-    syntax: SyntaxNodeRef<'a>,
-}
-
-impl<'a> AstNode<'a> for File<'a> {
-    fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
-        match syntax.kind() {
-            FILE => Some(File { syntax }),
-            _ => None,
-        }
-    }
-    fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
-}
-
-impl<'a> File<'a> {
-    pub fn functions(self) -> impl Iterator<Item = FnDef<'a>> + 'a {
-        super::children(self)
-    }
-
-    pub fn modules(self) -> impl Iterator<Item = Module<'a>> + 'a {
-        super::children(self)
-    }
-}
-
 // FnDef
 #[derive(Debug, Clone, Copy)]
 pub struct FnDef<'a> {
@@ -439,6 +413,32 @@ impl<'a> AstNode<'a> for ReferenceType<'a> {
 
 impl<'a> ReferenceType<'a> {}
 
+// Root
+#[derive(Debug, Clone, Copy)]
+pub struct Root<'a> {
+    syntax: SyntaxNodeRef<'a>,
+}
+
+impl<'a> AstNode<'a> for Root<'a> {
+    fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
+        match syntax.kind() {
+            ROOT => Some(Root { syntax }),
+            _ => None,
+        }
+    }
+    fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
+}
+
+impl<'a> Root<'a> {
+    pub fn functions(self) -> impl Iterator<Item = FnDef<'a>> + 'a {
+        super::children(self)
+    }
+
+    pub fn modules(self) -> impl Iterator<Item = Module<'a>> + 'a {
+        super::children(self)
+    }
+}
+
 // SliceType
 #[derive(Debug, Clone, Copy)]
 pub struct SliceType<'a> {
diff --git a/crates/libsyntax2/src/grammar.ron b/crates/libsyntax2/src/grammar.ron
index f4792df1d2..0ea7e8ce1f 100644
--- a/crates/libsyntax2/src/grammar.ron
+++ b/crates/libsyntax2/src/grammar.ron
@@ -114,7 +114,7 @@ Grammar(
         "SHEBANG",
     ],
     nodes: [
-        "FILE",
+        "ROOT",
 
         "STRUCT_DEF",
         "ENUM_DEF",
@@ -235,7 +235,7 @@ Grammar(
         "ARG_LIST",
     ],
     ast: {
-        "File": (
+        "Root": (
             collections: [
                 ["functions", "FnDef"],
                 ["modules", "Module"],
diff --git a/crates/libsyntax2/src/grammar/mod.rs b/crates/libsyntax2/src/grammar/mod.rs
index 0f118f12da..e3ca2714c3 100644
--- a/crates/libsyntax2/src/grammar/mod.rs
+++ b/crates/libsyntax2/src/grammar/mod.rs
@@ -40,7 +40,7 @@ pub(crate) fn file(p: &mut Parser) {
     let file = p.start();
     p.eat(SHEBANG);
     items::mod_contents(p, false);
-    file.complete(p, FILE);
+    file.complete(p, ROOT);
 }
 
 
diff --git a/crates/libsyntax2/src/lib.rs b/crates/libsyntax2/src/lib.rs
index b3efe2a181..9b45e25757 100644
--- a/crates/libsyntax2/src/lib.rs
+++ b/crates/libsyntax2/src/lib.rs
@@ -60,8 +60,8 @@ impl ParsedFile {
         let root = ::parse(text);
         ParsedFile { root }
     }
-    pub fn ast(&self) -> ast::File {
-        ast::File::cast(self.syntax()).unwrap()
+    pub fn ast(&self) -> ast::Root {
+        ast::Root::cast(self.syntax()).unwrap()
     }
     pub fn syntax(&self) -> SyntaxNodeRef {
         self.root.borrowed()
diff --git a/crates/libsyntax2/src/syntax_kinds/generated.rs b/crates/libsyntax2/src/syntax_kinds/generated.rs
index 6c7f44aee6..6a24cb19e6 100644
--- a/crates/libsyntax2/src/syntax_kinds/generated.rs
+++ b/crates/libsyntax2/src/syntax_kinds/generated.rs
@@ -115,7 +115,7 @@ pub enum SyntaxKind {
     COMMENT,
     DOC_COMMENT,
     SHEBANG,
-    FILE,
+    ROOT,
     STRUCT_DEF,
     ENUM_DEF,
     FN_DEF,
@@ -375,7 +375,7 @@ impl SyntaxKind {
             COMMENT => &SyntaxInfo { name: "COMMENT" },
             DOC_COMMENT => &SyntaxInfo { name: "DOC_COMMENT" },
             SHEBANG => &SyntaxInfo { name: "SHEBANG" },
-            FILE => &SyntaxInfo { name: "FILE" },
+            ROOT => &SyntaxInfo { name: "ROOT" },
             STRUCT_DEF => &SyntaxInfo { name: "STRUCT_DEF" },
             ENUM_DEF => &SyntaxInfo { name: "ENUM_DEF" },
             FN_DEF => &SyntaxInfo { name: "FN_DEF" },
diff --git a/crates/libsyntax2/tests/data/parser/err/0000_struct_field_missing_comma.txt b/crates/libsyntax2/tests/data/parser/err/0000_struct_field_missing_comma.txt
index 8ab435821f..aa375fe8a4 100644
--- a/crates/libsyntax2/tests/data/parser/err/0000_struct_field_missing_comma.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0000_struct_field_missing_comma.txt
@@ -1,4 +1,4 @@
-FILE@[0; 34)
+ROOT@[0; 34)
   STRUCT_DEF@[0; 34)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/err/0001_item_recovery_in_file.txt b/crates/libsyntax2/tests/data/parser/err/0001_item_recovery_in_file.txt
index 9c0394e25d..771d6e1ef0 100644
--- a/crates/libsyntax2/tests/data/parser/err/0001_item_recovery_in_file.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0001_item_recovery_in_file.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   ERROR@[0; 2)
     IF_KW@[0; 2)
     err: `expected an item`
diff --git a/crates/libsyntax2/tests/data/parser/err/0002_duplicate_shebang.txt b/crates/libsyntax2/tests/data/parser/err/0002_duplicate_shebang.txt
index 0b6aa26eb9..57fb48420c 100644
--- a/crates/libsyntax2/tests/data/parser/err/0002_duplicate_shebang.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0002_duplicate_shebang.txt
@@ -1,4 +1,4 @@
-FILE@[0; 42)
+ROOT@[0; 42)
   SHEBANG@[0; 20)
   WHITESPACE@[20; 21)
   err: `expected an item`
diff --git a/crates/libsyntax2/tests/data/parser/err/0003_C++_semicolon.txt b/crates/libsyntax2/tests/data/parser/err/0003_C++_semicolon.txt
index 13558d07e4..b51c0573ad 100644
--- a/crates/libsyntax2/tests/data/parser/err/0003_C++_semicolon.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0003_C++_semicolon.txt
@@ -1,4 +1,4 @@
-FILE@[0; 40)
+ROOT@[0; 40)
   STRUCT_DEF@[0; 40)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/err/0004_use_path_bad_segment.txt b/crates/libsyntax2/tests/data/parser/err/0004_use_path_bad_segment.txt
index 64aa078016..646c845346 100644
--- a/crates/libsyntax2/tests/data/parser/err/0004_use_path_bad_segment.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0004_use_path_bad_segment.txt
@@ -1,4 +1,4 @@
-FILE@[0; 12)
+ROOT@[0; 12)
   USE_ITEM@[0; 12)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/err/0005_attribute_recover.txt b/crates/libsyntax2/tests/data/parser/err/0005_attribute_recover.txt
index 8843e83721..b3cf9b889d 100644
--- a/crates/libsyntax2/tests/data/parser/err/0005_attribute_recover.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0005_attribute_recover.txt
@@ -1,4 +1,4 @@
-FILE@[0; 54)
+ROOT@[0; 54)
   FN_DEF@[0; 31)
     ATTR@[0; 18)
       POUND@[0; 1)
diff --git a/crates/libsyntax2/tests/data/parser/err/0006_named_field_recovery.txt b/crates/libsyntax2/tests/data/parser/err/0006_named_field_recovery.txt
index e6e33cdbd4..9abda70991 100644
--- a/crates/libsyntax2/tests/data/parser/err/0006_named_field_recovery.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0006_named_field_recovery.txt
@@ -1,4 +1,4 @@
-FILE@[0; 74)
+ROOT@[0; 74)
   STRUCT_DEF@[0; 73)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/err/0007_stray_curly_in_file.txt b/crates/libsyntax2/tests/data/parser/err/0007_stray_curly_in_file.txt
index 9642ed5bc3..81e82f7e20 100644
--- a/crates/libsyntax2/tests/data/parser/err/0007_stray_curly_in_file.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0007_stray_curly_in_file.txt
@@ -1,4 +1,4 @@
-FILE@[0; 31)
+ROOT@[0; 31)
   ERROR@[0; 1)
     R_CURLY@[0; 1)
     err: `expected an item`
diff --git a/crates/libsyntax2/tests/data/parser/err/0008_item_block_recovery.txt b/crates/libsyntax2/tests/data/parser/err/0008_item_block_recovery.txt
index 5a062acabe..95a34333b7 100644
--- a/crates/libsyntax2/tests/data/parser/err/0008_item_block_recovery.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0008_item_block_recovery.txt
@@ -1,4 +1,4 @@
-FILE@[0; 95)
+ROOT@[0; 95)
   FN_DEF@[0; 12)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/err/0009_broken_struct_type_parameter.txt b/crates/libsyntax2/tests/data/parser/err/0009_broken_struct_type_parameter.txt
index 0c5b57ee5b..fa8adf8816 100644
--- a/crates/libsyntax2/tests/data/parser/err/0009_broken_struct_type_parameter.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0009_broken_struct_type_parameter.txt
@@ -1,4 +1,4 @@
-FILE@[0; 43)
+ROOT@[0; 43)
   STRUCT_DEF@[0; 11)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/err/0010_unsafe_lambda_block.txt b/crates/libsyntax2/tests/data/parser/err/0010_unsafe_lambda_block.txt
index e453c36515..6cda8543f5 100644
--- a/crates/libsyntax2/tests/data/parser/err/0010_unsafe_lambda_block.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0010_unsafe_lambda_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 42)
+ROOT@[0; 42)
   FN_DEF@[0; 41)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/err/0011_extern_struct.txt b/crates/libsyntax2/tests/data/parser/err/0011_extern_struct.txt
index be63741aee..0cb7447c46 100644
--- a/crates/libsyntax2/tests/data/parser/err/0011_extern_struct.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0011_extern_struct.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   ERROR@[0; 6)
     ABI@[0; 6)
       EXTERN_KW@[0; 6)
diff --git a/crates/libsyntax2/tests/data/parser/err/0012_broken_lambda.txt b/crates/libsyntax2/tests/data/parser/err/0012_broken_lambda.txt
index f1827d3dce..a03aa05e39 100644
--- a/crates/libsyntax2/tests/data/parser/err/0012_broken_lambda.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0012_broken_lambda.txt
@@ -1,4 +1,4 @@
-FILE@[0; 389)
+ROOT@[0; 389)
   FN_DEF@[0; 389)
     VISIBILITY@[0; 10)
       PUB_KW@[0; 3)
diff --git a/crates/libsyntax2/tests/data/parser/err/0013_invalid_type.txt b/crates/libsyntax2/tests/data/parser/err/0013_invalid_type.txt
index 7f48502da1..f7f6c6bce8 100644
--- a/crates/libsyntax2/tests/data/parser/err/0013_invalid_type.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0013_invalid_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 86)
+ROOT@[0; 86)
   STRUCT_DEF@[0; 84)
     VISIBILITY@[0; 3)
       PUB_KW@[0; 3)
diff --git a/crates/libsyntax2/tests/data/parser/err/0014_where_no_bounds.txt b/crates/libsyntax2/tests/data/parser/err/0014_where_no_bounds.txt
index cef20327c6..37826ce86b 100644
--- a/crates/libsyntax2/tests/data/parser/err/0014_where_no_bounds.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0014_where_no_bounds.txt
@@ -1,4 +1,4 @@
-FILE@[0; 23)
+ROOT@[0; 23)
   FN_DEF@[0; 22)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/err/0015_curly_in_params.txt b/crates/libsyntax2/tests/data/parser/err/0015_curly_in_params.txt
index 8413797974..bd8356616c 100644
--- a/crates/libsyntax2/tests/data/parser/err/0015_curly_in_params.txt
+++ b/crates/libsyntax2/tests/data/parser/err/0015_curly_in_params.txt
@@ -1,4 +1,4 @@
-FILE@[0; 14)
+ROOT@[0; 14)
   FN_DEF@[0; 7)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0001_const_unsafe_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0001_const_unsafe_fn.txt
index 29c479f8b7..9565329816 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0001_const_unsafe_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0001_const_unsafe_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 25)
+ROOT@[0; 25)
   FN_DEF@[0; 24)
     CONST_KW@[0; 5)
     WHITESPACE@[5; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0002_const_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0002_const_fn.txt
index a2f94eb142..bda875fc58 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0002_const_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0002_const_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 18)
+ROOT@[0; 18)
   FN_DEF@[0; 17)
     CONST_KW@[0; 5)
     WHITESPACE@[5; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0003_extern_block.txt b/crates/libsyntax2/tests/data/parser/inline/0003_extern_block.txt
index ab9bc04633..2c2bbd035c 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0003_extern_block.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0003_extern_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 10)
+ROOT@[0; 10)
   EXTERN_BLOCK@[0; 9)
     ABI@[0; 6)
       EXTERN_KW@[0; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0004_extern_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0004_extern_fn.txt
index 9cf20991a1..f6e7694756 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0004_extern_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0004_extern_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   FN_DEF@[0; 18)
     ABI@[0; 6)
       EXTERN_KW@[0; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0005_extern_crate.txt b/crates/libsyntax2/tests/data/parser/inline/0005_extern_crate.txt
index eac8656aca..fc025b0f3b 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0005_extern_crate.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0005_extern_crate.txt
@@ -1,4 +1,4 @@
-FILE@[0; 18)
+ROOT@[0; 18)
   EXTERN_CRATE_ITEM@[0; 17)
     EXTERN_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0007_unsafe_trait.txt b/crates/libsyntax2/tests/data/parser/inline/0007_unsafe_trait.txt
index d7e20db703..fb97cc0420 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0007_unsafe_trait.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0007_unsafe_trait.txt
@@ -1,4 +1,4 @@
-FILE@[0; 18)
+ROOT@[0; 18)
   TRAIT_DEF@[0; 17)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0008_unsafe_impl.txt b/crates/libsyntax2/tests/data/parser/inline/0008_unsafe_impl.txt
index 20c0c2de43..fa596394f4 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0008_unsafe_impl.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0008_unsafe_impl.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   IMPL_ITEM@[0; 18)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0009_unsafe_auto_trait.txt b/crates/libsyntax2/tests/data/parser/inline/0009_unsafe_auto_trait.txt
index fe296aef66..e642bbf808 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0009_unsafe_auto_trait.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0009_unsafe_auto_trait.txt
@@ -1,4 +1,4 @@
-FILE@[0; 23)
+ROOT@[0; 23)
   TRAIT_DEF@[0; 22)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0010_unsafe_default_impl.txt b/crates/libsyntax2/tests/data/parser/inline/0010_unsafe_default_impl.txt
index 11e0041f5e..99d33a902c 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0010_unsafe_default_impl.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0010_unsafe_default_impl.txt
@@ -1,4 +1,4 @@
-FILE@[0; 27)
+ROOT@[0; 27)
   IMPL_ITEM@[0; 26)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0011_unsafe_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0011_unsafe_fn.txt
index 54d4441820..39ec53b264 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0011_unsafe_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0011_unsafe_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   FN_DEF@[0; 18)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0012_unsafe_extern_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0012_unsafe_extern_fn.txt
index e71a86d646..54e296ed67 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0012_unsafe_extern_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0012_unsafe_extern_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 30)
+ROOT@[0; 30)
   FN_DEF@[0; 29)
     UNSAFE_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0013_unsafe_block_in_mod.txt b/crates/libsyntax2/tests/data/parser/inline/0013_unsafe_block_in_mod.txt
index 3718caba58..9825e5ace9 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0013_unsafe_block_in_mod.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0013_unsafe_block_in_mod.txt
@@ -1,4 +1,4 @@
-FILE@[0; 33)
+ROOT@[0; 33)
   FN_DEF@[0; 10)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0014_type_item_type_params.txt b/crates/libsyntax2/tests/data/parser/inline/0014_type_item_type_params.txt
index be4f7d17d2..bf65e8a375 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0014_type_item_type_params.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0014_type_item_type_params.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   TYPE_DEF@[0; 20)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0015_type_item.txt b/crates/libsyntax2/tests/data/parser/inline/0015_type_item.txt
index a6c63b0303..71048bcc50 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0015_type_item.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0015_type_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 16)
+ROOT@[0; 16)
   TYPE_DEF@[0; 15)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0016_type_item_where_clause.txt b/crates/libsyntax2/tests/data/parser/inline/0016_type_item_where_clause.txt
index 6df40a6e45..5309b9a7bc 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0016_type_item_where_clause.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0016_type_item_where_clause.txt
@@ -1,4 +1,4 @@
-FILE@[0; 31)
+ROOT@[0; 31)
   TYPE_DEF@[0; 30)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0017_paren_type.txt b/crates/libsyntax2/tests/data/parser/inline/0017_paren_type.txt
index 9858ff955e..97e73fea12 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0017_paren_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0017_paren_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 16)
+ROOT@[0; 16)
   TYPE_DEF@[0; 15)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0018_unit_type.txt b/crates/libsyntax2/tests/data/parser/inline/0018_unit_type.txt
index 83e06de458..5d04d42fc9 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0018_unit_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0018_unit_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 13)
+ROOT@[0; 13)
   TYPE_DEF@[0; 12)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0019_singleton_tuple_type.txt b/crates/libsyntax2/tests/data/parser/inline/0019_singleton_tuple_type.txt
index 662fa4fd81..2cd8be9ab7 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0019_singleton_tuple_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0019_singleton_tuple_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 17)
+ROOT@[0; 17)
   TYPE_DEF@[0; 16)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0020_never_type.txt b/crates/libsyntax2/tests/data/parser/inline/0020_never_type.txt
index 3ce4f08a98..6205d9669a 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0020_never_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0020_never_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 16)
+ROOT@[0; 16)
   TYPE_DEF@[0; 15)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0021_pointer_type_no_mutability.txt b/crates/libsyntax2/tests/data/parser/inline/0021_pointer_type_no_mutability.txt
index 7bbb18a7f9..23e68557aa 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0021_pointer_type_no_mutability.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0021_pointer_type_no_mutability.txt
@@ -1,4 +1,4 @@
-FILE@[0; 14)
+ROOT@[0; 14)
   TYPE_DEF@[0; 13)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0022_pointer_type_mut.txt b/crates/libsyntax2/tests/data/parser/inline/0022_pointer_type_mut.txt
index 169e2b9225..33f5ad8b49 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0022_pointer_type_mut.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0022_pointer_type_mut.txt
@@ -1,4 +1,4 @@
-FILE@[0; 36)
+ROOT@[0; 36)
   TYPE_DEF@[0; 17)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0023_array_type_missing_semi.txt b/crates/libsyntax2/tests/data/parser/inline/0023_array_type_missing_semi.txt
index 140ff13202..90bdc5d2e8 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0023_array_type_missing_semi.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0023_array_type_missing_semi.txt
@@ -1,4 +1,4 @@
-FILE@[0; 18)
+ROOT@[0; 18)
   TYPE_DEF@[0; 12)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0024_array_type.txt b/crates/libsyntax2/tests/data/parser/inline/0024_array_type.txt
index 835a0dba87..809c86974a 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0024_array_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0024_array_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   TYPE_DEF@[0; 18)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0025_slice_type.txt b/crates/libsyntax2/tests/data/parser/inline/0025_slice_type.txt
index 83cf530c3c..978530a6aa 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0025_slice_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0025_slice_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 15)
+ROOT@[0; 15)
   TYPE_DEF@[0; 14)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0026_reference_type;.txt b/crates/libsyntax2/tests/data/parser/inline/0026_reference_type;.txt
index 02c5aa26c2..ff27ce5ddd 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0026_reference_type;.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0026_reference_type;.txt
@@ -1,4 +1,4 @@
-FILE@[0; 54)
+ROOT@[0; 54)
   TYPE_DEF@[0; 13)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0027_placeholder_type.txt b/crates/libsyntax2/tests/data/parser/inline/0027_placeholder_type.txt
index 9583c94b62..538e4e69ca 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0027_placeholder_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0027_placeholder_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 22)
+ROOT@[0; 22)
   TYPE_DEF@[0; 21)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0028_fn_pointer_type.txt b/crates/libsyntax2/tests/data/parser/inline/0028_fn_pointer_type.txt
index 1e05265317..4dba83eb57 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0028_fn_pointer_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0028_fn_pointer_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 70)
+ROOT@[0; 70)
   TYPE_DEF@[0; 14)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0029_fn_pointer_type_missing_fn.txt b/crates/libsyntax2/tests/data/parser/inline/0029_fn_pointer_type_missing_fn.txt
index 5c83654cc5..fa0771ab13 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0029_fn_pointer_type_missing_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0029_fn_pointer_type_missing_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 20)
+ROOT@[0; 20)
   TYPE_DEF@[0; 15)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0030_fn_pointer_type_with_ret.txt b/crates/libsyntax2/tests/data/parser/inline/0030_fn_pointer_type_with_ret.txt
index 5ac307fd02..7d0ecfbd16 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0030_fn_pointer_type_with_ret.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0030_fn_pointer_type_with_ret.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   TYPE_DEF@[0; 20)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0031_for_type.txt b/crates/libsyntax2/tests/data/parser/inline/0031_for_type.txt
index a46356777b..41461f2a65 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0031_for_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0031_for_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 29)
+ROOT@[0; 29)
   TYPE_DEF@[0; 28)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0032_path_type.txt b/crates/libsyntax2/tests/data/parser/inline/0032_path_type.txt
index b07bea0758..b0a110a2c6 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0032_path_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0032_path_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 71)
+ROOT@[0; 71)
   TYPE_DEF@[0; 13)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0034_bind_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0034_bind_pat.txt
index d9fd29ccac..9adc89b7c3 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0034_bind_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0034_bind_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 146)
+ROOT@[0; 146)
   FN_DEF@[0; 145)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0035_ref_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0035_ref_pat.txt
index 01187c3637..a625637cd5 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0035_ref_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0035_ref_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 52)
+ROOT@[0; 52)
   FN_DEF@[0; 51)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0036_placeholder_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0036_placeholder_pat.txt
index 4fff927b52..e89ff4e7c5 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0036_placeholder_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0036_placeholder_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 26)
+ROOT@[0; 26)
   FN_DEF@[0; 25)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0037_crate_visibility.txt b/crates/libsyntax2/tests/data/parser/inline/0037_crate_visibility.txt
index fb6c2d7cf9..3b5fbf95d2 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0037_crate_visibility.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0037_crate_visibility.txt
@@ -1,4 +1,4 @@
-FILE@[0; 81)
+ROOT@[0; 81)
   STRUCT_DEF@[0; 20)
     VISIBILITY@[0; 10)
       PUB_KW@[0; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0038_function_ret_type.txt b/crates/libsyntax2/tests/data/parser/inline/0038_function_ret_type.txt
index 73e91856d3..0df6c8f51a 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0038_function_ret_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0038_function_ret_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 30)
+ROOT@[0; 30)
   FN_DEF@[0; 11)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0039_path_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0039_path_expr.txt
index 98b4bebd89..618afc0a98 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0039_path_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0039_path_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 91)
+ROOT@[0; 91)
   FN_DEF@[0; 90)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0040_expr_literals.txt b/crates/libsyntax2/tests/data/parser/inline/0040_expr_literals.txt
index 3948c8fdca..8105ee25a4 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0040_expr_literals.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0040_expr_literals.txt
@@ -1,4 +1,4 @@
-FILE@[0; 189)
+ROOT@[0; 189)
   FN_DEF@[0; 188)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0041_type_param_bounds.txt b/crates/libsyntax2/tests/data/parser/inline/0041_type_param_bounds.txt
index ea05ad0a64..ef9d1f31ef 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0041_type_param_bounds.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0041_type_param_bounds.txt
@@ -1,4 +1,4 @@
-FILE@[0; 35)
+ROOT@[0; 35)
   STRUCT_DEF@[0; 34)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0042_type_param_default.txt b/crates/libsyntax2/tests/data/parser/inline/0042_type_param_default.txt
index 0792dbfc08..a75b7ed0ae 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0042_type_param_default.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0042_type_param_default.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   STRUCT_DEF@[0; 18)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0043_call_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0043_call_expr.txt
index 0dedcc0d1c..f8e31045a7 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0043_call_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0043_call_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 57)
+ROOT@[0; 57)
   FN_DEF@[0; 56)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0044_ref_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0044_ref_expr.txt
index b762f8f18e..77f2ca22cd 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0044_ref_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0044_ref_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 52)
+ROOT@[0; 52)
   FN_DEF@[0; 51)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0045_block.txt b/crates/libsyntax2/tests/data/parser/inline/0045_block.txt
index b2fe68f5da..e6c841f218 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0045_block.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0045_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 65)
+ROOT@[0; 65)
   FN_DEF@[0; 9)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0046_default_impl.txt b/crates/libsyntax2/tests/data/parser/inline/0046_default_impl.txt
index 12584a5287..19fe5ca85d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0046_default_impl.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0046_default_impl.txt
@@ -1,4 +1,4 @@
-FILE@[0; 20)
+ROOT@[0; 20)
   IMPL_ITEM@[0; 19)
     DEFAULT_KW@[0; 7)
     WHITESPACE@[7; 8)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0047_impl_item.txt b/crates/libsyntax2/tests/data/parser/inline/0047_impl_item.txt
index 0850b299e5..6419243e25 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0047_impl_item.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0047_impl_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 12)
+ROOT@[0; 12)
   IMPL_ITEM@[0; 11)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0048_impl_item_neg.txt b/crates/libsyntax2/tests/data/parser/inline/0048_impl_item_neg.txt
index b90a0d1336..6739f9c555 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0048_impl_item_neg.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0048_impl_item_neg.txt
@@ -1,4 +1,4 @@
-FILE@[0; 20)
+ROOT@[0; 20)
   IMPL_ITEM@[0; 19)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0049_trait_item_list.txt b/crates/libsyntax2/tests/data/parser/inline/0049_trait_item_list.txt
index 92ac517819..e18c166f6a 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0049_trait_item_list.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0049_trait_item_list.txt
@@ -1,4 +1,4 @@
-FILE@[0; 83)
+ROOT@[0; 83)
   IMPL_ITEM@[0; 82)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0050_let_stmt;.txt b/crates/libsyntax2/tests/data/parser/inline/0050_let_stmt;.txt
index 7f99ecb13b..30dc834544 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0050_let_stmt;.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0050_let_stmt;.txt
@@ -1,4 +1,4 @@
-FILE@[0; 77)
+ROOT@[0; 77)
   FN_DEF@[0; 76)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0051_method_call_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0051_method_call_expr.txt
index 25a61e8487..530c80fa80 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0051_method_call_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0051_method_call_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 49)
+ROOT@[0; 49)
   FN_DEF@[0; 48)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0052_field_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0052_field_expr.txt
index 096ed32114..9086219caa 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0052_field_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0052_field_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 37)
+ROOT@[0; 37)
   FN_DEF@[0; 36)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0053_block_items.txt b/crates/libsyntax2/tests/data/parser/inline/0053_block_items.txt
index ff432e1d37..20122d763d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0053_block_items.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0053_block_items.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   FN_DEF@[0; 20)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0054_field_pat_list.txt b/crates/libsyntax2/tests/data/parser/inline/0054_field_pat_list.txt
index cfe37a15ad..4df4ca35b9 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0054_field_pat_list.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0054_field_pat_list.txt
@@ -1,4 +1,4 @@
-FILE@[0; 119)
+ROOT@[0; 119)
   FN_DEF@[0; 118)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0055_self_param.txt b/crates/libsyntax2/tests/data/parser/inline/0055_self_param.txt
index 99a9f63acd..f0e47c2dcb 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0055_self_param.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0055_self_param.txt
@@ -1,4 +1,4 @@
-FILE@[0; 128)
+ROOT@[0; 128)
   IMPL_ITEM@[0; 127)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0056_trait_item.txt b/crates/libsyntax2/tests/data/parser/inline/0056_trait_item.txt
index 5f89a144ad..6e9ddcfb4d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0056_trait_item.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0056_trait_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 42)
+ROOT@[0; 42)
   TRAIT_DEF@[0; 41)
     TRAIT_KW@[0; 5)
     WHITESPACE@[5; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0057_auto_trait.txt b/crates/libsyntax2/tests/data/parser/inline/0057_auto_trait.txt
index ede098260d..0303d76bdf 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0057_auto_trait.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0057_auto_trait.txt
@@ -1,4 +1,4 @@
-FILE@[0; 16)
+ROOT@[0; 16)
   TRAIT_DEF@[0; 15)
     AUTO_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0058_type_arg.txt b/crates/libsyntax2/tests/data/parser/inline/0058_type_arg.txt
index 297456ec4c..aaf2924ba3 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0058_type_arg.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0058_type_arg.txt
@@ -1,4 +1,4 @@
-FILE@[0; 35)
+ROOT@[0; 35)
   TYPE_DEF@[0; 34)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0059_function_where_clause.txt b/crates/libsyntax2/tests/data/parser/inline/0059_function_where_clause.txt
index 1eea49e34b..dc90bfc286 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0059_function_where_clause.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0059_function_where_clause.txt
@@ -1,4 +1,4 @@
-FILE@[0; 29)
+ROOT@[0; 29)
   FN_DEF@[0; 28)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0060_function_type_params.txt b/crates/libsyntax2/tests/data/parser/inline/0060_function_type_params.txt
index 94987753a4..640a843554 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0060_function_type_params.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0060_function_type_params.txt
@@ -1,4 +1,4 @@
-FILE@[0; 28)
+ROOT@[0; 28)
   FN_DEF@[0; 27)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0061_struct_lit.txt b/crates/libsyntax2/tests/data/parser/inline/0061_struct_lit.txt
index 35b5d28b44..cf6e881b27 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0061_struct_lit.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0061_struct_lit.txt
@@ -1,4 +1,4 @@
-FILE@[0; 86)
+ROOT@[0; 86)
   FN_DEF@[0; 85)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0063_impl_trait_type.txt b/crates/libsyntax2/tests/data/parser/inline/0063_impl_trait_type.txt
index aa9981ba68..4d54204f86 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0063_impl_trait_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0063_impl_trait_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 43)
+ROOT@[0; 43)
   TYPE_DEF@[0; 42)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0063_lambda_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0063_lambda_expr.txt
index 98db37cb60..93f6285acb 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0063_lambda_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0063_lambda_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 74)
+ROOT@[0; 74)
   FN_DEF@[0; 74)
     FN_KW@[0; 2)
     NAME@[2; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0064_param_list.txt b/crates/libsyntax2/tests/data/parser/inline/0064_param_list.txt
index 50c14ceec1..de547d6998 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0064_param_list.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0064_param_list.txt
@@ -1,4 +1,4 @@
-FILE@[0; 67)
+ROOT@[0; 67)
   FN_DEF@[0; 9)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0065_if_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0065_if_expr.txt
index c353a330ac..290b11d33e 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0065_if_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0065_if_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 107)
+ROOT@[0; 107)
   FN_DEF@[0; 106)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0066_lambda_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0066_lambda_expr.txt
index 0e95f84c47..6b34bc302a 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0066_lambda_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0066_lambda_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 79)
+ROOT@[0; 79)
   FN_DEF@[0; 78)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0067_block_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0067_block_expr.txt
index e1ad36165f..94104e7465 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0067_block_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0067_block_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 36)
+ROOT@[0; 36)
   FN_DEF@[0; 35)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0068_pub_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0068_pub_expr.txt
index 7f475745dd..5f179c3ca4 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0068_pub_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0068_pub_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 29)
+ROOT@[0; 29)
   FN_DEF@[0; 20)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0068_return_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0068_return_expr.txt
index 8832d2cff0..ead1ada963 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0068_return_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0068_return_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 40)
+ROOT@[0; 40)
   FN_DEF@[0; 39)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0069_match_arm.txt b/crates/libsyntax2/tests/data/parser/inline/0069_match_arm.txt
index 1fffec7b1a..013d1716ae 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0069_match_arm.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0069_match_arm.txt
@@ -1,4 +1,4 @@
-FILE@[0; 78)
+ROOT@[0; 78)
   FN_DEF@[0; 77)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0070_match_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0070_match_expr.txt
index 2ffe99c0e9..d7740e3cca 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0070_match_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0070_match_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 47)
+ROOT@[0; 47)
   FN_DEF@[0; 46)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0071_tuple_pat_fields.txt b/crates/libsyntax2/tests/data/parser/inline/0071_tuple_pat_fields.txt
index dad7d3e87f..734e0726c5 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0071_tuple_pat_fields.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0071_tuple_pat_fields.txt
@@ -1,4 +1,4 @@
-FILE@[0; 97)
+ROOT@[0; 97)
   FN_DEF@[0; 96)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0072_path_part.txt b/crates/libsyntax2/tests/data/parser/inline/0072_path_part.txt
index ae5296580a..1a8d1546d4 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0072_path_part.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0072_path_part.txt
@@ -1,4 +1,4 @@
-FILE@[0; 103)
+ROOT@[0; 103)
   FN_DEF@[0; 102)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0073_impl_item_list.txt b/crates/libsyntax2/tests/data/parser/inline/0073_impl_item_list.txt
index e0d5e01073..1f524f34ab 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0073_impl_item_list.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0073_impl_item_list.txt
@@ -1,4 +1,4 @@
-FILE@[0; 89)
+ROOT@[0; 89)
   IMPL_ITEM@[0; 88)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0074_unary_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0074_unary_expr.txt
index 3daf1d777f..4d77c8c118 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0074_unary_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0074_unary_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 44)
+ROOT@[0; 44)
   FN_DEF@[0; 43)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0075_try_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0075_try_expr.txt
index 104847c82d..b802351469 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0075_try_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0075_try_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   FN_DEF@[0; 20)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0076_cond.txt b/crates/libsyntax2/tests/data/parser/inline/0076_cond.txt
index 6f26b7c0fd..547d66fb3f 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0076_cond.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0076_cond.txt
@@ -1,4 +1,4 @@
-FILE@[0; 38)
+ROOT@[0; 38)
   FN_DEF@[0; 37)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0077_while_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0077_while_expr.txt
index 399dbd278e..0ce1577104 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0077_while_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0077_while_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 70)
+ROOT@[0; 70)
   FN_DEF@[0; 69)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0078_mod_contents.txt b/crates/libsyntax2/tests/data/parser/inline/0078_mod_contents.txt
index 9324f22784..57b2b93729 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0078_mod_contents.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0078_mod_contents.txt
@@ -1,4 +1,4 @@
-FILE@[0; 70)
+ROOT@[0; 70)
   FN_DEF@[0; 11)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0079_cast_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0079_cast_expr.txt
index 817f7b36e0..6d57078b34 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0079_cast_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0079_cast_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 28)
+ROOT@[0; 28)
   FN_DEF@[0; 27)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0080_tuple_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0080_tuple_expr.txt
index 5e1dd1a62e..cf541411fa 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0080_tuple_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0080_tuple_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 40)
+ROOT@[0; 40)
   FN_DEF@[0; 39)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0081_index_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0081_index_expr.txt
index 4ebd0e172d..4624aab23d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0081_index_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0081_index_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 26)
+ROOT@[0; 26)
   FN_DEF@[0; 25)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0082_tuple_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0082_tuple_pat.txt
index c498f4fc56..2d68a5ff27 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0082_tuple_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0082_tuple_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 39)
+ROOT@[0; 39)
   FN_DEF@[0; 38)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0083_postfix_range.txt b/crates/libsyntax2/tests/data/parser/inline/0083_postfix_range.txt
index b4794e3e37..475251ea72 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0083_postfix_range.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0083_postfix_range.txt
@@ -1,4 +1,4 @@
-FILE@[0; 26)
+ROOT@[0; 26)
   FN_DEF@[0; 25)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0084_loop_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0084_loop_expr.txt
index ce0dfe7a40..5321fade99 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0084_loop_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0084_loop_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 26)
+ROOT@[0; 26)
   FN_DEF@[0; 25)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0085_for_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0085_for_expr.txt
index 9fb0c63c20..7ddf8122fb 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0085_for_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0085_for_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 33)
+ROOT@[0; 33)
   FN_DEF@[0; 32)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0085_match_arms_commas.txt b/crates/libsyntax2/tests/data/parser/inline/0085_match_arms_commas.txt
index 361c3d6ac9..560931645f 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0085_match_arms_commas.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0085_match_arms_commas.txt
@@ -1,4 +1,4 @@
-FILE@[0; 83)
+ROOT@[0; 83)
   FN_DEF@[0; 82)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0086_array_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0086_array_expr.txt
index b954f575df..dcdeff6096 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0086_array_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0086_array_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 55)
+ROOT@[0; 55)
   FN_DEF@[0; 54)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0086_no_semi_after_block.txt b/crates/libsyntax2/tests/data/parser/inline/0086_no_semi_after_block.txt
index 34ec269e6b..e3164f9cc3 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0086_no_semi_after_block.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0086_no_semi_after_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 107)
+ROOT@[0; 107)
   FN_DEF@[0; 106)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0087_stmt_postfix_expr_ambiguity.txt b/crates/libsyntax2/tests/data/parser/inline/0087_stmt_postfix_expr_ambiguity.txt
index 1451cdfbc4..91edf3f84d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0087_stmt_postfix_expr_ambiguity.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0087_stmt_postfix_expr_ambiguity.txt
@@ -1,4 +1,4 @@
-FILE@[0; 84)
+ROOT@[0; 84)
   FN_DEF@[0; 83)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0088_stmt_bin_expr_ambiguity.txt b/crates/libsyntax2/tests/data/parser/inline/0088_stmt_bin_expr_ambiguity.txt
index 71e55f5708..ff1298acb3 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0088_stmt_bin_expr_ambiguity.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0088_stmt_bin_expr_ambiguity.txt
@@ -1,4 +1,4 @@
-FILE@[0; 46)
+ROOT@[0; 46)
   FN_DEF@[0; 45)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0089_slice_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0089_slice_pat.txt
index b092a4ac4a..99e8dd4279 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0089_slice_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0089_slice_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 39)
+ROOT@[0; 39)
   FN_DEF@[0; 38)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0091_fn_decl.txt b/crates/libsyntax2/tests/data/parser/inline/0091_fn_decl.txt
index 6b6d701507..c35bc8428d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0091_fn_decl.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0091_fn_decl.txt
@@ -1,4 +1,4 @@
-FILE@[0; 22)
+ROOT@[0; 22)
   TRAIT_DEF@[0; 21)
     TRAIT_KW@[0; 5)
     WHITESPACE@[5; 6)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0092_literal_pattern.txt b/crates/libsyntax2/tests/data/parser/inline/0092_literal_pattern.txt
index e472f1d8f8..3128bfd7d9 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0092_literal_pattern.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0092_literal_pattern.txt
@@ -1,4 +1,4 @@
-FILE@[0; 95)
+ROOT@[0; 95)
   FN_DEF@[0; 94)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0093_path_fn_trait_args.txt b/crates/libsyntax2/tests/data/parser/inline/0093_path_fn_trait_args.txt
index a98702f8fe..1b1a8a9e23 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0093_path_fn_trait_args.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0093_path_fn_trait_args.txt
@@ -1,4 +1,4 @@
-FILE@[0; 32)
+ROOT@[0; 32)
   TYPE_DEF@[0; 31)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0094_range_pat.txt b/crates/libsyntax2/tests/data/parser/inline/0094_range_pat.txt
index 4a008e2f78..4f14d54315 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0094_range_pat.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0094_range_pat.txt
@@ -1,4 +1,4 @@
-FILE@[0; 47)
+ROOT@[0; 47)
   FN_DEF@[0; 46)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0095_path_type_with_bounds.txt b/crates/libsyntax2/tests/data/parser/inline/0095_path_type_with_bounds.txt
index 0e3041e381..0703d1da2c 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0095_path_type_with_bounds.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0095_path_type_with_bounds.txt
@@ -1,4 +1,4 @@
-FILE@[0; 27)
+ROOT@[0; 27)
   FN_DEF@[0; 26)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0096_value_parameters_no_patterns.txt b/crates/libsyntax2/tests/data/parser/inline/0096_value_parameters_no_patterns.txt
index 402770112b..3c83520679 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0096_value_parameters_no_patterns.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0096_value_parameters_no_patterns.txt
@@ -1,4 +1,4 @@
-FILE@[0; 54)
+ROOT@[0; 54)
   TYPE_DEF@[0; 53)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0097_param_list_opt_patterns.txt b/crates/libsyntax2/tests/data/parser/inline/0097_param_list_opt_patterns.txt
index 5f296504d3..289a899a9d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0097_param_list_opt_patterns.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0097_param_list_opt_patterns.txt
@@ -1,4 +1,4 @@
-FILE@[0; 35)
+ROOT@[0; 35)
   FN_DEF@[0; 34)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0098_where_clause.txt b/crates/libsyntax2/tests/data/parser/inline/0098_where_clause.txt
index 983545ca23..7642c0704c 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0098_where_clause.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0098_where_clause.txt
@@ -1,4 +1,4 @@
-FILE@[0; 87)
+ROOT@[0; 87)
   FN_DEF@[0; 86)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0099_crate_keyword_vis.txt b/crates/libsyntax2/tests/data/parser/inline/0099_crate_keyword_vis.txt
index 39b9409fe5..96a4e91625 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0099_crate_keyword_vis.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0099_crate_keyword_vis.txt
@@ -1,4 +1,4 @@
-FILE@[0; 20)
+ROOT@[0; 20)
   FN_DEF@[0; 19)
     VISIBILITY@[0; 5)
       CRATE_KW@[0; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0100_dyn_trait_type.txt b/crates/libsyntax2/tests/data/parser/inline/0100_dyn_trait_type.txt
index 7cf0f3aba8..ca53c0b52d 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0100_dyn_trait_type.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0100_dyn_trait_type.txt
@@ -1,4 +1,4 @@
-FILE@[0; 42)
+ROOT@[0; 42)
   TYPE_DEF@[0; 41)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0101_qual_paths.txt b/crates/libsyntax2/tests/data/parser/inline/0101_qual_paths.txt
index 3be8ce9dec..99516bf150 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0101_qual_paths.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0101_qual_paths.txt
@@ -1,4 +1,4 @@
-FILE@[0; 71)
+ROOT@[0; 71)
   TYPE_DEF@[0; 26)
     TYPE_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
index 7ffa0e0f7a..19f77fb735 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0102_full_range_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 21)
+ROOT@[0; 21)
   FN_DEF@[0; 20)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0103_field_attrs.txt b/crates/libsyntax2/tests/data/parser/inline/0103_field_attrs.txt
index 0834a408f5..420712e898 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0103_field_attrs.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0103_field_attrs.txt
@@ -1,4 +1,4 @@
-FILE@[0; 64)
+ROOT@[0; 64)
   STRUCT_DEF@[0; 63)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0104_arb_self_types.txt b/crates/libsyntax2/tests/data/parser/inline/0104_arb_self_types.txt
index da5c0100be..9a306921e8 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0104_arb_self_types.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0104_arb_self_types.txt
@@ -1,4 +1,4 @@
-FILE@[0; 69)
+ROOT@[0; 69)
   IMPL_ITEM@[0; 68)
     IMPL_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0105_continue_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0105_continue_expr.txt
index 7185ee1b4a..1c78704faf 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0105_continue_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0105_continue_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 69)
+ROOT@[0; 69)
   FN_DEF@[0; 68)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0106_break_expr.txt b/crates/libsyntax2/tests/data/parser/inline/0106_break_expr.txt
index 0b82c468f3..92b6b8bea3 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0106_break_expr.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0106_break_expr.txt
@@ -1,4 +1,4 @@
-FILE@[0; 102)
+ROOT@[0; 102)
   FN_DEF@[0; 101)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/inline/0107_label.txt b/crates/libsyntax2/tests/data/parser/inline/0107_label.txt
index 5761e80eab..ccf22d8df8 100644
--- a/crates/libsyntax2/tests/data/parser/inline/0107_label.txt
+++ b/crates/libsyntax2/tests/data/parser/inline/0107_label.txt
@@ -1,4 +1,4 @@
-FILE@[0; 74)
+ROOT@[0; 74)
   FN_DEF@[0; 73)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0000_empty.txt b/crates/libsyntax2/tests/data/parser/ok/0000_empty.txt
index 54be3e7bc9..9f505ee960 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0000_empty.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0000_empty.txt
@@ -1 +1 @@
-FILE@[0; 0)
+ROOT@[0; 0)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0001_struct_item.txt b/crates/libsyntax2/tests/data/parser/ok/0001_struct_item.txt
index bc74d52b23..90df3416a8 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0001_struct_item.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0001_struct_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 32)
+ROOT@[0; 32)
   STRUCT_DEF@[0; 31)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0002_struct_item_field.txt b/crates/libsyntax2/tests/data/parser/ok/0002_struct_item_field.txt
index 69da10900a..0b65387ef2 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0002_struct_item_field.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0002_struct_item_field.txt
@@ -1,4 +1,4 @@
-FILE@[0; 25)
+ROOT@[0; 25)
   STRUCT_DEF@[0; 25)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0004_file_shebang.txt b/crates/libsyntax2/tests/data/parser/ok/0004_file_shebang.txt
index 33055cf3d2..bb8874eada 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0004_file_shebang.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0004_file_shebang.txt
@@ -1,2 +1,2 @@
-FILE@[0; 20)
+ROOT@[0; 20)
   SHEBANG@[0; 20)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0005_fn_item.txt b/crates/libsyntax2/tests/data/parser/ok/0005_fn_item.txt
index 2dc8c85d67..8ed92f2a43 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0005_fn_item.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0005_fn_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 13)
+ROOT@[0; 13)
   FN_DEF@[0; 12)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0006_inner_attributes.txt b/crates/libsyntax2/tests/data/parser/ok/0006_inner_attributes.txt
index d5a170144f..2b64c497fd 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0006_inner_attributes.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0006_inner_attributes.txt
@@ -1,4 +1,4 @@
-FILE@[0; 236)
+ROOT@[0; 236)
   ATTR@[0; 8)
     POUND@[0; 1)
     EXCL@[1; 2)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0007_extern_crate.txt b/crates/libsyntax2/tests/data/parser/ok/0007_extern_crate.txt
index 533af33c43..12193397e0 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0007_extern_crate.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0007_extern_crate.txt
@@ -1,4 +1,4 @@
-FILE@[0; 43)
+ROOT@[0; 43)
   EXTERN_CRATE_ITEM@[0; 17)
     EXTERN_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0008_mod_item.txt b/crates/libsyntax2/tests/data/parser/ok/0008_mod_item.txt
index a2b4f64957..c790f84312 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0008_mod_item.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0008_mod_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 118)
+ROOT@[0; 118)
   MODULE@[0; 6)
     MOD_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0009_use_item.txt b/crates/libsyntax2/tests/data/parser/ok/0009_use_item.txt
index 8f850cd1ce..4bcd15357b 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0009_use_item.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0009_use_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 19)
+ROOT@[0; 19)
   USE_ITEM@[0; 8)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0010_use_path_segments.txt b/crates/libsyntax2/tests/data/parser/ok/0010_use_path_segments.txt
index 03ec342c27..f76ea1a352 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0010_use_path_segments.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0010_use_path_segments.txt
@@ -1,4 +1,4 @@
-FILE@[0; 40)
+ROOT@[0; 40)
   USE_ITEM@[0; 20)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0011_outer_attribute.txt b/crates/libsyntax2/tests/data/parser/ok/0011_outer_attribute.txt
index af4b55aed8..203a071939 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0011_outer_attribute.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0011_outer_attribute.txt
@@ -1,4 +1,4 @@
-FILE@[0; 35)
+ROOT@[0; 35)
   FN_DEF@[0; 34)
     ATTR@[0; 12)
       POUND@[0; 1)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0012_visibility.txt b/crates/libsyntax2/tests/data/parser/ok/0012_visibility.txt
index 940721f8ba..66901af541 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0012_visibility.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0012_visibility.txt
@@ -1,4 +1,4 @@
-FILE@[0; 98)
+ROOT@[0; 98)
   FN_DEF@[0; 9)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0013_use_path_self_super.txt b/crates/libsyntax2/tests/data/parser/ok/0013_use_path_self_super.txt
index 5ed27ca373..95be4f75d2 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0013_use_path_self_super.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0013_use_path_self_super.txt
@@ -1,4 +1,4 @@
-FILE@[0; 65)
+ROOT@[0; 65)
   USE_ITEM@[0; 14)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0014_use_tree.txt b/crates/libsyntax2/tests/data/parser/ok/0014_use_tree.txt
index 86bafc853c..4aa5391595 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0014_use_tree.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0014_use_tree.txt
@@ -1,4 +1,4 @@
-FILE@[0; 81)
+ROOT@[0; 81)
   USE_ITEM@[0; 6)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0015_use_tree.txt b/crates/libsyntax2/tests/data/parser/ok/0015_use_tree.txt
index 2e39766cf5..aa4ef37159 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0015_use_tree.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0015_use_tree.txt
@@ -1,4 +1,4 @@
-FILE@[0; 55)
+ROOT@[0; 55)
   USE_ITEM@[0; 15)
     USE_KW@[0; 3)
     WHITESPACE@[3; 4)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0016_struct_flavors.txt b/crates/libsyntax2/tests/data/parser/ok/0016_struct_flavors.txt
index 5bf3a1794a..3494811571 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0016_struct_flavors.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0016_struct_flavors.txt
@@ -1,4 +1,4 @@
-FILE@[0; 97)
+ROOT@[0; 97)
   STRUCT_DEF@[0; 9)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0017_attr_trailing_comma.txt b/crates/libsyntax2/tests/data/parser/ok/0017_attr_trailing_comma.txt
index 02e64c0d5a..8cfd77256d 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0017_attr_trailing_comma.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0017_attr_trailing_comma.txt
@@ -1,4 +1,4 @@
-FILE@[0; 23)
+ROOT@[0; 23)
   FN_DEF@[0; 22)
     ATTR@[0; 10)
       POUND@[0; 1)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0018_struct_type_params.txt b/crates/libsyntax2/tests/data/parser/ok/0018_struct_type_params.txt
index fb61096f6a..a98e823f6b 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0018_struct_type_params.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0018_struct_type_params.txt
@@ -1,4 +1,4 @@
-FILE@[0; 290)
+ROOT@[0; 290)
   STRUCT_DEF@[0; 13)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0019_enums.txt b/crates/libsyntax2/tests/data/parser/ok/0019_enums.txt
index 0eca75cd80..6333e47c52 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0019_enums.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0019_enums.txt
@@ -1,4 +1,4 @@
-FILE@[0; 182)
+ROOT@[0; 182)
   ENUM_DEF@[0; 11)
     ENUM_KW@[0; 4)
     WHITESPACE@[4; 5)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0020_type_param_bounds.txt b/crates/libsyntax2/tests/data/parser/ok/0020_type_param_bounds.txt
index 62632d19a3..eb01dc8f13 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0020_type_param_bounds.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0020_type_param_bounds.txt
@@ -1,4 +1,4 @@
-FILE@[0; 200)
+ROOT@[0; 200)
   STRUCT_DEF@[0; 12)
     STRUCT_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0021_extern_fn.txt b/crates/libsyntax2/tests/data/parser/ok/0021_extern_fn.txt
index c3f377857c..5ceef46e00 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0021_extern_fn.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0021_extern_fn.txt
@@ -1,4 +1,4 @@
-FILE@[0; 71)
+ROOT@[0; 71)
   FN_DEF@[0; 19)
     ABI@[0; 6)
       EXTERN_KW@[0; 6)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0022_empty_extern_block.txt b/crates/libsyntax2/tests/data/parser/ok/0022_empty_extern_block.txt
index 075055bfee..2099e24338 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0022_empty_extern_block.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0022_empty_extern_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 27)
+ROOT@[0; 27)
   EXTERN_BLOCK@[0; 10)
     ABI@[0; 6)
       EXTERN_KW@[0; 6)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0023_static_items.txt b/crates/libsyntax2/tests/data/parser/ok/0023_static_items.txt
index dfe957fd8b..5c1a3a7a50 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0023_static_items.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0023_static_items.txt
@@ -1,4 +1,4 @@
-FILE@[0; 47)
+ROOT@[0; 47)
   STATIC_DEF@[0; 20)
     STATIC_KW@[0; 6)
     WHITESPACE@[6; 7)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0024_const_item.txt b/crates/libsyntax2/tests/data/parser/ok/0024_const_item.txt
index 413bb30840..d0e5842da1 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0024_const_item.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0024_const_item.txt
@@ -1,4 +1,4 @@
-FILE@[0; 46)
+ROOT@[0; 46)
   CONST_DEF@[0; 20)
     CONST_KW@[0; 5)
     WHITESPACE@[5; 6)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0025_extern_fn_in_block.txt b/crates/libsyntax2/tests/data/parser/ok/0025_extern_fn_in_block.txt
index 088c6b54cb..363b3576e1 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0025_extern_fn_in_block.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0025_extern_fn_in_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 35)
+ROOT@[0; 35)
   FN_DEF@[0; 34)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0026_const_fn_in_block.txt b/crates/libsyntax2/tests/data/parser/ok/0026_const_fn_in_block.txt
index 246ea583fd..d45fc25594 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0026_const_fn_in_block.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0026_const_fn_in_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 34)
+ROOT@[0; 34)
   FN_DEF@[0; 33)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0027_unsafe_fn_in_block.txt b/crates/libsyntax2/tests/data/parser/ok/0027_unsafe_fn_in_block.txt
index 03acfd891e..5a39fa98c5 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0027_unsafe_fn_in_block.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0027_unsafe_fn_in_block.txt
@@ -1,4 +1,4 @@
-FILE@[0; 53)
+ROOT@[0; 53)
   FN_DEF@[0; 52)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0028_operator_binding_power.txt b/crates/libsyntax2/tests/data/parser/ok/0028_operator_binding_power.txt
index aa1fa0a81c..27efd180f3 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0028_operator_binding_power.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0028_operator_binding_power.txt
@@ -1,4 +1,4 @@
-FILE@[0; 248)
+ROOT@[0; 248)
   FN_DEF@[0; 247)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0029_range_forms.txt b/crates/libsyntax2/tests/data/parser/ok/0029_range_forms.txt
index 28fd89ca42..6d6d2f4d07 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0029_range_forms.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0029_range_forms.txt
@@ -1,4 +1,4 @@
-FILE@[0; 79)
+ROOT@[0; 79)
   FN_DEF@[0; 78)
     FN_KW@[0; 2)
     WHITESPACE@[2; 3)
diff --git a/crates/libsyntax2/tests/data/parser/ok/0030_traits.txt b/crates/libsyntax2/tests/data/parser/ok/0030_traits.txt
index ab87864fcf..ddd6664076 100644
--- a/crates/libsyntax2/tests/data/parser/ok/0030_traits.txt
+++ b/crates/libsyntax2/tests/data/parser/ok/0030_traits.txt
@@ -1,4 +1,4 @@
-FILE@[0; 164)
+ROOT@[0; 164)
   TRAIT_DEF@[0; 66)
     VISIBILITY@[0; 3)
       PUB_KW@[0; 3)