From b4ee7e4ddafdf459f7c45a7004fa0ed4caabdfe7 Mon Sep 17 00:00:00 2001
From: He1pa <18012015693@163.com>
Date: Fri, 14 Jul 2023 15:11:00 +0800
Subject: [PATCH] feat: add position for each name in identifier

---
 kclvm/ast/src/ast.rs                          |  19 ++-
 kclvm/ast/src/path.rs                         |   2 +-
 kclvm/ast/src/tests.rs                        |  25 +--
 kclvm/ast_pretty/src/node.rs                  |   2 +-
 kclvm/compiler/src/codegen/llvm/module.rs     |   2 +-
 kclvm/compiler/src/codegen/llvm/node.rs       |  48 +++---
 kclvm/compiler/src/codegen/llvm/schema.rs     |   8 +-
 kclvm/parser/src/parser/expr.rs               |  36 +++-
 kclvm/parser/src/parser/stmt.rs               |  20 +--
 kclvm/parser/src/parser/tests.rs              | 156 +++++++++---------
 ...rror_recovery__assert_stmt_recovery_1.snap |  19 ++-
 ...rror_recovery__assert_stmt_recovery_3.snap |  19 ++-
 ...rror_recovery__assign_stmt_recovery_0.snap |   9 +-
 ...rror_recovery__assign_stmt_recovery_2.snap |   9 +-
 ...rror_recovery__assign_stmt_recovery_3.snap |  19 ++-
 ...rror_recovery__assign_stmt_recovery_5.snap |  18 +-
 ...rror_recovery__assign_stmt_recovery_6.snap |  28 +++-
 ...ts__error_recovery__binary_recovery_0.snap |  10 +-
 ...ts__error_recovery__binary_recovery_1.snap |  19 ++-
 ...ts__error_recovery__binary_recovery_2.snap |  10 +-
 ...ts__error_recovery__binary_recovery_3.snap |  10 +-
 ...ts__error_recovery__binary_recovery_4.snap |  19 ++-
 ...ts__error_recovery__binary_recovery_5.snap |  19 ++-
 ...ts__error_recovery__binary_recovery_6.snap |  18 +-
 ...ts__error_recovery__binary_recovery_7.snap |  19 ++-
 ...ts__error_recovery__binary_recovery_8.snap |  10 +-
 ...ests__error_recovery__call_recovery_0.snap |   9 +-
 ...ests__error_recovery__call_recovery_1.snap |  10 +-
 ...ests__error_recovery__call_recovery_2.snap |  18 +-
 ...ests__error_recovery__call_recovery_3.snap |  28 +++-
 ...ests__error_recovery__call_recovery_4.snap |  28 +++-
 ...ests__error_recovery__call_recovery_5.snap |  10 +-
 ...ests__error_recovery__call_recovery_6.snap |  10 +-
 ...ests__error_recovery__call_recovery_7.snap |  19 ++-
 ...rror_recovery__comp_clause_recovery_0.snap |  19 ++-
 ...rror_recovery__comp_clause_recovery_1.snap |  19 ++-
 ...rror_recovery__comp_clause_recovery_3.snap |  19 ++-
 ...rror_recovery__comp_clause_recovery_4.snap |  28 +++-
 ...rror_recovery__comp_clause_recovery_5.snap |  28 +++-
 ...s__error_recovery__compare_recovery_0.snap |  18 +-
 ...s__error_recovery__compare_recovery_1.snap |  19 ++-
 ...s__error_recovery__compare_recovery_2.snap |  19 ++-
 ...s__error_recovery__compare_recovery_3.snap |  18 +-
 ...s__error_recovery__compare_recovery_4.snap |  18 +-
 ...s__error_recovery__compare_recovery_5.snap |  19 ++-
 ...s__error_recovery__compare_recovery_6.snap |  19 ++-
 ...ts__error_recovery__config_recovery_1.snap |  10 +-
 ...s__error_recovery__config_recovery_10.snap |  18 +-
 ...s__error_recovery__config_recovery_11.snap |  19 ++-
 ...s__error_recovery__config_recovery_12.snap |  19 ++-
 ...s__error_recovery__config_recovery_13.snap |  10 +-
 ...s__error_recovery__config_recovery_14.snap |  10 +-
 ...ts__error_recovery__config_recovery_2.snap |  19 ++-
 ...ts__error_recovery__config_recovery_3.snap |  19 ++-
 ...ts__error_recovery__config_recovery_4.snap |  19 ++-
 ...ts__error_recovery__config_recovery_5.snap |  19 ++-
 ...ts__error_recovery__config_recovery_6.snap |  19 ++-
 ...ts__error_recovery__config_recovery_7.snap |  18 +-
 ...ts__error_recovery__config_recovery_8.snap |  19 ++-
 ...ts__error_recovery__config_recovery_9.snap |  18 +-
 ..._tests__error_recovery__if_recovery_4.snap |  10 +-
 ...s__error_recovery__if_stmt_recovery_1.snap |  19 ++-
 ...s__error_recovery__if_stmt_recovery_2.snap |   9 +-
 ...s__error_recovery__if_stmt_recovery_3.snap |   9 +-
 ...s__error_recovery__if_stmt_recovery_4.snap |  19 ++-
 ...s__error_recovery__if_stmt_recovery_6.snap |  10 +-
 ...or_recovery__joined_string_recovery_1.snap |  10 +-
 ...or_recovery__joined_string_recovery_2.snap |  10 +-
 ...or_recovery__joined_string_recovery_5.snap |  10 +-
 ...or_recovery__joined_string_recovery_6.snap |  10 +-
 ...sts__error_recovery__list_recovery_10.snap |  18 +-
 ...sts__error_recovery__list_recovery_11.snap |  21 ++-
 ...sts__error_recovery__list_recovery_12.snap |  18 +-
 ...ests__error_recovery__list_recovery_9.snap |  18 +-
 ...sts__error_recovery__paren_recovery_0.snap |  10 +-
 ...sts__error_recovery__paren_recovery_1.snap |  10 +-
 ...sts__error_recovery__paren_recovery_4.snap |  10 +-
 ...sts__error_recovery__paren_recovery_5.snap |   9 +-
 ...ts__error_recovery__schema_recovery_0.snap |  10 +-
 ...ts__error_recovery__schema_recovery_1.snap |  19 ++-
 ...ts__error_recovery__schema_recovery_2.snap |  19 ++-
 ...ts__error_recovery__schema_recovery_3.snap |  19 ++-
 ...ts__error_recovery__schema_recovery_4.snap |  28 +++-
 ...ts__error_recovery__schema_recovery_5.snap |  19 ++-
 ...ts__error_recovery__schema_recovery_6.snap |  19 ++-
 ...ror_recovery__schema_stmt_recovery_14.snap |  19 ++-
 ...ror_recovery__schema_stmt_recovery_15.snap |  18 +-
 ...ror_recovery__schema_stmt_recovery_16.snap |  18 +-
 ...ror_recovery__schema_stmt_recovery_19.snap |  10 +-
 ...ror_recovery__schema_stmt_recovery_20.snap |   9 +-
 ...ror_recovery__schema_stmt_recovery_21.snap |   9 +-
 ...ror_recovery__schema_stmt_recovery_22.snap |  19 ++-
 ...ror_recovery__schema_stmt_recovery_23.snap |  18 +-
 ...ror_recovery__schema_stmt_recovery_24.snap |   9 +-
 ...ror_recovery__schema_stmt_recovery_27.snap |  10 +-
 ...ror_recovery__schema_stmt_recovery_28.snap |  10 +-
 ...ror_recovery__schema_stmt_recovery_30.snap |  10 +-
 ...rror_recovery__schema_stmt_recovery_4.snap |  10 +-
 ...rror_recovery__schema_stmt_recovery_5.snap |  10 +-
 ...rror_recovery__schema_stmt_recovery_6.snap |  10 +-
 ...rror_recovery__schema_stmt_recovery_7.snap |  10 +-
 ...rror_recovery__schema_stmt_recovery_8.snap |   9 +-
 ...ts__error_recovery__select_recovery_0.snap |  19 ++-
 ...ts__error_recovery__select_recovery_1.snap |  28 +++-
 ...s__error_recovery__select_recovery_10.snap |  19 ++-
 ...s__error_recovery__select_recovery_11.snap |  28 +++-
 ...s__error_recovery__select_recovery_12.snap |  19 ++-
 ...s__error_recovery__select_recovery_13.snap |  28 +++-
 ...s__error_recovery__select_recovery_14.snap |  10 +-
 ...ts__error_recovery__select_recovery_2.snap |  37 ++++-
 ...ts__error_recovery__select_recovery_3.snap |  10 +-
 ...ts__error_recovery__select_recovery_4.snap |  10 +-
 ...ts__error_recovery__select_recovery_5.snap |  19 ++-
 ...ts__error_recovery__select_recovery_6.snap |  19 ++-
 ...ts__error_recovery__select_recovery_7.snap |  28 +++-
 ...ts__error_recovery__select_recovery_8.snap |  37 ++++-
 ...ts__error_recovery__select_recovery_9.snap |  10 +-
 ..._error_recovery__subscript_recovery_0.snap |  10 +-
 ..._error_recovery__subscript_recovery_1.snap |  10 +-
 ...error_recovery__subscript_recovery_10.snap |  10 +-
 ...error_recovery__subscript_recovery_12.snap |  10 +-
 ..._error_recovery__subscript_recovery_2.snap |  19 ++-
 ..._error_recovery__subscript_recovery_3.snap |  10 +-
 ..._error_recovery__subscript_recovery_4.snap |  10 +-
 ..._error_recovery__subscript_recovery_5.snap |  10 +-
 ..._error_recovery__subscript_recovery_6.snap |  28 +++-
 ...error_recovery__type_alias_recovery_2.snap |  19 ++-
 ...error_recovery__type_alias_recovery_5.snap |  10 +-
 ...error_recovery__type_alias_recovery_6.snap |  10 +-
 ...sts__error_recovery__unary_recovery_0.snap |  10 +-
 ...sts__error_recovery__unary_recovery_2.snap |  10 +-
 ...sts__error_recovery__unary_recovery_3.snap |  10 +-
 ...sts__error_recovery__unary_recovery_5.snap |   9 +-
 ...sts__error_recovery__unary_recovery_6.snap |   9 +-
 ...sts__error_recovery__unary_recovery_7.snap |   9 +-
 kclvm/parser/testdata/assert-02.k.json        |   2 +-
 kclvm/parser/testdata/assert-03.k.json        |   2 +-
 kclvm/parser/testdata/assert-if-0.k.json      |   2 +-
 kclvm/parser/testdata/assert-if-1.k.json      |   2 +-
 kclvm/parser/testdata/assert-if-2.k.json      |   2 +-
 kclvm/parser/testdata/assign-01.k.json        |   2 +-
 kclvm/parser/testdata/config_expr-01.k.json   |   2 +-
 kclvm/parser/testdata/config_expr-02.k.json   |   2 +-
 kclvm/parser/testdata/config_expr-03.k.json   |   2 +-
 kclvm/parser/testdata/config_expr-04.k.json   |   2 +-
 kclvm/parser/testdata/hello_win.k.json        |   2 +-
 kclvm/parser/testdata/if-01.k.json            |   2 +-
 kclvm/parser/testdata/if-02.k.json            |   2 +-
 kclvm/parser/testdata/if-03.k.json            |   2 +-
 kclvm/parser/testdata/type-01.k.json          |   2 +-
 kclvm/query/src/override.rs                   |  14 +-
 kclvm/query/src/tests.rs                      |   2 +-
 kclvm/sema/src/pre_process/config.rs          |   4 +-
 kclvm/sema/src/pre_process/identifier.rs      |  20 ++-
 kclvm/sema/src/pre_process/tests.rs           |   4 +-
 kclvm/sema/src/resolver/arg.rs                |   2 +-
 kclvm/sema/src/resolver/config.rs             |  10 +-
 kclvm/sema/src/resolver/global.rs             |   6 +-
 kclvm/sema/src/resolver/node.rs               |  19 ++-
 kclvm/sema/src/resolver/schema.rs             |   2 +-
 kclvm/sema/src/resolver/tests.rs              |   2 +-
 kclvm/sema/src/resolver/ty_alias.rs           |  15 +-
 kclvm/tools/src/LSP/src/goto_def.rs           |   8 +-
 kclvm/tools/src/LSP/src/util.rs               |  48 +++++-
 kclvm/tools/src/vet/expr_builder.rs           |   4 +-
 .../vet/test_datas/json/complex.k.ast.json    |   9 +-
 .../src/vet/test_datas/json/list.k.ast.json   |   9 +-
 .../test_datas/json/only_with_bool.ast.json   |   9 +-
 .../test_datas/json/only_with_float.ast.json  |   9 +-
 .../test_datas/json/only_with_null.ast.json   |   9 +-
 .../src/vet/test_datas/json/simple.k.ast.json |   9 +-
 .../src/vet/test_datas/json/test.k.ast.json   |   9 +-
 .../vet/test_datas/yaml/complex.k.ast.yaml    |   7 +-
 .../src/vet/test_datas/yaml/list.k.ast.yaml   |   9 +-
 .../test_datas/yaml/only_with_bool.ast.yaml   |   7 +-
 .../test_datas/yaml/only_with_float.ast.yaml  |   9 +-
 .../test_datas/yaml/only_with_null.ast.yaml   |   7 +-
 .../src/vet/test_datas/yaml/simple.k.ast.yaml |   7 +-
 .../src/vet/test_datas/yaml/test.k.ast.yaml   |   7 +-
 kclvm/tools/src/vet/validator.rs              |   2 +-
 180 files changed, 2068 insertions(+), 529 deletions(-)

diff --git a/kclvm/ast/src/ast.rs b/kclvm/ast/src/ast.rs
index 67de11e41..ee7f0b4b9 100644
--- a/kclvm/ast/src/ast.rs
+++ b/kclvm/ast/src/ast.rs
@@ -492,7 +492,7 @@ impl SchemaStmt {
                         attr_list.push((
                             unification_stmt.target.line,
                             unification_stmt.target.column,
-                            unification_stmt.target.node.names[0].to_string(),
+                            unification_stmt.target.node.names[0].node.to_string(),
                         ));
                     }
                     Stmt::Assign(assign_stmt) => {
@@ -501,7 +501,7 @@ impl SchemaStmt {
                                 attr_list.push((
                                     target.line,
                                     target.column,
-                                    target.node.names[0].to_string(),
+                                    target.node.names[0].node.to_string(),
                                 ));
                             }
                         }
@@ -511,7 +511,7 @@ impl SchemaStmt {
                             attr_list.push((
                                 aug_assign_stmt.target.line,
                                 aug_assign_stmt.target.column,
-                                aug_assign_stmt.target.node.names[0].to_string(),
+                                aug_assign_stmt.target.node.names[0].node.to_string(),
                             ));
                         }
                     }
@@ -642,14 +642,21 @@ pub enum Expr {
 /// ```
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct Identifier {
-    pub names: Vec<String>,
+    pub names: Vec<Node<String>>,
     pub pkgpath: String,
     pub ctx: ExprContext,
 }
 
 impl Identifier {
     pub fn get_name(&self) -> String {
-        self.names.join(".")
+        self.get_names().join(".")
+    }
+
+    pub fn get_names(&self) -> Vec<String> {
+        self.names
+            .iter()
+            .map(|node| node.node.clone())
+            .collect::<Vec<String>>()
     }
 }
 
@@ -1512,7 +1519,7 @@ impl ToString for Type {
             match typ {
                 Type::Any => w.push_str("any"),
                 Type::Named(x) => {
-                    w.push_str(&x.names.join("."));
+                    w.push_str(&x.get_name());
                 }
                 Type::Basic(x) => {
                     w.push_str(match x {
diff --git a/kclvm/ast/src/path.rs b/kclvm/ast/src/path.rs
index d41fcf8f8..f3c3043d2 100644
--- a/kclvm/ast/src/path.rs
+++ b/kclvm/ast/src/path.rs
@@ -10,7 +10,7 @@ use crate::ast;
 /// use kclvm_ast::path::get_key_path;
 ///
 /// let ident = Some(Box::new(ast::Node::dummy_node(ast::Expr::Identifier(ast::Identifier {
-///     names: vec!["alice".to_string()],
+///     names: vec![ast::Node::dummy_node("alice".to_string())],
 ///     pkgpath: "".to_string(),
 ///     ctx: ast::ExprContext::Load,
 /// }))));
diff --git a/kclvm/ast/src/tests.rs b/kclvm/ast/src/tests.rs
index 3a389728e..fd79d1aaa 100644
--- a/kclvm/ast/src/tests.rs
+++ b/kclvm/ast/src/tests.rs
@@ -5,7 +5,7 @@ use crate::{ast, ast::*};
 /// Construct an AssignStmt node with assign_value as value
 fn build_assign_node(attr_name: &str, assign_value: NodeRef<Expr>) -> NodeRef<Stmt> {
     let iden = node_ref!(Identifier {
-        names: vec![attr_name.to_string()],
+        names: vec![Node::dummy_node(attr_name.to_string())],
         pkgpath: String::new(),
         ctx: ExprContext::Store
     });
@@ -28,7 +28,7 @@ fn get_dummy_assign_ast() -> ast::Node<ast::AssignStmt> {
         ast::AssignStmt {
             targets: vec![Box::new(ast::Node::new(
                 ast::Identifier {
-                    names: vec![String::from("a")],
+                    names: vec![Node::dummy_node(String::from("a"))],
                     pkgpath: String::from(filename),
                     ctx: ast::ExprContext::Load,
                 },
@@ -71,7 +71,7 @@ fn get_dummy_assign_binary_ast() -> ast::Node<ast::AssignStmt> {
         ast::AssignStmt {
             targets: vec![Box::new(ast::Node::new(
                 ast::Identifier {
-                    names: vec![String::from("a")],
+                    names: vec![Node::dummy_node(String::from("a"))],
                     pkgpath: String::from(filename),
                     ctx: ast::ExprContext::Load,
                 },
@@ -86,7 +86,7 @@ fn get_dummy_assign_binary_ast() -> ast::Node<ast::AssignStmt> {
                     op: ast::BinOrCmpOp::Bin(ast::BinOp::Add),
                     left: Box::new(ast::Node::new(
                         ast::Expr::Identifier(ast::Identifier {
-                            names: vec![String::from("a")],
+                            names: vec![Node::dummy_node(String::from("a"))],
                             pkgpath: String::from(filename),
                             ctx: ast::ExprContext::Load,
                         }),
@@ -98,7 +98,7 @@ fn get_dummy_assign_binary_ast() -> ast::Node<ast::AssignStmt> {
                     )),
                     right: Box::new(ast::Node::new(
                         ast::Expr::Identifier(ast::Identifier {
-                            names: vec![String::from("a")],
+                            names: vec![Node::dummy_node(String::from("a"))],
                             pkgpath: String::from(filename),
                             ctx: ast::ExprContext::Load,
                         }),
@@ -147,15 +147,15 @@ fn test_mut_walker() {
     pub struct VarMutSelfMutWalker;
     impl<'ctx> MutSelfMutWalker<'ctx> for VarMutSelfMutWalker {
         fn walk_identifier(&mut self, identifier: &'ctx mut ast::Identifier) {
-            if identifier.names[0] == "a" {
+            if identifier.names[0].node == "a" {
                 let id_mut = identifier.names.get_mut(0).unwrap();
-                *id_mut = "x".to_string();
+                id_mut.node = "x".to_string();
             }
         }
     }
     let mut assign_stmt = get_dummy_assign_ast();
     VarMutSelfMutWalker {}.walk_assign_stmt(&mut assign_stmt.node);
-    assert_eq!(assign_stmt.node.targets[0].node.names[0], "x")
+    assert_eq!(assign_stmt.node.targets[0].node.names[0].node, "x")
 }
 
 #[test]
@@ -235,7 +235,10 @@ fn test_filter_schema_with_mult_schema() {
 #[test]
 fn test_build_assign_stmt() {
     let test_expr = node_ref!(ast::Expr::Identifier(Identifier {
-        names: vec!["name1".to_string(), "name2".to_string()],
+        names: vec![
+            Node::dummy_node("name1".to_string()),
+            Node::dummy_node("name2".to_string())
+        ],
         pkgpath: "test".to_string(),
         ctx: ast::ExprContext::Load
     }));
@@ -244,8 +247,8 @@ fn test_build_assign_stmt() {
     if let ast::Stmt::Assign(ref assign) = assgin_stmt.node {
         if let ast::Expr::Identifier(ref iden) = &assign.value.node {
             assert_eq!(iden.names.len(), 2);
-            assert_eq!(iden.names[0], "name1".to_string());
-            assert_eq!(iden.names[1], "name2".to_string());
+            assert_eq!(iden.names[0].node, "name1".to_string());
+            assert_eq!(iden.names[1].node, "name2".to_string());
             assert_eq!(iden.pkgpath, "test".to_string());
             match iden.ctx {
                 ast::ExprContext::Load => {}
diff --git a/kclvm/ast_pretty/src/node.rs b/kclvm/ast_pretty/src/node.rs
index efecaab25..091ba7b92 100644
--- a/kclvm/ast_pretty/src/node.rs
+++ b/kclvm/ast_pretty/src/node.rs
@@ -852,7 +852,7 @@ impl<'p> Printer<'p> {
                 let names = &identifier.names;
 
                 let re = fancy_regex::Regex::new(IDENTIFIER_REGEX).unwrap();
-                let need_right_brace = !names.iter().all(|n| re.is_match(n).unwrap_or(false));
+                let need_right_brace = !names.iter().all(|n| re.is_match(&n.node).unwrap_or(false));
                 let count = if need_right_brace {
                     self.write(
                         &names
diff --git a/kclvm/compiler/src/codegen/llvm/module.rs b/kclvm/compiler/src/codegen/llvm/module.rs
index b1339374d..056200baa 100644
--- a/kclvm/compiler/src/codegen/llvm/module.rs
+++ b/kclvm/compiler/src/codegen/llvm/module.rs
@@ -46,7 +46,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 for target in &assign_stmt.targets {
                     let names = &target.node.names;
                     if names.len() == 1 {
-                        self.add_or_update_global_variable(&names[0], self.undefined_value());
+                        self.add_or_update_global_variable(&names[0].node, self.undefined_value());
                     }
                 }
             }
diff --git a/kclvm/compiler/src/codegen/llvm/node.rs b/kclvm/compiler/src/codegen/llvm/node.rs
index 23398cc5f..b96950bc3 100644
--- a/kclvm/compiler/src/codegen/llvm/node.rs
+++ b/kclvm/compiler/src/codegen/llvm/node.rs
@@ -72,7 +72,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
     fn walk_unification_stmt(&self, unification_stmt: &'ctx ast::UnificationStmt) -> Self::Result {
         check_backtrack_stop!(self);
         self.local_vars.borrow_mut().clear();
-        let name = &unification_stmt.target.node.names[0];
+        let name = &unification_stmt.target.node.names[0].node;
         self.target_vars.borrow_mut().push(name.clone());
         // The right value of the unification_stmt is a schema_expr.
         let value = self
@@ -147,7 +147,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
         for name in &assign_stmt.targets {
             self.target_vars
                 .borrow_mut()
-                .push(name.node.names[0].clone());
+                .push(name.node.names[0].node.clone());
         }
         // Load the right value
         let mut value = self
@@ -181,7 +181,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
         check_backtrack_stop!(self);
         self.target_vars
             .borrow_mut()
-            .push(aug_assign_stmt.target.node.names[0].clone());
+            .push(aug_assign_stmt.target.node.names[0].node.clone());
         // Load the right value
         let right_value = self
             .walk_expr(&aug_assign_stmt.value)
@@ -1281,7 +1281,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
         {
             let mut local_vars = self.local_vars.borrow_mut();
             for v in variables {
-                let name = &v.node.names[0];
+                let name = &v.node.names[0].node;
                 local_vars.insert(name.clone());
             }
         }
@@ -1539,7 +1539,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
             let right_value = if is_membership_as_op {
                 match &binary_expr.right.node {
                     ast::Expr::Identifier(id) => {
-                        let name = id.names.join(".");
+                        let name = id.get_names().join(".");
                         self.string_value(&name)
                     }
                     _ => self.none_value(),
@@ -1634,7 +1634,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
             .walk_expr(&selector_expr.value)
             .expect(kcl_error::COMPILE_ERROR_MSG);
         let string_ptr_value = self
-            .native_global_string(selector_expr.attr.node.names[0].as_str(), "")
+            .native_global_string(selector_expr.attr.node.names[0].node.as_str(), "")
             .into();
         let fn_name = if selector_expr.has_question {
             &ApiFunc::kclvm_value_load_attr_option
@@ -1643,7 +1643,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
         };
         value = self.build_call(&fn_name.name(), &[value, string_ptr_value]);
         for name in &selector_expr.attr.node.names[1..] {
-            let string_ptr_value = self.native_global_string(name, "").into();
+            let string_ptr_value = self.native_global_string(&name.node, "").into();
             value = self.build_call(
                 &ApiFunc::kclvm_value_load_attr.name(),
                 &[value, string_ptr_value],
@@ -1672,7 +1672,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
             } else {
                 self.none_value()
             };
-            self.dict_insert(dict_value, name.as_str(), value, 0, -1);
+            self.dict_insert(dict_value, name.node.as_str(), value, 0, -1);
         }
         let pkgpath = self.native_global_string_value(&self.current_pkgpath());
         let is_in_schema =
@@ -1933,7 +1933,7 @@ impl<'ctx> TypedResultWalker<'ctx> for LLVMCodeGenContext<'ctx> {
             } else {
                 self.none_value()
             };
-            self.dict_insert(dict_value, name.as_str(), value, 0, -1);
+            self.dict_insert(dict_value, name.node.as_str(), value, 0, -1);
         }
         let pkgpath = self.native_global_string_value(&self.current_pkgpath());
         let schema = self.build_call(
@@ -2285,7 +2285,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         match identifier_ctx {
             ast::ExprContext::Store => {
                 if identifier.names.len() == 1 {
-                    let name = identifier.names[0].as_str();
+                    let name = identifier.names[0].node.as_str();
                     let tpe = self.value_ptr_type();
                     // Global variables
                     if self.scope_level() == GLOBAL_LEVEL {
@@ -2416,7 +2416,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                     }
                 } else {
                     let names = &identifier.names;
-                    let name = names[0].as_str();
+                    let name = names[0].node.as_str();
                     let mut value = if is_in_schema {
                         self.get_variable_in_schema(name)
                             .expect(kcl_error::INTERNAL_ERROR_MSG)
@@ -2425,7 +2425,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                             .expect(kcl_error::INTERNAL_ERROR_MSG)
                     };
                     for i in 0..names.len() - 1 {
-                        let attr = names[i + 1].as_str();
+                        let attr = names[i + 1].node.as_str();
                         let ctx = if matches!(identifier_ctx, ast::ExprContext::Store)
                             && i != names.len() - 2
                             && names.len() > 2
@@ -2459,7 +2459,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 Ok(right_value.expect(kcl_error::INTERNAL_ERROR_MSG))
             }
             ast::ExprContext::Load => {
-                let name = identifier.names[0].as_str();
+                let name = identifier.names[0].node.as_str();
                 let is_local_var = {
                     let local_vars = self.local_vars.borrow_mut();
                     local_vars.contains(name)
@@ -2472,7 +2472,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                     }
                 } else {
                     let names = &identifier.names;
-                    let name = names[0].as_str();
+                    let name = names[0].node.as_str();
                     let mut value = if identifier.pkgpath.is_empty() {
                         if is_in_schema && !is_local_var {
                             self.get_variable_in_schema(name)
@@ -2485,7 +2485,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                         self.ok_result().expect(kcl_error::INTERNAL_ERROR_MSG)
                     };
                     for i in 0..names.len() - 1 {
-                        let attr = names[i + 1].as_str();
+                        let attr = names[i + 1].node.as_str();
                         let ctx = if matches!(identifier_ctx, ast::ExprContext::Store)
                             && i != names.len() - 2
                             && names.len() > 2
@@ -2560,7 +2560,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
             } else {
                 self.none_value()
             };
-            self.dict_insert(dict_value, name.as_str(), value, 0, -1);
+            self.dict_insert(dict_value, name.node.as_str(), value, 0, -1);
         }
         let name = match &decorator.func.node {
             ast::Expr::Identifier(ident) if ident.names.len() == 1 => ident.names[0].clone(),
@@ -2571,7 +2571,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         Ok(self.build_call(
             &ApiFunc::kclvm_value_Decorator.name(),
             &[
-                self.native_global_string_value(name.as_str()),
+                self.native_global_string_value(name.node.as_str()),
                 list_value,
                 dict_value,
                 schema_config_meta,
@@ -2629,14 +2629,14 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 &ApiFunc::kclvm_list_get_option.name(),
                 &[args, self.native_int_value(i as i32)],
             );
-            self.store_variable(&arg_name.names[0], arg_value);
+            self.store_variable(&arg_name.names[0].node, arg_value);
         }
         // for loop in 0..argument_len in LLVM end
         self.br(end_block);
         self.builder.position_at_end(end_block);
         // Keyword arguments
         for arg_name in arg_names.iter() {
-            let name = &arg_name.names[0];
+            let name = &arg_name.names[0].node;
             let string_ptr_value = self.native_global_string(name.as_str(), "").into();
             let has_key = self
                 .build_call(
@@ -2660,7 +2660,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 &[kwargs, string_ptr_value],
             );
             // Find argument name in the scope
-            self.store_variable(&arg_name.names[0], arg);
+            self.store_variable(&arg_name.names[0].node, arg);
             self.br(else_block);
             self.builder.position_at_end(else_block);
         }
@@ -2704,7 +2704,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         {
             let mut local_vars = self.local_vars.borrow_mut();
             for v in targets {
-                let name = &v.node.names[0];
+                let name = &v.node.names[0].node;
                 local_vars.insert(name.clone());
             }
         }
@@ -2780,7 +2780,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         {
             let mut local_vars = self.local_vars.borrow_mut();
             for v in targets {
-                let name = &v.node.names[0];
+                let name = &v.node.names[0].node;
                 local_vars.remove(name);
             }
         }
@@ -2797,7 +2797,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
             if let Some(key) = &item.node.key {
                 let mut insert_index = -1;
                 let optional_name = match &key.node {
-                    ast::Expr::Identifier(identifier) => Some(identifier.names[0].clone()),
+                    ast::Expr::Identifier(identifier) => Some(identifier.names[0].node.clone()),
                     ast::Expr::StringLit(string_lit) => Some(string_lit.value.clone()),
                     ast::Expr::Subscript(subscript) => {
                         let mut name = None;
@@ -2806,7 +2806,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                                 if let ast::Expr::NumberLit(number) = &index_node.node {
                                     if let ast::NumberLitValue::Int(v) = number.value {
                                         insert_index = v;
-                                        name = Some(identifier.names[0].clone())
+                                        name = Some(identifier.names[0].node.clone())
                                     }
                                 }
                             }
diff --git a/kclvm/compiler/src/codegen/llvm/schema.rs b/kclvm/compiler/src/codegen/llvm/schema.rs
index ad0510e0d..63db8e331 100644
--- a/kclvm/compiler/src/codegen/llvm/schema.rs
+++ b/kclvm/compiler/src/codegen/llvm/schema.rs
@@ -72,7 +72,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         for stmt in body {
             match &stmt.node {
                 ast::Stmt::Unification(unification_stmt) => {
-                    let name = &unification_stmt.target.node.names[0];
+                    let name = &unification_stmt.target.node.names[0].node;
                     self.dict_merge(schema_value, name, value, 0, -1);
                     if is_in_if {
                         in_if_names.push(name.to_string());
@@ -82,7 +82,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 }
                 ast::Stmt::Assign(assign_stmt) => {
                     for target in &assign_stmt.targets {
-                        let name = &target.node.names[0];
+                        let name = &target.node.names[0].node;
                         self.dict_merge(schema_value, name, value, 0, -1);
                         if is_in_if {
                             in_if_names.push(name.to_string());
@@ -93,7 +93,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
                 }
                 ast::Stmt::AugAssign(aug_assign_stmt) => {
                     let target = &aug_assign_stmt.target;
-                    let name = &target.node.names[0];
+                    let name = &target.node.names[0].node;
                     self.dict_merge(schema_value, name, value, 0, -1);
                     if is_in_if {
                         in_if_names.push(name.to_string());
@@ -173,7 +173,7 @@ impl<'ctx> LLVMCodeGenContext<'ctx> {
         for item in &t.items {
             if let Some(key) = &item.node.key {
                 let name = match &key.node {
-                    ast::Expr::Identifier(t) => t.names[0].clone(),
+                    ast::Expr::Identifier(t) => t.names[0].node.clone(),
                     ast::Expr::NumberLit(t) => match t.value {
                         ast::NumberLitValue::Int(i) => i.to_string(),
                         ast::NumberLitValue::Float(f) => f.to_string(),
diff --git a/kclvm/parser/src/parser/expr.rs b/kclvm/parser/src/parser/expr.rs
index 73404da76..c94a920c2 100644
--- a/kclvm/parser/src/parser/expr.rs
+++ b/kclvm/parser/src/parser/expr.rs
@@ -328,7 +328,13 @@ impl<'a> Parser<'a> {
             _ => {
                 let attr = Box::new(Node::node(
                     Identifier {
-                        names: vec!["".to_string()],
+                        names: vec![Node::node(
+                            "".to_string(),
+                            (
+                                self.sess.lookup_char_pos(self.token.span.lo()),
+                                self.sess.lookup_char_pos(self.token.span.lo()),
+                            ),
+                        )],
                         pkgpath: "".to_string(),
                         ctx: ExprContext::Load,
                     },
@@ -2117,18 +2123,27 @@ impl<'a> Parser<'a> {
 
     pub(crate) fn parse_identifier(&mut self) -> NodeRef<Identifier> {
         let token = self.token;
-        let mut names = Vec::new();
+        let mut names: Vec<Node<String>> = Vec::new();
         let ident = self.token.ident();
         match ident {
             Some(id) => {
-                names.push(id.as_str());
+                names.push(Node::node(
+                    id.as_str(),
+                    self.sess.struct_token_loc(self.token, self.token),
+                ));
                 self.bump();
             }
             None => {
                 {
                     self.sess
                         .struct_token_error(&[TokenKind::ident_value()], self.token);
-                    names.push("".to_string());
+                    names.push(Node::node(
+                        "".to_string(),
+                        (
+                            self.sess.lookup_char_pos(self.token.span.lo()),
+                            self.sess.lookup_char_pos(self.token.span.lo()),
+                        ),
+                    ));
                     return Box::new(Node::node(
                         Identifier {
                             names,
@@ -2152,13 +2167,22 @@ impl<'a> Parser<'a> {
                     let ident = self.token.ident();
                     match ident {
                         Some(id) => {
-                            names.push(id.as_str().to_string());
+                            names.push(Node::node(
+                                id.as_str(),
+                                self.sess.struct_token_loc(self.token, self.token),
+                            ));
                             self.bump();
                         }
                         None => {
                             self.sess
                                 .struct_token_error(&[TokenKind::ident_value()], self.token);
-                            names.push("".to_string())
+                            names.push(Node::node(
+                                "".to_string(),
+                                (
+                                    self.sess.lookup_char_pos(self.token.span.lo()),
+                                    self.sess.lookup_char_pos(self.token.span.lo()),
+                                ),
+                            ))
                         }
                     }
                 }
diff --git a/kclvm/parser/src/parser/stmt.rs b/kclvm/parser/src/parser/stmt.rs
index 2c2b56fd3..ede7ead9a 100644
--- a/kclvm/parser/src/parser/stmt.rs
+++ b/kclvm/parser/src/parser/stmt.rs
@@ -257,7 +257,7 @@ impl<'a> Parser<'a> {
                     return Some(node_ref!(
                         Stmt::SchemaAttr(SchemaAttr {
                             doc: "".to_string(),
-                            name: node_ref!(target.names.join("."), targets[0].pos()),
+                            name: node_ref!(target.get_name(), targets[0].pos()),
                             type_str: type_annotation.unwrap(),
                             ty: ty.unwrap(),
                             op: Some(BinOrAugOp::Aug(aug_op)),
@@ -312,7 +312,7 @@ impl<'a> Parser<'a> {
                     return Some(node_ref!(
                         Stmt::SchemaAttr(SchemaAttr {
                             doc: "".to_string(),
-                            name: node_ref!(target.names.join("."), targets[0].pos()),
+                            name: node_ref!(target.get_names().join("."), targets[0].pos()),
                             type_str: type_annotation.unwrap(),
                             ty: ty.unwrap(),
                             op: None,
@@ -401,20 +401,20 @@ impl<'a> Parser<'a> {
         let asname = if self.token.is_keyword(kw::As) {
             self.bump_keyword(kw::As);
             let ident = self.parse_identifier().node;
-            Some(ident.names.join("."))
+            Some(ident.get_names().join("."))
         } else {
             None
         };
 
         let mut path = leading_dot.join("");
-        path.push_str(dot_name.names.join(".").as_str());
+        path.push_str(dot_name.get_names().join(".").as_str());
 
         let rawpath = path.clone();
 
         let name = if let Some(as_name_value) = asname.clone() {
             as_name_value
         } else {
-            dot_name.names.last().unwrap().clone()
+            dot_name.get_names().last().unwrap().clone()
         };
 
         let t = node_ref!(
@@ -612,7 +612,7 @@ impl<'a> Parser<'a> {
         let name_expr = self.parse_identifier();
         let name_pos = name_expr.pos();
         let name = name_expr.node;
-        let name = node_ref!(name.names.join("."), name_pos);
+        let name = node_ref!(name.get_names().join("."), name_pos);
 
         if name
             .node
@@ -960,7 +960,7 @@ impl<'a> Parser<'a> {
                                     Stmt::SchemaAttr(SchemaAttr {
                                         doc: "".to_string(),
                                         name: node_ref!(
-                                            ident.names.join("."),
+                                            ident.get_names().join("."),
                                             assign.targets[0].pos()
                                         ),
                                         type_str,
@@ -1095,7 +1095,7 @@ impl<'a> Parser<'a> {
 
         let name_pos = name_expr.pos();
         let name = name_expr.node;
-        let name = node_ref!(name.names.join("."), name_pos);
+        let name = node_ref!(name.get_names().join("."), name_pos);
 
         let is_optional = if let TokenKind::Question = self.token.kind {
             self.bump_token(TokenKind::Question);
@@ -1191,7 +1191,7 @@ impl<'a> Parser<'a> {
             let expr = self.parse_identifier_expr();
             let ident = self.expr_as_identifier(expr.clone(), token);
             let pos = expr.pos();
-            let key_name = ident.names.join(".");
+            let key_name = ident.get_names().join(".");
 
             if let TokenKind::CloseDelim(DelimToken::Bracket) = self.token.kind {
                 let key_type = {
@@ -1290,7 +1290,7 @@ impl<'a> Parser<'a> {
         let name_expr = self.parse_identifier_expr();
         let name_pos = name_expr.pos();
         let name = expr_as!(name_expr, Expr::Identifier).unwrap();
-        let name = node_ref!(name.names.join("."), name_pos);
+        let name = node_ref!(name.get_names().join("."), name_pos);
 
         let args = if let TokenKind::OpenDelim(DelimToken::Bracket) = self.token.kind {
             self.parse_parameters(
diff --git a/kclvm/parser/src/parser/tests.rs b/kclvm/parser/src/parser/tests.rs
index 23d71d9aa..ed770b04f 100644
--- a/kclvm/parser/src/parser/tests.rs
+++ b/kclvm/parser/src/parser/tests.rs
@@ -214,7 +214,7 @@ fn binary_expr_3() {
     check_parsing_expr(
         r####"a or b"####,
         expect![[r#"
-        Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, op: Bin(Or), right: Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, op: Bin(Or), right: Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
     "#]],
     );
 }
@@ -224,7 +224,7 @@ fn binary_expr_4() {
     check_parsing_expr(
         r####"x == a or b"####,
         expect![[r#"
-        Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Eq], comparators: [Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }, op: Bin(Or), right: Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
+        Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Eq], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }, op: Bin(Or), right: Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
         "#]],
     );
     check_parsing_expr(
@@ -236,19 +236,19 @@ fn binary_expr_4() {
     check_parsing_expr(
         r####"int(e.value) > 1 and i == 0"####,
         expect![[r#"
-        Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["int"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, args: [Node { node: Identifier(Identifier { names: ["e", "value"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 11 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }, op: Bin(And), right: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["i"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Eq], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 26, end_line: 1, end_column: 27 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 27 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
+        Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "int", filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, args: [Node { node: Identifier(Identifier { names: [Node { node: "e", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: "value", filename: "", line: 1, column: 6, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 11 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }, op: Bin(And), right: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "i", filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Eq], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 26, end_line: 1, end_column: 27 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 27 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
         "#]],
     );
     check_parsing_expr(
         r####"key in ['key']"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["key"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [In], comparators: [Node { node: List(ListExpr { elts: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'key'", value: "key" }), filename: "", line: 1, column: 8, end_line: 1, end_column: 13 }], ctx: Load }), filename: "", line: 1, column: 7, end_line: 1, end_column: 14 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
+        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "key", filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [In], comparators: [Node { node: List(ListExpr { elts: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'key'", value: "key" }), filename: "", line: 1, column: 8, end_line: 1, end_column: 13 }], ctx: Load }), filename: "", line: 1, column: 7, end_line: 1, end_column: 14 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
         "#]],
     );
     check_parsing_expr(
         r####"key not in ['key']"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["key"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [NotIn], comparators: [Node { node: List(ListExpr { elts: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'key'", value: "key" }), filename: "", line: 1, column: 12, end_line: 1, end_column: 17 }], ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 18 }
+        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "key", filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [NotIn], comparators: [Node { node: List(ListExpr { elts: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'key'", value: "key" }), filename: "", line: 1, column: 12, end_line: 1, end_column: 17 }], ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 18 }
         "#]],
     );
 
@@ -265,8 +265,8 @@ fn binary_expr_5() {
     check_parsing_expr(
         r####"1 + a and b"####,
         expect![[r#"
-        Node { node: Binary(BinaryExpr { left: Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, op: Bin(And), right: Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
-    "#]],
+        Node { node: Binary(BinaryExpr { left: Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, op: Bin(And), right: Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
+        "#]],
     );
 }
 
@@ -285,25 +285,25 @@ fn logic_expr_0() {
     check_parsing_expr(
         r####"0 < a < 100"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Lt, Lt], comparators: [Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
+        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Lt, Lt], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
         "#]],
     );
     check_parsing_expr(
         r####"0 < a < 100 + a"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Lt, Lt], comparators: [Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 15 } }), filename: "", line: 1, column: 8, end_line: 1, end_column: 15 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
+        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Lt, Lt], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 15 } }), filename: "", line: 1, column: 8, end_line: 1, end_column: 15 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
         "#]],
     );
     check_parsing_expr(
         r####"100 > a > 0"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [Gt, Gt], comparators: [Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
+        Node { node: Compare(Compare { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, ops: [Gt, Gt], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
         "#]],
     );
     check_parsing_expr(
         r####"100 + a > a > 0"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }, ops: [Gt, Gt], comparators: [Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
+        Node { node: Compare(Compare { left: Node { node: Binary(BinaryExpr { left: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(100) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, op: Bin(Add), right: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }, ops: [Gt, Gt], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
         "#]],
     );
 }
@@ -313,19 +313,19 @@ fn logic_expr_1() {
     check_parsing_expr(
         r####"a is b"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Is], comparators: [Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [Is], comparators: [Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
     check_parsing_expr(
         r####"a is not True"####,
         expect![[r#"
-        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [IsNot], comparators: [Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 1, column: 9, end_line: 1, end_column: 13 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 13 }
+        Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, ops: [IsNot], comparators: [Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 1, column: 9, end_line: 1, end_column: 13 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 13 }
         "#]],
     );
     check_parsing_expr(
         r####"not False or a > 0 and b is True"####,
         expect![[r#"
-        Node { node: Binary(BinaryExpr { left: Node { node: Unary(UnaryExpr { op: Not, operand: Node { node: NameConstantLit(NameConstantLit { value: False }), filename: "", line: 1, column: 4, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 9 }, op: Bin(Or), right: Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 32 }, op: Bin(And), right: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 23, end_line: 1, end_column: 24 }, ops: [Is], comparators: [Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 1, column: 28, end_line: 1, end_column: 32 }] }), filename: "", line: 1, column: 23, end_line: 1, end_column: 32 } }), filename: "", line: 1, column: 13, end_line: 1, end_column: 32 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 32 }
+        Node { node: Binary(BinaryExpr { left: Node { node: Unary(UnaryExpr { op: Not, operand: Node { node: NameConstantLit(NameConstantLit { value: False }), filename: "", line: 1, column: 4, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 9 }, op: Bin(Or), right: Node { node: Binary(BinaryExpr { left: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 32 }, op: Bin(And), right: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 23, end_line: 1, end_column: 24 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 23, end_line: 1, end_column: 24 }, ops: [Is], comparators: [Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 1, column: 28, end_line: 1, end_column: 32 }] }), filename: "", line: 1, column: 23, end_line: 1, end_column: 32 } }), filename: "", line: 1, column: 13, end_line: 1, end_column: 32 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 32 }
         "#]],
     );
 }
@@ -335,7 +335,7 @@ fn if_expr() {
     check_parsing_expr(
         r####"1 if true else 2"####,
         expect![[r#"
-        Node { node: If(IfExpr { body: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, cond: Node { node: Identifier(Identifier { names: ["true"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 9 }, orelse: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 16 }
+        Node { node: If(IfExpr { body: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, cond: Node { node: Identifier(Identifier { names: [Node { node: "true", filename: "", line: 1, column: 5, end_line: 1, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 5, end_line: 1, end_column: 9 }, orelse: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 16 }
         "#]],
     );
 }
@@ -345,7 +345,7 @@ fn primary_expr_0() {
     check_parsing_expr(
         r####"a.b.c"####,
         expect![[r#"
-        Node { node: Identifier(Identifier { names: ["a", "b", "c"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, Node { node: "b", filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }, Node { node: "c", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -355,7 +355,7 @@ fn primary_expr_1() {
     check_parsing_expr(
         r####"'{}'.format(1)"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Selector(SelectorExpr { value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'{}'", value: "{}" }), filename: "", line: 1, column: 0, end_line: 1, end_column: 4 }, attr: Node { node: Identifier { names: ["format"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 5, end_line: 1, end_column: 11 }, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 12, end_line: 1, end_column: 13 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
+        Node { node: Call(CallExpr { func: Node { node: Selector(SelectorExpr { value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "'{}'", value: "{}" }), filename: "", line: 1, column: 0, end_line: 1, end_column: 4 }, attr: Node { node: Identifier { names: [Node { node: "format", filename: "", line: 1, column: 5, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 5, end_line: 1, end_column: 11 }, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 12, end_line: 1, end_column: 13 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
         "#]],
     );
 }
@@ -365,7 +365,7 @@ fn primary_expr_2() {
     check_parsing_expr(
         r####"str(1).isdigit()"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Selector(SelectorExpr { value: Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["str"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, attr: Node { node: Identifier { names: ["isdigit"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 14 }, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }, args: [], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 16 }
+        Node { node: Call(CallExpr { func: Node { node: Selector(SelectorExpr { value: Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "str", filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 3 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, attr: Node { node: Identifier { names: [Node { node: "isdigit", filename: "", line: 1, column: 7, end_line: 1, end_column: 14 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 14 }, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }, args: [], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 16 }
         "#]],
     );
 }
@@ -392,7 +392,7 @@ fn list_comp_expr_0() {
     check_parsing_expr(
         r####"[x ** 2 for x in [1, 2, 3]]"####,
         expect![[r#"
-        Node { node: ListComp(ListComp { elt: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }, op: Bin(Pow), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 12, end_line: 1, end_column: 13 }], iter: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 18, end_line: 1, end_column: 19 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }], ctx: Load }), filename: "", line: 1, column: 17, end_line: 1, end_column: 26 }, ifs: [] }, filename: "", line: 1, column: 8, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
+        Node { node: ListComp(ListComp { elt: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }, op: Bin(Pow), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 12, end_line: 1, end_column: 13 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 12, end_line: 1, end_column: 13 }], iter: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 18, end_line: 1, end_column: 19 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }], ctx: Load }), filename: "", line: 1, column: 17, end_line: 1, end_column: 26 }, ifs: [] }, filename: "", line: 1, column: 8, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
         "#]],
     );
 }
@@ -402,7 +402,7 @@ fn list_comp_expr_1() {
     check_parsing_expr(
         r####"[i for i in [1, 2, 3] if i > 2]"####,
         expect![[r#"
-        Node { node: ListComp(ListComp { elt: Node { node: Identifier(Identifier { names: ["i"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: ["i"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], iter: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 16, end_line: 1, end_column: 17 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 19, end_line: 1, end_column: 20 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 21 }, ifs: [Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["i"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 29, end_line: 1, end_column: 30 }] }), filename: "", line: 1, column: 25, end_line: 1, end_column: 30 }] }, filename: "", line: 1, column: 3, end_line: 1, end_column: 30 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 31 }
+        Node { node: ListComp(ListComp { elt: Node { node: Identifier(Identifier { names: [Node { node: "i", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: [Node { node: "i", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], iter: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 16, end_line: 1, end_column: 17 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 19, end_line: 1, end_column: 20 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 21 }, ifs: [Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "i", filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 29, end_line: 1, end_column: 30 }] }), filename: "", line: 1, column: 25, end_line: 1, end_column: 30 }] }, filename: "", line: 1, column: 3, end_line: 1, end_column: 30 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 31 }
         "#]],
     );
 }
@@ -412,7 +412,7 @@ fn dict_expr() {
     check_parsing_expr(
         r####"{k0=v0, k1=v1}"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k0"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 3 }), value: Node { node: Identifier(Identifier { names: ["v0"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 8, end_line: 1, end_column: 10 }), value: Node { node: Identifier(Identifier { names: ["v1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 8, end_line: 1, end_column: 13 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k0", filename: "", line: 1, column: 1, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 3 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v0", filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k1", filename: "", line: 1, column: 8, end_line: 1, end_column: 10 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 8, end_line: 1, end_column: 10 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v1", filename: "", line: 1, column: 11, end_line: 1, end_column: 13 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 8, end_line: 1, end_column: 13 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
         "#]],
     );
 }
@@ -422,7 +422,7 @@ fn dict_comp_expr() {
     check_parsing_expr(
         r####"{k: v + 1 for k, v in {k1 = 1, k2 = 2}}"####,
         expect![[r#"
-        Node { node: DictComp(DictComp { entry: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: ["v"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 9 }, operation: Union, insert_index: -1 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: ["k"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }, Node { node: Identifier { names: ["v"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }], iter: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 23, end_line: 1, end_column: 25 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 23, end_line: 1, end_column: 29 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k2"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 31, end_line: 1, end_column: 33 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 36, end_line: 1, end_column: 37 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 31, end_line: 1, end_column: 37 }] }), filename: "", line: 1, column: 22, end_line: 1, end_column: 38 }, ifs: [] }, filename: "", line: 1, column: 10, end_line: 1, end_column: 38 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 39 }
+        Node { node: DictComp(DictComp { entry: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: [Node { node: "v", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 9 }, operation: Union, insert_index: -1 }, generators: [Node { node: CompClause { targets: [Node { node: Identifier { names: [Node { node: "k", filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 14, end_line: 1, end_column: 15 }, Node { node: Identifier { names: [Node { node: "v", filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }], iter: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k1", filename: "", line: 1, column: 23, end_line: 1, end_column: 25 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 23, end_line: 1, end_column: 25 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 23, end_line: 1, end_column: 29 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k2", filename: "", line: 1, column: 31, end_line: 1, end_column: 33 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 31, end_line: 1, end_column: 33 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 36, end_line: 1, end_column: 37 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 31, end_line: 1, end_column: 37 }] }), filename: "", line: 1, column: 22, end_line: 1, end_column: 38 }, ifs: [] }, filename: "", line: 1, column: 10, end_line: 1, end_column: 38 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 39 }
         "#]],
     );
 }
@@ -432,7 +432,7 @@ fn subscript_expr_0() {
     check_parsing_expr(
         r####"a[0]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 4 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 4 }
         "#]],
     );
 }
@@ -442,7 +442,7 @@ fn subscript_expr_1() {
     check_parsing_expr(
         r####"b["k"]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["b"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"k\"", value: "k" }), filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }), lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "b", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"k\"", value: "k" }), filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }), lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -452,7 +452,7 @@ fn subscript_expr_2() {
     check_parsing_expr(
         r####"c?[1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["c"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), lower: None, upper: None, step: None, ctx: Load, has_question: true }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "c", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), lower: None, upper: None, step: None, ctx: Load, has_question: true }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -462,7 +462,7 @@ fn subscript_expr_3() {
     check_parsing_expr(
         r####"a[1:]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -472,7 +472,7 @@ fn subscript_expr_4() {
     check_parsing_expr(
         r####"a[:-1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 } }), filename: "", line: 1, column: 3, end_line: 1, end_column: 5 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 } }), filename: "", line: 1, column: 3, end_line: 1, end_column: 5 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -482,7 +482,7 @@ fn subscript_expr_5() {
     check_parsing_expr(
         r####"a[1:len]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: Identifier(Identifier { names: ["len"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: Identifier(Identifier { names: [Node { node: "len", filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
         "#]],
     );
 }
@@ -492,7 +492,7 @@ fn subscript_expr_6() {
     check_parsing_expr(
         r####"a[0:-1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -502,7 +502,7 @@ fn subscript_expr_7() {
     check_parsing_expr(
         r####"a[::]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -512,7 +512,7 @@ fn subscript_expr_8() {
     check_parsing_expr(
         r####"a[1::]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -522,7 +522,7 @@ fn subscript_expr_9() {
     check_parsing_expr(
         r####"a[:0:]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -532,7 +532,7 @@ fn subscript_expr_10() {
     check_parsing_expr(
         r####"a[::-1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: None, step: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: None, step: Some(Node { node: Unary(UnaryExpr { op: USub, operand: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -542,7 +542,7 @@ fn subscript_expr_11() {
     check_parsing_expr(
         r####"a[1::2]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: None, step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -552,7 +552,7 @@ fn subscript_expr_12() {
     check_parsing_expr(
         r####"a[:2:1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: None, upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }), step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -562,7 +562,7 @@ fn subscript_expr_13() {
     check_parsing_expr(
         r####"a[1:2:]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }), step: None, ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -572,7 +572,7 @@ fn subscript_expr_14() {
     check_parsing_expr(
         r####"a[1:3:1]"####,
         expect![[r#"
-        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }), step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
+        Node { node: Subscript(Subscript { value: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 1 }, index: None, lower: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), upper: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }), step: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }), ctx: Load, has_question: false }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
         "#]],
     );
 }
@@ -582,7 +582,7 @@ fn call_expr_0() {
     check_parsing_expr(
         r####"func0()"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["func0"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "func0", filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -592,7 +592,7 @@ fn call_expr_1() {
     check_parsing_expr(
         r####"func1(1)"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["func1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
+        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "func1", filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], keywords: [] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 8 }
         "#]],
     );
 }
@@ -602,7 +602,7 @@ fn call_expr_2() {
     check_parsing_expr(
         r####"func2(x=2)"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["func2"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [], keywords: [Node { node: Keyword { arg: Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, value: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }) }, filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 10 }
+        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "func2", filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [], keywords: [Node { node: Keyword { arg: Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, value: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }) }, filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 10 }
         "#]],
     );
 }
@@ -612,7 +612,7 @@ fn call_expr_3() {
     check_parsing_expr(
         r####"func3(1,x=2)"####,
         expect![[r#"
-        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: ["func3"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], keywords: [Node { node: Keyword { arg: Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, value: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }) }, filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }
+        Node { node: Call(CallExpr { func: Node { node: Identifier(Identifier { names: [Node { node: "func3", filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], keywords: [Node { node: Keyword { arg: Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, value: Some(Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }) }, filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }
         "#]],
     );
 }
@@ -622,7 +622,7 @@ fn quant_expr_0() {
     check_parsing_expr(
         r####"all x in collection {x > 0}"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: ["collection"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: All, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
+        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: [Node { node: "collection", filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: All, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
         "#]],
     );
 }
@@ -632,7 +632,7 @@ fn quant_expr_1() {
     check_parsing_expr(
         r####"any y in collection {y < 0}"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: ["collection"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: ["y"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: Any, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["y"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Lt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
+        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: [Node { node: "collection", filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: [Node { node: "y", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: Any, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "y", filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, ops: [Lt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 }] }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
         "#]],
     );
 }
@@ -642,7 +642,7 @@ fn quant_expr_2() {
     check_parsing_expr(
         r####"map x in collection {x + 1}"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: ["collection"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: Map, test: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 } }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
+        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: [Node { node: "collection", filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 9, end_line: 1, end_column: 19 }, variables: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], op: Map, test: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 21, end_line: 1, end_column: 22 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 25, end_line: 1, end_column: 26 } }), filename: "", line: 1, column: 21, end_line: 1, end_column: 26 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 27 }
         "#]],
     );
 }
@@ -652,7 +652,7 @@ fn quant_expr_3() {
     check_parsing_expr(
         r####"filter x in collection {x > 1}"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: ["collection"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }, variables: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Filter, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }] }), filename: "", line: 1, column: 24, end_line: 1, end_column: 29 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 30 }
+        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: [Node { node: "collection", filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }, variables: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Filter, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }] }), filename: "", line: 1, column: 24, end_line: 1, end_column: 29 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 30 }
         "#]],
     );
 }
@@ -662,7 +662,7 @@ fn quant_expr_4() {
     check_parsing_expr(
         r####"filter x in collection {x > 1}"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: ["collection"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }, variables: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Filter, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }] }), filename: "", line: 1, column: 24, end_line: 1, end_column: 29 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 30 }
+        Node { node: Quant(QuantExpr { target: Node { node: Identifier(Identifier { names: [Node { node: "collection", filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 22 }, variables: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Filter, test: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 24, end_line: 1, end_column: 25 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 28, end_line: 1, end_column: 29 }] }), filename: "", line: 1, column: 24, end_line: 1, end_column: 29 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 30 }
         "#]],
     );
 }
@@ -672,7 +672,7 @@ fn quant_expr_5() {
     check_parsing_expr(
         r####"map i, e in [{k1 = "v1", k2 = "v2"}] { e }"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v1\"", value: "v1" }), filename: "", line: 1, column: 19, end_line: 1, end_column: 23 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 14, end_line: 1, end_column: 23 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k2"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v2\"", value: "v2" }), filename: "", line: 1, column: 30, end_line: 1, end_column: 34 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 25, end_line: 1, end_column: 34 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 35 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 36 }, variables: [Node { node: Identifier { names: ["i"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Identifier { names: ["e"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Map, test: Node { node: Identifier(Identifier { names: ["e"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 42 }
+        Node { node: Quant(QuantExpr { target: Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k1", filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v1\"", value: "v1" }), filename: "", line: 1, column: 19, end_line: 1, end_column: 23 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 14, end_line: 1, end_column: 23 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k2", filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v2\"", value: "v2" }), filename: "", line: 1, column: 30, end_line: 1, end_column: 34 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 25, end_line: 1, end_column: 34 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 35 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 36 }, variables: [Node { node: Identifier { names: [Node { node: "i", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Identifier { names: [Node { node: "e", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Map, test: Node { node: Identifier(Identifier { names: [Node { node: "e", filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }, if_cond: None, ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 42 }
         "#]],
     );
 }
@@ -682,7 +682,7 @@ fn quant_expr_6() {
     check_parsing_expr(
         r####"map i, e in [{k1 = "v1", k2 = "v2"}] { e if i > 0 }"####,
         expect![[r#"
-        Node { node: Quant(QuantExpr { target: Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k1"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v1\"", value: "v1" }), filename: "", line: 1, column: 19, end_line: 1, end_column: 23 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 14, end_line: 1, end_column: 23 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k2"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v2\"", value: "v2" }), filename: "", line: 1, column: 30, end_line: 1, end_column: 34 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 25, end_line: 1, end_column: 34 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 35 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 36 }, variables: [Node { node: Identifier { names: ["i"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Identifier { names: ["e"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Map, test: Node { node: Identifier(Identifier { names: ["e"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }, if_cond: Some(Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["i"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 44, end_line: 1, end_column: 45 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 48, end_line: 1, end_column: 49 }] }), filename: "", line: 1, column: 44, end_line: 1, end_column: 49 }), ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 51 }
+        Node { node: Quant(QuantExpr { target: Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k1", filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 14, end_line: 1, end_column: 16 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v1\"", value: "v1" }), filename: "", line: 1, column: 19, end_line: 1, end_column: 23 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 14, end_line: 1, end_column: 23 }, Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k2", filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 25, end_line: 1, end_column: 27 }), value: Node { node: StringLit(StringLit { is_long_string: false, raw_value: "\"v2\"", value: "v2" }), filename: "", line: 1, column: 30, end_line: 1, end_column: 34 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 25, end_line: 1, end_column: 34 }] }), filename: "", line: 1, column: 13, end_line: 1, end_column: 35 }], ctx: Load }), filename: "", line: 1, column: 12, end_line: 1, end_column: 36 }, variables: [Node { node: Identifier { names: [Node { node: "i", filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, Node { node: Identifier { names: [Node { node: "e", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], op: Map, test: Node { node: Identifier(Identifier { names: [Node { node: "e", filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 39, end_line: 1, end_column: 40 }, if_cond: Some(Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "i", filename: "", line: 1, column: 44, end_line: 1, end_column: 45 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 44, end_line: 1, end_column: 45 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(0) }), filename: "", line: 1, column: 48, end_line: 1, end_column: 49 }] }), filename: "", line: 1, column: 44, end_line: 1, end_column: 49 }), ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 51 }
         "#]],
     );
 }
@@ -702,7 +702,7 @@ fn lambda_expr_1() {
     check_parsing_expr(
         r####"lambda x {}"####,
         expect![[r#"
-        Node { node: Lambda(LambdaExpr { args: Some(Node { node: Arguments { args: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], defaults: [None], type_annotation_list: [None], ty_list: [None] }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }), return_type_str: None, body: [], return_ty: None }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
+        Node { node: Lambda(LambdaExpr { args: Some(Node { node: Arguments { args: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], defaults: [None], type_annotation_list: [None], ty_list: [None] }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }), return_type_str: None, body: [], return_ty: None }), filename: "", line: 1, column: 0, end_line: 1, end_column: 11 }
         "#]],
     );
 }
@@ -712,7 +712,7 @@ fn lambda_expr_2() {
     check_parsing_expr(
         r####"lambda x: int -> int {x}"####,
         expect![[r#"
-        Node { node: Lambda(LambdaExpr { args: Some(Node { node: Arguments { args: [Node { node: Identifier { names: ["x"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], defaults: [None], type_annotation_list: [Some(Node { node: "int", filename: "", line: 1, column: 10, end_line: 1, end_column: 13 })], ty_list: [Some(Node { node: Basic(Int), filename: "", line: 1, column: 10, end_line: 1, end_column: 13 })] }, filename: "", line: 1, column: 7, end_line: 1, end_column: 13 }), return_type_str: Some("int"), body: [Node { node: Expr(ExprStmt { exprs: [Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 22, end_line: 1, end_column: 23 }] }), filename: "", line: 1, column: 22, end_line: 1, end_column: 23 }], return_ty: Some(Node { node: Basic(Int), filename: "", line: 1, column: 17, end_line: 1, end_column: 20 }) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 24 }
+        Node { node: Lambda(LambdaExpr { args: Some(Node { node: Arguments { args: [Node { node: Identifier { names: [Node { node: "x", filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 7, end_line: 1, end_column: 8 }], defaults: [None], type_annotation_list: [Some(Node { node: "int", filename: "", line: 1, column: 10, end_line: 1, end_column: 13 })], ty_list: [Some(Node { node: Basic(Int), filename: "", line: 1, column: 10, end_line: 1, end_column: 13 })] }, filename: "", line: 1, column: 7, end_line: 1, end_column: 13 }), return_type_str: Some("int"), body: [Node { node: Expr(ExprStmt { exprs: [Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 1, column: 22, end_line: 1, end_column: 23 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 22, end_line: 1, end_column: 23 }] }), filename: "", line: 1, column: 22, end_line: 1, end_column: 23 }], return_ty: Some(Node { node: Basic(Int), filename: "", line: 1, column: 17, end_line: 1, end_column: 20 }) }), filename: "", line: 1, column: 0, end_line: 1, end_column: 24 }
         "#]],
     );
 }
@@ -728,7 +728,7 @@ fn lambda_expr_3() {
     _a
 }"####,
         expect![[r#"
-        Node { node: Lambda(LambdaExpr { args: None, return_type_str: None, body: [Node { node: If(IfStmt { body: [Node { node: Assign(AssignStmt { targets: [Node { node: Identifier { names: ["_a"], pkgpath: "", ctx: Store }, filename: "", line: 3, column: 8, end_line: 3, end_column: 10 }], value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 13, end_line: 3, end_column: 14 }, type_annotation: None, ty: None }), filename: "", line: 3, column: 8, end_line: 3, end_column: 14 }], cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, orelse: [Node { node: Assign(AssignStmt { targets: [Node { node: Identifier { names: ["_a"], pkgpath: "", ctx: Store }, filename: "", line: 5, column: 8, end_line: 5, end_column: 10 }], value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 13, end_line: 5, end_column: 14 }, type_annotation: None, ty: None }), filename: "", line: 5, column: 8, end_line: 5, end_column: 14 }] }), filename: "", line: 2, column: 4, end_line: 6, end_column: 4 }, Node { node: Expr(ExprStmt { exprs: [Node { node: Identifier(Identifier { names: ["_a"], pkgpath: "", ctx: Load }), filename: "", line: 6, column: 4, end_line: 6, end_column: 6 }] }), filename: "", line: 6, column: 4, end_line: 6, end_column: 6 }], return_ty: None }), filename: "", line: 1, column: 0, end_line: 7, end_column: 1 }
+        Node { node: Lambda(LambdaExpr { args: None, return_type_str: None, body: [Node { node: If(IfStmt { body: [Node { node: Assign(AssignStmt { targets: [Node { node: Identifier { names: [Node { node: "_a", filename: "", line: 3, column: 8, end_line: 3, end_column: 10 }], pkgpath: "", ctx: Store }, filename: "", line: 3, column: 8, end_line: 3, end_column: 10 }], value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 13, end_line: 3, end_column: 14 }, type_annotation: None, ty: None }), filename: "", line: 3, column: 8, end_line: 3, end_column: 14 }], cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, orelse: [Node { node: Assign(AssignStmt { targets: [Node { node: Identifier { names: [Node { node: "_a", filename: "", line: 5, column: 8, end_line: 5, end_column: 10 }], pkgpath: "", ctx: Store }, filename: "", line: 5, column: 8, end_line: 5, end_column: 10 }], value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 13, end_line: 5, end_column: 14 }, type_annotation: None, ty: None }), filename: "", line: 5, column: 8, end_line: 5, end_column: 14 }] }), filename: "", line: 2, column: 4, end_line: 6, end_column: 4 }, Node { node: Expr(ExprStmt { exprs: [Node { node: Identifier(Identifier { names: [Node { node: "_a", filename: "", line: 6, column: 4, end_line: 6, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 6, column: 4, end_line: 6, end_column: 6 }] }), filename: "", line: 6, column: 4, end_line: 6, end_column: 6 }], return_ty: None }), filename: "", line: 1, column: 0, end_line: 7, end_column: 1 }
         "#]],
     );
 }
@@ -786,7 +786,7 @@ fn config_if_expr_0() {
         a = 1
 }"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: None }), filename: "", line: 3, column: 8, end_line: 4, end_column: 0 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 4, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 4, end_column: 1 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: None }), filename: "", line: 3, column: 8, end_line: 4, end_column: 0 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 4, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 4, end_column: 1 }
         "#]],
     );
 }
@@ -801,7 +801,7 @@ fn config_if_expr_1() {
         a = 2
 }"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: Some(Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }] }), filename: "", line: 4, column: 4, end_line: 6, end_column: 0 }) }), filename: "", line: 3, column: 8, end_line: 4, end_column: 4 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 6, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 6, end_column: 1 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: Some(Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }] }), filename: "", line: 4, column: 4, end_line: 6, end_column: 0 }) }), filename: "", line: 3, column: 8, end_line: 4, end_column: 4 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 6, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 6, end_column: 1 }
         "#]],
     );
 }
@@ -818,7 +818,7 @@ fn config_if_expr_2() {
         a = 3
 }"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: Some(Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: ["x"], pkgpath: "", ctx: Load }), filename: "", line: 4, column: 9, end_line: 4, end_column: 10 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 4, column: 13, end_line: 4, end_column: 14 }] }), filename: "", line: 4, column: 9, end_line: 4, end_column: 14 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }], orelse: Some(Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 7, column: 8, end_line: 7, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 7, column: 12, end_line: 7, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 7, column: 12, end_line: 7, end_column: 13 }] }), filename: "", line: 6, column: 4, end_line: 8, end_column: 0 }) }), filename: "", line: 4, column: 4, end_line: 6, end_column: 4 }) }), filename: "", line: 3, column: 8, end_line: 4, end_column: 4 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 8, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 8, end_column: 1 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 3, column: 8, end_line: 3, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 3, column: 12, end_line: 3, end_column: 13 }], orelse: Some(Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: Compare(Compare { left: Node { node: Identifier(Identifier { names: [Node { node: "x", filename: "", line: 4, column: 9, end_line: 4, end_column: 10 }], pkgpath: "", ctx: Load }), filename: "", line: 4, column: 9, end_line: 4, end_column: 10 }, ops: [Gt], comparators: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 4, column: 13, end_line: 4, end_column: 14 }] }), filename: "", line: 4, column: 9, end_line: 4, end_column: 14 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 5, column: 8, end_line: 5, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 5, column: 12, end_line: 5, end_column: 13 }], orelse: Some(Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 7, column: 8, end_line: 7, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 7, column: 8, end_line: 7, end_column: 9 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(3) }), filename: "", line: 7, column: 12, end_line: 7, end_column: 13 }, operation: Override, insert_index: -1 }, filename: "", line: 7, column: 12, end_line: 7, end_column: 13 }] }), filename: "", line: 6, column: 4, end_line: 8, end_column: 0 }) }), filename: "", line: 4, column: 4, end_line: 6, end_column: 4 }) }), filename: "", line: 3, column: 8, end_line: 4, end_column: 4 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 8, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 8, end_column: 1 }
         "#]],
     );
 }
@@ -832,7 +832,7 @@ fn config_if_expr_3() {
             a = 1
 }"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: False }), filename: "", line: 3, column: 11, end_line: 3, end_column: 16 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 4, column: 12, end_line: 4, end_column: 13 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 4, column: 16, end_line: 4, end_column: 17 }, operation: Override, insert_index: -1 }, filename: "", line: 4, column: 16, end_line: 4, end_column: 17 }], orelse: None }), filename: "", line: 4, column: 12, end_line: 5, end_column: 0 }, operation: Override, insert_index: -1 }, filename: "", line: 4, column: 12, end_line: 5, end_column: 0 }], orelse: None }), filename: "", line: 3, column: 8, end_line: 5, end_column: 0 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 5, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 5, end_column: 1 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: True }), filename: "", line: 2, column: 7, end_line: 2, end_column: 11 }, items: [Node { node: ConfigEntry { key: None, value: Node { node: ConfigIfEntry(ConfigIfEntryExpr { if_cond: Node { node: NameConstantLit(NameConstantLit { value: False }), filename: "", line: 3, column: 11, end_line: 3, end_column: 16 }, items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 4, column: 12, end_line: 4, end_column: 13 }], pkgpath: "", ctx: Load }), filename: "", line: 4, column: 12, end_line: 4, end_column: 13 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 4, column: 16, end_line: 4, end_column: 17 }, operation: Override, insert_index: -1 }, filename: "", line: 4, column: 16, end_line: 4, end_column: 17 }], orelse: None }), filename: "", line: 4, column: 12, end_line: 5, end_column: 0 }, operation: Override, insert_index: -1 }, filename: "", line: 4, column: 12, end_line: 5, end_column: 0 }], orelse: None }), filename: "", line: 3, column: 8, end_line: 5, end_column: 0 }, operation: Union, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 5, end_column: 0 }] }), filename: "", line: 1, column: 0, end_line: 5, end_column: 1 }
         "#]],
     );
 }
@@ -842,7 +842,7 @@ fn schema_expr_0() {
     check_parsing_expr(
         r####"Schema {}"####,
         expect![[r#"
-        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: ["Schema"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [] }), filename: "", line: 1, column: 7, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 9 }
+        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: [Node { node: "Schema", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [] }), filename: "", line: 1, column: 7, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 9 }
         "#]],
     );
 }
@@ -852,7 +852,7 @@ fn schema_expr_1() {
     check_parsing_expr(
         r####"Schema {k=v}"####,
         expect![[r#"
-        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: ["Schema"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }), value: Node { node: Identifier(Identifier { names: ["v"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 7, end_line: 1, end_column: 12 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }
+        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: [Node { node: "Schema", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k", filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v", filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 10, end_line: 1, end_column: 11 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 8, end_line: 1, end_column: 11 }] }), filename: "", line: 1, column: 7, end_line: 1, end_column: 12 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 12 }
         "#]],
     );
 }
@@ -862,7 +862,7 @@ fn schema_expr_2() {
     check_parsing_expr(
         r####"Schema () {k=v}"####,
         expect![[r#"
-        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: ["Schema"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }), value: Node { node: Identifier(Identifier { names: ["v"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 11, end_line: 1, end_column: 14 }] }), filename: "", line: 1, column: 10, end_line: 1, end_column: 15 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
+        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: [Node { node: "Schema", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k", filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v", filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 13, end_line: 1, end_column: 14 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 11, end_line: 1, end_column: 14 }] }), filename: "", line: 1, column: 10, end_line: 1, end_column: 15 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
         "#]],
     );
 }
@@ -872,7 +872,7 @@ fn schema_expr_3() {
     check_parsing_expr(
         r####"Schema (1, 2) {k=v}"####,
         expect![[r#"
-        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: ["Schema"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 }), value: Node { node: Identifier(Identifier { names: ["v"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 15, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 14, end_line: 1, end_column: 19 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 19 }
+        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: [Node { node: "Schema", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k", filename: "", line: 1, column: 15, end_line: 1, end_column: 16 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 15, end_line: 1, end_column: 16 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v", filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 17, end_line: 1, end_column: 18 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 15, end_line: 1, end_column: 18 }] }), filename: "", line: 1, column: 14, end_line: 1, end_column: 19 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 19 }
         "#]],
     );
 }
@@ -884,7 +884,7 @@ fn schema_expr_4() {
     k=v
 }"####,
         expect![[r#"
-        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: ["Schema"], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["k"], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: Identifier(Identifier { names: ["v"], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 6, end_line: 2, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 7 }] }), filename: "", line: 1, column: 14, end_line: 3, end_column: 1 } }), filename: "", line: 1, column: 0, end_line: 3, end_column: 1 }
+        Node { node: Schema(SchemaExpr { name: Node { node: Identifier { names: [Node { node: "Schema", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }, filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }, args: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 }, Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 11, end_line: 1, end_column: 12 }], kwargs: [], config: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "k", filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: Identifier(Identifier { names: [Node { node: "v", filename: "", line: 2, column: 6, end_line: 2, end_column: 7 }], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 6, end_line: 2, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 7 }] }), filename: "", line: 1, column: 14, end_line: 3, end_column: 1 } }), filename: "", line: 1, column: 0, end_line: 3, end_column: 1 }
         "#]],
     );
 }
@@ -1023,13 +1023,13 @@ fn test_named_type() {
     check_parsing_type(
         r####"Person"####,
         expect![[r#"
-        Node { node: Named(Identifier { names: ["Person"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Named(Identifier { names: [Node { node: "Person", filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
     check_parsing_type(
         r####"some.pkg.Person"####,
         expect![[r#"
-        Node { node: Named(Identifier { names: ["some", "pkg", "Person"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
+        Node { node: Named(Identifier { names: [Node { node: "some", filename: "", line: 1, column: 0, end_line: 1, end_column: 4 }, Node { node: "pkg", filename: "", line: 1, column: 5, end_line: 1, end_column: 8 }, Node { node: "Person", filename: "", line: 1, column: 9, end_line: 1, end_column: 15 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 15 }
         "#]],
     )
 }
@@ -1126,7 +1126,7 @@ schema TestBool:
         name not None, "we fail here"
         "####,
         expect![[r#"
-        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         "#]],
     );
 }
@@ -1142,7 +1142,7 @@ fn test_parse_joined_string() {
     check_parsing_expr(
         r####"'abc${a+1}cde'"####,
         expect![[r#"
-        Node { node: JoinedString(JoinedString { is_long_string: false, values: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "abc", value: "abc" }), filename: "", line: 1, column: 1, end_line: 1, end_column: 1 }, Node { node: FormattedValue(FormattedValue { is_long_string: false, value: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }, format_spec: None }), filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }, Node { node: StringLit(StringLit { is_long_string: false, raw_value: "cde", value: "cde" }), filename: "", line: 1, column: 1, end_line: 1, end_column: 1 }], raw_value: "'abc${a+1}cde'" }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
+        Node { node: JoinedString(JoinedString { is_long_string: false, values: [Node { node: StringLit(StringLit { is_long_string: false, raw_value: "abc", value: "abc" }), filename: "", line: 1, column: 1, end_line: 1, end_column: 1 }, Node { node: FormattedValue(FormattedValue { is_long_string: false, value: Node { node: Binary(BinaryExpr { left: Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 6, end_line: 1, end_column: 7 }, op: Bin(Add), right: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 1, column: 8, end_line: 1, end_column: 9 } }), filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }, format_spec: None }), filename: "", line: 1, column: 6, end_line: 1, end_column: 9 }, Node { node: StringLit(StringLit { is_long_string: false, raw_value: "cde", value: "cde" }), filename: "", line: 1, column: 1, end_line: 1, end_column: 1 }], raw_value: "'abc${a+1}cde'" }), filename: "", line: 1, column: 0, end_line: 1, end_column: 14 }
         "#]],
     );
 }
@@ -1153,7 +1153,7 @@ fn test_parse_assign_stmt() {
         "hello.k",
         r####"a=123"####,
         expect![[r#"
-        {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":["a"],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":1,"column":0,"end_line":1,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":123}}},"filename":"hello.k","line":1,"column":2,"end_line":1,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":1,"column":0,"end_line":1,"end_column":5}],"comments":[]}
+        {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"a","filename":"hello.k","line":1,"column":0,"end_line":1,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":1,"column":0,"end_line":1,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":123}}},"filename":"hello.k","line":1,"column":2,"end_line":1,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":1,"column":0,"end_line":1,"end_column":5}],"comments":[]}
         "#]],
     );
 }
@@ -1171,7 +1171,7 @@ elif a == 10 and b == 12: _condition = 2
 condition = _condition
         "####,
         expect![[r#"
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+        {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"a","filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":10}}},"filename":"hello.k","line":2,"column":4,"end_line":2,"end_column":6},"type_annotation":null,"ty":null}},"filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":6},{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"b","filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":12}}},"filename":"hello.k","line":3,"column":4,"end_line":3,"end_column":6},"type_annotation":null,"ty":null}},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":6},{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"_condition","filename":"hello.k","line":4,"column":0,"end_line":4,"end_column":10}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":4,"column":0,"end_line":4,"end_column":10}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":0}}},"filename":"hello.k","line":4,"column":13,"end_line":4,"end_column":14},"type_annotation":null,"ty":null}},"filename":"hello.k","line":4,"column":0,"end_line":4,"end_column":14},{"node":{"If":{"body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"_condition","filename":"hello.k","line":5,"column":23,"end_line":5,"end_column":33}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":5,"column":23,"end_line":5,"end_column":33}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":1}}},"filename":"hello.k","line":5,"column":36,"end_line":5,"end_column":37},"type_annotation":null,"ty":null}},"filename":"hello.k","line":5,"column":23,"end_line":5,"end_column":37}],"cond":{"node":{"Binary":{"left":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"a","filename":"hello.k","line":5,"column":3,"end_line":5,"end_column":4}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":5,"column":3,"end_line":5,"end_column":4},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":11}}},"filename":"hello.k","line":5,"column":8,"end_line":5,"end_column":10}]}},"filename":"hello.k","line":5,"column":3,"end_line":5,"end_column":21},"op":{"Bin":"Or"},"right":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"b","filename":"hello.k","line":5,"column":14,"end_line":5,"end_column":15}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":5,"column":14,"end_line":5,"end_column":15},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":13}}},"filename":"hello.k","line":5,"column":19,"end_line":5,"end_column":21}]}},"filename":"hello.k","line":5,"column":14,"end_line":5,"end_column":21}}},"filename":"hello.k","line":5,"column":3,"end_line":5,"end_column":21},"orelse":[{"node":{"If":{"body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"_condition","filename":"hello.k","line":6,"column":26,"end_line":6,"end_column":36}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":6,"column":26,"end_line":6,"end_column":36}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":2}}},"filename":"hello.k","line":6,"column":39,"end_line":6,"end_column":40},"type_annotation":null,"ty":null}},"filename":"hello.k","line":6,"column":26,"end_line":6,"end_column":40}],"cond":{"node":{"Binary":{"left":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"a","filename":"hello.k","line":6,"column":5,"end_line":6,"end_column":6}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":6,"column":5,"end_line":6,"end_column":6},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":10}}},"filename":"hello.k","line":6,"column":10,"end_line":6,"end_column":12}]}},"filename":"hello.k","line":6,"column":5,"end_line":6,"end_column":24},"op":{"Bin":"And"},"right":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"b","filename":"hello.k","line":6,"column":17,"end_line":6,"end_column":18}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":6,"column":17,"end_line":6,"end_column":18},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":12}}},"filename":"hello.k","line":6,"column":22,"end_line":6,"end_column":24}]}},"filename":"hello.k","line":6,"column":17,"end_line":6,"end_column":24}}},"filename":"hello.k","line":6,"column":5,"end_line":6,"end_column":24},"orelse":[]}},"filename":"hello.k","line":6,"column":0,"end_line":7,"end_column":0}]}},"filename":"hello.k","line":5,"column":0,"end_line":7,"end_column":0},{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"condition","filename":"hello.k","line"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         "#]],
     );
 
@@ -1184,8 +1184,8 @@ data2 = {
 }
         "####,
         expect![[r#"
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-        "#]],
+       {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"data2","filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":5}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":5}],"value":{"node":{"Config":{"items":[{"node":{"key":null,"value":{"node":{"Config":{"items":[{"node":{"key":{"node":{"Identifier":{"names":[{"node":"key","filename":"hello.k","line":3,"column":7,"end_line":3,"end_column":10}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":3,"column":7,"end_line":3,"end_column":10},"value":{"node":{"StringLit":{"is_long_string":false,"raw_value":"\"value1\"","value":"value1"}},"filename":"hello.k","line":3,"column":13,"end_line":3,"end_column":21},"operation":"Override","insert_index":-1},"filename":"hello.k","line":3,"column":7,"end_line":3,"end_column":21}]}},"filename":"hello.k","line":3,"column":6,"end_line":3,"end_column":22},"operation":"Union","insert_index":-1},"filename":"hello.k","line":3,"column":4,"end_line":3,"end_column":22},{"node":{"key":null,"value":{"node":{"ConfigIfEntry":{"if_cond":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"a","filename":"hello.k","line":4,"column":7,"end_line":4,"end_column":8}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":4,"column":7,"end_line":4,"end_column":8},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":123}}},"filename":"hello.k","line":4,"column":12,"end_line":4,"end_column":15}]}},"filename":"hello.k","line":4,"column":7,"end_line":4,"end_column":15},"items":[{"node":{"key":null,"value":{"node":{"ConfigIfEntry":{"if_cond":{"node":{"Compare":{"left":{"node":{"Identifier":{"names":[{"node":"b","filename":"hello.k","line":4,"column":20,"end_line":4,"end_column":21}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":4,"column":20,"end_line":4,"end_column":21},"ops":["Eq"],"comparators":[{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":456}}},"filename":"hello.k","line":4,"column":25,"end_line":4,"end_column":28}]}},"filename":"hello.k","line":4,"column":20,"end_line":4,"end_column":28},"items":[{"node":{"key":{"node":{"Identifier":{"names":[{"node":"key","filename":"hello.k","line":4,"column":30,"end_line":4,"end_column":33}],"pkgpath":"","ctx":"Load"}},"filename":"hello.k","line":4,"column":30,"end_line":4,"end_column":33},"value":{"node":{"StringLit":{"is_long_string":false,"raw_value":"\"value2\"","value":"value2"}},"filename":"hello.k","line":4,"column":36,"end_line":4,"end_column":44},"operation":"Override","insert_index":-1},"filename":"hello.k","line":4,"column":36,"end_line":4,"end_column":44}],"orelse":null}},"filename":"hello.k","line":4,"column":30,"end_line":4,"end_column":44},"operation":"Override","insert_index":-1},"filename":"hello.k","line":4,"column":30,"end_line":4,"end_column":44}],"orelse":null}},"filename":"hello.k","line":4,"column":17,"end_line":5,"end_column":0},"operation":"Union","insert_index":-1},"filename":"hello.k","line":4,"column":4,"end_line":5,"end_column":0}]}},"filename":"hello.k","line":2,"column":8,"end_line":5,"end_column":1},"type_annotation":null,"ty":null}},"filename":"hello.k","line":2,"column":0,"end_line":5,"end_column":1}],"comments":[]}
+       "#]],
     );
 
     check_parsing_file_ast_json(
@@ -1199,7 +1199,7 @@ b = 2
 c = 3 # comment4444
         "####,
         expect![[r###"
-        {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":["a"],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":1}}},"filename":"hello.k","line":3,"column":4,"end_line":3,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":5},{"node":{"Assign":{"targets":[{"node":{"names":["b"],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":5,"column":0,"end_line":5,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":2}}},"filename":"hello.k","line":5,"column":4,"end_line":5,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":5,"column":0,"end_line":5,"end_column":5},{"node":{"Assign":{"targets":[{"node":{"names":["c"],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":7,"column":0,"end_line":7,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":3}}},"filename":"hello.k","line":7,"column":4,"end_line":7,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":7,"column":0,"end_line":7,"end_column":5}],"comments":[{"node":{"text":"# comment1"},"filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":10},{"node":{"text":"# comment22"},"filename":"hello.k","line":4,"column":0,"end_line":4,"end_column":11},{"node":{"text":"# comment333"},"filename":"hello.k","line":6,"column":0,"end_line":6,"end_column":12},{"node":{"text":"# comment4444"},"filename":"hello.k","line":7,"column":6,"end_line":7,"end_column":19}]}
+        {"filename":"hello.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"a","filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":1}}},"filename":"hello.k","line":3,"column":4,"end_line":3,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":3,"column":0,"end_line":3,"end_column":5},{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"b","filename":"hello.k","line":5,"column":0,"end_line":5,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":5,"column":0,"end_line":5,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":2}}},"filename":"hello.k","line":5,"column":4,"end_line":5,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":5,"column":0,"end_line":5,"end_column":5},{"node":{"Assign":{"targets":[{"node":{"names":[{"node":"c","filename":"hello.k","line":7,"column":0,"end_line":7,"end_column":1}],"pkgpath":"","ctx":"Store"},"filename":"hello.k","line":7,"column":0,"end_line":7,"end_column":1}],"value":{"node":{"NumberLit":{"binary_suffix":null,"value":{"Int":3}}},"filename":"hello.k","line":7,"column":4,"end_line":7,"end_column":5},"type_annotation":null,"ty":null}},"filename":"hello.k","line":7,"column":0,"end_line":7,"end_column":5}],"comments":[{"node":{"text":"# comment1"},"filename":"hello.k","line":2,"column":0,"end_line":2,"end_column":10},{"node":{"text":"# comment22"},"filename":"hello.k","line":4,"column":0,"end_line":4,"end_column":11},{"node":{"text":"# comment333"},"filename":"hello.k","line":6,"column":0,"end_line":6,"end_column":12},{"node":{"text":"# comment4444"},"filename":"hello.k","line":7,"column":6,"end_line":7,"end_column":19}]}
         "###]],
     );
 }
@@ -1361,7 +1361,7 @@ fn expr_with_brace1() {
     check_parsing_expr(
         r####"{a=2}"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 4 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 4 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -1371,7 +1371,7 @@ fn expr_with_brace2() {
     check_parsing_expr(
         r####"{a=2}}"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 4 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 3, end_line: 1, end_column: 4 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 4 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 5 }
         "#]],
     );
 }
@@ -1381,7 +1381,7 @@ fn expr_with_delim1() {
     check_parsing_expr(
         r####"({a=2}"####,
         expect![[r#"
-        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -1391,7 +1391,7 @@ fn expr_with_delim2() {
     check_parsing_expr(
         r####"({a=(2}"####,
         expect![[r#"
-        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: Paren(ParenExpr { expr: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 7 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: Paren(ParenExpr { expr: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 } }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 7 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -1401,7 +1401,7 @@ fn expr_with_delim3() {
     check_parsing_expr(
         r####"{a=[2]"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], ctx: Load }), filename: "", line: 1, column: 3, end_line: 1, end_column: 6 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 1, end_line: 1, end_column: 2 }), value: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }], ctx: Load }), filename: "", line: 1, column: 3, end_line: 1, end_column: 6 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }] }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -1411,7 +1411,7 @@ fn expr_with_delim4() {
     check_parsing_expr(
         r####"[{a=2}"####,
         expect![[r#"
-        Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }], ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
+        Node { node: List(ListExpr { elts: [Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 4, end_line: 1, end_column: 5 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 5 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 6 }], ctx: Load }), filename: "", line: 1, column: 0, end_line: 1, end_column: 6 }
         "#]],
     );
 }
@@ -1421,7 +1421,7 @@ fn expr_with_delim5() {
     check_parsing_expr(
         r####"({a=[2}"####,
         expect![[r#"
-        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }], ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 7 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
+        Node { node: Paren(ParenExpr { expr: Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }], pkgpath: "", ctx: Load }), filename: "", line: 1, column: 2, end_line: 1, end_column: 3 }), value: Node { node: List(ListExpr { elts: [Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(2) }), filename: "", line: 1, column: 5, end_line: 1, end_column: 6 }], ctx: Load }), filename: "", line: 1, column: 4, end_line: 1, end_column: 7 }, operation: Override, insert_index: -1 }, filename: "", line: 1, column: 2, end_line: 1, end_column: 7 }] }), filename: "", line: 1, column: 1, end_line: 1, end_column: 7 } }), filename: "", line: 1, column: 0, end_line: 1, end_column: 7 }
         "#]],
     );
 }
@@ -1443,7 +1443,7 @@ fn expr_with_delim7() {
     a = 1
 }"####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 2, column: 8, end_line: 2, end_column: 9 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 3, end_column: 1 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 2, column: 8, end_line: 2, end_column: 9 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 3, end_column: 1 }
         "#]],
     );
 }
@@ -1455,7 +1455,7 @@ fn expr_with_delim8() {
     a = 1
 "####,
         expect![[r#"
-        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: ["a"], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 2, column: 8, end_line: 2, end_column: 9 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 2, end_column: 10 }
+        Node { node: Config(ConfigExpr { items: [Node { node: ConfigEntry { key: Some(Node { node: Identifier(Identifier { names: [Node { node: "a", filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }], pkgpath: "", ctx: Load }), filename: "", line: 2, column: 4, end_line: 2, end_column: 5 }), value: Node { node: NumberLit(NumberLit { binary_suffix: None, value: Int(1) }), filename: "", line: 2, column: 8, end_line: 2, end_column: 9 }, operation: Override, insert_index: -1 }, filename: "", line: 2, column: 4, end_line: 2, end_column: 9 }] }), filename: "", line: 1, column: 0, end_line: 2, end_column: 10 }
         "#]],
     );
 }
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_1.snap
index 4c1772cb4..86230afe9 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 157
 expression: "crate::tests::parsing_module_string(r#\"assert a.\"#)"
 ---
 Module {
@@ -16,8 +15,22 @@ Module {
                         node: Identifier(
                             Identifier {
                                 names: [
-                                    "a",
-                                    "",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 7,
+                                        end_line: 1,
+                                        end_column: 8,
+                                    },
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 9,
+                                        end_line: 1,
+                                        end_column: 9,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_3.snap
index ef733ae31..80a0d8438 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assert_stmt_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 159
 expression: "crate::tests::parsing_module_string(r#\"assert True if data else 'msg'\"#)"
 ---
 Module {
@@ -29,7 +28,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "data",
+                                        Node {
+                                            node: "data",
+                                            filename: "",
+                                            line: 1,
+                                            column: 15,
+                                            end_line: 1,
+                                            end_column: 19,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -59,7 +65,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "else",
+                                        Node {
+                                            node: "else",
+                                            filename: "",
+                                            line: 1,
+                                            column: 20,
+                                            end_line: 1,
+                                            end_column: 24,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_0.snap
index 816185317..4f67ff5db 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_0.snap
@@ -15,7 +15,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 0,
+                                        end_line: 1,
+                                        end_column: 1,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_2.snap
index 574e5a445..341bd0647 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_2.snap
@@ -15,7 +15,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 0,
+                                        end_line: 1,
+                                        end_column: 1,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_3.snap
index cf3936b8e..0ae6a0afa 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 148
 expression: "crate::tests::parsing_module_string(r#\"a: a = 1\"#)"
 ---
 Module {
@@ -16,7 +15,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 0,
+                                        end_line: 1,
+                                        end_column: 1,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
@@ -58,7 +64,14 @@ Module {
                             node: Named(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 3,
+                                            end_line: 1,
+                                            end_column: 4,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_5.snap
index f43dd11fe..c680b8227 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_5.snap
@@ -15,7 +15,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 0,
+                                        end_line: 1,
+                                        end_column: 1,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
@@ -29,7 +36,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "b",
+                                    Node {
+                                        node: "b",
+                                        filename: "",
+                                        line: 1,
+                                        column: 4,
+                                        end_line: 1,
+                                        end_column: 5,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_6.snap
index ac01fe91c..d5b28116a 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__assign_stmt_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 151
 expression: "crate::tests::parsing_module_string(r#\"a() = b. = c\"#)"
 ---
 Module {
@@ -28,8 +27,22 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "b",
-                                    "",
+                                    Node {
+                                        node: "b",
+                                        filename: "",
+                                        line: 1,
+                                        column: 6,
+                                        end_line: 1,
+                                        end_column: 7,
+                                    },
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 9,
+                                        end_line: 1,
+                                        end_column: 9,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
@@ -45,7 +58,14 @@ Module {
                         node: Identifier(
                             Identifier {
                                 names: [
-                                    "c",
+                                    Node {
+                                        node: "c",
+                                        filename: "",
+                                        line: 1,
+                                        column: 11,
+                                        end_line: 1,
+                                        end_column: 12,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_0.snap
index 3b1bef3ac..bd7c6ee1d 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_0.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 63
 expression: "crate::tests::parsing_expr_string(r#\"a not is b\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_1.snap
index 486f01f7a..c216df331 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 64
 expression: "crate::tests::parsing_expr_string(r#\"a is is not b\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -30,7 +36,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "is",
+                                Node {
+                                    node: "is",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 7,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_2.snap
index 4c6aa7372..977b93b43 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_2.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 65
 expression: "crate::tests::parsing_expr_string(r#\"a not b\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_3.snap
index 1adbcb8ba..bf68b34e3 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_3.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 66
 expression: "crate::tests::parsing_expr_string(r#\"a not is in b\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_4.snap
index d92242b9e..d4b9948ff 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 67
 expression: "crate::tests::parsing_expr_string(r#\"a in in b\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -30,7 +36,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "in",
+                                Node {
+                                    node: "in",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 7,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_5.snap
index 50f32141c..3b3317cca 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 68
 expression: "crate::tests::parsing_expr_string(r#\"a ++ b\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -33,7 +39,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "b",
+                                        Node {
+                                            node: "b",
+                                            filename: "",
+                                            line: 1,
+                                            column: 5,
+                                            end_line: 1,
+                                            end_column: 6,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_6.snap
index 6e7ca10ed..d2e237193 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_6.snap
@@ -12,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 0,
+                                            end_line: 1,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -64,7 +71,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "b",
+                            Node {
+                                node: "b",
+                                filename: "",
+                                line: 1,
+                                column: 8,
+                                end_line: 1,
+                                end_column: 9,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_7.snap
index 15d1d32d6..ffa4d8b58 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_7.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 70
 expression: "crate::tests::parsing_expr_string(r#\"a +is b\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -29,7 +35,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "is",
+                            Node {
+                                node: "is",
+                                filename: "",
+                                line: 1,
+                                column: 3,
+                                end_line: 1,
+                                end_column: 5,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_8.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_8.snap
index 6f758f811..e76e3f815 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_8.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__binary_recovery_8.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 71
 expression: "crate::tests::parsing_expr_string(r#\"a +=+ b\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_0.snap
index 6eecf95e2..765f62e31 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_0.snap
@@ -9,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_1.snap
index a816d63c6..bdfd9fb5a 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 113
 expression: "crate::tests::parsing_expr_string(r#\"a(]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_2.snap
index f7a79b3b3..f6572f600 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_2.snap
@@ -9,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -26,7 +33,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "a",
+                                Node {
+                                    node: "a",
+                                    filename: "",
+                                    line: 1,
+                                    column: 2,
+                                    end_line: 1,
+                                    end_column: 3,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_3.snap
index 25be34297..e853ca663 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 115
 expression: "crate::tests::parsing_expr_string(r#\"a.b(a=1,2)\"#)"
 ---
 Node {
@@ -10,8 +9,22 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
-                            "b",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
+                            Node {
+                                node: "b",
+                                filename: "",
+                                line: 1,
+                                column: 2,
+                                end_line: 1,
+                                end_column: 3,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -46,7 +59,14 @@ Node {
                         arg: Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 4,
+                                        end_line: 1,
+                                        end_column: 5,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_4.snap
index b6f4e6236..174c24666 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 116
 expression: "crate::tests::parsing_expr_string(r#\"a(a.ba=1,2)\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -45,8 +51,22 @@ Node {
                         arg: Node {
                             node: Identifier {
                                 names: [
-                                    "a",
-                                    "ba",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 1,
+                                        column: 2,
+                                        end_line: 1,
+                                        end_column: 3,
+                                    },
+                                    Node {
+                                        node: "ba",
+                                        filename: "",
+                                        line: 1,
+                                        column: 4,
+                                        end_line: 1,
+                                        end_column: 6,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_5.snap
index fb4911774..b279a496b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 117
 expression: "crate::tests::parsing_expr_string(r#\"a(a.b+a=1,2)\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_6.snap
index de789f580..0b7e629f4 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 118
 expression: "crate::tests::parsing_expr_string(r#\"a(a-1.b=1)\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_7.snap
index 723bad9e6..064b56799 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__call_recovery_7.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 144
 expression: "crate::tests::parsing_expr_string(r#\"a(type=\"list\", \"key\")\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -44,7 +50,14 @@ Node {
                         arg: Node {
                             node: Identifier {
                                 names: [
-                                    "type",
+                                    Node {
+                                        node: "type",
+                                        filename: "",
+                                        line: 1,
+                                        column: 2,
+                                        end_line: 1,
+                                        end_column: 6,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_0.snap
index 2c3b84950..8a232b432 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_0.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 71
 expression: "crate::tests::parsing_expr_string(\"[i for i in [1,2,3]]\")"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "i",
+                            Node {
+                                node: "i",
+                                filename: "",
+                                line: 1,
+                                column: 1,
+                                end_line: 1,
+                                end_column: 2,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -29,7 +35,14 @@ Node {
                             Node {
                                 node: Identifier {
                                     names: [
-                                        "i",
+                                        Node {
+                                            node: "i",
+                                            filename: "",
+                                            line: 1,
+                                            column: 7,
+                                            end_line: 1,
+                                            end_column: 8,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_1.snap
index eb394815c..4d07d7700 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 72
 expression: "crate::tests::parsing_expr_string(\"[i, j for i in [1,2,3]]\")"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "i",
+                            Node {
+                                node: "i",
+                                filename: "",
+                                line: 1,
+                                column: 1,
+                                end_line: 1,
+                                end_column: 2,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -29,7 +35,14 @@ Node {
                             Node {
                                 node: Identifier {
                                     names: [
-                                        "i",
+                                        Node {
+                                            node: "i",
+                                            filename: "",
+                                            line: 1,
+                                            column: 10,
+                                            end_line: 1,
+                                            end_column: 11,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_3.snap
index 0df1e55ad..823289713 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 74
 expression: "crate::tests::parsing_expr_string(\"{i for i in [1,2,3]}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "i",
+                                            Node {
+                                                node: "i",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -34,7 +40,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "i",
+                                                    Node {
+                                                        node: "i",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 7,
+                                                        end_line: 1,
+                                                        end_column: 8,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_4.snap
index d6f5f4cdb..5f23dacbc 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 75
 expression: "crate::tests::parsing_expr_string(\"{i: for i in [1,2,3]}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "i",
+                                            Node {
+                                                node: "i",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -31,7 +37,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "for",
+                                        Node {
+                                            node: "for",
+                                            filename: "",
+                                            line: 1,
+                                            column: 4,
+                                            end_line: 1,
+                                            end_column: 7,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -62,7 +75,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "i",
+                                                        Node {
+                                                            node: "i",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 8,
+                                                            end_line: 1,
+                                                            end_column: 9,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_5.snap
index 0bf399bf3..5f6f6520e 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__comp_clause_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 76
 expression: "crate::tests::parsing_expr_string(\"{i: 1, j for i in [1,2,3]}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "i",
+                                            Node {
+                                                node: "i",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -58,7 +64,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "j",
+                                            Node {
+                                                node: "j",
+                                                filename: "",
+                                                line: 1,
+                                                column: 7,
+                                                end_line: 1,
+                                                end_column: 8,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -78,7 +91,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "i",
+                                                    Node {
+                                                        node: "i",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 13,
+                                                        end_line: 1,
+                                                        end_column: 14,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_0.snap
index dd7b2ca60..a64d0b4e7 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_0.snap
@@ -9,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -40,7 +47,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 6,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_1.snap
index 5fdafedad..d75e31cfd 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 73
 expression: "crate::tests::parsing_expr_string(r#\"a < !b >!1\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -35,7 +41,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 5,
+                                                end_line: 1,
+                                                end_column: 6,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_2.snap
index d9abd32f9..d75e31cfd 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 74
 expression: "crate::tests::parsing_expr_string(r#\"a < !b >!1\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -35,7 +41,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 5,
+                                                end_line: 1,
+                                                end_column: 6,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_3.snap
index f89c3c9c4..0e59edb63 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_3.snap
@@ -12,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 0,
+                                            end_line: 1,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -53,7 +60,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 6,
+                                    end_line: 1,
+                                    end_column: 7,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_4.snap
index 63861ae45..180757482 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_4.snap
@@ -9,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -52,7 +59,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 6,
+                                    end_line: 1,
+                                    end_column: 7,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_5.snap
index 2a8dcf32d..3b231aeec 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 77
 expression: "crate::tests::parsing_expr_string(r#\"a >+ b\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -34,7 +40,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 5,
+                                                end_line: 1,
+                                                end_column: 6,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_6.snap
index 48a874d6a..d0df0d26a 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__compare_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 78
 expression: "crate::tests::parsing_expr_string(r#\"<a >+ b\"#)"
 ---
 Node {
@@ -25,7 +24,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "a",
+                                Node {
+                                    node: "a",
+                                    filename: "",
+                                    line: 1,
+                                    column: 1,
+                                    end_line: 1,
+                                    end_column: 2,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
@@ -45,7 +51,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 6,
+                                                end_line: 1,
+                                                end_column: 7,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_1.snap
index 6ab627e0e..d608c7b68 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 15
 expression: "crate::tests::parsing_expr_string(\"{a = 1\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_10.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_10.snap
index 7facff34b..b1f1cd86b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_10.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_10.snap
@@ -13,7 +13,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 3,
+                                            end_line: 1,
+                                            end_column: 4,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -57,7 +64,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "b",
+                                                        Node {
+                                                            node: "b",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 7,
+                                                            end_line: 1,
+                                                            end_column: 8,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_11.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_11.snap
index 702db6551..054a988c5 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_11.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_11.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 69
 expression: "crate::tests::parsing_expr_string(\"{if True: a = , b = 2}\")"
 ---
 Node {
@@ -33,7 +32,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "a",
+                                                                    Node {
+                                                                        node: "a",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 10,
+                                                                        end_line: 1,
+                                                                        end_column: 11,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
@@ -91,7 +97,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 16,
+                                                end_line: 1,
+                                                end_column: 17,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_12.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_12.snap
index 897a66ec5..0e5bd8cf9 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_12.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_12.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 70
 expression: "crate::tests::parsing_expr_string(\"{if True: *a, b = 2}\")"
 ---
 Node {
@@ -49,7 +48,14 @@ Node {
                                                                     node: Identifier(
                                                                         Identifier {
                                                                             names: [
-                                                                                "a",
+                                                                                Node {
+                                                                                    node: "a",
+                                                                                    filename: "",
+                                                                                    line: 1,
+                                                                                    column: 11,
+                                                                                    end_line: 1,
+                                                                                    end_column: 12,
+                                                                                },
                                                                             ],
                                                                             pkgpath: "",
                                                                             ctx: Load,
@@ -115,7 +121,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 14,
+                                                end_line: 1,
+                                                end_column: 15,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_13.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_13.snap
index 181c8aff6..2fb72d112 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_13.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_13.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 71
 expression: "crate::tests::parsing_expr_string(\"{if True: key: {}}\")"
 ---
 Node {
@@ -33,7 +32,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "key",
+                                                                    Node {
+                                                                        node: "key",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 10,
+                                                                        end_line: 1,
+                                                                        end_column: 13,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_14.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_14.snap
index b3db187b9..bca2a5575 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_14.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_14.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 72
 expression: "crate::tests::parsing_expr_string(\"{if True: key: []}\")"
 ---
 Node {
@@ -33,7 +32,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "key",
+                                                                    Node {
+                                                                        node: "key",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 10,
+                                                                        end_line: 1,
+                                                                        end_column: 13,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_2.snap
index fad62a544..f04db9f45 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 16
 expression: "crate::tests::parsing_expr_string(\"{a = 1, b = 2\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -58,7 +64,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 8,
+                                                end_line: 1,
+                                                end_column: 9,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_3.snap
index 943ef87e2..ffe8fd510 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 17
 expression: "crate::tests::parsing_expr_string(\"{a = {a = 1}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -38,7 +44,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "a",
+                                                                    Node {
+                                                                        node: "a",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 6,
+                                                                        end_line: 1,
+                                                                        end_column: 7,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_4.snap
index d452826d8..47f298ace 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 18
 expression: "crate::tests::parsing_expr_string(\"{a = {a = 1\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -38,7 +44,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "a",
+                                                                    Node {
+                                                                        node: "a",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 6,
+                                                                        end_line: 1,
+                                                                        end_column: 7,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_5.snap
index 24a8138ce..990340591 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 19
 expression: "crate::tests::parsing_expr_string(r#\"{\n    a = 1\n    b = 2\n    \"#)"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 2,
+                                                column: 4,
+                                                end_line: 2,
+                                                end_column: 5,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -58,7 +64,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 3,
+                                                column: 4,
+                                                end_line: 3,
+                                                end_column: 5,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_6.snap
index 65a6b5194..26b784328 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 64
 expression: "crate::tests::parsing_expr_string(\"{a = 1 b = 2}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -58,7 +64,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 7,
+                                                end_line: 1,
+                                                end_column: 8,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_7.snap
index 9f2d22cdb..a1b7d7b23 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_7.snap
@@ -13,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -68,7 +75,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "b",
+                                        Node {
+                                            node: "b",
+                                            filename: "",
+                                            line: 1,
+                                            column: 9,
+                                            end_line: 1,
+                                            end_column: 10,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_8.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_8.snap
index 6d4b02d17..2ceb8cd02 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_8.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_8.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 66
 expression: "crate::tests::parsing_expr_string(\"{a = 1 ~ b = 2}\")"
 ---
 Node {
@@ -14,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 1,
+                                                end_line: 1,
+                                                end_column: 2,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -62,7 +68,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "b",
+                                                        Node {
+                                                            node: "b",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 9,
+                                                            end_line: 1,
+                                                            end_column: 10,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_9.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_9.snap
index 4341c7db9..e1b3f7712 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_9.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__config_recovery_9.snap
@@ -29,7 +29,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 2,
+                                                            end_line: 1,
+                                                            end_column: 3,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
@@ -70,7 +77,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "b",
+                                                    Node {
+                                                        node: "b",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 7,
+                                                        end_line: 1,
+                                                        end_column: 8,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_recovery_4.snap
index 7d02a1e8e..ccc877766 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_recovery_4.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 83
 expression: "crate::tests::parsing_expr_string(r#\"if True else\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "if",
+                Node {
+                    node: "if",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 2,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_1.snap
index fc49ee799..549e9165e 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 175
 expression: "crate::tests::parsing_module_string(r#\"if True: a = 1 else if b = 2\"#)"
 ---
 Module {
@@ -20,7 +19,14 @@ Module {
                                         Node {
                                             node: Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 9,
+                                                        end_line: 1,
+                                                        end_column: 10,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Store,
@@ -78,7 +84,14 @@ Module {
                                         Node {
                                             node: Identifier {
                                                 names: [
-                                                    "b",
+                                                    Node {
+                                                        node: "b",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 23,
+                                                        end_line: 1,
+                                                        end_column: 24,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_2.snap
index b27b13695..110546376 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_2.snap
@@ -19,7 +19,14 @@ Module {
                                         Node {
                                             node: Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 5,
+                                                        end_line: 1,
+                                                        end_column: 6,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_3.snap
index ddd46d631..ea8e97f43 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_3.snap
@@ -19,7 +19,14 @@ Module {
                                         Node {
                                             node: Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 9,
+                                                        end_line: 1,
+                                                        end_column: 10,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_4.snap
index 8eae18937..31cf280e0 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 178
 expression: "crate::tests::parsing_module_string(r#\"if True: else: b = 2\"#)"
 ---
 Module {
@@ -20,7 +19,14 @@ Module {
                                         Node {
                                             node: Identifier {
                                                 names: [
-                                                    "else",
+                                                    Node {
+                                                        node: "else",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 9,
+                                                        end_line: 1,
+                                                        end_column: 13,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Store,
@@ -62,7 +68,14 @@ Module {
                                             node: Named(
                                                 Identifier {
                                                     names: [
-                                                        "b",
+                                                        Node {
+                                                            node: "b",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 15,
+                                                            end_line: 1,
+                                                            end_column: 16,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_6.snap
index 458592bf4..6434d7d08 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__if_stmt_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 180
 expression: "crate::tests::parsing_module_string(r#\"if else\"#)"
 ---
 Module {
@@ -41,7 +40,14 @@ Module {
                         node: Identifier(
                             Identifier {
                                 names: [
-                                    "else",
+                                    Node {
+                                        node: "else",
+                                        filename: "",
+                                        line: 1,
+                                        column: 3,
+                                        end_line: 1,
+                                        end_column: 7,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_1.snap
index 1c3dc5d81..d766db909 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 152
 expression: "crate::tests::parsing_expr_string(r#\"'${a +}'\"#)"
 ---
 Node {
@@ -19,7 +18,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 3,
+                                                            end_line: 1,
+                                                            end_column: 4,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_2.snap
index 6f2ec641f..52cb08957 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 153
 expression: "crate::tests::parsing_expr_string(r#\"'${(a +}'\"#)"
 ---
 Node {
@@ -22,7 +21,14 @@ Node {
                                                         node: Identifier(
                                                             Identifier {
                                                                 names: [
-                                                                    "a",
+                                                                    Node {
+                                                                        node: "a",
+                                                                        filename: "",
+                                                                        line: 1,
+                                                                        column: 4,
+                                                                        end_line: 1,
+                                                                        end_column: 5,
+                                                                    },
                                                                 ],
                                                                 pkgpath: "",
                                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_5.snap
index 3fc7db29c..d4cd39402 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 155
 expression: "crate::tests::parsing_expr_string(r#\"'${a + 1 = }'\"#)"
 ---
 Node {
@@ -19,7 +18,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 3,
+                                                            end_line: 1,
+                                                            end_column: 4,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_6.snap
index d5e6c8b4d..466ccce34 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__joined_string_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 156
 expression: "crate::tests::parsing_expr_string(r#\"'${a: json}'\"#)"
 ---
 Node {
@@ -16,7 +15,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 3,
+                                                end_line: 1,
+                                                end_column: 4,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_10.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_10.snap
index 4bc767631..ce623a7e4 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_10.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_10.snap
@@ -26,7 +26,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 3,
+                                                end_line: 1,
+                                                end_column: 4,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -53,7 +60,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 7,
+                                                end_line: 1,
+                                                end_column: 8,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_11.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_11.snap
index 48d5ed406..637195280 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_11.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_11.snap
@@ -1,7 +1,6 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 53
-expression: "crate::tests::parsing_expr_string(r#\"[if True: a, b]\"#)"
+expression: "crate::tests::parsing_expr_string(\"[if True: a, b]\")"
 ---
 Node {
     node: List(
@@ -27,7 +26,14 @@ Node {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "a",
+                                                Node {
+                                                    node: "a",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 10,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
@@ -53,7 +59,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 13,
+                                    end_line: 1,
+                                    end_column: 14,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_12.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_12.snap
index 4a397e4be..b7e8f0546 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_12.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_12.snap
@@ -42,7 +42,14 @@ Node {
                                                 node: Identifier(
                                                     Identifier {
                                                         names: [
-                                                            "a",
+                                                            Node {
+                                                                node: "a",
+                                                                filename: "",
+                                                                line: 1,
+                                                                column: 12,
+                                                                end_line: 1,
+                                                                end_column: 13,
+                                                            },
                                                         ],
                                                         pkgpath: "",
                                                         ctx: Load,
@@ -76,7 +83,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 15,
+                                    end_line: 1,
+                                    end_column: 16,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_9.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_9.snap
index 2b65148ce..1aeb4ed09 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_9.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__list_recovery_9.snap
@@ -13,7 +13,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "a",
+                                            Node {
+                                                node: "a",
+                                                filename: "",
+                                                line: 1,
+                                                column: 2,
+                                                end_line: 1,
+                                                end_column: 3,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
@@ -54,7 +61,14 @@ Node {
                                 node: Identifier(
                                     Identifier {
                                         names: [
-                                            "b",
+                                            Node {
+                                                node: "b",
+                                                filename: "",
+                                                line: 1,
+                                                column: 7,
+                                                end_line: 1,
+                                                end_column: 8,
+                                            },
                                         ],
                                         pkgpath: "",
                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_0.snap
index b8047cb25..658e897e8 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_0.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 3
 expression: "crate::tests::parsing_expr_string(\"(a\")"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 1,
+                                end_line: 1,
+                                end_column: 2,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_1.snap
index 14bc70a3b..285ab845e 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 4
 expression: "crate::tests::parsing_expr_string(\"(a + 1\")"
 ---
 Node {
@@ -13,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 1,
+                                            end_line: 1,
+                                            end_column: 2,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_4.snap
index 477b1e0af..371a9181f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 35
 expression: "crate::tests::parsing_expr_string(r#\"(a\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 1,
+                                end_line: 1,
+                                end_column: 2,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_5.snap
index 3ad71240b..d93c9b71b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__paren_recovery_5.snap
@@ -12,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 1,
+                                            end_line: 1,
+                                            end_column: 2,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_0.snap
index 1b69ce416..5f6e442ad 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_0.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 119
 expression: "crate::tests::parsing_expr_string(r#\"s {\"#)"
 ---
 Node {
@@ -9,7 +8,14 @@ Node {
             name: Node {
                 node: Identifier {
                     names: [
-                        "s",
+                        Node {
+                            node: "s",
+                            filename: "",
+                            line: 1,
+                            column: 0,
+                            end_line: 1,
+                            end_column: 1,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_1.snap
index 9307c0f49..b592bbc4f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 120
 expression: "crate::tests::parsing_expr_string(r#\"s {a=1\"#)"
 ---
 Node {
@@ -9,7 +8,14 @@ Node {
             name: Node {
                 node: Identifier {
                     names: [
-                        "s",
+                        Node {
+                            node: "s",
+                            filename: "",
+                            line: 1,
+                            column: 0,
+                            end_line: 1,
+                            end_column: 1,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
@@ -33,7 +39,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 3,
+                                                            end_line: 1,
+                                                            end_column: 4,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_2.snap
index 542ccc3d8..d601fb18f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_2.snap
@@ -1,14 +1,27 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 121
 expression: "crate::tests::parsing_expr_string(r#\"s.0 {a=1}\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "s",
-                "",
+                Node {
+                    node: "s",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 2,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_3.snap
index 0193a494b..3e5dc5123 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 148
 expression: "crate::tests::parsing_expr_string(r#\"s?.a {a=1}\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "s",
+                            Node {
+                                node: "s",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -25,7 +31,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "a",
+                        Node {
+                            node: "a",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 4,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_4.snap
index 979504c2a..99c0c29b9 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 123
 expression: "crate::tests::parsing_expr_string(r#\"s. {a=1}\"#)"
 ---
 Node {
@@ -9,8 +8,22 @@ Node {
             name: Node {
                 node: Identifier {
                     names: [
-                        "s",
-                        "",
+                        Node {
+                            node: "s",
+                            filename: "",
+                            line: 1,
+                            column: 0,
+                            end_line: 1,
+                            end_column: 1,
+                        },
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 3,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
@@ -34,7 +47,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 4,
+                                                            end_line: 1,
+                                                            end_column: 5,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_5.snap
index fd4f97652..2907944f9 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 124
 expression: "crate::tests::parsing_expr_string(r#\"s( {a=1}\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "s",
+                            Node {
+                                node: "s",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -34,7 +40,14 @@ Node {
                                                 node: Identifier(
                                                     Identifier {
                                                         names: [
-                                                            "a",
+                                                            Node {
+                                                                node: "a",
+                                                                filename: "",
+                                                                line: 1,
+                                                                column: 4,
+                                                                end_line: 1,
+                                                                end_column: 5,
+                                                            },
                                                         ],
                                                         pkgpath: "",
                                                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_6.snap
index b6eaa091b..04fe34bef 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 125
 expression: "crate::tests::parsing_expr_string(r#\"s(] {a=1}\"#)"
 ---
 Node {
@@ -9,7 +8,14 @@ Node {
             name: Node {
                 node: Identifier {
                     names: [
-                        "s",
+                        Node {
+                            node: "s",
+                            filename: "",
+                            line: 1,
+                            column: 0,
+                            end_line: 1,
+                            end_column: 1,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
@@ -33,7 +39,14 @@ Node {
                                             node: Identifier(
                                                 Identifier {
                                                     names: [
-                                                        "a",
+                                                        Node {
+                                                            node: "a",
+                                                            filename: "",
+                                                            line: 1,
+                                                            column: 5,
+                                                            end_line: 1,
+                                                            end_column: 6,
+                                                        },
                                                     ],
                                                     pkgpath: "",
                                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_14.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_14.snap
index 28fe08c4a..5e9ca1059 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_14.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_14.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 202
 expression: "crate::tests::parsing_module_string(r#\"schema A:\na??: int \"#)"
 ---
 Module {
@@ -47,7 +46,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 2,
+                                            column: 0,
+                                            end_line: 2,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -76,7 +82,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "int",
+                                        Node {
+                                            node: "int",
+                                            filename: "",
+                                            line: 2,
+                                            column: 5,
+                                            end_line: 2,
+                                            end_column: 8,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_15.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_15.snap
index dc51a66dc..494159f25 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_15.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_15.snap
@@ -46,7 +46,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 2,
+                                            column: 0,
+                                            end_line: 2,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -110,7 +117,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "int",
+                                        Node {
+                                            node: "int",
+                                            filename: "",
+                                            line: 2,
+                                            column: 4,
+                                            end_line: 2,
+                                            end_column: 7,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_16.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_16.snap
index 2e13a431d..5d13381cc 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_16.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_16.snap
@@ -46,7 +46,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 2,
+                                            column: 0,
+                                            end_line: 2,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -145,7 +152,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "int",
+                                        Node {
+                                            node: "int",
+                                            filename: "",
+                                            line: 2,
+                                            column: 5,
+                                            end_line: 2,
+                                            end_column: 8,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_19.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_19.snap
index 873ddc802..8539f333f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_19.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_19.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 210
 expression: "crate::tests::parsing_module_string(r#\"@deprecated\nschema A:\n    a: \"#)"
 ---
 Module {
@@ -76,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_20.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_20.snap
index 4b486b891..c5fa8df5d 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_20.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_20.snap
@@ -75,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_21.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_21.snap
index 4b486b891..c5fa8df5d 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_21.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_21.snap
@@ -75,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_22.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_22.snap
index 6fedcaa4a..72bbd739f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_22.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_22.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 219
 expression: "crate::tests::parsing_module_string(r#\"@deprecated(a\nschema A:\n    a: \"#)"
 ---
 Module {
@@ -76,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
@@ -93,7 +99,14 @@ Module {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 12,
+                                                        end_line: 1,
+                                                        end_column: 13,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_23.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_23.snap
index 39fdcfb21..1d4f989f6 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_23.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_23.snap
@@ -75,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
@@ -92,7 +99,14 @@ Module {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 12,
+                                                        end_line: 1,
+                                                        end_column: 13,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_24.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_24.snap
index 2dfa47ba4..4a8a5d76c 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_24.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_24.snap
@@ -75,7 +75,14 @@ Module {
                                     node: Identifier(
                                         Identifier {
                                             names: [
-                                                "deprecated",
+                                                Node {
+                                                    node: "deprecated",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 1,
+                                                    end_line: 1,
+                                                    end_column: 11,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_27.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_27.snap
index 886cbd9f0..3d10e178c 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_27.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_27.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 248
 expression: "crate::tests::parsing_module_string(r#\"\nschema A:\n    [.str]: str \"#)"
 ---
 Module {
@@ -48,7 +47,14 @@ Module {
                                                     attr: Node {
                                                         node: Identifier {
                                                             names: [
-                                                                "str",
+                                                                Node {
+                                                                    node: "str",
+                                                                    filename: "",
+                                                                    line: 3,
+                                                                    column: 6,
+                                                                    end_line: 3,
+                                                                    end_column: 9,
+                                                                },
                                                             ],
                                                             pkgpath: "",
                                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_28.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_28.snap
index bc7a184ed..869a6005e 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_28.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_28.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 251
 expression: "crate::tests::parsing_module_string(r#\"\nschema A:\n    [....str]: str \"#)"
 ---
 Module {
@@ -71,7 +70,14 @@ Module {
                                                     attr: Node {
                                                         node: Identifier {
                                                             names: [
-                                                                "str",
+                                                                Node {
+                                                                    node: "str",
+                                                                    filename: "",
+                                                                    line: 3,
+                                                                    column: 9,
+                                                                    end_line: 3,
+                                                                    end_column: 12,
+                                                                },
                                                             ],
                                                             pkgpath: "",
                                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_30.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_30.snap
index 8d2d3c25d..df35ee568 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_30.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_30.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 257
 expression: "crate::tests::parsing_module_string(r#\"\nschema A:\n    .\"#)"
 ---
 Module {
@@ -48,7 +47,14 @@ Module {
                                                     attr: Node {
                                                         node: Identifier {
                                                             names: [
-                                                                "",
+                                                                Node {
+                                                                    node: "",
+                                                                    filename: "",
+                                                                    line: 3,
+                                                                    column: 5,
+                                                                    end_line: 3,
+                                                                    end_column: 5,
+                                                                },
                                                             ],
                                                             pkgpath: "",
                                                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_4.snap
index 1a1d19920..3a247ff45 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 185
 expression: "crate::tests::parsing_module_string(r#\"schema A:B\"#)"
 ---
 Module {
@@ -47,7 +46,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "B",
+                                        Node {
+                                            node: "B",
+                                            filename: "",
+                                            line: 1,
+                                            column: 9,
+                                            end_line: 1,
+                                            end_column: 10,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_5.snap
index 9aba9f49b..3823900f2 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 186
 expression: "crate::tests::parsing_module_string(r#\"schema A(:\"#)"
 ---
 Module {
@@ -25,7 +24,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "",
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 9,
+                                        end_line: 1,
+                                        end_column: 9,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_6.snap
index a66f002e6..e1fe5bd2b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 187
 expression: "crate::tests::parsing_module_string(r#\"schema A():\"#)"
 ---
 Module {
@@ -25,7 +24,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "",
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 9,
+                                        end_line: 1,
+                                        end_column: 9,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_7.snap
index 44cda624b..11b6b5300 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_7.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 188
 expression: "crate::tests::parsing_module_string(r#\"schema A:\na:: int\"#)"
 ---
 Module {
@@ -47,7 +46,14 @@ Module {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "int",
+                                        Node {
+                                            node: "int",
+                                            filename: "",
+                                            line: 2,
+                                            column: 4,
+                                            end_line: 2,
+                                            end_column: 7,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_8.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_8.snap
index cb61c6ea5..0d6b1ff2e 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_8.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__schema_stmt_recovery_8.snap
@@ -45,7 +45,14 @@ Module {
                         Node {
                             node: Identifier {
                                 names: [
-                                    "a",
+                                    Node {
+                                        node: "a",
+                                        filename: "",
+                                        line: 2,
+                                        column: 0,
+                                        end_line: 2,
+                                        end_column: 1,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Store,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_0.snap
index cb4864d88..bbe003c51 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_0.snap
@@ -1,14 +1,27 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 97
 expression: "crate::tests::parsing_expr_string(r#\"a.\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
-                "",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 2,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_1.snap
index 1f7b8919f..97847cd0c 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_1.snap
@@ -1,15 +1,35 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 98
 expression: "crate::tests::parsing_expr_string(r#\"a.b.\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
-                "b",
-                "",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "b",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 3,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 4,
+                    end_line: 1,
+                    end_column: 4,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_10.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_10.snap
index cd8646e56..35c0b2f28 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_10.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_10.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 132
 expression: "crate::tests::parsing_expr_string(r#\"a?.b?\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -25,7 +31,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "b",
+                        Node {
+                            node: "b",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 4,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_11.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_11.snap
index ab5eb759e..615b8a3db 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_11.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_11.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 133
 expression: "crate::tests::parsing_expr_string(r#\"a?.b?.c?\"#)"
 ---
 Node {
@@ -13,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 0,
+                                            end_line: 1,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -28,7 +34,14 @@ Node {
                         attr: Node {
                             node: Identifier {
                                 names: [
-                                    "b",
+                                    Node {
+                                        node: "b",
+                                        filename: "",
+                                        line: 1,
+                                        column: 3,
+                                        end_line: 1,
+                                        end_column: 4,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
@@ -52,7 +65,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "c",
+                        Node {
+                            node: "c",
+                            filename: "",
+                            line: 1,
+                            column: 6,
+                            end_line: 1,
+                            end_column: 7,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_12.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_12.snap
index d7b1323d1..7deefffd2 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_12.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_12.snap
@@ -1,14 +1,27 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 109
 expression: "crate::tests::parsing_expr_string(r#\"a.0\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
-                "",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 2,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_13.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_13.snap
index af9f4e8ca..0f7564c77 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_13.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_13.snap
@@ -1,15 +1,35 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 110
 expression: "crate::tests::parsing_expr_string(r#\"a..0\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
-                "",
-                "",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 2,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 3,
+                    end_line: 1,
+                    end_column: 3,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_14.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_14.snap
index 9a5b4cf15..9a683650f 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_14.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_14.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 111
 expression: "crate::tests::parsing_expr_string(r#\"a...\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_2.snap
index d11e41436..ad5c2dd8d 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_2.snap
@@ -1,16 +1,43 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 99
 expression: "crate::tests::parsing_expr_string(r#\"a.b.c.\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
-                "b",
-                "c",
-                "",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
+                Node {
+                    node: "b",
+                    filename: "",
+                    line: 1,
+                    column: 2,
+                    end_line: 1,
+                    end_column: 3,
+                },
+                Node {
+                    node: "c",
+                    filename: "",
+                    line: 1,
+                    column: 4,
+                    end_line: 1,
+                    end_column: 5,
+                },
+                Node {
+                    node: "",
+                    filename: "",
+                    line: 1,
+                    column: 6,
+                    end_line: 1,
+                    end_column: 6,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_3.snap
index 950ffee84..992848968 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 125
 expression: "crate::tests::parsing_expr_string(r#\"''.\"#)"
 ---
 Node {
@@ -23,7 +22,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "",
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 3,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_4.snap
index 2dba80df1..45ff29d11 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 126
 expression: "crate::tests::parsing_expr_string(r#\"''.lower\"#)"
 ---
 Node {
@@ -23,7 +22,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "lower",
+                        Node {
+                            node: "lower",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 8,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_5.snap
index 66985055c..484388876 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 127
 expression: "crate::tests::parsing_expr_string(r#\"''.lower().\"#)"
 ---
 Node {
@@ -29,7 +28,14 @@ Node {
                                     attr: Node {
                                         node: Identifier {
                                             names: [
-                                                "lower",
+                                                Node {
+                                                    node: "lower",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 3,
+                                                    end_line: 1,
+                                                    end_column: 8,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
@@ -63,7 +69,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "",
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 11,
+                            end_line: 1,
+                            end_column: 11,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_6.snap
index 92f80ac92..675b0e19b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 128
 expression: "crate::tests::parsing_expr_string(r#\"a?.\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -25,7 +31,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "",
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 3,
+                            end_line: 1,
+                            end_column: 3,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_7.snap
index 8d2f9cf8b..20d302127 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_7.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 129
 expression: "crate::tests::parsing_expr_string(r#\"a?.b?.\"#)"
 ---
 Node {
@@ -13,7 +12,14 @@ Node {
                             node: Identifier(
                                 Identifier {
                                     names: [
-                                        "a",
+                                        Node {
+                                            node: "a",
+                                            filename: "",
+                                            line: 1,
+                                            column: 0,
+                                            end_line: 1,
+                                            end_column: 1,
+                                        },
                                     ],
                                     pkgpath: "",
                                     ctx: Load,
@@ -28,7 +34,14 @@ Node {
                         attr: Node {
                             node: Identifier {
                                 names: [
-                                    "b",
+                                    Node {
+                                        node: "b",
+                                        filename: "",
+                                        line: 1,
+                                        column: 3,
+                                        end_line: 1,
+                                        end_column: 4,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
@@ -52,7 +65,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "",
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 6,
+                            end_line: 1,
+                            end_column: 6,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_8.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_8.snap
index 0b72f3c28..202dd5709 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_8.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_8.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 130
 expression: "crate::tests::parsing_expr_string(r#\"a?.b?.c?.\"#)"
 ---
 Node {
@@ -16,7 +15,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 0,
+                                                        end_line: 1,
+                                                        end_column: 1,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
@@ -31,7 +37,14 @@ Node {
                                     attr: Node {
                                         node: Identifier {
                                             names: [
-                                                "b",
+                                                Node {
+                                                    node: "b",
+                                                    filename: "",
+                                                    line: 1,
+                                                    column: 3,
+                                                    end_line: 1,
+                                                    end_column: 4,
+                                                },
                                             ],
                                             pkgpath: "",
                                             ctx: Load,
@@ -55,7 +68,14 @@ Node {
                         attr: Node {
                             node: Identifier {
                                 names: [
-                                    "c",
+                                    Node {
+                                        node: "c",
+                                        filename: "",
+                                        line: 1,
+                                        column: 6,
+                                        end_line: 1,
+                                        end_column: 7,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
@@ -79,7 +99,14 @@ Node {
             attr: Node {
                 node: Identifier {
                     names: [
-                        "",
+                        Node {
+                            node: "",
+                            filename: "",
+                            line: 1,
+                            column: 9,
+                            end_line: 1,
+                            end_column: 9,
+                        },
                     ],
                     pkgpath: "",
                     ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_9.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_9.snap
index 195dc0927..25cc39e66 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_9.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__select_recovery_9.snap
@@ -1,13 +1,19 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 106
 expression: "crate::tests::parsing_expr_string(r#\"a?\"#)"
 ---
 Node {
     node: Identifier(
         Identifier {
             names: [
-                "a",
+                Node {
+                    node: "a",
+                    filename: "",
+                    line: 1,
+                    column: 0,
+                    end_line: 1,
+                    end_column: 1,
+                },
             ],
             pkgpath: "",
             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_0.snap
index d01279057..7acd7bdf8 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_0.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 109
 expression: "crate::tests::parsing_expr_string(r#\"a[b 1]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_1.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_1.snap
index e70e97e1f..6877c8670 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_1.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_1.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 110
 expression: "crate::tests::parsing_expr_string(r#\"a[1,b]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_10.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_10.snap
index 387493556..c0b5ac715 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_10.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_10.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 119
 expression: "crate::tests::parsing_expr_string(r#\"[0]?.[0]\"#)"
 ---
 Node {
@@ -41,7 +40,14 @@ Node {
                         attr: Node {
                             node: Identifier {
                                 names: [
-                                    "",
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 5,
+                                        end_line: 1,
+                                        end_column: 5,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_12.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_12.snap
index c668bfa9f..d68841a4b 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_12.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_12.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 121
 expression: "crate::tests::parsing_expr_string(r#\"[0].?[0]\"#)"
 ---
 Node {
@@ -41,7 +40,14 @@ Node {
                         attr: Node {
                             node: Identifier {
                                 names: [
-                                    "",
+                                    Node {
+                                        node: "",
+                                        filename: "",
+                                        line: 1,
+                                        column: 4,
+                                        end_line: 1,
+                                        end_column: 4,
+                                    },
                                 ],
                                 pkgpath: "",
                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_2.snap
index 9c68da6f3..034165107 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 111
 expression: "crate::tests::parsing_expr_string(r#\"a[b;;b]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
@@ -27,7 +33,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 6,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_3.snap
index 9c5a58260..6e6a2f491 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 112
 expression: "crate::tests::parsing_expr_string(r#\"a[b[b]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_4.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_4.snap
index 413332403..53b3104ed 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_4.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_4.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 113
 expression: "crate::tests::parsing_expr_string(r#\"a[:::]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_5.snap
index 7b1b9eb23..45d2cd7cc 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 114
 expression: "crate::tests::parsing_expr_string(r#\"a[:1:2:]\"#)"
 ---
 Node {
@@ -10,7 +9,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 0,
+                                end_line: 1,
+                                end_column: 1,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_6.snap
index 6f6c74f97..b250a5626 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__subscript_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 115
 expression: "crate::tests::parsing_expr_string(r#\"[][a:b:c:d]\"#)"
 ---
 Node {
@@ -25,7 +24,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "a",
+                                Node {
+                                    node: "a",
+                                    filename: "",
+                                    line: 1,
+                                    column: 3,
+                                    end_line: 1,
+                                    end_column: 4,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
@@ -43,7 +49,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "b",
+                                Node {
+                                    node: "b",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 6,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
@@ -61,7 +74,14 @@ Node {
                     node: Identifier(
                         Identifier {
                             names: [
-                                "c",
+                                Node {
+                                    node: "c",
+                                    filename: "",
+                                    line: 1,
+                                    column: 7,
+                                    end_line: 1,
+                                    end_column: 8,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_2.snap
index bbc096f88..0ecf3bdfe 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 169
 expression: "crate::tests::parsing_module_string(r#\"type pkg_path.\"#)"
 ---
 Module {
@@ -15,8 +14,22 @@ Module {
                     type_name: Node {
                         node: Identifier {
                             names: [
-                                "pkg_path",
-                                "",
+                                Node {
+                                    node: "pkg_path",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 13,
+                                },
+                                Node {
+                                    node: "",
+                                    filename: "",
+                                    line: 1,
+                                    column: 14,
+                                    end_line: 1,
+                                    end_column: 14,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_5.snap
index 4af33f775..c72070ca9 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_5.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 172
 expression: "crate::tests::parsing_module_string(r#\"type pkg_path = \"#)"
 ---
 Module {
@@ -15,7 +14,14 @@ Module {
                     type_name: Node {
                         node: Identifier {
                             names: [
-                                "pkg_path",
+                                Node {
+                                    node: "pkg_path",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 13,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_6.snap
index 1e93cb421..1448272f1 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__type_alias_recovery_6.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 173
 expression: "crate::tests::parsing_module_string(r#\"type pkg_path = 'data'\"#)"
 ---
 Module {
@@ -15,7 +14,14 @@ Module {
                     type_name: Node {
                         node: Identifier {
                             names: [
-                                "pkg_path",
+                                Node {
+                                    node: "pkg_path",
+                                    filename: "",
+                                    line: 1,
+                                    column: 5,
+                                    end_line: 1,
+                                    end_column: 13,
+                                },
                             ],
                             pkgpath: "",
                             ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_0.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_0.snap
index 144ed743f..82b3cdaa4 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_0.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_0.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 55
 expression: "crate::tests::parsing_expr_string(r#\"!a\"#)"
 ---
 Node {
@@ -11,7 +10,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "a",
+                            Node {
+                                node: "a",
+                                filename: "",
+                                line: 1,
+                                column: 1,
+                                end_line: 1,
+                                end_column: 2,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_2.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_2.snap
index 5e246c367..dbe5ca25a 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_2.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_2.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 57
 expression: "crate::tests::parsing_expr_string(r#\"not (!a)\"#)"
 ---
 Node {
@@ -18,7 +17,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 6,
+                                                        end_line: 1,
+                                                        end_column: 7,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_3.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_3.snap
index 8121da9b4..c564377bc 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_3.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_3.snap
@@ -1,6 +1,5 @@
 ---
 source: parser/src/tests/error_recovery.rs
-assertion_line: 58
 expression: "crate::tests::parsing_expr_string(r#\"! (not a)\"#)"
 ---
 Node {
@@ -18,7 +17,14 @@ Node {
                                         node: Identifier(
                                             Identifier {
                                                 names: [
-                                                    "a",
+                                                    Node {
+                                                        node: "a",
+                                                        filename: "",
+                                                        line: 1,
+                                                        column: 7,
+                                                        end_line: 1,
+                                                        end_column: 8,
+                                                    },
                                                 ],
                                                 pkgpath: "",
                                                 ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_5.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_5.snap
index b18119d8e..99c80e731 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_5.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_5.snap
@@ -34,7 +34,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "i",
+                            Node {
+                                node: "i",
+                                filename: "",
+                                line: 1,
+                                column: 2,
+                                end_line: 1,
+                                end_column: 3,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_6.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_6.snap
index 7685fb8e4..3f045df32 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_6.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_6.snap
@@ -34,7 +34,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "i",
+                            Node {
+                                node: "i",
+                                filename: "",
+                                line: 1,
+                                column: 2,
+                                end_line: 1,
+                                end_column: 3,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_7.snap b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_7.snap
index 6eb7e2113..c909a3f43 100644
--- a/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_7.snap
+++ b/kclvm/parser/src/tests/snapshots/kclvm_parser__tests__error_recovery__unary_recovery_7.snap
@@ -34,7 +34,14 @@ Node {
                 node: Identifier(
                     Identifier {
                         names: [
-                            "i",
+                            Node {
+                                node: "i",
+                                filename: "",
+                                line: 1,
+                                column: 2,
+                                end_line: 1,
+                                end_column: 3,
+                            },
                         ],
                         pkgpath: "",
                         ctx: Load,
diff --git a/kclvm/parser/testdata/assert-02.k.json b/kclvm/parser/testdata/assert-02.k.json
index ff5701f2c..bda706403 100644
--- a/kclvm/parser/testdata/assert-02.k.json
+++ b/kclvm/parser/testdata/assert-02.k.json
@@ -1 +1 @@
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diff --git a/kclvm/parser/testdata/assert-03.k.json b/kclvm/parser/testdata/assert-03.k.json
index c002fb290..2b0813456 100644
--- a/kclvm/parser/testdata/assert-03.k.json
+++ b/kclvm/parser/testdata/assert-03.k.json
@@ -1 +1 @@
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diff --git a/kclvm/parser/testdata/assert-if-0.k.json b/kclvm/parser/testdata/assert-if-0.k.json
index a8ce96f5a..30ab48aa0 100644
--- a/kclvm/parser/testdata/assert-if-0.k.json
+++ b/kclvm/parser/testdata/assert-if-0.k.json
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+{"filename":"type-01.k","pkg":"__main__","doc":"","name":"__main__","body":[{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"a","filename":"type-01.k","line":1,"column":5,"end_line":1,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":1,"column":5,"end_line":1,"end_column":6},"type_value":{"node":"any","filename":"type-01.k","line":1,"column":9,"end_line":1,"end_column":12},"ty":{"node":"Any","filename":"type-01.k","line":1,"column":9,"end_line":1,"end_column":12}}},"filename":"type-01.k","line":1,"column":5,"end_line":1,"end_column":12},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"b","filename":"type-01.k","line":3,"column":5,"end_line":3,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":3,"column":5,"end_line":3,"end_column":6},"type_value":{"node":"bool","filename":"type-01.k","line":3,"column":9,"end_line":3,"end_column":13},"ty":{"node":{"Basic":"Bool"},"filename":"type-01.k","line":3,"column":9,"end_line":3,"end_column":13}}},"filename":"type-01.k","line":3,"column":5,"end_line":3,"end_column":13},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"c","filename":"type-01.k","line":4,"column":5,"end_line":4,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":4,"column":5,"end_line":4,"end_column":6},"type_value":{"node":"int","filename":"type-01.k","line":4,"column":9,"end_line":4,"end_column":12},"ty":{"node":{"Basic":"Int"},"filename":"type-01.k","line":4,"column":9,"end_line":4,"end_column":12}}},"filename":"type-01.k","line":4,"column":5,"end_line":4,"end_column":12},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"d","filename":"type-01.k","line":5,"column":5,"end_line":5,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":5,"column":5,"end_line":5,"end_column":6},"type_value":{"node":"float","filename":"type-01.k","line":5,"column":9,"end_line":5,"end_column":14},"ty":{"node":{"Basic":"Float"},"filename":"type-01.k","line":5,"column":9,"end_line":5,"end_column":14}}},"filename":"type-01.k","line":5,"column":5,"end_line":5,"end_column":14},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"e","filename":"type-01.k","line":6,"column":5,"end_line":6,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":6,"column":5,"end_line":6,"end_column":6},"type_value":{"node":"str","filename":"type-01.k","line":6,"column":9,"end_line":6,"end_column":12},"ty":{"node":{"Basic":"Str"},"filename":"type-01.k","line":6,"column":9,"end_line":6,"end_column":12}}},"filename":"type-01.k","line":6,"column":5,"end_line":6,"end_column":12},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"type_list1","filename":"type-01.k","line":8,"column":5,"end_line":8,"end_column":15}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":8,"column":5,"end_line":8,"end_column":15},"type_value":{"node":"[]","filename":"type-01.k","line":8,"column":18,"end_line":8,"end_column":20},"ty":{"node":{"List":{"inner_type":null}},"filename":"type-01.k","line":8,"column":18,"end_line":8,"end_column":20}}},"filename":"type-01.k","line":8,"column":5,"end_line":8,"end_column":20},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"type_list2","filename":"type-01.k","line":9,"column":5,"end_line":9,"end_column":15}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":9,"column":5,"end_line":9,"end_column":15},"type_value":{"node":"[[]]","filename":"type-01.k","line":9,"column":18,"end_line":9,"end_column":22},"ty":{"node":{"List":{"inner_type":{"node":{"List":{"inner_type":null}},"filename":"type-01.k","line":9,"column":19,"end_line":9,"end_column":21}}},"filename":"type-01.k","line":9,"column":18,"end_line":9,"end_column":22}}},"filename":"type-01.k","line":9,"column":5,"end_line":9,"end_column":22},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"type_list3","filename":"type-01.k","line":10,"column":5,"end_line":10,"end_column":15}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":10,"column":5,"end_line":10,"end_column":15},"type_value":{"node":"[int]","filename":"type-01.k","line":10,"column":18,"end_line":10,"end_column":23},"ty":{"node":{"List":{"inner_type":{"node":{"Basic":"Int"},"filename":"type-01.k","line":10,"column":19,"end_line":10,"end_column":22}}},"filename":"type-01.k","line":10,"column":18,"end_line":10,"end_column":23}}},"filename":"type-01.k","line":10,"column":5,"end_line":10,"end_column":23},{"node":{"TypeAlias":{"type_name":{"node":{"names":[{"node":"b","filename":"type-01.k","line":12,"column":5,"end_line":12,"end_column":6}],"pkgpath":"","ctx":"Load"},"filename":"type-01.k","line":12,"column":5,"end_line":12,"end_column":6},"type_value":{"node":"int|str|[]|{:}","filename":"type-01.k","line":12,"column":9,"end_line":12,"end_column":29},"ty":{"node":{"Union":{"type_elements":[{"node":{"Basic":"Int"},"filename":"type-01.k","line":12,"column":9,"end_line":12,"end_column":12},{"node":{"Basic":"Str"},"filename":"type-01.k","line":12,"column":15,"end_line":12,"end_column":18},{"node":{"List":{"inner_type":null}},"filename":"type-01.k","line":12,"column":21,"end_line":12,"end_column":23},{"node":{"Dict":{"key_type":null,"value_type":null}},"filename":"type-01.k","line":12,"column":26,"end_line":12,"end_column":29}]}},"filename":"type-01.k","line":12,"column":9,"end_line":12,"end_column":29}}},"filename":"type-01.k","line":12,"column":5,"end_line":12,"end_column":29}],"comments":[]}
\ No newline at end of file
diff --git a/kclvm/query/src/override.rs b/kclvm/query/src/override.rs
index 8eed0b60d..091258968 100644
--- a/kclvm/query/src/override.rs
+++ b/kclvm/query/src/override.rs
@@ -112,7 +112,10 @@ pub fn apply_override_on_module(
     let field = ss[1..].join(".");
     let value = &o.field_value;
     let key = ast::Identifier {
-        names: field.split('.').map(|s| s.to_string()).collect(),
+        names: field
+            .split('.')
+            .map(|s| ast::Node::dummy_node(s.to_string()))
+            .collect(),
         ctx: ast::ExprContext::Store,
         pkgpath: "".to_string(),
     };
@@ -243,7 +246,7 @@ impl<'ctx> MutSelfMutWalker<'ctx> for OverrideTransformer {
                 unification_stmt.target.node.names
             ),
         };
-        if name != &self.target_id {
+        if name.node != self.target_id {
             return;
         }
         self.override_target_count = 1;
@@ -258,7 +261,7 @@ impl<'ctx> MutSelfMutWalker<'ctx> for OverrideTransformer {
                 if target.node.names.len() != 1 {
                     continue;
                 }
-                if target.node.names[0] != self.target_id {
+                if target.node.names[0].node != self.target_id {
                     continue;
                 }
                 self.override_target_count += 1;
@@ -397,7 +400,10 @@ impl OverrideTransformer {
         } else if let ast::OverrideAction::CreateOrUpdate = self.action {
             if !changed {
                 let key = ast::Identifier {
-                    names: parts.iter().map(|s| s.to_string()).collect(),
+                    names: parts
+                        .iter()
+                        .map(|s| ast::Node::dummy_node(s.to_string()))
+                        .collect(),
                     ctx: ast::ExprContext::Store,
                     pkgpath: "".to_string(),
                 };
diff --git a/kclvm/query/src/tests.rs b/kclvm/query/src/tests.rs
index 6758a23df..9ef9eb224 100644
--- a/kclvm/query/src/tests.rs
+++ b/kclvm/query/src/tests.rs
@@ -108,7 +108,7 @@ appConfiguration = AppConfiguration {
     labels: {
         key: {
             key: "override_value"
-            "str-key" = "override_value"
+            Node { node: "str-key", filename: "", line: 1, column: 1, end_line: 1, end_column: 1 } = "override_value"
         }
     }
     mainContainer: Main {name: "override_name"}
diff --git a/kclvm/sema/src/pre_process/config.rs b/kclvm/sema/src/pre_process/config.rs
index 9f8f9ea95..bff5e6ac9 100644
--- a/kclvm/sema/src/pre_process/config.rs
+++ b/kclvm/sema/src/pre_process/config.rs
@@ -114,7 +114,7 @@ impl ConfigMergeTransformer {
                         ast::Stmt::Unification(unification_stmt)
                             if !unification_stmt.target.node.names.is_empty() =>
                         {
-                            let name = &unification_stmt.target.node.names[0];
+                            let name = &unification_stmt.target.node.names[0].node;
                             match name_declaration_mapping.get_mut(name) {
                                 Some(declarations) => declarations.push((
                                     module.filename.to_string(),
@@ -139,7 +139,7 @@ impl ConfigMergeTransformer {
                             if let ast::Expr::Schema(_) = assign_stmt.value.node {
                                 for target in &assign_stmt.targets {
                                     if target.node.names.len() == 1 {
-                                        let name = &target.node.names[0];
+                                        let name = &target.node.names[0].node;
                                         match name_declaration_mapping.get_mut(name) {
                                             Some(declarations) => {
                                                 // A hidden var is mutable.
diff --git a/kclvm/sema/src/pre_process/identifier.rs b/kclvm/sema/src/pre_process/identifier.rs
index 180627b31..9ac00c454 100644
--- a/kclvm/sema/src/pre_process/identifier.rs
+++ b/kclvm/sema/src/pre_process/identifier.rs
@@ -1,5 +1,6 @@
 use crate::info::is_private_field;
 use indexmap::{IndexMap, IndexSet};
+use kclvm_ast::ast::Node;
 use kclvm_ast::pos::GetPos;
 use kclvm_ast::walker::MutSelfMutWalker;
 use kclvm_ast::{ast, walk_if_mut, walk_list_mut};
@@ -55,7 +56,7 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
         let is_config = matches!(assign_stmt.value.node, ast::Expr::Schema(_));
         for target in &assign_stmt.targets {
             if !target.node.names.is_empty() {
-                let name = &target.node.names[0];
+                let name = &target.node.names[0].node;
                 if (is_private_field(name) || !self.global_names.contains_key(name) || is_config)
                     && self.scope_level == 0
                 {
@@ -70,7 +71,7 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
         if aug_assign_stmt.target.node.names.is_empty() {
             return;
         }
-        let name = &aug_assign_stmt.target.node.names[0];
+        let name = &aug_assign_stmt.target.node.names[0].node;
         if is_private_field(name) || !self.global_names.contains_key(name) || is_config {
             if self.scope_level == 0 {
                 self.global_names
@@ -96,7 +97,8 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
         for gen in &mut list_comp.generators {
             for target in &gen.node.targets {
                 if !target.node.names.is_empty() {
-                    self.local_vars.insert(target.node.names[0].to_string());
+                    self.local_vars
+                        .insert(target.node.names[0].node.to_string());
                 }
             }
         }
@@ -108,7 +110,8 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
         for gen in &dict_comp.generators {
             for target in &gen.node.targets {
                 if !target.node.names.is_empty() {
-                    self.local_vars.insert(target.node.names[0].to_string());
+                    self.local_vars
+                        .insert(target.node.names[0].node.to_string());
                 }
             }
         }
@@ -122,7 +125,8 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
     fn walk_quant_expr(&mut self, quant_expr: &'ctx mut ast::QuantExpr) {
         for target in &quant_expr.variables {
             if !target.node.names.is_empty() {
-                self.local_vars.insert(target.node.names[0].to_string());
+                self.local_vars
+                    .insert(target.node.names[0].node.to_string());
             }
         }
         self.walk_expr(&mut quant_expr.target.node);
@@ -133,7 +137,7 @@ impl<'ctx> MutSelfMutWalker<'ctx> for QualifiedIdentifierTransformer {
     fn walk_identifier(&mut self, identifier: &'ctx mut ast::Identifier) {
         if identifier.names.len() >= 2 {
             // skip global name and generator local variables in list/dict comp and quant expression
-            let name = &identifier.names[0];
+            let name = &identifier.names[0].node;
             if !self.global_names.contains_key(name) && !self.local_vars.contains(name) {
                 if let Some(pkgpath) = self.import_names.get(name) {
                     identifier.pkgpath = pkgpath.clone()
@@ -159,8 +163,8 @@ impl<'ctx> MutSelfMutWalker<'ctx> for RawIdentifierTransformer {
         identifier.names = identifier
             .names
             .iter()
-            .map(|n| remove_raw_ident_prefix(n))
-            .collect::<Vec<String>>();
+            .map(|name| Node::node_with_pos(remove_raw_ident_prefix(&name.node), name.pos()))
+            .collect::<Vec<Node<String>>>();
     }
     fn walk_schema_attr(&mut self, schema_attr: &'ctx mut ast::SchemaAttr) {
         schema_attr.name.node = remove_raw_ident_prefix(&schema_attr.name.node);
diff --git a/kclvm/sema/src/pre_process/tests.rs b/kclvm/sema/src/pre_process/tests.rs
index b03cfc11f..6c23e50ec 100644
--- a/kclvm/sema/src/pre_process/tests.rs
+++ b/kclvm/sema/src/pre_process/tests.rs
@@ -25,13 +25,13 @@ fn test_fix_qualified_identifier() {
 fn test_fix_raw_identifier_prefix() {
     let mut module = parse_file("./src/pre_process/test_data/raw_identifier.k", None).unwrap();
     if let ast::Stmt::Assign(assign_stmt) = &module.body[0].node {
-        assert_eq!(assign_stmt.targets[0].node.names[0], "$schema")
+        assert_eq!(assign_stmt.targets[0].node.names[0].node, "$schema")
     } else {
         panic!("invalid assign statement")
     }
     fix_raw_identifier_prefix(&mut module);
     if let ast::Stmt::Assign(assign_stmt) = &module.body[0].node {
-        assert_eq!(assign_stmt.targets[0].node.names[0], "schema")
+        assert_eq!(assign_stmt.targets[0].node.names[0].node, "schema")
     } else {
         panic!("invalid assign statement")
     }
diff --git a/kclvm/sema/src/resolver/arg.rs b/kclvm/sema/src/resolver/arg.rs
index 862807a7a..423c027f3 100644
--- a/kclvm/sema/src/resolver/arg.rs
+++ b/kclvm/sema/src/resolver/arg.rs
@@ -37,7 +37,7 @@ impl<'ctx> Resolver<'ctx> {
         let mut check_table: IndexSet<String> = IndexSet::default();
         for kw in kwargs {
             if !kw.node.arg.node.names.is_empty() {
-                let arg_name = &kw.node.arg.node.names[0];
+                let arg_name = &kw.node.arg.node.names[0].node;
                 if check_table.contains(arg_name) {
                     self.handler.add_compile_error(
                         &format!("{} has duplicated keyword argument {}", func_name, arg_name),
diff --git a/kclvm/sema/src/resolver/config.rs b/kclvm/sema/src/resolver/config.rs
index c1f900325..902eb4a47 100644
--- a/kclvm/sema/src/resolver/config.rs
+++ b/kclvm/sema/src/resolver/config.rs
@@ -124,12 +124,12 @@ impl<'ctx> Resolver<'ctx> {
         match key {
             Some(key) => {
                 let names: Vec<String> = match &key.node {
-                    ast::Expr::Identifier(identifier) => identifier.names.clone(),
+                    ast::Expr::Identifier(identifier) => identifier.get_names(),
                     ast::Expr::Subscript(subscript) => {
                         if let ast::Expr::Identifier(identifier) = &subscript.value.node {
                             if let Some(index) = &subscript.index {
                                 if matches!(index.node, ast::Expr::NumberLit(_)) {
-                                    identifier.names.clone()
+                                    identifier.get_names()
                                 } else {
                                     return SwitchConfigContextState::KeepConfigUnchanged as usize;
                                 }
@@ -267,13 +267,13 @@ impl<'ctx> Resolver<'ctx> {
             if let Some(Some(_)) = self.ctx.config_expr_context.last() {
                 let mut has_index = false;
                 let names: Vec<String> = match &key.node {
-                    ast::Expr::Identifier(identifier) => identifier.names.clone(),
+                    ast::Expr::Identifier(identifier) => identifier.get_names(),
                     ast::Expr::Subscript(subscript) => {
                         if let ast::Expr::Identifier(identifier) = &subscript.value.node {
                             if let Some(index) = &subscript.index {
                                 if matches!(index.node, ast::Expr::NumberLit(_)) {
                                     has_index = true;
-                                    identifier.names.clone()
+                                    identifier.get_names()
                                 } else {
                                     return;
                                 }
@@ -406,7 +406,7 @@ impl<'ctx> Resolver<'ctx> {
                             val_ty = Type::dict_ref(self.str_ty(), val_ty.clone());
                         }
                         let key_ty = if identifier.names.len() == 1 {
-                            let name = &identifier.names[0];
+                            let name = &identifier.names[0].node;
                             let key_ty = if self.ctx.local_vars.contains(name) {
                                 self.expr(key)
                             } else {
diff --git a/kclvm/sema/src/resolver/global.rs b/kclvm/sema/src/resolver/global.rs
index d873e99f8..319270000 100644
--- a/kclvm/sema/src/resolver/global.rs
+++ b/kclvm/sema/src/resolver/global.rs
@@ -220,7 +220,7 @@ impl<'ctx> Resolver<'ctx> {
                     .add_compile_error("missing target in the assign statement", target.get_pos());
                 continue;
             }
-            let name = &target.node.names[0];
+            let name = &target.node.names[0].node;
             let (start, end) = target.get_span_pos();
             if self.contains_object(name) && !is_private_field(name) && unique_check {
                 self.handler.add_error(
@@ -315,7 +315,7 @@ impl<'ctx> Resolver<'ctx> {
         if target.node.names.is_empty() {
             return;
         }
-        let name = &target.node.names[0];
+        let name = &target.node.names[0].node;
         let (start, end) = target.get_span_pos();
         if self.contains_object(name) && !is_private_field(name) && unique_check {
             self.handler.add_error(
@@ -683,7 +683,7 @@ impl<'ctx> Resolver<'ctx> {
         // Mixin types
         let mut mixin_types: Vec<SchemaType> = vec![];
         for mixin in &schema_stmt.mixins {
-            let mixin_names = &mixin.node.names;
+            let mixin_names = &mixin.node.get_names();
             if !mixin_names[mixin_names.len() - 1].ends_with(MIXIN_SUFFIX) {
                 self.handler.add_error(
                     ErrorKind::NameError,
diff --git a/kclvm/sema/src/resolver/node.rs b/kclvm/sema/src/resolver/node.rs
index c6083e8eb..e0657fe21 100644
--- a/kclvm/sema/src/resolver/node.rs
+++ b/kclvm/sema/src/resolver/node.rs
@@ -63,7 +63,8 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
         self.ctx.l_value = true;
         let expected_ty = self.walk_identifier_expr(&unification_stmt.target);
         self.ctx.l_value = false;
-        let obj = self.new_config_expr_context_item(&names[0], expected_ty.clone(), start, end);
+        let obj =
+            self.new_config_expr_context_item(&names[0].node, expected_ty.clone(), start, end);
         let init_stack_depth = self.switch_config_expr_context(Some(obj));
         let ty = self.walk_schema_expr(&unification_stmt.value.node);
         self.clear_config_expr_context(init_stack_depth as usize, false);
@@ -74,7 +75,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
             None,
         );
         if !ty.is_any() && expected_ty.is_any() {
-            self.set_type_to_scope(&names[0], ty, unification_stmt.target.get_pos());
+            self.set_type_to_scope(&names[0].node, ty, unification_stmt.target.get_pos());
         }
         expected_ty
     }
@@ -132,7 +133,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
             if target.node.names.is_empty() {
                 continue;
             }
-            let name = &target.node.names[0];
+            let name = &target.node.names[0].node;
             // Add global names.
             if (is_private_field(name) || is_config || !self.contains_global_name(name))
                 && self.scope_level == 0
@@ -191,7 +192,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
         self.ctx.l_value = false;
         if !aug_assign_stmt.target.node.names.is_empty() {
             let is_config = matches!(aug_assign_stmt.value.node, ast::Expr::Schema(_));
-            let name = &aug_assign_stmt.target.node.names[0];
+            let name = &aug_assign_stmt.target.node.names[0].node;
             // Add global names.
             if is_private_field(name) || is_config || !self.contains_global_name(name) {
                 if self.scope_level == 0 {
@@ -286,7 +287,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
                     );
                 }
                 target_node = Some(target);
-                let name = &target.node.names[0];
+                let name = &target.node.names[0].node;
                 if i == 0 {
                     key_name = Some(name.to_string());
                 } else if i == 1 {
@@ -464,7 +465,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
             );
         }
         for name in &selector_expr.attr.node.names {
-            value_ty = self.load_attr(value_ty.clone(), name, pos.clone());
+            value_ty = self.load_attr(value_ty.clone(), &name.node, pos.clone());
         }
         value_ty
     }
@@ -734,7 +735,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
                 );
             }
             target_node = Some(target);
-            let name = &target.node.names[0];
+            let name = &target.node.names[0].node;
             if i == 0 {
                 key_name = Some(name.to_string());
             } else if i == 1 {
@@ -962,7 +963,7 @@ impl<'ctx> MutSelfTypedResultWalker<'ctx> for Resolver<'ctx> {
 
     fn walk_identifier(&mut self, identifier: &'ctx ast::Identifier) -> Self::Result {
         self.resolve_var(
-            &identifier.names,
+            &identifier.get_names(),
             &identifier.pkgpath,
             self.ctx.start_pos.clone(),
         )
@@ -1091,7 +1092,7 @@ impl<'ctx> Resolver<'ctx> {
         identifier: &'ctx ast::NodeRef<ast::Identifier>,
     ) -> ResolvedResult {
         self.resolve_var(
-            &identifier.node.names,
+            &identifier.node.get_names(),
             &identifier.node.pkgpath,
             identifier.get_pos(),
         )
diff --git a/kclvm/sema/src/resolver/schema.rs b/kclvm/sema/src/resolver/schema.rs
index 26748162b..5f3ebcb7f 100644
--- a/kclvm/sema/src/resolver/schema.rs
+++ b/kclvm/sema/src/resolver/schema.rs
@@ -165,7 +165,7 @@ impl<'ctx> Resolver<'ctx> {
         for decorator in decorators {
             let name = if let ast::Expr::Identifier(identifier) = &decorator.node.func.node {
                 if identifier.names.len() == 1 {
-                    Some(identifier.names[0].clone())
+                    Some(identifier.names[0].node.clone())
                 } else {
                     None
                 }
diff --git a/kclvm/sema/src/resolver/tests.rs b/kclvm/sema/src/resolver/tests.rs
index ea21a9907..64dab670f 100644
--- a/kclvm/sema/src/resolver/tests.rs
+++ b/kclvm/sema/src/resolver/tests.rs
@@ -63,7 +63,7 @@ fn test_pkg_init_in_schema_resolve() {
         if let ast::Stmt::SchemaAttr(attr) = &schema.body[0].node {
             let value = attr.value.as_ref().unwrap();
             if let ast::Expr::Schema(schema_expr) = &value.node {
-                assert_eq!(schema_expr.name.node.names, vec!["Name".to_string()]);
+                assert_eq!(schema_expr.name.node.get_names(), vec!["Name".to_string()]);
             } else {
                 panic!("test failed, expect schema expr, got {:?}", value)
             }
diff --git a/kclvm/sema/src/resolver/ty_alias.rs b/kclvm/sema/src/resolver/ty_alias.rs
index d1a4887e5..04fd50f16 100644
--- a/kclvm/sema/src/resolver/ty_alias.rs
+++ b/kclvm/sema/src/resolver/ty_alias.rs
@@ -1,4 +1,5 @@
 use indexmap::IndexMap;
+use kclvm_ast::ast::Node;
 use kclvm_ast::walker::MutSelfMutWalker;
 use kclvm_ast::{ast, walk_if_mut, walk_list_mut};
 
@@ -98,11 +99,21 @@ impl<'ctx> MutSelfMutWalker<'ctx> for TypeAliasTransformer {
                 // ```
                 if self.pkgpath != &pkgpath[1..] {
                     identifier.pkgpath = pkgpath;
-                    identifier.names = vec![splits[1].to_string(), splits[0].to_string()];
+                    identifier.names[0].node = splits[1].to_string();
+                    identifier.names[1].node = splits[0].to_string();
                 }
             } else {
                 let names = type_alias.split('.').collect::<Vec<&str>>();
-                identifier.names = names.iter().map(|n| n.to_string()).collect();
+                let new_names: Vec<Node<String>> = names
+                    .iter()
+                    .zip(&identifier.names)
+                    .map(|(name, pos_name)| {
+                        let mut new_name = pos_name.clone();
+                        new_name.node = name.to_string();
+                        new_name.clone()
+                    })
+                    .collect();
+                identifier.names = new_names;
             }
         }
     }
diff --git a/kclvm/tools/src/LSP/src/goto_def.rs b/kclvm/tools/src/LSP/src/goto_def.rs
index 804449928..5225c362f 100644
--- a/kclvm/tools/src/LSP/src/goto_def.rs
+++ b/kclvm/tools/src/LSP/src/goto_def.rs
@@ -183,13 +183,13 @@ pub(crate) fn find_def_of_schema_attr(
 pub(crate) fn get_identifier_last_name(id: &Identifier) -> String {
     match id.names.len() {
         0 => "".to_string(),
-        1 => id.names[0].clone(),
+        1 => id.names[0].node.clone(),
         _ => {
-            if id.names.last().unwrap().clone() == *"" {
+            if id.names.last().unwrap().node == *"" {
                 // MissingExpr
-                id.names.get(id.names.len() - 2).unwrap().clone()
+                id.names.get(id.names.len() - 2).unwrap().node.clone()
             } else {
-                id.names.last().unwrap().clone()
+                id.names.last().unwrap().node.clone()
             }
         }
     }
diff --git a/kclvm/tools/src/LSP/src/util.rs b/kclvm/tools/src/LSP/src/util.rs
index 8769eec42..805538fe6 100644
--- a/kclvm/tools/src/LSP/src/util.rs
+++ b/kclvm/tools/src/LSP/src/util.rs
@@ -2,7 +2,7 @@ use std::path::PathBuf;
 use std::{fs, sync::Arc};
 
 use indexmap::IndexSet;
-use kclvm_ast::ast::{ConfigEntry, Expr, Identifier, Node, NodeRef, Program, Stmt, Type};
+use kclvm_ast::ast::{ConfigEntry, Expr, Identifier, Node, NodeRef, PosTuple, Program, Stmt, Type};
 use kclvm_ast::pos::ContainsPos;
 use kclvm_config::modfile::KCL_FILE_EXTENSION;
 use kclvm_driver::kpm_metadata::fetch_metadata;
@@ -162,6 +162,19 @@ macro_rules! walk_list_if_contains {
     };
 }
 
+fn transfer_ident_names(names: Vec<String>, pos: &PosTuple) -> Vec<Node<String>> {
+    let mut new_names = vec![];
+    let mut col = pos.2;
+    for name in &names {
+        let mut name_pos = pos.clone();
+        name_pos.2 = col;
+        name_pos.4 = col + name.len() as u64;
+        new_names.push(Node::node_with_pos(name.clone(), name_pos));
+        col = col + name.len() as u64 + ".".len() as u64;
+    }
+    new_names
+}
+
 /// Recursively finds the inner most expr and its schema_def expr if in a schema expr(e.g., schema_attr and schema_expr)
 /// in a stmt according to the position.
 pub(crate) fn inner_most_expr_in_stmt(
@@ -176,7 +189,16 @@ pub(crate) fn inner_most_expr_in_stmt(
                 return (
                     Some(Node::node_with_pos(
                         Expr::Identifier(Identifier {
-                            names: vec![ty.node.clone()],
+                            names: transfer_ident_names(
+                                vec![ty.node.clone()],
+                                &(
+                                    ty.filename.clone(),
+                                    ty.line,
+                                    ty.column,
+                                    ty.end_line,
+                                    ty.end_column,
+                                ),
+                            ),
                             pkgpath: "".to_string(),
                             ctx: kclvm_ast::ast::ExprContext::Load,
                         }),
@@ -257,7 +279,16 @@ pub(crate) fn inner_most_expr_in_stmt(
             walk_if_contains!(
                 Node::node_with_pos(
                     Expr::Identifier(Identifier {
-                        names: vec![schema_stmt.name.node.clone()],
+                        names: transfer_ident_names(
+                            vec![schema_stmt.name.node.clone()],
+                            &(
+                                schema_stmt.name.filename.clone(),
+                                schema_stmt.name.line,
+                                schema_stmt.name.column,
+                                schema_stmt.name.end_line,
+                                schema_stmt.name.end_column,
+                            ),
+                        ),
                         pkgpath: "".to_string(),
                         ctx: kclvm_ast::ast::ExprContext::Load,
                     }),
@@ -522,7 +553,16 @@ fn inner_most_expr_in_config_entry(
 fn build_identifier_from_string(s: &NodeRef<String>) -> Node<Expr> {
     Node::node_with_pos(
         Expr::Identifier(Identifier {
-            names: vec![s.node.clone()],
+            names: transfer_ident_names(
+                vec![s.node.clone()],
+                &(
+                    s.filename.clone(),
+                    s.line,
+                    s.column,
+                    s.end_line,
+                    s.end_column,
+                ),
+            ),
             pkgpath: "".to_string(),
             ctx: kclvm_ast::ast::ExprContext::Load,
         }),
diff --git a/kclvm/tools/src/vet/expr_builder.rs b/kclvm/tools/src/vet/expr_builder.rs
index 36b5bb654..fdba17ae8 100644
--- a/kclvm/tools/src/vet/expr_builder.rs
+++ b/kclvm/tools/src/vet/expr_builder.rs
@@ -161,7 +161,7 @@ impl ExprGenerator<serde_yaml::Value> for ExprBuilder {
                 match schema_name {
                     Some(s_name) => {
                         let iden = node_ref!(Identifier {
-                            names: vec![s_name.to_string()],
+                            names: vec![Node::dummy_node(s_name.to_string())],
                             pkgpath: String::new(),
                             ctx: ExprContext::Load
                         });
@@ -289,7 +289,7 @@ impl ExprGenerator<serde_json::Value> for ExprBuilder {
                 match schema_name {
                     Some(s_name) => {
                         let iden = node_ref!(Identifier {
-                            names: vec![s_name.to_string()],
+                            names: vec![Node::dummy_node(s_name.to_string())],
                             pkgpath: String::new(),
                             ctx: ExprContext::Load
                         });
diff --git a/kclvm/tools/src/vet/test_datas/json/complex.k.ast.json b/kclvm/tools/src/vet/test_datas/json/complex.k.ast.json
index 0ee30c15f..15de9eeb2 100644
--- a/kclvm/tools/src/vet/test_datas/json/complex.k.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/complex.k.ast.json
@@ -426,7 +426,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "complex"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "complex"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/list.k.ast.json b/kclvm/tools/src/vet/test_datas/json/list.k.ast.json
index 1cc7c1d70..fe6633124 100644
--- a/kclvm/tools/src/vet/test_datas/json/list.k.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/list.k.ast.json
@@ -158,7 +158,14 @@
                                 "node": {
                                     "ctx": "Load",
                                     "names": [
-                                        "list"
+                                        {
+                                            "column": 1,
+                                            "end_column": 1,
+                                            "end_line": 1,
+                                            "filename": "",
+                                            "line": 1,
+                                            "node": "list"
+                                        }
                                     ],
                                     "pkgpath": ""
                                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/only_with_bool.ast.json b/kclvm/tools/src/vet/test_datas/json/only_with_bool.ast.json
index de8499450..9cccdd6f3 100644
--- a/kclvm/tools/src/vet/test_datas/json/only_with_bool.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/only_with_bool.ast.json
@@ -67,7 +67,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "only_with_bool"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "only_with_bool"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/only_with_float.ast.json b/kclvm/tools/src/vet/test_datas/json/only_with_float.ast.json
index 9726b82d5..df6282316 100644
--- a/kclvm/tools/src/vet/test_datas/json/only_with_float.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/only_with_float.ast.json
@@ -70,7 +70,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "only_with_float"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "only_with_float"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/only_with_null.ast.json b/kclvm/tools/src/vet/test_datas/json/only_with_null.ast.json
index e1f07e137..a06882e3b 100644
--- a/kclvm/tools/src/vet/test_datas/json/only_with_null.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/only_with_null.ast.json
@@ -67,7 +67,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "only_with_null"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "only_with_null"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/simple.k.ast.json b/kclvm/tools/src/vet/test_datas/json/simple.k.ast.json
index 5c2864b12..de6883e4d 100644
--- a/kclvm/tools/src/vet/test_datas/json/simple.k.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/simple.k.ast.json
@@ -148,7 +148,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "simple"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "simple"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/json/test.k.ast.json b/kclvm/tools/src/vet/test_datas/json/test.k.ast.json
index 954c074cc..53c91b362 100644
--- a/kclvm/tools/src/vet/test_datas/json/test.k.ast.json
+++ b/kclvm/tools/src/vet/test_datas/json/test.k.ast.json
@@ -292,7 +292,14 @@
                 "node": {
                     "ctx": "Load",
                     "names": [
-                        "test"
+                        {
+                            "column": 1,
+                            "end_column": 1,
+                            "end_line": 1,
+                            "filename": "",
+                            "line": 1,
+                            "node": "test"
+                        }
                     ],
                     "pkgpath": ""
                 }
diff --git a/kclvm/tools/src/vet/test_datas/yaml/complex.k.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/complex.k.ast.yaml
index 0d7c301a6..ca97569d1 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/complex.k.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/complex.k.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - complex
+      - node: complex
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
diff --git a/kclvm/tools/src/vet/test_datas/yaml/list.k.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/list.k.ast.yaml
index 91d0580bd..86281a922 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/list.k.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/list.k.ast.yaml
@@ -4,7 +4,12 @@ node: !List
       name:
         node:
           names:
-          - list
+          - node: list
+            filename: ''
+            line: 1
+            column: 1
+            end_line: 1
+            end_column: 1
           pkgpath: ''
           ctx: Load
         filename: ''
@@ -115,4 +120,4 @@ filename: ''
 line: 1
 column: 1
 end_line: 1
-end_column: 1
+end_column: 1
\ No newline at end of file
diff --git a/kclvm/tools/src/vet/test_datas/yaml/only_with_bool.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/only_with_bool.ast.yaml
index 642349be9..17c80b115 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/only_with_bool.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/only_with_bool.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - only_with_bool
+      - node: only_with_bool
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
diff --git a/kclvm/tools/src/vet/test_datas/yaml/only_with_float.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/only_with_float.ast.yaml
index a38f830d8..838eae3cf 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/only_with_float.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/only_with_float.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - only_with_float
+      - node: only_with_float
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
@@ -51,4 +56,4 @@ filename: ''
 line: 1
 column: 1
 end_line: 1
-end_column: 1
+end_column: 1
\ No newline at end of file
diff --git a/kclvm/tools/src/vet/test_datas/yaml/only_with_null.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/only_with_null.ast.yaml
index babebbc5a..6264dc88b 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/only_with_null.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/only_with_null.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - only_with_null
+      - node: only_with_null
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
diff --git a/kclvm/tools/src/vet/test_datas/yaml/simple.k.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/simple.k.ast.yaml
index 765e71e61..e484af4ef 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/simple.k.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/simple.k.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - simple
+      - node: simple
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
diff --git a/kclvm/tools/src/vet/test_datas/yaml/test.k.ast.yaml b/kclvm/tools/src/vet/test_datas/yaml/test.k.ast.yaml
index cf7887e1b..49618bd07 100644
--- a/kclvm/tools/src/vet/test_datas/yaml/test.k.ast.yaml
+++ b/kclvm/tools/src/vet/test_datas/yaml/test.k.ast.yaml
@@ -2,7 +2,12 @@ node: !Schema
   name:
     node:
       names:
-      - test
+      - node: test
+        filename: ''
+        line: 1
+        column: 1
+        end_line: 1
+        end_column: 1
       pkgpath: ''
       ctx: Load
     filename: ''
diff --git a/kclvm/tools/src/vet/validator.rs b/kclvm/tools/src/vet/validator.rs
index 568b09a64..668b07ccf 100644
--- a/kclvm/tools/src/vet/validator.rs
+++ b/kclvm/tools/src/vet/validator.rs
@@ -202,7 +202,7 @@ pub fn validate(val_opt: ValidateOption) -> Result<bool, String> {
 fn build_assign(attr_name: &str, node: NodeRef<Expr>) -> NodeRef<Stmt> {
     node_ref!(Stmt::Assign(AssignStmt {
         targets: vec![node_ref!(Identifier {
-            names: vec![attr_name.to_string()],
+            names: vec![Node::dummy_node(attr_name.to_string())],
             pkgpath: String::new(),
             ctx: ExprContext::Store,
         })],