diff --git a/src/main/java/org/jcnc/snow/compiler/ir/builder/IRProgramBuilder.java b/src/main/java/org/jcnc/snow/compiler/ir/builder/IRProgramBuilder.java
index a1168ec..5513fdc 100644
--- a/src/main/java/org/jcnc/snow/compiler/ir/builder/IRProgramBuilder.java
+++ b/src/main/java/org/jcnc/snow/compiler/ir/builder/IRProgramBuilder.java
@@ -76,6 +76,14 @@ public final class IRProgramBuilder {
      * @return 生成的 FunctionNode，用于后续 IRFunction 构建
      */
     private FunctionNode wrapTopLevel(StatementNode stmt) {
-        return new FunctionNode("_start", null, String.valueOf(List.of()), List.of(stmt));
+        return new FunctionNode(
+                "_start",
+                null,
+                String.valueOf(List.of()),
+                List.of(stmt),
+                -1,
+                -1,
+                ""
+        );
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/AssignmentNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/AssignmentNode.java
index 69781b9..eace610 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/AssignmentNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/AssignmentNode.java
@@ -16,8 +16,17 @@ import org.jcnc.snow.compiler.parser.ast.base.StatementNode;
  *
  * @param variable 左值变量名（即赋值目标）
  * @param value    表达式右值（即赋值来源）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record AssignmentNode(String variable, ExpressionNode value) implements StatementNode {
+public record AssignmentNode(
+        String variable,
+        ExpressionNode value,
+        int line,
+        int column,
+        String file
+) implements StatementNode {
 
     /**
      * 返回赋值语句的字符串形式，便于调试与日志输出。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/BinaryExpressionNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/BinaryExpressionNode.java
index 6e49e63..40412de 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/BinaryExpressionNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/BinaryExpressionNode.java
@@ -12,9 +12,18 @@ import org.jcnc.snow.compiler.parser.ast.base.ExpressionNode;
  * @param left     左操作数（子表达式）
  * @param operator 运算符字符串（如 "+", "-", "*", "/" 等）
  * @param right    右操作数（子表达式）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record BinaryExpressionNode(ExpressionNode left, String operator,
-                                   ExpressionNode right) implements ExpressionNode {
+public record BinaryExpressionNode(
+        ExpressionNode left,
+        String operator,
+        ExpressionNode right,
+        int line,
+        int column,
+        String file
+) implements ExpressionNode {
 
     /**
      * 返回该二元运算表达式的字符串表示形式。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/CallExpressionNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/CallExpressionNode.java
index ac36871..22f47bc 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/CallExpressionNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/CallExpressionNode.java
@@ -14,6 +14,7 @@ import java.util.List;
  * @param arguments 参数表达式列表，表示函数调用中传递给函数的实际参数。参数的顺序与调用顺序一致。
  * @param line      当前表达式所在的行号，方便调试和错误定位。
  * @param column    当前表达式所在的列号，用于精确定位错误位置。
+ * @param file      当前表达式所在的文件，用于错误定位。
  */
 public record CallExpressionNode(
         ExpressionNode callee,           // 被调用的表达式节点，表示函数或方法名
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/DeclarationNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/DeclarationNode.java
index 1819d1f..9e1edf5 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/DeclarationNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/DeclarationNode.java
@@ -23,6 +23,15 @@ public class DeclarationNode implements StatementNode {
     /** 可选的初始化表达式 */
     private final Optional<ExpressionNode> initializer;
 
+    /** 当前节点所在的行号 **/
+    private final int line;
+
+    /** 当前节点所在的列号 **/
+    private final int column;
+
+    /** 当前节点所在的文件 **/
+    private final String file;
+
     /**
      * 构造一个 {@code DeclarationNode} 实例。
      *
@@ -30,10 +39,13 @@ public class DeclarationNode implements StatementNode {
      * @param type        变量类型字符串（如 "int"、"string"）
      * @param initializer 可选初始化表达式，若为 {@code null} 表示未初始化
      */
-    public DeclarationNode(String name, String type, ExpressionNode initializer) {
+    public DeclarationNode(String name, String type, ExpressionNode initializer, int line, int column, String file) {
         this.name = name;
         this.type = type;
         this.initializer = Optional.ofNullable(initializer);
+        this.line = line;
+        this.column = column;
+        this.file = file;
     }
 
     /**
@@ -62,4 +74,29 @@ public class DeclarationNode implements StatementNode {
     public Optional<ExpressionNode> getInitializer() {
         return initializer;
     }
+
+    /**
+     * 获取当前表达式所在的行号。
+     *
+     * @return 当前表达式的行号。
+     */
+    public int line() {
+        return line;
+    }
+
+    /**
+     * 获取当前表达式所在的列号。
+     *
+     * @return 当前表达式的列号。
+     */
+    public int column() {
+        return column;
+    }
+
+    /**
+     * 获取当前表达式所在的文件名。
+     *
+     * @return 当前表达式所在的文件名。
+     */
+    public String file()   { return file;   }
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/ExpressionStatementNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/ExpressionStatementNode.java
index cf62fb1..1a2f7a5 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/ExpressionStatementNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/ExpressionStatementNode.java
@@ -11,6 +11,14 @@ import org.jcnc.snow.compiler.parser.ast.base.StatementNode;
  * </p>
  *
  * @param expression 表达式主体，通常为函数调用、赋值、方法链式调用等可求值表达式。
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record ExpressionStatementNode(ExpressionNode expression) implements StatementNode {
+public record ExpressionStatementNode(
+        ExpressionNode expression,
+        int line,
+        int column,
+        String file
+) implements StatementNode {
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/FunctionNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/FunctionNode.java
index 7ab55dd..29ab884 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/FunctionNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/FunctionNode.java
@@ -17,7 +17,17 @@ import java.util.List;
  * @param parameters 参数列表，每项为 {@link ParameterNode} 表示一个形参定义
  * @param returnType 函数的返回类型（如 "int"、"void" 等）
  * @param body       函数体语句块，由一组 {@link StatementNode} 构成
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record FunctionNode(String name, List<ParameterNode> parameters, String returnType,
-                           List<StatementNode> body) implements Node {
+public record FunctionNode(
+        String name,
+        List<ParameterNode> parameters,
+        String returnType,
+        List<StatementNode> body,
+        int line,
+        int column,
+        String file
+) implements Node {
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/IdentifierNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/IdentifierNode.java
index cfce3d4..de0ed17 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/IdentifierNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/IdentifierNode.java
@@ -10,8 +10,16 @@ import org.jcnc.snow.compiler.parser.ast.base.ExpressionNode;
  * </p>
  *
  * @param name 标识符的文本名称（如变量名 "x"，函数名 "foo"）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record IdentifierNode(String name) implements ExpressionNode {
+public record IdentifierNode(
+        String name,
+        int line,
+        int column,
+        String file
+) implements ExpressionNode {
 
     /**
      * 返回标识符节点的字符串形式，通常为其名称本身。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/IfNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/IfNode.java
index 9ac9371..a26c8e2 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/IfNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/IfNode.java
@@ -29,10 +29,16 @@ import java.util.List;
  * @param condition  控制分支执行的条件表达式
  * @param thenBranch 条件为 true 时执行的语句块
  * @param elseBranch 条件为 false 时执行的语句块（可为空）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
 public record IfNode(
         ExpressionNode condition,
         List<StatementNode> thenBranch,
-        List<StatementNode> elseBranch
+        List<StatementNode> elseBranch,
+        int line,
+        int column,
+        String file
 ) implements StatementNode {
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/ImportNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/ImportNode.java
index f551fd9..c6b65e9 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/ImportNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/ImportNode.java
@@ -14,6 +14,14 @@ import org.jcnc.snow.compiler.parser.ast.base.Node;
  * </p>
  *
  * @param moduleName 被导入的模块名称，通常为点分层次结构（如 "core.utils"）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record ImportNode(String moduleName) implements Node {
+public record ImportNode(
+        String moduleName,
+        int line,
+        int column,
+        String file
+) implements Node {
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/LoopNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/LoopNode.java
index 7821ae4..a8ddbe1 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/LoopNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/LoopNode.java
@@ -17,7 +17,17 @@ import java.util.List;
  * @param condition   每次迭代前评估的条件表达式，控制循环是否继续
  * @param update      每轮迭代完成后执行的更新语句
  * @param body        循环体语句列表，表示循环主体执行逻辑
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record LoopNode(StatementNode initializer, ExpressionNode condition, StatementNode update,
-                       List<StatementNode> body) implements StatementNode {
+public record LoopNode(
+        StatementNode initializer,
+        ExpressionNode condition,
+        StatementNode update,
+        List<StatementNode> body,
+        int line,
+        int column,
+        String file
+) implements StatementNode {
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/MemberExpressionNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/MemberExpressionNode.java
index 7b49db3..d0ac38e 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/MemberExpressionNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/MemberExpressionNode.java
@@ -11,8 +11,17 @@ import org.jcnc.snow.compiler.parser.ast.base.ExpressionNode;
  *
  * @param object 左侧对象表达式，表示成员所属的作用域或容器
  * @param member 要访问的成员名称（字段名或方法名）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record MemberExpressionNode(ExpressionNode object, String member) implements ExpressionNode {
+public record MemberExpressionNode(
+        ExpressionNode object,
+        String member,
+        int line,
+        int column,
+        String file
+) implements ExpressionNode {
 
     /**
      * 返回成员访问表达式的字符串形式。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/ModuleNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/ModuleNode.java
index 564402a..05d47de 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/ModuleNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/ModuleNode.java
@@ -13,8 +13,18 @@ import java.util.StringJoiner;
  * @param name      模块名称。
  * @param imports   模块导入列表，每个导入是一个 {@link ImportNode}。
  * @param functions 模块中的函数列表，每个函数是一个 {@link FunctionNode}。
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record ModuleNode(String name, List<ImportNode> imports, List<FunctionNode> functions) implements Node {
+public record ModuleNode(
+        String name,
+        List<ImportNode> imports,
+        List<FunctionNode> functions,
+        int line,
+        int column,
+        String file
+) implements Node {
 
     /**
      * 返回模块节点的字符串表示形式，包含模块名、导入模块列表和函数列表。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/ParameterNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/ParameterNode.java
index 91e93aa..0fbdc18 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/ParameterNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/ParameterNode.java
@@ -11,8 +11,17 @@ import org.jcnc.snow.compiler.parser.ast.base.Node;
  *
  * @param name 参数名称标识符
  * @param type 参数类型字符串（如 "int"、"string"）
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record ParameterNode(String name, String type) implements Node {
+public record ParameterNode(
+        String name,
+        String type,
+        int line,
+        int column,
+        String file
+) implements Node {
 
     /**
      * 返回参数的字符串形式，格式为 {@code name:type}。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/ReturnNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/ReturnNode.java
index 28143dd..0fc2254 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/ReturnNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/ReturnNode.java
@@ -23,13 +23,25 @@ public class ReturnNode implements StatementNode {
     /** 可选的返回值表达式 */
     private final Optional<ExpressionNode> expression;
 
+    /** 当前节点所在的行号 **/
+    private final int line;
+
+    /** 当前节点所在的列号 **/
+    private final int column;
+
+    /** 当前节点所在的文件 **/
+    private final String file;
+
     /**
      * 构造一个 {@code ReturnNode} 实例。
      *
      * @param expression 返回值表达式，如果无返回值则可为 {@code null}
      */
-    public ReturnNode(ExpressionNode expression) {
+    public ReturnNode(ExpressionNode expression, int line, int column, String file) {
         this.expression = Optional.ofNullable(expression);
+        this.line = line;
+        this.column = column;
+        this.file = file;
     }
 
     /**
@@ -40,4 +52,29 @@ public class ReturnNode implements StatementNode {
     public Optional<ExpressionNode> getExpression() {
         return expression;
     }
+
+    /**
+     * 获取当前表达式所在的行号。
+     *
+     * @return 当前表达式的行号。
+     */
+    public int line() {
+        return line;
+    }
+
+    /**
+     * 获取当前表达式所在的列号。
+     *
+     * @return 当前表达式的列号。
+     */
+    public int column() {
+        return column;
+    }
+
+    /**
+     * 获取当前表达式所在的文件名。
+     *
+     * @return 当前表达式所在的文件名。
+     */
+    public String file()   { return file;   }
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/ast/UnaryExpressionNode.java b/src/main/java/org/jcnc/snow/compiler/parser/ast/UnaryExpressionNode.java
index d956fc8..7e38ebc 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/ast/UnaryExpressionNode.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/ast/UnaryExpressionNode.java
@@ -15,9 +15,17 @@ import org.jcnc.snow.compiler.parser.ast.base.ExpressionNode;
  *
  * @param operator 一元运算符（仅 "-" 或 "!"）
  * @param operand  运算对象 / 右操作数
+ * @param line     当前节点所在的行号
+ * @param column   当前节点所在的列号
+ * @param file     当前节点所在的文件
  */
-public record UnaryExpressionNode(String operator,
-                                  ExpressionNode operand) implements ExpressionNode {
+public record UnaryExpressionNode(
+        String operator,
+        ExpressionNode operand,
+        int line,
+        int column,
+        String file
+) implements ExpressionNode {
 
     /**
      * 生成调试友好的字符串表示，例如 {@code "-x"} 或 {@code "!flag"}。
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/expression/BinaryOperatorParselet.java b/src/main/java/org/jcnc/snow/compiler/parser/expression/BinaryOperatorParselet.java
index da86f01..adee8bd 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/expression/BinaryOperatorParselet.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/expression/BinaryOperatorParselet.java
@@ -37,6 +37,11 @@ public record BinaryOperatorParselet(Precedence precedence, boolean leftAssoc) i
      */
     @Override
     public ExpressionNode parse(ParserContext ctx, ExpressionNode left) {
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         Token op = ctx.getTokens().next();
         int prec = precedence.ordinal();
 
@@ -46,7 +51,7 @@ public record BinaryOperatorParselet(Precedence precedence, boolean leftAssoc) i
                 leftAssoc ? Precedence.values()[prec] : Precedence.values()[prec - 1]
         );
 
-        return new BinaryExpressionNode(left, op.getLexeme(), right);
+        return new BinaryExpressionNode(left, op.getLexeme(), right, line, column, file);
     }
 
     /**
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/expression/CallParselet.java b/src/main/java/org/jcnc/snow/compiler/parser/expression/CallParselet.java
index 9499f6d..9f5478a 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/expression/CallParselet.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/expression/CallParselet.java
@@ -26,14 +26,15 @@ public class CallParselet implements InfixParselet {
      */
     @Override
     public ExpressionNode parse(ParserContext ctx, ExpressionNode left) {
+        // 获取函数名 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek(-1).getLine();
+        int column = ctx.getTokens().peek(-1).getCol();
+        String file = ctx.getSourceName();
+
         ctx.getTokens().next(); // 消费 "("
 
         List<ExpressionNode> args = new ArrayList<>();
 
-        // 获取当前 token 的行号和列号
-        int line = ctx.getTokens().peek().getLine();
-        int column = ctx.getTokens().peek().getCol();
-
         // 解析函数调用参数
         if (!ctx.getTokens().peek().getLexeme().equals(")")) {
             do {
@@ -43,8 +44,7 @@ public class CallParselet implements InfixParselet {
 
         ctx.getTokens().expect(")"); // 消费并验证 ")"
 
-        // 创建 CallExpressionNode 并传递位置信息,文件名称
-        String file = ctx.getSourceName();
+        // 创建 CallExpressionNode 并传递位置信息
         return new CallExpressionNode(left, args, line, column, file);
     }
 
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/expression/IdentifierParselet.java b/src/main/java/org/jcnc/snow/compiler/parser/expression/IdentifierParselet.java
index 057c425..7e46337 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/expression/IdentifierParselet.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/expression/IdentifierParselet.java
@@ -24,6 +24,11 @@ public class IdentifierParselet implements PrefixParselet {
      */
     @Override
     public ExpressionNode parse(ParserContext ctx, Token token) {
-        return new IdentifierNode(token.getLexeme());
+        // 获取标识符 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek(-1).getLine();
+        int column = ctx.getTokens().peek(-1).getCol();
+        String file = ctx.getSourceName();
+
+        return new IdentifierNode(token.getLexeme(), line, column, file);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/expression/MemberParselet.java b/src/main/java/org/jcnc/snow/compiler/parser/expression/MemberParselet.java
index b0f1e5f..ed3cd58 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/expression/MemberParselet.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/expression/MemberParselet.java
@@ -28,8 +28,13 @@ public class MemberParselet implements InfixParselet {
         TokenStream ts = ctx.getTokens();
         ts.expect("."); // 消费点号
 
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         String member = ts.expectType(TokenType.IDENTIFIER).getLexeme();
-        return new MemberExpressionNode(left, member);
+        return new MemberExpressionNode(left, member, line, column, file);
     }
 
     /**
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/expression/UnaryOperatorParselet.java b/src/main/java/org/jcnc/snow/compiler/parser/expression/UnaryOperatorParselet.java
index abfa97a..5aedf93 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/expression/UnaryOperatorParselet.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/expression/UnaryOperatorParselet.java
@@ -41,6 +41,11 @@ public class UnaryOperatorParselet implements PrefixParselet {
      */
     @Override
     public ExpressionNode parse(ParserContext ctx, Token token) {
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         /* ------------------------------------------------------------
          * 1. 以 UNARY 优先级递归解析操作数，避免错误结合顺序。
          * ------------------------------------------------------------ */
@@ -50,6 +55,6 @@ public class UnaryOperatorParselet implements PrefixParselet {
         /* ------------------------------------------------------------
          * 2. 封装成 AST 节点并返回。
          * ------------------------------------------------------------ */
-        return new UnaryExpressionNode(token.getLexeme(), operand);
+        return new UnaryExpressionNode(token.getLexeme(), operand, line, column, file);
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/function/FunctionParser.java b/src/main/java/org/jcnc/snow/compiler/parser/function/FunctionParser.java
index af2251e..a7a3449 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/function/FunctionParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/function/FunctionParser.java
@@ -57,6 +57,11 @@ public class FunctionParser implements TopLevelParser {
     public FunctionNode parse(ParserContext ctx) {
         TokenStream ts = ctx.getTokens();
 
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         parseFunctionHeader(ts);
         String functionName = parseFunctionName(ts);
 
@@ -69,7 +74,7 @@ public class FunctionParser implements TopLevelParser {
 
         parseFunctionFooter(ts);
 
-        return new FunctionNode(functionName, parameters, returnType[0], body);
+        return new FunctionNode(functionName, parameters, returnType[0], body, line, column, file);
     }
 
     /**
@@ -92,7 +97,7 @@ public class FunctionParser implements TopLevelParser {
 
         map.put("parameter", new SectionDefinition(
                 (TokenStream stream) -> stream.peek().getLexeme().equals("parameter"),
-                (ParserContext context, TokenStream stream) -> params.addAll(parseParameters(stream))
+                (ParserContext context, TokenStream stream) -> params.addAll(parseParameters(context))
         ));
 
         map.put("return_type", new SectionDefinition(
@@ -154,10 +159,12 @@ public class FunctionParser implements TopLevelParser {
      * </pre>
      * </p>
      *
-     * @param ts 当前使用的 {@link TokenStream}。
+     * @param ctx 当前解析上下文，包含 {@link TokenStream} 和符号表等作用域信息。
      * @return 所有参数节点的列表。
      */
-    private List<ParameterNode> parseParameters(TokenStream ts) {
+    private List<ParameterNode> parseParameters(ParserContext ctx) {
+        TokenStream ts = ctx.getTokens();
+
         ts.expect("parameter");
         ts.expect(":");
         skipComments(ts);
@@ -175,13 +182,19 @@ public class FunctionParser implements TopLevelParser {
             if (lex.equals("return_type") || lex.equals("body") || lex.equals("end")) {
                 break;
             }
+
+            // 获取当前 token 的行号、列号和文件名
+            int line = ctx.getTokens().peek().getLine();
+            int column = ctx.getTokens().peek().getCol();
+            String file = ctx.getSourceName();
+
             ts.expect("declare");
             String pname = ts.expectType(TokenType.IDENTIFIER).getLexeme();
             ts.expect(":");
             String ptype = ts.expectType(TokenType.TYPE).getLexeme();
             skipComments(ts);
             ts.expectType(TokenType.NEWLINE);
-            list.add(new ParameterNode(pname, ptype));
+            list.add(new ParameterNode(pname, ptype, line, column, file));
         }
         return list;
     }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/module/ImportParser.java b/src/main/java/org/jcnc/snow/compiler/parser/module/ImportParser.java
index 38dd788..d5443ac 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/module/ImportParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/module/ImportParser.java
@@ -46,13 +46,18 @@ public class ImportParser {
 
         // 解析一个或多个模块名（标识符），允许使用逗号分隔多个模块
         do {
+            // 获取当前 token 的行号、列号和文件名
+            int line = ctx.getTokens().peek().getLine();
+            int column = ctx.getTokens().peek().getCol();
+            String file = ctx.getSourceName();
+
             // 获取当前标识符类型的词法单元，并提取其原始词素
             String mod = ctx.getTokens()
                     .expectType(TokenType.IDENTIFIER)
                     .getLexeme();
 
             // 创建 ImportNode 节点并加入列表
-            imports.add(new ImportNode(mod));
+            imports.add(new ImportNode(mod, line, column, file));
         } while (ctx.getTokens().match(",")); // 如果匹配到逗号，继续解析下一个模块名
 
         // 最后必须匹配换行符，标志 import 语句的结束
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/module/ModuleParser.java b/src/main/java/org/jcnc/snow/compiler/parser/module/ModuleParser.java
index b696410..ac9e05d 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/module/ModuleParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/module/ModuleParser.java
@@ -40,6 +40,11 @@ public class ModuleParser implements TopLevelParser {
         // 获取当前上下文中提供的词法流
         TokenStream ts = ctx.getTokens();
 
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         // 期望模块声明以关键字 "module:" 开始
         ts.expect("module");
         ts.expect(":");
@@ -90,6 +95,6 @@ public class ModuleParser implements TopLevelParser {
         ts.expect("module");
 
         // 构建并返回完整的模块语法树节点
-        return new ModuleNode(name, imports, functions);
+        return new ModuleNode(name, imports, functions, line, column, file);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/statement/DeclarationStatementParser.java b/src/main/java/org/jcnc/snow/compiler/parser/statement/DeclarationStatementParser.java
index b99d09c..2323ada 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/statement/DeclarationStatementParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/statement/DeclarationStatementParser.java
@@ -43,6 +43,11 @@ public class DeclarationStatementParser implements StatementParser {
      */
     @Override
     public DeclarationNode parse(ParserContext ctx) {
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         // 声明语句必须以 "declare" 开头
         ctx.getTokens().expect("declare");
 
@@ -69,6 +74,6 @@ public class DeclarationStatementParser implements StatementParser {
         ctx.getTokens().expectType(TokenType.NEWLINE);
 
         // 返回构建好的声明语法树节点
-        return new DeclarationNode(name, type, init);
+        return new DeclarationNode(name, type, init, line, column, file);
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/statement/ExpressionStatementParser.java b/src/main/java/org/jcnc/snow/compiler/parser/statement/ExpressionStatementParser.java
index dd9df94..526dbf0 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/statement/ExpressionStatementParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/statement/ExpressionStatementParser.java
@@ -50,6 +50,11 @@ public class ExpressionStatementParser implements StatementParser {
             throw new IllegalStateException("Cannot parse expression starting with keyword: " + ts.peek().getLexeme());
         }
 
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         // 处理赋值语句：格式为 identifier = expression
         if (ts.peek().getType() == TokenType.IDENTIFIER
                 && ts.peek(1).getLexeme().equals("=")) {
@@ -58,13 +63,13 @@ public class ExpressionStatementParser implements StatementParser {
             ts.expect("=");                         // 消耗等号
             ExpressionNode value = new PrattExpressionParser().parse(ctx); // 解析表达式
             ts.expectType(TokenType.NEWLINE);       // 语句必须以换行符结束
-            return new AssignmentNode(varName, value); // 返回赋值节点
+            return new AssignmentNode(varName, value, line, column, file); // 返回赋值节点
         }
 
         // 处理普通表达式语句，如函数调用、字面量、运算表达式等
         ExpressionNode expr = new PrattExpressionParser().parse(ctx);
         ts.expectType(TokenType.NEWLINE);           // 语句必须以换行符结束
-        return new ExpressionStatementNode(expr);   // 返回表达式语句节点
+        return new ExpressionStatementNode(expr, line, column, file);   // 返回表达式语句节点
     }
 
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/statement/IfStatementParser.java b/src/main/java/org/jcnc/snow/compiler/parser/statement/IfStatementParser.java
index f0e2498..eda8bb1 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/statement/IfStatementParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/statement/IfStatementParser.java
@@ -47,6 +47,11 @@ public class IfStatementParser implements StatementParser {
     public IfNode parse(ParserContext ctx) {
         var ts = ctx.getTokens(); // 获取 token 流引用
 
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         // 消耗起始关键字 "if"
         ts.expect("if");
 
@@ -120,6 +125,6 @@ public class IfStatementParser implements StatementParser {
         ts.expectType(TokenType.NEWLINE);
 
         // 构建并返回 IfNode，包含条件、then 分支和 else 分支
-        return new IfNode(condition, thenBranch, elseBranch);
+        return new IfNode(condition, thenBranch, elseBranch, line, column, file);
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/statement/LoopStatementParser.java b/src/main/java/org/jcnc/snow/compiler/parser/statement/LoopStatementParser.java
index 583b5c9..4422636 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/statement/LoopStatementParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/statement/LoopStatementParser.java
@@ -64,6 +64,12 @@ public class LoopStatementParser implements StatementParser {
     public LoopNode parse(ParserContext ctx) {
         TokenStream ts = ctx.getTokens();
 
+        // 获取当前 token 的行号、列号
+        int loop_line = ctx.getTokens().peek().getLine();
+        int loop_column = ctx.getTokens().peek().getCol();
+
+        String file = ctx.getSourceName();
+
         // 匹配 loop: 起始语法
         ParserUtils.matchHeader(ts, "loop");
 
@@ -101,12 +107,16 @@ public class LoopStatementParser implements StatementParser {
         sections.put("update", new FlexibleSectionParser.SectionDefinition(
                 ts1 -> ts1.peek().getLexeme().equals("update"),
                 (ctx1, ts1) -> {
+                    // 获取当前 token 的行号、列号
+                    int line = ctx.getTokens().peek().getLine();
+                    int column = ctx.getTokens().peek().getCol();
+
                     ParserUtils.matchHeader(ts1, "update");
                     String varName = ts1.expectType(TokenType.IDENTIFIER).getLexeme();
                     ts1.expect("=");
                     ExpressionNode expr = new PrattExpressionParser().parse(ctx1);
                     ts1.expectType(TokenType.NEWLINE);
-                    update[0] = new AssignmentNode(varName, expr);
+                    update[0] = new AssignmentNode(varName, expr, line, column, file);
                     ParserUtils.skipNewlines(ts1);
                 }
         ));
@@ -140,6 +150,6 @@ public class LoopStatementParser implements StatementParser {
         ParserUtils.matchFooter(ts, "loop");
 
         // 返回构造完成的 LoopNode
-        return new LoopNode(initializer[0], condition[0], update[0], body);
+        return new LoopNode(initializer[0], condition[0], update[0], body, loop_line, loop_column, file);
     }
 }
diff --git a/src/main/java/org/jcnc/snow/compiler/parser/statement/ReturnStatementParser.java b/src/main/java/org/jcnc/snow/compiler/parser/statement/ReturnStatementParser.java
index 8a6a6a2..080f1e6 100644
--- a/src/main/java/org/jcnc/snow/compiler/parser/statement/ReturnStatementParser.java
+++ b/src/main/java/org/jcnc/snow/compiler/parser/statement/ReturnStatementParser.java
@@ -35,6 +35,11 @@ public class ReturnStatementParser implements StatementParser {
      */
     @Override
     public ReturnNode parse(ParserContext ctx) {
+        // 获取当前 token 的行号、列号和文件名
+        int line = ctx.getTokens().peek().getLine();
+        int column = ctx.getTokens().peek().getCol();
+        String file = ctx.getSourceName();
+
         // 消耗 "return" 关键字
         ctx.getTokens().expect("return");
 
@@ -49,6 +54,6 @@ public class ReturnStatementParser implements StatementParser {
         ctx.getTokens().expectType(TokenType.NEWLINE);
 
         // 构建并返回 ReturnNode（可能为空表达式）
-        return new ReturnNode(expr);
+        return new ReturnNode(expr, line, column, file);
     }
 }