diff --git a/includes/ast/exprs.vp b/includes/ast/exprs.vp
index 366fffc..eaac740 100644
--- a/includes/ast/exprs.vp
+++ b/includes/ast/exprs.vp
@@ -53,6 +53,34 @@ class Name(ExprNode):
         return pos
 
 
+def name_get_id(node: Name | t.CPtr) -> str:
+    """获取 Name.id 字段（跨模块访问器，stub 字段访问陷阱防护）"""
+    if node is None:
+        return None
+    return node.id
+
+
+def constant_get_str_val(node: Constant | t.CPtr) -> str:
+    """获取 Constant.str_val 字段（跨模块访问器）"""
+    if node is None:
+        return None
+    return node.str_val
+
+
+def binop_get_left(node: BinOp | t.CPtr) -> AST | t.CPtr:
+    """获取 BinOp.left 字段（跨模块访问器）"""
+    if node is None:
+        return None
+    return node.left
+
+
+def binop_get_right(node: BinOp | t.CPtr) -> AST | t.CPtr:
+    """获取 BinOp.right 字段（跨模块访问器）"""
+    if node is None:
+        return None
+    return node.right
+
+
 # ============================================================
 # Constant nodes (subtype marked by const_kind)
 # ============================================================
@@ -943,6 +971,27 @@ class Attribute(ExprNode):
         return pos
 
 
+# ============================================================
+# 字段访问器（跨模块 stub 字段访问陷阱防护）
+#
+# 其他模块（如 TypeGenCType）直接访问 ast.Attribute 的字段时，
+# TPC 可能按 stub 类型生成错误 GEP（读垃圾地址 → 0xC0000005 崩溃）。
+# 本模块是完整类型，字段偏移正确；跨模块调用方用这些访问器。
+# ============================================================
+def attribute_get_value(node: Attribute | t.CPtr) -> AST | t.CPtr:
+    """获取 Attribute.value 字段（跨模块访问器）"""
+    if node is None:
+        return None
+    return node.value
+
+
+def attribute_get_attr(node: Attribute | t.CPtr) -> str:
+    """获取 Attribute.attr 字段（跨模块访问器）"""
+    if node is None:
+        return None
+    return node.attr
+
+
 # ============================================================
 # Subscript Node
 # ============================================================