进行了优化，减少了上帝结构体的符号表占用

lib/core/LLVMCG/StructGen.py

@@ -205,7 +205,7 @@ class StructGenMixin:
         all_classes = set(self.class_methods.keys()) | set(self.class_members.keys())
         for ClassName in all_classes:
             is_packed = ClassName in self.class_packed
-            if hasattr(self, 'SymbolTable') and self.SymbolTable and ClassName in self.SymbolTable:
+            if hasattr(self, 'SymbolTable') and self.SymbolTable and self.SymbolTable.has(ClassName):
                 Entry = self.SymbolTable[ClassName]
                 if Entry.IsExceptionClass:
                     continue
@@ -302,7 +302,7 @@ class StructGenMixin:
         
         # Step 4: 创建最终的 structs 并设置正确的成员类型
         for ClassName in all_classes:
-            if hasattr(self, 'SymbolTable') and self.SymbolTable and ClassName in self.SymbolTable:
+            if hasattr(self, 'SymbolTable') and self.SymbolTable and self.SymbolTable.has(ClassName):
                 Entry = self.SymbolTable[ClassName]
                 if Entry.IsExceptionClass:
                     continue