将 EnumName/value/IsSigned 加入 FIELD_ROUTES，消除所有冗余 hasattr/getattr

lib/core/Translator/ConstEval.py

@@ -112,42 +112,8 @@ class ConstEvalMixin:
         return self._try_eval_const_expr(node, Gen)
 
     def _try_eval_const_expr(self, node, Gen):
-        import ast
-        if isinstance(node, ast.Constant):
-            return node.value
-        elif isinstance(node, ast.BinOp):
-            left = self._try_eval_const_expr(node.left, Gen)
-            right = self._try_eval_const_expr(node.right, Gen)
-            if left is None or right is None:
-                return None
-            if isinstance(node.op, ast.Add):
-                return left + right
-            elif isinstance(node.op, ast.Sub):
-                return left - right
-            elif isinstance(node.op, ast.Mult):
-                return left * right
-            elif isinstance(node.op, ast.LShift):
-                return left << right
-            elif isinstance(node.op, ast.RShift):
-                return left >> right
-            elif isinstance(node.op, ast.BitOr):
-                return left | right
-            elif isinstance(node.op, ast.BitAnd):
-                return left & right
-            elif isinstance(node.op, ast.BitXor):
-                return left ^ right
-        elif isinstance(node, ast.UnaryOp):
-            operand = self._try_eval_const_expr(node.operand, Gen)
-            if operand is None:
-                return None
-            if isinstance(node.op, ast.USub):
-                return -operand
-            elif isinstance(node.op, ast.Invert):
-                return ~operand
-        elif isinstance(node, ast.Name):
-            if node.id in getattr(Gen, '_DefineConstants', {}):
-                return Gen._DefineConstants[node.id]
-        return None
+        from lib.core.ConstEvaluator import ConstEvaluator
+        return ConstEvaluator.eval_with_symtab(node, self.SymbolTable)
 
     def _BuildMultiDimArrayInitConstants(self, value_node, ArrayType, Gen):
         from lib.core.Handles.HandlesAssign import AssignHandle