binary operator raise exception

autopxd/writer.py

@@ -63,7 +63,21 @@ def parse_enum_value(node):
             assert False, f"Unsuported constant type for enum value: {node}"
 
     elif isinstance(node, c_ast.BinaryOp):
-        value_as_str = f"{node.left.name} {node.op} {node.right.name}"
+        if isinstance(node.left, c_ast.Constant):
+            nodeleft = parse_enum_value(node.left)[0]
+        elif hasattr(node.left, "name"):
+            nodeleft = node.left.name
+        else:
+            assert False, f"Unsuported expression for enum value: {node.left}"
+
+        if isinstance(node.right, c_ast.Constant):
+            noderight = parse_enum_value(node.right)[0]
+        elif hasattr(node.right, "name"):
+            noderight = node.right.name
+        else:
+            assert False, f"Unsuported expression for enum value: {node.right}"
+
+        value_as_str = f"{nodeleft} {node.op} {noderight}"
         value_as_int = None
 
     else:

test/test_files/enum_integer_bases.test

@@ -10,6 +10,7 @@ enum MyEnum {
     C9 = C1 + C2,
     C10,
     C11,
+    C12 = 5 + 6,
 };
 
 float my_array_c1[C1];
@@ -23,6 +24,7 @@ float my_array_c8[C8];
 float my_array_c9[C9];
 float my_array_c10[C10];
 float my_array_c11[C11];
+float my_array_c12[C12];
 ---
 
 cdef extern from "enum_integer_bases.test":
@@ -39,6 +41,7 @@ cdef extern from "enum_integer_bases.test":
         C9
         C10
         C11
+        C12
 
     float my_array_c1[0xabcd]
 
@@ -61,3 +64,5 @@ cdef extern from "enum_integer_bases.test":
     float my_array_c10[C1 + C2 + 1]
 
     float my_array_c11[C1 + C2 + 2]
+
+    float my_array_c12[5 + 6]