snapshot before regression test

Test/DecoratorMarkerTest/App/main.py

@@ -0,0 +1,77 @@
+import t
+from stdio import printf
+import testcheck
+
+
+# 装饰器形式：@t.CStruct 等同于 class Point(t.CStruct):
+@t.CStruct
+class Point:
+    x: t.CInt
+    y: t.CInt
+
+
+# 装饰器形式：@t.CEnum 等同于 class Color(t.CEnum):
+@t.CEnum
+class Color:
+    RED = 1
+    GREEN = 2
+    BLUE = 3
+
+
+# 装饰器形式：@t.CUnion 等同于 class Data(t.CUnion):
+@t.CUnion
+class Data:
+    i: t.CInt
+    f: t.CFloat
+
+
+# 装饰器形式：@t.CExport 等同于 def test() -> t.CInt | t.CExport:
+@t.CExport
+def test() -> t.CInt:
+    printf("test_export called\n")
+    return 42
+
+
+# 装饰器形式：@t.CStatic 等同于 def static_func() -> t.CInt | t.CStatic:
+@t.CStatic
+def static_func() -> t.CInt:
+    return 100
+
+
+# 混合形式：装饰器 + 注解
+@t.CStatic
+def mixed_func() -> t.CInt | t.CExport:
+    return 200
+
+
+def main() -> t.CInt:
+    testcheck.begin("DecoratorMarkerTest: 装饰器标记测试")
+
+    p: Point = Point()
+    p.x = 10
+    p.y = 20
+    printf("Point: (%d, %d)\n", p.x, p.y)
+    testcheck.check(p.x == 10 and p.y == 20, "Point (10, 20)", "Point expect (10, 20)")
+
+    c: t.CInt = Color.GREEN
+    printf("Color: %d\n", c)
+    testcheck.check(c == 2, "Color.GREEN == 2", "Color.GREEN expect 2")
+
+    d: Data = Data()
+    d.i = 65
+    printf("Data.i: %d\n", d.i)
+    testcheck.check(d.i == 65, "Data.i == 65", "Data.i expect 65")
+
+    ret: t.CInt = test()
+    printf("test() returned: %d\n", ret)
+    testcheck.check(ret == 42, "test() returned 42", "test() expect 42")
+
+    s: t.CInt = static_func()
+    printf("static_func() returned: %d\n", s)
+    testcheck.check(s == 100, "static_func() returned 100", "static_func() expect 100")
+
+    m: t.CInt = mixed_func()
+    printf("mixed_func() returned: %d\n", m)
+    testcheck.check(m == 200, "mixed_func() returned 200", "mixed_func() expect 200")
+
+    return testcheck.end()