from stdint import * import t, c from t import CPtr, CInt, CExport import testcheck # ============================================================ # super() 语义专项测试(由 TransPyV.exe 编译) # # 覆盖场景: # 1. super().__init__(args) — 子类构造调父类构造(字段由父类设置) # 2. super().method() 静态绑定父类实现(不触发子类 override / 虚分派) # 3. super() 调未覆盖的父类方法(父类字段区前缀对齐,this 无需调整) # 4. 三层继承链 super().__init__(Leaf → Mid → Grand 逐层传递, # 每个中间类的 super() 沿各自 CurClassName 的 MRO 跳自身找父类) # 5. super().method 沿 MRO 找实际定义类(Mid 未定义 Base → 找到 Grand.Base) # ============================================================ # ========== 单继承:super().__init__ + super().method ========== @t.CVTable class Animal: Tag: CInt def __init__(self, tag: CInt): self.Tag = tag def Speak(self) -> CInt: return 0 def Greet(self) -> CInt: return self.Tag + 1000 @t.CVTable class Dog(Animal): Breed: CInt def __init__(self, tag: CInt, breed: CInt): super().__init__(tag) # 调 Animal.__init__ 设置 Tag self.Breed = breed def Speak(self) -> CInt: return 1 def ParentSpeak(self) -> CInt: return super().Speak() # 静态绑定 Animal.Speak → 0(不走虚分派) def FullGreet(self) -> CInt: # super() 调父类 Greet(Dog 未覆盖),再加自身字段 return super().Greet() + self.Breed # ========== 三层继承链:Grand → Mid → Leaf ========== @t.CVTable class Grand: G: CInt def __init__(self, v: CInt): self.G = v def Base(self) -> CInt: return self.G @t.CVTable class Mid(Grand): M: CInt def __init__(self, v: CInt): super().__init__(v + 1) # 调 Grand.__init__ self.M = v def MidOnly(self) -> CInt: return self.M @t.CVTable class Leaf(Mid): def __init__(self, v: CInt): super().__init__(v + 2) # 调 Mid.__init__(Mid 内部再 super 到 Grand) def GetBase(self) -> CInt: return super().Base() # Mid 未定义 Base → 沿 MRO 找 Grand.Base def CallMidOnly(self) -> CInt: return super().MidOnly() # 调 Mid.MidOnly def main() -> CInt | CExport: testcheck.begin("SuperTest: super() 语义测试") # --- 1. super().__init__ 设置父类字段 --- d: Dog | CPtr = Dog(42, 7) testcheck.check(d.Tag == 42, "super().__init__ 设置父类字段 OK", "super().__init__ FAILED") testcheck.check(d.Breed == 7, "子类字段 OK", "子类字段 FAILED") # --- 2. super().method 静态绑定(不虚分派到子类 override) --- testcheck.check(d.ParentSpeak() == 0, "super().Speak() 静态绑定父类 OK", "super().Speak() FAILED") testcheck.check(d.Speak() == 1, "子类 Speak() override OK", "Speak() FAILED") # --- 3. super() 调未覆盖的父类方法(42+1000+7 = 1049) --- testcheck.check(d.FullGreet() == 1049, "super() 调未覆盖父类方法 OK", "FullGreet() FAILED") # --- 4. 三层继承链 super().__init__(Leaf(10) → Mid(12) → Grand(13)) --- lf: Leaf | CPtr = Leaf(10) testcheck.check(lf.G == 13, "三层 super().__init__ 链 G OK", "三层 G FAILED") testcheck.check(lf.M == 12, "中间类 M OK", "中间类 M FAILED") # --- 5. super().method 沿 MRO 找实际定义类 --- testcheck.check(lf.GetBase() == 13, "super().Base() 沿 MRO OK", "GetBase() FAILED") testcheck.check(lf.CallMidOnly() == 12, "super().MidOnly() OK", "CallMidOnly() FAILED") testcheck.ok("super() 全部测试完成") return testcheck.end()