40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
import t
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import stdio
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import testcheck
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# ============================================================
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# ClosureCallTest - t.CPtr 函数指针调用最小化复现
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#
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# closure_test.py 中 f: t.CPtr = make_counter() 后调用 f() 报错：
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# Undefined function: 'f'
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# 根因：f 是 t.CPtr(i8*)，line 322 检查 pointee 是 FunctionType 失败
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# ============================================================
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# nonlocal 关键字测试：嵌套函数修改外层局部变量
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def make_counter() -> t.CPtr:
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count: int = 0
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# 内部函数（闭包）捕获 count
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def counter() -> int:
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nonlocal count
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count = count + 1
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return count
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return counter
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def test_closure_call():
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"""验证 t.CPtr 函数指针调用"""
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testcheck.section("Closure call via t.CPtr")
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f: t.CPtr = make_counter()
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v: int = f()
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testcheck.check(v == 1, "f() first call = 1", "expect 1")
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def main() -> t.CInt:
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testcheck.begin("ClosureCallTest: t.CPtr function pointer call")
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test_closure_call()
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return testcheck.end()
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