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Viper_RegressionTesting/ClosureCallTest/App/main.vp
T
TermiNexus 3c6fb1d246 chore(test): 初始化回归测试仓(新增 .gitignore,TestsOverview.md 改为 README.md)
把 Test/ 纳入 https://git.gvsds.com/GVSDS/Viper_RegressionTesting 。

1) 新增 .gitignore —— 只保留测试源码,剔除全部构建产物:
   目录   **/output*/(output / output_opt / output_orig / output_verify / output_dbg)、
          **/temp*/(temp / temp_opt)、**/.tpv_build/
   二进制 *.exe *.obj *.o *.out *.a *.lib *.dll
   中间物 *.ll *.vpi *.pyi *.deps.txt *.deps.json *.doc.json *_sha1_map.txt
          _pyi_cache_v1.pkl _pyi_cache_v1.sig.json _shared_sym.json _phase1_manifest.json
   其它   build_all.txt(构建日志)、*.log、__pycache__/、*.bak、IDE 目录
   保留   App/*.vp、project.json / project_opt.json / project.vpj、README.md、两个 .py
   实测 `git add -A --dry-run`:196 个文件,无任何构建产物混入。

2) TestsOverview.md → README.md(作为仓库首页文档)。

3) SequentialRegressionTest.py:7 处 TestsOverview.md 引用同步改为 README.md
   (文档串、OVERVIEW 路径、read_test_order 文档与报错文案、argparse description、
   启动横幅);同时修正入口路径 PROJECTRANS —— 旧值 <root>/Projectrans.py 已不存在,
   改为 <root>/TransPyC/Projectrans.py(与 regression_test.py:45-48 记录一致),
   否则本脚本会以 "can't open file" 全量失败。
   regression_test.py 无需改动:它按目录扫描 project.json 找项目,不引用该文档。
2026-09-29 15:14:59 +08:00

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