42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import t
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import stdio
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import testcheck
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# ============================================================
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# Extern2Test - ExternalDecl/StateDecl 重定义错误最小化复现
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#
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# 在 TransPyV Test 的 deco_test.py 中，这三个声明在生成的 .ll 中
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# 被声明两次（line 56-60 和 62-66），导致 llc 报错：
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# llc.exe: error: invalid redefinition of function 'ExternalDecl'
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# 本测试只含这三个声明 + main，避免 TransPyV 大量依赖冲击上下文。
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# ============================================================
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# Test 1: t.CExtern | t.CExport - 外部声明函数（pass 体）
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# 声明一个外部函数，翻译器应生成 declare 而非 define
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def ExternalDecl(x: t.CInt) -> t.CInt | t.CExtern | t.CExport: pass
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# Test 2: t.State - 状态声明（等价于 CExtern | CExport）
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def StateDecl(x: t.CInt) -> t.CInt | t.State: pass
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# Test 3: t.State 返回 void
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def StateVoidDecl() -> t.State: pass
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def test_extern_decl():
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"""验证三个 extern 声明只生成一次 declare，不重复"""
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testcheck.section("Extern/State declarations (no duplicate)")
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# 外部声明函数，不调用（应由链接器解析符号）
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testcheck.check(True, "ExternalDecl declared (not called)", "expect declared once")
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testcheck.check(True, "StateDecl declared (not called)", "expect declared once")
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testcheck.check(True, "StateVoidDecl declared (not called)", "expect declared once")
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def main() -> t.CInt:
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testcheck.begin("Extern2Test: minimal repro - extern redefinition")
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test_extern_decl()
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return testcheck.end()
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