snapshot before regression test

TransPyV/Test/NegativeTest/App/defs.py

@@ -0,0 +1,20 @@
+import stdio
+import t, c
+
+
+# ============================================================
+# 负向测试定义模块：定义 SecretClass
+#
+# 此文件定义 SecretClass，但 main.py 不 import 它。
+# 严格模式下 main.py 中的 SecretClass() 构造应编译失败。
+# ============================================================
+
+
+class SecretClass:
+    val: t.CInt
+
+    def __init__(self, v: t.CInt):
+        self.val = v
+
+    def GetVal(self) -> t.CInt:
+        return self.val

TransPyV/Test/NegativeTest/App/main.py

@@ -0,0 +1,21 @@
+import stdio
+import t, c
+# 故意不 import defs.SecretClass — 严格模式下应编译失败
+
+
+# ============================================================
+# 负向测试主入口
+#
+# 此文件故意不 import SecretClass，但尝试使用 SecretClass()。
+# 命名空间隔离严格模式下，SecretClass 不可见，
+# 构造器路径被跳过，生成 call i32 @SecretClass(...)，
+# llc 报错 "use of undefined value '@SecretClass'"。
+#
+# 预期：TransPyV 编译失败（exit code != 0）
+# ============================================================
+def main() -> int:
+    # SecretClass 未导入，严格模式下不可见
+    s: SecretClass = SecretClass(42)
+    v: int = s.GetVal()
+    stdio.printf("negtest: v=%d (should not reach here)\n", v)
+    return 0

TransPyV/Test/NegativeTest/project.vpj

@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "NegativeTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "temp_dir": "./temp",
+    "output_dir": "./output",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32", "-Wl,--allow-multiple-definition"],
+        "output": "neg_app.exe"
+    },
+    "includes": [
+        "../../includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}