port: advance VC6 typeobject frontier and preserve regression coverage

2026-10-26 18:09:33 +00:00
parent 35caf1a558
commit 5ab291a68c
162 changed files with 15675 additions and 85 deletions
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+"""Check only _PyTuple_DebugMallocStats's C89 index and reporting loop."""
+import re
+import sys
+from pathlib import Path
+
+source = Path(sys.argv[1] if len(sys.argv) > 1 else "cpython/Objects/tupleobject.c")
+match = re.search(
+    r"void\n_PyTuple_DebugMallocStats\(FILE \*out\)\n\{(.*?)\n\}",
+    source.read_text(),
+    re.S,
+)
+assert match, "_PyTuple_DebugMallocStats definition missing"
+body = match.group(1)
+assert re.match(
+    r"\s*#if PyTuple_NFREELISTS > 0\s*"
+    r"PyInterpreterState \*interp = _PyInterpreterState_GET\(\);\s*int i;",
+    body,
+), "_PyTuple_DebugMallocStats: i must be declared before the loop for C89"
+expected = """
+#if PyTuple_NFREELISTS > 0
+    PyInterpreterState *interp = _PyInterpreterState_GET();
+    int i;
+    for (i = 0; i < PyTuple_NFREELISTS; i++) {
+        int len = i + 1;
+        char buf[128];
+        PyOS_snprintf(buf, sizeof(buf),
+                      "free %d-sized PyTupleObject", len);
+        _PyDebugAllocatorStats(out, buf, STATE.numfree[i],
+                               _PyObject_VAR_SIZE(&PyTuple_Type, len));
+    }
+#endif
+"""
+assert re.sub(r"\s+", "", body) == re.sub(r"\s+", "", expected), (
+    "_PyTuple_DebugMallocStats: preserve loop assignment, bounds, increment, "
+    "tuple length, buffer, label, freelist count, and allocation size"
+)
+print("_PyTuple_DebugMallocStats C89 index and reporting loop: PASS")