#!/usr/bin/env python3
"""Check set_table_resize's C89 declaration and preserve resize sizing order."""
import re
import sys
from pathlib import Path

source = Path(sys.argv[1]).read_text()
match = re.search(
    r"static int\nset_table_resize\(PySetObject \*so, Py_ssize_t minused\)\n\{(.*?)\n\}",
    source,
    re.S,
)
assert match, "set_table_resize not found"
body = match.group(1)
assert re.search(r"^\s*size_t newsize;\s*$", body, re.M), (
    "newsize must be declared without initializer in the function declaration block"
)
assert re.search(
    r"assert\(minused >= 0\);\s*/\* Find the smallest table size > minused\. \*/"
    r"\s*/\* XXX speed-up with intrinsics \*/\s*newsize = PySet_MINSIZE;"
    r"\s*while \(newsize <= \(size_t\)minused\)",
    body,
), "newsize initialization and resize loop must remain after the assertion in original order"
print("set_table_resize C89 declaration and sizing order: PASS")