#!/usr/bin/env python3
"""Keep overrides_hash's query after its assertion with C89 locals."""
import re
from pathlib import Path

source = Path("cpython/Objects/typeobject.c").read_text()
match = re.search(r"\nstatic int\noverrides_hash\(PyTypeObject \*type\)\n\{(.*?)\n\}", source, re.S)
assert match, "overrides_hash definition missing"
body = match.group(1)
assert re.match(r"\s*PyObject \*dict = type->tp_dict;\s*int r;\s*assert", body), (
    "overrides_hash: r must be in the opening C89 declaration block"
)
assert len(re.findall(r"\bint\s+r\b", body)) == 1
expected = '''assert(dict != NULL);
    r = PyDict_Contains(dict, &_Py_ID(__eq__));
    if (r == 0) {
        r = PyDict_Contains(dict, &_Py_ID(__hash__));
    }
    return r;'''
assert body[body.index("assert(dict") :].split() == expected.split(), (
    "overrides_hash: preserve assertion, query ordering, conditional and error propagation"
)
print("overrides_hash C89 r, query ordering and result propagation: PASS")