Function _run_clang_query

ci/tools/check_noexcept.py:246–289

Run clang-query and return filtered missing-FL_NOEXCEPT hits.

(
    clang_query: list[str], tu: str, file_regex: str
)

def _run_clang_query(
    clang_query: list[str], tu: str, file_regex: str
) -> list[NoexceptHit]:
    """Run clang-query and return filtered missing-FL_NOEXCEPT hits."""
    result = subprocess.run(
        [*clang_query, tu, "--", *_COMPILER_ARGS],
        input=build_query(file_regex),
        capture_output=True,
        text=True,
        cwd=str(PROJECT_ROOT),
        timeout=300,
    )
    output = result.stdout + result.stderr
    if result.returncode != 0:
        raise NoexceptCheckError(output.strip() or "clang-query failed")
    if (
        "Error parsing argument" in output
        or "Error parsing matcher" in output
        or "Matcher not found" in output
    ):
        raise NoexceptCheckError(output.strip())

    hits: list[NoexceptHit] = []
    seen: set[tuple[str, int]] = set()
    for match in _MATCH_OUTPUT_RE.finditer(output):
        filepath = match.group(1).replace("\\", "/")
        line_num = int(match.group(2))
        key = (filepath, line_num)
        if key in seen:
            continue
        seen.add(key)

        line_text, signature = _read_source_signature(filepath, line_num)
        if _signature_is_exempt(signature):
            continue
        hits.append(
            NoexceptHit(
                path=filepath,
                line=line_num,
                line_text=line_text,
                signature=signature,
            )
        )
    return hits


def find_missing_noexcept(scope: str = "all") -> list[NoexceptHit]: