Function get_frameinfo_from_pyframe

imperative/python/src/backtrace.cpp:169–190

}

FrameInfoPtr get_frameinfo_from_pyframe(PyFrameObject* frame) {
    auto* cache = FrameInfoCache::get_instance();
    auto&& [cur_info, key] = FrameInfo::make(frame, cache);
    auto rst = cur_info;
    SmallVector<std::pair<PyFrameObject*, FrameInfoPtr>, 100> frames;
    py::object cur_frame = py::reinterpret_borrow<py::object>((PyObject*)frame);
    while (key == -1) {
        if (((PyFrameObject*)cur_frame.ptr())->f_gen == NULL)
            frames.push_back({(PyFrameObject*)cur_frame.ptr(), cur_info});
        auto prev_frame = py::getattr(py::handle(cur_frame), "f_back");
        if (prev_frame.is_none())
            break;
        auto&& [prev_info, prev_key] =
                FrameInfo::make((PyFrameObject*)prev_frame.ptr(), cache);
        cur_info->prev_frame = prev_info;
        cur_info = prev_info, key = prev_key;
        cur_frame = std::move(prev_frame);
    }
    if (cache != nullptr)
        cache->update_cache(key, frames);
    return rst;
}

bool set_python_backtrace_enabled(bool enabled) {
    std::swap(enable_py_bt, enabled);