Method remove

library/VTableInterpose.cpp:541–603

}

void VMethodInterposeLinkBase::remove()
{
    if (!is_applied())
        return;

    // Remove the link from prev to this
    if (prev)
    {
        if (prev->host == host)
            prev->next = next;
        else
        {
            prev->child_next.erase(this);

            if (next)
                prev->child_next.insert(next);
            else
                prev->child_hosts.insert(host);
        }
    }

    if (next)
    {
        next->set_chain(saved_chain);
        next->prev = prev;

        assert(child_next.empty() && child_hosts.empty());
    }
    else
    {
        MemoryPatcher patcher;

        // Remove from the list in the identity and vtable
        host->set_interpose(vmethod_idx, prev);
        host->set_vmethod_ptr(patcher, vmethod_idx, saved_chain);

        for (auto it = child_next.begin(); it != child_next.end(); ++it)
        {
            auto nlink = *it;
            assert(nlink->saved_chain == interpose_method && nlink->prev == this);
            nlink->set_chain(saved_chain);
            nlink->prev = prev;
            if (prev)
                prev->child_next.insert(nlink);
        }

        for (auto it = child_hosts.begin(); it != child_hosts.end(); ++it)
        {
            auto nhost = *it;
            assert(nhost->get_interpose(vmethod_idx) == this); // acceptable due to assign below
            nhost->set_interpose(vmethod_idx,prev);
            nhost->set_vmethod_ptr(patcher, vmethod_idx, saved_chain);
            if (prev)
                prev->child_hosts.insert(nhost);
        }
    }

    applied = false;