void handle_unregisterX(lua::state& L, uint64_t addr, int lfn)
{
lua_debug_callback_dict* Dx;
lua_debug_callback2* D = NULL;
L.pushlightuserdata(&CONST_lua_cb_list_key);
L.rawget(LUA_REGISTRYINDEX);
if(!L.isnil(-1)) {
Dx = (lua_debug_callback_dict*)L.touserdata(-1);
auto key = std::make_pair(type, addr);
if(Dx->cblist.count(key))
D = Dx->cblist[key];
L.pop(1);
while(D) {
if(D->dead || D->type != type || D->addr != addr || L.topointer(lfn) != D->lua_fn) {
D = D->next;
continue;
}
//Remove this.
auto Dold = D;
D = D->next;
Dold->unregister();
}
} else
L.pop(1);
}
void lua::RegisterProcess(lua::state &st,DFHack::Process *p)
{
st.getglobal("Process");
if(st.is<lua::nil>())
{
st.pop();
st.newtable();
}
st.pushlightuserdata(p);
st.setfield("__pointer");
lua::RegFunctionsLocal(st, lua_process_func);
st.setglobal("Process");
}
void handle_registerX(lua::state& L, uint64_t addr, int lfn)
{
//Put the context in userdata so it can be gc'd when Lua context is terminated.
lua_debug_callback2* D = (lua_debug_callback2*)L.newuserdata(sizeof(lua_debug_callback2));
new(D) lua_debug_callback2;
L.newtable();
L.pushstring("__gc");
L.push_trampoline(&lua_debug_callback2::on_lua_gc, 0);
L.rawset(-3);
L.setmetatable(-2);
L.pushlightuserdata(D);
L.pushvalue(-2);
L.rawset(LUA_REGISTRYINDEX);
L.pop(1); //Pop the copy of object.
D->L = &L.get_master();
D->addr = addr;
D->type = type;
D->dead = false;
D->set_lua_fn(lfn);
D->link_to_list();
CORE().dbg->add_callback(addr, type, *D);
}