Get rid of invoke_engio

luprex/cpp/core/world-core.cpp

@@ -551,9 +551,6 @@ void World::run_unittests() {
 
 void World::invoke(const Invocation &inv) {
     switch (inv.kind()) {
-    case Invocation::KIND_ENGIO:
-        invoke_engio(inv.actor(), inv.place(), inv.datapack());
-        break;
     case Invocation::KIND_LUA_CALL:
         invoke_lua_call(inv.actor(), inv.place(), inv.datapack());
         break;
@@ -742,50 +739,6 @@ void push_simple_dynamic(lua_State *L, StreamBuffer *sb) {
     }
 }
 
-void World::invoke_engio(int64_t actor_id, int64_t place_id, std::string_view datapack) {
-    assert(stack_is_clear());
-
-    // Use a streambuffer to parse the datapack.
-    StreamBuffer datasb(datapack);
-
-    // Extract the function name from the datapack.
-    eng::string funcname;
-    try {
-        funcname = datasb.read_string_limit(100);
-    } catch (const StreamException &ex) {
-        return;
-    }
-    if (!sv::is_lua_id(funcname)) {
-        return;
-    }
-
-    {
-        lua_State *L = state();
-        LuaVar engio, func;
-        LuaExtStack LS(L, engio, func);
-
-        // Get the closure (engio.funcname).
-        eng::string err = LS.getclass(engio, "engio");
-        if ((!err.empty()) || (!LS.istable(engio))) {
-            return;
-        }
-        LS.rawget(func, engio, funcname);
-        
-        // Spawn a thread, pushing extra arguments from the datapack.
-        int nargs = 0;
-        try {
-            while (!datasb.empty()) {
-                push_simple_dynamic(L, &datasb);
-                nargs++;
-            }
-        } catch (const StreamException &exc) {
-            return;
-        }
-        spawn(LS, actor_id, place_id, func, true, nargs, false);
-    }
-    run_scheduled_threads();
-    assert(stack_is_clear());
-}
 
 void World::invoke_lua_call(int64_t actor_id, int64_t place_id, std::string_view datapack) {
     assert(stack_is_clear());