Method operator()

src/auto4_lua.cpp:796–897

	}

	void LuaCommand::operator()(agi::Context *c)
	{
		LuaStackcheck stackcheck(L);
		set_context(L, c);
		stackcheck.check_stack(0);

		GetFeatureFunction("run");
		auto subsobj = new LuaAssFile(L, c->ass.get(), true, true);

		int original_offset = c->ass->Info.size() + c->ass->Styles.size() + 1;
		auto original_sel = selected_rows(c);
		int original_active = 0;
		if (auto active_line = c->selectionController->GetActiveLine())
			original_active = active_line->Row + original_offset;

		push_value(L, original_sel);
		push_value(L, original_active);

		try {
			LuaThreadedCall(L, 3, 2, from_wx(StrDisplay(c)), c->parent, true);
		}
		catch (agi::UserCancelException const&) {
			subsobj->Cancel();
			stackcheck.check_stack(0);
			return;
		}

		auto lines = subsobj->ProcessingComplete(StrDisplay(c));

		AssDialogue *active_line = nullptr;
		int active_idx = original_active;

		// Check for a new active row
		if (lua_isnumber(L, -1)) {
			active_idx = lua_tointeger(L, -1);
			if (active_idx < 1 || active_idx > (int)lines.size()) {
				wxLogError("Active row %d is out of bounds (must be 1-%u)", active_idx, lines.size());
				active_idx = original_active;
			}
		}

		stackcheck.check_stack(2);
		lua_pop(L, 1);

		// top of stack will be selected lines array, if any was returned
		if (lua_istable(L, -1)) {
			std::set<AssDialogue*> sel;
			lua_for_each(L, [&] {
				if (!lua_isnumber(L, -1))
					return;
				int cur = lua_tointeger(L, -1);
				if (cur < 1 || cur > (int)lines.size()) {
					wxLogError("Selected row %d is out of bounds (must be 1-%u)", cur, lines.size());
					throw LuaForEachBreak();
				}

				if (typeid(*lines[cur - 1]) != typeid(AssDialogue)) {
					wxLogError("Selected row %d is not a dialogue line", cur);