Method ProcessSubs

src/auto4_lua.cpp:969–1004

	}

	void LuaExportFilter::ProcessSubs(AssFile *subs, wxWindow *export_dialog)
	{
		LuaStackcheck stackcheck(L);

		GetFeatureFunction("run");
		stackcheck.check_stack(1);

		// The entire point of an export filter is to modify the file, but
		// setting undo points makes no sense
		auto subsobj = new LuaAssFile(L, subs, true);
		assert(lua_isuserdata(L, -1));
		stackcheck.check_stack(2);

		// config
		if (has_config && config_dialog) {
			int results_produced = config_dialog->LuaReadBack(L);
			assert(results_produced == 1);
			(void) results_produced;	// avoid warning on release builds
			// TODO, write back stored options here
		} else {
			// no config so put an empty table instead
			lua_newtable(L);
		}
		assert(lua_istable(L, -1));
		stackcheck.check_stack(3);

		try {
			LuaThreadedCall(L, 2, 0, GetName(), export_dialog, false);
			stackcheck.check_stack(0);
			subsobj->ProcessingComplete();
		}
		catch (agi::UserCancelException const&) {
			subsobj->Cancel();
			throw;
		}
	}

	std::unique_ptr<ScriptDialog> LuaExportFilter::GenerateConfigDialog(wxWindow *parent, agi::Context *c)
	{