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SplitSource.php
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SplitSource.php
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<?php
function disjoint_set_find(&$parents, $x) {
if ($parents[$x] !== $x) {
return $parents[$x] = disjoint_set_find($parents, $parents[$x]);
}
return $x;
}
function disjoint_set_union(&$parents, $x, $y) {
$x = disjoint_set_find($parents, $x);
$y = disjoint_set_find($parents, $y);
if ($x !== $y) {
if (rand(0, 1) == 0) {
$parents[$x] = $y;
} else {
$parents[$y] = $x;
}
}
}
function split_file($file, $chunks, $undo) {
$cpp_name = "$file.cpp";
echo "Processing file $cpp_name".PHP_EOL;
$new_files = array();
foreach (range(0, $chunks - 1) as $n) {
$new_files[] = "$file$n.cpp";
}
$is_generated = (strpos($file, 'td/generate/') === 0);
$cmake_file = $is_generated ? 'td/generate/CMakeLists.txt' : 'CMakeLists.txt';
$cmake = file_get_contents($cmake_file);
$cmake_cpp_name = $cpp_name;
$cmake_new_files = $new_files;
if ($is_generated) {
foreach ($cmake_new_files as &$file_ref) {
$file_ref = str_replace('td/generate/auto/td', '${TD_AUTO_INCLUDE_DIR}', $file_ref);
}
$cmake_cpp_name = str_replace('td/generate/auto/td', '${TD_AUTO_INCLUDE_DIR}', $cmake_cpp_name);
}
if ($undo) {
foreach ($new_files as $file) {
if (file_exists($file)) {
echo "Unlinking ".$file.PHP_EOL;
unlink($file);
}
}
if (strpos($cmake, $cmake_cpp_name) === false) {
$cmake = str_replace(implode(PHP_EOL.' ', $cmake_new_files), $cmake_cpp_name, $cmake);
file_put_contents($cmake_file, $cmake);
}
return;
}
if (strpos($cmake, $cmake_cpp_name) !== false) {
$cmake = str_replace($cmake_cpp_name, implode(PHP_EOL.' ', $cmake_new_files), $cmake);
file_put_contents($cmake_file, $cmake);
}
if (!file_exists($cpp_name)) {
echo "ERROR: skip nonexistent file $cpp_name".PHP_EOL;
return;
}
$lines = file($cpp_name);
$depth = 0;
$target_depth = 1 + $is_generated;
$is_static = false;
$in_define = false;
$in_comment = false;
$current = '';
$common = '';
$functions = array();
$namespace_begin = '';
$namespace_end = '';
foreach ($lines as $line) {
$add_depth = strpos($line, 'namespace ') === 0 ? 1 : (strpos($line, '} // namespace') === 0 ? -1 : 0);
if ($add_depth) {
# namespace begin/end
if ($add_depth > 0) {
$depth += $add_depth;
}
if ($depth <= $target_depth) {
if ($add_depth > 0) {
$namespace_begin .= $line;
} else {
$namespace_end .= $line;
}
}
if ($add_depth < 0) {
$depth += $add_depth;
}
if ($is_static) {
$common .= $current;
} else {
$functions[] = $current;
}
$common .= $line;
$current = '';
$is_static = false;
$in_define = false;
continue;
}
if (strpos($line, '#undef') === 0 && !trim($current)) {
continue;
}
if ($in_comment && strpos($line, '*/') === 0) {
$in_comment = false;
continue;
}
if (strpos($line, '/*') === 0) {
$in_comment = true;
}
if ($in_comment) {
continue;
}
if ($depth !== $target_depth) {
$common .= $line;
continue;
}
if (strpos($line, 'static ') === 0 && $depth === $target_depth) {
$is_static = true;
}
if (!trim($current) && strpos($line, '#define ') === 0) {
$is_static = true;
$in_define = true;
}
$current .= $line;
if ((strpos($line, '}') === 0 || ($in_define && !trim($line)) || preg_match('/^[a-z].*;\s*$/i', $line)) && $depth === $target_depth) {
# block end
if ($is_static) {
$common .= $current;
} else {
$functions[] = $current;
}
$current = '';
$is_static = false;
$in_define = false;
}
}
$current = trim($current);
if (!empty($current)) {
fwrite(STDERR, "ERROR: $current".PHP_EOL);
exit();
}
if (count($functions) < $chunks) {
fwrite(STDERR, "ERROR: file is too small to be split more".PHP_EOL);
return;
}
$deps = array(); // all functions from the same subarray must be in the same file
$parents = array();
foreach ($functions as $i => $f) {
if (preg_match_all('/(?J)create_handler<(?<name>[A-Z][A-Za-z]*)>|'.
'(?<name>[A-Z][A-Za-z]*) (final )?: public (Td::ResultHandler|Request)|'.
'(CREATE_REQUEST|CREATE_NO_ARGS_REQUEST)[(](?<name>[A-Z][A-Za-z]*)|'.
'(?<name>complete_pending_preauthentication_requests)|'.
'(?<name>get_message_history_slice)|'.
'(Up|Down)load(?!ManagerCallback)[a-zA-Z]+C(?<name>allback)|(up|down)load_[a-z_]*_c(?<name>allback)_|'.
'(?<name>lazy_to_json)|'.
'(?<name>LogEvent)[^sA]|'.
'(?<name>parse)[(]|'.
'(?<name>store)[(]/', $f, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
$name = $match['name'];
if ($name === 'parse' || $name === 'store') {
if ($is_generated) {
continue;
}
$name = 'LogEvent';
}
$deps[$name][] = $i;
}
}
$parents[$i] = $i;
}
foreach ($deps as $func_ids) {
foreach ($func_ids as $func_id) {
disjoint_set_union($parents, $func_ids[0], $func_id);
}
}
$sets = array();
$set_sizes = array();
foreach ($functions as $i => $f) {
$parent = disjoint_set_find($parents, $i);
if (!isset($sets[$parent])) {
$sets[$parent] = '';
$set_sizes[$parent] = 0;
}
$sets[$parent] .= $f;
$set_sizes[$parent] += preg_match('/Td::~?Td/', $f) ? 1000000 : strlen($f);
}
arsort($set_sizes);
$files = array_fill(0, $chunks, '');
$file_sizes = array_fill(0, $chunks, 0);
foreach ($set_sizes as $parent => $size) {
$file_id = array_search(min($file_sizes), $file_sizes);
$files[$file_id] .= $sets[$parent];
$file_sizes[$file_id] += $size;
}
foreach ($files as $n => $f) {
$new_content = $common.$namespace_begin.$f.$namespace_end;
$std_methods = array();
preg_match_all('/std::[a-z_0-9]*|td::unique(?!_)/', $new_content, $std_methods);
$std_methods = array_unique($std_methods[0]);
$needed_std_headers = array();
$type_headers = array(
'std::move' => '',
'std::vector' => '',
'std::string' => '',
'std::uint32_t' => '',
'std::int32_t' => '',
'std::int64_t' => '',
'td::unique' => 'algorithm',
'std::count_if' => 'algorithm',
'std::fill' => 'algorithm',
'std::find' => 'algorithm',
'std::is_sorted' => 'algorithm',
'std::lower_bound' => 'algorithm',
'std::max' => 'algorithm',
'std::merge' => 'algorithm',
'std::min' => 'algorithm',
'std::partial_sort' => 'algorithm',
'std::partition' => 'algorithm',
'std::remove' => 'algorithm',
'std::reverse' => 'algorithm',
'std::rotate' => 'algorithm',
'std::sort' => 'algorithm',
'std::stable_sort' => 'algorithm',
'std::upper_bound' => 'algorithm',
'std::abs' => 'cmath',
'std::isfinite' => 'cmath',
'std::function' => 'functional',
'std::greater' => 'functional',
'std::reference_wrapper' => 'functional',
'std::make_move_iterator' => 'iterator',
'std::numeric_limits' => 'limits',
'std::map' => 'map',
'std::multimap' => 'map',
'std::make_shared' => 'memory',
'std::shared_ptr' => 'memory',
'std::multiset' => 'set',
'std::set' => 'set',
'std::get' => 'tuple',
'std::make_tuple' => 'tuple',
'std::tie' => 'tuple',
'std::tuple' => 'tuple',
'std::decay_t' => 'type_traits',
'std::is_same' => 'type_traits',
'std::unordered_map' => 'unordered_map',
'std::unordered_set' => 'unordered_set',
'std::make_pair' => 'utility',
'std::pair' => 'utility',
'std::swap' => 'utility');
foreach ($type_headers as $type => $header) {
if (in_array($type, $std_methods)) {
$std_methods = array_diff($std_methods, array($type));
if ($header && !in_array($header, $needed_std_headers)) {
$needed_std_headers[] = $header;
}
}
}
if (!$std_methods) { // know all needed std headers
$new_content = preg_replace_callback(
'/#include <([a-z_]*)>/',
function ($matches) use ($needed_std_headers) {
if (in_array($matches[1], $needed_std_headers)) {
return $matches[0];
}
return '';
},
$new_content
);
}
if (!preg_match('/Td::~?Td/', $new_content)) { // destructor Td::~Td needs to see definitions of all forward-declared classes
$td_methods = array(
'AccentColorId' => 'AccentColorId',
'account_manager[_(-](?![.]get[(][)])|AccountManager[^;>]' => 'AccountManager',
'animations_manager[_(-](?![.]get[(][)])|AnimationsManager[^;>]' => 'AnimationsManager',
'attach_menu_manager[_(-](?![.]get[(][)])|AttachMenuManager[^;>]' => 'AttachMenuManager',
'audios_manager[_(-](?![.]get[(][)])|AudiosManager' => 'AudiosManager',
'auth_manager[_(-](?![.]get[(][)])|AuthManager' => 'AuthManager',
'AutoDownloadSettings|[a-z_]*auto_download_settings' => 'AutoDownloadSettings',
'autosave_manager[_(-](?![.]get[(][)])|AutosaveManager' => 'AutosaveManager',
'BackgroundId' => 'BackgroundId',
'background_manager[_(-](?![.]get[(][)])|BackgroundManager' => 'BackgroundManager',
'BackgroundType' => 'BackgroundType',
'Birthdate' => 'Birthdate',
'BotMenuButton|[a-z_]*_menu_button' => 'BotMenuButton',
'boost_manager[_(-](?![.]get[(][)])|BoostManager' => 'BoostManager',
'bot_info_manager[_(-](?![.]get[(][)])|BotInfoManager' => 'BotInfoManager',
'BusinessAwayMessage' => 'BusinessAwayMessage',
'BusinessChatLink' => 'BusinessChatLink',
'BusinessConnectedBot' => 'BusinessConnectedBot',
'BusinessConnectionId' => 'BusinessConnectionId',
'business_connection_manager[_(-](?![.]get[(][)])|BusinessConnectionManager' => 'BusinessConnectionManager',
'BusinessGreetingMessage' => 'BusinessGreetingMessage',
'BusinessInfo|business_info' => 'BusinessInfo',
'BusinessIntro' => 'BusinessIntro',
'business_manager[_(-](?![.]get[(][)])|BusinessManager' => 'BusinessManager',
'BusinessRecipients' => 'BusinessRecipients',
'BusinessWorkHours' => 'BusinessWorkHours',
'callback_queries_manager[_(-](?![.]get[(][)])|CallbackQueriesManager' => 'CallbackQueriesManager',
'CallId' => 'CallId',
'call_manager[_(-](?![.]get[(][)])|CallManager' => 'CallManager',
'ChannelId' => 'ChannelId',
'channel_recommendation_manager[_(-](?![.]get[(][)])|ChannelRecommendationManager' => 'ChannelRecommendationManager',
'ChatId' => 'ChatId',
'chat_manager[_(-](?![.]get[(][)])|ChatManager([^ ;.]| [^*])' => 'ChatManager',
'common_dialog_manager[_(-](?![.]get[(][)])|CommonDialogManager' => 'CommonDialogManager',
'country_info_manager[_(-](?![.]get[(][)])|CountryInfoManager' => 'CountryInfoManager',
'CustomEmojiId' => 'CustomEmojiId',
'device_token_manager[_(-](?![.]get[(][)])|DeviceTokenManager' => 'DeviceTokenManager',
'DialogAction[^M]' => 'DialogAction',
'dialog_action_manager[_(-](?![.]get[(][)])|DialogActionManager' => 'DialogActionManager',
'DialogFilter[^A-Z]' => 'DialogFilter',
'DialogFilterId' => 'DialogFilterId',
'dialog_filter_manager[_(-](?![.]get[(][)])|DialogFilterManager' => 'DialogFilterManager',
'DialogId' => 'DialogId',
'dialog_invite_link_manager[_(-](?![.]get[(][)])|DialogInviteLinkManager' => 'DialogInviteLinkManager',
'DialogListId' => 'DialogListId',
'DialogLocation' => 'DialogLocation',
'dialog_manager[_(-](?![.]get[(][)])|DialogManager' => 'DialogManager',
'DialogParticipantFilter' => 'DialogParticipantFilter',
'dialog_participant_manager[_(-](?![.]get[(][)])|DialogParticipantManager' => 'DialogParticipantManager',
'DialogSource' => 'DialogSource',
'documents_manager[_(-](?![.]get[(][)])|DocumentsManager' => 'DocumentsManager',
'download_manager[_(-](?![.]get[(][)])|DownloadManager[^C]' => 'DownloadManager',
'DownloadManagerCallback' => 'DownloadManagerCallback',
'EmailVerification' => 'EmailVerification',
'EmojiGroup' => 'EmojiGroup',
'EmojiStatus|[a-z_]*_emoji_status' => 'EmojiStatus',
'file_reference_manager[_(-](?![.]get[(][)])|FileReferenceManager|file_references[)]' => 'FileReferenceManager',
'file_manager[_(-](?![.]get[(][)])|FileManager([^ ;.]| [^*])|update_file[)]' => 'files/FileManager',
'FolderId' => 'FolderId',
'forum_topic_manager[_(-](?![.]get[(][)])|ForumTopicManager' => 'ForumTopicManager',
'game_manager[_(-](?![.]get[(][)])|GameManager' => 'GameManager',
'G[(][)]|Global[^A-Za-z]' => 'Global',
'GlobalPrivacySettings' => 'GlobalPrivacySettings',
'GroupCallId' => 'GroupCallId',
'group_call_manager[_(-](?![.]get[(][)])|GroupCallManager' => 'GroupCallManager',
'hashtag_hints[_(-](?![.]get[(][)])|HashtagHints' => 'HashtagHints',
'inline_queries_manager[_(-](?![.]get[(][)])|InlineQueriesManager' => 'InlineQueriesManager',
'InputBusinessChatLink' => 'InputBusinessChatLink',
'language_pack_manager[_(-]|LanguagePackManager' => 'LanguagePackManager',
'link_manager[_(-](?![.]get[(][)])|LinkManager' => 'LinkManager',
'LogeventIdWithGeneration|add_log_event|delete_log_event|get_erase_log_event_promise|parse_time|store_time' => 'logevent/LogEventHelper',
'MessageCopyOptions' => 'MessageCopyOptions',
'MessageForwardInfo|LastForwardedMessageInfo|forward_info' => 'MessageForwardInfo',
'MessageFullId' => 'MessageFullId',
'MessageId' => 'MessageId',
'message_import_manager[_(-](?![.]get[(][)])|MessageImportManager' => 'MessageImportManager',
'MessageLinkInfo' => 'MessageLinkInfo',
'MessageQuote' => 'MessageQuote',
'MessageReaction|UnreadMessageReaction|[a-z_]*message[a-z_]*reaction' => 'MessageReaction',
'[a-z_]*_message_sender' => 'MessageSender',
'messages_manager[_(-](?![.]get[(][)])|MessagesManager' => 'MessagesManager',
'MessageThreadInfo' => 'MessageThreadInfo',
'MessageTtl' => 'MessageTtl',
'MissingInvitee' => 'MissingInvitee',
'notification_manager[_(-](?![.]get[(][)])|NotificationManager|notifications[)]' => 'NotificationManager',
'notification_settings_manager[_(-](?![.]get[(][)])|NotificationSettingsManager' => 'NotificationSettingsManager',
'option_manager[_(-](?![.]get[(][)])|OptionManager' => 'OptionManager',
'password_manager[_(-](?![.]get[(][)])|PasswordManager' => 'PasswordManager',
'people_nearby_manager[_(-](?![.]get[(][)])|PeopleNearbyManager' => 'PeopleNearbyManager',
'phone_number_manager[_(-](?![.]get[(][)])|PhoneNumberManager' => 'PhoneNumberManager',
'PhotoSizeSource' => 'PhotoSizeSource',
'poll_manager[_(-](?![.]get[(][)])|PollManager' => 'PollManager',
'privacy_manager[_(-](?![.]get[(][)])|PrivacyManager' => 'PrivacyManager',
'PublicDialogType|get_public_dialog_type' => 'PublicDialogType',
'quick_reply_manager[_(-](?![.]get[(][)])|QuickReplyManager' => 'QuickReplyManager',
'ReactionListType|[a-z_]*_reaction_list_type' => 'ReactionListType',
'reaction_manager[_(-](?![.]get[(][)])|ReactionManager' => 'ReactionManager',
'ReactionNotificationSettings' => 'ReactionNotificationSettings',
'ReactionNotificationsFrom' => 'ReactionNotificationsFrom',
'ReactionType|[a-z_]*_reaction_type' => 'ReactionType',
'RequestActor|RequestOnceActor' => 'RequestActor',
'saved_messages_manager[_(-](?![.]get[(][)])|SavedMessagesManager' => 'SavedMessagesManager',
'ScopeNotificationSettings|[a-z_]*_scope_notification_settings' => 'ScopeNotificationSettings',
'SecretChatActor' => 'SecretChatActor',
'secret_chats_manager[_(-]|SecretChatsManager' => 'SecretChatsManager',
'secure_manager[_(-](?![.]get[(][)])|SecureManager' => 'SecureManager',
'SentEmailCode' => 'SentEmailCode',
'SharedDialog' => 'SharedDialog',
'sponsored_message_manager[_(-](?![.]get[(][)])|SponsoredMessageManager' => 'SponsoredMessageManager',
'state_manager[_(-](?![.]get[(][)])|StateManager' => 'StateManager',
'statistics_manager[_(-](?![.]get[(][)])|StatisticsManager' => 'StatisticsManager',
'StickerSetId' => 'StickerSetId',
'stickers_manager[_(-](?![.]get[(][)])|StickersManager' => 'StickersManager',
'storage_manager[_(-](?![.]get[(][)])|StorageManager' => 'StorageManager',
'StoryId' => 'StoryId',
'StoryListId' => 'StoryListId',
'story_manager[_(-](?![.]get[(][)])|StoryManager' => 'StoryManager',
'SuggestedAction|[a-z_]*_suggested_action' => 'SuggestedAction',
'td_api' => 'td_api',
'td_db[(][)]|TdDb[^A-Za-z]' => 'TdDb',
'telegram_api' => 'telegram_api',
'theme_manager[_(-](?![.]get[(][)])|ThemeManager' => 'ThemeManager',
'time_zone_manager[_(-](?![.]get[(][)])|TimeZoneManager' => 'TimeZoneManager',
'TopDialogCategory|get_top_dialog_category' => 'TopDialogCategory',
'top_dialog_manager[_(-](?![.]get[(][)])|TopDialogManager' => 'TopDialogManager',
'translation_manager[_(-](?![.]get[(][)])|TranslationManager' => 'TranslationManager',
'transcription_manager[_(-](?![.]get[(][)])|TranscriptionManager' => 'TranscriptionManager',
'updates_manager[_(-](?![.]get[(][)])|UpdatesManager|get_difference[)]|updateSentMessage|dummyUpdate' => 'UpdatesManager',
'UserId' => 'UserId',
'user_manager[_(-](?![.]get[(][)])|UserManager([^ ;.]| [^*])' => 'UserManager',
'video_notes_manager[_(-](?![.]get[(][)])|VideoNotesManager' => 'VideoNotesManager',
'videos_manager[_(-](?![.]get[(][)])|VideosManager' => 'VideosManager',
'voice_notes_manager[_(-](?![.]get[(][)])|VoiceNotesManager' => 'VoiceNotesManager',
'WebPageId(Hash)?' => 'WebPageId',
'web_pages_manager[_(-](?![.]get[(][)])|WebPagesManager' => 'WebPagesManager');
foreach ($td_methods as $pattern => $header) {
if (strpos($cpp_name, $header) !== false) {
continue;
}
$include_name = '#include "td/telegram/'.$header.'.h"';
if (strpos($new_content, $include_name) !== false && preg_match('/[^a-zA-Z0-9_]('.$pattern.')/', str_replace($include_name, '', $new_content)) === 0) {
$new_content = str_replace($include_name, '', $new_content);
}
}
} else {
$new_content = preg_replace_callback(
'|#include "[a-z_A-Z/0-9.]*"|',
function ($matches) {
if (strpos($matches[0], "Manager") !== false || strpos($matches[0], "HashtagHints") !== false || strpos($matches[0], "Td.h") !== false) {
return $matches[0];
}
return '';
},
$new_content
);
}
if (!file_exists($new_files[$n]) || file_get_contents($new_files[$n]) !== $new_content) {
echo "Writing file ".$new_files[$n].PHP_EOL;
file_put_contents($new_files[$n], $new_content);
}
}
}
if (in_array('--help', $argv) || in_array('-h', $argv)) {
echo "Usage: php SplitSource.php [OPTION]...\n".
"Splits some source files to reduce a maximum amount of RAM needed for compiling a single file.\n".
" -u, --undo Undo all source code changes.\n".
" -h, --help Show this help.\n";
exit(2);
}
$undo = in_array('--undo', $argv) || in_array('-u', $argv);
$files = array('td/telegram/ChatManager' => 10,
'td/telegram/MessagesManager' => 50,
'td/telegram/NotificationManager' => 10,
'td/telegram/StickersManager' => 10,
'td/telegram/Td' => 50,
'td/telegram/UserManager' => 10,
'td/generate/auto/td/telegram/td_api' => 10,
'td/generate/auto/td/telegram/td_api_json' => 10,
'td/generate/auto/td/telegram/telegram_api' => 10);
foreach ($files as $file => $chunks) {
split_file($file, $chunks, $undo);
}