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<?php
chdir('buildtools');
require __DIR__ . '/vendor/autoload.php';
use Dpp\StructGeneratorInterface;
if (count($argv) < 2) {
die("You must specify a generator type\n");
} else {
$generatorName = $argv[1];
$generator = new $generatorName();
}
chdir('..');
/* Get the content of all cluster source files into an array */
exec("cat src/dpp/cluster/*.cpp", $clustercpp);
/* These methods have signatures incompatible with this script */
$blacklist = [
];
/* The script cannot determine the correct return type of these methods,
* so we specify it by hand here.
*/
$forcedReturn = [
'direct_message_create' => 'message',
'guild_get_members' => 'guild_member_map',
'guild_search_members' => 'guild_member_map',
'message_create' => 'message',
'message_edit' => 'message',
'message_add_reaction' => 'confirmation',
'message_delete_reaction' => 'confirmation',
'message_delete_reaction_emoji' => 'confirmation',
'message_delete_all_reactions' => 'confirmation',
'message_delete_own_reaction' => 'confirmation',
'channel_edit_permissions' => 'confirmation',
'channel_typing' => 'confirmation',
'message_get_reactions' => 'emoji_map',
'thread_create_in_forum' => 'thread',
'threads_get_private_archived' => 'thread_map',
'threads_get_public_archived' => 'thread_map',
'threads_get_active' => 'active_threads',
'user_get_cached' => 'user_identified',
'channel_pins_get' => 'message_pin_map'
];
/* Get the contents of cluster.h into an array */
$header = explode("\n", file_get_contents('include/dpp/cluster.h'));
/* Finite state machine state constants */
const STATE_SEARCH_FOR_FUNCTION = 0;
const STATE_IN_FUNCTION = 1;
const STATE_END_OF_FUNCTION = 2;
$state = STATE_SEARCH_FOR_FUNCTION;
$currentFunction = $parameters = $returnType = '';
$content = $generator->generateHeaderStart();
$cppcontent = $generator->generatecppStart();
if (!$generator->checkForChanges()) {
exit(0);
}
$lastFunc = '<none>';
$l = 0;
/* Scan every line of the C++ source */
foreach ($clustercpp as $cpp) {
$l++;
/* Look for declaration of function body */
if ($state == STATE_SEARCH_FOR_FUNCTION &&
preg_match('/^\s*void\s+cluster::([^(]+)\s*\((.*)command_completion_event_t\s*callback\s*\)/', $cpp, $matches)) {
$currentFunction = $matches[1];
$parameters = preg_replace('/,\s*$/', '', $matches[2]);
if (!in_array($currentFunction, $blacklist)) {
$state = STATE_IN_FUNCTION;
}
/* Scan function body */
} elseif ($state == STATE_IN_FUNCTION) {
/* End of function */
if (preg_match('/^\}\s*$/', $cpp)) {
$state = STATE_END_OF_FUNCTION;
/* look for the return type of the method */
} elseif (preg_match('/rest_request<([^>]+)>/', $cpp, $matches)) {
/* rest_request<T> */
$returnType = $matches[1];
} elseif (preg_match('/rest_request_list<([^>]+)>/', $cpp, $matches)) {
/* rest_request_list<T> */
$returnType = $matches[1] . '_map';
} elseif (preg_match('/rest_request_vector<([^>]+)>/', $cpp, $matches)) {
/* rest_request_vector<T> */
$returnType = $matches[1] . '_list';
} elseif (preg_match('/callback\(confirmation_callback_t\(\w+, ([^(]+)\(.*, \w+\)\)/', $cpp, $matches)) {
/* confirmation_callback_t */
$returnType = $matches[1];
} elseif (!empty($forcedReturn[$currentFunction])) {
/* Forced return type */
$returnType = $forcedReturn[$currentFunction];
}
}
/* Completed parsing of function body */
if ($state == STATE_END_OF_FUNCTION && !empty($currentFunction) && !empty($returnType)) {
if (!in_array($currentFunction, $blacklist)) {
$parameterList = explode(',', $parameters);
$parameterNames = [];
$parameterTypes = [];
foreach ($parameterList as $parameter) {
$parts = explode(' ', trim($parameter));
$name = trim(preg_replace('/[\s\*\&]+/', '', $parts[count($parts) - 1]));
$parameterNames[] = $name;
$parameterTypes[] = trim(substr($parameter, 0, strlen($parameter) - strlen($name)));
}
$content .= getComments($generator, $currentFunction, $returnType, $parameterNames) . "\n";
$fullParameters = getFullParameters($currentFunction, $parameterNames);
$parameterNames = trim(join(', ', $parameterNames));
$parameterTypes = trim(join(', ', $parameterTypes));
if (!empty($parameterNames)) {
$parameterNames = ', ' . $parameterNames;
}
$noDefaults = $parameters;
$parameters = !empty($fullParameters) ? $fullParameters : $parameters;
$content .= $generator->generateHeaderDef($returnType, $currentFunction, $parameters, $noDefaults, $parameterTypes, $parameterNames);
$cppcontent .= $generator->generateCppDef($returnType, $currentFunction, $parameters, $noDefaults, $parameterTypes, $parameterNames);
}
$lastFunc = $currentFunction;
$currentFunction = $parameters = $returnType = '';
$state = STATE_SEARCH_FOR_FUNCTION;
}
}
if ($state != STATE_SEARCH_FOR_FUNCTION) {
die("\n\n\nBuilding headers is broken ($l) - state machine finished in the middle of function $currentFunction (previous $lastFunc) with parameters $parameters rv $returnType state=$state\n\n\n");
}
$content .= <<<EOT
/* End of auto-generated definitions */
EOT;
$cppcontent .= <<<EOT
};
/* End of auto-generated definitions */
EOT;
/**
* @brief Get parameters of a function with defaults
* @param string $currentFunction Current function name
* @param array $parameters Parameter names
* @return string Parameter list
*/
function getFullParameters(string $currentFunction, array $parameters): string
{
global $header;
foreach ($header as $line) {
if (preg_match('/^\s*void\s+' . $currentFunction . '\s*\((.*' . join('.*', $parameters) . '.*)command_completion_event_t\s*callback\s*/', $line, $matches)) {
return preg_replace('/,\s*$/', '', $matches[1]);
}
}
return '';
}
/**
* @brief Get the comment block of a function.
* Adds see/return doxygen tags
* @param string $currentFunction function name
* @param string $returnType Return type of function
* @param array $parameters Parameter names
* @return string Comment block
*/
function getComments(StructGeneratorInterface $generator, string $currentFunction, string $returnType, array $parameters): string
{
global $header;
/* First find the function */
foreach ($header as $i => $line) {
if (preg_match('/^\s*void\s+' . $currentFunction . '\s*\(.*' . join('.*', $parameters) . '.*command_completion_event_t\s*callback\s*/', $line)) {
/* Backpeddle */
$lineIndex = 1;
for ($n = $i; $n != 0; --$n, $lineIndex++) {
$header[$n] = preg_replace('/^\t+/', '', $header[$n]);
$header[$n] = preg_replace('/@see (.+?)$/', '@see dpp::cluster::' . $currentFunction . "\n * @see \\1", $header[$n]);
$header[$n] = preg_replace('/@param callback .*$/', '@return ' . $returnType . ' returned object on completion', $header[$n]);
if (preg_match('/\s*\* On success /i', $header[$n])) {
$header[$n] = "";
}
if (preg_match('/\s*\/\*\*\s*$/', $header[$n])) {
$part = array_slice($header, $n, $lineIndex - 1);
array_splice($part, count($part) - 1, 0, $generator->getCommentArray());
return str_replace("\n\n", "\n", join("\n", $part));
}
}
return '';
}
}
return '';
}
/* Finished parsing, output autogenerated files */
$generator->saveHeader($content);
$generator->savecpp($cppcontent);
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