in src/CodegenFactoryTrait.hack [199:217]
final public function codegenGeneratedFromScript(
?string $script = null,
): CodegenGeneratedFrom {
if ($script === null) {
$last = \debug_backtrace()
|> Vec\filter($$, $frame ==> C\contains_key($frame, 'file'))
|> C\last($$);
invariant(
$last !== null,
"Couldn't get the strack trace. Please pass the script name to ".
'codegenGeneratedFromScript',
);
$script = $this->codegenFile($last['file'])->getRelativeFileName();
}
return new CodegenGeneratedFrom(
$this->getConfig(),
'To re-generate this file run '.$script,
);
}