/**
* Get a trace reader for the specific file.
*
* If the file has not been preprocessed yet this will be done first.
*
* @param string File to read
* @param Cost format for the reader
* @return Webgrind_Reader Reader for $file
*/
public function getTraceReader($file, $costFormat)
{
$prepFile = Webgrind::$config->storageDir . '/' . $file . Webgrind::$config->preprocessedSuffix;
try {
$r = new Reader($prepFile, $costFormat);
} catch (Exception $e) {
// Preprocessed file does not exist or other error
Preprocessor::parse(Webgrind::$config->xdebugOutputDir . '/' . $file, $prepFile);
$r = new Reader($prepFile, $costFormat);
}
return $r;
}
