function parse()
{
$lex = new VTQL_Lexer($this->query);
$parser = new VTQL_Parser($this->user, $lex, $this->out);
while ($lex->yylex()) {
$parser->doParse($lex->token, $lex->value);
}
$parser->doParse(0, 0);
if ($parser->isSuccess()) {
$this->hasError = false;
$this->query = $parser->getQuery();
$this->meta = $parser->getObjectMetaData();
} else {
$this->hasError = true;
$this->error = $parser->getErrorMsg();
}
return $this->hasError;
}
/**
* Output debug information to output (php://output stream)
*/
static function PrintTrace()
{
self::$yyTraceFILE = fopen('php://output', 'w');
self::$yyTracePrompt = '';
}
