The matcher functions will generate PHP code according to the expressions.
Method calls and object / array access are wrapped using the Context object.
/**
* Internal generator method
*
* Used by unit tests to debug generated PHP code.
*
* @param string $expression
* @return string
* @throws ParserException
*/
protected function generateEvaluatorCode($expression)
{
$parser = new EntityPrivilegeExpressionParser($expression);
/** @var boolean|array $result */
$result = $parser->match_Expression();
if ($result === false) {
throw new ParserException(sprintf('Expression "%s" could not be parsed.', $expression), 1416933186);
} elseif ($parser->pos !== strlen($expression)) {
throw new ParserException(sprintf('Expression "%s" could not be parsed. Error starting at character %d: "%s".', $expression, $parser->pos, substr($expression, $parser->pos)), 1416933203);
} elseif (!array_key_exists('code', $result)) {
throw new ParserException(sprintf('Parser error, no code in result %s ', json_encode($result)), 1416933192);
}
return $result['code'];
}
