public function fromComment($comment, $context = null)
    {
        if ($context === null) {
            $context = new Context(['comment' => $comment]);
        } else {
            $context->comment = $comment;
        }
        try {
            self::$context = $context;
            if ($context->is('annotations') === false) {
                $context->annotations = [];
            }
            $comment = preg_replace_callback(
                '/^[\t ]*\*[\t ]+/m',
                function ($match) {
                    // Replace leading tabs with spaces.
                    // Workaround for http://www.doctrine-project.org/jira/browse/DCOM-255
                    return str_replace("\t", ' ', $match[0]);
                },
                $comment
            );
            $annotations = $this->docParser->parse($comment, $context);
            self::$context = null;
            return $annotations;
        } catch (Exception $e) {
            self::$context = null;
            if (preg_match('/^(.+) at position ([0-9]+) in ' . preg_quote((string)$context, '/') . '\.$/', $e->getMessage(), $matches)) {
                $errorMessage = $matches[1];
                $errorPos = (int)$matches[2];
                $atPos = strpos($comment, '@');
                $context->line += substr_count($comment, "\n", 0, $atPos + $errorPos);
                $lines = explode("\n", substr($comment, $atPos, $errorPos));
                $context->character = strlen(array_pop($lines)) + 1; // position starts at 0 character starts at 1
                Logger::warning(new Exception($errorMessage . ' in ' . $context, $e->getCode(), $e));
            } else {
                Logger::warning($e);
            }
            return [];
        }
    }