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d d n d S)zProvide advanced parsing abilities for ParenMatch and other extensions.
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zHyperParser.__init__c C s t | j t | j j | | j } | d k rJ t d | n | | _ d | _ xP | j t | j d k r | j | j d d | j k r | j d 7_ q_ W| j t | j d k r| j | j d d | j k r| j | j d r| j d 7_ n d S)zgSet the index to which the functions relate.
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! !zHyperParser.set_indexc C s/ | j | j o. | j | j | j d d k S)z2Is the index given to the HyperParser in a string?r "')r, r- )r# r+ r r )r r r r
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is_in_codeo s zHyperParser.is_in_codez([{Fc C s | j | j d } | j } x{ | j | sc | j | j | d | k sc | j | d | k r | d 8} | d k r} d St | | j | d } q W| j d } x: | t | j k r | j | d | k r | d 7} q W| j j d | j t | j | j | d f } | t | j k sQ| j | d t | j k rg| r[d S| j } n; | j j d | j t | j | j | d d f } | | f S)a Return bracket indexes or None.
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k r]x. | d k rS| | d d k rS| d 8} q&W| } n Pq\ Pq\ W| | | j S) zReturn a string with the Python expression which ends at the
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