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� �� Rc @ st d Z d d l Z d � Z d � Z d � Z d � Z d e f d � � YZ d � Z d � Z d � Z d � Z d S( s% Utilities for working with gdb.Types.i����Nc C sb xU | j t j k s' | j t j k rW | j t j k rH | j � } q | j � } q W| j � S( s� Return the "basic" type of a type. Arguments: type_: The type to reduce to its basic type. Returns: type_ with const/volatile is stripped away, and typedefs/references converted to the underlying type. ( t codet gdbt TYPE_CODE_REFt TYPE_CODE_TYPEDEFt targett strip_typedefst unqualified( t type_( ( s" /usr/share/gdb/python/gdb/types.pyt get_basic_type s c C s� t | � } | j t j k r? | j t j k r? t d � � n xI | j � D]; } | j rt t | j | � r� t SqL | j | k rL t SqL Wt S( sy Return True if a type has the specified field. Arguments: type_: The type to examine. It must be one of gdb.TYPE_CODE_STRUCT, gdb.TYPE_CODE_UNION. field: The name of the field to look up. Returns: True if the field is present either in type_ or any baseclass. Raises: TypeError: The type is not a struct or union. s not a struct or union( R R R t TYPE_CODE_STRUCTt TYPE_CODE_UNIONt TypeErrort fieldst is_base_classt has_fieldt typet Truet namet False( R t fieldt f( ( s" /usr/share/gdb/python/gdb/types.pyR * s c C sR | j t j k r! t d � � n i } x$ | j � D] } | j | | j <q4 W| S( s� Return a dictionary from a program's enum type. Arguments: enum_type: The enum to compute the dictionary for. Returns: The dictionary of the enum. Raises: TypeError: The type is not an enum. s not an enum type( R R t TYPE_CODE_ENUMR R t enumvalR ( t enum_typet enum_dictR ( ( s" /usr/share/gdb/python/gdb/types.pyt make_enum_dictH s c c sT xM | j � D]? \ } } | r- | | f Vq x t | j � D] } | Vq= Wq Wd S( s� Return an iterator that recursively traverses anonymous fields. Arguments: type_: The type to traverse. It should be one of gdb.TYPE_CODE_STRUCT or gdb.TYPE_CODE_UNION. Returns: an iterator similar to gdb.Type.iteritems(), i.e., it returns pairs of key, value, but for any anonymous struct or union field that field is traversed recursively, depth-first. N( t iteritemst deep_itemsR ( R t kt vt i( ( s" /usr/share/gdb/python/gdb/types.pyR ^ s t TypePrinterc B s e Z d Z d � Z d � Z RS( s� The base class for type printers. Instances of this type can be used to substitute type names during 'ptype'. A type printer must have at least 'name' and 'enabled' attributes, and supply an 'instantiate' method. The 'instantiate' method must either return None, or return an object which has a 'recognize' method. This method must accept a gdb.Type argument and either return None, meaning that the type was not recognized, or a string naming the type. c C s | | _ t | _ d S( N( R R t enabled( t selfR ( ( s" /usr/share/gdb/python/gdb/types.pyt __init__� s c C s d S( N( t None( R! ( ( s" /usr/share/gdb/python/gdb/types.pyt instantiate� s ( t __name__t __module__t __doc__R" R$ ( ( ( s" /usr/share/gdb/python/gdb/types.pyR q s c C sI xB | D]: } | j r | j � } | d k rA | j | � qA q q Wd S( N( R R$ R# t append( t resultt plistt printert inst( ( s" /usr/share/gdb/python/gdb/types.pyt _get_some_type_recognizers� s c C sW g } x$ t j � D] } t | | j � q Wt | t j � j � t | t j � | S( sF Return a list of the enabled type recognizers for the current context.( R t objfilesR- t type_printerst current_progspace( R) t objfile( ( s" /usr/share/gdb/python/gdb/types.pyt get_type_recognizers� s c C s4 x- | D]% } | j | � } | d k r | Sq Wd S( s� Apply the given list of type recognizers to the type TYPE_OBJ. If any recognizer in the list recognizes TYPE_OBJ, returns the name given by the recognizer. Otherwise, this returns None.N( t recognizeR# ( t recognizerst type_objt rR) ( ( s" /usr/share/gdb/python/gdb/types.pyt apply_type_recognizers� s c C s, | d k r t } n | j j d | � d S( s� Register a type printer. PRINTER is the type printer instance. LOCUS is either an objfile, a program space, or None, indicating global registration.i N( R# R R/ t insert( t locusR+ ( ( s" /usr/share/gdb/python/gdb/types.pyt register_type_printer� s ( R' R R R R R t objectR R- R2 R7 R: ( ( ( s" /usr/share/gdb/python/gdb/types.pyt <module> s