Martel :: Expression :: Group :: Class Group
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Class Group

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Expression --+
             |
            Group

Instance Methods [hide private]
 
__init__(self, name, expression, attrs=None)
(name, expression)
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group_names(self)
the list of group names used by this Expression and its children
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_find_groups(self, tag)
return a list of all groups matching the given tag
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features(self)
return a list of all features
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_select_names(self, names)
internal function: do not use
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_modify_leaves(self, func)
internal function for manipulating the leaves of an expression
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copy(self)
do a deep copy on this Expression tree
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__str__(self)
the corresponding pattern string
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Inherited from Expression: __add__, __or__, make_iterator, make_parser

Method Details [hide private]

__init__(self, name, expression, attrs=None)
(Constructor)

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(name, expression)

Create a group named 'name' which matches the given expression

group_names(self)

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the list of group names used by this Expression and its children

Overrides: Expression.group_names

_find_groups(self, tag)

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return a list of all groups matching the given tag

Overrides: Expression._find_groups

features(self)

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return a list of all features

Overrides: Expression.features

_select_names(self, names)

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internal function: do not use

Overrides: Expression._select_names

_modify_leaves(self, func)

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internal function for manipulating the leaves of an expression

This really needs to be some sort of visit pattern, but I'm not sure the best way to do it. THIS METHOD MAY CHANGE.

Overrides: Expression._modify_leaves
(inherited documentation)

copy(self)

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do a deep copy on this Expression tree

Overrides: Expression.copy

__str__(self)
(Informal representation operator)

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the corresponding pattern string

Overrides: Expression.__str__