Package nltk :: Package parse :: Module chart :: Class TopDownInitRule

Class TopDownInitRule

       object --+    
                |    
AbstractChartRule --+
                    |
                   TopDownInitRule

Known Subclasses:

A rule licensing edges corresponding to the grammar productions for the grammar's start symbol. In particular, this rule specifies that:

[S→*α][0:i]

is licensed for each grammar production S→α, where S is the grammar's start symbol.

Instance Methods

[hide private]

apply_iter(self, chart, grammar)

source code

Inherited from AbstractChartRule: __str__, apply, apply_everywhere, apply_everywhere_iter

Inherited from object: __delattr__, __getattribute__, __hash__, __init__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__

Class Variables

[hide private]

NUM_EDGES = 0

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

apply_iter(self, chart, grammar)

source code

Overrides: AbstractChartRule.apply_iter