nltk.parse.earleychart.ScannerRule

class documentation

class ScannerRule(CompleteFundamentalRule): (source)

Known subclasses: nltk.parse.earleychart.FeatureScannerRule

Undocumented

Method	`apply`	Return a generator that will add edges licensed by this rule and the given edges to the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.
Class Variable	`_fundamental_rule`	Undocumented

Inherited from CompleteFundamentalRule:

Method _apply_incomplete Undocumented

Inherited from SingleEdgeFundamentalRule (via CompleteFundamentalRule):

Constant	`NUM_EDGES`	Undocumented
Method	`_apply_complete`	Undocumented

Inherited from AbstractChartRule (via CompleteFundamentalRule, SingleEdgeFundamentalRule, FundamentalRule):

Method	`__str__`	Undocumented
Method	`apply_everywhere`	Return a generator that will add all edges licensed by this rule, given the edges that are currently in the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.

def apply(self, chart, grammar, edge): (source) ¶

overrides nltk.parse.chart.SingleEdgeFundamentalRule.apply

Return a generator that will add edges licensed by this rule and the given edges to the chart, one at a time. Each time the generator is resumed, it will either add a new edge and yield that edge; or return.

Parameters
chart	Undocumented
grammar	Undocumented
edge	Undocumented
*edges:list(EdgeI)	A set of existing edges. The number of edges that should be passed to `apply()` is specified by the `NUM_EDGES` class variable.
Returns
iter(EdgeI)	Undocumented

_fundamental_rule = (source) ¶

overridden in nltk.parse.earleychart.FeatureScannerRule

Undocumented