C# Class CFGLib.CNFGrammar

Represents a concrete (probabilistic) context free grammar in Chomsky normal form (CNF)

Inheritance: BaseGrammar

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Private Properties

Property	Type	Description
BuildLookups	void
CNFGrammar	System
ProductionsFrom	IEnumerable
ProductionsProductingTerminal	ICollection

Public Methods

Method	Description
Accepts ( Sentence s ) : bool	Returns whether this grammar accepts the given sentence
AddProduction ( Production production ) : void
CNFGrammar ( IEnumerable productions, Nonterminal start ) : System
Cyk ( Sentence s ) : double
ShallowClone ( ) : BaseGrammar

Protected Methods

Method	Description
RemoveProductionWithoutSimplifying ( Production production ) : void

Private Methods

Method	Description
BuildLookups ( ) : void
CNFGrammar ( ) : System
ProductionsFrom ( Nonterminal lhs ) : IEnumerable
ProductionsProductingTerminal ( Terminal terminal ) : ICollection

Method Details

Accepts() public method

Returns whether this grammar accepts the given sentence

public Accepts ( Sentence s ) : bool
s	Sentence
return	bool

AddProduction() public method

public AddProduction ( Production production ) : void
production	Production
return	void

CNFGrammar() public method

public CNFGrammar ( IEnumerable productions, Nonterminal start ) : System
productions	IEnumerable
start	Nonterminal
return	System

Cyk() public method

public Cyk ( Sentence s ) : double
s	Sentence
return	double

RemoveProductionWithoutSimplifying() protected method

protected RemoveProductionWithoutSimplifying ( Production production ) : void
production	Production
return	void

ShallowClone() public method

public ShallowClone ( ) : BaseGrammar
return	BaseGrammar