Mercury.Syntax.GrammarBuilder Class Reference

Class that creates grammars. More...

Inherited by Mercury.Syntax.ExtendedGrammarBuilder.

Public Member Functions
	GrammarBuilder ()
	Default constructor. Uses Root and Epsilon symbols that are specified in the configuration. More...
	GrammarBuilder (Symbol root, Symbol epsilon)
	Creates a GrammarBuilder with custom Root and Epsilon symbols. More...
GrammarBuilder	AddSymbol (Symbol newSymbol)
	Adds a new symbol to the grammar. The destination set is determined by the symbol type. Epsilon or symbols that already are in the grammar are ignored. More...
virtual GrammarBuilder	AddRule (Rule rule)
	Adds a new rule to the grammar. If the rule contains symbols that are not in the grammar, they will be added. Rules that are already in the grammar will be ignored. More...
GrammarBuilder	AddRules (IEnumerable< Rule > rules)
	Adds the collection of rules to the builder. More...
GrammarBuilder	Include (GrammarBuilder other)
	Includes the other builder. More...
Grammar	GetGrammar ()
	Returns A grammar from the builder. More...

Protected Attributes
HashSet< Symbol >	nonterminals = new HashSet<Symbol>()
HashSet< Symbol >	terminals = new HashSet<Symbol>()
HashSet< Rule >	rules = new HashSet<Rule>()

Properties
Symbol	Root [get, set]
	Root symbol. More...
Symbol	Epsilon [get, set]
	Epsilon symbol. More...

Detailed Description

Class that creates grammars.

Definition at line 13 of file GrammarBuilder.cs.

Constructor & Destructor Documentation

Mercury.Syntax.GrammarBuilder.GrammarBuilder

(

)

Default constructor. Uses Root and Epsilon symbols that are specified in the configuration.

Definition at line 27 of file GrammarBuilder.cs.

Mercury.Syntax.GrammarBuilder.GrammarBuilder	(	Symbol	root,
		Symbol	epsilon
	)

Creates a GrammarBuilder with custom Root and Epsilon symbols.

Parameters

root	A root symbol, must be a nonterminal.
epsilon	Epsilon symbol.

Definition at line 36 of file GrammarBuilder.cs.

Member Function Documentation

virtual GrammarBuilder Mercury.Syntax.GrammarBuilder.AddRule ( Rule  rule )

virtual

Adds a new rule to the grammar. If the rule contains symbols that are not in the grammar, they will be added. Rules that are already in the grammar will be ignored.

Parameters

rule	The rule to be added

Returns

This builder to support chaining.

Definition at line 93 of file GrammarBuilder.cs.

GrammarBuilder Mercury.Syntax.GrammarBuilder.AddRules

(

IEnumerable< Rule >

rules

)

Adds the collection of rules to the builder.

Parameters

rules

The rules.

Returns

This builder to support chaining.

Definition at line 111 of file GrammarBuilder.cs.

GrammarBuilder Mercury.Syntax.GrammarBuilder.AddSymbol

(

Symbol

newSymbol

)

Adds a new symbol to the grammar. The destination set is determined by the symbol type. Epsilon or symbols that already are in the grammar are ignored.

Parameters

newSymbol

The new symbol.

Returns

This builder to support chaining.

Definition at line 67 of file GrammarBuilder.cs.

Grammar Mercury.Syntax.GrammarBuilder.GetGrammar

(

)

Returns

A grammar from the builder.

Definition at line 121 of file GrammarBuilder.cs.

GrammarBuilder Mercury.Syntax.GrammarBuilder.Include

(

GrammarBuilder

other

)

Includes the other builder.

Parameters

other

The other builder.

Returns

This builder to support chaining.

Definition at line 117 of file GrammarBuilder.cs.

Member Data Documentation

HashSet<Symbol> Mercury.Syntax.GrammarBuilder.nonterminals = new HashSet<Symbol>()

protected

Definition at line 17 of file GrammarBuilder.cs.

HashSet<Rule> Mercury.Syntax.GrammarBuilder.rules = new HashSet<Rule>()

protected

Definition at line 19 of file GrammarBuilder.cs.

HashSet<Symbol> Mercury.Syntax.GrammarBuilder.terminals = new HashSet<Symbol>()

protected

Definition at line 18 of file GrammarBuilder.cs.

Property Documentation

Symbol Mercury.Syntax.GrammarBuilder.Epsilon

getset

Epsilon symbol.

Definition at line 56 of file GrammarBuilder.cs.

Symbol Mercury.Syntax.GrammarBuilder.Root

getset

Root symbol.

Definition at line 53 of file GrammarBuilder.cs.

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The documentation for this class was generated from the following file:

• Mercury/Mercury/Syntax/GrammarBuilder.cs