Module perplex::grammar

Data structures representing a grammar.

Structs

Grammar	A grammar.
NonterminalId	A unique nonterminal identifier.
Rule	A single rule within a grammar.
RuleId	A unique rule identifier.
TerminalId	A unique terminal identifier.

Enums

Symbol

A symbol of a production.

Constants

ACCEPT	The start rule $accept -> S.
END	The special end of input terminal $end.
NIL	The special don't care/nil terminal #.

Type Definitions

RuleIdsIter	an iterator over the rule IDs of a grammar.
RulesIter	An iterator over the rules of a grammar.