lemon.external.gadfly.kjParser.ParseRule

Package lemon :: Package external :: Package gadfly :: Module kjParser :: Class ParseRule

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Class ParseRule

the rule class
a rule is defined by a goal nonterminal marker of form
  (NONTERMFLAG, Name)
and a list defining the body which must contain elts of form
  (KEYFLAG, Name) or (NONTERMFLAG, Name) of (TERMFLAG, Name)
and a reduction function which takes a list of the same size
as the BodyList (consisting of the results of the evaluations of
the previous reductions)
and returns an interpretation for the body

Method Summary
	`__init__(self, goalNonTerm, BodyList, ReductFunction)`
	`__repr__(self)`
	`components(self)` marshal-able components of a rule...
	`reduce(self, Stack, Context)` rule.reduce(Stack) pops of the stack elements corresponding...

Method Details

components(self)

marshal-able components of a rule

reduce(self, Stack, Context=None)

rule.reduce(Stack) pops of the stack elements corresponding
to the body of the rule and prepares the appropriate reduction
object for evaluation (or not) at higher levels

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