Racc::Item

LALR item. A set of rule and its lookahead tokens.

Attributes

la[R]

rule[R]

Public Class Methods

new(rule, la) click to toggle source

 
               # File racc/state.rb, line 788
def initialize(rule, la)
  @rule = rule
  @la  = la
end

Public Instance Methods

each_la(tbl) click to toggle source

 
               # File racc/state.rb, line 796
def each_la(tbl)
  la = @la
  0.upto(la.size - 1) do |i|
    (0..7).each do |ii|
      if la[idx = i * 8 + ii] == 1
        yield tbl[idx]
      end
    end
  end
end