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Size: 688 Bytes
Versions: 10
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Stored size: 688 Bytes
Contents
require_relative '../ptree/token_range'
module Rley # This module is used as a namespace
module SPPF # This module is used as a namespace
# Abstract class. The generalization for all kinds of nodes
# occurring in a shared packed parse forest.
class SPPFNode
# A range of indices for tokens matching this node.
attr_reader(:range)
def initialize(aRange)
@range = PTree::TokenRange.new(aRange)
end
# Return the origin (= lower bound of the range
# = position of first token matched by the symbol)
def origin()
return range.low
end
end # class
end # module
end # module
# End of file
Version data entries
10 entries across 10 versions & 1 rubygems