Sha256: 859eb5022d293a98b753266e5d038cf29a621d034b56c88d14ce0dcc0a43bbf6
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Size: 816 Bytes
Versions: 11
Compression:
Stored size: 816 Bytes
Contents
# frozen_string_literal: true
require_relative '../lexical/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 (SPPF).
class SPPFNode
# @return [Lexical::TokenRange]
# A range of token indices corresponding to this node.
attr_reader(:range)
# Constructor
# @param aRange [Lexical::TokenRange]
def initialize(aRange)
@range = Lexical::TokenRange.new(aRange)
end
# Return the origin, that is, the index of the
# first token matched by this node.
# @return [Integer]
def origin
range.low
end
end # class
end # module
end # module
# End of file
Version data entries
11 entries across 11 versions & 1 rubygems