class Abstriker::SexpTraverser
Public Class Methods
new(sexp)
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# File lib/abstriker.rb, line 17 def initialize(sexp) @sexp = sexp end
Public Instance Methods
traverse(current_sexp = nil, parent = nil) { |sexp, parent| ... }
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# File lib/abstriker.rb, line 21 def traverse(current_sexp = nil, parent = nil, &block) sexp = current_sexp || @sexp first = sexp[0] if first.is_a?(Symbol) # node yield sexp, parent args = Ripper::PARSER_EVENT_TABLE[first] return if args.nil? || args.zero? args.times do |i| param = sexp[i + 1] if param.is_a?(Array) traverse(param, sexp, &block) end end else # array sexp.each do |n| if n.is_a?(Array) traverse(n, sexp, &block) end end end end