wlp4.rb

states = ['start']
transitions = []
final_states = []
simple_symbols = '()[]{}!=<>+-*/%;&,'.split('')
special_symbols = [">=", "<=", "==", "!="]
alpha = ('A'.ord .. 'Z'.ord).map(&:chr) + ('a'.ord .. 'z'.ord).map(&:chr)
numeric = (1..9).map(&:to_s)
alphabet = alpha + numeric + simple_symbols + ['0']
stupid_symbols = ['!']

simple_symbols.each do |symbol|
  transitions << "start #{symbol} #{symbol}"
  states << symbol
  final_states << symbol unless stupid_symbols.include? symbol
end

special_symbols.each do |special_symbol|
  transitions << "#{special_symbol[0]} #{special_symbol[1]} #{special_symbol}"
  states << special_symbol
  final_states << special_symbol
end

alpha.each do |symbol|
  transitions << "start #{symbol} id"
  transitions << "id #{symbol} id"
  states << 'id'
end
final_states << "id"

numeric.each do |symbol|
  transitions << "start #{symbol} number"
  transitions << "number #{symbol} number"
  # transitions << "- #{symbol} negnumber"
  # transitions << "negnumber #{symbol} negnumber"
  transitions << "id #{symbol} id"
end
states << 'number'
# states << 'negnumber'
transitions << "number 0 number"
transitions << "id 0 id"
# transitions << "negnumber 0 negnumber"
final_states << "number"
# final_states << "negnumber"

states << 'zero'
transitions << "start 0 zero"
final_states << "zero"

puts alphabet.size
alphabet.each { |s| puts s }
puts states.uniq.size
states.uniq.each { |s| puts s }
puts 'start'
puts final_states.uniq.size
final_states.uniq.each { |s| puts s }
puts transitions.uniq.size
transitions.uniq.each { |s| puts s }