44 lines
677 B
Ruby
44 lines
677 B
Ruby
module Imbecile
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class Regex
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class NFA
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class State
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attr_accessor :accepts
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attr_reader :transitions
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def initialize
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@transitions = []
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end
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def add_transition(code_point, destination_state)
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@transitions << [code_point, destination_state]
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end
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end
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attr_accessor :start_state
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attr_accessor :end_state
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def initialize
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@start_state = State.new
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@end_state = State.new
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end
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class << self
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def empty
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nfa = NFA.new
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nfa.start_state.add_transition(nil, nfa.end_state)
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nfa
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end
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end
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end
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end
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end
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