Class: Lex::State

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/lex/state.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, lexemes = []) ⇒ State

Returns a new instance of State.



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# File 'lib/lex/state.rb', line 9

def initialize(name, lexemes = [])
  @name = name
  @lexemes = lexemes
end

Instance Attribute Details

#lexemes ⇒ Object (readonly)

Returns the value of attribute lexemes.



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# File 'lib/lex/state.rb', line 7

def lexemes
  @lexemes
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/lex/state.rb', line 7

def name
  @name
end

Instance Method Details

#<<(lexeme) ⇒ Object 



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# File 'lib/lex/state.rb', line 18

def <<(lexeme)
  @lexemes << lexeme
end

#==(other) ⇒ Object 



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# File 'lib/lex/state.rb', line 28

def ==(other)
  @name == other.name &&
  @lexemes == other.lexemes
end

#clone ⇒ Object 



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# File 'lib/lex/state.rb', line 33

def clone
  self.class.new(@name, @lexemes.map(&:clone))
end

#each(&block) ⇒ Object 



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# File 'lib/lex/state.rb', line 14

def each(&block)
  @lexemes.each(&block)
end

#update(values) ⇒ Object 



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# File 'lib/lex/state.rb', line 22

def update(values)
  values.each do |lexeme|
    lexemes << lexeme unless lexemes.include?(lexeme)
  end
end