Class: RKelly::Lexeme

Inherits:
Object
  • Object
show all
Defined in:
lib/rkelly/lexeme.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, pattern, &block) ⇒ Lexeme

Returns a new instance of Lexeme.



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# File 'lib/rkelly/lexeme.rb', line 6

def initialize(name, pattern, &block)
  @name       = name
  @pattern    = pattern
  @block      = block
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/rkelly/lexeme.rb', line 5

def name
  @name
end

#pattern ⇒ Object (readonly)

Returns the value of attribute pattern.



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# File 'lib/rkelly/lexeme.rb', line 5

def pattern
  @pattern
end

Instance Method Details

#match(string) ⇒ Object 



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# File 'lib/rkelly/lexeme.rb', line 12

def match(string)
  match = pattern.match(string)
  return Token.new(name, match.to_s, &@block) if match
  match
end