Class: Token

Inherits:
Object
  • Object
show all
Defined in:
lib/tokens/token.rb

Defined Under Namespace

Classes: Position

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line = nil, character = nil, value = nil) ⇒ Token

Returns a new instance of Token.



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# File 'lib/tokens/token.rb', line 6

def initialize(line=nil, character=nil, value=nil)
  @subtokens = []
  
  p = Position.new
  p.line = line
  p.character = character
  @position = p
end

Instance Attribute Details

#position ⇒ Object (readonly)

Returns the value of attribute position.



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# File 'lib/tokens/token.rb', line 4

def position
  @position
end

#subtokens ⇒ Object (readonly)

Returns the value of attribute subtokens.



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# File 'lib/tokens/token.rb', line 3

def subtokens
  @subtokens
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/tokens/token.rb', line 2

def value
  @value
end

Class Method Details

.match(other) ⇒ Object 



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# File 'lib/tokens/token.rb', line 42

def match(other)
  other == @symbol
end

.symbol ⇒ Object 



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# File 'lib/tokens/token.rb', line 46

def symbol
  @symbol
end

Instance Method Details

#<<(subtoken) ⇒ Object 



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# File 'lib/tokens/token.rb', line 25

def <<(subtoken)
  @subtokens << subtoken
end

#==(other) ⇒ Object 



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# File 'lib/tokens/token.rb', line 15

def ==(other)
  if(false && other.is_a?(Token))
    return @id == other.id
  elsif(other.is_a?(String))
    return @value == other
  else
    super
  end
end

#inspect ⇒ Object 



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# File 'lib/tokens/token.rb', line 62

def inspect
  ins = ["<"]
  ins << self.class.to_s
  ins << ":'"
  ins << symbol
  ins << "':["
  unless subtokens.nil? or subtokens.empty?
    ins << subtokens.map{|d| d.symbol}.join
  end
  ins << "]>"
  
  ins.join
end

#symbol ⇒ Object 



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# File 'lib/tokens/token.rb', line 33

def symbol
  @symbol || self.class.symbol
end

#symbol=(sym) ⇒ Object 



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# File 'lib/tokens/token.rb', line 37

def symbol=(sym)
  @symbol = sym
end

#to_s ⇒ Object 



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# File 'lib/tokens/token.rb', line 56

def to_s
  ret = [symbol]
  ret += subtokens.map{|t| t.symbol} unless subtokens.nil?
  ret.join
end

#unshift(subtoken) ⇒ Object 



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# File 'lib/tokens/token.rb', line 29

def unshift(subtoken)
  @subtokens.unshift subtoken
end