Class: Rgviz::LogicalExpression

Inherits:
Object
  • Object
show all
Defined in:
lib/rgviz/nodes.rb

Constant Summary collapse

And = 
Token::And
Or = 
Token::Or

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operator, operands) ⇒ LogicalExpression

Returns a new instance of LogicalExpression.



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# File 'lib/rgviz/nodes.rb', line 218

def initialize(operator, operands)
  @operator = operator
  @operands = operands
end

Instance Attribute Details

#operands ⇒ Object

Returns the value of attribute operands.



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# File 'lib/rgviz/nodes.rb', line 216

def operands
  @operands
end

#operator ⇒ Object

Returns the value of attribute operator.



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# File 'lib/rgviz/nodes.rb', line 215

def operator
  @operator
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/rgviz/nodes.rb', line 223

def accept(visitor)
  if visitor.visit_logical_expression(self)
    operands.each{|x| x.accept visitor}
  end
  visitor.end_visit_logical_expression self
end

#to_s ⇒ Object 



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# File 'lib/rgviz/nodes.rb', line 230

def to_s
  operands.map(&:to_s).join(" #{operator} ")
end