Class: NodeCountVisitor

Inherits:
Object
  • Object
show all
Defined in:
lib/visitor/node_count_visitor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NodeCountVisitor

Returns a new instance of NodeCountVisitor.



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# File 'lib/visitor/node_count_visitor.rb', line 4

def initialize
  @count = 0
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/visitor/node_count_visitor.rb', line 2

def count
  @count
end

Instance Method Details

#postVisit(node) ⇒ Object 



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# File 'lib/visitor/node_count_visitor.rb', line 13

def postVisit(node)
  # do nothing
end

#preVisit(node) ⇒ Object 



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# File 'lib/visitor/node_count_visitor.rb', line 8

def preVisit(node)
  @count += 1
  return true
end