Class: Journey::Visitors::Dot

Inherits:
Visitor
  • Object
show all
Defined in:
lib/journey/visitors.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dot

Returns a new instance of Dot.



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# File 'lib/journey/visitors.rb', line 121

def initialize
  @nodes = []
  @edges = []
end

Instance Method Details

#accept(node) ⇒ Object 



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# File 'lib/journey/visitors.rb', line 126

def accept node
  super
  <<-eodot
digraph parse_tree {
  size="8,5"
  node [shape = none];
  edge [dir = none];
  #{@nodes.join "\n"}
  #{@edges.join("\n")}
}
  eodot
end