Class: GDA::Visitors::Dot

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

Constant Summary collapse

HEADER = 
"digraph G { graph [rankdir = \"TB\"];"
"}"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io = StringIO.new) ⇒ Dot

Returns a new instance of Dot.



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# File 'lib/gda/visitors/dot.rb', line 10

def initialize io = StringIO.new
  @stack  = []
  @buffer = io
end

Instance Attribute Details

#stack ⇒ Object (readonly)

Returns the value of attribute stack.



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# File 'lib/gda/visitors/dot.rb', line 8

def stack
  @stack
end

Instance Method Details

#accept(node) ⇒ Object 



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# File 'lib/gda/visitors/dot.rb', line 18

def accept node
  puts HEADER
  super
  puts FOOTER
  @buffer.string
end