Class: SyntaxTree::Bf::Format

Inherits:
Visitor
  • Object
show all
Defined in:
lib/syntax_tree/bf/format.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Visitor

#visit, #visit_all, #visit_child_nodes

Constructor Details

#initialize(q) ⇒ Format

Returns a new instance of Format.



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# File 'lib/syntax_tree/bf/format.rb', line 8

def initialize(q)
  @q = q
end

Instance Attribute Details

#q ⇒ Object (readonly)

Returns the value of attribute q.



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# File 'lib/syntax_tree/bf/format.rb', line 6

def q
  @q
end

Instance Method Details

#visit_decrement(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 33

def visit_decrement(node)
  q.text("-")
end

#visit_increment(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 29

def visit_increment(node)
  q.text("+")
end

#visit_input(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 45

def visit_input(node)
  q.text(",")
end

#visit_loop(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 17

def visit_loop(node)
  q.group do
    q.text("[")
    q.nest(2) do
      q.breakable("")
      super
    end
    q.breakable("")
    q.text("]")
  end
end

#visit_output(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 49

def visit_output(node)
  q.text(".")
end

#visit_root(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 12

def visit_root(node)
  super
  q.breakable(force: true)
end

#visit_shift_left(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 41

def visit_shift_left(node)
  q.text("<")
end

#visit_shift_right(node) ⇒ Object 



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# File 'lib/syntax_tree/bf/format.rb', line 37

def visit_shift_right(node)
  q.text(">")
end