Class: IntervalSkipList::HeadNode

Inherits:
Object
  • Object
show all
Defined in:
lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb

Direct Known Subclasses

Node

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(height) ⇒ HeadNode

Returns a new instance of HeadNode.



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# File 'lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb', line 5

def initialize(height)
  @height = height
  @forward = Array.new(height, nil)
  @forward_markers = Array.new(height) {|i| []}
end

Instance Attribute Details

#forward ⇒ Object (readonly)

Returns the value of attribute forward.



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# File 'lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb', line 3

def forward
  @forward
end

#forward_markers ⇒ Object (readonly)

Returns the value of attribute forward_markers.



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# File 'lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb', line 3

def forward_markers
  @forward_markers
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb', line 3

def height
  @height
end

Instance Method Details

#top_level ⇒ Object 



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# File 'lib/gems/treetop-1.2.4/lib/treetop/runtime/interval_skip_list/head_node.rb', line 11

def top_level
  height - 1
end