Class: DeepCover::Node::EmptyBody

Inherits:
DeepCover::Node show all
Defined in:
lib/deep_cover/node/empty_body.rb

Direct Known Subclasses

TrivialBranch

Constant Summary

Constants inherited from DeepCover::Node

CLASSES, Complex, Cvasgn, Dsym, Erange, Float, Int, Ivar, Kwarg, Kwoptarg, Kwrestarg, OrAsgn, Rational, Sym, True, Zsuper

Instance Attribute Summary

Attributes inherited from DeepCover::Node

#base_node, #children, #index, #next_sibling, #parent, #previous_sibling

Instance Method Summary collapse

Methods inherited from DeepCover::Node

#[], [], atom, #children_nodes, #covered_code, define_module_class, #each_node, #fancy_type, #find_all, has_evaluated_segments, inherited, #simple_literal?, #to_s, #type

Methods included from Memoize

#freeze, included

Constructor Details

#initialize(base_node, parent:, index: 0, position: ChildCanBeEmpty.last_empty_position) ⇒ EmptyBody

Returns a new instance of EmptyBody.



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# File 'lib/deep_cover/node/empty_body.rb', line 5

def initialize(base_node, parent:, index: 0, position: ChildCanBeEmpty.last_empty_position)
  @position = position
  super(base_node, parent: parent, index: index, base_children: [])
end

Instance Method Details

#is_statement ⇒ Object 



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# File 'lib/deep_cover/node/empty_body.rb', line 15

def is_statement
  false
end

#loc_hash ⇒ Object 



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# File 'lib/deep_cover/node/empty_body.rb', line 10

def loc_hash
  return {} if @position == true
  {expression: @position}
end

#rewriting_rules ⇒ Object

When parent rewrites us, the %node must always be at the beginning because our location can also be rewritten by our parent, and we want the rewrite to be after it.



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# File 'lib/deep_cover/node/empty_body.rb', line 21

def rewriting_rules
  rules = super
  rules.map do |expression, rule|
    [expression, "%{node};#{rule.sub('%{node}', 'nil;')}"]
  end
end