class RuboCop::AST::NodePattern::Compiler

def initialize
  @temp_depth = 0 # avoid name clashes between temp variables
  @captures = 0 # number of captures seen
  @positional_parameters = 0 # highest % (param) number seen
  @named_parameters = Set[] # keyword parameters
  @binding = Binding.new # bound variables
  @atom_subcompiler = self.class::AtomSubcompiler.new(self)
end