# File lib/brakeman/processors/alias_processor.rb, line 23
  def initialize tracker = nil, file_name = nil
    super()
    @env = SexpProcessor::Environment.new
    @inside_if = false
    @ignore_ifs = nil
    @exp_context = []
    @current_module = nil
    @tracker = tracker #set in subclass as necessary
    @helper_method_cache = {}
    @helper_method_info = Hash.new({})
    @or_depth_limit = (tracker && tracker.options[:branch_limit]) || 5 #arbitrary default
    @meth_env = nil
    @file_name = file_name
    set_env_defaults
  end