module Byebug::Helpers::VarHelper

def var_global
  globals = global_variables.reject do |v|
    [:$IGNORECASE, :$=, :$KCODE, :$-K, :$binding].include?(v)
  end
  var_list(globals)
end

def var_instance(str)
  obj = bb_warning_eval(str || 'self')
  var_list(obj.instance_variables, obj.instance_eval { binding })
end

def var_list(ary, b = get_binding)
  vars = ary.sort.map do |v|
    s = begin
      b.eval(v.to_s).inspect
    rescue
      begin
        b.eval(v.to_s).to_s
      rescue
        '*Error in evaluation*'
      end
    end
    [v, s]
  end
  puts prv(vars, 'instance')
end

def var_local
  locals = @state.context.frame_locals
  cur_self = @state.context.frame_self(@state.frame)
  locals[:self] = cur_self unless cur_self.to_s == 'main'
  puts prv(locals.keys.sort.map { |k| [k, locals[k]] }, 'instance')
end