module Byebug::Helpers::VarHelper

# File lib/byebug/helpers/var.rb, line 58
def var_args
  args = context.frame.args
  return if args == [[:rest]]

  all_locals = context.frame.locals
  arg_values = args.map { |arg| arg[1] }

  locals = all_locals.select { |k, _| arg_values.include?(k) }
  puts prv(locals.keys.sort.map { |k| [k, locals[k]] }, "instance")
end

# File lib/byebug/helpers/var.rb, line 37
def var_global
  globals = global_variables.reject do |v|
    %i[$IGNORECASE $= $KCODE $-K $binding].include?(v)
  end

  var_list(globals)
end

# File lib/byebug/helpers/var.rb, line 45
def var_instance(str)
  obj = warning_eval(str || "self")

  var_list(obj.instance_variables, obj.instance_eval { binding })
end

# File lib/byebug/helpers/var.rb, line 13
      def var_list(ary, binding = context.frame._binding)
        vars = ary.sort.map do |name|
          code = name.to_s

          if code == "$SAFE"
            code = <<~RUBY
              original_stderr = $stderr

              begin
                $stderr = StringIO.new

                #{code}
              ensure
                $stderr = original_stderr
              end
            RUBY
          end

          [name, safe_inspect(silent_eval(code, binding))]
        end

        puts prv(vars, "instance")
      end

# File lib/byebug/helpers/var.rb, line 51
def var_local
  locals = context.frame.locals
  cur_self = context.frame._self
  locals[:self] = cur_self unless cur_self.to_s == "main"
  puts prv(locals.keys.sort.map { |k| [k, locals[k]] }, "instance")
end