module Byebug::Helpers::VarHelper

Utilities for variable subcommands

Public Instance Methods

var_args() click to toggle source
# File lib/byebug/helpers/var.rb, line 40
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
var_global() click to toggle source
# File lib/byebug/helpers/var.rb, line 19
def var_global
  globals = global_variables.reject do |v|
    [:$IGNORECASE, :$=, :$KCODE, :$-K, :$binding].include?(v)
  end

  var_list(globals)
end
var_instance(str) click to toggle source
# File lib/byebug/helpers/var.rb, line 27
def var_instance(str)
  obj = single_thread_eval(str || 'self')

  var_list(obj.instance_variables, obj.instance_eval { binding })
end
var_list(ary, binding = context.frame._binding) click to toggle source
# File lib/byebug/helpers/var.rb, line 11
def var_list(ary, binding = context.frame._binding)
  vars = ary.sort.map do |name|
    [name, safe_inspect(silent_eval(name.to_s, binding))]
  end

  puts prv(vars, 'instance')
end
var_local() click to toggle source
# File lib/byebug/helpers/var.rb, line 33
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

Private Instance Methods

safe_inspect(var) click to toggle source
# File lib/byebug/helpers/var.rb, line 53
def safe_inspect(var)
  var.inspect
rescue
  safe_to_s(var)
end
safe_to_s(var) click to toggle source
# File lib/byebug/helpers/var.rb, line 59
def safe_to_s(var)
  var.to_s
rescue
  '*Error in evaluation*'
end