# module Byebug::VarFunctions

Utilities for the var command.

### Public Instance Methods

var_all(_str = nil) click to toggle source

    # File lib/byebug/commands/var.rb, line 53
    def var_all(_str = nil)
      var_global
      var_instance('self')
      var_local
    end

var_constant(str) click to toggle source

    # File lib/byebug/commands/var.rb, line 37
    def var_constant(str)
      str ||= 'self.class'
      obj = bb_warning_eval(str)
      is_mod = obj.is_a?(Module)
      return errmsg(pr('variable.errors.not_module', object: str)) unless is_mod

      constants = bb_eval("#{str}.constants")
      puts prv(constants.sort.map { |c| [c, obj.const_get(c)] })
    end

var_global(_str = nil) click to toggle source

    # File lib/byebug/commands/var.rb, line 24
    def var_global(_str = nil)
      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/commands/var.rb, line 32
    def var_instance(str)
      obj = bb_warning_eval(str || 'self')
      var_list(obj.instance_variables, obj.instance_eval { binding })
    end

var_list(ary, b = get_binding) click to toggle source

    # File lib/byebug/commands/var.rb, line 8
    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)
    end

var_local(_str = nil) click to toggle source

    # File lib/byebug/commands/var.rb, line 47
    def var_local(_str = nil)
      _self = @state.context.frame_self(@state.frame)
      locals = @state.context.frame_locals
      puts prv(locals.keys.sort.map { |k| [k, locals[k]] })
    end