ruby: list methods (group by class/module)

1. ruby: list methods (group by class or module).rb

class A
  def im; end
  def self.cm; end
end

def superclasses c
  r = []
  while c.superclass
    r << c.superclass
    c = c.superclass
  end
  r
end

def included_modules c
  if c.superclass
    c.included_modules - c.superclass.included_modules
  else
    c.included_modules
  end
end

c = A
puts "#{c}: superclasses: " + superclasses(c).join(', ')
puts "#{c}: ancestors: " + c.ancestors.join(', ')
([c] + superclasses(c)).each do |c|
  puts c.name + ': included_modules: ' + included_modules(c).join(', ')
end

puts 'instance methods:'
c.ancestors.each do |c|
  puts "  #{c.name}:"
  c.instance_methods(false).sort.each do |m|
    puts "    #{m}"
  end
end

puts 'class methods:'
puts "  #{c.name}:"
c.methods(false).sort.each do |m|
  puts "    #{m}"
end
c.class.ancestors.each do |c|
  puts "  #{c.name}:"
  c.instance_methods(false).sort.each do |m|
    puts "    #{m}"
  end
end

2. output.txt

A: superclasses: Object, BasicObject
A: ancestors: A, Object, Kernel, BasicObject
A: included_modules: 
Object: included_modules: Kernel
BasicObject: included_modules: 
instance methods:
  A:
    im
  Object:
  Kernel:
    !~
    <=>
    ===
    =~
    class
    clone
    define_singleton_method
    display
    dup
    enum_for
    eql?
    extend
    freeze
    frozen?
    hash
    inspect
    instance_of?
    instance_variable_defined?
    instance_variable_get
    instance_variable_set
    instance_variables
    is_a?
    itself
    kind_of?
    method
    methods
    nil?
    object_id
    private_methods
    protected_methods
    public_method
    public_methods
    public_send
    remove_instance_variable
    respond_to?
    send
    singleton_class
    singleton_method
    singleton_methods
    taint
    tainted?
    tap
    then
    to_enum
    to_s
    trust
    untaint
    untrust
    untrusted?
    yield_self
  BasicObject:
    !
    !=
    ==
    __id__
    __send__
    equal?
    instance_eval
    instance_exec
class methods:
  A:
    cm
  Class:
    allocate
    new
    superclass
  Module:
    <
    <=
    <=>
    ==
    ===
    >
    >=
    alias_method
    ancestors
    attr
    attr_accessor
    attr_reader
    attr_writer
    autoload
    autoload?
    class_eval
    class_exec
    class_variable_defined?
    class_variable_get
    class_variable_set
    class_variables
    const_defined?
    const_get
    const_missing
    const_set
    constants
    define_method
    deprecate_constant
    freeze
    include
    include?
    included_modules
    inspect
    instance_method
    instance_methods
    method_defined?
    module_eval
    module_exec
    name
    prepend
    private_class_method
    private_constant
    private_instance_methods
    private_method_defined?
    protected_instance_methods
    protected_method_defined?
    public_class_method
    public_constant
    public_instance_method
    public_instance_methods
    public_method_defined?
    remove_class_variable
    remove_method
    singleton_class?
    to_s
    undef_method
  Object:
  Kernel:
    !~
    <=>
    ===
    =~
    class
    clone
    define_singleton_method
    display
    dup
    enum_for
    eql?
    extend
    freeze
    frozen?
    hash
    inspect
    instance_of?
    instance_variable_defined?
    instance_variable_get
    instance_variable_set
    instance_variables
    is_a?
    itself
    kind_of?
    method
    methods
    nil?
    object_id
    private_methods
    protected_methods
    public_method
    public_methods
    public_send
    remove_instance_variable
    respond_to?
    send
    singleton_class
    singleton_method
    singleton_methods
    taint
    tainted?
    tap
    then
    to_enum
    to_s
    trust
    untaint
    untrust
    untrusted?
    yield_self
  BasicObject:
    !
    !=
    ==
    __id__
    __send__
    equal?
    instance_eval
    instance_exec