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Name	Size	Permission	Date
bigdecimal	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
cgi	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
did_you_mean	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
digest	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
erb	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
error_highlight	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
forwardable	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
io	[ DIR ]	drwxr-xr-x	2026-05-21 12:15
json	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
net	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
objspace	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
open3	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
openssl	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
optparse	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
prism	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
psych	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
random	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
ripper	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
set	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
strscan	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
syntax_suggest	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
unicode_normalize	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
uri	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
vendor_ruby	[ DIR ]	drwxr-xr-x	2026-05-21 12:15
yaml	[ DIR ]	drwxr-xr-x	2026-06-09 06:32
English.rb	5.96 KB	-rw-r--r--	2026-05-21 12:15
bundled_gems.rb	8.41 KB	-rw-r--r--	2026-05-21 12:15
cgi.rb	311 B	-rw-r--r--	2026-05-21 12:15
coverage.rb	517 B	-rw-r--r--	2026-05-21 12:15
date.rb	1.17 KB	-rw-r--r--	2026-05-21 12:15
delegate.rb	11.96 KB	-rw-r--r--	2026-05-21 12:15
did_you_mean.rb	4.51 KB	-rw-r--r--	2026-05-21 12:15
digest.rb	3.3 KB	-rw-r--r--	2026-05-21 12:15
erb.rb	32.57 KB	-rw-r--r--	2026-05-21 12:15
error_highlight.rb	84 B	-rw-r--r--	2026-05-21 12:15
expect.rb	2.19 KB	-rw-r--r--	2026-05-21 12:15
fileutils.rb	79.18 KB	-rw-r--r--	2026-05-21 12:15
find.rb	2.54 KB	-rw-r--r--	2026-05-21 12:15
forwardable.rb	8.81 KB	-rw-r--r--	2026-05-21 12:15
ipaddr.rb	22.86 KB	-rw-r--r--	2026-05-21 12:15
json.rb	21.45 KB	-rw-r--r--	2026-05-21 12:15
mkmf.rb	93.16 KB	-rw-r--r--	2026-05-21 12:15
monitor.rb	6.97 KB	-rw-r--r--	2026-05-21 12:15
objspace.rb	4.14 KB	-rw-r--r--	2026-05-21 12:15
open-uri.rb	28.58 KB	-rw-r--r--	2026-05-21 12:15
open3.rb	47.51 KB	-rw-r--r--	2026-05-21 12:15
openssl.rb	1.24 KB	-rw-r--r--	2026-05-21 12:15
optionparser.rb	59 B	-rw-r--r--	2026-05-21 12:15
optparse.rb	65.44 KB	-rw-r--r--	2026-05-21 12:15
pathname.rb	2 KB	-rw-r--r--	2026-05-21 12:15
pp.rb	19.21 KB	-rw-r--r--	2026-05-21 12:15
prettyprint.rb	15.95 KB	-rw-r--r--	2026-05-21 12:15
prism.rb	3.74 KB	-rw-r--r--	2026-05-21 12:15
psych.rb	26.05 KB	-rw-r--r--	2026-05-21 12:15
resolv.rb	88.39 KB	-rw-r--r--	2026-05-21 12:15
ripper.rb	2.44 KB	-rw-r--r--	2026-05-21 12:15
securerandom.rb	2.28 KB	-rw-r--r--	2026-05-21 12:15
shellwords.rb	7.53 KB	-rw-r--r--	2026-05-21 12:15
singleton.rb	5.59 KB	-rw-r--r--	2026-05-21 12:15
socket.rb	61.26 KB	-rw-r--r--	2026-05-21 12:15
syntax_suggest.rb	74 B	-rw-r--r--	2026-05-21 12:15
tempfile.rb	20.7 KB	-rw-r--r--	2026-05-21 12:15
time.rb	24.01 KB	-rw-r--r--	2026-05-21 12:15
timeout.rb	10.48 KB	-rw-r--r--	2026-05-21 12:15
tmpdir.rb	5.62 KB	-rw-r--r--	2026-05-21 12:15
tsort.rb	14.36 KB	-rw-r--r--	2026-05-21 12:15
un.rb	11.17 KB	-rw-r--r--	2026-05-21 12:15
uri.rb	3.09 KB	-rw-r--r--	2026-05-21 12:15
weakref.rb	1.39 KB	-rw-r--r--	2026-05-21 12:15
yaml.rb	2.16 KB	-rw-r--r--	2026-05-21 12:15

Rename

# frozen_string_literal: true

require 'objspace.so'

module ObjectSpace
  class << self
    private :_dump
    private :_dump_all
    private :_dump_shapes
  end

module_function

# Dump the contents of a ruby object as JSON.
  #
  # _output_ can be one of: +:stdout+, +:file+, +:string+, or IO object.
  #
  # * +:file+ means dumping to a tempfile and returning corresponding File object;
  # * +:stdout+ means printing the dump and returning +nil+;
  # * +:string+ means returning a string with the dump;
  # * if an instance of IO object is provided, the output goes there, and the object
  #   is returned.
  #
  # This method is only expected to work with C Ruby.
  # This is an experimental method and is subject to change.
  # In particular, the function signature and output format are
  # not guaranteed to be compatible in future versions of ruby.
  def dump(obj, output: :string)
    out = case output
    when :file, nil
      require 'tempfile'
      Tempfile.create(%w(rubyobj .json))
    when :stdout
      STDOUT
    when :string
      +''
    when IO
      output
    else
      raise ArgumentError, "wrong output option: #{output.inspect}"
    end

ret = _dump(obj, out)
    return nil if output == :stdout
    ret
  end

# Dump the contents of the ruby heap as JSON.
  #
  # _output_ argument is the same as for #dump.
  #
  # _full_ must be a boolean. If true, all heap slots are dumped including the empty ones (+T_NONE+).
  #
  # _since_ must be a non-negative integer or +nil+.
  #
  # If _since_ is a positive integer, only objects of that generation and
  # newer generations are dumped. The current generation can be accessed using
  # GC::count. Objects that were allocated without object allocation tracing enabled
  # are ignored. See ::trace_object_allocations for more information and
  # examples.
  #
  # If _since_ is omitted or is +nil+, all objects are dumped.
  #
  # _shapes_ must be a boolean or a non-negative integer.
  #
  # If _shapes_ is a positive integer, only shapes newer than the provided
  # shape id are dumped. The current shape_id can be accessed using <tt>RubyVM.stat(:next_shape_id)</tt>.
  #
  # If _shapes_ is +false+, no shapes are dumped.
  #
  # To only dump objects allocated past a certain point you can combine _since_ and _shapes_:
  #   ObjectSpace.trace_object_allocations
  #   GC.start
  #   gc_generation = GC.count
  #   shape_generation = RubyVM.stat(:next_shape_id)
  #   call_method_to_instrument
  #   ObjectSpace.dump_all(since: gc_generation, shapes: shape_generation)
  #
  # This method is only expected to work with C Ruby.
  # This is an experimental method and is subject to change.
  # In particular, the function signature and output format are
  # not guaranteed to be compatible in future versions of ruby.
  def dump_all(output: :file, full: false, since: nil, shapes: true)
    out = case output
    when :file, nil
      require 'tempfile'
      Tempfile.create(%w(rubyheap .json))
    when :stdout
      STDOUT
    when :string
      +''
    when IO
      output
    else
      raise ArgumentError, "wrong output option: #{output.inspect}"
    end

shapes = 0 if shapes == true
    ret = _dump_all(out, full, since, shapes)
    return nil if output == :stdout
    ret
  end

#  Dump the contents of the ruby shape tree as JSON.
  #
  #  _output_ argument is the same as for #dump.
  #
  #  If _since_ is a positive integer, only shapes newer than the provided
  #  shape id are dumped. The current shape_id can be accessed using <tt>RubyVM.stat(:next_shape_id)</tt>.
  #
  #  This method is only expected to work with C Ruby.
  #  This is an experimental method and is subject to change.
  #  In particular, the function signature and output format are
  #  not guaranteed to be compatible in future versions of ruby.
  def dump_shapes(output: :file, since: 0)
    out = case output
    when :file, nil
      require 'tempfile'
      Tempfile.create(%w(rubyshapes .json))
    when :stdout
      STDOUT
    when :string
      +''
    when IO
      output
    else
      raise ArgumentError, "wrong output option: #{output.inspect}"
    end

ret = _dump_shapes(out, since)
    return nil if output == :stdout
    ret
  end
end