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ðŸ“ ..
ðŸ“„ English.rb(6.11 KB)
ðŸ“„ abbrev.rb(3.45 KB)
ðŸ“„ base64.rb(3.3 KB)
ðŸ“ benchmark
ðŸ“„ benchmark.rb(18.02 KB)
ðŸ“ bigdecimal
ðŸ“„ bigdecimal.rb(24 B)
ðŸ“ cgi
ðŸ“„ cgi.rb(9.82 KB)
ðŸ“„ coverage.rb(368 B)
ðŸ“ csv
ðŸ“„ csv.rb(86.71 KB)
ðŸ“„ date.rb(1.02 KB)
ðŸ“„ debug.rb(30.3 KB)
ðŸ“„ delegate.rb(11.68 KB)
ðŸ“ did_you_mean
ðŸ“„ did_you_mean.rb(3.85 KB)
ðŸ“ digest
ðŸ“„ digest.rb(2.83 KB)
ðŸ“ drb
ðŸ“„ drb.rb(50 B)
ðŸ“„ erb.rb(28.81 KB)
ðŸ“„ expect.rb(2.17 KB)
ðŸ“ fiddle
ðŸ“„ fiddle.rb(2.11 KB)
ðŸ“„ fileutils.rb(48.26 KB)
ðŸ“„ find.rb(2.47 KB)
ðŸ“ forwardable
ðŸ“„ forwardable.rb(8.98 KB)
ðŸ“„ getoptlong.rb(15.45 KB)
ðŸ“ io
ðŸ“„ ipaddr.rb(19.52 KB)
ðŸ“ json
ðŸ“„ json.rb(19.3 KB)
ðŸ“„ kconv.rb(5.72 KB)
ðŸ“ logger
ðŸ“„ logger.rb(16.48 KB)
ðŸ“ matrix
ðŸ“„ matrix.rb(61.83 KB)
ðŸ“„ mkmf.rb(86.59 KB)
ðŸ“„ monitor.rb(6.76 KB)
ðŸ“„ mutex_m.rb(2.23 KB)
ðŸ“ net
ðŸ“„ objspace.rb(2.66 KB)
ðŸ“„ observer.rb(6.38 KB)
ðŸ“„ open-uri.rb(24.74 KB)
ðŸ“„ open3.rb(21.93 KB)
ðŸ“ openssl
ðŸ“„ openssl.rb(1.06 KB)
ðŸ“„ optionparser.rb(59 B)
ðŸ“ optparse
ðŸ“„ optparse.rb(60.34 KB)
ðŸ“„ ostruct.rb(12.38 KB)
ðŸ“„ pathname.rb(16.46 KB)
ðŸ“„ pp.rb(15.85 KB)
ðŸ“„ prettyprint.rb(15.9 KB)
ðŸ“„ prime.rb(15.13 KB)
ðŸ“„ pstore.rb(14.73 KB)
ðŸ“ psych
ðŸ“„ psych.rb(22.4 KB)
ðŸ“ racc
ðŸ“„ racc.rb(137 B)
ðŸ“„ readline.rb(113 B)
ðŸ“ reline
ðŸ“„ reline.rb(13.9 KB)
ðŸ“„ resolv-replace.rb(1.76 KB)
ðŸ“„ resolv.rb(74.18 KB)
ðŸ“ rinda
ðŸ“ ripper
ðŸ“„ ripper.rb(2.44 KB)
ðŸ“„ securerandom.rb(8.86 KB)
ðŸ“ set
ðŸ“„ set.rb(19.42 KB)
ðŸ“„ shellwords.rb(7.09 KB)
ðŸ“„ singleton.rb(4.08 KB)
ðŸ“„ socket.rb(43.65 KB)
ðŸ“ syslog
ðŸ“„ tempfile.rb(12.43 KB)
ðŸ“„ time.rb(24.27 KB)
ðŸ“„ timeout.rb(4 KB)
ðŸ“„ tmpdir.rb(4.4 KB)
ðŸ“„ tracer.rb(6.5 KB)
ðŸ“„ tsort.rb(14.3 KB)
ðŸ“„ un.rb(10.11 KB)
ðŸ“ unicode_normalize
ðŸ“ uri
ðŸ“„ uri.rb(3.04 KB)
ðŸ“ vendor_ruby
ðŸ“„ weakref.rb(1.46 KB)
ðŸ“ yaml
ðŸ“„ yaml.rb(1.8 KB)

Editing: tracer.rb

# frozen_string_literal: false
#--
# $Release Version: 0.3$
# $Revision: 1.12 $

##
# Outputs a source level execution trace of a Ruby program.
#
# It does this by registering an event handler with Kernel#set_trace_func for
# processing incoming events.  It also provides methods for filtering unwanted
# trace output (see Tracer.add_filter, Tracer.on, and Tracer.off).
#
# == Example
#
# Consider the following Ruby script
#
#   class A
#     def square(a)
#       return a*a
#     end
#   end
#
#   a = A.new
#   a.square(5)
#
# Running the above script using <code>ruby -r tracer example.rb</code> will
# output the following trace to STDOUT (Note you can also explicitly
# <code>require 'tracer'</code>)
#
#   #0:<internal:lib/rubygems/custom_require>:38:Kernel:<: -
#   #0:example.rb:3::-: class A
#   #0:example.rb:3::C: class A
#   #0:example.rb:4::-:   def square(a)
#   #0:example.rb:7::E: end
#   #0:example.rb:9::-: a = A.new
#   #0:example.rb:10::-: a.square(5)
#   #0:example.rb:4:A:>:   def square(a)
#   #0:example.rb:5:A:-:     return a*a
#   #0:example.rb:6:A:<:   end
#    |  |         | |  |
#    |  |         | |   ---------------------+ event
#    |  |         |  ------------------------+ class
#    |  |          --------------------------+ line
#    |   ------------------------------------+ filename
#     ---------------------------------------+ thread
#
# Symbol table used for displaying incoming events:
#
# +}+:: call a C-language routine
# +{+:: return from a C-language routine
# +>+:: call a Ruby method
# +C+:: start a class or module definition
# +E+:: finish a class or module definition
# +-+:: execute code on a new line
# +^+:: raise an exception
# +<+:: return from a Ruby method
#
# == Copyright
#
# by Keiju ISHITSUKA(keiju@ishitsuka.com)
#
class Tracer
  VERSION = "0.1.1"

class << self
    # display additional debug information (defaults to false)
    attr_accessor :verbose
    alias verbose? verbose

# output stream used to output trace (defaults to STDOUT)
    attr_accessor :stdout

# mutex lock used by tracer for displaying trace output
    attr_reader :stdout_mutex

# display process id in trace output (defaults to false)
    attr_accessor :display_process_id
    alias display_process_id? display_process_id

# display thread id in trace output (defaults to true)
    attr_accessor :display_thread_id
    alias display_thread_id? display_thread_id

# display C-routine calls in trace output (defaults to false)
    attr_accessor :display_c_call
    alias display_c_call? display_c_call
  end

Tracer::stdout = STDOUT
  Tracer::verbose = false
  Tracer::display_process_id = false
  Tracer::display_thread_id = true
  Tracer::display_c_call = false

@stdout_mutex = Thread::Mutex.new

# Symbol table used for displaying trace information
  EVENT_SYMBOL = {
    "line" => "-",
    "call" => ">",
    "return" => "<",
    "class" => "C",
    "end" => "E",
    "raise" => "^",
    "c-call" => "}",
    "c-return" => "{",
    "unknown" => "?"
  }

def initialize # :nodoc:
    @threads = Hash.new
    if defined? Thread.main
      @threads[Thread.main.object_id] = 0
    else
      @threads[Thread.current.object_id] = 0
    end

@get_line_procs = {}

@filters = []
  end

def stdout # :nodoc:
    Tracer.stdout
  end

def on # :nodoc:
    if block_given?
      on
      begin
        yield
      ensure
        off
      end
    else
      set_trace_func method(:trace_func).to_proc
      stdout.print "Trace on\n" if Tracer.verbose?
    end
  end

def off # :nodoc:
    set_trace_func nil
    stdout.print "Trace off\n" if Tracer.verbose?
  end

def add_filter(p = nil, &b) # :nodoc:
    p ||= b
    @filters.push p
  end

def set_get_line_procs(file, p = nil, &b) # :nodoc:
    p ||= b
    @get_line_procs[file] = p
  end

def get_line(file, line) # :nodoc:
    if p = @get_line_procs[file]
      return p.call(line)
    end

unless list = SCRIPT_LINES__[file]
      list = File.readlines(file) rescue []
      SCRIPT_LINES__[file] = list
    end

if l = list[line - 1]
      l
    else
      "-\n"
    end
  end

def get_thread_no # :nodoc:
    if no = @threads[Thread.current.object_id]
      no
    else
      @threads[Thread.current.object_id] = @threads.size
    end
  end

def trace_func(event, file, line, id, binding, klass, *) # :nodoc:
    return if file == __FILE__

for p in @filters
      return unless p.call event, file, line, id, binding, klass
    end

return unless Tracer::display_c_call? or
      event != "c-call" && event != "c-return"

Tracer::stdout_mutex.synchronize do
      if EVENT_SYMBOL[event]
        stdout.printf("<%d>", $$) if Tracer::display_process_id?
        stdout.printf("#%d:", get_thread_no) if Tracer::display_thread_id?
        if line == 0
          source = "?\n"
        else
          source = get_line(file, line)
        end
        stdout.printf("%s:%d:%s:%s: %s",
               file,
               line,
               klass || '',
               EVENT_SYMBOL[event],
               source)
      end
    end

end

# Reference to singleton instance of Tracer
  Single = new

##
  # Start tracing
  #
  # === Example
  #
  #   Tracer.on
  #   # code to trace here
  #   Tracer.off
  #
  # You can also pass a block:
  #
  #   Tracer.on {
  #     # trace everything in this block
  #   }

def Tracer.on
    if block_given?
      Single.on{yield}
    else
      Single.on
    end
  end

##
  # Disable tracing

def Tracer.off
    Single.off
  end

##
  # Register an event handler <code>p</code> which is called every time a line
  # in +file_name+ is executed.
  #
  # Example:
  #
  #   Tracer.set_get_line_procs("example.rb", lambda { |line|
  #     puts "line number executed is #{line}"
  #   })

def Tracer.set_get_line_procs(file_name, p = nil, &b)
    p ||= b
    Single.set_get_line_procs(file_name, p)
  end

##
  # Used to filter unwanted trace output
  #
  # Example which only outputs lines of code executed within the Kernel class:
  #
  #   Tracer.add_filter do |event, file, line, id, binding, klass, *rest|
  #     "Kernel" == klass.to_s
  #   end

def Tracer.add_filter(p = nil, &b)
    p ||= b
    Single.add_filter(p)
  end
end

# :stopdoc:
SCRIPT_LINES__ = {} unless defined? SCRIPT_LINES__

if $0 == __FILE__
  # direct call

$0 = ARGV[0]
  ARGV.shift
  Tracer.on
  require $0
else
  # call Tracer.on only if required by -r command-line option
  count = caller.count {|bt| %r%/rubygems/core_ext/kernel_require\.rb:% !~ bt}
  if (defined?(Gem) and count == 0) or
     (!defined?(Gem) and count <= 1)
    Tracer.on
  end
end
# :startdoc:

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