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ðŸ“ ..
ðŸ“„ English.rb(5.6 KB)
ðŸ“„ Env.rb(274 B)
ðŸ“„ abbrev.rb(2.5 KB)
ðŸ“„ base64.rb(3.37 KB)
ðŸ“„ benchmark.rb(17.73 KB)
ðŸ“ bigdecimal
ðŸ“ cgi
ðŸ“„ cgi-lib.rb(6.89 KB)
ðŸ“„ cgi.rb(73.74 KB)
ðŸ“„ complex.rb(12.84 KB)
ðŸ“„ csv.rb(24.46 KB)
ðŸ“ date
ðŸ“„ date.rb(53.02 KB)
ðŸ“„ date2.rb(128 B)
ðŸ“„ debug.rb(20.61 KB)
ðŸ“„ delegate.rb(8.81 KB)
ðŸ“ digest
ðŸ“„ digest.rb(1.12 KB)
ðŸ“ dl
ðŸ“ drb
ðŸ“„ drb.rb(19 B)
ðŸ“„ e2mmap.rb(4.04 KB)
ðŸ“„ erb.rb(21.38 KB)
ðŸ“„ eregex.rb(487 B)
ðŸ“„ expect.rb(633 B)
ðŸ“„ fileutils.rb(42.23 KB)
ðŸ“„ finalize.rb(5.38 KB)
ðŸ“„ find.rb(1.84 KB)
ðŸ“„ forwardable.rb(6.16 KB)
ðŸ“„ ftools.rb(6.17 KB)
ðŸ“„ generator.rb(8.1 KB)
ðŸ“„ getoptlong.rb(14.88 KB)
ðŸ“„ getopts.rb(2.25 KB)
ðŸ“„ gserver.rb(6.43 KB)
ðŸ“„ importenv.rb(590 B)
ðŸ“ io
ðŸ“„ ipaddr.rb(21.96 KB)
ðŸ“ irb
ðŸ“„ irb.rb(7.43 KB)
ðŸ“„ jcode.rb(4.3 KB)
ðŸ“„ kconv.rb(8.12 KB)
ðŸ“„ logger.rb(17.59 KB)
ðŸ“„ mailread.rb(1.28 KB)
ðŸ“„ mathn.rb(5.42 KB)
ðŸ“„ matrix.rb(27.21 KB)
ðŸ“„ md5.rb(411 B)
ðŸ“„ mkmf.rb(50.65 KB)
ðŸ“„ monitor.rb(7.93 KB)
ðŸ“„ mutex_m.rb(2.07 KB)
ðŸ“ net
ðŸ“„ observer.rb(5.15 KB)
ðŸ“„ open-uri.rb(20.49 KB)
ðŸ“„ open3.rb(2.1 KB)
ðŸ“ openssl
ðŸ“„ openssl.rb(575 B)
ðŸ“ optparse
ðŸ“„ optparse.rb(47.12 KB)
ðŸ“„ ostruct.rb(3.35 KB)
ðŸ“„ parsearg.rb(1.55 KB)
ðŸ“„ parsedate.rb(1.33 KB)
ðŸ“„ pathname.rb(29.39 KB)
ðŸ“„ ping.rb(1.48 KB)
ðŸ“„ pp.rb(15.97 KB)
ðŸ“„ prettyprint.rb(18.33 KB)
ðŸ“„ profile.rb(90 B)
ðŸ“„ profiler.rb(1.59 KB)
ðŸ“„ pstore.rb(11.15 KB)
ðŸ“ racc
ðŸ“„ rational.rb(12.05 KB)
ðŸ“ rdoc
ðŸ“„ readbytes.rb(835 B)
ðŸ“„ resolv-replace.rb(1.55 KB)
ðŸ“„ resolv.rb(56.83 KB)
ðŸ“ rexml
ðŸ“ rinda
ðŸ“ rss
ðŸ“„ rss.rb(504 B)
ðŸ“„ rubyunit.rb(180 B)
ðŸ“ runit
ðŸ“„ scanf.rb(20.63 KB)
ðŸ“„ securerandom.rb(4.27 KB)
ðŸ“„ set.rb(27.08 KB)
ðŸ“„ sha1.rb(418 B)
ðŸ“ shell
ðŸ“„ shell.rb(4.66 KB)
ðŸ“„ shellwords.rb(3.99 KB)
ðŸ“„ singleton.rb(8.08 KB)
ðŸ“ soap
ðŸ“„ sync.rb(6.09 KB)
ðŸ“„ tempfile.rb(4.86 KB)
ðŸ“ test
ðŸ“„ thread.rb(104 B)
ðŸ“„ thwait.rb(4.32 KB)
ðŸ“„ time.rb(31.58 KB)
ðŸ“„ timeout.rb(3 KB)
ðŸ“„ tmpdir.rb(3.69 KB)
ðŸ“„ tracer.rb(2.73 KB)
ðŸ“„ tsort.rb(7.99 KB)
ðŸ“„ un.rb(4.54 KB)
ðŸ“ uri
ðŸ“„ uri.rb(710 B)
ðŸ“„ weakref.rb(2.68 KB)
ðŸ“ webrick
ðŸ“„ webrick.rb(811 B)
ðŸ“ wsdl
ðŸ“ x86_64-linux
ðŸ“ xmlrpc
ðŸ“ xsd
ðŸ“ yaml
ðŸ“„ yaml.rb(12.36 KB)

Editing: irb.rb

#
#   irb.rb - irb main module
#   	$Release Version: 0.9.5 $
#   	$Revision: 24483 $
#   	$Date: 2009-08-09 17:44:15 +0900 (Sun, 09 Aug 2009) $
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#
require "e2mmap"

require "irb/init"
require "irb/context"
require "irb/extend-command"
#require "irb/workspace"

require "irb/ruby-lex"
require "irb/input-method"
require "irb/locale"

STDOUT.sync = true

module IRB
  @RCS_ID='-$Id: irb.rb 24483 2009-08-09 08:44:15Z shyouhei $-'

class Abort < Exception;end

#
  @CONF = {}

def IRB.conf
    @CONF
  end

# IRB version method
  def IRB.version
    if v = @CONF[:VERSION] then return v end

require "irb/version"
    rv = @RELEASE_VERSION.sub(/\.0/, "")
    @CONF[:VERSION] = format("irb %s(%s)", rv, @LAST_UPDATE_DATE)
  end

def IRB.CurrentContext
    IRB.conf[:MAIN_CONTEXT]
  end

# initialize IRB and start TOP_LEVEL irb
  def IRB.start(ap_path = nil)
    $0 = File::basename(ap_path, ".rb") if ap_path

IRB.setup(ap_path)

if @CONF[:SCRIPT]
      irb = Irb.new(nil, @CONF[:SCRIPT])
    else
      irb = Irb.new
    end

@CONF[:IRB_RC].call(irb.context) if @CONF[:IRB_RC]
    @CONF[:MAIN_CONTEXT] = irb.context

trap("SIGINT") do
      irb.signal_handle
    end

begin
      catch(:IRB_EXIT) do
	irb.eval_input
      end
    ensure
      irb_at_exit
    end
#    print "\n"
  end

def IRB.irb_at_exit
    @CONF[:AT_EXIT].each{|hook| hook.call}
  end

def IRB.irb_exit(irb, ret)
    throw :IRB_EXIT, ret
  end

def IRB.irb_abort(irb, exception = Abort)
    if defined? Thread
      irb.context.thread.raise exception, "abort then interrupt!!"
    else
      raise exception, "abort then interrupt!!"
    end
  end

#
  # irb interpriter main routine 
  #
  class Irb
    def initialize(workspace = nil, input_method = nil, output_method = nil)
      @context = Context.new(self, workspace, input_method, output_method)
      @context.main.extend ExtendCommandBundle
      @signal_status = :IN_IRB

@scanner = RubyLex.new
      @scanner.exception_on_syntax_error = false
    end
    attr_reader :context
    attr_accessor :scanner

def eval_input
      @scanner.set_prompt do
	|ltype, indent, continue, line_no|
	if ltype
	  f = @context.prompt_s
	elsif continue
	  f = @context.prompt_c
	elsif indent > 0
	  f = @context.prompt_n
	else @context.prompt_i
	  f = @context.prompt_i
	end
	f = "" unless f
	if @context.prompting?
	  @context.io.prompt = p = prompt(f, ltype, indent, line_no)
	else
	  @context.io.prompt = p = ""
	end
	if @context.auto_indent_mode
	  unless ltype
            ind = prompt(@context.prompt_i, ltype, indent, line_no)[/.*\z/].size +
	      indent * 2 - p.size
	    ind += 2 if continue
	    @context.io.prompt = p + " " * ind if ind > 0
	  end
	end
      end
       
      @scanner.set_input(@context.io) do
	signal_status(:IN_INPUT) do
	  if l = @context.io.gets
	    print l if @context.verbose?
	  else
	    if @context.ignore_eof? and @context.io.readable_atfer_eof?
	      l = "\n"
	      if @context.verbose?
		printf "Use \"exit\" to leave %s\n", @context.ap_name
	      end
	    end
	  end
	  l
	end
      end

@scanner.each_top_level_statement do |line, line_no|
	signal_status(:IN_EVAL) do
	  begin
            line.untaint
	    @context.evaluate(line, line_no)
	    output_value if @context.echo?
	    exc = nil
	  rescue Interrupt => exc
	  rescue SystemExit, SignalException
	    raise
	  rescue Exception => exc
	  end
	  if exc
	    print exc.class, ": ", exc, "\n"
	    if exc.backtrace[0] =~ /irb(2)?(\/.*|-.*|\.rb)?:/ && exc.class.to_s !~ /^IRB/
	      irb_bug = true 
	    else
	      irb_bug = false
	    end
	    
	    messages = []
	    lasts = []
	    levels = 0
	    for m in exc.backtrace
	      m = @context.workspace.filter_backtrace(m) unless irb_bug
	      if m
		if messages.size < @context.back_trace_limit
		  messages.push "\tfrom "+m
		else
		  lasts.push "\tfrom "+m
		  if lasts.size > @context.back_trace_limit
		    lasts.shift 
		    levels += 1
		  end
		end
	      end
	    end
	    print messages.join("\n"), "\n"
	    unless lasts.empty?
	      printf "... %d levels...\n", levels if levels > 0
	      print lasts.join("\n")
	    end
	    print "Maybe IRB bug!!\n" if irb_bug
	  end
          if $SAFE > 2
            abort "Error: irb does not work for $SAFE level higher than 2"
          end
	end
      end
    end

def suspend_name(path = nil, name = nil)
      @context.irb_path, back_path = path, @context.irb_path if path
      @context.irb_name, back_name = name, @context.irb_name if name
      begin
	yield back_path, back_name
      ensure
	@context.irb_path = back_path if path
	@context.irb_name = back_name if name
      end
    end

def suspend_workspace(workspace)
      @context.workspace, back_workspace = workspace, @context.workspace
      begin
	yield back_workspace
      ensure
	@context.workspace = back_workspace
      end
    end

def suspend_input_method(input_method)
      back_io = @context.io
      @context.instance_eval{@io = input_method}
      begin
	yield back_io
      ensure
	@context.instance_eval{@io = back_io}
      end
    end

def suspend_context(context)
      @context, back_context = context, @context
      begin
	yield back_context
      ensure
	@context = back_context
      end
    end

def signal_handle
      unless @context.ignore_sigint?
	print "\nabort!!\n" if @context.verbose?
	exit
      end

case @signal_status
      when :IN_INPUT
	print "^C\n"
	raise RubyLex::TerminateLineInput
      when :IN_EVAL
	IRB.irb_abort(self)
      when :IN_LOAD
	IRB.irb_abort(self, LoadAbort)
      when :IN_IRB
	# ignore
      else
	# ignore other cases as well
      end
    end

def signal_status(status)
      return yield if @signal_status == :IN_LOAD

signal_status_back = @signal_status
      @signal_status = status
      begin
	yield
      ensure
	@signal_status = signal_status_back
      end
    end

def prompt(prompt, ltype, indent, line_no)
      p = prompt.dup
      p.gsub!(/%([0-9]+)?([a-zA-Z])/) do
	case $2
	when "N"
	  @context.irb_name
	when "m"
	  @context.main.to_s
	when "M"
	  @context.main.inspect
	when "l"
	  ltype
	when "i"
	  if $1 
	    format("%" + $1 + "d", indent)
	  else
	    indent.to_s
	  end
	when "n"
	  if $1 
	    format("%" + $1 + "d", line_no)
	  else
	    line_no.to_s
	  end
	when "%"
	  "%"
	end
      end
      p
    end

def output_value
      if @context.inspect?
        printf @context.return_format, @context.last_value.inspect
      else
        printf @context.return_format, @context.last_value
      end
    end

def inspect
      ary = []
      for iv in instance_variables
	case iv
	when "@signal_status"
	  ary.push format("%s=:%s", iv, @signal_status.id2name)
	when "@context"
	  ary.push format("%s=%s", iv, eval(iv).__to_s__)
	else
	  ary.push format("%s=%s", iv, eval(iv))
	end
      end
      format("#<%s: %s>", self.class, ary.join(", "))
    end
  end

# Singleton method
  def @CONF.inspect
    IRB.version unless self[:VERSION]

array = []
    for k, v in sort{|a1, a2| a1[0].id2name <=> a2[0].id2name}
      case k
      when :MAIN_CONTEXT, :__TMP__EHV__
	array.push format("CONF[:%s]=...myself...", k.id2name)
      when :PROMPT
	s = v.collect{
	  |kk, vv|
	  ss = vv.collect{|kkk, vvv| ":#{kkk.id2name}=>#{vvv.inspect}"}
	  format(":%s=>{%s}", kk.id2name, ss.join(", "))
	}
	array.push format("CONF[:%s]={%s}", k.id2name, s.join(", "))
      else
	array.push format("CONF[:%s]=%s", k.id2name, v.inspect)
      end
    end
    array.join("\n")
  end
end

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