Module: IRB

Extended by:
Exception2MessageMapper
Defined in:
lib/irb/init.rb,
lib/irb.rb,
lib/irb/slex.rb,
lib/irb/help.rb,
lib/irb/frame.rb,
lib/irb/locale.rb,
lib/irb/version.rb,
lib/irb/context.rb,
lib/irb/cmd/nop.rb,
lib/irb/cmd/help.rb,
lib/irb/notifier.rb,
lib/irb/cmd/chws.rb,
lib/irb/cmd/fork.rb,
lib/irb/lc/error.rb,
lib/irb/cmd/load.rb,
lib/irb/workspace.rb,
lib/irb/completion.rb,
lib/irb/cmd/pushws.rb,
lib/irb/cmd/subirb.rb,
lib/irb/ext/tracer.rb,
lib/irb/ext/loader.rb,
lib/irb/ext/history.rb,
lib/irb/lc/ja/error.rb,
lib/irb/input-method.rb,
lib/irb/ext/multi-irb.rb,
lib/irb/output-method.rb,
lib/irb/ext/change-ws.rb,
lib/irb/ext/math-mode.rb,
lib/irb/ext/use-loader.rb,
lib/irb/extend-command.rb,
lib/irb/ext/workspaces.rb,
lib/irb/ext/save-history.rb

Overview

push-ws.rb - 

	$Release Version: 0.9.5$
	$Revision: 11708 $
	$Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
	by Keiju ISHITSUKA([email protected])

--

Defined Under Namespace

Modules: ContextExtender, ExtendCommand, ExtendCommandBundle, HistorySavingAbility, InputCompletor, IrbLoader, MethodExtender, Notifier Classes: Abort, Context, FileInputMethod, Frame, History, InputMethod, Irb, JobManager, LoadAbort, Locale, OutputMethod, SLex, StdioInputMethod, StdioOutputMethod, WorkSpace

Constant Summary collapse

FEATURE_IOPT_CHANGE_VERSION = 
"1.9.0"
IRBRC_EXT = 
"rc"
STDIN_FILE_NAME =

InputMethod StdioInputMethod FileInputMethod (ReadlineInputMethod)

"(line)"

Class Method Summary collapse

Class Method Details

.conf ⇒ Object 



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# File 'lib/irb.rb', line 33

def IRB.conf
  @CONF
end

.CurrentContext ⇒ Object 



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# File 'lib/irb.rb', line 46

def IRB.CurrentContext
  IRB.JobManager.irb(Thread.current).context
end

.delete_caller ⇒ Object 



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# File 'lib/irb/workspace.rb', line 104

def IRB.delete_caller
end

.init_config(ap_path) ⇒ Object 



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# File 'lib/irb/init.rb', line 29

def IRB.init_config(ap_path)
  # class instance variables
  @TRACER_INITIALIZED = false

  # default configurations
  unless ap_path and @CONF[:AP_NAME]
    ap_path = File.join(File.dirname(File.dirname(__FILE__)), "irb.rb")
  end
  @CONF[:AP_NAME] = File::basename(ap_path, ".rb")

  @CONF[:IRB_NAME] = "irb"
  @CONF[:IRB_LIB_PATH] = File.dirname(__FILE__)

  @CONF[:RC] = true
  @CONF[:LOAD_MODULES] = []
  @CONF[:IRB_RC] = nil

  @CONF[:MATH_MODE] = false
  @CONF[:USE_READLINE] = false unless defined?(ReadlineInputMethod)
  @CONF[:INSPECT_MODE] = nil
  @CONF[:USE_TRACER] = false
  @CONF[:USE_LOADER] = false
  @CONF[:IGNORE_SIGINT] = true
  @CONF[:IGNORE_EOF] = false
  @CONF[:ECHO] = nil
  @CONF[:VERBOSE] = nil

  @CONF[:EVAL_HISTORY] = nil
  @CONF[:SAVE_HISTORY] = nil

  @CONF[:BACK_TRACE_LIMIT] = 16

  @CONF[:PROMPT] = {
    :NULL => {
	:PROMPT_I => nil,
	:PROMPT_N => nil,
	:PROMPT_S => nil,
	:PROMPT_C => nil,
	:RETURN => "%s\n"
    },
    :DEFAULT => {
	:PROMPT_I => "%N(%m):%03n:%i> ",
	:PROMPT_N => "%N(%m):%03n:%i> ",
	:PROMPT_S => "%N(%m):%03n:%i%l ",
	:PROMPT_C => "%N(%m):%03n:%i* ",
	:RETURN => "=> %s\n"
    },
    :CLASSIC => {
	:PROMPT_I => "%N(%m):%03n:%i> ",
	:PROMPT_N => "%N(%m):%03n:%i> ",
	:PROMPT_S => "%N(%m):%03n:%i%l ",
	:PROMPT_C => "%N(%m):%03n:%i* ",
	:RETURN => "%s\n"
    },
    :SIMPLE => {
	:PROMPT_I => ">> ",
	:PROMPT_N => ">> ",
	:PROMPT_S => nil,
	:PROMPT_C => "?> ",
	:RETURN => "=> %s\n"
    },
    :INF_RUBY => {
	:PROMPT_I => "%N(%m):%03n:%i> ",
#	:PROMPT_N => "%N(%m):%03n:%i> ",
	:PROMPT_N => nil,
	:PROMPT_S => nil,
	:PROMPT_C => nil,
	:RETURN => "%s\n",
	:AUTO_INDENT => true
    },
    :XMP => {
	:PROMPT_I => nil,
	:PROMPT_N => nil,
	:PROMPT_S => nil,
	:PROMPT_C => nil,
	:RETURN => "    ==>%s\n"
    }
  }

  @CONF[:PROMPT_MODE] = (STDIN.tty? ? :DEFAULT : :NULL)
  @CONF[:AUTO_INDENT] = false

  @CONF[:CONTEXT_MODE] = 3 # use binding in function on TOPLEVEL_BINDING
  @CONF[:SINGLE_IRB] = false

#    @CONF[:LC_MESSAGES] = "en"
  @CONF[:LC_MESSAGES] = Locale.new
  
  @CONF[:AT_EXIT] = []
  
  @CONF[:DEBUG_LEVEL] = 1
end

.init_error ⇒ Object 



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# File 'lib/irb/init.rb', line 122

def IRB.init_error
  @CONF[:LC_MESSAGES].load("irb/error.rb")
end

.initialize_tracer ⇒ Object

initialize tracing function



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# File 'lib/irb/ext/tracer.rb', line 17

def IRB.initialize_tracer
  Tracer.verbose = false
  Tracer.add_filter {
    |event, file, line, id, binding, *rests|
    /^#{Regexp.quote(@CONF[:IRB_LIB_PATH])}/ !~ file and
	File::basename(file) != "irb.rb"
  }
end

.inspect ⇒ Object

Singleton method



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# File 'lib/irb.rb', line 333

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

.irb(file = nil, *main) ⇒ Object

invoke multi-irb



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# File 'lib/irb/ext/multi-irb.rb', line 148

def IRB.irb(file = nil, *main)
  workspace = WorkSpace.new(*main)
  parent_thread = Thread.current
  Thread.start do
    begin
	irb = Irb.new(workspace, file)
    rescue 
	print "Subirb can't start with context(self): ", workspace.main.inspect, "\n"
	print "return to main irb\n"
	Thread.pass
	Thread.main.wakeup
	Thread.exit
    end
    @CONF[:IRB_RC].call(irb.context) if @CONF[:IRB_RC]
    @JobManager.insert(irb)
    @JobManager.current_job = irb
    begin
	system_exit = false
	catch(:IRB_EXIT) do
 irb.eval_input
	end
    rescue SystemExit
	system_exit = true
	raise
	#fail
    ensure
	unless system_exit
 @JobManager.delete(irb)
 if parent_thread.alive?
   @JobManager.current_job = @JobManager.irb(parent_thread)
   parent_thread.run
 else
   @JobManager.current_job = @JobManager.main_irb
   @JobManager.main_thread.run
 end
	end
    end
  end
  Thread.stop
  @JobManager.current_job = @JobManager.irb(Thread.current)
end

.irb_abort(irb, exception = Abort) ⇒ Object 



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# File 'lib/irb.rb', line 87

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_at_exit ⇒ Object 



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# File 'lib/irb.rb', line 79

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

.irb_exit(irb, ret) ⇒ Object 



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# File 'lib/irb.rb', line 83

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

.JobManager ⇒ Object 



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# File 'lib/irb/ext/multi-irb.rb', line 139

def IRB.JobManager
  @JobManager
end

.load_modules ⇒ Object

loading modules



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# File 'lib/irb/init.rb', line 251

def IRB.load_modules
  for m in @CONF[:LOAD_MODULES]
    begin
	require m
    rescue
	print $@[0], ":", $!.class, ": ", $!, "\n"
    end
  end
end

.parse_opts ⇒ Object

option analyzing



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# File 'lib/irb/init.rb', line 129

def IRB.parse_opts
  load_path = []
  while opt = ARGV.shift
    case opt
    when "-f"
	@CONF[:RC] = false
    when "-m"
	@CONF[:MATH_MODE] = true
    when "-d"
	$DEBUG = true
    when /^-r(.+)?/
	opt = $1 || ARGV.shift
	@CONF[:LOAD_MODULES].push opt if opt
    when /^-I(.+)?/
      opt = $1 || ARGV.shift
	load_path.concat(opt.split(File::PATH_SEPARATOR)) if opt
    when /^-K(.)/
	$KCODE = $1
    when "--inspect"
	@CONF[:INSPECT_MODE] = true
    when "--noinspect"
	@CONF[:INSPECT_MODE] = false
    when "--readline"
	@CONF[:USE_READLINE] = true
    when "--noreadline"
	@CONF[:USE_READLINE] = false
    when "--echo"
	@CONF[:ECHO] = true
    when "--noecho"
	@CONF[:ECHO] = false
    when "--verbose"
	@CONF[:VERBOSE] = true
    when "--noverbose"
	@CONF[:VERBOSE] = false
    when "--prompt-mode", "--prompt"
	prompt_mode = ARGV.shift.upcase.tr("-", "_").intern
	@CONF[:PROMPT_MODE] = prompt_mode
    when "--noprompt"
	@CONF[:PROMPT_MODE] = :NULL
    when "--inf-ruby-mode"
	@CONF[:PROMPT_MODE] = :INF_RUBY
    when "--sample-book-mode", "--simple-prompt"
	@CONF[:PROMPT_MODE] = :SIMPLE
    when "--tracer"
	@CONF[:USE_TRACER] = true
    when "--back-trace-limit"
	@CONF[:BACK_TRACE_LIMIT] = ARGV.shift.to_i
    when "--context-mode"
	@CONF[:CONTEXT_MODE] = ARGV.shift.to_i
    when "--single-irb"
	@CONF[:SINGLE_IRB] = true
    when "--irb_debug"
	@CONF[:DEBUG_LEVEL] = ARGV.shift.to_i
    when "-v", "--version"
	print IRB.version, "\n"
	exit 0
    when "-h", "--help"
	require "irb/help"
	IRB.print_usage
	exit 0
    when /^-/
	IRB.fail UnrecognizedSwitch, opt
    else
	@CONF[:SCRIPT] = opt
	$0 = opt
	break
    end
  end
  if RUBY_VERSION >= FEATURE_IOPT_CHANGE_VERSION
    load_path.collect! do |path|
	/\A\.\// =~ path ? path : File.expand_path(path)
    end
  end
  $LOAD_PATH.unshift(*load_path)
end

.print_usage ⇒ Object 



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# File 'lib/irb/help.rb', line 14

def IRB.print_usage
  lc = IRB.conf[:LC_MESSAGES]
  path = lc.find("irb/help-message")
  space_line = false
  File.foreach(path) do
    |l|
    if /^\s*$/ =~ l
	lc.puts l unless space_line
	space_line = true
	next
    end
    space_line = false
    
    l.sub!(/#.*$/, "")
    next if /^\s*$/ =~ l
    lc.puts l
  end
end

.rc_file(ext = IRBRC_EXT) ⇒ Object 



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# File 'lib/irb/init.rb', line 222

def IRB.rc_file(ext = IRBRC_EXT)
  if !@CONF[:RC_NAME_GENERATOR]
    rc_file_generators do |rcgen|
	@CONF[:RC_NAME_GENERATOR] ||= rcgen
	if File.exist?(rcgen.call(IRBRC_EXT))
 @CONF[:RC_NAME_GENERATOR] = rcgen
 break
	end
    end
  end
  @CONF[:RC_NAME_GENERATOR].call ext
end

.rc_file_generators {|proc{|rc| home+"/.irb#{rc}"}| ... } ⇒ Object

enumerate possible rc-file base name generators

Yields:

  • (proc{|rc| home+"/.irb#{rc}"}) 


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# File 'lib/irb/init.rb', line 236

def IRB.rc_file_generators
  if irbrc = ENV["IRBRC"]
    yield proc{|rc|  rc == "rc" ? irbrc : irbrc+rc}
  end
  if home = ENV["HOME"]
    yield proc{|rc| home+"/.irb#{rc}"} 
  end
  home = Dir.pwd
  yield proc{|rc| home+"/.irb#{rc}"}
  yield proc{|rc| home+"/irb#{rc.sub(/\A_?/, '.')}"}
  yield proc{|rc| home+"/_irb#{rc}"}
  yield proc{|rc| home+"/$irb#{rc}"}
end

.run_config ⇒ Object

running config



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# File 'lib/irb/init.rb', line 206

def IRB.run_config
  if @CONF[:RC]
    begin
	load rc_file
    rescue LoadError, Errno::ENOENT
    rescue
	print "load error: #{rc_file}\n"
	print $!.class, ": ", $!, "\n"
	for err in $@[0, $@.size - 2]
 print "\t", err, "\n"
	end
    end
  end
end

.setup(ap_path) ⇒ Object

initialize config



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# File 'lib/irb/init.rb', line 16

def IRB.setup(ap_path)
  IRB.init_config(ap_path)
  IRB.init_error
  IRB.parse_opts
  IRB.run_config
  IRB.load_modules

  unless @CONF[:PROMPT][@CONF[:PROMPT_MODE]]
    IRB.fail(UndefinedPromptMode, @CONF[:PROMPT_MODE]) 
  end
end

.start(ap_path = nil) ⇒ Object

initialize IRB and start TOP_LEVEL irb



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# File 'lib/irb.rb', line 51

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

.version ⇒ Object

IRB version method



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# File 'lib/irb.rb', line 38

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