Module: IRB
- Defined in:
- lib/irb.rb,
lib/irb/help.rb,
lib/irb/init.rb,
lib/irb/color.rb,
lib/irb/debug.rb,
lib/irb/frame.rb,
lib/irb/pager.rb,
lib/irb/cmd/ls.rb,
lib/irb/locale.rb,
lib/irb/cmd/nop.rb,
lib/irb/context.rb,
lib/irb/history.rb,
lib/irb/version.rb,
lib/irb/cmd/chws.rb,
lib/irb/cmd/edit.rb,
lib/irb/cmd/exit.rb,
lib/irb/cmd/help.rb,
lib/irb/cmd/info.rb,
lib/irb/cmd/load.rb,
lib/irb/cmd/next.rb,
lib/irb/cmd/step.rb,
lib/irb/debug/ui.rb,
lib/irb/lc/error.rb,
lib/irb/notifier.rb,
lib/irb/ruby-lex.rb,
lib/irb/cmd/break.rb,
lib/irb/cmd/catch.rb,
lib/irb/cmd/debug.rb,
lib/irb/inspector.rb,
lib/irb/statement.rb,
lib/irb/workspace.rb,
lib/irb/cmd/delete.rb,
lib/irb/cmd/finish.rb,
lib/irb/cmd/pushws.rb,
lib/irb/cmd/subirb.rb,
lib/irb/completion.rb,
lib/irb/easter-egg.rb,
lib/irb/ext/loader.rb,
lib/irb/ext/tracer.rb,
lib/irb/cmd/history.rb,
lib/irb/cmd/measure.rb,
lib/irb/lc/ja/error.rb,
lib/irb/cmd/continue.rb,
lib/irb/cmd/irb_info.rb,
lib/irb/cmd/show_doc.rb,
lib/irb/cmd/whereami.rb,
lib/irb/input-method.rb,
lib/irb/cmd/backtrace.rb,
lib/irb/cmd/show_cmds.rb,
lib/irb/color_printer.rb,
lib/irb/ext/change-ws.rb,
lib/irb/ext/multi-irb.rb,
lib/irb/output-method.rb,
lib/irb/source_finder.rb,
lib/irb/ext/use-loader.rb,
lib/irb/ext/workspaces.rb,
lib/irb/extend-command.rb,
lib/irb/nesting_parser.rb,
lib/irb/cmd/show_source.rb,
lib/irb/ext/eval_history.rb
Overview
history.rb -
by Keiju ISHITSUKA(keiju@ruby-lang.org)
Defined Under Namespace
Modules: Color, ContextExtender, Debug, ExtendCommand, ExtendCommandBundle, HistorySavingAbility, InputCompletor, IrbLoader, NestingParser, Notifier Classes: Abort, BaseCompletor, CantChangeBinding, CantReturnToNormalMode, Canvas, ColorPrinter, Context, EvalHistory, FileInputMethod, Frame, IllegalParameter, IllegalRCGenerator, InputMethod, Inspector, Irb, IrbAlreadyDead, IrbSwitchedToCurrentThread, JobManager, LoadAbort, Locale, NoSuchJob, NotImplementedError, OutputMethod, Pager, ReadlineInputMethod, RegexpCompletor, ReidlineInputMethod, RelineInputMethod, RubyLex, RubyModel, SourceFinder, Statement, StdioInputMethod, StdioOutputMethod, TypeCompletor, UndefinedPromptMode, UnrecognizedSwitch, Vec, WorkSpace
Constant Summary collapse
- IRBRC_EXT =
"rc"
- VERSION =
:nodoc:
"1.11.1"
- TOPLEVEL_BINDING =
binding
Class Method Summary collapse
-
.conf ⇒ Object
Displays current configuration.
-
.CurrentContext ⇒ Object
The current Context in this session.
- .init_config(ap_path) ⇒ Object
- .init_error ⇒ Object
-
.initialize_tracer ⇒ Object
initialize tracing function.
- .inspect ⇒ Object
-
.Inspector(inspect, init = nil) ⇒ Object
Convenience method to create a new Inspector, using the given
inspect
proc, and optionalinit
proc and passes them to Inspector.new. -
.irb(file = nil, *main) ⇒ Object
Creates a new IRB session, see Irb.new.
-
.irb_abort(irb, exception = Abort) ⇒ Object
Aborts then interrupts irb.
-
.irb_exit ⇒ Object
Quits irb.
-
.JobManager ⇒ Object
The current JobManager in the session.
-
.load_modules ⇒ Object
loading modules.
-
.parse_opts(argv: ::ARGV) ⇒ Object
option analyzing.
-
.print_usage ⇒ Object
Outputs the irb help message, see IRB@Command-Line+Options.
- .rc_file(ext = IRBRC_EXT) ⇒ Object
-
.rc_file_generators {|proc{|rc| current_dir+"/.irb#{rc}"}| ... } ⇒ Object
enumerate possible rc-file base name generators.
-
.run_config ⇒ Object
Run the config file.
- .set_measure_callback(type = nil, arg = nil, &block) ⇒ Object
-
.setup(ap_path, argv: ::ARGV) ⇒ Object
initialize config.
-
.start(ap_path = nil) ⇒ Object
Initializes IRB and creates a new Irb.irb object at the
TOPLEVEL_BINDING
. - .unset_measure_callback(type = nil) ⇒ Object
-
.version ⇒ Object
Returns the current version of IRB, including release version and last updated date.
Class Method Details
.conf ⇒ Object
Displays current configuration.
Modifying the configuration is achieved by sending a message to IRB.conf.
See IRB@Configuration for more information.
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# File 'lib/irb/init.rb', line 14 def IRB.conf @CONF end |
.CurrentContext ⇒ Object
The current Context in this session
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# File 'lib/irb.rb', line 869 def IRB.CurrentContext IRB.conf[:MAIN_CONTEXT] end |
.init_config(ap_path) ⇒ Object
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# File 'lib/irb/init.rb', line 58 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[:VERSION] = version @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[:USE_SINGLELINE] = false unless defined?(ReadlineInputMethod) @CONF[:USE_COLORIZE] = (nc = ENV['NO_COLOR']).nil? || nc.empty? @CONF[:USE_AUTOCOMPLETE] = ENV.fetch("IRB_USE_AUTOCOMPLETE", "true") != "false" @CONF[:COMPLETOR] = ENV.fetch("IRB_COMPLETOR", "regexp").to_sym @CONF[:INSPECT_MODE] = true @CONF[:USE_TRACER] = false @CONF[:USE_LOADER] = false @CONF[:IGNORE_SIGINT] = true @CONF[:IGNORE_EOF] = false @CONF[:USE_PAGER] = true @CONF[:EXTRA_DOC_DIRS] = [] @CONF[:ECHO] = nil @CONF[:ECHO_ON_ASSIGNMENT] = nil @CONF[:VERBOSE] = nil @CONF[:EVAL_HISTORY] = nil @CONF[:SAVE_HISTORY] = 1000 @CONF[:BACK_TRACE_LIMIT] = 16 @CONF[:PROMPT] = { :NULL => { :PROMPT_I => nil, :PROMPT_S => nil, :PROMPT_C => nil, :RETURN => "%s\n" }, :DEFAULT => { :PROMPT_I => "%N(%m):%03n> ", :PROMPT_S => "%N(%m):%03n%l ", :PROMPT_C => "%N(%m):%03n* ", :RETURN => "=> %s\n" }, :CLASSIC => { :PROMPT_I => "%N(%m):%03n:%i> ", :PROMPT_S => "%N(%m):%03n:%i%l ", :PROMPT_C => "%N(%m):%03n:%i* ", :RETURN => "%s\n" }, :SIMPLE => { :PROMPT_I => ">> ", :PROMPT_S => "%l> ", :PROMPT_C => "?> ", :RETURN => "=> %s\n" }, :INF_RUBY => { :PROMPT_I => "%N(%m):%03n> ", :PROMPT_S => nil, :PROMPT_C => nil, :RETURN => "%s\n", :AUTO_INDENT => true }, :XMP => { :PROMPT_I => nil, :PROMPT_S => nil, :PROMPT_C => nil, :RETURN => " ==>%s\n" } } @CONF[:PROMPT_MODE] = (STDIN.tty? ? :DEFAULT : :NULL) @CONF[:AUTO_INDENT] = true @CONF[:CONTEXT_MODE] = 4 # use a copy of TOPLEVEL_BINDING @CONF[:SINGLE_IRB] = false @CONF[:MEASURE] = false @CONF[:MEASURE_PROC] = {} @CONF[:MEASURE_PROC][:TIME] = proc { |context, code, line_no, &block| time = Time.now result = block.() now = Time.now puts 'processing time: %fs' % (now - time) if IRB.conf[:MEASURE] result } # arg can be either a symbol for the mode (:cpu, :wall, ..) or a hash for # a more complete configuration. # See https://github.com/tmm1/stackprof#all-options. @CONF[:MEASURE_PROC][:STACKPROF] = proc { |context, code, line_no, arg, &block| return block.() unless IRB.conf[:MEASURE] success = false begin require 'stackprof' success = true rescue LoadError puts 'Please run "gem install stackprof" before measuring by StackProf.' end if success result = nil arg = { mode: arg || :cpu } unless arg.is_a?(Hash) stackprof_result = StackProf.run(**arg) do result = block.() end case stackprof_result when File puts "StackProf report saved to #{stackprof_result.path}" when Hash StackProf::Report.new(stackprof_result).print_text else puts "Stackprof ran with #{arg.inspect}" end result else block.() end } @CONF[:MEASURE_CALLBACKS] = [] @CONF[:LC_MESSAGES] = Locale.new @CONF[:AT_EXIT] = [] @CONF[:COMMAND_ALIASES] = { # Symbol aliases :'$' => :show_source, :'@' => :whereami, } end |
.init_error ⇒ Object
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# File 'lib/irb/init.rb', line 242 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 24 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
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# File 'lib/irb/init.rb', line 18 def @CONF.inspect 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 |
.Inspector(inspect, init = nil) ⇒ Object
Convenience method to create a new Inspector, using the given inspect
proc, and optional init
proc and passes them to Inspector.new
irb(main):001:0> ins = IRB::Inspector(proc{ |v| "omg! #{v}" })
irb(main):001:0> IRB.CurrentContext.inspect_mode = ins # => omg! #<IRB::Inspector:0x007f46f7ba7d28>
irb(main):001:0> "what?" #=> omg! what?
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# File 'lib/irb/inspector.rb', line 17 def IRB::Inspector(inspect, init = nil) Inspector.new(inspect, init) end |
.irb(file = nil, *main) ⇒ Object
Creates a new IRB session, see Irb.new.
The optional file
argument is given to Context.new, along with the workspace created with the remaining arguments, see WorkSpace.new
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# File 'lib/irb/ext/multi-irb.rb', line 182 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 @JobManager.current_job == 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 end Thread.stop @JobManager.current_job = @JobManager.irb(Thread.current) end |
.irb_abort(irb, exception = Abort) ⇒ Object
Aborts then interrupts irb.
Will raise an Abort exception, or the given exception
.
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# File 'lib/irb.rb', line 896 def IRB.irb_abort(irb, exception = Abort) irb.context.thread.raise exception, "abort then interrupt!" end |
.irb_exit ⇒ Object
Quits irb
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# File 'lib/irb.rb', line 889 def IRB.irb_exit(*) throw :IRB_EXIT end |
.JobManager ⇒ Object
The current JobManager in the session
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# File 'lib/irb/ext/multi-irb.rb', line 169 def IRB.JobManager @JobManager end |
.load_modules ⇒ Object
loading modules
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# File 'lib/irb/init.rb', line 448 def IRB.load_modules for m in @CONF[:LOAD_MODULES] begin require m rescue LoadError => err warn "#{err.class}: #{err}", uplevel: 0 end end end |
.parse_opts(argv: ::ARGV) ⇒ Object
option analyzing
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# File 'lib/irb/init.rb', line 247 def IRB.parse_opts(argv: ::ARGV) load_path = [] while opt = argv.shift case opt when "-f" @CONF[:RC] = false when "-d" $DEBUG = true $VERBOSE = true when "-w" Warning[:deprecated] = $VERBOSE = true when /^-W(.+)?/ opt = $1 || argv.shift case opt when "0" $VERBOSE = nil when "1" $VERBOSE = false else Warning[:deprecated] = $VERBOSE = true end 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 '-U' set_encoding("UTF-8", "UTF-8") when /^-E(.+)?/, /^--encoding(?:=(.+))?/ opt = $1 || argv.shift set_encoding(*opt.split(':', 2)) when "--inspect" if /^-/ !~ argv.first @CONF[:INSPECT_MODE] = argv.shift else @CONF[:INSPECT_MODE] = true end when "--noinspect" @CONF[:INSPECT_MODE] = false when "--no-pager" @CONF[:USE_PAGER] = false when "--singleline", "--readline", "--legacy" @CONF[:USE_SINGLELINE] = true when "--nosingleline", "--noreadline" @CONF[:USE_SINGLELINE] = false when "--multiline", "--reidline" if opt == "--reidline" warn <<~MSG.strip --reidline is deprecated, please use --multiline instead. MSG end @CONF[:USE_MULTILINE] = true when "--nomultiline", "--noreidline" if opt == "--noreidline" warn <<~MSG.strip --noreidline is deprecated, please use --nomultiline instead. MSG end @CONF[:USE_MULTILINE] = false when /^--extra-doc-dir(?:=(.+))?/ opt = $1 || argv.shift @CONF[:EXTRA_DOC_DIRS] << opt when "--echo" @CONF[:ECHO] = true when "--noecho" @CONF[:ECHO] = false when "--echo-on-assignment" @CONF[:ECHO_ON_ASSIGNMENT] = true when "--noecho-on-assignment" @CONF[:ECHO_ON_ASSIGNMENT] = false when "--truncate-echo-on-assignment" @CONF[:ECHO_ON_ASSIGNMENT] = :truncate when "--verbose" @CONF[:VERBOSE] = true when "--noverbose" @CONF[:VERBOSE] = false when "--colorize" @CONF[:USE_COLORIZE] = true when "--nocolorize" @CONF[:USE_COLORIZE] = false when "--autocomplete" @CONF[:USE_AUTOCOMPLETE] = true when "--noautocomplete" @CONF[:USE_AUTOCOMPLETE] = false when "--regexp-completor" @CONF[:COMPLETOR] = :regexp when "--type-completor" @CONF[:COMPLETOR] = :type when /^--prompt-mode(?:=(.+))?/, /^--prompt(?:=(.+))?/ opt = $1 || argv.shift prompt_mode = opt.upcase.tr("-", "_").intern @CONF[:PROMPT_MODE] = prompt_mode when "--noprompt" @CONF[:PROMPT_MODE] = :NULL when "--script" noscript = false when "--noscript" noscript = true 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] = ($1 || argv.shift).to_i when /^--context-mode(?:=(.+))?/ @CONF[:CONTEXT_MODE] = ($1 || argv.shift).to_i when "--single-irb" @CONF[:SINGLE_IRB] = true when "-v", "--version" print IRB.version, "\n" exit 0 when "-h", "--help" require_relative "help" IRB.print_usage exit 0 when "--" if !noscript && (opt = argv.shift) @CONF[:SCRIPT] = opt $0 = opt end break when /^-./ fail UnrecognizedSwitch, opt else if noscript argv.unshift(opt) else @CONF[:SCRIPT] = opt $0 = opt end break end end load_path.collect! do |path| /\A\.\// =~ path ? path : File.(path) end $LOAD_PATH.unshift(*load_path) end |
.print_usage ⇒ Object
Outputs the irb help message, see IRB@Command-Line+Options.
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# File 'lib/irb/help.rb', line 9 def IRB.print_usage lc = IRB.conf[:LC_MESSAGES] path = lc.find("irb/help-message") space_line = false File.open(path){|f| f.each_line do |l| if /^\s*$/ =~ 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 407 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 case rc_file = @CONF[:RC_NAME_GENERATOR].call(ext) when String rc_file else fail IllegalRCNameGenerator end end |
.rc_file_generators {|proc{|rc| current_dir+"/.irb#{rc}"}| ... } ⇒ Object
enumerate possible rc-file base name generators
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# File 'lib/irb/init.rb', line 426 def IRB.rc_file_generators if irbrc = ENV["IRBRC"] yield proc{|rc| rc == "rc" ? irbrc : irbrc+rc} end if xdg_config_home = ENV["XDG_CONFIG_HOME"] irb_home = File.join(xdg_config_home, "irb") if File.directory?(irb_home) yield proc{|rc| irb_home + "/irb#{rc}"} end end if home = ENV["HOME"] yield proc{|rc| home+"/.irb#{rc}"} yield proc{|rc| home+"/.config/irb/irb#{rc}"} end current_dir = Dir.pwd yield proc{|rc| current_dir+"/.irb#{rc}"} yield proc{|rc| current_dir+"/irb#{rc.sub(/\A_?/, '.')}"} yield proc{|rc| current_dir+"/_irb#{rc}"} yield proc{|rc| current_dir+"/$irb#{rc}"} end |
.run_config ⇒ Object
Run the config file
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# File 'lib/irb/init.rb', line 393 def IRB.run_config if @CONF[:RC] begin file = rc_file # Because rc_file always returns `HOME/.irbrc` even if no rc file is present, we can't warn users about missing rc files. # Otherwise, it'd be very noisy. load file if File.exist?(file) rescue StandardError, ScriptError => e warn "Error loading RC file '#{file}':\n#{e.(highlight: false)}" end end end |
.set_measure_callback(type = nil, arg = nil, &block) ⇒ Object
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# File 'lib/irb/init.rb', line 195 def IRB.set_measure_callback(type = nil, arg = nil, &block) added = nil if type type_sym = type.upcase.to_sym if IRB.conf[:MEASURE_PROC][type_sym] added = [type_sym, IRB.conf[:MEASURE_PROC][type_sym], arg] end elsif IRB.conf[:MEASURE_PROC][:CUSTOM] added = [:CUSTOM, IRB.conf[:MEASURE_PROC][:CUSTOM], arg] elsif block_given? added = [:BLOCK, block, arg] found = IRB.conf[:MEASURE_CALLBACKS].find{ |m| m[0] == added[0] && m[2] == added[2] } if found found[1] = block return added else IRB.conf[:MEASURE_CALLBACKS] << added return added end else added = [:TIME, IRB.conf[:MEASURE_PROC][:TIME], arg] end if added IRB.conf[:MEASURE] = true found = IRB.conf[:MEASURE_CALLBACKS].find{ |m| m[0] == added[0] && m[2] == added[2] } if found # already added nil else IRB.conf[:MEASURE_CALLBACKS] << added if added added end else nil end end |
.setup(ap_path, argv: ::ARGV) ⇒ Object
initialize config
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# File 'lib/irb/init.rb', line 45 def IRB.setup(ap_path, argv: ::ARGV) IRB.init_config(ap_path) IRB.init_error IRB.parse_opts(argv: argv) IRB.run_config IRB.load_modules unless @CONF[:PROMPT][@CONF[:PROMPT_MODE]] fail UndefinedPromptMode, @CONF[:PROMPT_MODE] end end |
.start(ap_path = nil) ⇒ Object
Initializes IRB and creates a new Irb.irb object at the TOPLEVEL_BINDING
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# File 'lib/irb.rb', line 874 def IRB.start(ap_path = nil) STDOUT.sync = true $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 irb.run(@CONF) end |
.unset_measure_callback(type = nil) ⇒ Object
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# File 'lib/irb/init.rb', line 232 def IRB.unset_measure_callback(type = nil) if type.nil? IRB.conf[:MEASURE_CALLBACKS].clear else type_sym = type.upcase.to_sym IRB.conf[:MEASURE_CALLBACKS].reject!{ |t, | t == type_sym } end IRB.conf[:MEASURE] = nil if IRB.conf[:MEASURE_CALLBACKS].empty? end |