Extended maintenance of Ruby 1.9.3 ended on February 23, 2015. Read more
nop.rb - $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/ext/cb.rb - $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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history.rb - $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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loader.rb - $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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push-ws.rb - $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/extend-command.rb - irb extend command $Release Version: 0.9.6$ $Revision: 25998 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/init.rb - irb initialize module $Release Version: 0.9.6$ $Revision: 31573 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/inspector.rb - inspect methods $Release Version: 0.9.6$ $Revision: 1.19 $ $Date: 2002/06/11 07:51:31 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/locale.rb - internationalization module $Release Version: 0.9.6$ $Revision: 31573 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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irb/version.rb - irb version definition file $Release Version: 0.9.6$ $Revision: 25189 $ by Keiju ISHITSUKA(keiju@ishitsuka.com)
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irb/workspace-binding.rb - $Release Version: 0.9.6$ $Revision: 32252 $ by Keiju ISHITSUKA(keiju@ruby-lang.org)
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StdioInputMethod FileInputMethod (ReadlineInputMethod)
# File irb.rb, line 45 def IRB.CurrentContext IRB.conf[:MAIN_CONTEXT] end
# File irb/inspector.rb, line 15 def IRB::Inspector(inspect, init = nil) Inspector.new(inspect, init) end
# File irb/ext/multi-irb.rb, line 138 def IRB.JobManager @JobManager end
@CONF default setting
# File irb/init.rb, line 28 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] = true @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
# File irb/init.rb, line 121 def IRB.init_error @CONF[:LC_MESSAGES].load("irb/error.rb") end
initialize tracing function
# File irb/ext/tracer.rb, line 16 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
invoke multi-irb
# File irb/ext/multi-irb.rb, line 147 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
# File irb.rb, line 86 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
# File irb.rb, line 78 def IRB.irb_at_exit @CONF[:AT_EXIT].each{|hook| hook.call} end
# File irb.rb, line 82 def IRB.irb_exit(irb, ret) throw :IRB_EXIT, ret end
loading modules
# File irb/init.rb, line 278 def IRB.load_modules for m in @CONF[:LOAD_MODULES] begin require m rescue LoadError => err warn err.backtrace[0] << ":#{err.class}: #{err}" end end end
option analyzing
# File irb/init.rb, line 128 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 $VERBOSE = true when "-w" $VERBOSE = true when /^-W(.+)?/ opt = $1 || ARGV.shift case opt when "0" $VERBOSE = nil when "1" $VERBOSE = false else $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 "--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(?:=(.+))?/ opt = $1 || ARGV.shift prompt_mode = opt.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] = ($1 || ARGV.shift).to_i when /^--context-mode(?:=(.+))?/ @CONF[:CONTEXT_MODE] = ($1 || ARGV.shift).to_i when "--single-irb" @CONF[:SINGLE_IRB] = true when /^--irb_debug=(?:=(.+))?/ @CONF[:DEBUG_LEVEL] = ($1 || 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 "--" if opt = ARGV.shift @CONF[:SCRIPT] = opt $0 = opt end break 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 $LOAD_PATH.unshift(*load_path) end
# File irb/help.rb, line 15 def IRB.print_usage lc = IRB.conf[:LC_MESSAGES] path = lc.find("irb/help-message") space_line = false IRB::MagicFile.open(path){|f| f.each_line do |l| if /^\s*$/ =~ 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
# File irb/init.rb, line 249 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
enumerate possible rc-file base name generators
# File irb/init.rb, line 263 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
running config
# File irb/init.rb, line 233 def IRB.run_config if @CONF[:RC] begin load rc_file rescue LoadError, Errno::ENOENT rescue # StandardError, ScriptError print "load error: #{rc_file}\n" print $!.class, ": ", $!, "\n" for err in $@[0, $@.size - 2] print "\t", err, "\n" end end end end
initialize config
# File irb/init.rb, line 15 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
initialize IRB and start TOP_LEVEL irb
# File irb.rb, line 50 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
IRB version method
# File irb.rb, line 37 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
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