Module: IRB
- Extended by:
- Exception2MessageMapper
- Defined in:
- lib/irb.rb,
lib/irb/help.rb,
lib/irb/slex.rb,
lib/irb/init.rb,
lib/irb/frame.rb,
lib/irb/locale.rb,
lib/irb/version.rb,
lib/irb/cmd/nop.rb,
lib/irb/context.rb,
lib/irb/cmd/chws.rb,
lib/irb/cmd/help.rb,
lib/irb/cmd/fork.rb,
lib/irb/notifier.rb,
lib/irb/lc/error.rb,
lib/irb/cmd/load.rb,
lib/irb/workspace.rb,
lib/irb/inspector.rb,
lib/irb/cmd/pushws.rb,
lib/irb/magic-file.rb,
lib/irb/ext/loader.rb,
lib/irb/completion.rb,
lib/irb/ext/tracer.rb,
lib/irb/cmd/subirb.rb,
lib/irb/lc/ja/error.rb,
lib/irb/ext/history.rb,
lib/irb/input-method.rb,
lib/irb/ext/change-ws.rb,
lib/irb/output-method.rb,
lib/irb/ext/multi-irb.rb,
lib/irb/ext/math-mode.rb,
lib/irb/extend-command.rb,
lib/irb/ext/workspaces.rb,
lib/irb/ext/use-loader.rb,
lib/irb/ext/save-history.rb,
lib/irb/lc/ja/encoding_aliases.rb
Overview
:stopdoc:
Defined Under Namespace
Modules: ContextExtender, ExtendCommand, ExtendCommandBundle, HistorySavingAbility, InputCompletor, IrbLoader, MethodExtender, Notifier Classes: Abort, Context, DefaultEncodings, FileInputMethod, Frame, History, InputMethod, Inspector, 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 =
:nodoc:
"(line)"
Class Method Summary collapse
-
.conf ⇒ Object
Displays current configuration.
-
.CurrentContext ⇒ Object
The current Context in this session.
- .delete_caller ⇒ Object
- .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_at_exit ⇒ Object
Calls each event hook of IRB.conf when the current session quits.
-
.irb_exit(irb, ret) ⇒ Object
Quits irb.
-
.JobManager ⇒ Object
The current JobManager in the session.
-
.load_modules ⇒ Object
loading modules.
-
.parse_opts ⇒ 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| home+"/.irb#{rc}"}| ... } ⇒ Object
enumerate possible rc-file base name generators.
-
.run_config ⇒ Object
running config.
-
.setup(ap_path) ⇒ Object
initialize config.
-
.start(ap_path = nil) ⇒ Object
Initializes IRB and creates a new Irb.irb object at the
TOPLEVEL_BINDING
. -
.version ⇒ Object
Returns the current version of IRB, including release version and last updated date.
Class Method Details
.conf ⇒ Object
Displays current configuration.
Modifing the configuration is achieved by sending a message to IRB.conf.
See IRB@Configuration for more information.
353 354 355 |
# File 'lib/irb.rb', line 353 def IRB.conf @CONF end |
.CurrentContext ⇒ Object
The current Context in this session
372 373 374 |
# File 'lib/irb.rb', line 372 def IRB.CurrentContext IRB.conf[:MAIN_CONTEXT] end |
.init_config(ap_path) ⇒ Object
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 |
# File 'lib/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] = 0 end |
.init_error ⇒ Object
121 122 123 |
# File 'lib/irb/init.rb', line 121 def IRB.init_error @CONF[:LC_MESSAGES].load("irb/error.rb") end |
.initialize_tracer ⇒ Object
initialize tracing function
16 17 18 19 20 21 22 23 |
# File 'lib/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 |
.inspect ⇒ Object
683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 |
# File 'lib/irb.rb', line 683 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 |
.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?
23 24 25 |
# File 'lib/irb/inspector.rb', line 23 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
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 |
# File 'lib/irb/ext/multi-irb.rb', line 191 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
.
418 419 420 421 422 423 424 |
# File 'lib/irb.rb', line 418 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
Calls each event hook of IRB.conf when the current session quits.
406 407 408 |
# File 'lib/irb.rb', line 406 def IRB.irb_at_exit @CONF[:AT_EXIT].each{|hook| hook.call} end |
.irb_exit(irb, ret) ⇒ Object
Quits irb
411 412 413 |
# File 'lib/irb.rb', line 411 def IRB.irb_exit(irb, ret) throw :IRB_EXIT, ret end |
.JobManager ⇒ Object
The current JobManager in the session
178 179 180 |
# File 'lib/irb/ext/multi-irb.rb', line 178 def IRB.JobManager @JobManager end |
.load_modules ⇒ Object
loading modules
283 284 285 286 287 288 289 290 291 |
# File 'lib/irb/init.rb', line 283 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 |
.parse_opts ⇒ Object
option analyzing
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 |
# File 'lib/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.(path) end end $LOAD_PATH.unshift(*load_path) end |
.print_usage ⇒ Object
Outputs the irb help message, see IRB@Command+line+options.
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
# File 'lib/irb/help.rb', line 16 def IRB.print_usage lc = IRB.conf[:LC_MESSAGES] path = lc.find("irb/help-message") space_line = false IRB::MagicFile.open(path){|f| f.each_line do |l| if /^\s*$/ =~ 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 |
.rc_file(ext = IRBRC_EXT) ⇒ Object
249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 |
# File 'lib/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 case rc_file = @CONF[:RC_NAME_GENERATOR].call(ext) when String return rc_file else IRB.fail IllegalRCNameGenerator end end |
.rc_file_generators {|proc{|rc| home+"/.irb#{rc}"}| ... } ⇒ Object
enumerate possible rc-file base name generators
268 269 270 271 272 273 274 275 276 277 278 279 280 |
# File 'lib/irb/init.rb', line 268 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
233 234 235 236 237 238 239 240 241 242 243 244 245 246 |
# File 'lib/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 |
.setup(ap_path) ⇒ Object
initialize config
15 16 17 18 19 20 21 22 23 24 25 |
# File 'lib/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 |
.start(ap_path = nil) ⇒ Object
Initializes IRB and creates a new Irb.irb object at the TOPLEVEL_BINDING
377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 |
# File 'lib/irb.rb', line 377 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
Returns the current version of IRB, including release version and last updated date.
359 360 361 362 363 364 365 |
# File 'lib/irb.rb', line 359 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 |