diff options
Diffstat (limited to 'ruby_1_8_5/lib/irb/init.rb')
| -rw-r--r-- | ruby_1_8_5/lib/irb/init.rb | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/irb/init.rb b/ruby_1_8_5/lib/irb/init.rb new file mode 100644 index 0000000000..938e6e3d29 --- /dev/null +++ b/ruby_1_8_5/lib/irb/init.rb @@ -0,0 +1,259 @@ +# +# irb/init.rb - irb initialize module +# $Release Version: 0.9.5$ +# $Revision: 1.6.2.6 $ +# $Date: 2006/08/04 10:15:49 $ +# by Keiju ISHITSUKA(keiju@ruby-lang.org) +# +# -- +# +# +# + +module IRB + + # initialize config + 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 + + # @CONF default setting + 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[:DEBUG_LEVEL] = 1 + end + + def IRB.init_error + @CONF[:LC_MESSAGES].load("irb/error.rb") + end + + FEATURE_IOPT_CHANGE_VERSION = "1.9.0" + + # option analyzing + 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 + + # running config + 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, $@.size - 2] + print "\t", err, "\n" + end + end + end + end + + IRBRC_EXT = "rc" + def IRB.rc_file(ext = IRBRC_EXT) + if !@CONF[:RC_NAME_GENERATOR] + rc_file_generators do |rcgen| + @CONF[:RC_NAME_GENERATOR] ||= rcgen + if File.exist?(rcgen.call(IRBRC_EXT)) + @CONF[:RC_NAME_GENERATOR] = rcgen + break + end + end + end + @CONF[:RC_NAME_GENERATOR].call ext + end + + # enumerate possible rc-file base name generators + def IRB.rc_file_generators + if irbrc = ENV["IRBRC"] + yield proc{|rc| rc == "rc" ? irbrc : irbrc+rc} + end + if home = ENV["HOME"] + yield proc{|rc| home+"/.irb#{rc}"} + end + home = Dir.pwd + yield proc{|rc| home+"/.irb#{rc}"} + yield proc{|rc| home+"/irb#{rc.sub(/\A_?/, '.')}"} + yield proc{|rc| home+"/_irb#{rc}"} + yield proc{|rc| home+"/$irb#{rc}"} + end + + # loading modules + def IRB.load_modules + for m in @CONF[:LOAD_MODULES] + begin + require m + rescue + print $@[0], ":", $!.class, ": ", $!, "\n" + end + end + end + +end |