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Diffstat (limited to 'lib/irb/init.rb')
| -rw-r--r-- | lib/irb/init.rb | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/lib/irb/init.rb b/lib/irb/init.rb new file mode 100644 index 0000000000..f34a51b345 --- /dev/null +++ b/lib/irb/init.rb @@ -0,0 +1,232 @@ +# +# irb/init.rb - irb initialize module +# $Release Version: 0.7.3$ +# $Revision$ +# $Date$ +# by Keiju ISHITSUKA(keiju@ishitsuka.com) +# +# -- +# +# +# + +module IRB + + # initialize config + def IRB.initialize(ap_path) + IRB.init_config(ap_path) + IRB.init_error + IRB.run_config + end + + # @CONF default setting + def IRB.init_config(ap_path) + # class instance variables + @TRACER_INITIALIZED = false + @MATHN_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[: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:%i> ", + :PROMPT_S => "%N(%m):%03n:%i%l ", + :PROMPT_C => "%N(%m):%03n:%i* ", + :RETURN => "%s\n" + }, + :SIMPLE => { + :PROMPT_I => ">> ", + :PROMPT_S => nil, + :PROMPT_C => "?> ", + :RETURN => "=> %s\n" + }, + :INF_RUBY => { + :PROMPT_I => "%N(%m):%03n:%i> ", + :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] = :DEFAULT + @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 + @CONF[:VERBOSE] = true + end + + def IRB.init_error + @CONF[:LC_MESSAGES].load("irb/error.rb") + end + + # option analyzing + def IRB.parse_opts + while opt = ARGV.shift + case opt + when "-f" + opt = ARGV.shift + @CONF[:RC] = false + when "-m" + @CONF[:MATH_MODE] = true + when "-d" + $DEBUG = true + when "-r" + opt = ARGV.shift + @CONF[:LOAD_MODULES].push opt if opt + 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 "--prompt-mode", "--prompt" + prompt_mode = ARGV.shift.upcase.tr("-", "_").intern + IRB.fail(UndefinedPromptMode, + prompt_mode.id2name) unless @CONF[:PROMPT][prompt_mode] + @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[:USE_READLINE] = false + @CONF[:SCRIPT] = opt + $0 = opt + break + end + end + end + + # running config + def IRB.run_config + if @CONF[:RC] + rcs = [] + rcs.push File.expand_path("~/.irbrc") if ENV.key?("HOME") + rcs.push ".irbrc" + rcs.push "irb.rc" + rcs.push "_irbrc" + rcs.push "$irbrc" + catch(:EXIT) do + for rc in rcs + begin + load rc + throw :EXIT + rescue LoadError, Errno::ENOENT + rescue + print "load error: #{rc}\n" + print $!.type, ": ", $!, "\n" + for err in $@[0, $@.size - 2] + print "\t", err, "\n" + end + throw :EXIT + end + end + end + end + end + + # loading modules + def IRB.load_modules + for m in @CONF[:LOAD_MODULES] + begin + require m + rescue + print $@[0], ":", $!.type, ": ", $!, "\n" + end + end + end + + # initialize tracing function + def IRB.initialize_tracer + unless @TRACER_INITIALIZED + require("tracer") + Tracer.verbose = false + Tracer.add_filter { + |event, file, line, id, binding| + File::dirname(file) != @CONF[:IRB_LIB_PATH] + } + @TRACER_INITIALIZED = true + end + end + + # initialize mathn function + def IRB.initialize_mathn + unless @MATHN_INITIALIZED + require "mathn" + @MATHN_INITIALIZED = true + end + end + + # initialize loader function + def IRB.initialize_loader + unless @LOADER_INITIALIZED + require "irb/loader" + @LOADER_INITIALIZED = true + end + end +end |