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|
#
# irb/init.rb - irb initialize module
# $Release Version: 0.7.3$
# $Revision$
# $Date$
# by Keiju ISHITSUKA(keiju@ishitsuka.com)
#
# --
#
#
#
module IRB
# initialize config
# (JP: config$B$N=i4|2=(B)
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
# (JP: $B%G%U%)%k%H%3%s%U%#%.%e%l!<%7%g%s(B)
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
# (JP: $B%*%W%7%g%s2r@O(B)
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
# (JP: $B%H%l!<%5=i4|@_Dj(B)
def IRB.initialize_tracer
unless @TRACER_INITIALIZED
require("tracer")
Tracer.verbose = false
Tracer.add_filter {
|event, file, line, id, binding|
File::dirname(file) != @CONF[:IRB_LIB_PATH]
}
@TRACER_INITIALIZED = true
end
end
# initialize mathn function
# (JP: mathn$B=i4|@_Dj(B)
def IRB.initialize_mathn
unless @MATHN_INITIALIZED
require "mathn"
@MATHN_INITIALIZED = true
end
end
# initialize loader function
# (JP: loader$B=i4|@_Dj(B)
def IRB.initialize_loader
unless @LOADER_INITIALIZED
require "irb/loader"
@LOADER_INITIALIZED = true
end
end
end
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