Base class of exceptions from OptionParser
.
Reason
which caused the error.
# File lib/optparse.rb, line 2047 def self.filter_backtrace(array) unless $DEBUG array.delete_if(&%r"\A#{Regexp.quote(__FILE__)}:"o.method(:=~)) end array end
# File lib/optparse.rb, line 2028 def initialize(*args, additional: nil) @additional = additional @arg0, = args @args = args @reason = nil end
# File lib/optparse.rb, line 2074 def inspect "#<#{self.class}: #{args.join(' ')}>" end
# File lib/optparse.rb, line 2081 def message "#{reason}: #{args.join(' ')}#{additional[@arg0] if additional}" end
Default stringizing method to emit standard error message.
# File lib/optparse.rb, line 2070 def reason @reason || self.class::Reason end
Returns error reason. Override this for I18N.
# File lib/optparse.rb, line 2042 def recover(argv) argv[0, 0] = @args argv end
Pushes back erred argument(s) to argv
.
# File lib/optparse.rb, line 2054 def set_backtrace(array) super(self.class.filter_backtrace(array)) end
Exception#set_backtrace
# File lib/optparse.rb, line 2058 def set_option(opt, eq) if eq @args[0] = opt else @args.unshift(opt) end self end
Ruby Core © 1993–2017 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.