Base class of exceptions from OptionParser.
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| Reason | = | 'parse error'.freeze |
Reason which caused the error. |
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| [R] | args | |
| [W] | reason |
Source: show
# File lib/optparse.rb, line 1771 def self.filter_backtrace(array) unless $DEBUG array.delete_if(&%r\A#{Regexp.quote(__FILE__)}:"o.method(:=~)) end array end
Source: show
# File lib/optparse.rb, line 1755 def initialize(*args) @args = args @reason = nil end
Source: show
# File lib/optparse.rb, line 1798 def inspect "#<#{self.class.to_s}: #{args.join(' ')}>" end
Default stringizing method to emit standard error message.
Source: show
# File lib/optparse.rb, line 1805 def message reason + ': ' + args.join(' ') end
Returns error reason. Override this for I18N.
Source: show
# File lib/optparse.rb, line 1794 def reason @reason || self.class::Reason end
Pushes back erred argument(s) to argv.
Source: show
# File lib/optparse.rb, line 1766 def recover(argv) argv[0, 0] = @args argv end
Source: show
# File lib/optparse.rb, line 1778 def set_backtrace(array) super(self.class.filter_backtrace(array)) end