Contents

# Copyright (C) 2010 Rocky Bernstein <[e-mail]>
class Trepan
  module Condition
    def valid_condition?(str)
      begin
        RubyVM::InstructionSequence.compile(str)
      rescue SyntaxError => e
        return nil
      rescue
        nil
      end
    end
    module_function :valid_condition?
  end
end
if __FILE__ == $0
  include Trepan::Condition
  p valid_condition?('a+2')
  puts '-' * 20
  p valid_condition?('1+')
  puts '-' * 20
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
trepanning-2.15.35	app/condition.rb
trepanning-1.93.35	app/condition.rb
trepanning-2.15.33	app/condition.rb
trepanning-1.93.32	app/condition.rb
trepanning-0.1.6	app/condition.rb
trepanning-0.1.4	app/condition.rb
trepanning-0.1.3	app/condition.rb
trepanning-0.1.2	app/condition.rb
trepanning-0.1.1	app/condition.rb