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1 | #
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2 | # math-mode.rb -
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3 | # $Release Version: 0.9.5$
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4 | # $Revision: 11708 $
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5 | # $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
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6 | # by Keiju ISHITSUKA([email protected])
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7 | #
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8 | # --
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9 | #
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10 | #
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11 | #
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12 | require "mathn"
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13 |
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14 | module IRB
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15 | class Context
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16 | attr_reader :math_mode
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17 | alias math? math_mode
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18 |
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19 | def math_mode=(opt)
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20 | if @math_mode == true && opt == false
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21 | IRB.fail CantReturnToNormalMode
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22 | return
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23 | end
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24 |
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25 | @math_mode = opt
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26 | if math_mode
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27 | main.extend Math
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28 | print "start math mode\n" if verbose?
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29 | end
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30 | end
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31 |
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32 | def inspect?
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33 | @inspect_mode.nil? && !@math_mode or @inspect_mode
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34 | end
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35 | end
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36 | end
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37 |
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