Mercurial > hg > Applications > Grep
annotate regexParser/transition.h @ 177:8de9a33f6ae5 pairPro
change createState aug
author | Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp> |
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date | Wed, 23 Dec 2015 17:28:59 +0900 |
parents | c092dd0e1ae0 |
children | 5e8c6857934c |
rev | line source |
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1 #include "bitVector.h" |
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2 |
110 | 3 typedef struct transition { |
4 CharClassPtr condition; | |
5 struct transition *next; | |
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6 } Transition, *TransitionPtr; |
110 | 7 |
8 typedef struct state { | |
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implement createTransitionGenerator
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9 BitVector bitState; |
110 | 10 TransitionPtr transition; |
173 | 11 NodePtr nextNode; |
110 | 12 struct state *next; |
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13 } State, *StatePtr; |
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14 |
177
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change createState aug
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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15 StatePtr createState(BitVector bi); |
176
c092dd0e1ae0
implement appendState() and serchState()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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16 StatePtr appendState(StatePtr x,StatePtr y); |
172
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remove some warnings and errors (not working)
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17 TransitionPtr createTransition(CharClassPtr cc, BitVectorPtr state); |
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18 TransitionPtr appendTransition0(TransitionPtr curr,TransitionPtr next); |
84a2a5209d3a
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
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19 TransitionPtr appendTransition(TransitionPtr curr,TransitionPtr next); |
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20 |
110 | 21 /* |
22 正規表現木を辿って transition のList をつくる | |
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23 CharClass のかさなりを判定して重なりのない新しいCharClassをつくる |
110 | 24 重なっている状態はbitvectorのorをとる |
25 重なっている状態はそれぞれの状態について木をたどる | |
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26 |
110 | 27 nextState == 0 は正規表現の末端を表す |
28 nextState == 1 は受理状態を表す | |
29 正規表現のノードの番号 n に対応する 2^n のbitをセットした状態 | |
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30 |
110 | 31 | の場合は両方のListを結合する |
32 + の場合は左のノードに * がある場合は右のリストも結合する | |
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33 左のノードに*がない場合は、右のほうだけみる |
110 | 34 * は直下のリストを使って、次の状態を自分自身にする |
35 */ |