Mercurial > hg > Applications > Grep
annotate regexParser/transition.h @ 178:5e8c6857934c pairPro
implement charClassMerge
author | Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Wed, 23 Dec 2015 19:17:36 +0900 |
parents | 8de9a33f6ae5 |
children | d97bcab546e8 |
rev | line source |
---|---|
116
66c633575b53
remove error and warning
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
112
diff
changeset
|
1 #include "bitVector.h" |
66c633575b53
remove error and warning
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
112
diff
changeset
|
2 |
110 | 3 typedef struct state { |
175
3be0fbcd4b52
implement createTransitionGenerator
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
173
diff
changeset
|
4 BitVector bitState; |
178
5e8c6857934c
implement charClassMerge
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
177
diff
changeset
|
5 CharClassPtr cc; |
5e8c6857934c
implement charClassMerge
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
177
diff
changeset
|
6 NodePtr node; |
110 | 7 struct state *next; |
116
66c633575b53
remove error and warning
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
112
diff
changeset
|
8 } State, *StatePtr; |
140
84a2a5209d3a
change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
116
diff
changeset
|
9 |
177
8de9a33f6ae5
change createState aug
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
176
diff
changeset
|
10 StatePtr createState(BitVector bi); |
176
c092dd0e1ae0
implement appendState() and serchState()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
175
diff
changeset
|
11 StatePtr appendState(StatePtr x,StatePtr y); |
172
540fc12871d9
remove some warnings and errors (not working)
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
169
diff
changeset
|
12 TransitionPtr createTransition(CharClassPtr cc, BitVectorPtr state); |
140
84a2a5209d3a
change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
116
diff
changeset
|
13 TransitionPtr appendTransition0(TransitionPtr curr,TransitionPtr next); |
84a2a5209d3a
change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
116
diff
changeset
|
14 TransitionPtr appendTransition(TransitionPtr curr,TransitionPtr next); |
84a2a5209d3a
change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
116
diff
changeset
|
15 |
110 | 16 /* |
17 正規表現木を辿って transition のList をつくる | |
112
ec485345daf9
some function use static
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
110
diff
changeset
|
18 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 | 19 重なっている状態はbitvectorのorをとる |
20 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 | |
112
ec485345daf9
some function use static
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
110
diff
changeset
|
21 |
110 | 22 nextState == 0 は正規表現の末端を表す |
23 nextState == 1 は受理状態を表す | |
24 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 | |
112
ec485345daf9
some function use static
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
110
diff
changeset
|
25 |
110 | 26 | の場合は両方のListを結合する |
27 + 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 | |
112
ec485345daf9
some function use static
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
110
diff
changeset
|
28 左のノードに*がない場合は、右のほうだけみる |
110 | 29 * は直下のリストを使って、次の状態を自分自身にする |
30 */ |