Mercurial > hg > Applications > Grep

annotate regexParser/transition.h @ 169:313f1c176328 pairPro

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
implement mergeTransition
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Sat, 19 Dec 2015 19:06:35 +0900
parents 3bf2c6d6d53e
children 540fc12871d9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
a3adc5c24e19 start branch
masa
parents:
diff changeset
3 typedef struct transition {
a3adc5c24e19 start branch
masa
parents:
diff changeset
4 CharClassPtr condition;
a3adc5c24e19 start branch
masa
parents:
diff changeset
5 struct transition *next;
116
66c633575b53 remove error and warning
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 112
diff changeset
6 } Transition, *TransitionPtr;
110
a3adc5c24e19 start branch
masa
parents:
diff changeset
7
a3adc5c24e19 start branch
masa
parents:
diff changeset
8 typedef struct state {
a3adc5c24e19 start branch
masa
parents:
diff changeset
9 TransitionPtr transition;
a3adc5c24e19 start branch
masa
parents:
diff changeset
10 struct state *next;
116
66c633575b53 remove error and warning
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 112
diff changeset
11 } State, *StatePtr;
140
84a2a5209d3a change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 116
diff changeset
12
141
71f36a59cf6a add appendState
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 140
diff changeset
13 StatePtr createState(BitVectorPtr bi, TransitionPtr ts, StatePtr next);
71f36a59cf6a add appendState
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 140
diff changeset
14 StatePtr appendState(StatePtr x, StatePtr y);
169
313f1c176328 implement mergeTransition
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 167
diff changeset
15 TransitionPtr createTransition(CharClassPtr cc);
140
84a2a5209d3a change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 116
diff changeset
16 TransitionPtr appendTransition0(TransitionPtr curr,TransitionPtr next);
84a2a5209d3a change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 116
diff changeset
17 TransitionPtr appendTransition(TransitionPtr curr,TransitionPtr next);
84a2a5209d3a change some variable name
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 116
diff changeset
18
110
a3adc5c24e19 start branch
masa
parents:
diff changeset
19 /*
a3adc5c24e19 start branch
masa
parents:
diff changeset
20 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
21 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
a3adc5c24e19 start branch
masa
parents:
diff changeset
22 重なっている状態はbitvectorのorをとる
a3adc5c24e19 start branch
masa
parents:
diff changeset
23 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
24
110
a3adc5c24e19 start branch
masa
parents:
diff changeset
25 nextState == 0 は正規表現の末端を表す
a3adc5c24e19 start branch
masa
parents:
diff changeset
26 nextState == 1 は受理状態を表す
a3adc5c24e19 start branch
masa
parents:
diff changeset
27 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
28
110
a3adc5c24e19 start branch
masa
parents:
diff changeset
29 | の場合は両方のListを結合する
a3adc5c24e19 start branch
masa
parents:
diff changeset
30 + 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
31 左のノードに*がない場合は、右のほうだけみる
110
a3adc5c24e19 start branch
masa
parents:
diff changeset
32 * は直下のリストを使って、次の状態を自分自身にする
a3adc5c24e19 start branch
masa
parents:
diff changeset
33 */