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annotate regexParser/transition.h @ 184:1da1b2eacb84 pairPro

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gather struct
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Thu, 24 Dec 2015 20:09:21 +0900
parents d97bcab546e8
children ef798db705e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "bitVector.h"
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2
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3 StatePtr createState(BitVector bi);
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4 StatePtr appendState(StatePtr x,StatePtr y);
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5 /*
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6 正規表現木を辿って transition のList をつくる
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7 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
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8 重なっている状態はbitvectorのorをとる
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9 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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11 nextState == 0 は正規表現の末端を表す
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12 nextState == 1 は受理状態を表す
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13 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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14
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15 | の場合は両方のListを結合する
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16 + 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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17 左のノードに*がない場合は、右のほうだけみる
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18 * は直下のリストを使って、次の状態を自分自身にする
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19 */