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annotate regexParser/subsetConstraction.cc @ 167:3bf2c6d6d53e pairPro

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move regexparser dir
author masa
date Sat, 19 Dec 2015 15:38:45 +0900
parents c/regexParser/subsetConstraction.cc@96854eba17e5
children 6b31d6ef9ba4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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b807383bcc43 add createBitVectorList.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <ctype.h>
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4 #include "subsetConstraction.h"
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5
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6 CharClassPtr createCharClassWord(unsigned char *w, CharClassPtr cc1, CharClassPtr cc2) {
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7 CharClassPtr cc = NEW(CharClass);
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8 return cc;
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9 }
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10
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11 CharClassPtr mergeCCTree(CharClassPtr cc,unsigned char mBegin,unsigned char mEnd,BitVector nextState) {
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12 CharClassPtr cc1;
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13 if (cc) {
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14 cc1 = charClassMerge(cc,mBegin,mEnd,nextState);
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15 } else {
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16 cc1 = createCharClassRange(mBegin,mEnd,NULL,NULL);
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17 cc1->nextState = nextState;
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18 }
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19 return cc1;
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20 }
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21
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22 CharClassPtr charClassMerge(CharClassPtr cc,unsigned long begin, unsigned long end, BitVector nextState) {
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23 // 重なっているccの領域を分割する
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24 // 必要ならばnextStateを重ねあわせる
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25 // 変更があった場合は新しくリストを作って返す
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26 if (end < cc->cond.range.begin ) { // 1
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27 if (cc->left) {
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28 return createCharClassRange(cc->cond.range.begin,cc->cond.range.end,charClassMerge(cc->left,begin,end,nextState),cc->right);
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29 } else {
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30 CharClassPtr cc1 = createCharClassRange(begin,end,NULL,cc);
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31 cc1->nextState = nextState;
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32 return cc1;
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33 }
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34 } else if (end == cc->cond.range.begin && begin != end ) { // 2
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35 CharClassPtr cc1 = mergeCCTree(cc->left,begin,end-1,nextState);
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36 if (cc->cond.range.begin == cc->cond.range.end) {
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37 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,cc->cond.range.end,cc1,cc->right);
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38 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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39 return cc2;
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40 }
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41 CharClassPtr cc3 = createCharClassRange(cc->cond.range.begin+1,cc->cond.range.end,cc->left,cc->right);
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42 cc3->nextState = cc->nextState;
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43 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,cc->cond.range.begin,cc1,cc3);
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44 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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45 return cc2;
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46 } else if (end < cc->cond.range.end) { // range.begin < end
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47 if (begin < cc->cond.range.begin) { // 3
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48 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,nextState);
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49 CharClassPtr cc3 = createCharClassRange(end+1,cc->cond.range.end,cc->left,cc->right);
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50 cc3->nextState = cc->nextState;
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51 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,end,cc1,cc3);
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52 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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53 return cc2;
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54 }
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55 if (begin == cc->cond.range.begin) { // 6
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56 CharClassPtr cc2 = createCharClassRange(end+1,cc->cond.range.end,NULL,cc->right);
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57 cc2->nextState = cc->nextState;
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58 CharClassPtr cc1 = createCharClassRange(begin,end,cc->left,cc2);
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59 cc1->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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60 return cc1;
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61 }
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62 // 9
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63 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,begin-1,cc->left,NULL);
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64 cc2->nextState = cc->nextState;
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65 CharClassPtr cc3 = createCharClassRange(end+1,cc->cond.range.end,NULL,cc->right);
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66 cc3->nextState = cc->nextState;
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67 CharClassPtr cc1 = createCharClassRange(begin,end,cc2,cc3);
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68 cc1->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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69 return cc1;
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70 } else if (end == cc->cond.range.end) {
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71 if (begin == cc->cond.range.begin) { // 7
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72 CharClassPtr cc1 = createCharClassRange(begin,end,cc->left,cc->right);
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73 cc1->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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74 return cc1;
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75 } else if (begin < cc->cond.range.begin) { // 4
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76 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,nextState);
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77 CharClassPtr cc3 = createCharClassRange(cc->cond.range.begin,end,cc1,cc->right);
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78 cc3->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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79 return cc3;
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80 }
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81 // 10 cond.range.begin < begin
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82 CharClassPtr cc2 = createCharClassRange(begin,cc->cond.range.end,NULL,cc->right);
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83 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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84 CharClassPtr cc1 = createCharClassRange(cc->cond.range.begin,begin-1,cc->left,cc2);
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85 cc1->nextState = cc->nextState;
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86 return cc1;
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87 }
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88 if (begin > cc->cond.range.end ) { // 13
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89 if (cc->right) {
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90 return createCharClassRange(cc->cond.range.begin,cc->cond.range.end,cc->left,charClassMerge(cc->right,begin,end,nextState));
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91 } else {
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92 CharClassPtr cc1 = createCharClassRange(begin,end,cc,NULL);
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93 cc1->nextState = nextState;
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94 return cc1;
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95 }
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96 }
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97 if (begin >= cc->cond.range.begin && begin <= cc->cond.range.end) {
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98 if (end > cc->cond.range.end) { // cond.range.end < end
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99 if (begin == cc->cond.range.begin) { // 8
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100 CharClassPtr cc1 = mergeCCTree(cc->right,cc->cond.range.end+1,end,nextState);
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101 CharClassPtr cc3 = createCharClassRange(cc->cond.range.begin,cc->cond.range.end,cc->left,cc1);
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102 cc3->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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103 return cc3;
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104 }
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105 if (begin > cc->cond.range.begin) { // 11
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106 CharClassPtr cc1 = mergeCCTree(cc->right,cc->cond.range.end+1,end,nextState);
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107 CharClassPtr cc3 = createCharClassRange(cc->cond.range.begin,begin-1,cc->left,NULL);
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108 cc3->nextState = cc->nextState;
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109 CharClassPtr cc2 = createCharClassRange(begin,cc->cond.range.end,cc3,cc1);
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110 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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111 return cc2;
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112 }
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113 }
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114 // begin != end && end != cc->cond.range.end
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115 if (begin == cc->cond.range.end) { // 12
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116 CharClassPtr cc1 = mergeCCTree(cc->right,begin+1,end,nextState);
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117 if (cc->cond.range.begin == cc->cond.range.end) {
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118 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,cc->cond.range.end,cc1,cc->right);
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119 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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120 return cc2;
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121 }
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122 CharClassPtr cc3 = createCharClassRange(cc->cond.range.begin,cc->cond.range.end-1,cc->left,NULL);
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123 cc3->nextState = cc->nextState;
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124 CharClassPtr cc2 = createCharClassRange(cc->cond.range.end,cc->cond.range.end,cc1,cc3);
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125 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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126 return cc2;
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127 }
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128 } else if (begin < cc->cond.range.begin) { // 5
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129 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,nextState);
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130 CharClassPtr cc3 = mergeCCTree(cc->right,cc->cond.range.end+1,end,nextState);
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131 CharClassPtr cc2 = createCharClassRange(cc->cond.range.begin,cc->cond.range.end,cc1,cc3);
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132 cc2->nextState.bitContainer = cc->nextState.bitContainer | nextState.bitContainer;
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133 return cc2;
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134 } else {
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135 printf("charClassMerge Error : begin %lu end %lu cc->begin %lu cc->end %lu\n", begin,end,cc->cond.range.begin,cc->cond.range.end);
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136 }
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137 return cc;
143
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138 }
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139
142
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140 TGValue generateTransition(NodePtr n,TransitionGenerator tg) {
154
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141 TGValue tgv2;
141
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142 if (n->tokenType == '+') {
142
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143 TGValue tgv = generateTransition(n->left,tg);
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144 if (tgv.asterisk) {
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145 TGValue tgv1 = generateTransition(n->right,tg);
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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146 tgv.ts->nextState->bitContainer |= tgv1.ts->nextState->bitContainer;
142
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147 return tgv;
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148 }
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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149 TGValue tgv1 = generateTransition(n->right,tg);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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150 tgv.ts->nextState = tgv1.ts->nextState;
142
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151 return tgv;
141
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parents: 139
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152 } else if (n->tokenType == '|') {
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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153 TGValue tgv = generateTransition(n->left,tg);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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154 TGValue tgv1 = generateTransition(n->right,tg);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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155 tgv.ts = appendTransition(tgv.ts,tgv1.ts);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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156 return tgv;
141
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157 } else if (n->tokenType == '*') {
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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158 TGValue tgv = generateTransition(n->left,tg);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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159 tgv.asterisk = true;
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160 return tgv;
144
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161 } else if (n->tokenType == 'c'){
154
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162 return tgv2;
144
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parents: 143
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163 } else if (n->tokenType == 'a'){
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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164 TGValue tgv;
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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165 tgv.ts = (TransitionPtr)malloc(sizeof(Transition));
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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166 tgv.ts->condition = n->cc;
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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167 tgv.ts->nextState = (BitVectorPtr)malloc(sizeof(BitVector));
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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168 bitSet(tgv.ts->nextState,n->nodeNumber);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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169 tg.ts = appendTransition(tg.ts,tgv.ts);
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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170 return tgv;
141
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171 } else {
144
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parents: 143
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172 // error
141
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173 }
154
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174 return tgv2;
141
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175 }
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176
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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177 void printTransitionList(TransitionPtr ts) {
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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178 for (;ts;ts = ts->next) {
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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179 printf("\n");
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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180 }
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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181 }
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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182
144
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parents: 143
diff changeset
183 TransitionGenerator generateTransitionList(NodePtr n) {
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184 TransitionGenerator tg;
153
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 152
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185 tg.ts = (TransitionPtr)malloc(sizeof(Transition));
141
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parents: 139
diff changeset
186 generateTransition(n,tg);
153
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parents: 152
diff changeset
187 printTransitionList(tg.ts);
141
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188 return tg;
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parents: 139
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189 }