Mercurial > hg > Applications > Grep
annotate regexParser/CharClass.cc @ 310:df27e6cab846
CharClassMerge with Word ( no match implementation )
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 08 Feb 2016 19:23:37 +0900 |
parents | 058c87665213 |
children | 66012db6a717 |
rev | line source |
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96
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1 #include <stdio.h> |
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2 #include <stdlib.h> |
101 | 3 #include <ctype.h> |
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4 |
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5 #include "regexParser.h" |
216 | 6 #include "subsetConstruction.h" |
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7 #include "node.h" |
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8 #include "BitVector.h" |
192
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9 #include "error.h" |
168
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10 |
308 | 11 #include "CharClass.h" |
12 | |
309 | 13 CharClassPtr createCharClassRange(unsigned long begin, unsigned long end,unsigned long state, CharClassPtr left, CharClassPtr right) { |
14 CharClassPtr cc = NEW(CharClass); | |
15 cc->cond.range.begin = begin; | |
16 cc->cond.range.end = end; | |
17 cc->cond.w.word = NULL; | |
18 cc->cond.w.length = 0; | |
310
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19 cc->cond.w.next = NULL; |
309 | 20 cc->left = left; |
21 cc->right = right; | |
22 cc->nextState.bitContainer = state; | |
23 return cc; | |
24 } | |
308 | 25 |
26 CharClassPtr createCharClassWord(RegexInfoPtr ri) { | |
27 CharClassPtr cc = NEW(CharClass); | |
28 cc->left = NULL; | |
29 cc->right = NULL; | |
30 cc->cond.w.word = ri->tokenValue; | |
31 cc->cond.w.length = ri->ptr - ri->tokenValue; | |
310
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32 cc->cond.w.next = NULL; |
308 | 33 cc->cond.range.begin = cc->cond.range.end = *ri->tokenValue; |
34 return cc; | |
35 } | |
36 | |
310
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37 CharClassPtr createCharClassRangeWord(unsigned long begin, unsigned long end,CharClassPtr cc,CharClassPtr m, CharClassPtr left, CharClassPtr right) { |
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38 // same range and seme nextState? |
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39 CharClassPtr ncc = NEW(CharClass); |
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40 ncc->cond.range.begin = begin; |
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41 ncc->cond.range.end = end; |
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42 ncc->cond.w = cc->cond.w; |
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43 ncc->left = left; |
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44 ncc->right = right; |
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45 if (!m) { |
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46 ncc->nextState.bitContainer = cc->nextState.bitContainer; |
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47 return ncc; |
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48 } |
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49 if (m->cond.w.word) { |
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50 WordPtr w = &m->cond.w; |
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51 WordPtr *next = &ncc->cond.w.next; |
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52 while(w->next) { // insert sort? |
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53 WordPtr n = NEW(Word); |
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54 n->word = w->word; |
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55 n->length = w->length; |
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56 *next = n; |
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57 next = &n->next; |
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58 w = w->next; |
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59 } |
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60 *next = &m->cond.w; |
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61 } |
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62 ncc->nextState.bitContainer = m->nextState.bitContainer | cc->nextState.bitContainer; |
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63 return ncc; |
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64 } |
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65 |
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66 |
308 | 67 /* |
68 cond.range.begin cond.range.end | |
69 |----------------| | |
70 1.b---e | |
71 2.b------e | |
72 3.b------------e | |
73 4.b-----------------------e | |
74 5.b----------------------------e | |
75 | |
76 |----------------| | |
77 6. b---------e | |
78 7. b----------------e | |
79 8. b---------------------e | |
80 | |
81 |----------------| | |
82 9. b-----e | |
83 10. b--------e | |
84 11. b-------------e | |
85 | |
86 |----------------| | |
87 12. b-----e | |
88 | |
89 |----------------| | |
90 13. b--e | |
91 | |
92 */ | |
93 CharClassPtr insertCharClass(CharClassPtr cc, unsigned long begin, unsigned long end) { | |
94 if (begin>end) { | |
95 unsigned long tmp = begin; begin = end; end = tmp; | |
96 } | |
97 if (cc == NULL) { | |
98 return createCharClassRange(begin,end,0,0,0); | |
99 } | |
100 if (end < cc->cond.range.begin ) { // 1 | |
101 if (cc->left) { | |
102 cc->left = insertCharClass(cc->left,begin,end); | |
103 } else { | |
104 cc->left = createCharClassRange(begin,end,0,0,0); | |
105 } | |
106 return cc; | |
107 } else if (end == cc->cond.range.begin ) { // 2 | |
108 cc->cond.range.begin = begin; | |
109 return cc; | |
110 } else if (end <= cc->cond.range.end) { // 3,4,6,7,9,10 | |
111 if (begin < cc->cond.range.begin) { // 3,4 | |
112 cc->cond.range.begin = begin; | |
113 } | |
114 return cc; | |
115 } else if (begin > cc->cond.range.end ) { // 13 | |
116 if (cc->right) { | |
117 cc->right = insertCharClass(cc->right,begin,end); | |
118 } else { | |
119 cc->right = createCharClassRange(begin,end,0,0,0); | |
120 } | |
121 return cc; | |
122 } | |
123 if (cc->right) { | |
124 CharClassPtr right = cc->right; | |
125 begin = cc->cond.range.begin; | |
126 free(cc); | |
127 return insertCharClass(right,begin,end); | |
128 } | |
129 if (begin >= cc->cond.range.begin && begin <= cc->cond.range.end) { // 12 | |
130 if (end > cc->cond.range.end) cc->cond.range.end = end; // 11,8 | |
131 } else if (begin < cc->cond.range.begin) { // 5 | |
132 cc->cond.range.begin = begin; | |
133 cc->cond.range.end = end; | |
134 } else { | |
135 printf("insertCharClass Error : begin %lu end %lu cc->begin %lu cc->end %lu\n", begin,end,cc->cond.range.begin,cc->cond.range.end); | |
136 } | |
137 return cc; | |
138 } | |
139 | |
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141 |
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142 CharClassPtr charClassMerge(CharClassPtr cc,unsigned long begin, unsigned long end, CharClassPtr m) ; |
308 | 143 |
310
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144 CharClassPtr mergeCCTree(CharClassPtr cc,unsigned char mBegin,unsigned char mEnd,CharClassPtr m) { |
166
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145 CharClassPtr cc1; |
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146 if (cc) { |
310
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147 cc1 = charClassMerge(cc,mBegin,mEnd,m); |
166
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148 } else { |
310
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149 cc1 = createCharClassRangeWord(mBegin,mEnd,m,NULL,NULL,NULL); |
166
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150 } |
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151 return cc1; |
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152 } |
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153 |
261
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154 /* |
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155 cond.range.begin cond.range.end |
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156 |----------------| |
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157 1.b---e |
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158 2.b------e |
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159 3.b------------e |
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160 4.b-----------------------e |
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161 5.b----------------------------e |
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162 |
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163 |----------------| |
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164 6. b---------e |
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165 7. b----------------e |
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166 8. b---------------------e |
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167 |
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168 |----------------| |
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169 9. b-----e |
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170 10. b--------e |
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171 11. b-------------e |
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172 |
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173 |----------------| |
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174 12. b-----e |
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175 |
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176 |----------------| |
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177 13. b--e |
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178 |
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179 */ |
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180 |
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181 CharClassPtr charClassMerge(CharClassPtr cc,unsigned long begin, unsigned long end, CharClassPtr m) { |
143 | 182 // 重なっているccの領域を分割する |
183 // 必要ならばnextStateを重ねあわせる | |
184 // 変更があった場合は新しくリストを作って返す | |
152 | 185 if (end < cc->cond.range.begin ) { // 1 |
186 if (cc->left) { | |
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187 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.end,m,NULL,charClassMerge(cc->left,begin,end,m),cc->right); |
152 | 188 } else { |
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189 return createCharClassRangeWord(begin,end,m,NULL,NULL,cc); |
152 | 190 } |
163 | 191 } else if (end == cc->cond.range.begin && begin != end ) { // 2 |
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192 CharClassPtr cc1 = mergeCCTree(cc->left,begin,end-1,m); |
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193 if (cc->cond.range.begin == cc->cond.range.end) { |
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194 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.end, |
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195 cc,m, cc1,cc->right); |
155 | 196 } |
310
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197 CharClassPtr cc3 = createCharClassRangeWord(cc->cond.range.begin+1,cc->cond.range.end,cc,NULL,cc->left,cc->right); |
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198 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.begin, |
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199 cc,m,cc1,cc3); |
163 | 200 } else if (end < cc->cond.range.end) { // range.begin < end |
155 | 201 if (begin < cc->cond.range.begin) { // 3 |
310
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202 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,m); |
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203 CharClassPtr cc3 = createCharClassRangeWord(end+1,cc->cond.range.end,cc,NULL,cc->left,cc->right); |
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204 return createCharClassRangeWord(cc->cond.range.begin,end,m,cc,cc1,cc3); |
152 | 205 } |
155 | 206 if (begin == cc->cond.range.begin) { // 6 |
310
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207 CharClassPtr cc2 = createCharClassRangeWord(end+1,cc->cond.range.end,cc,NULL,NULL,cc->right); |
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208 return createCharClassRangeWord(begin,end,cc,m,cc->left,cc2); |
155 | 209 } |
210 // 9 | |
310
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211 CharClassPtr cc2 = createCharClassRangeWord(cc->cond.range.begin,begin-1,cc,NULL,cc->left,NULL); |
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212 CharClassPtr cc3 = createCharClassRangeWord(end+1,cc->cond.range.end,cc,NULL,NULL,cc->right); |
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213 return createCharClassRangeWord(begin,end,cc,m,cc2,cc3); |
155 | 214 } else if (end == cc->cond.range.end) { |
215 if (begin == cc->cond.range.begin) { // 7 | |
310
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216 return createCharClassRangeWord(begin,end,cc,m,cc->left,cc->right); |
155 | 217 } else if (begin < cc->cond.range.begin) { // 4 |
310
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218 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,m); |
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219 return createCharClassRangeWord(cc->cond.range.begin,end,cc,m,cc1,cc->right); |
155 | 220 } |
163 | 221 // 10 cond.range.begin < begin |
310
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222 CharClassPtr cc2 = createCharClassRangeWord(begin,cc->cond.range.end,cc,m,NULL,cc->right); |
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223 return createCharClassRangeWord(cc->cond.range.begin,begin-1,cc,NULL,cc->left,cc2); |
143 | 224 } |
155 | 225 if (begin > cc->cond.range.end ) { // 13 |
226 if (cc->right) { | |
310
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227 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.end,cc,NULL,cc->left,charClassMerge(cc->right,begin,end,m)); |
155 | 228 } else { |
310
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229 return createCharClassRangeWord(begin,end,m,NULL,cc,NULL); |
155 | 230 } |
152 | 231 } |
155 | 232 if (begin >= cc->cond.range.begin && begin <= cc->cond.range.end) { |
163 | 233 if (end > cc->cond.range.end) { // cond.range.end < end |
155 | 234 if (begin == cc->cond.range.begin) { // 8 |
310
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235 CharClassPtr cc1 = mergeCCTree(cc->right,cc->cond.range.end+1,end,m); |
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236 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.end, |
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237 cc,m,cc->left,cc1); |
155 | 238 } |
211
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239 if (begin > cc->cond.range.begin) { // 11,12 |
310
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240 CharClassPtr cc1 = mergeCCTree(cc->right,cc->cond.range.end+1,end,m); |
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241 CharClassPtr cc3 = createCharClassRangeWord(cc->cond.range.begin,begin-1,cc,m,cc->left,NULL); |
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242 return createCharClassRangeWord(begin,cc->cond.range.end,cc,m,cc3,cc1); |
156
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243 } |
155 | 244 } |
156
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245 } else if (begin < cc->cond.range.begin) { // 5 |
310
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246 CharClassPtr cc1 = mergeCCTree(cc->left,begin,cc->cond.range.begin-1,m); |
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247 CharClassPtr cc3 = mergeCCTree(cc->right,cc->cond.range.end+1,end,m); |
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248 return createCharClassRangeWord(cc->cond.range.begin,cc->cond.range.end,cc,m,cc1,cc3); |
152 | 249 } else { |
250 printf("charClassMerge Error : begin %lu end %lu cc->begin %lu cc->end %lu\n", begin,end,cc->cond.range.begin,cc->cond.range.end); | |
251 } | |
252 return cc; | |
143 | 253 } |
254 | |
181
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255 void findLeftMost(CharClassPtr next,CharClassWalkerPtr walk) { |
169
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256 while (next->left) { |
171
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diff
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257 CharClassStackPtr ccs = NEW(CharClassStack); |
180
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258 ccs->next = walk->stack; |
201
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259 ccs->turn = walk->turn; |
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260 walk->turn = LEFT; |
171
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diff
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261 ccs->cc = next; |
180
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262 walk->stack = ccs; |
169
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diff
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263 next = next->left; |
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264 } |
201
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diff
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265 walk->turn = SELF; |
172
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diff
changeset
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266 walk->next = next; |
169
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267 } |
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268 |
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changeset
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269 CharClassWalkerPtr createCharClassWalker (CharClassPtr next) { |
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270 CharClassWalkerPtr walk = NEW(CharClassWalker); |
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diff
changeset
|
271 walk->next = NULL; |
180
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diff
changeset
|
272 walk->stack = NULL; |
241
87ad91af8a15
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239
diff
changeset
|
273 walk->turn = LEFT; |
169
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diff
changeset
|
274 if (!next) return walk; |
181
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180
diff
changeset
|
275 findLeftMost(next,walk); |
169
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diff
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276 return walk; |
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diff
changeset
|
277 } |
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diff
changeset
|
278 |
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diff
changeset
|
279 bool hasNext(CharClassWalkerPtr walk) { |
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diff
changeset
|
280 return walk->next != NULL; |
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168
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changeset
|
281 } |
313f1c176328
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diff
changeset
|
282 |
180
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178
diff
changeset
|
283 CharClassStackPtr charClassStackPop(CharClassWalkerPtr walk) { |
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diff
changeset
|
284 CharClassStackPtr prev = walk->stack->next; |
209
959f8c00da17
fix charClassStackPop()
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208
diff
changeset
|
285 walk->turn = walk->stack->turn; |
180
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diff
changeset
|
286 free(walk->stack); |
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diff
changeset
|
287 walk->stack = prev; |
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diff
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288 return prev; |
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diff
changeset
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289 } |
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changeset
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290 |
169
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diff
changeset
|
291 CharClassPtr getNext(CharClassWalkerPtr walk) { |
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diff
changeset
|
292 CharClassPtr current = walk->next; |
180
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diff
changeset
|
293 walk->next = NULL; |
201
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changeset
|
294 if (walk->turn == SELF) { |
180
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diff
changeset
|
295 if (current->right) { |
201
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diff
changeset
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296 walk->turn = RIGHT; |
181
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diff
changeset
|
297 findLeftMost(current->right,walk); |
180
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diff
changeset
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298 return current; |
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changeset
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299 } |
201
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changeset
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300 } |
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changeset
|
301 while (walk->stack) { |
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diff
changeset
|
302 walk->next = walk->stack->cc; |
180
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diff
changeset
|
303 charClassStackPop(walk); |
201
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changeset
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304 if (walk->turn == LEFT) { |
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changeset
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305 walk->turn = SELF; |
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changeset
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306 return current; |
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307 } |
254
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250
diff
changeset
|
308 } |
169
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diff
changeset
|
309 return current; |
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diff
changeset
|
310 } |
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diff
changeset
|
311 |
182
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implement stateAllocate()
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181
diff
changeset
|
312 void setState(CharClassPtr cc, BitVector bi) { |
248
2b1fbfb92d54
implement tSearch
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244
diff
changeset
|
313 // if (word case) setNext(bitVector to the word list) |
189 | 314 cc->nextState = bi; |
182
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181
diff
changeset
|
315 if (cc->left) { |
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diff
changeset
|
316 setState(cc->left,bi); |
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diff
changeset
|
317 } |
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181
diff
changeset
|
318 if (cc->right) { |
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181
diff
changeset
|
319 setState(cc->right,bi); |
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diff
changeset
|
320 } |
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181
diff
changeset
|
321 } |
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diff
changeset
|
322 |
190
3e8e5780ad4a
change node::State to State
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
189
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323 CharClassPtr mergeTransition(StatePtr x,CharClassPtr y) { |
178
5e8c6857934c
implement charClassMerge
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
177
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324 if (x->cc == NULL) { |
5e8c6857934c
implement charClassMerge
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325 return y; |
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326 } |
5e8c6857934c
implement charClassMerge
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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327 CharClassWalkerPtr walk = createCharClassWalker(x->cc); |
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328 CharClassPtr ccy = y; |
208
2ec95755238e
fix mergetest
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
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329 while (hasNext(walk)) { |
2ec95755238e
fix mergetest
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
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330 CharClassPtr cc = getNext(walk); |
171
684363c44d6f
remove some warning and error (not working)
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
170
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331 unsigned long begin = cc->cond.range.begin; |
684363c44d6f
remove some warning and error (not working)
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
170
diff
changeset
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332 unsigned long end = cc->cond.range.end; |
310
df27e6cab846
CharClassMerge with Word ( no match implementation )
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
309
diff
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333 ccy = charClassMerge(ccy,begin,end,cc); |
169
313f1c176328
implement mergeTransition
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
168
diff
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334 } |
313f1c176328
implement mergeTransition
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
168
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335 free(walk); |
178
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implement charClassMerge
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
177
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336 return ccy; |
169
313f1c176328
implement mergeTransition
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
168
diff
changeset
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337 } |
313f1c176328
implement mergeTransition
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
168
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338 |
308 | 339 /* end */ |