basque_stemmer.py 20 KB

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  1. # Generated by Snowball 2.2.0 - https://snowballstem.org/
  2. from .basestemmer import BaseStemmer
  3. from .among import Among
  4. class BasqueStemmer(BaseStemmer):
  5. '''
  6. This class implements the stemming algorithm defined by a snowball script.
  7. Generated by Snowball 2.2.0 - https://snowballstem.org/
  8. '''
  9. a_0 = [
  10. Among(u"idea", -1, 1),
  11. Among(u"bidea", 0, 1),
  12. Among(u"kidea", 0, 1),
  13. Among(u"pidea", 0, 1),
  14. Among(u"kundea", -1, 1),
  15. Among(u"galea", -1, 1),
  16. Among(u"tailea", -1, 1),
  17. Among(u"tzailea", -1, 1),
  18. Among(u"gunea", -1, 1),
  19. Among(u"kunea", -1, 1),
  20. Among(u"tzaga", -1, 1),
  21. Among(u"gaia", -1, 1),
  22. Among(u"aldia", -1, 1),
  23. Among(u"taldia", 12, 1),
  24. Among(u"karia", -1, 1),
  25. Among(u"garria", -1, 2),
  26. Among(u"karria", -1, 1),
  27. Among(u"ka", -1, 1),
  28. Among(u"tzaka", 17, 1),
  29. Among(u"la", -1, 1),
  30. Among(u"mena", -1, 1),
  31. Among(u"pena", -1, 1),
  32. Among(u"kina", -1, 1),
  33. Among(u"ezina", -1, 1),
  34. Among(u"tezina", 23, 1),
  35. Among(u"kuna", -1, 1),
  36. Among(u"tuna", -1, 1),
  37. Among(u"kizuna", -1, 1),
  38. Among(u"era", -1, 1),
  39. Among(u"bera", 28, 1),
  40. Among(u"arabera", 29, 4),
  41. Among(u"kera", 28, 1),
  42. Among(u"pera", 28, 1),
  43. Among(u"orra", -1, 1),
  44. Among(u"korra", 33, 1),
  45. Among(u"dura", -1, 1),
  46. Among(u"gura", -1, 1),
  47. Among(u"kura", -1, 1),
  48. Among(u"tura", -1, 1),
  49. Among(u"eta", -1, 1),
  50. Among(u"keta", 39, 1),
  51. Among(u"gailua", -1, 1),
  52. Among(u"eza", -1, 1),
  53. Among(u"erreza", 42, 1),
  54. Among(u"tza", -1, 2),
  55. Among(u"gaitza", 44, 1),
  56. Among(u"kaitza", 44, 1),
  57. Among(u"kuntza", 44, 1),
  58. Among(u"ide", -1, 1),
  59. Among(u"bide", 48, 1),
  60. Among(u"kide", 48, 1),
  61. Among(u"pide", 48, 1),
  62. Among(u"kunde", -1, 1),
  63. Among(u"tzake", -1, 1),
  64. Among(u"tzeke", -1, 1),
  65. Among(u"le", -1, 1),
  66. Among(u"gale", 55, 1),
  67. Among(u"taile", 55, 1),
  68. Among(u"tzaile", 55, 1),
  69. Among(u"gune", -1, 1),
  70. Among(u"kune", -1, 1),
  71. Among(u"tze", -1, 1),
  72. Among(u"atze", 61, 1),
  73. Among(u"gai", -1, 1),
  74. Among(u"aldi", -1, 1),
  75. Among(u"taldi", 64, 1),
  76. Among(u"ki", -1, 1),
  77. Among(u"ari", -1, 1),
  78. Among(u"kari", 67, 1),
  79. Among(u"lari", 67, 1),
  80. Among(u"tari", 67, 1),
  81. Among(u"etari", 70, 1),
  82. Among(u"garri", -1, 2),
  83. Among(u"karri", -1, 1),
  84. Among(u"arazi", -1, 1),
  85. Among(u"tarazi", 74, 1),
  86. Among(u"an", -1, 1),
  87. Among(u"ean", 76, 1),
  88. Among(u"rean", 77, 1),
  89. Among(u"kan", 76, 1),
  90. Among(u"etan", 76, 1),
  91. Among(u"atseden", -1, 3),
  92. Among(u"men", -1, 1),
  93. Among(u"pen", -1, 1),
  94. Among(u"kin", -1, 1),
  95. Among(u"rekin", 84, 1),
  96. Among(u"ezin", -1, 1),
  97. Among(u"tezin", 86, 1),
  98. Among(u"tun", -1, 1),
  99. Among(u"kizun", -1, 1),
  100. Among(u"go", -1, 1),
  101. Among(u"ago", 90, 1),
  102. Among(u"tio", -1, 1),
  103. Among(u"dako", -1, 1),
  104. Among(u"or", -1, 1),
  105. Among(u"kor", 94, 1),
  106. Among(u"tzat", -1, 1),
  107. Among(u"du", -1, 1),
  108. Among(u"gailu", -1, 1),
  109. Among(u"tu", -1, 1),
  110. Among(u"atu", 99, 1),
  111. Among(u"aldatu", 100, 1),
  112. Among(u"tatu", 100, 1),
  113. Among(u"baditu", 99, 5),
  114. Among(u"ez", -1, 1),
  115. Among(u"errez", 104, 1),
  116. Among(u"tzez", 104, 1),
  117. Among(u"gaitz", -1, 1),
  118. Among(u"kaitz", -1, 1)
  119. ]
  120. a_1 = [
  121. Among(u"ada", -1, 1),
  122. Among(u"kada", 0, 1),
  123. Among(u"anda", -1, 1),
  124. Among(u"denda", -1, 1),
  125. Among(u"gabea", -1, 1),
  126. Among(u"kabea", -1, 1),
  127. Among(u"aldea", -1, 1),
  128. Among(u"kaldea", 6, 1),
  129. Among(u"taldea", 6, 1),
  130. Among(u"ordea", -1, 1),
  131. Among(u"zalea", -1, 1),
  132. Among(u"tzalea", 10, 1),
  133. Among(u"gilea", -1, 1),
  134. Among(u"emea", -1, 1),
  135. Among(u"kumea", -1, 1),
  136. Among(u"nea", -1, 1),
  137. Among(u"enea", 15, 1),
  138. Among(u"zionea", 15, 1),
  139. Among(u"unea", 15, 1),
  140. Among(u"gunea", 18, 1),
  141. Among(u"pea", -1, 1),
  142. Among(u"aurrea", -1, 1),
  143. Among(u"tea", -1, 1),
  144. Among(u"kotea", 22, 1),
  145. Among(u"artea", 22, 1),
  146. Among(u"ostea", 22, 1),
  147. Among(u"etxea", -1, 1),
  148. Among(u"ga", -1, 1),
  149. Among(u"anga", 27, 1),
  150. Among(u"gaia", -1, 1),
  151. Among(u"aldia", -1, 1),
  152. Among(u"taldia", 30, 1),
  153. Among(u"handia", -1, 1),
  154. Among(u"mendia", -1, 1),
  155. Among(u"geia", -1, 1),
  156. Among(u"egia", -1, 1),
  157. Among(u"degia", 35, 1),
  158. Among(u"tegia", 35, 1),
  159. Among(u"nahia", -1, 1),
  160. Among(u"ohia", -1, 1),
  161. Among(u"kia", -1, 1),
  162. Among(u"tokia", 40, 1),
  163. Among(u"oia", -1, 1),
  164. Among(u"koia", 42, 1),
  165. Among(u"aria", -1, 1),
  166. Among(u"karia", 44, 1),
  167. Among(u"laria", 44, 1),
  168. Among(u"taria", 44, 1),
  169. Among(u"eria", -1, 1),
  170. Among(u"keria", 48, 1),
  171. Among(u"teria", 48, 1),
  172. Among(u"garria", -1, 2),
  173. Among(u"larria", -1, 1),
  174. Among(u"kirria", -1, 1),
  175. Among(u"duria", -1, 1),
  176. Among(u"asia", -1, 1),
  177. Among(u"tia", -1, 1),
  178. Among(u"ezia", -1, 1),
  179. Among(u"bizia", -1, 1),
  180. Among(u"ontzia", -1, 1),
  181. Among(u"ka", -1, 1),
  182. Among(u"joka", 60, 3),
  183. Among(u"aurka", 60, 10),
  184. Among(u"ska", 60, 1),
  185. Among(u"xka", 60, 1),
  186. Among(u"zka", 60, 1),
  187. Among(u"gibela", -1, 1),
  188. Among(u"gela", -1, 1),
  189. Among(u"kaila", -1, 1),
  190. Among(u"skila", -1, 1),
  191. Among(u"tila", -1, 1),
  192. Among(u"ola", -1, 1),
  193. Among(u"na", -1, 1),
  194. Among(u"kana", 72, 1),
  195. Among(u"ena", 72, 1),
  196. Among(u"garrena", 74, 1),
  197. Among(u"gerrena", 74, 1),
  198. Among(u"urrena", 74, 1),
  199. Among(u"zaina", 72, 1),
  200. Among(u"tzaina", 78, 1),
  201. Among(u"kina", 72, 1),
  202. Among(u"mina", 72, 1),
  203. Among(u"garna", 72, 1),
  204. Among(u"una", 72, 1),
  205. Among(u"duna", 83, 1),
  206. Among(u"asuna", 83, 1),
  207. Among(u"tasuna", 85, 1),
  208. Among(u"ondoa", -1, 1),
  209. Among(u"kondoa", 87, 1),
  210. Among(u"ngoa", -1, 1),
  211. Among(u"zioa", -1, 1),
  212. Among(u"koa", -1, 1),
  213. Among(u"takoa", 91, 1),
  214. Among(u"zkoa", 91, 1),
  215. Among(u"noa", -1, 1),
  216. Among(u"zinoa", 94, 1),
  217. Among(u"aroa", -1, 1),
  218. Among(u"taroa", 96, 1),
  219. Among(u"zaroa", 96, 1),
  220. Among(u"eroa", -1, 1),
  221. Among(u"oroa", -1, 1),
  222. Among(u"osoa", -1, 1),
  223. Among(u"toa", -1, 1),
  224. Among(u"ttoa", 102, 1),
  225. Among(u"ztoa", 102, 1),
  226. Among(u"txoa", -1, 1),
  227. Among(u"tzoa", -1, 1),
  228. Among(u"\u00F1oa", -1, 1),
  229. Among(u"ra", -1, 1),
  230. Among(u"ara", 108, 1),
  231. Among(u"dara", 109, 1),
  232. Among(u"liara", 109, 1),
  233. Among(u"tiara", 109, 1),
  234. Among(u"tara", 109, 1),
  235. Among(u"etara", 113, 1),
  236. Among(u"tzara", 109, 1),
  237. Among(u"bera", 108, 1),
  238. Among(u"kera", 108, 1),
  239. Among(u"pera", 108, 1),
  240. Among(u"ora", 108, 2),
  241. Among(u"tzarra", 108, 1),
  242. Among(u"korra", 108, 1),
  243. Among(u"tra", 108, 1),
  244. Among(u"sa", -1, 1),
  245. Among(u"osa", 123, 1),
  246. Among(u"ta", -1, 1),
  247. Among(u"eta", 125, 1),
  248. Among(u"keta", 126, 1),
  249. Among(u"sta", 125, 1),
  250. Among(u"dua", -1, 1),
  251. Among(u"mendua", 129, 1),
  252. Among(u"ordua", 129, 1),
  253. Among(u"lekua", -1, 1),
  254. Among(u"burua", -1, 1),
  255. Among(u"durua", -1, 1),
  256. Among(u"tsua", -1, 1),
  257. Among(u"tua", -1, 1),
  258. Among(u"mentua", 136, 1),
  259. Among(u"estua", 136, 1),
  260. Among(u"txua", -1, 1),
  261. Among(u"zua", -1, 1),
  262. Among(u"tzua", 140, 1),
  263. Among(u"za", -1, 1),
  264. Among(u"eza", 142, 1),
  265. Among(u"eroza", 142, 1),
  266. Among(u"tza", 142, 2),
  267. Among(u"koitza", 145, 1),
  268. Among(u"antza", 145, 1),
  269. Among(u"gintza", 145, 1),
  270. Among(u"kintza", 145, 1),
  271. Among(u"kuntza", 145, 1),
  272. Among(u"gabe", -1, 1),
  273. Among(u"kabe", -1, 1),
  274. Among(u"kide", -1, 1),
  275. Among(u"alde", -1, 1),
  276. Among(u"kalde", 154, 1),
  277. Among(u"talde", 154, 1),
  278. Among(u"orde", -1, 1),
  279. Among(u"ge", -1, 1),
  280. Among(u"zale", -1, 1),
  281. Among(u"tzale", 159, 1),
  282. Among(u"gile", -1, 1),
  283. Among(u"eme", -1, 1),
  284. Among(u"kume", -1, 1),
  285. Among(u"ne", -1, 1),
  286. Among(u"zione", 164, 1),
  287. Among(u"une", 164, 1),
  288. Among(u"gune", 166, 1),
  289. Among(u"pe", -1, 1),
  290. Among(u"aurre", -1, 1),
  291. Among(u"te", -1, 1),
  292. Among(u"kote", 170, 1),
  293. Among(u"arte", 170, 1),
  294. Among(u"oste", 170, 1),
  295. Among(u"etxe", -1, 1),
  296. Among(u"gai", -1, 1),
  297. Among(u"di", -1, 1),
  298. Among(u"aldi", 176, 1),
  299. Among(u"taldi", 177, 1),
  300. Among(u"geldi", 176, 8),
  301. Among(u"handi", 176, 1),
  302. Among(u"mendi", 176, 1),
  303. Among(u"gei", -1, 1),
  304. Among(u"egi", -1, 1),
  305. Among(u"degi", 183, 1),
  306. Among(u"tegi", 183, 1),
  307. Among(u"nahi", -1, 1),
  308. Among(u"ohi", -1, 1),
  309. Among(u"ki", -1, 1),
  310. Among(u"toki", 188, 1),
  311. Among(u"oi", -1, 1),
  312. Among(u"goi", 190, 1),
  313. Among(u"koi", 190, 1),
  314. Among(u"ari", -1, 1),
  315. Among(u"kari", 193, 1),
  316. Among(u"lari", 193, 1),
  317. Among(u"tari", 193, 1),
  318. Among(u"garri", -1, 2),
  319. Among(u"larri", -1, 1),
  320. Among(u"kirri", -1, 1),
  321. Among(u"duri", -1, 1),
  322. Among(u"asi", -1, 1),
  323. Among(u"ti", -1, 1),
  324. Among(u"ontzi", -1, 1),
  325. Among(u"\u00F1i", -1, 1),
  326. Among(u"ak", -1, 1),
  327. Among(u"ek", -1, 1),
  328. Among(u"tarik", -1, 1),
  329. Among(u"gibel", -1, 1),
  330. Among(u"ail", -1, 1),
  331. Among(u"kail", 209, 1),
  332. Among(u"kan", -1, 1),
  333. Among(u"tan", -1, 1),
  334. Among(u"etan", 212, 1),
  335. Among(u"en", -1, 4),
  336. Among(u"ren", 214, 2),
  337. Among(u"garren", 215, 1),
  338. Among(u"gerren", 215, 1),
  339. Among(u"urren", 215, 1),
  340. Among(u"ten", 214, 4),
  341. Among(u"tzen", 214, 4),
  342. Among(u"zain", -1, 1),
  343. Among(u"tzain", 221, 1),
  344. Among(u"kin", -1, 1),
  345. Among(u"min", -1, 1),
  346. Among(u"dun", -1, 1),
  347. Among(u"asun", -1, 1),
  348. Among(u"tasun", 226, 1),
  349. Among(u"aizun", -1, 1),
  350. Among(u"ondo", -1, 1),
  351. Among(u"kondo", 229, 1),
  352. Among(u"go", -1, 1),
  353. Among(u"ngo", 231, 1),
  354. Among(u"zio", -1, 1),
  355. Among(u"ko", -1, 1),
  356. Among(u"trako", 234, 5),
  357. Among(u"tako", 234, 1),
  358. Among(u"etako", 236, 1),
  359. Among(u"eko", 234, 1),
  360. Among(u"tariko", 234, 1),
  361. Among(u"sko", 234, 1),
  362. Among(u"tuko", 234, 1),
  363. Among(u"minutuko", 241, 6),
  364. Among(u"zko", 234, 1),
  365. Among(u"no", -1, 1),
  366. Among(u"zino", 244, 1),
  367. Among(u"ro", -1, 1),
  368. Among(u"aro", 246, 1),
  369. Among(u"igaro", 247, 9),
  370. Among(u"taro", 247, 1),
  371. Among(u"zaro", 247, 1),
  372. Among(u"ero", 246, 1),
  373. Among(u"giro", 246, 1),
  374. Among(u"oro", 246, 1),
  375. Among(u"oso", -1, 1),
  376. Among(u"to", -1, 1),
  377. Among(u"tto", 255, 1),
  378. Among(u"zto", 255, 1),
  379. Among(u"txo", -1, 1),
  380. Among(u"tzo", -1, 1),
  381. Among(u"gintzo", 259, 1),
  382. Among(u"\u00F1o", -1, 1),
  383. Among(u"zp", -1, 1),
  384. Among(u"ar", -1, 1),
  385. Among(u"dar", 263, 1),
  386. Among(u"behar", 263, 1),
  387. Among(u"zehar", 263, 7),
  388. Among(u"liar", 263, 1),
  389. Among(u"tiar", 263, 1),
  390. Among(u"tar", 263, 1),
  391. Among(u"tzar", 263, 1),
  392. Among(u"or", -1, 2),
  393. Among(u"kor", 271, 1),
  394. Among(u"os", -1, 1),
  395. Among(u"ket", -1, 1),
  396. Among(u"du", -1, 1),
  397. Among(u"mendu", 275, 1),
  398. Among(u"ordu", 275, 1),
  399. Among(u"leku", -1, 1),
  400. Among(u"buru", -1, 2),
  401. Among(u"duru", -1, 1),
  402. Among(u"tsu", -1, 1),
  403. Among(u"tu", -1, 1),
  404. Among(u"tatu", 282, 4),
  405. Among(u"mentu", 282, 1),
  406. Among(u"estu", 282, 1),
  407. Among(u"txu", -1, 1),
  408. Among(u"zu", -1, 1),
  409. Among(u"tzu", 287, 1),
  410. Among(u"gintzu", 288, 1),
  411. Among(u"z", -1, 1),
  412. Among(u"ez", 290, 1),
  413. Among(u"eroz", 290, 1),
  414. Among(u"tz", 290, 1),
  415. Among(u"koitz", 293, 1)
  416. ]
  417. a_2 = [
  418. Among(u"zlea", -1, 2),
  419. Among(u"keria", -1, 1),
  420. Among(u"la", -1, 1),
  421. Among(u"era", -1, 1),
  422. Among(u"dade", -1, 1),
  423. Among(u"tade", -1, 1),
  424. Among(u"date", -1, 1),
  425. Among(u"tate", -1, 1),
  426. Among(u"gi", -1, 1),
  427. Among(u"ki", -1, 1),
  428. Among(u"ik", -1, 1),
  429. Among(u"lanik", 10, 1),
  430. Among(u"rik", 10, 1),
  431. Among(u"larik", 12, 1),
  432. Among(u"ztik", 10, 1),
  433. Among(u"go", -1, 1),
  434. Among(u"ro", -1, 1),
  435. Among(u"ero", 16, 1),
  436. Among(u"to", -1, 1)
  437. ]
  438. g_v = [17, 65, 16]
  439. I_p2 = 0
  440. I_p1 = 0
  441. I_pV = 0
  442. def __r_mark_regions(self):
  443. self.I_pV = self.limit
  444. self.I_p1 = self.limit
  445. self.I_p2 = self.limit
  446. v_1 = self.cursor
  447. try:
  448. try:
  449. v_2 = self.cursor
  450. try:
  451. if not self.in_grouping(BasqueStemmer.g_v, 97, 117):
  452. raise lab2()
  453. try:
  454. v_3 = self.cursor
  455. try:
  456. if not self.out_grouping(BasqueStemmer.g_v, 97, 117):
  457. raise lab4()
  458. if not self.go_out_grouping(BasqueStemmer.g_v, 97, 117):
  459. raise lab4()
  460. self.cursor += 1
  461. raise lab3()
  462. except lab4: pass
  463. self.cursor = v_3
  464. if not self.in_grouping(BasqueStemmer.g_v, 97, 117):
  465. raise lab2()
  466. if not self.go_in_grouping(BasqueStemmer.g_v, 97, 117):
  467. raise lab2()
  468. self.cursor += 1
  469. except lab3: pass
  470. raise lab1()
  471. except lab2: pass
  472. self.cursor = v_2
  473. if not self.out_grouping(BasqueStemmer.g_v, 97, 117):
  474. raise lab0()
  475. try:
  476. v_4 = self.cursor
  477. try:
  478. if not self.out_grouping(BasqueStemmer.g_v, 97, 117):
  479. raise lab6()
  480. if not self.go_out_grouping(BasqueStemmer.g_v, 97, 117):
  481. raise lab6()
  482. self.cursor += 1
  483. raise lab5()
  484. except lab6: pass
  485. self.cursor = v_4
  486. if not self.in_grouping(BasqueStemmer.g_v, 97, 117):
  487. raise lab0()
  488. if self.cursor >= self.limit:
  489. raise lab0()
  490. self.cursor += 1
  491. except lab5: pass
  492. except lab1: pass
  493. self.I_pV = self.cursor
  494. except lab0: pass
  495. self.cursor = v_1
  496. v_5 = self.cursor
  497. try:
  498. if not self.go_out_grouping(BasqueStemmer.g_v, 97, 117):
  499. raise lab7()
  500. self.cursor += 1
  501. if not self.go_in_grouping(BasqueStemmer.g_v, 97, 117):
  502. raise lab7()
  503. self.cursor += 1
  504. self.I_p1 = self.cursor
  505. if not self.go_out_grouping(BasqueStemmer.g_v, 97, 117):
  506. raise lab7()
  507. self.cursor += 1
  508. if not self.go_in_grouping(BasqueStemmer.g_v, 97, 117):
  509. raise lab7()
  510. self.cursor += 1
  511. self.I_p2 = self.cursor
  512. except lab7: pass
  513. self.cursor = v_5
  514. return True
  515. def __r_RV(self):
  516. if not self.I_pV <= self.cursor:
  517. return False
  518. return True
  519. def __r_R2(self):
  520. if not self.I_p2 <= self.cursor:
  521. return False
  522. return True
  523. def __r_R1(self):
  524. if not self.I_p1 <= self.cursor:
  525. return False
  526. return True
  527. def __r_aditzak(self):
  528. self.ket = self.cursor
  529. among_var = self.find_among_b(BasqueStemmer.a_0)
  530. if among_var == 0:
  531. return False
  532. self.bra = self.cursor
  533. if among_var == 1:
  534. if not self.__r_RV():
  535. return False
  536. if not self.slice_del():
  537. return False
  538. elif among_var == 2:
  539. if not self.__r_R2():
  540. return False
  541. if not self.slice_del():
  542. return False
  543. elif among_var == 3:
  544. if not self.slice_from(u"atseden"):
  545. return False
  546. elif among_var == 4:
  547. if not self.slice_from(u"arabera"):
  548. return False
  549. else:
  550. if not self.slice_from(u"baditu"):
  551. return False
  552. return True
  553. def __r_izenak(self):
  554. self.ket = self.cursor
  555. among_var = self.find_among_b(BasqueStemmer.a_1)
  556. if among_var == 0:
  557. return False
  558. self.bra = self.cursor
  559. if among_var == 1:
  560. if not self.__r_RV():
  561. return False
  562. if not self.slice_del():
  563. return False
  564. elif among_var == 2:
  565. if not self.__r_R2():
  566. return False
  567. if not self.slice_del():
  568. return False
  569. elif among_var == 3:
  570. if not self.slice_from(u"jok"):
  571. return False
  572. elif among_var == 4:
  573. if not self.__r_R1():
  574. return False
  575. if not self.slice_del():
  576. return False
  577. elif among_var == 5:
  578. if not self.slice_from(u"tra"):
  579. return False
  580. elif among_var == 6:
  581. if not self.slice_from(u"minutu"):
  582. return False
  583. elif among_var == 7:
  584. if not self.slice_from(u"zehar"):
  585. return False
  586. elif among_var == 8:
  587. if not self.slice_from(u"geldi"):
  588. return False
  589. elif among_var == 9:
  590. if not self.slice_from(u"igaro"):
  591. return False
  592. else:
  593. if not self.slice_from(u"aurka"):
  594. return False
  595. return True
  596. def __r_adjetiboak(self):
  597. self.ket = self.cursor
  598. among_var = self.find_among_b(BasqueStemmer.a_2)
  599. if among_var == 0:
  600. return False
  601. self.bra = self.cursor
  602. if among_var == 1:
  603. if not self.__r_RV():
  604. return False
  605. if not self.slice_del():
  606. return False
  607. else:
  608. if not self.slice_from(u"z"):
  609. return False
  610. return True
  611. def _stem(self):
  612. self.__r_mark_regions()
  613. self.limit_backward = self.cursor
  614. self.cursor = self.limit
  615. while True:
  616. v_2 = self.limit - self.cursor
  617. try:
  618. if not self.__r_aditzak():
  619. raise lab0()
  620. continue
  621. except lab0: pass
  622. self.cursor = self.limit - v_2
  623. break
  624. while True:
  625. v_3 = self.limit - self.cursor
  626. try:
  627. if not self.__r_izenak():
  628. raise lab1()
  629. continue
  630. except lab1: pass
  631. self.cursor = self.limit - v_3
  632. break
  633. v_4 = self.limit - self.cursor
  634. self.__r_adjetiboak()
  635. self.cursor = self.limit - v_4
  636. self.cursor = self.limit_backward
  637. return True
  638. class lab0(BaseException): pass
  639. class lab1(BaseException): pass
  640. class lab2(BaseException): pass
  641. class lab3(BaseException): pass
  642. class lab4(BaseException): pass
  643. class lab5(BaseException): pass
  644. class lab6(BaseException): pass
  645. class lab7(BaseException): pass