src/backend/snowball/libstemmer/stem_UTF_8_porter.c

   1
   2 /* This file was generated automatically by the Snowball to ANSI C compiler */
   3
   4 #include "header.h"
   5
   6 #ifdef __cplusplus
   7 extern "C" {
   8 #endif
   9 extern int porter_UTF_8_stem(struct SN_env * z);
  10 #ifdef __cplusplus
  11 }
  12 #endif
  13 static int r_Step_5b(struct SN_env * z);
  14 static int r_Step_5a(struct SN_env * z);
  15 static int r_Step_4(struct SN_env * z);
  16 static int r_Step_3(struct SN_env * z);
  17 static int r_Step_2(struct SN_env * z);
  18 static int r_Step_1c(struct SN_env * z);
  19 static int r_Step_1b(struct SN_env * z);
  20 static int r_Step_1a(struct SN_env * z);
  21 static int r_R2(struct SN_env * z);
  22 static int r_R1(struct SN_env * z);
  23 static int r_shortv(struct SN_env * z);
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28
  29 extern struct SN_env * porter_UTF_8_create_env(void);
  30 extern void porter_UTF_8_close_env(struct SN_env * z);
  31
  32
  33 #ifdef __cplusplus
  34 }
  35 #endif
  36 static const symbol s_0_0[1] = { 's' };
  37 static const symbol s_0_1[3] = { 'i', 'e', 's' };
  38 static const symbol s_0_2[4] = { 's', 's', 'e', 's' };
  39 static const symbol s_0_3[2] = { 's', 's' };
  40
  41 static const struct among a_0[4] =
  42 {
  43 /*  0 */ { 1, s_0_0, -1, 3, 0},
  44 /*  1 */ { 3, s_0_1, 0, 2, 0},
  45 /*  2 */ { 4, s_0_2, 0, 1, 0},
  46 /*  3 */ { 2, s_0_3, 0, -1, 0}
  47 };
  48
  49 static const symbol s_1_1[2] = { 'b', 'b' };
  50 static const symbol s_1_2[2] = { 'd', 'd' };
  51 static const symbol s_1_3[2] = { 'f', 'f' };
  52 static const symbol s_1_4[2] = { 'g', 'g' };
  53 static const symbol s_1_5[2] = { 'b', 'l' };
  54 static const symbol s_1_6[2] = { 'm', 'm' };
  55 static const symbol s_1_7[2] = { 'n', 'n' };
  56 static const symbol s_1_8[2] = { 'p', 'p' };
  57 static const symbol s_1_9[2] = { 'r', 'r' };
  58 static const symbol s_1_10[2] = { 'a', 't' };
  59 static const symbol s_1_11[2] = { 't', 't' };
  60 static const symbol s_1_12[2] = { 'i', 'z' };
  61
  62 static const struct among a_1[13] =
  63 {
  64 /*  0 */ { 0, 0, -1, 3, 0},
  65 /*  1 */ { 2, s_1_1, 0, 2, 0},
  66 /*  2 */ { 2, s_1_2, 0, 2, 0},
  67 /*  3 */ { 2, s_1_3, 0, 2, 0},
  68 /*  4 */ { 2, s_1_4, 0, 2, 0},
  69 /*  5 */ { 2, s_1_5, 0, 1, 0},
  70 /*  6 */ { 2, s_1_6, 0, 2, 0},
  71 /*  7 */ { 2, s_1_7, 0, 2, 0},
  72 /*  8 */ { 2, s_1_8, 0, 2, 0},
  73 /*  9 */ { 2, s_1_9, 0, 2, 0},
  74 /* 10 */ { 2, s_1_10, 0, 1, 0},
  75 /* 11 */ { 2, s_1_11, 0, 2, 0},
  76 /* 12 */ { 2, s_1_12, 0, 1, 0}
  77 };
  78
  79 static const symbol s_2_0[2] = { 'e', 'd' };
  80 static const symbol s_2_1[3] = { 'e', 'e', 'd' };
  81 static const symbol s_2_2[3] = { 'i', 'n', 'g' };
  82
  83 static const struct among a_2[3] =
  84 {
  85 /*  0 */ { 2, s_2_0, -1, 2, 0},
  86 /*  1 */ { 3, s_2_1, 0, 1, 0},
  87 /*  2 */ { 3, s_2_2, -1, 2, 0}
  88 };
  89
  90 static const symbol s_3_0[4] = { 'a', 'n', 'c', 'i' };
  91 static const symbol s_3_1[4] = { 'e', 'n', 'c', 'i' };
  92 static const symbol s_3_2[4] = { 'a', 'b', 'l', 'i' };
  93 static const symbol s_3_3[3] = { 'e', 'l', 'i' };
  94 static const symbol s_3_4[4] = { 'a', 'l', 'l', 'i' };
  95 static const symbol s_3_5[5] = { 'o', 'u', 's', 'l', 'i' };
  96 static const symbol s_3_6[5] = { 'e', 'n', 't', 'l', 'i' };
  97 static const symbol s_3_7[5] = { 'a', 'l', 'i', 't', 'i' };
  98 static const symbol s_3_8[6] = { 'b', 'i', 'l', 'i', 't', 'i' };
  99 static const symbol s_3_9[5] = { 'i', 'v', 'i', 't', 'i' };
 100 static const symbol s_3_10[6] = { 't', 'i', 'o', 'n', 'a', 'l' };
 101 static const symbol s_3_11[7] = { 'a', 't', 'i', 'o', 'n', 'a', 'l' };
 102 static const symbol s_3_12[5] = { 'a', 'l', 'i', 's', 'm' };
 103 static const symbol s_3_13[5] = { 'a', 't', 'i', 'o', 'n' };
 104 static const symbol s_3_14[7] = { 'i', 'z', 'a', 't', 'i', 'o', 'n' };
 105 static const symbol s_3_15[4] = { 'i', 'z', 'e', 'r' };
 106 static const symbol s_3_16[4] = { 'a', 't', 'o', 'r' };
 107 static const symbol s_3_17[7] = { 'i', 'v', 'e', 'n', 'e', 's', 's' };
 108 static const symbol s_3_18[7] = { 'f', 'u', 'l', 'n', 'e', 's', 's' };
 109 static const symbol s_3_19[7] = { 'o', 'u', 's', 'n', 'e', 's', 's' };
 110
 111 static const struct among a_3[20] =
 112 {
 113 /*  0 */ { 4, s_3_0, -1, 3, 0},
 114 /*  1 */ { 4, s_3_1, -1, 2, 0},
 115 /*  2 */ { 4, s_3_2, -1, 4, 0},
 116 /*  3 */ { 3, s_3_3, -1, 6, 0},
 117 /*  4 */ { 4, s_3_4, -1, 9, 0},
 118 /*  5 */ { 5, s_3_5, -1, 12, 0},
 119 /*  6 */ { 5, s_3_6, -1, 5, 0},
 120 /*  7 */ { 5, s_3_7, -1, 10, 0},
 121 /*  8 */ { 6, s_3_8, -1, 14, 0},
 122 /*  9 */ { 5, s_3_9, -1, 13, 0},
 123 /* 10 */ { 6, s_3_10, -1, 1, 0},
 124 /* 11 */ { 7, s_3_11, 10, 8, 0},
 125 /* 12 */ { 5, s_3_12, -1, 10, 0},
 126 /* 13 */ { 5, s_3_13, -1, 8, 0},
 127 /* 14 */ { 7, s_3_14, 13, 7, 0},
 128 /* 15 */ { 4, s_3_15, -1, 7, 0},
 129 /* 16 */ { 4, s_3_16, -1, 8, 0},
 130 /* 17 */ { 7, s_3_17, -1, 13, 0},
 131 /* 18 */ { 7, s_3_18, -1, 11, 0},
 132 /* 19 */ { 7, s_3_19, -1, 12, 0}
 133 };
 134
 135 static const symbol s_4_0[5] = { 'i', 'c', 'a', 't', 'e' };
 136 static const symbol s_4_1[5] = { 'a', 't', 'i', 'v', 'e' };
 137 static const symbol s_4_2[5] = { 'a', 'l', 'i', 'z', 'e' };
 138 static const symbol s_4_3[5] = { 'i', 'c', 'i', 't', 'i' };
 139 static const symbol s_4_4[4] = { 'i', 'c', 'a', 'l' };
 140 static const symbol s_4_5[3] = { 'f', 'u', 'l' };
 141 static const symbol s_4_6[4] = { 'n', 'e', 's', 's' };
 142
 143 static const struct among a_4[7] =
 144 {
 145 /*  0 */ { 5, s_4_0, -1, 2, 0},
 146 /*  1 */ { 5, s_4_1, -1, 3, 0},
 147 /*  2 */ { 5, s_4_2, -1, 1, 0},
 148 /*  3 */ { 5, s_4_3, -1, 2, 0},
 149 /*  4 */ { 4, s_4_4, -1, 2, 0},
 150 /*  5 */ { 3, s_4_5, -1, 3, 0},
 151 /*  6 */ { 4, s_4_6, -1, 3, 0}
 152 };
 153
 154 static const symbol s_5_0[2] = { 'i', 'c' };
 155 static const symbol s_5_1[4] = { 'a', 'n', 'c', 'e' };
 156 static const symbol s_5_2[4] = { 'e', 'n', 'c', 'e' };
 157 static const symbol s_5_3[4] = { 'a', 'b', 'l', 'e' };
 158 static const symbol s_5_4[4] = { 'i', 'b', 'l', 'e' };
 159 static const symbol s_5_5[3] = { 'a', 't', 'e' };
 160 static const symbol s_5_6[3] = { 'i', 'v', 'e' };
 161 static const symbol s_5_7[3] = { 'i', 'z', 'e' };
 162 static const symbol s_5_8[3] = { 'i', 't', 'i' };
 163 static const symbol s_5_9[2] = { 'a', 'l' };
 164 static const symbol s_5_10[3] = { 'i', 's', 'm' };
 165 static const symbol s_5_11[3] = { 'i', 'o', 'n' };
 166 static const symbol s_5_12[2] = { 'e', 'r' };
 167 static const symbol s_5_13[3] = { 'o', 'u', 's' };
 168 static const symbol s_5_14[3] = { 'a', 'n', 't' };
 169 static const symbol s_5_15[3] = { 'e', 'n', 't' };
 170 static const symbol s_5_16[4] = { 'm', 'e', 'n', 't' };
 171 static const symbol s_5_17[5] = { 'e', 'm', 'e', 'n', 't' };
 172 static const symbol s_5_18[2] = { 'o', 'u' };
 173
 174 static const struct among a_5[19] =
 175 {
 176 /*  0 */ { 2, s_5_0, -1, 1, 0},
 177 /*  1 */ { 4, s_5_1, -1, 1, 0},
 178 /*  2 */ { 4, s_5_2, -1, 1, 0},
 179 /*  3 */ { 4, s_5_3, -1, 1, 0},
 180 /*  4 */ { 4, s_5_4, -1, 1, 0},
 181 /*  5 */ { 3, s_5_5, -1, 1, 0},
 182 /*  6 */ { 3, s_5_6, -1, 1, 0},
 183 /*  7 */ { 3, s_5_7, -1, 1, 0},
 184 /*  8 */ { 3, s_5_8, -1, 1, 0},
 185 /*  9 */ { 2, s_5_9, -1, 1, 0},
 186 /* 10 */ { 3, s_5_10, -1, 1, 0},
 187 /* 11 */ { 3, s_5_11, -1, 2, 0},
 188 /* 12 */ { 2, s_5_12, -1, 1, 0},
 189 /* 13 */ { 3, s_5_13, -1, 1, 0},
 190 /* 14 */ { 3, s_5_14, -1, 1, 0},
 191 /* 15 */ { 3, s_5_15, -1, 1, 0},
 192 /* 16 */ { 4, s_5_16, 15, 1, 0},
 193 /* 17 */ { 5, s_5_17, 16, 1, 0},
 194 /* 18 */ { 2, s_5_18, -1, 1, 0}
 195 };
 196
 197 static const unsigned char g_v[] = { 17, 65, 16, 1 };
 198
 199 static const unsigned char g_v_WXY[] = { 1, 17, 65, 208, 1 };
 200
 201 static const symbol s_0[] = { 's', 's' };
 202 static const symbol s_1[] = { 'i' };
 203 static const symbol s_2[] = { 'e', 'e' };
 204 static const symbol s_3[] = { 'e' };
 205 static const symbol s_4[] = { 'e' };
 206 static const symbol s_5[] = { 'y' };
 207 static const symbol s_6[] = { 'Y' };
 208 static const symbol s_7[] = { 'i' };
 209 static const symbol s_8[] = { 't', 'i', 'o', 'n' };
 210 static const symbol s_9[] = { 'e', 'n', 'c', 'e' };
 211 static const symbol s_10[] = { 'a', 'n', 'c', 'e' };
 212 static const symbol s_11[] = { 'a', 'b', 'l', 'e' };
 213 static const symbol s_12[] = { 'e', 'n', 't' };
 214 static const symbol s_13[] = { 'e' };
 215 static const symbol s_14[] = { 'i', 'z', 'e' };
 216 static const symbol s_15[] = { 'a', 't', 'e' };
 217 static const symbol s_16[] = { 'a', 'l' };
 218 static const symbol s_17[] = { 'a', 'l' };
 219 static const symbol s_18[] = { 'f', 'u', 'l' };
 220 static const symbol s_19[] = { 'o', 'u', 's' };
 221 static const symbol s_20[] = { 'i', 'v', 'e' };
 222 static const symbol s_21[] = { 'b', 'l', 'e' };
 223 static const symbol s_22[] = { 'a', 'l' };
 224 static const symbol s_23[] = { 'i', 'c' };
 225 static const symbol s_24[] = { 's' };
 226 static const symbol s_25[] = { 't' };
 227 static const symbol s_26[] = { 'e' };
 228 static const symbol s_27[] = { 'l' };
 229 static const symbol s_28[] = { 'l' };
 230 static const symbol s_29[] = { 'y' };
 231 static const symbol s_30[] = { 'Y' };
 232 static const symbol s_31[] = { 'y' };
 233 static const symbol s_32[] = { 'Y' };
 234 static const symbol s_33[] = { 'Y' };
 235 static const symbol s_34[] = { 'y' };
 236
 237 static int r_shortv(struct SN_env * z) {
 238     if (out_grouping_b_U(z, g_v_WXY, 89, 121, 0)) return 0;
 239     if (in_grouping_b_U(z, g_v, 97, 121, 0)) return 0;
 240     if (out_grouping_b_U(z, g_v, 97, 121, 0)) return 0;
 241     return 1;
 242 }
 243
 244 static int r_R1(struct SN_env * z) {
 245     if (!(z->I[0] <= z->c)) return 0;
 246     return 1;
 247 }
 248
 249 static int r_R2(struct SN_env * z) {
 250     if (!(z->I[1] <= z->c)) return 0;
 251     return 1;
 252 }
 253
 254 static int r_Step_1a(struct SN_env * z) {
 255     int among_var;
 256     z->ket = z->c; /* [, line 25 */
 257     if (z->c <= z->lb || z->p[z->c - 1] != 115) return 0;
 258     among_var = find_among_b(z, a_0, 4); /* substring, line 25 */
 259     if (!(among_var)) return 0;
 260     z->bra = z->c; /* ], line 25 */
 261     switch(among_var) {
 262         case 0: return 0;
 263         case 1:
 264             {   int ret = slice_from_s(z, 2, s_0); /* <-, line 26 */
 265                 if (ret < 0) return ret;
 266             }
 267             break;
 268         case 2:
 269             {   int ret = slice_from_s(z, 1, s_1); /* <-, line 27 */
 270                 if (ret < 0) return ret;
 271             }
 272             break;
 273         case 3:
 274             {   int ret = slice_del(z); /* delete, line 29 */
 275                 if (ret < 0) return ret;
 276             }
 277             break;
 278     }
 279     return 1;
 280 }
 281
 282 static int r_Step_1b(struct SN_env * z) {
 283     int among_var;
 284     z->ket = z->c; /* [, line 34 */
 285     if (z->c - 1 <= z->lb || (z->p[z->c - 1] != 100 && z->p[z->c - 1] != 103)) return 0;
 286     among_var = find_among_b(z, a_2, 3); /* substring, line 34 */
 287     if (!(among_var)) return 0;
 288     z->bra = z->c; /* ], line 34 */
 289     switch(among_var) {
 290         case 0: return 0;
 291         case 1:
 292             {   int ret = r_R1(z);
 293                 if (ret == 0) return 0; /* call R1, line 35 */
 294                 if (ret < 0) return ret;
 295             }
 296             {   int ret = slice_from_s(z, 2, s_2); /* <-, line 35 */
 297                 if (ret < 0) return ret;
 298             }
 299             break;
 300         case 2:
 301             {   int m_test = z->l - z->c; /* test, line 38 */
 302                 {    /* gopast */ /* grouping v, line 38 */
 303                     int ret = out_grouping_b_U(z, g_v, 97, 121, 1);
 304                     if (ret < 0) return 0;
 305                     z->c -= ret;
 306                 }
 307                 z->c = z->l - m_test;
 308             }
 309             {   int ret = slice_del(z); /* delete, line 38 */
 310                 if (ret < 0) return ret;
 311             }
 312             {   int m_test = z->l - z->c; /* test, line 39 */
 313                 if (z->c - 1 <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((68514004 >> (z->p[z->c - 1] & 0x1f)) & 1)) among_var = 3; else
 314                 among_var = find_among_b(z, a_1, 13); /* substring, line 39 */
 315                 if (!(among_var)) return 0;
 316                 z->c = z->l - m_test;
 317             }
 318             switch(among_var) {
 319                 case 0: return 0;
 320                 case 1:
 321                     {   int c_keep = z->c;
 322                         int ret = insert_s(z, z->c, z->c, 1, s_3); /* <+, line 41 */
 323                         z->c = c_keep;
 324                         if (ret < 0) return ret;
 325                     }
 326                     break;
 327                 case 2:
 328                     z->ket = z->c; /* [, line 44 */
 329                     {   int ret = skip_utf8(z->p, z->c, z->lb, 0, -1);
 330                         if (ret < 0) return 0;
 331                         z->c = ret; /* next, line 44 */
 332                     }
 333                     z->bra = z->c; /* ], line 44 */
 334                     {   int ret = slice_del(z); /* delete, line 44 */
 335                         if (ret < 0) return ret;
 336                     }
 337                     break;
 338                 case 3:
 339                     if (z->c != z->I[0]) return 0; /* atmark, line 45 */
 340                     {   int m_test = z->l - z->c; /* test, line 45 */
 341                         {   int ret = r_shortv(z);
 342                             if (ret == 0) return 0; /* call shortv, line 45 */
 343                             if (ret < 0) return ret;
 344                         }
 345                         z->c = z->l - m_test;
 346                     }
 347                     {   int c_keep = z->c;
 348                         int ret = insert_s(z, z->c, z->c, 1, s_4); /* <+, line 45 */
 349                         z->c = c_keep;
 350                         if (ret < 0) return ret;
 351                     }
 352                     break;
 353             }
 354             break;
 355     }
 356     return 1;
 357 }
 358
 359 static int r_Step_1c(struct SN_env * z) {
 360     z->ket = z->c; /* [, line 52 */
 361     {   int m1 = z->l - z->c; (void)m1; /* or, line 52 */
 362         if (!(eq_s_b(z, 1, s_5))) goto lab1;
 363         goto lab0;
 364     lab1:
 365         z->c = z->l - m1;
 366         if (!(eq_s_b(z, 1, s_6))) return 0;
 367     }
 368 lab0:
 369     z->bra = z->c; /* ], line 52 */
 370     {    /* gopast */ /* grouping v, line 53 */
 371         int ret = out_grouping_b_U(z, g_v, 97, 121, 1);
 372         if (ret < 0) return 0;
 373         z->c -= ret;
 374     }
 375     {   int ret = slice_from_s(z, 1, s_7); /* <-, line 54 */
 376         if (ret < 0) return ret;
 377     }
 378     return 1;
 379 }
 380
 381 static int r_Step_2(struct SN_env * z) {
 382     int among_var;
 383     z->ket = z->c; /* [, line 58 */
 384     if (z->c - 2 <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((815616 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
 385     among_var = find_among_b(z, a_3, 20); /* substring, line 58 */
 386     if (!(among_var)) return 0;
 387     z->bra = z->c; /* ], line 58 */
 388     {   int ret = r_R1(z);
 389         if (ret == 0) return 0; /* call R1, line 58 */
 390         if (ret < 0) return ret;
 391     }
 392     switch(among_var) {
 393         case 0: return 0;
 394         case 1:
 395             {   int ret = slice_from_s(z, 4, s_8); /* <-, line 59 */
 396                 if (ret < 0) return ret;
 397             }
 398             break;
 399         case 2:
 400             {   int ret = slice_from_s(z, 4, s_9); /* <-, line 60 */
 401                 if (ret < 0) return ret;
 402             }
 403             break;
 404         case 3:
 405             {   int ret = slice_from_s(z, 4, s_10); /* <-, line 61 */
 406                 if (ret < 0) return ret;
 407             }
 408             break;
 409         case 4:
 410             {   int ret = slice_from_s(z, 4, s_11); /* <-, line 62 */
 411                 if (ret < 0) return ret;
 412             }
 413             break;
 414         case 5:
 415             {   int ret = slice_from_s(z, 3, s_12); /* <-, line 63 */
 416                 if (ret < 0) return ret;
 417             }
 418             break;
 419         case 6:
 420             {   int ret = slice_from_s(z, 1, s_13); /* <-, line 64 */
 421                 if (ret < 0) return ret;
 422             }
 423             break;
 424         case 7:
 425             {   int ret = slice_from_s(z, 3, s_14); /* <-, line 66 */
 426                 if (ret < 0) return ret;
 427             }
 428             break;
 429         case 8:
 430             {   int ret = slice_from_s(z, 3, s_15); /* <-, line 68 */
 431                 if (ret < 0) return ret;
 432             }
 433             break;
 434         case 9:
 435             {   int ret = slice_from_s(z, 2, s_16); /* <-, line 69 */
 436                 if (ret < 0) return ret;
 437             }
 438             break;
 439         case 10:
 440             {   int ret = slice_from_s(z, 2, s_17); /* <-, line 71 */
 441                 if (ret < 0) return ret;
 442             }
 443             break;
 444         case 11:
 445             {   int ret = slice_from_s(z, 3, s_18); /* <-, line 72 */
 446                 if (ret < 0) return ret;
 447             }
 448             break;
 449         case 12:
 450             {   int ret = slice_from_s(z, 3, s_19); /* <-, line 74 */
 451                 if (ret < 0) return ret;
 452             }
 453             break;
 454         case 13:
 455             {   int ret = slice_from_s(z, 3, s_20); /* <-, line 76 */
 456                 if (ret < 0) return ret;
 457             }
 458             break;
 459         case 14:
 460             {   int ret = slice_from_s(z, 3, s_21); /* <-, line 77 */
 461                 if (ret < 0) return ret;
 462             }
 463             break;
 464     }
 465     return 1;
 466 }
 467
 468 static int r_Step_3(struct SN_env * z) {
 469     int among_var;
 470     z->ket = z->c; /* [, line 82 */
 471     if (z->c - 2 <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((528928 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
 472     among_var = find_among_b(z, a_4, 7); /* substring, line 82 */
 473     if (!(among_var)) return 0;
 474     z->bra = z->c; /* ], line 82 */
 475     {   int ret = r_R1(z);
 476         if (ret == 0) return 0; /* call R1, line 82 */
 477         if (ret < 0) return ret;
 478     }
 479     switch(among_var) {
 480         case 0: return 0;
 481         case 1:
 482             {   int ret = slice_from_s(z, 2, s_22); /* <-, line 83 */
 483                 if (ret < 0) return ret;
 484             }
 485             break;
 486         case 2:
 487             {   int ret = slice_from_s(z, 2, s_23); /* <-, line 85 */
 488                 if (ret < 0) return ret;
 489             }
 490             break;
 491         case 3:
 492             {   int ret = slice_del(z); /* delete, line 87 */
 493                 if (ret < 0) return ret;
 494             }
 495             break;
 496     }
 497     return 1;
 498 }
 499
 500 static int r_Step_4(struct SN_env * z) {
 501     int among_var;
 502     z->ket = z->c; /* [, line 92 */
 503     if (z->c - 1 <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((3961384 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
 504     among_var = find_among_b(z, a_5, 19); /* substring, line 92 */
 505     if (!(among_var)) return 0;
 506     z->bra = z->c; /* ], line 92 */
 507     {   int ret = r_R2(z);
 508         if (ret == 0) return 0; /* call R2, line 92 */
 509         if (ret < 0) return ret;
 510     }
 511     switch(among_var) {
 512         case 0: return 0;
 513         case 1:
 514             {   int ret = slice_del(z); /* delete, line 95 */
 515                 if (ret < 0) return ret;
 516             }
 517             break;
 518         case 2:
 519             {   int m1 = z->l - z->c; (void)m1; /* or, line 96 */
 520                 if (!(eq_s_b(z, 1, s_24))) goto lab1;
 521                 goto lab0;
 522             lab1:
 523                 z->c = z->l - m1;
 524                 if (!(eq_s_b(z, 1, s_25))) return 0;
 525             }
 526         lab0:
 527             {   int ret = slice_del(z); /* delete, line 96 */
 528                 if (ret < 0) return ret;
 529             }
 530             break;
 531     }
 532     return 1;
 533 }
 534
 535 static int r_Step_5a(struct SN_env * z) {
 536     z->ket = z->c; /* [, line 101 */
 537     if (!(eq_s_b(z, 1, s_26))) return 0;
 538     z->bra = z->c; /* ], line 101 */
 539     {   int m1 = z->l - z->c; (void)m1; /* or, line 102 */
 540         {   int ret = r_R2(z);
 541             if (ret == 0) goto lab1; /* call R2, line 102 */
 542             if (ret < 0) return ret;
 543         }
 544         goto lab0;
 545     lab1:
 546         z->c = z->l - m1;
 547         {   int ret = r_R1(z);
 548             if (ret == 0) return 0; /* call R1, line 102 */
 549             if (ret < 0) return ret;
 550         }
 551         {   int m2 = z->l - z->c; (void)m2; /* not, line 102 */
 552             {   int ret = r_shortv(z);
 553                 if (ret == 0) goto lab2; /* call shortv, line 102 */
 554                 if (ret < 0) return ret;
 555             }
 556             return 0;
 557         lab2:
 558             z->c = z->l - m2;
 559         }
 560     }
 561 lab0:
 562     {   int ret = slice_del(z); /* delete, line 103 */
 563         if (ret < 0) return ret;
 564     }
 565     return 1;
 566 }
 567
 568 static int r_Step_5b(struct SN_env * z) {
 569     z->ket = z->c; /* [, line 107 */
 570     if (!(eq_s_b(z, 1, s_27))) return 0;
 571     z->bra = z->c; /* ], line 107 */
 572     {   int ret = r_R2(z);
 573         if (ret == 0) return 0; /* call R2, line 108 */
 574         if (ret < 0) return ret;
 575     }
 576     if (!(eq_s_b(z, 1, s_28))) return 0;
 577     {   int ret = slice_del(z); /* delete, line 109 */
 578         if (ret < 0) return ret;
 579     }
 580     return 1;
 581 }
 582
 583 extern int porter_UTF_8_stem(struct SN_env * z) {
 584     z->B[0] = 0; /* unset Y_found, line 115 */
 585     {   int c1 = z->c; /* do, line 116 */
 586         z->bra = z->c; /* [, line 116 */
 587         if (!(eq_s(z, 1, s_29))) goto lab0;
 588         z->ket = z->c; /* ], line 116 */
 589         {   int ret = slice_from_s(z, 1, s_30); /* <-, line 116 */
 590             if (ret < 0) return ret;
 591         }
 592         z->B[0] = 1; /* set Y_found, line 116 */
 593     lab0:
 594         z->c = c1;
 595     }
 596     {   int c2 = z->c; /* do, line 117 */
 597         while(1) { /* repeat, line 117 */
 598             int c3 = z->c;
 599             while(1) { /* goto, line 117 */
 600                 int c4 = z->c;
 601                 if (in_grouping_U(z, g_v, 97, 121, 0)) goto lab3;
 602                 z->bra = z->c; /* [, line 117 */
 603                 if (!(eq_s(z, 1, s_31))) goto lab3;
 604                 z->ket = z->c; /* ], line 117 */
 605                 z->c = c4;
 606                 break;
 607             lab3:
 608                 z->c = c4;
 609                 {   int ret = skip_utf8(z->p, z->c, 0, z->l, 1);
 610                     if (ret < 0) goto lab2;
 611                     z->c = ret; /* goto, line 117 */
 612                 }
 613             }
 614             {   int ret = slice_from_s(z, 1, s_32); /* <-, line 117 */
 615                 if (ret < 0) return ret;
 616             }
 617             z->B[0] = 1; /* set Y_found, line 117 */
 618             continue;
 619         lab2:
 620             z->c = c3;
 621             break;
 622         }
 623         z->c = c2;
 624     }
 625     z->I[0] = z->l;
 626     z->I[1] = z->l;
 627     {   int c5 = z->c; /* do, line 121 */
 628         {    /* gopast */ /* grouping v, line 122 */
 629             int ret = out_grouping_U(z, g_v, 97, 121, 1);
 630             if (ret < 0) goto lab4;
 631             z->c += ret;
 632         }
 633         {    /* gopast */ /* non v, line 122 */
 634             int ret = in_grouping_U(z, g_v, 97, 121, 1);
 635             if (ret < 0) goto lab4;
 636             z->c += ret;
 637         }
 638         z->I[0] = z->c; /* setmark p1, line 122 */
 639         {    /* gopast */ /* grouping v, line 123 */
 640             int ret = out_grouping_U(z, g_v, 97, 121, 1);
 641             if (ret < 0) goto lab4;
 642             z->c += ret;
 643         }
 644         {    /* gopast */ /* non v, line 123 */
 645             int ret = in_grouping_U(z, g_v, 97, 121, 1);
 646             if (ret < 0) goto lab4;
 647             z->c += ret;
 648         }
 649         z->I[1] = z->c; /* setmark p2, line 123 */
 650     lab4:
 651         z->c = c5;
 652     }
 653     z->lb = z->c; z->c = z->l; /* backwards, line 126 */
 654
 655     {   int m6 = z->l - z->c; (void)m6; /* do, line 127 */
 656         {   int ret = r_Step_1a(z);
 657             if (ret == 0) goto lab5; /* call Step_1a, line 127 */
 658             if (ret < 0) return ret;
 659         }
 660     lab5:
 661         z->c = z->l - m6;
 662     }
 663     {   int m7 = z->l - z->c; (void)m7; /* do, line 128 */
 664         {   int ret = r_Step_1b(z);
 665             if (ret == 0) goto lab6; /* call Step_1b, line 128 */
 666             if (ret < 0) return ret;
 667         }
 668     lab6:
 669         z->c = z->l - m7;
 670     }
 671     {   int m8 = z->l - z->c; (void)m8; /* do, line 129 */
 672         {   int ret = r_Step_1c(z);
 673             if (ret == 0) goto lab7; /* call Step_1c, line 129 */
 674             if (ret < 0) return ret;
 675         }
 676     lab7:
 677         z->c = z->l - m8;
 678     }
 679     {   int m9 = z->l - z->c; (void)m9; /* do, line 130 */
 680         {   int ret = r_Step_2(z);
 681             if (ret == 0) goto lab8; /* call Step_2, line 130 */
 682             if (ret < 0) return ret;
 683         }
 684     lab8:
 685         z->c = z->l - m9;
 686     }
 687     {   int m10 = z->l - z->c; (void)m10; /* do, line 131 */
 688         {   int ret = r_Step_3(z);
 689             if (ret == 0) goto lab9; /* call Step_3, line 131 */
 690             if (ret < 0) return ret;
 691         }
 692     lab9:
 693         z->c = z->l - m10;
 694     }
 695     {   int m11 = z->l - z->c; (void)m11; /* do, line 132 */
 696         {   int ret = r_Step_4(z);
 697             if (ret == 0) goto lab10; /* call Step_4, line 132 */
 698             if (ret < 0) return ret;
 699         }
 700     lab10:
 701         z->c = z->l - m11;
 702     }
 703     {   int m12 = z->l - z->c; (void)m12; /* do, line 133 */
 704         {   int ret = r_Step_5a(z);
 705             if (ret == 0) goto lab11; /* call Step_5a, line 133 */
 706             if (ret < 0) return ret;
 707         }
 708     lab11:
 709         z->c = z->l - m12;
 710     }
 711     {   int m13 = z->l - z->c; (void)m13; /* do, line 134 */
 712         {   int ret = r_Step_5b(z);
 713             if (ret == 0) goto lab12; /* call Step_5b, line 134 */
 714             if (ret < 0) return ret;
 715         }
 716     lab12:
 717         z->c = z->l - m13;
 718     }
 719     z->c = z->lb;
 720     {   int c14 = z->c; /* do, line 137 */
 721         if (!(z->B[0])) goto lab13; /* Boolean test Y_found, line 137 */
 722         while(1) { /* repeat, line 137 */
 723             int c15 = z->c;
 724             while(1) { /* goto, line 137 */
 725                 int c16 = z->c;
 726                 z->bra = z->c; /* [, line 137 */
 727                 if (!(eq_s(z, 1, s_33))) goto lab15;
 728                 z->ket = z->c; /* ], line 137 */
 729                 z->c = c16;
 730                 break;
 731             lab15:
 732                 z->c = c16;
 733                 {   int ret = skip_utf8(z->p, z->c, 0, z->l, 1);
 734                     if (ret < 0) goto lab14;
 735                     z->c = ret; /* goto, line 137 */
 736                 }
 737             }
 738             {   int ret = slice_from_s(z, 1, s_34); /* <-, line 137 */
 739                 if (ret < 0) return ret;
 740             }
 741             continue;
 742         lab14:
 743             z->c = c15;
 744             break;
 745         }
 746     lab13:
 747         z->c = c14;
 748     }
 749     return 1;
 750 }
 751
 752 extern struct SN_env * porter_UTF_8_create_env(void) { return SN_create_env(0, 2, 1); }
 753
 754 extern void porter_UTF_8_close_env(struct SN_env * z) { SN_close_env(z, 0); }
 755