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genksyms: Simplify lexer
The V2_TOKENS state is active all the time. Signed-off-by: Michal Marek <mmarek@suse.cz> Acked-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Michal Marek
parent
9c281f13b6
commit
95f1d639ad
@ -455,16 +455,16 @@ struct yy_trans_info
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flex_int32_t yy_verify;
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flex_int32_t yy_nxt;
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};
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static yyconst flex_int16_t yy_accept[76] =
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static yyconst flex_int16_t yy_accept[73] =
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{ 0,
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0, 0, 0, 0, 14, 12, 4, 3, 12, 7,
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12, 12, 7, 12, 12, 12, 12, 12, 9, 9,
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12, 12, 12, 4, 0, 5, 0, 7, 0, 6,
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0, 0, 0, 0, 0, 0, 2, 8, 10, 10,
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9, 0, 0, 9, 9, 0, 9, 0, 0, 11,
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0, 0, 0, 10, 0, 10, 9, 9, 0, 0,
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0, 0, 0, 0, 0, 10, 10, 0, 0, 0,
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0, 0, 0, 1, 0
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0, 0, 14, 12, 4, 3, 12, 7, 12, 12,
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12, 12, 12, 9, 9, 12, 12, 7, 12, 12,
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4, 0, 5, 0, 7, 8, 0, 6, 0, 0,
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10, 10, 9, 0, 0, 9, 9, 0, 9, 0,
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0, 0, 0, 2, 0, 0, 11, 0, 10, 0,
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10, 9, 9, 0, 0, 0, 10, 10, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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1, 0
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} ;
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static yyconst flex_int32_t yy_ec[256] =
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@ -506,108 +506,104 @@ static yyconst flex_int32_t yy_meta[29] =
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8, 7, 3, 3, 3, 1, 3, 1
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} ;
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static yyconst flex_int16_t yy_base[88] =
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static yyconst flex_int16_t yy_base[85] =
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{ 0,
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0, 147, 21, 140, 145, 284, 39, 284, 26, 0,
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32, 126, 40, 44, 115, 35, 36, 46, 50, 53,
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39, 61, 54, 79, 65, 284, 0, 0, 66, 284,
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0, 119, 79, 75, 123, 104, 284, 284, 107, 0,
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79, 73, 76, 76, 66, 0, 0, 85, 86, 284,
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133, 83, 91, 284, 99, 147, 284, 114, 122, 70,
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107, 141, 172, 151, 135, 181, 284, 137, 114, 157,
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149, 48, 45, 284, 284, 208, 214, 222, 230, 238,
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246, 250, 255, 256, 261, 267, 275
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0, 145, 150, 266, 27, 266, 25, 0, 131, 23,
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23, 16, 23, 39, 31, 25, 39, 60, 22, 65,
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57, 43, 266, 0, 0, 266, 61, 266, 0, 128,
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74, 0, 113, 59, 62, 113, 52, 0, 0, 72,
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66, 110, 100, 266, 73, 74, 266, 70, 266, 90,
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103, 266, 84, 129, 108, 113, 143, 266, 107, 66,
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118, 137, 168, 120, 80, 91, 145, 143, 83, 41,
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266, 266, 190, 196, 204, 212, 220, 228, 232, 237,
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238, 243, 249, 257
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} ;
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static yyconst flex_int16_t yy_def[88] =
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static yyconst flex_int16_t yy_def[85] =
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{ 0,
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75, 1, 1, 3, 75, 75, 75, 75, 76, 77,
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78, 75, 77, 79, 75, 75, 75, 75, 75, 19,
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75, 75, 75, 75, 76, 75, 80, 77, 78, 75,
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81, 75, 76, 78, 79, 79, 75, 75, 75, 39,
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19, 82, 83, 75, 75, 84, 20, 76, 78, 75,
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79, 51, 85, 75, 75, 75, 75, 84, 79, 51,
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79, 79, 79, 51, 75, 75, 75, 86, 79, 63,
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86, 87, 87, 75, 0, 75, 75, 75, 75, 75,
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75, 75, 75, 75, 75, 75, 75
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72, 1, 72, 72, 72, 72, 73, 74, 72, 72,
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75, 72, 72, 72, 14, 72, 72, 74, 72, 76,
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72, 73, 72, 77, 74, 72, 75, 72, 78, 72,
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72, 31, 14, 79, 80, 72, 72, 81, 15, 73,
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75, 76, 76, 72, 73, 75, 72, 82, 72, 72,
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72, 72, 81, 76, 54, 72, 72, 72, 76, 54,
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76, 76, 76, 54, 83, 76, 63, 83, 84, 84,
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72, 0, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 72, 72, 72
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} ;
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static yyconst flex_int16_t yy_nxt[313] =
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static yyconst flex_int16_t yy_nxt[295] =
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{ 0,
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6, 7, 8, 7, 9, 6, 10, 6, 6, 11,
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6, 6, 12, 6, 6, 6, 6, 6, 6, 10,
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10, 10, 13, 10, 10, 6, 10, 6, 15, 16,
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26, 15, 17, 18, 19, 20, 20, 21, 15, 22,
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24, 30, 24, 38, 33, 36, 37, 74, 23, 34,
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74, 27, 38, 38, 38, 38, 38, 31, 32, 39,
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39, 39, 40, 41, 41, 42, 47, 47, 47, 26,
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43, 38, 44, 45, 46, 30, 44, 75, 38, 38,
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24, 38, 24, 26, 30, 40, 55, 55, 57, 26,
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27, 31, 57, 43, 35, 30, 64, 64, 64, 57,
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4, 5, 6, 5, 7, 4, 8, 9, 10, 11,
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9, 12, 13, 14, 15, 15, 16, 9, 17, 8,
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8, 8, 18, 8, 8, 4, 8, 19, 21, 23,
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21, 26, 28, 26, 26, 30, 31, 31, 31, 26,
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26, 26, 26, 71, 39, 39, 39, 23, 29, 26,
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24, 32, 33, 33, 34, 72, 26, 26, 21, 35,
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21, 36, 37, 38, 40, 36, 43, 44, 24, 41,
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28, 32, 50, 50, 52, 28, 23, 23, 52, 35,
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56, 56, 44, 28, 42, 71, 29, 31, 31, 31,
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42, 29, 59, 44, 48, 49, 49, 24, 24, 29,
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31, 65, 65, 75, 27, 36, 37, 35, 59, 37,
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27, 31, 56, 56, 56, 59, 37, 51, 52, 52,
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39, 39, 39, 59, 37, 37, 68, 53, 54, 54,
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69, 50, 38, 54, 59, 37, 44, 45, 32, 37,
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44, 35, 59, 37, 75, 14, 60, 60, 66, 66,
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66, 37, 14, 72, 75, 61, 62, 63, 59, 61,
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56, 56, 56, 69, 64, 64, 64, 69, 67, 67,
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75, 75, 75, 67, 37, 35, 75, 75, 75, 61,
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62, 75, 75, 61, 75, 70, 70, 70, 75, 75,
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75, 70, 70, 70, 66, 66, 66, 75, 75, 75,
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49, 43, 44, 51, 51, 51, 36, 37, 59, 44,
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36, 65, 44, 54, 55, 55, 51, 51, 51, 59,
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44, 64, 64, 64, 58, 58, 57, 57, 57, 58,
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59, 44, 42, 64, 64, 64, 52, 72, 59, 44,
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47, 66, 60, 60, 42, 44, 59, 69, 26, 72,
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20, 61, 62, 63, 72, 61, 57, 57, 57, 66,
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72, 72, 72, 66, 49, 49, 72, 61, 62, 49,
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44, 61, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 67, 67, 67, 72, 72, 72, 67, 67, 67,
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22, 22, 22, 22, 22, 22, 22, 22, 25, 72,
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75, 75, 54, 54, 75, 75, 75, 54, 25, 25,
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25, 25, 25, 25, 25, 25, 28, 75, 75, 28,
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28, 28, 29, 29, 29, 29, 29, 29, 29, 29,
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35, 35, 35, 35, 35, 35, 35, 35, 48, 75,
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48, 48, 48, 48, 48, 48, 49, 75, 49, 49,
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49, 49, 49, 49, 42, 42, 75, 42, 56, 75,
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56, 58, 58, 58, 66, 75, 66, 71, 71, 71,
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71, 71, 71, 71, 71, 73, 73, 73, 73, 73,
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73, 73, 73, 5, 75, 75, 75, 75, 75, 75,
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75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
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72, 25, 25, 25, 27, 27, 27, 27, 27, 27,
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27, 27, 42, 42, 42, 42, 42, 42, 42, 42,
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45, 72, 45, 45, 45, 45, 45, 45, 46, 72,
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46, 46, 46, 46, 46, 46, 34, 34, 72, 34,
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51, 72, 51, 53, 53, 53, 57, 72, 57, 68,
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68, 68, 68, 68, 68, 68, 68, 70, 70, 70,
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70, 70, 70, 70, 70, 3, 72, 72, 72, 72,
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72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 72, 72, 72
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75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
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75, 75
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} ;
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static yyconst flex_int16_t yy_chk[313] =
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static yyconst flex_int16_t yy_chk[295] =
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{ 0,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 3, 3,
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9, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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7, 11, 7, 16, 13, 14, 14, 73, 3, 13,
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72, 9, 16, 17, 17, 21, 21, 11, 18, 18,
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18, 18, 19, 19, 19, 19, 20, 20, 20, 25,
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19, 23, 19, 19, 19, 29, 19, 20, 22, 22,
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24, 23, 24, 33, 34, 42, 43, 43, 45, 48,
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25, 29, 45, 42, 60, 49, 52, 52, 52, 44,
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1, 1, 1, 1, 1, 1, 1, 1, 5, 7,
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5, 10, 11, 12, 12, 13, 13, 13, 13, 19,
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10, 16, 16, 70, 15, 15, 15, 22, 11, 19,
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7, 14, 14, 14, 14, 15, 17, 17, 21, 14,
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21, 14, 14, 14, 18, 14, 20, 20, 22, 18,
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27, 34, 35, 35, 37, 41, 40, 45, 37, 34,
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48, 48, 65, 46, 65, 69, 27, 31, 31, 31,
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60, 41, 66, 66, 31, 31, 31, 40, 45, 46,
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34, 53, 53, 41, 33, 36, 36, 52, 61, 61,
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48, 49, 55, 55, 55, 69, 69, 36, 36, 36,
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39, 39, 39, 59, 59, 35, 59, 39, 39, 39,
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61, 32, 15, 39, 51, 51, 58, 58, 12, 68,
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58, 68, 62, 62, 5, 4, 51, 51, 65, 65,
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65, 71, 2, 71, 0, 51, 51, 51, 70, 51,
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56, 56, 56, 62, 64, 64, 64, 62, 56, 56,
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0, 0, 0, 56, 63, 64, 0, 0, 0, 70,
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70, 0, 0, 70, 0, 63, 63, 63, 0, 0,
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0, 63, 63, 63, 66, 66, 66, 0, 0, 0,
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31, 43, 43, 50, 50, 50, 53, 53, 59, 59,
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53, 59, 42, 43, 43, 43, 51, 51, 51, 61,
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61, 55, 55, 55, 51, 51, 56, 56, 56, 51,
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54, 54, 55, 64, 64, 64, 36, 33, 62, 62,
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30, 61, 54, 54, 64, 68, 67, 68, 9, 3,
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2, 54, 54, 54, 0, 54, 57, 57, 57, 62,
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0, 0, 0, 62, 57, 57, 0, 67, 67, 57,
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63, 67, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 63, 63, 63, 0, 0, 0, 63, 63, 63,
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73, 73, 73, 73, 73, 73, 73, 73, 74, 0,
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0, 0, 66, 66, 0, 0, 0, 66, 76, 76,
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76, 76, 76, 76, 76, 76, 77, 0, 0, 77,
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77, 77, 78, 78, 78, 78, 78, 78, 78, 78,
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79, 79, 79, 79, 79, 79, 79, 79, 80, 0,
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80, 80, 80, 80, 80, 80, 81, 0, 81, 81,
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81, 81, 81, 81, 82, 82, 0, 82, 83, 0,
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83, 84, 84, 84, 85, 0, 85, 86, 86, 86,
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86, 86, 86, 86, 86, 87, 87, 87, 87, 87,
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87, 87, 87, 75, 75, 75, 75, 75, 75, 75,
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75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
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0, 74, 74, 74, 75, 75, 75, 75, 75, 75,
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75, 75, 76, 76, 76, 76, 76, 76, 76, 76,
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77, 0, 77, 77, 77, 77, 77, 77, 78, 0,
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78, 78, 78, 78, 78, 78, 79, 79, 0, 79,
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80, 0, 80, 81, 81, 81, 82, 0, 82, 83,
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83, 83, 83, 83, 83, 83, 83, 84, 84, 84,
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84, 84, 84, 84, 84, 72, 72, 72, 72, 72,
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72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 72, 72, 72, 72, 72, 72, 72, 72, 72,
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72, 72, 72, 72
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75, 75, 75, 75, 75, 75, 75, 75, 75, 75,
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75, 75
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} ;
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static yy_state_type yy_last_accepting_state;
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@ -618,8 +614,8 @@ int yy_flex_debug = 1;
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static yyconst flex_int16_t yy_rule_linenum[13] =
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{ 0,
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71, 72, 73, 76, 79, 80, 81, 87, 88, 89,
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91, 94
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67, 68, 69, 72, 75, 76, 77, 83, 84, 85,
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87, 90
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} ;
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/* The intent behind this definition is that it'll catch
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@ -666,15 +662,11 @@ char *yytext;
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and then we categorize those basic tokens in the second stage. */
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#define YY_DECL static int yylex1(void)
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/* Version 2 checksumming does proper tokenization; version 1 wasn't
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quite so pedantic. */
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/* We don't do multiple input files. */
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#define YY_NO_INPUT 1
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#line 675 "scripts/genksyms/lex.c"
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#line 668 "scripts/genksyms/lex.c"
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#define INITIAL 0
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#define V2_TOKENS 1
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#ifndef YY_NO_UNISTD_H
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/* Special case for "unistd.h", since it is non-ANSI. We include it way
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@ -917,12 +909,12 @@ YY_DECL
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register int yy_act;
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/* %% [7.0] user's declarations go here */
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#line 67 "scripts/genksyms/lex.l"
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#line 63 "scripts/genksyms/lex.l"
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/* Keep track of our location in the original source files. */
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#line 926 "scripts/genksyms/lex.c"
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#line 918 "scripts/genksyms/lex.c"
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if ( !(yy_init) )
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{
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@ -986,13 +978,13 @@ yy_match:
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while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
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{
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yy_current_state = (int) yy_def[yy_current_state];
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if ( yy_current_state >= 76 )
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if ( yy_current_state >= 73 )
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yy_c = yy_meta[(unsigned int) yy_c];
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}
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yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
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++yy_cp;
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}
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while ( yy_base[yy_current_state] != 284 );
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while ( yy_base[yy_current_state] != 266 );
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yy_find_action:
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/* %% [10.0] code to find the action number goes here */
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@ -1040,42 +1032,42 @@ do_action: /* This label is used only to access EOF actions. */
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case 1:
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/* rule 1 can match eol */
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YY_RULE_SETUP
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#line 71 "scripts/genksyms/lex.l"
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#line 67 "scripts/genksyms/lex.l"
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return FILENAME;
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YY_BREAK
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case 2:
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/* rule 2 can match eol */
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YY_RULE_SETUP
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#line 72 "scripts/genksyms/lex.l"
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#line 68 "scripts/genksyms/lex.l"
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cur_line++;
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YY_BREAK
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case 3:
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/* rule 3 can match eol */
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YY_RULE_SETUP
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#line 73 "scripts/genksyms/lex.l"
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#line 69 "scripts/genksyms/lex.l"
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cur_line++;
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YY_BREAK
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/* Ignore all other whitespace. */
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case 4:
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YY_RULE_SETUP
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#line 76 "scripts/genksyms/lex.l"
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#line 72 "scripts/genksyms/lex.l"
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;
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YY_BREAK
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case 5:
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/* rule 5 can match eol */
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YY_RULE_SETUP
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#line 79 "scripts/genksyms/lex.l"
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#line 75 "scripts/genksyms/lex.l"
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return STRING;
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YY_BREAK
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case 6:
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/* rule 6 can match eol */
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YY_RULE_SETUP
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#line 80 "scripts/genksyms/lex.l"
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#line 76 "scripts/genksyms/lex.l"
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return CHAR;
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YY_BREAK
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case 7:
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YY_RULE_SETUP
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#line 81 "scripts/genksyms/lex.l"
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#line 77 "scripts/genksyms/lex.l"
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return IDENT;
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YY_BREAK
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/* The Pedant requires that the other C multi-character tokens be
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@ -1084,38 +1076,37 @@ return IDENT;
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around them properly. */
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case 8:
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YY_RULE_SETUP
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#line 87 "scripts/genksyms/lex.l"
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#line 83 "scripts/genksyms/lex.l"
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return OTHER;
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YY_BREAK
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case 9:
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YY_RULE_SETUP
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#line 88 "scripts/genksyms/lex.l"
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#line 84 "scripts/genksyms/lex.l"
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return INT;
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YY_BREAK
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case 10:
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YY_RULE_SETUP
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#line 89 "scripts/genksyms/lex.l"
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#line 85 "scripts/genksyms/lex.l"
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return REAL;
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YY_BREAK
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case 11:
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YY_RULE_SETUP
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#line 91 "scripts/genksyms/lex.l"
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#line 87 "scripts/genksyms/lex.l"
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return DOTS;
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YY_BREAK
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/* All other tokens are single characters. */
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case 12:
|
||||
YY_RULE_SETUP
|
||||
#line 94 "scripts/genksyms/lex.l"
|
||||
#line 90 "scripts/genksyms/lex.l"
|
||||
return yytext[0];
|
||||
YY_BREAK
|
||||
case 13:
|
||||
YY_RULE_SETUP
|
||||
#line 97 "scripts/genksyms/lex.l"
|
||||
#line 93 "scripts/genksyms/lex.l"
|
||||
ECHO;
|
||||
YY_BREAK
|
||||
#line 1117 "scripts/genksyms/lex.c"
|
||||
#line 1109 "scripts/genksyms/lex.c"
|
||||
case YY_STATE_EOF(INITIAL):
|
||||
case YY_STATE_EOF(V2_TOKENS):
|
||||
yyterminate();
|
||||
|
||||
case YY_END_OF_BUFFER:
|
||||
@ -1428,7 +1419,7 @@ static int yy_get_next_buffer (void)
|
||||
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
|
||||
{
|
||||
yy_current_state = (int) yy_def[yy_current_state];
|
||||
if ( yy_current_state >= 76 )
|
||||
if ( yy_current_state >= 73 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
@ -1461,11 +1452,11 @@ static int yy_get_next_buffer (void)
|
||||
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
|
||||
{
|
||||
yy_current_state = (int) yy_def[yy_current_state];
|
||||
if ( yy_current_state >= 76 )
|
||||
if ( yy_current_state >= 73 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
yy_is_jam = (yy_current_state == 75);
|
||||
yy_is_jam = (yy_current_state == 72);
|
||||
|
||||
return yy_is_jam ? 0 : yy_current_state;
|
||||
}
|
||||
@ -2251,7 +2242,7 @@ void yyfree (void * ptr )
|
||||
|
||||
/* %ok-for-header */
|
||||
|
||||
#line 97 "scripts/genksyms/lex.l"
|
||||
#line 93 "scripts/genksyms/lex.l"
|
||||
|
||||
|
||||
|
||||
@ -2293,7 +2284,6 @@ yylex(void)
|
||||
|
||||
if (lexstate == ST_NOTSTARTED)
|
||||
{
|
||||
BEGIN(V2_TOKENS);
|
||||
next_node = xmalloc(sizeof(*next_node));
|
||||
next_node->next = NULL;
|
||||
lexstate = ST_NORMAL;
|
||||
|
||||
@ -55,10 +55,6 @@ CHAR L?\'([^\\\']*\\.)*[^\\\']*\'
|
||||
|
||||
MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>)
|
||||
|
||||
/* Version 2 checksumming does proper tokenization; version 1 wasn't
|
||||
quite so pedantic. */
|
||||
%s V2_TOKENS
|
||||
|
||||
/* We don't do multiple input files. */
|
||||
%option noyywrap
|
||||
|
||||
@ -84,9 +80,9 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>)
|
||||
recognized as tokens. We don't actually use them since we don't
|
||||
parse expressions, but we do want whitespace to be arranged
|
||||
around them properly. */
|
||||
<V2_TOKENS>{MC_TOKEN} return OTHER;
|
||||
<V2_TOKENS>{INT} return INT;
|
||||
<V2_TOKENS>{REAL} return REAL;
|
||||
{MC_TOKEN} return OTHER;
|
||||
{INT} return INT;
|
||||
{REAL} return REAL;
|
||||
|
||||
"..." return DOTS;
|
||||
|
||||
@ -134,7 +130,6 @@ yylex(void)
|
||||
|
||||
if (lexstate == ST_NOTSTARTED)
|
||||
{
|
||||
BEGIN(V2_TOKENS);
|
||||
next_node = xmalloc(sizeof(*next_node));
|
||||
next_node->next = NULL;
|
||||
lexstate = ST_NORMAL;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user