Simplify lexer's rules for string constants, eliminate potential buffer overrun.
This commit is contained in:
Tom Lane
parent
45ff93c460
commit
f7c6a88c33
@ -1,7 +1,7 @@
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/* A lexical scanner generated by flex */
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/* Scanner skeleton version:
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* /master/usr.bin/lex/skel.c,v 1.3 1997/09/25 00:10:23 jch Exp
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* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.33 1999/02/07 23:58:52 tgl Exp $
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*/
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#define FLEX_SCANNER
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@ -284,33 +284,33 @@ static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
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*yy_cp = '\0'; \
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yy_c_buf_p = yy_cp;
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#define YY_NUM_RULES 42
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#define YY_END_OF_BUFFER 43
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static yyconst short int yy_acclist[184] =
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#define YY_NUM_RULES 41
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#define YY_END_OF_BUFFER 42
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static yyconst short int yy_acclist[182] =
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{ 0,
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10, 10, 6, 6, 24, 24, 9, 9, 25, 25,
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18, 18, 43, 41, 42, 40, 41, 42, 40, 42,
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32, 41, 42, 22, 41, 42, 29, 30, 32, 41,
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42, 15, 41, 42, 29, 30, 41, 42, 29, 30,
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32, 41, 42, 29, 30, 32, 41, 42, 29, 30,
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41, 42, 29, 30, 32, 41, 42, 37, 41, 42,
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16419, 29, 30, 32, 41, 42, 39, 41, 42,16418,
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39, 41, 42,16418, 39, 41, 42,16418, 10, 42,
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8, 42, 3, 6, 42, 3, 6, 42, 3, 42,
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6, 42, 24, 42, 23, 42, 9, 42, 14, 42,
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10, 10, 6, 6, 23, 23, 9, 9, 24, 24,
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18, 18, 42, 40, 41, 39, 40, 41, 39, 41,
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31, 40, 41, 21, 40, 41, 28, 29, 31, 40,
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41, 15, 40, 41, 28, 29, 40, 41, 28, 29,
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31, 40, 41, 28, 29, 31, 40, 41, 28, 29,
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40, 41, 28, 29, 31, 40, 41, 36, 40, 41,
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16418, 28, 29, 31, 40, 41, 38, 40, 41,16417,
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38, 40, 41,16417, 38, 40, 41,16417, 10, 41,
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8, 41, 3, 6, 41, 3, 6, 41, 3, 41,
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6, 41, 23, 41, 22, 41, 9, 41, 14, 41,
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42, 25, 42, 26, 42, 18, 42, 16, 42, 42,
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32, 32, 32, 33, 32, 32, 37,16419, 38,16420,
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4, 32, 32, 38,16420, 27, 32, 39,16418, 7,
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13, 10, 6, 6, 5, 24, 9, 25, 18, 17,
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20, 19, 20, 31, 28, 31, 28, 31, 33, 28,
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1, 32, 32, 28, 31, 4, 32, 4, 32, 4,
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32, 8227, 38,16420, 38,16420, 8226, 12, 5, 11,
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21, 31, 8228, 38,16420, 2, 4, 32, 31, 2,
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2, 2, 2
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41, 24, 41, 25, 41, 18, 41, 16, 41, 41,
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31, 31, 31, 32, 31, 31, 36,16418, 37,16419,
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4, 31, 31, 37,16419, 26, 31, 38,16417, 7,
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13, 10, 6, 6, 5, 23, 9, 24, 18, 17,
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19, 30, 27, 30, 27, 30, 32, 27, 1, 31,
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31, 27, 30, 4, 31, 4, 31, 4, 31, 8226,
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37,16419, 37,16419, 8225, 12, 5, 11, 20, 30,
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8227, 37,16419, 2, 4, 31, 30, 2, 2, 2,
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2
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} ;
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static yyconst short int yy_accept[135] =
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static yyconst short int yy_accept[134] =
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{ 0,
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1, 1, 1, 2, 3, 4, 5, 6, 7, 8,
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9, 10, 11, 12, 13, 14, 16, 19, 21, 24,
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@ -321,12 +321,12 @@ static yyconst short int yy_accept[135] =
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123, 124, 124, 124, 126, 126, 128, 128, 128, 130,
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131, 132, 133, 133, 133, 134, 135, 135, 135, 136,
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137, 138, 138, 138, 139, 140, 140, 140, 141, 142,
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144, 145, 147, 150, 151, 151, 152, 153, 154, 156,
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143, 145, 148, 149, 149, 150, 151, 152, 154, 154,
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156, 156, 156, 156, 158, 160, 162, 163, 165, 165,
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167, 168, 168, 168, 169, 170, 170, 170, 171, 171,
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171, 172, 173, 174, 174, 176, 176, 179, 180, 181,
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182, 183, 184, 184
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154, 154, 154, 156, 158, 160, 161, 163, 163, 165,
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166, 166, 166, 167, 168, 168, 168, 169, 169, 169,
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170, 171, 172, 172, 174, 174, 177, 178, 179, 180,
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181, 182, 182
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} ;
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static yyconst int yy_ec[256] =
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@ -368,79 +368,79 @@ static yyconst int yy_meta[22] =
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12
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} ;
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static yyconst short int yy_base[153] =
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static yyconst short int yy_base[152] =
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{ 0,
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0, 0, 368, 361, 18, 31, 350, 343, 339, 338,
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46, 48, 18, 31, 344, 451, 451, 451, 332, 451,
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58, 451, 51, 12, 44, 71, 23, 84, 327, 64,
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102, 329, 0, 61, 0, 110, 67, 0, 0, 451,
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0, 68, 451, 75, 451, 0, 81, 328, 247, 78,
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0, 0, 361, 348, 18, 31, 343, 341, 338, 337,
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46, 48, 18, 31, 343, 451, 451, 451, 331, 451,
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58, 451, 51, 12, 44, 71, 23, 84, 321, 64,
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102, 328, 0, 61, 0, 110, 67, 0, 0, 451,
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0, 68, 451, 75, 451, 0, 81, 0, 247, 78,
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91, 31, 242, 67, 234, 126, 228, 0, 146, 162,
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85, 104, 0, 226, 140, 222, 150, 0, 211, 451,
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451, 0, 98, 115, 0, 0, 99, 174, 153, 0,
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0, 108, 156, 167, 0, 177, 179, 451, 451, 451,
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451, 451, 153, 451, 183, 451, 196, 162, 0, 211,
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451, 153, 451, 183, 451, 196, 162, 0, 211, 0,
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0, 174, 155, 219, 111, 189, 451, 0, 77, 196,
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451, 214, 217, 451, 188, 224, 234, 451, 236, 242,
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451, 0, 451, 54, 51, 195, 244, 21, 248, 250,
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252, 258, 451, 261, 273, 285, 297, 309, 321, 330,
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338, 349, 361, 370, 379, 391, 403, 414, 426, 431,
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435, 439
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174, 155, 219, 111, 189, 451, 0, 77, 196, 451,
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214, 217, 451, 188, 224, 234, 451, 236, 242, 451,
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0, 451, 54, 51, 195, 244, 21, 248, 250, 252,
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258, 451, 261, 273, 285, 297, 309, 321, 330, 338,
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349, 361, 370, 379, 391, 403, 414, 426, 431, 435,
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439
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} ;
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static yyconst short int yy_def[153] =
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static yyconst short int yy_def[152] =
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{ 0,
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133, 1, 134, 134, 135, 135, 136, 136, 137, 137,
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138, 138, 139, 139, 133, 133, 133, 133, 140, 133,
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140, 133, 133, 21, 21, 133, 24, 133, 24, 141,
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141, 31, 142, 133, 143, 143, 144, 36, 145, 133,
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146, 133, 133, 133, 133, 147, 133, 148, 140, 140,
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133, 50, 133, 133, 52, 133, 133, 28, 133, 149,
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56, 133, 150, 59, 133, 140, 133, 151, 31, 133,
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133, 142, 133, 133, 143, 36, 144, 144, 144, 145,
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146, 133, 133, 133, 147, 133, 133, 133, 133, 133,
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133, 133, 133, 133, 56, 133, 95, 97, 95, 133,
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132, 1, 133, 133, 134, 134, 135, 135, 136, 136,
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137, 137, 138, 138, 132, 132, 132, 132, 139, 132,
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139, 132, 132, 21, 21, 132, 24, 132, 24, 140,
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140, 31, 141, 132, 142, 142, 143, 36, 144, 132,
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145, 132, 132, 132, 132, 146, 132, 147, 139, 139,
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132, 50, 132, 132, 52, 132, 132, 28, 132, 148,
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56, 132, 149, 59, 132, 139, 132, 150, 31, 132,
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132, 141, 132, 132, 142, 36, 143, 143, 143, 144,
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145, 132, 132, 132, 146, 132, 132, 132, 132, 132,
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132, 132, 132, 56, 132, 94, 96, 94, 132, 151,
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152, 133, 149, 149, 104, 104, 133, 64, 133, 64,
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133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
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133, 95, 133, 133, 110, 149, 104, 149, 149, 149,
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133, 133, 0, 133, 133, 133, 133, 133, 133, 133,
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133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
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133, 133
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132, 148, 148, 103, 103, 132, 64, 132, 64, 132,
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132, 132, 132, 132, 132, 132, 132, 132, 132, 132,
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94, 132, 132, 109, 148, 103, 148, 148, 148, 132,
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132, 0, 132, 132, 132, 132, 132, 132, 132, 132,
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132, 132, 132, 132, 132, 132, 132, 132, 132, 132,
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132
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} ;
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static yyconst short int yy_nxt[473] =
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{ 0,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 24,
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25, 26, 27, 28, 29, 24, 30, 31, 30, 32,
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16, 36, 55, 36, 47, 133, 37, 36, 36, 126,
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16, 36, 55, 36, 47, 132, 37, 36, 36, 125,
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38, 60, 36, 36, 36, 61, 36, 47, 48, 37,
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36, 36, 92, 38, 93, 36, 36, 44, 44, 44,
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36, 36, 91, 38, 92, 36, 36, 44, 44, 44,
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44, 48, 51, 51, 56, 57, 45, 58, 45, 51,
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51, 54, 73, 74, 125, 67, 67, 125, 52, 82,
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83, 53, 51, 51, 68, 77, 84, 84, 94, 79,
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94, 54, 86, 87, 59, 62, 62, 88, 50, 91,
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110, 91, 51, 51, 63, 64, 95, 58, 95, 73,
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51, 54, 73, 74, 124, 67, 67, 124, 52, 82,
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83, 53, 51, 51, 68, 77, 84, 84, 93, 79,
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93, 54, 86, 87, 59, 62, 62, 88, 50, 90,
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109, 90, 51, 51, 63, 64, 94, 58, 94, 73,
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74, 54, 65, 67, 67, 62, 62, 77, 70, 82,
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83, 79, 68, 76, 63, 76, 112, 113, 77, 76,
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76, 114, 76, 127, 76, 76, 95, 95, 96, 97,
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95, 97, 95, 95, 97, 97, 98, 99, 97, 99,
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97, 97, 95, 95, 95, 95, 95, 100, 100, 109,
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109, 67, 67, 110, 115, 115, 101, 116, 117, 59,
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68, 77, 118, 126, 102, 104, 53, 104, 84, 84,
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105, 104, 106, 122, 104, 122, 104, 104, 86, 87,
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119, 120, 77, 124, 124, 121, 95, 125, 95, 115,
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115, 95, 95, 95, 95, 95, 95, 95, 95, 97,
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83, 79, 68, 76, 63, 76, 111, 112, 77, 76,
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76, 113, 76, 126, 76, 76, 94, 94, 95, 96,
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94, 96, 94, 94, 96, 96, 97, 98, 96, 98,
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96, 96, 94, 94, 94, 94, 94, 99, 99, 108,
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108, 67, 67, 109, 114, 114, 100, 115, 116, 59,
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68, 77, 117, 125, 101, 103, 53, 103, 84, 84,
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104, 103, 105, 121, 103, 121, 103, 103, 86, 87,
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118, 119, 77, 123, 123, 120, 94, 124, 94, 114,
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114, 94, 94, 94, 94, 94, 94, 94, 94, 96,
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128, 97, 128, 126, 97, 97, 98, 129, 97, 110,
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97, 97, 100, 100, 133, 112, 113, 133, 112, 113,
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114, 101, 104, 114, 104, 116, 117, 105, 104, 106,
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118, 104, 50, 104, 104, 116, 117, 119, 120, 108,
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118, 59, 121, 119, 120, 130, 131, 92, 121, 130,
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131, 130, 131, 132, 131, 53, 126, 50, 126, 132,
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131, 33, 33, 33, 33, 33, 33, 33, 33, 33,
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127, 96, 127, 125, 96, 96, 97, 128, 96, 109,
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96, 96, 99, 99, 132, 111, 112, 132, 111, 112,
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113, 100, 103, 113, 103, 115, 116, 104, 103, 105,
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117, 103, 50, 103, 103, 115, 116, 118, 119, 107,
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117, 59, 120, 118, 119, 129, 130, 91, 120, 129,
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130, 129, 130, 131, 130, 53, 125, 50, 125, 131,
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130, 33, 33, 33, 33, 33, 33, 33, 33, 33,
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33, 33, 33, 35, 35, 35, 35, 35, 35, 35,
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35, 35, 35, 35, 35, 39, 39, 39, 39, 39,
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39, 39, 39, 39, 39, 39, 39, 41, 41, 41,
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@ -448,78 +448,78 @@ static yyconst short int yy_nxt[473] =
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41, 41, 41, 41, 41, 41, 41, 41, 41, 43,
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43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
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43, 46, 46, 46, 46, 46, 46, 46, 46, 46,
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46, 46, 46, 49, 90, 71, 49, 49, 49, 69,
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69, 66, 50, 133, 42, 42, 69, 40, 69, 72,
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72, 72, 72, 72, 40, 72, 72, 72, 72, 72,
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46, 46, 46, 49, 71, 66, 49, 49, 49, 69,
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69, 50, 132, 42, 42, 40, 69, 40, 69, 72,
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72, 72, 72, 72, 34, 72, 72, 72, 72, 72,
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72, 75, 75, 75, 75, 75, 75, 34, 75, 75,
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75, 75, 75, 78, 34, 133, 78, 78, 78, 80,
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80, 80, 80, 133, 80, 80, 80, 80, 80, 80,
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80, 81, 81, 81, 81, 81, 133, 81, 81, 81,
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75, 75, 75, 78, 132, 132, 78, 78, 78, 80,
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80, 80, 80, 132, 80, 80, 80, 80, 80, 80,
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80, 81, 81, 81, 81, 81, 132, 81, 81, 81,
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81, 81, 81, 85, 85, 85, 85, 85, 133, 85,
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81, 81, 81, 85, 85, 85, 85, 85, 132, 85,
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85, 85, 85, 85, 89, 89, 89, 89, 89, 89,
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89, 89, 89, 89, 89, 89, 103, 103, 133, 103,
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103, 103, 103, 103, 103, 103, 103, 103, 107, 107,
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107, 107, 111, 111, 111, 111, 123, 123, 123, 123,
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15, 133, 133, 133, 133, 133, 133, 133, 133, 133,
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133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
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133, 133
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89, 89, 89, 89, 89, 89, 102, 102, 132, 102,
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102, 102, 102, 102, 102, 102, 102, 102, 106, 106,
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106, 106, 110, 110, 110, 110, 122, 122, 122, 122,
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15, 132, 132, 132, 132, 132, 132, 132, 132, 132,
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132, 132, 132, 132, 132, 132, 132, 132, 132, 132,
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132, 132
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} ;
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static yyconst short int yy_chk[473] =
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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, 5, 24, 5, 13, 24, 5, 5, 5, 128,
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1, 5, 24, 5, 13, 24, 5, 5, 5, 127,
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5, 27, 5, 5, 6, 27, 6, 14, 13, 6,
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6, 6, 52, 6, 52, 6, 6, 11, 11, 12,
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12, 14, 23, 23, 25, 25, 11, 25, 12, 21,
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21, 23, 34, 34, 125, 30, 30, 124, 21, 42,
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21, 23, 34, 34, 124, 30, 30, 123, 21, 42,
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42, 21, 26, 26, 30, 37, 44, 44, 54, 37,
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54, 26, 47, 47, 26, 28, 28, 47, 50, 50,
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109, 50, 51, 51, 28, 28, 61, 28, 61, 73,
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108, 50, 51, 51, 28, 28, 61, 28, 61, 73,
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73, 51, 28, 31, 31, 62, 62, 77, 31, 82,
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82, 77, 31, 36, 62, 36, 74, 74, 36, 36,
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36, 74, 36, 105, 36, 36, 56, 56, 56, 56,
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36, 74, 36, 104, 36, 36, 56, 56, 56, 56,
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56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
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56, 56, 56, 56, 56, 56, 56, 59, 59, 65,
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65, 67, 67, 65, 79, 79, 59, 83, 83, 59,
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67, 79, 83, 103, 59, 60, 93, 60, 84, 84,
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60, 60, 60, 98, 60, 98, 60, 60, 86, 86,
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87, 87, 78, 102, 102, 87, 95, 102, 95, 115,
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115, 95, 95, 95, 95, 95, 95, 95, 95, 97,
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67, 79, 83, 102, 59, 60, 92, 60, 84, 84,
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60, 60, 60, 97, 60, 97, 60, 60, 86, 86,
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87, 87, 78, 101, 101, 87, 94, 101, 94, 114,
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114, 94, 94, 94, 94, 94, 94, 94, 94, 96,
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106, 97, 106, 126, 97, 97, 97, 126, 97, 110,
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97, 97, 100, 100, 110, 112, 112, 69, 113, 113,
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112, 100, 104, 113, 104, 116, 116, 104, 104, 104,
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116, 104, 66, 104, 104, 117, 117, 119, 119, 64,
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117, 57, 119, 120, 120, 127, 127, 55, 120, 129,
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129, 130, 130, 131, 131, 53, 129, 49, 130, 132,
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132, 134, 134, 134, 134, 134, 134, 134, 134, 134,
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134, 134, 134, 135, 135, 135, 135, 135, 135, 135,
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135, 135, 135, 135, 135, 136, 136, 136, 136, 136,
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136, 136, 136, 136, 136, 136, 136, 137, 137, 137,
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105, 96, 105, 125, 96, 96, 96, 125, 96, 109,
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96, 96, 99, 99, 109, 111, 111, 69, 112, 112,
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111, 99, 103, 112, 103, 115, 115, 103, 103, 103,
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115, 103, 66, 103, 103, 116, 116, 118, 118, 64,
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116, 57, 118, 119, 119, 126, 126, 55, 119, 128,
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128, 129, 129, 130, 130, 53, 128, 49, 129, 131,
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131, 133, 133, 133, 133, 133, 133, 133, 133, 133,
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133, 133, 133, 134, 134, 134, 134, 134, 134, 134,
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134, 134, 134, 134, 134, 135, 135, 135, 135, 135,
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135, 135, 135, 135, 135, 135, 135, 136, 136, 136,
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137, 137, 137, 137, 137, 137, 137, 137, 137, 138,
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138, 138, 138, 138, 138, 138, 138, 138, 138, 138,
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138, 139, 139, 139, 139, 139, 139, 139, 139, 139,
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139, 139, 139, 140, 48, 32, 140, 140, 140, 141,
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141, 29, 19, 15, 10, 9, 141, 8, 141, 142,
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142, 142, 142, 142, 7, 142, 142, 142, 142, 142,
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142, 143, 143, 143, 143, 143, 143, 4, 143, 143,
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143, 143, 143, 144, 3, 0, 144, 144, 144, 145,
|
||||
145, 145, 145, 0, 145, 145, 145, 145, 145, 145,
|
||||
145, 146, 146, 146, 146, 146, 0, 146, 146, 146,
|
||||
136, 136, 136, 136, 136, 136, 136, 136, 136, 137,
|
||||
137, 137, 137, 137, 137, 137, 137, 137, 137, 137,
|
||||
137, 138, 138, 138, 138, 138, 138, 138, 138, 138,
|
||||
138, 138, 138, 139, 32, 29, 139, 139, 139, 140,
|
||||
140, 19, 15, 10, 9, 8, 140, 7, 140, 141,
|
||||
141, 141, 141, 141, 4, 141, 141, 141, 141, 141,
|
||||
141, 142, 142, 142, 142, 142, 142, 3, 142, 142,
|
||||
142, 142, 142, 143, 0, 0, 143, 143, 143, 144,
|
||||
144, 144, 144, 0, 144, 144, 144, 144, 144, 144,
|
||||
144, 145, 145, 145, 145, 145, 0, 145, 145, 145,
|
||||
|
||||
146, 146, 146, 147, 147, 147, 147, 147, 0, 147,
|
||||
147, 147, 147, 147, 148, 148, 148, 148, 148, 148,
|
||||
148, 148, 148, 148, 148, 148, 149, 149, 0, 149,
|
||||
149, 149, 149, 149, 149, 149, 149, 149, 150, 150,
|
||||
150, 150, 151, 151, 151, 151, 152, 152, 152, 152,
|
||||
133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
|
||||
133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
|
||||
133, 133
|
||||
145, 145, 145, 146, 146, 146, 146, 146, 0, 146,
|
||||
146, 146, 146, 146, 147, 147, 147, 147, 147, 147,
|
||||
147, 147, 147, 147, 147, 147, 148, 148, 0, 148,
|
||||
148, 148, 148, 148, 148, 148, 148, 148, 149, 149,
|
||||
149, 149, 150, 150, 150, 150, 151, 151, 151, 151,
|
||||
132, 132, 132, 132, 132, 132, 132, 132, 132, 132,
|
||||
132, 132, 132, 132, 132, 132, 132, 132, 132, 132,
|
||||
132, 132
|
||||
} ;
|
||||
|
||||
static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;
|
||||
@ -556,7 +556,7 @@ char *yytext;
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.32 1998/12/18 19:45:36 momjian Exp $
|
||||
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.33 1999/02/07 23:58:52 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -649,6 +649,8 @@ char literal[MAX_PARSE_BUFFER];
|
||||
/* Extended quote
|
||||
* xqdouble implements SQL92 embedded quote
|
||||
* xqcat allows strings to cross input lines
|
||||
* Note: reduction of '' and \ sequences to output text is done in scanstr(),
|
||||
* not by rules here.
|
||||
*/
|
||||
/* Delimited quote
|
||||
* Allows embedded spaces and other special characters into identifiers.
|
||||
@ -671,7 +673,7 @@ real [\-]?{digit}+\.{digit}+([Ee][-+]?{digit}+)?
|
||||
* Other embedded escaped characters are matched explicitly and the leading
|
||||
* backslash is dropped from the string. - thomas 1997-09-24
|
||||
*/
|
||||
#line 675 "lex.yy.c"
|
||||
#line 677 "lex.yy.c"
|
||||
|
||||
/* Macros after this point can all be overridden by user definitions in
|
||||
* section 1.
|
||||
@ -822,9 +824,9 @@ YY_DECL
|
||||
register char *yy_cp, *yy_bp;
|
||||
register int yy_act;
|
||||
|
||||
#line 179 "scan.l"
|
||||
#line 180 "scan.l"
|
||||
|
||||
#line 828 "lex.yy.c"
|
||||
#line 830 "lex.yy.c"
|
||||
|
||||
if ( yy_init )
|
||||
{
|
||||
@ -872,7 +874,7 @@ yy_match:
|
||||
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 >= 134 )
|
||||
if ( yy_current_state >= 133 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
@ -930,34 +932,34 @@ do_action: /* This label is used only to access EOF actions. */
|
||||
{ /* beginning of action switch */
|
||||
case 1:
|
||||
YY_RULE_SETUP
|
||||
#line 180 "scan.l"
|
||||
#line 181 "scan.l"
|
||||
{ /* ignore */ }
|
||||
YY_BREAK
|
||||
case 2:
|
||||
YY_RULE_SETUP
|
||||
#line 182 "scan.l"
|
||||
#line 183 "scan.l"
|
||||
{ /* ignore */ }
|
||||
YY_BREAK
|
||||
case 3:
|
||||
#line 185 "scan.l"
|
||||
#line 186 "scan.l"
|
||||
case 4:
|
||||
YY_RULE_SETUP
|
||||
#line 185 "scan.l"
|
||||
#line 186 "scan.l"
|
||||
{ BEGIN(xc); }
|
||||
YY_BREAK
|
||||
case 5:
|
||||
YY_RULE_SETUP
|
||||
#line 187 "scan.l"
|
||||
#line 188 "scan.l"
|
||||
{ BEGIN(INITIAL); }
|
||||
YY_BREAK
|
||||
case 6:
|
||||
YY_RULE_SETUP
|
||||
#line 189 "scan.l"
|
||||
#line 190 "scan.l"
|
||||
{ /* ignore */ }
|
||||
YY_BREAK
|
||||
case 7:
|
||||
YY_RULE_SETUP
|
||||
#line 191 "scan.l"
|
||||
#line 192 "scan.l"
|
||||
{
|
||||
BEGIN(xb);
|
||||
llen = 0;
|
||||
@ -966,7 +968,7 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 8:
|
||||
YY_RULE_SETUP
|
||||
#line 196 "scan.l"
|
||||
#line 197 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -979,10 +981,10 @@ YY_RULE_SETUP
|
||||
}
|
||||
YY_BREAK
|
||||
case 9:
|
||||
#line 207 "scan.l"
|
||||
#line 208 "scan.l"
|
||||
case 10:
|
||||
YY_RULE_SETUP
|
||||
#line 207 "scan.l"
|
||||
#line 208 "scan.l"
|
||||
{
|
||||
if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
@ -991,16 +993,16 @@ YY_RULE_SETUP
|
||||
}
|
||||
YY_BREAK
|
||||
case 11:
|
||||
#line 214 "scan.l"
|
||||
#line 215 "scan.l"
|
||||
case 12:
|
||||
YY_RULE_SETUP
|
||||
#line 214 "scan.l"
|
||||
#line 215 "scan.l"
|
||||
{
|
||||
}
|
||||
YY_BREAK
|
||||
case 13:
|
||||
YY_RULE_SETUP
|
||||
#line 217 "scan.l"
|
||||
#line 218 "scan.l"
|
||||
{
|
||||
BEGIN(xh);
|
||||
llen = 0;
|
||||
@ -1009,7 +1011,7 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 14:
|
||||
YY_RULE_SETUP
|
||||
#line 222 "scan.l"
|
||||
#line 223 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -1023,7 +1025,7 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 15:
|
||||
YY_RULE_SETUP
|
||||
#line 233 "scan.l"
|
||||
#line 234 "scan.l"
|
||||
{
|
||||
BEGIN(xq);
|
||||
llen = 0;
|
||||
@ -1032,7 +1034,7 @@ YY_RULE_SETUP
|
||||
YY_BREAK
|
||||
case 16:
|
||||
YY_RULE_SETUP
|
||||
#line 238 "scan.l"
|
||||
#line 239 "scan.l"
|
||||
{
|
||||
BEGIN(INITIAL);
|
||||
yylval.str = pstrdup(scanstr(literal));
|
||||
@ -1040,10 +1042,12 @@ YY_RULE_SETUP
|
||||
}
|
||||
YY_BREAK
|
||||
case 17:
|
||||
#line 244 "scan.l"
|
||||
#line 245 "scan.l"
|
||||
case 18:
|
||||
#line 246 "scan.l"
|
||||
case 19:
|
||||
YY_RULE_SETUP
|
||||
#line 244 "scan.l"
|
||||
#line 246 "scan.l"
|
||||
{
|
||||
if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
@ -1051,54 +1055,33 @@ YY_RULE_SETUP
|
||||
llen += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 19:
|
||||
YY_RULE_SETUP
|
||||
#line 250 "scan.l"
|
||||
{
|
||||
if ((llen+yyleng-1) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
memcpy(literal+llen, yytext, yyleng+1);
|
||||
*(literal+llen) = '\'';
|
||||
llen += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 20:
|
||||
YY_RULE_SETUP
|
||||
#line 258 "scan.l"
|
||||
#line 252 "scan.l"
|
||||
{
|
||||
if ((llen+yyleng-1) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
memcpy(literal+llen, yytext, yyleng+1);
|
||||
llen += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 21:
|
||||
YY_RULE_SETUP
|
||||
#line 264 "scan.l"
|
||||
{
|
||||
}
|
||||
YY_BREAK
|
||||
case 22:
|
||||
YY_RULE_SETUP
|
||||
#line 268 "scan.l"
|
||||
#line 256 "scan.l"
|
||||
{
|
||||
BEGIN(xd);
|
||||
llen = 0;
|
||||
*literal = '\0';
|
||||
}
|
||||
YY_BREAK
|
||||
case 23:
|
||||
case 22:
|
||||
YY_RULE_SETUP
|
||||
#line 273 "scan.l"
|
||||
#line 261 "scan.l"
|
||||
{
|
||||
BEGIN(INITIAL);
|
||||
yylval.str = pstrdup(literal);
|
||||
return IDENT;
|
||||
}
|
||||
YY_BREAK
|
||||
case 24:
|
||||
case 23:
|
||||
YY_RULE_SETUP
|
||||
#line 278 "scan.l"
|
||||
#line 266 "scan.l"
|
||||
{
|
||||
if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
@ -1106,59 +1089,59 @@ YY_RULE_SETUP
|
||||
llen += yyleng;
|
||||
}
|
||||
YY_BREAK
|
||||
case 25:
|
||||
case 24:
|
||||
YY_RULE_SETUP
|
||||
#line 286 "scan.l"
|
||||
#line 274 "scan.l"
|
||||
{ /* ignore */ }
|
||||
YY_BREAK
|
||||
case 26:
|
||||
case 25:
|
||||
YY_RULE_SETUP
|
||||
#line 287 "scan.l"
|
||||
#line 275 "scan.l"
|
||||
{
|
||||
BEGIN(INITIAL);
|
||||
return yytext[0];
|
||||
}
|
||||
YY_BREAK
|
||||
case 27:
|
||||
case 26:
|
||||
YY_RULE_SETUP
|
||||
#line 293 "scan.l"
|
||||
#line 281 "scan.l"
|
||||
{ return TYPECAST; }
|
||||
YY_BREAK
|
||||
case 28:
|
||||
case 27:
|
||||
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */
|
||||
yy_c_buf_p = yy_cp = yy_bp + 1;
|
||||
YY_DO_BEFORE_ACTION; /* set up yytext again */
|
||||
YY_RULE_SETUP
|
||||
#line 295 "scan.l"
|
||||
#line 283 "scan.l"
|
||||
{
|
||||
BEGIN(xm);
|
||||
return yytext[0];
|
||||
}
|
||||
YY_BREAK
|
||||
case 28:
|
||||
YY_RULE_SETUP
|
||||
#line 287 "scan.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 29:
|
||||
YY_RULE_SETUP
|
||||
#line 299 "scan.l"
|
||||
#line 288 "scan.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 30:
|
||||
YY_RULE_SETUP
|
||||
#line 300 "scan.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 31:
|
||||
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */
|
||||
yy_c_buf_p = yy_cp -= 2;
|
||||
YY_DO_BEFORE_ACTION; /* set up yytext again */
|
||||
YY_RULE_SETUP
|
||||
#line 301 "scan.l"
|
||||
#line 289 "scan.l"
|
||||
{
|
||||
yylval.str = pstrdup((char*)yytext);
|
||||
return Op;
|
||||
}
|
||||
YY_BREAK
|
||||
case 32:
|
||||
case 31:
|
||||
YY_RULE_SETUP
|
||||
#line 305 "scan.l"
|
||||
#line 293 "scan.l"
|
||||
{
|
||||
if (strcmp((char*)yytext,"!=") == 0)
|
||||
yylval.str = pstrdup("<>"); /* compatability */
|
||||
@ -1167,17 +1150,17 @@ YY_RULE_SETUP
|
||||
return Op;
|
||||
}
|
||||
YY_BREAK
|
||||
case 33:
|
||||
case 32:
|
||||
YY_RULE_SETUP
|
||||
#line 312 "scan.l"
|
||||
#line 300 "scan.l"
|
||||
{
|
||||
yylval.ival = atoi((char*)&yytext[1]);
|
||||
return PARAM;
|
||||
}
|
||||
YY_BREAK
|
||||
case 34:
|
||||
case 33:
|
||||
YY_RULE_SETUP
|
||||
#line 318 "scan.l"
|
||||
#line 306 "scan.l"
|
||||
{
|
||||
int i;
|
||||
ScanKeyword *keyword;
|
||||
@ -1201,9 +1184,9 @@ YY_RULE_SETUP
|
||||
}
|
||||
}
|
||||
YY_BREAK
|
||||
case 35:
|
||||
case 34:
|
||||
YY_RULE_SETUP
|
||||
#line 340 "scan.l"
|
||||
#line 328 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -1223,9 +1206,9 @@ YY_RULE_SETUP
|
||||
return ICONST;
|
||||
}
|
||||
YY_BREAK
|
||||
case 36:
|
||||
case 35:
|
||||
YY_RULE_SETUP
|
||||
#line 358 "scan.l"
|
||||
#line 346 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -1238,9 +1221,9 @@ YY_RULE_SETUP
|
||||
return FCONST;
|
||||
}
|
||||
YY_BREAK
|
||||
case 37:
|
||||
case 36:
|
||||
YY_RULE_SETUP
|
||||
#line 369 "scan.l"
|
||||
#line 357 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -1259,9 +1242,9 @@ YY_RULE_SETUP
|
||||
return ICONST;
|
||||
}
|
||||
YY_BREAK
|
||||
case 38:
|
||||
case 37:
|
||||
YY_RULE_SETUP
|
||||
#line 386 "scan.l"
|
||||
#line 374 "scan.l"
|
||||
{
|
||||
char* endptr;
|
||||
|
||||
@ -1273,9 +1256,9 @@ YY_RULE_SETUP
|
||||
return FCONST;
|
||||
}
|
||||
YY_BREAK
|
||||
case 39:
|
||||
case 38:
|
||||
YY_RULE_SETUP
|
||||
#line 398 "scan.l"
|
||||
#line 386 "scan.l"
|
||||
{
|
||||
int i;
|
||||
ScanKeyword *keyword;
|
||||
@ -1298,22 +1281,22 @@ YY_RULE_SETUP
|
||||
}
|
||||
}
|
||||
YY_BREAK
|
||||
case 39:
|
||||
YY_RULE_SETUP
|
||||
#line 407 "scan.l"
|
||||
{ /* ignore */ }
|
||||
YY_BREAK
|
||||
case 40:
|
||||
YY_RULE_SETUP
|
||||
#line 419 "scan.l"
|
||||
{ /* ignore */ }
|
||||
#line 409 "scan.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 41:
|
||||
YY_RULE_SETUP
|
||||
#line 421 "scan.l"
|
||||
{ return yytext[0]; }
|
||||
YY_BREAK
|
||||
case 42:
|
||||
YY_RULE_SETUP
|
||||
#line 423 "scan.l"
|
||||
#line 411 "scan.l"
|
||||
ECHO;
|
||||
YY_BREAK
|
||||
#line 1317 "lex.yy.c"
|
||||
#line 1300 "lex.yy.c"
|
||||
case YY_STATE_EOF(INITIAL):
|
||||
case YY_STATE_EOF(xb):
|
||||
case YY_STATE_EOF(xc):
|
||||
@ -1608,7 +1591,7 @@ static yy_state_type yy_get_previous_state()
|
||||
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 >= 134 )
|
||||
if ( yy_current_state >= 133 )
|
||||
yy_c = yy_meta[(unsigned int) yy_c];
|
||||
}
|
||||
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
||||
@ -1638,11 +1621,11 @@ yy_state_type yy_current_state;
|
||||
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 >= 134 )
|
||||
if ( yy_current_state >= 133 )
|
||||
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 == 133);
|
||||
yy_is_jam = (yy_current_state == 132);
|
||||
if ( ! yy_is_jam )
|
||||
*yy_state_ptr++ = yy_current_state;
|
||||
|
||||
@ -2199,7 +2182,7 @@ int main()
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#line 423 "scan.l"
|
||||
#line 411 "scan.l"
|
||||
|
||||
|
||||
void yyerror(char message[])
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.44 1998/10/08 18:29:51 momjian Exp $
|
||||
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.45 1999/02/07 23:58:10 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -108,13 +108,14 @@ xhcat {quote}{space}*\n{space}*{quote}
|
||||
/* Extended quote
|
||||
* xqdouble implements SQL92 embedded quote
|
||||
* xqcat allows strings to cross input lines
|
||||
* Note: reduction of '' and \ sequences to output text is done in scanstr(),
|
||||
* not by rules here.
|
||||
*/
|
||||
quote '
|
||||
xqstart {quote}
|
||||
xqstop {quote}
|
||||
xqdouble {quote}{quote}
|
||||
xqinside [^\\']*
|
||||
xqembedded "\\'"
|
||||
xqliteral [\\](.|\n)
|
||||
xqcat {quote}{space}*\n{space}*{quote}
|
||||
|
||||
@ -241,22 +242,9 @@ other .
|
||||
return SCONST;
|
||||
}
|
||||
<xq>{xqdouble} |
|
||||
<xq>{xqinside} {
|
||||
if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
memcpy(literal+llen, yytext, yyleng+1);
|
||||
llen += yyleng;
|
||||
}
|
||||
<xq>{xqembedded} {
|
||||
if ((llen+yyleng-1) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
memcpy(literal+llen, yytext, yyleng+1);
|
||||
*(literal+llen) = '\'';
|
||||
llen += yyleng;
|
||||
}
|
||||
|
||||
<xq>{xqinside} |
|
||||
<xq>{xqliteral} {
|
||||
if ((llen+yyleng-1) > (MAX_PARSE_BUFFER - 1))
|
||||
if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1))
|
||||
elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER);
|
||||
memcpy(literal+llen, yytext, yyleng+1);
|
||||
llen += yyleng;
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user