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+--------+-------------------------+-------------------------+--------+--------+
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|00000080| 2f 2a 20 50 61 72 73 65 | 20 43 20 65 78 70 72 65 |/* Parse| C expre|
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|00001e50| 20 28 74 6f 6b 74 61 62 | 20 3d 20 74 6f 6b 65 6e | (toktab| = token|
|00001e60| 74 61 62 32 3b 20 74 6f | 6b 74 61 62 2d 3e 6f 70 |tab2; to|ktab->op|
|00001e70| 65 72 61 74 6f 72 20 21 | 3d 20 4e 55 4c 4c 3b 20 |erator !|= NULL; |
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|00001e90| 20 28 63 20 3d 3d 20 2a | 74 6f 6b 74 61 62 2d 3e | (c == *|toktab->|
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|00002120| 45 29 20 2d 20 31 29 3b | 0d 20 20 20 20 7d 0d 0d |E) - 1);|.    }..|
|00002130| 20 20 20 20 79 79 6c 76 | 61 6c 2e 69 6e 74 65 67 |    yylv|al.integ|
|00002140| 65 72 2e 75 6e 73 69 67 | 6e 65 64 70 20 3d 20 30 |er.unsig|nedp = 0|
|00002150| 3b 0d 20 20 20 20 63 20 | 3d 20 2a 6c 65 78 70 74 |;.    c |= *lexpt|
|00002160| 72 2b 2b 3b 0d 20 20 20 | 20 69 66 20 28 63 20 21 |r++;.   | if (c !|
|00002170| 3d 20 27 5c 27 27 29 20 | 7b 0d 20 20 20 20 20 20 |= '\'') |{.      |
|00002180| 79 79 65 72 72 6f 72 20 | 28 22 49 6e 76 61 6c 69 |yyerror |("Invali|
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|000021e0| 20 20 20 20 2f 2a 20 73 | 6f 6d 65 20 6f 66 20 74 |    /* s|ome of t|
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|00002280| 63 61 73 65 20 27 25 27 | 3a 0d 20 20 63 61 73 65 |case '%'|:.  case|
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|000022b0| 63 61 73 65 20 27 7e 27 | 3a 0d 20 20 63 61 73 65 |case '~'|:.  case|
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|00002310| 63 61 73 65 20 27 5d 27 | 3a 0d 20 20 63 61 73 65 |case ']'|:.  case|
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|00002340| 63 61 73 65 20 27 3d 27 | 3a 0d 20 20 63 61 73 65 |case '='|:.  case|
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|00002360| 3a 0d 20 20 63 61 73 65 | 20 27 2c 27 3a 0d 20 20 |:.  case| ',':.  |
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|000023f0| 52 3b 0d 20 20 7d 0d 20 | 20 69 66 20 28 63 20 3e |R;.  }. | if (c >|
|00002400| 3d 20 27 30 27 20 26 26 | 20 63 20 3c 3d 20 27 39 |= '0' &&| c <= '9|
|00002410| 27 29 20 7b 0d 20 20 20 | 20 2f 2a 20 49 74 27 73 |') {.   | /* It's|
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|00002440| 30 3b 0d 09 20 63 20 3d | 20 74 6f 6b 73 74 61 72 |0;.. c =| tokstar|
|00002450| 74 5b 6e 61 6d 65 6c 65 | 6e 5d 2c 20 69 73 5f 69 |t[namele|n], is_i|
|00002460| 64 63 68 61 72 5b 63 5d | 20 7c 7c 20 63 20 3d 3d |dchar[c]| || c ==|
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|00002480| 2b 2b 29 0d 20 20 20 20 | 20 20 3b 0d 20 20 20 20 |++).    |  ;.    |
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|000024b0| 20 7d 0d 20 20 0d 20 20 | 69 66 20 28 21 69 73 5f | }.  .  |if (!is_|
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|00002800| 20 73 74 72 69 6e 67 2e | 20 20 2a 2f 0d 0d 69 6e | string.|  */..in|
|00002810| 74 0d 70 61 72 73 65 5f | 65 73 63 61 70 65 20 28 |t.parse_|escape (|
|00002820| 73 74 72 69 6e 67 5f 70 | 74 72 29 0d 20 20 20 20 |string_p|tr).    |
|00002830| 20 63 68 61 72 20 2a 2a | 73 74 72 69 6e 67 5f 70 | char **|string_p|
|00002840| 74 72 3b 0d 7b 0d 20 20 | 72 65 67 69 73 74 65 72 |tr;.{.  |register|
|00002850| 20 69 6e 74 20 63 20 3d | 20 2a 28 2a 73 74 72 69 | int c =| *(*stri|
|00002860| 6e 67 5f 70 74 72 29 2b | 2b 3b 0d 20 20 73 77 69 |ng_ptr)+|+;.  swi|
|00002870| 74 63 68 20 28 63 29 0d | 20 20 20 20 7b 0d 20 20 |tch (c).|    {.  |
|00002880| 20 20 63 61 73 65 20 27 | 61 27 3a 0d 20 20 20 20 |  case '|a':.    |
|00002890| 20 20 72 65 74 75 72 6e | 20 54 41 52 47 45 54 5f |  return| TARGET_|
|000028a0| 42 45 4c 4c 3b 0d 20 20 | 20 20 63 61 73 65 20 27 |BELL;.  |  case '|
|000028b0| 62 27 3a 0d 20 20 20 20 | 20 20 72 65 74 75 72 6e |b':.    |  return|
|000028c0| 20 54 41 52 47 45 54 5f | 42 53 3b 0d 20 20 20 20 | TARGET_|BS;.    |
|000028d0| 63 61 73 65 20 27 65 27 | 3a 0d 20 20 20 20 20 20 |case 'e'|:.      |
|000028e0| 72 65 74 75 72 6e 20 30 | 33 33 3b 0d 20 20 20 20 |return 0|33;.    |
|000028f0| 63 61 73 65 20 27 66 27 | 3a 0d 20 20 20 20 20 20 |case 'f'|:.      |
|00002900| 72 65 74 75 72 6e 20 54 | 41 52 47 45 54 5f 46 46 |return T|ARGET_FF|
|00002910| 3b 0d 20 20 20 20 63 61 | 73 65 20 27 6e 27 3a 0d |;.    ca|se 'n':.|
|00002920| 20 20 20 20 20 20 72 65 | 74 75 72 6e 20 54 41 52 |      re|turn TAR|
|00002930| 47 45 54 5f 4e 45 57 4c | 49 4e 45 3b 0d 20 20 20 |GET_NEWL|INE;.   |
|00002940| 20 63 61 73 65 20 27 72 | 27 3a 0d 20 20 20 20 20 | case 'r|':.     |
|00002950| 20 72 65 74 75 72 6e 20 | 54 41 52 47 45 54 5f 43 | return |TARGET_C|
|00002960| 52 3b 0d 20 20 20 20 63 | 61 73 65 20 27 74 27 3a |R;.    c|ase 't':|
|00002970| 0d 20 20 20 20 20 20 72 | 65 74 75 72 6e 20 54 41 |.      r|eturn TA|
|00002980| 52 47 45 54 5f 54 41 42 | 3b 0d 20 20 20 20 63 61 |RGET_TAB|;.    ca|
|00002990| 73 65 20 27 76 27 3a 0d | 20 20 20 20 20 20 72 65 |se 'v':.|      re|
|000029a0| 74 75 72 6e 20 54 41 52 | 47 45 54 5f 56 54 3b 0d |turn TAR|GET_VT;.|
|000029b0| 20 20 20 20 63 61 73 65 | 20 27 5c 6e 27 3a 0d 20 |    case| '\n':. |
|000029c0| 20 20 20 20 20 72 65 74 | 75 72 6e 20 2d 32 3b 0d |     ret|urn -2;.|
|000029d0| 20 20 20 20 63 61 73 65 | 20 30 3a 0d 20 20 20 20 |    case| 0:.    |
|000029e0| 20 20 28 2a 73 74 72 69 | 6e 67 5f 70 74 72 29 2d |  (*stri|ng_ptr)-|
|000029f0| 2d 3b 0d 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |-;.     | return |
|00002a00| 30 3b 0d 20 20 20 20 63 | 61 73 65 20 27 5e 27 3a |0;.    c|ase '^':|
|00002a10| 0d 20 20 20 20 20 20 63 | 20 3d 20 2a 28 2a 73 74 |.      c| = *(*st|
|00002a20| 72 69 6e 67 5f 70 74 72 | 29 2b 2b 3b 0d 20 20 20 |ring_ptr|)++;.   |
|00002a30| 20 20 20 69 66 20 28 63 | 20 3d 3d 20 27 5c 5c 27 |   if (c| == '\\'|
|00002a40| 29 0d 09 63 20 3d 20 70 | 61 72 73 65 5f 65 73 63 |)..c = p|arse_esc|
|00002a50| 61 70 65 20 28 73 74 72 | 69 6e 67 5f 70 74 72 29 |ape (str|ing_ptr)|
|00002a60| 3b 0d 20 20 20 20 20 20 | 69 66 20 28 63 20 3d 3d |;.      |if (c ==|
|00002a70| 20 27 3f 27 29 0d 09 72 | 65 74 75 72 6e 20 30 31 | '?')..r|eturn 01|
|00002a80| 37 37 3b 0d 20 20 20 20 | 20 20 72 65 74 75 72 6e |77;.    |  return|
|00002a90| 20 28 63 20 26 20 30 32 | 30 30 29 20 7c 20 28 63 | (c & 02|00) | (c|
|00002aa0| 20 26 20 30 33 37 29 3b | 0d 20 20 20 20 20 20 0d | & 037);|.      .|
|00002ab0| 20 20 20 20 63 61 73 65 | 20 27 30 27 3a 0d 20 20 |    case| '0':.  |
|00002ac0| 20 20 63 61 73 65 20 27 | 31 27 3a 0d 20 20 20 20 |  case '|1':.    |
|00002ad0| 63 61 73 65 20 27 32 27 | 3a 0d 20 20 20 20 63 61 |case '2'|:.    ca|
|00002ae0| 73 65 20 27 33 27 3a 0d | 20 20 20 20 63 61 73 65 |se '3':.|    case|
|00002af0| 20 27 34 27 3a 0d 20 20 | 20 20 63 61 73 65 20 27 | '4':.  |  case '|
|00002b00| 35 27 3a 0d 20 20 20 20 | 63 61 73 65 20 27 36 27 |5':.    |case '6'|
|00002b10| 3a 0d 20 20 20 20 63 61 | 73 65 20 27 37 27 3a 0d |:.    ca|se '7':.|
|00002b20| 20 20 20 20 20 20 7b 0d | 09 72 65 67 69 73 74 65 |      {.|.registe|
|00002b30| 72 20 69 6e 74 20 69 20 | 3d 20 63 20 2d 20 27 30 |r int i |= c - '0|
|00002b40| 27 3b 0d 09 72 65 67 69 | 73 74 65 72 20 69 6e 74 |';..regi|ster int|
|00002b50| 20 63 6f 75 6e 74 20 3d | 20 30 3b 0d 09 77 68 69 | count =| 0;..whi|
|00002b60| 6c 65 20 28 2b 2b 63 6f | 75 6e 74 20 3c 20 33 29 |le (++co|unt < 3)|
|00002b70| 0d 09 20 20 7b 0d 09 20 | 20 20 20 63 20 3d 20 2a |..  {.. |   c = *|
|00002b80| 28 2a 73 74 72 69 6e 67 | 5f 70 74 72 29 2b 2b 3b |(*string|_ptr)++;|
|00002b90| 0d 09 20 20 20 20 69 66 | 20 28 63 20 3e 3d 20 27 |..    if| (c >= '|
|00002ba0| 30 27 20 26 26 20 63 20 | 3c 3d 20 27 37 27 29 0d |0' && c |<= '7').|
|00002bb0| 09 20 20 20 20 20 20 69 | 20 3d 20 28 69 20 3c 3c |.      i| = (i <<|
|00002bc0| 20 33 29 20 2b 20 63 20 | 2d 20 27 30 27 3b 0d 09 | 3) + c |- '0';..|
|00002bd0| 20 20 20 20 65 6c 73 65 | 0d 09 20 20 20 20 20 20 |    else|..      |
|00002be0| 7b 0d 09 09 28 2a 73 74 | 72 69 6e 67 5f 70 74 72 |{...(*st|ring_ptr|
|00002bf0| 29 2d 2d 3b 0d 09 09 62 | 72 65 61 6b 3b 0d 09 20 |)--;...b|reak;.. |
|00002c00| 20 20 20 20 20 7d 0d 09 | 20 20 7d 0d 09 69 66 20 |     }..|  }..if |
|00002c10| 28 28 69 20 26 20 7e 28 | 28 31 20 3c 3c 20 43 48 |((i & ~(|(1 << CH|
|00002c20| 41 52 5f 54 59 50 45 5f | 53 49 5a 45 29 20 2d 20 |AR_TYPE_|SIZE) - |
|00002c30| 31 29 29 20 21 3d 20 30 | 29 0d 09 20 20 7b 0d 09 |1)) != 0|)..  {..|
|00002c40| 20 20 20 20 69 20 26 3d | 20 28 31 20 3c 3c 20 43 |    i &=| (1 << C|
|00002c50| 48 41 52 5f 54 59 50 45 | 5f 53 49 5a 45 29 20 2d |HAR_TYPE|_SIZE) -|
|00002c60| 20 31 3b 0d 09 20 20 20 | 20 77 61 72 6e 69 6e 67 | 1;..   | warning|
|00002c70| 20 28 22 6f 63 74 61 6c | 20 63 68 61 72 61 63 74 | ("octal| charact|
|00002c80| 65 72 20 63 6f 6e 73 74 | 61 6e 74 20 64 6f 65 73 |er const|ant does|
|00002c90| 20 6e 6f 74 20 66 69 74 | 20 69 6e 20 61 20 62 79 | not fit| in a by|
|00002ca0| 74 65 22 29 3b 0d 09 20 | 20 7d 0d 09 72 65 74 75 |te");.. | }..retu|
|00002cb0| 72 6e 20 69 3b 0d 20 20 | 20 20 20 20 7d 0d 20 20 |rn i;.  |    }.  |
|00002cc0| 20 20 63 61 73 65 20 27 | 78 27 3a 0d 20 20 20 20 |  case '|x':.    |
|00002cd0| 20 20 7b 0d 09 72 65 67 | 69 73 74 65 72 20 69 6e |  {..reg|ister in|
|00002ce0| 74 20 69 20 3d 20 30 3b | 0d 09 72 65 67 69 73 74 |t i = 0;|..regist|
|00002cf0| 65 72 20 69 6e 74 20 63 | 6f 75 6e 74 20 3d 20 30 |er int c|ount = 0|
|00002d00| 3b 0d 09 66 6f 72 20 28 | 3b 3b 29 0d 09 20 20 7b |;..for (|;;)..  {|
|00002d10| 0d 09 20 20 20 20 63 20 | 3d 20 2a 28 2a 73 74 72 |..    c |= *(*str|
|00002d20| 69 6e 67 5f 70 74 72 29 | 2b 2b 3b 0d 09 20 20 20 |ing_ptr)|++;..   |
|00002d30| 20 69 66 20 28 63 20 3e | 3d 20 27 30 27 20 26 26 | if (c >|= '0' &&|
|00002d40| 20 63 20 3c 3d 20 27 39 | 27 29 0d 09 20 20 20 20 | c <= '9|')..    |
|00002d50| 20 20 69 20 3d 20 28 69 | 20 3c 3c 20 34 29 20 2b |  i = (i| << 4) +|
|00002d60| 20 63 20 2d 20 27 30 27 | 3b 0d 09 20 20 20 20 65 | c - '0'|;..    e|
|00002d70| 6c 73 65 20 69 66 20 28 | 63 20 3e 3d 20 27 61 27 |lse if (|c >= 'a'|
|00002d80| 20 26 26 20 63 20 3c 3d | 20 27 66 27 29 0d 09 20 | && c <=| 'f').. |
|00002d90| 20 20 20 20 20 69 20 3d | 20 28 69 20 3c 3c 20 34 |     i =| (i << 4|
|00002da0| 29 20 2b 20 63 20 2d 20 | 27 61 27 20 2b 20 31 30 |) + c - |'a' + 10|
|00002db0| 3b 0d 09 20 20 20 20 65 | 6c 73 65 20 69 66 20 28 |;..    e|lse if (|
|00002dc0| 63 20 3e 3d 20 27 41 27 | 20 26 26 20 63 20 3c 3d |c >= 'A'| && c <=|
|00002dd0| 20 27 46 27 29 0d 09 20 | 20 20 20 20 20 69 20 3d | 'F').. |     i =|
|00002de0| 20 28 69 20 3c 3c 20 34 | 29 20 2b 20 63 20 2d 20 | (i << 4|) + c - |
|00002df0| 27 41 27 20 2b 20 31 30 | 3b 0d 09 20 20 20 20 65 |'A' + 10|;..    e|
|00002e00| 6c 73 65 0d 09 20 20 20 | 20 20 20 7b 0d 09 09 28 |lse..   |   {...(|
|00002e10| 2a 73 74 72 69 6e 67 5f | 70 74 72 29 2d 2d 3b 0d |*string_|ptr)--;.|
|00002e20| 09 09 62 72 65 61 6b 3b | 0d 09 20 20 20 20 20 20 |..break;|..      |
|00002e30| 7d 0d 09 20 20 7d 0d 09 | 69 66 20 28 28 69 20 26 |}..  }..|if ((i &|
|00002e40| 20 7e 28 28 31 20 3c 3c | 20 42 49 54 53 5f 50 45 | ~((1 <<| BITS_PE|
|00002e50| 52 5f 55 4e 49 54 29 20 | 2d 20 31 29 29 20 21 3d |R_UNIT) |- 1)) !=|
|00002e60| 20 30 29 0d 09 20 20 7b | 0d 09 20 20 20 20 69 20 | 0)..  {|..    i |
|00002e70| 26 3d 20 28 31 20 3c 3c | 20 42 49 54 53 5f 50 45 |&= (1 <<| BITS_PE|
|00002e80| 52 5f 55 4e 49 54 29 20 | 2d 20 31 3b 0d 09 20 20 |R_UNIT) |- 1;..  |
|00002e90| 20 20 77 61 72 6e 69 6e | 67 20 28 22 68 65 78 20 |  warnin|g ("hex |
|00002ea0| 63 68 61 72 61 63 74 65 | 72 20 63 6f 6e 73 74 61 |characte|r consta|
|00002eb0| 6e 74 20 64 6f 65 73 20 | 6e 6f 74 20 66 69 74 20 |nt does |not fit |
|00002ec0| 69 6e 20 61 20 62 79 74 | 65 22 29 3b 0d 09 20 20 |in a byt|e");..  |
|00002ed0| 7d 0d 09 72 65 74 75 72 | 6e 20 69 3b 0d 20 20 20 |}..retur|n i;.   |
|00002ee0| 20 20 20 7d 0d 20 20 20 | 20 64 65 66 61 75 6c 74 |   }.   | default|
|00002ef0| 3a 0d 20 20 20 20 20 20 | 72 65 74 75 72 6e 20 63 |:.      |return c|
|00002f00| 3b 0d 20 20 20 20 7d 0d | 7d 0d 0d 76 6f 69 64 0d |;.    }.|}..void.|
|00002f10| 79 79 65 72 72 6f 72 20 | 28 73 29 0d 20 20 20 20 |yyerror |(s).    |
|00002f20| 20 63 68 61 72 20 2a 73 | 3b 0d 7b 0d 20 20 65 72 | char *s|;.{.  er|
|00002f30| 72 6f 72 20 28 73 29 3b | 0d 20 20 6c 6f 6e 67 6a |ror (s);|.  longj|
|00002f40| 6d 70 20 28 70 61 72 73 | 65 5f 72 65 74 75 72 6e |mp (pars|e_return|
|00002f50| 5f 65 72 72 6f 72 2c 20 | 31 29 3b 0d 7d 0d 0c 0d |_error, |1);.}...|
|00002f60| 2f 2a 20 54 68 69 73 20 | 70 61 67 65 20 63 6f 6e |/* This |page con|
|00002f70| 74 61 69 6e 73 20 74 68 | 65 20 65 6e 74 72 79 20 |tains th|e entry |
|00002f80| 70 6f 69 6e 74 20 74 6f | 20 74 68 69 73 20 66 69 |point to| this fi|
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|00002fa0| 65 20 53 54 52 49 4e 47 | 20 61 73 20 61 6e 20 65 |e STRING| as an e|
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|00002fc0| 6f 6d 70 6c 61 69 6e 20 | 69 66 20 74 68 69 73 20 |omplain |if this |
|00002fd0| 66 61 69 6c 73 0d 20 20 | 20 74 6f 20 75 73 65 20 |fails.  | to use |
|00002fe0| 75 70 20 61 6c 6c 20 6f | 66 20 74 68 65 20 63 6f |up all o|f the co|
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|00003050| 6e 63 74 69 6f 6e 20 69 | 73 20 63 61 6c 6c 65 64 |nction i|s called|
|00003060| 2e 20 20 2a 2f 0d 0d 69 | 6e 74 0d 70 61 72 73 65 |.  */..i|nt.parse|
|00003070| 5f 63 5f 65 78 70 72 65 | 73 73 69 6f 6e 20 28 73 |_c_expre|ssion (s|
|00003080| 74 72 69 6e 67 29 0d 20 | 20 20 20 20 63 68 61 72 |tring). |    char|
|00003090| 20 2a 73 74 72 69 6e 67 | 3b 0d 7b 0d 20 20 6c 65 | *string|;.{.  le|
|000030a0| 78 70 74 72 20 3d 20 73 | 74 72 69 6e 67 3b 0d 20 |xptr = s|tring;. |
|000030b0| 20 0d 20 20 69 66 20 28 | 6c 65 78 70 74 72 20 3d | .  if (|lexptr =|
|000030c0| 3d 20 30 20 7c 7c 20 2a | 6c 65 78 70 74 72 20 3d |= 0 || *|lexptr =|
|000030d0| 3d 20 30 29 20 7b 0d 20 | 20 20 20 65 72 72 6f 72 |= 0) {. |   error|
|000030e0| 20 28 22 65 6d 70 74 79 | 20 23 69 66 20 65 78 70 | ("empty| #if exp|
|000030f0| 72 65 73 73 69 6f 6e 22 | 29 3b 0d 20 20 20 20 72 |ression"|);.    r|
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|00003130| 0d 0d 20 20 2f 2a 20 69 | 66 20 74 68 65 72 65 20 |..  /* i|f there |
|00003140| 69 73 20 73 6f 6d 65 20 | 73 6f 72 74 20 6f 66 20 |is some |sort of |
|00003150| 73 63 61 6e 6e 69 6e 67 | 20 65 72 72 6f 72 2c 20 |scanning| error, |
|00003160| 6a 75 73 74 20 72 65 74 | 75 72 6e 20 30 20 61 6e |just ret|urn 0 an|
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|00003290| 20 28 2a 6c 65 78 70 74 | 72 29 0d 20 20 20 20 65 | (*lexpt|r).    e|
|000032a0| 72 72 6f 72 20 28 22 4a | 75 6e 6b 20 61 66 74 65 |rror ("J|unk afte|
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|000032f0| 70 61 72 73 65 20 28 29 | 20 2a 2f 0d 7d 0d 0c 0d |parse ()| */.}...|
|00003300| 23 69 66 64 65 66 20 54 | 45 53 54 5f 45 58 50 5f |#ifdef T|EST_EXP_|
|00003310| 52 45 41 44 45 52 0d 2f | 2a 20 6d 61 69 6e 20 70 |READER./|* main p|
|00003320| 72 6f 67 72 61 6d 2c 20 | 66 6f 72 20 74 65 73 74 |rogram, |for test|
|00003330| 69 6e 67 20 70 75 72 70 | 6f 73 65 73 2e 20 2a 2f |ing purp|oses. */|
|00003340| 0d 6d 61 69 6e 20 28 29 | 0d 7b 0d 20 20 69 6e 74 |.main ()|.{.  int|
|00003350| 20 6e 2c 20 63 3b 0d 20 | 20 63 68 61 72 20 62 75 | n, c;. | char bu|
|00003360| 66 5b 31 30 32 34 5d 3b | 0d 20 20 65 78 74 65 72 |f[1024];|.  exter|
|00003370| 6e 20 69 6e 74 20 79 79 | 64 65 62 75 67 3b 0d 2f |n int yy|debug;./|
|00003380| 2a 0d 20 20 79 79 64 65 | 62 75 67 20 3d 20 31 3b |*.  yyde|bug = 1;|
|00003390| 0d 2a 2f 0d 20 20 69 6e | 69 74 69 61 6c 69 7a 65 |.*/.  in|itialize|
|000033a0| 5f 72 61 6e 64 6f 6d 5f | 6a 75 6e 6b 20 28 29 3b |_random_|junk ();|
|000033b0| 0d 0d 20 20 66 6f 72 20 | 28 3b 3b 29 20 7b 0d 20 |..  for |(;;) {. |
|000033c0| 20 20 20 70 72 69 6e 74 | 66 20 28 22 65 6e 74 65 |   print|f ("ente|
|000033d0| 72 20 65 78 70 72 65 73 | 73 69 6f 6e 3a 20 22 29 |r expres|sion: ")|
|000033e0| 3b 0d 20 20 20 20 6e 20 | 3d 20 30 3b 0d 20 20 20 |;.    n |= 0;.   |
|000033f0| 20 77 68 69 6c 65 20 28 | 28 62 75 66 5b 6e 5d 20 | while (|(buf[n] |
|00003400| 3d 20 67 65 74 63 68 61 | 72 20 28 29 29 20 21 3d |= getcha|r ()) !=|
|00003410| 20 27 5c 6e 27 20 26 26 | 20 62 75 66 5b 6e 5d 20 | '\n' &&| buf[n] |
|00003420| 21 3d 20 45 4f 46 29 0d | 20 20 20 20 20 20 6e 2b |!= EOF).|      n+|
|00003430| 2b 3b 0d 20 20 20 20 69 | 66 20 28 62 75 66 5b 6e |+;.    i|f (buf[n|
|00003440| 5d 20 3d 3d 20 45 4f 46 | 29 0d 20 20 20 20 20 20 |] == EOF|).      |
|00003450| 62 72 65 61 6b 3b 0d 20 | 20 20 20 62 75 66 5b 6e |break;. |   buf[n|
|00003460| 5d 20 3d 20 27 5c 30 27 | 3b 0d 20 20 20 20 70 72 |] = '\0'|;.    pr|
|00003470| 69 6e 74 66 20 28 22 70 | 61 72 73 65 72 20 72 65 |intf ("p|arser re|
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|000034a0| 20 28 62 75 66 29 29 3b | 0d 20 20 7d 0d 7d 0d 0d | (buf));|.  }.}..|
|000034b0| 2f 2a 20 74 61 62 6c 65 | 20 74 6f 20 74 65 6c 6c |/* table| to tell|
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|000034f0| 6e 65 64 20 63 68 61 72 | 20 69 73 5f 69 64 63 68 |ned char| is_idch|
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|00003510| 65 20 74 6f 20 74 65 6c | 6c 20 69 66 20 63 68 61 |e to tel|l if cha|
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|000035a0| 74 68 69 6e 6b 73 20 74 | 68 61 74 0d 20 20 20 6e |thinks t|hat.   n|
|000035b0| 65 77 6c 69 6e 65 20 69 | 73 20 73 70 61 63 65 3b |ewline i|s space;|
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|000035e0| 73 20 70 72 6f 67 72 61 | 6d 2e 20 2a 2f 0d 63 68 |s progra|m. */.ch|
|000035f0| 61 72 20 69 73 5f 68 6f | 72 5f 73 70 61 63 65 5b |ar is_ho|r_space[|
|00003600| 32 35 36 5d 3b 0d 0d 2f | 2a 0d 20 2a 20 69 6e 69 |256];../|*. * ini|
|00003610| 74 69 61 6c 69 7a 65 20 | 72 61 6e 64 6f 6d 20 6a |tialize |random j|
|00003620| 75 6e 6b 20 69 6e 20 74 | 68 65 20 68 61 73 68 20 |unk in t|he hash |
|00003630| 74 61 62 6c 65 20 61 6e | 64 20 6d 61 79 62 65 20 |table an|d maybe |
|00003640| 6f 74 68 65 72 20 70 6c | 61 63 65 73 0d 20 2a 2f |other pl|aces. */|
|00003650| 0d 69 6e 69 74 69 61 6c | 69 7a 65 5f 72 61 6e 64 |.initial|ize_rand|
|00003660| 6f 6d 5f 6a 75 6e 6b 20 | 28 29 0d 7b 0d 20 20 72 |om_junk |().{.  r|
|00003670| 65 67 69 73 74 65 72 20 | 69 6e 74 20 69 3b 0d 0d |egister |int i;..|
|00003680| 20 20 2f 2a 0d 20 20 20 | 2a 20 53 65 74 20 75 70 |  /*.   |* Set up|
|00003690| 20 69 73 5f 69 64 63 68 | 61 72 20 61 6e 64 20 69 | is_idch|ar and i|
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|000036b0| 2e 20 20 54 68 65 73 65 | 20 73 68 6f 75 6c 64 20 |.  These| should |
|000036c0| 62 65 0d 20 20 20 2a 20 | 66 61 73 74 65 72 20 74 |be.   * |faster t|
|000036d0| 68 61 6e 20 73 61 79 69 | 6e 67 20 28 69 73 5f 61 |han sayi|ng (is_a|
|000036e0| 6c 70 68 61 20 28 63 29 | 20 7c 7c 20 63 20 3d 3d |lpha (c)| || c ==|
|000036f0| 20 27 5f 27 29 2c 20 65 | 74 63 2e 0d 20 20 20 2a | '_'), e|tc..   *|
|00003700| 20 4d 75 73 74 20 64 6f | 20 73 65 74 20 75 70 20 | Must do| set up |
|00003710| 74 68 65 73 65 20 74 68 | 69 6e 67 73 20 62 65 66 |these th|ings bef|
|00003720| 6f 72 65 20 63 61 6c 6c | 69 6e 67 20 61 6e 79 20 |ore call|ing any |
|00003730| 72 6f 75 74 69 6e 65 73 | 20 74 74 68 61 74 0d 20 |routines| tthat. |
|00003740| 20 20 2a 20 72 65 66 65 | 72 20 74 6f 20 74 68 65 |  * refe|r to the|
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|00003760| 69 20 3d 20 27 61 27 3b | 20 69 20 3c 3d 20 27 7a |i = 'a';| i <= 'z|
|00003770| 27 3b 20 69 2b 2b 29 20 | 7b 0d 20 20 20 20 2b 2b |'; i++) |{.    ++|
|00003780| 69 73 5f 69 64 63 68 61 | 72 5b 69 20 2d 20 27 61 |is_idcha|r[i - 'a|
|00003790| 27 20 2b 20 27 41 27 5d | 3b 0d 20 20 20 20 2b 2b |' + 'A']|;.    ++|
|000037a0| 69 73 5f 69 64 63 68 61 | 72 5b 69 5d 3b 0d 20 20 |is_idcha|r[i];.  |
|000037b0| 20 20 2b 2b 69 73 5f 69 | 64 73 74 61 72 74 5b 69 |  ++is_i|dstart[i|
|000037c0| 20 2d 20 27 61 27 20 2b | 20 27 41 27 5d 3b 0d 20 | - 'a' +| 'A'];. |
|000037d0| 20 20 20 2b 2b 69 73 5f | 69 64 73 74 61 72 74 5b |   ++is_|idstart[|
|000037e0| 69 5d 3b 0d 20 20 7d 0d | 20 20 66 6f 72 20 28 69 |i];.  }.|  for (i|
|000037f0| 20 3d 20 27 30 27 3b 20 | 69 20 3c 3d 20 27 39 27 | = '0'; |i <= '9'|
|00003800| 3b 20 69 2b 2b 29 0d 20 | 20 20 20 2b 2b 69 73 5f |; i++). |   ++is_|
|00003810| 69 64 63 68 61 72 5b 69 | 5d 3b 0d 20 20 2b 2b 69 |idchar[i|];.  ++i|
|00003820| 73 5f 69 64 63 68 61 72 | 5b 27 5f 27 5d 3b 0d 20 |s_idchar|['_'];. |
|00003830| 20 2b 2b 69 73 5f 69 64 | 73 74 61 72 74 5b 27 5f | ++is_id|start['_|
|00003840| 27 5d 3b 0d 23 69 66 20 | 44 4f 4c 4c 41 52 53 5f |'];.#if |DOLLARS_|
|00003850| 49 4e 5f 49 44 45 4e 54 | 49 46 49 45 52 53 0d 20 |IN_IDENT|IFIERS. |
|00003860| 20 2b 2b 69 73 5f 69 64 | 63 68 61 72 5b 27 24 27 | ++is_id|char['$'|
|00003870| 5d 3b 0d 20 20 2b 2b 69 | 73 5f 69 64 73 74 61 72 |];.  ++i|s_idstar|
|00003880| 74 5b 27 24 27 5d 3b 0d | 23 65 6e 64 69 66 0d 0d |t['$'];.|#endif..|
|00003890| 20 20 2f 2a 20 68 6f 72 | 69 7a 6f 6e 74 61 6c 20 |  /* hor|izontal |
|000038a0| 73 70 61 63 65 20 74 61 | 62 6c 65 20 2a 2f 0d 20 |space ta|ble */. |
|000038b0| 20 2b 2b 69 73 5f 68 6f | 72 5f 73 70 61 63 65 5b | ++is_ho|r_space[|
|000038c0| 27 20 27 5d 3b 0d 20 20 | 2b 2b 69 73 5f 68 6f 72 |' '];.  |++is_hor|
|000038d0| 5f 73 70 61 63 65 5b 27 | 5c 74 27 5d 3b 0d 7d 0d |_space['|\t'];.}.|
|000038e0| 0d 65 72 72 6f 72 20 28 | 6d 73 67 29 0d 7b 0d 20 |.error (|msg).{. |
|000038f0| 20 70 72 69 6e 74 66 20 | 28 22 65 72 72 6f 72 3a | printf |("error:|
|00003900| 20 25 73 5c 6e 22 2c 20 | 6d 73 67 29 3b 0d 7d 0d | %s\n", |msg);.}.|
|00003910| 0d 77 61 72 6e 69 6e 67 | 20 28 6d 73 67 29 0d 7b |.warning| (msg).{|
|00003920| 0d 20 20 70 72 69 6e 74 | 66 20 28 22 77 61 72 6e |.  print|f ("warn|
|00003930| 69 6e 67 3a 20 25 73 5c | 6e 22 2c 20 6d 73 67 29 |ing: %s\|n", msg)|
|00003940| 3b 0d 7d 0d 0d 73 74 72 | 75 63 74 20 68 61 73 68 |;.}..str|uct hash|
|00003950| 6e 6f 64 65 20 2a 0d 6c | 6f 6f 6b 75 70 20 28 6e |node *.l|ookup (n|
|00003960| 61 6d 65 2c 20 6c 65 6e | 2c 20 68 61 73 68 29 0d |ame, len|, hash).|
|00003970| 20 20 20 20 20 63 68 61 | 72 20 2a 6e 61 6d 65 3b |     cha|r *name;|
|00003980| 0d 20 20 20 20 20 69 6e | 74 20 6c 65 6e 3b 0d 20 |.     in|t len;. |
|00003990| 20 20 20 20 69 6e 74 20 | 68 61 73 68 3b 0d 7b 0d |    int |hash;.{.|
|000039a0| 20 20 72 65 74 75 72 6e | 20 28 44 45 46 41 55 4c |  return| (DEFAUL|
|000039b0| 54 5f 53 49 47 4e 45 44 | 5f 43 48 41 52 29 20 3f |T_SIGNED|_CHAR) ?|
|000039c0| 20 30 20 3a 20 28 28 73 | 74 72 75 63 74 20 68 61 | 0 : ((s|truct ha|
|000039d0| 73 68 6e 6f 64 65 20 2a | 29 20 2d 31 29 3b 0d 7d |shnode *|) -1);.}|
|000039e0| 0d 23 65 6e 64 69 66 0d | 00 00 00 00 00 00 00 00 |.#endif.|........|
|000039f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003a00| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00003a10| 00 00 00 3f 06 66 78 33 | 30 2e 61 66 02 00 00 00 |...?.fx3|0.af....|
|00003a20| 54 45 58 54 4d 50 53 20 | 01 00 00 3c 00 c0 00 00 |TEXTMPS |...<....|
|00003a30| 06 63 65 78 70 2e 79 63 | 02 00 00 00 00 00 00 00 |.cexp.yc|........|
|00003a40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 1c 24 |........|.......$|
|00003a50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003a60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003a70| 00 00 a3 81 52 29 00 00 | 00 00 00 00 01 7e 00 00 |....R)..|.....~..|
|00003a80| 00 00 0d 00 00 00 00 3f | 07 67 43 2e 48 65 6c 70 |.......?|.gC.Help|
|00003a90| 02 00 00 00 54 45 58 54 | 4d 50 53 20 01 00 00 00 |....TEXT|MPS ....|
|00003aa0| 01 20 00 00 00 00 00 43 | 00 00 00 00 15 02 00 00 |. .....C|........|
|00003ab0| 18 00 00 00 00 00 01 7e | 00 00 06 00 a1 84 c1 2a |.......~|.......*|
|00003ac0| a2 58 a4 fc 00 00 00 00 | 54 02 00 00 00 00 00 00 |.X......|T.......|
|00003ad0| 00 00 00 00 00 00 00 02 | 00 00 07 11 00 04 00 00 |........|........|
|00003ae0| 00 00 00 00 00 00 07 10 | 00 01 00 00 00 00 00 00 |........|........|
|00003af0| 00 00 00 00 00 00 10 00 | 00 00 00 3f 0a 47 43 43 |........|...?.GCC|
|00003b00| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 00 00 00 |...H..Mo|naco....|
|00003b10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003b20| 00 00 00 00 00 00 00 06 | 00 04 00 3c 00 24 01 dd |........|...<.$..|
|00003b30| 02 3d 00 3c 00 24 01 dd | 02 3d a2 25 4d 16 00 00 |.=.<.$..|.=.%M...|
|00003b40| 00 00 00 00 00 00 00 00 | 34 30 01 00 00 00 01 00 |........|40......|
|00003b50| 00 00 01 4c 00 00 00 4c | 00 00 00 32 00 27 6c f8 |...L...L|...2.'l.|
|00003b60| 05 84 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |.......2|..MPSR..|
|00003b70| 00 0a 03 ed ff ff 00 00 | 00 00 00 29 13 30 00 00 |........|...).0..|
+--------+-------------------------+-------------------------+--------+--------+