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|00001a30| 20 20 20 23 23 23 23 23 | 23 23 23 23 0a 58 0a 58 |   #####|####.X.X|
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|00001aa0| 09 7b 0a 58 09 09 20 20 | 20 20 23 20 61 74 6f 6d |.{.X..  |  # atom|
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|00001ac0| 58 0a 58 09 09 20 20 20 | 20 69 66 20 28 73 20 3d |X.X..   | if (s =|
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|00001c70| 75 73 65 20 76 61 6c 75 | 65 20 63 65 6c 6c 0a 58 |use valu|e cell.X|
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|00001ca0| 20 20 20 20 7d 0a 58 09 | 09 20 20 20 20 2d 2d 65 |    }.X.|.    --e|
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|00001cc0| 69 66 20 28 69 6e 64 65 | 78 28 73 2c 20 22 40 22 |if (inde|x(s, "@"|
|00001cd0| 29 29 0a 58 09 09 7b 0a | 58 09 09 20 20 20 20 23 |)).X..{.|X..    #|
|00001ce0| 20 69 6e 74 72 69 6e 73 | 69 63 20 66 75 6e 63 74 | intrins|ic funct|
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|00001d10| 3d 3d 20 43 4f 4e 53 29 | 0a 58 09 09 20 20 20 20 |== CONS)|.X..    |
|00001d20| 7b 0a 58 09 09 09 63 61 | 72 5b 63 65 6c 6c 5d 20 |{.X...ca|r[cell] |
|00001d30| 3d 20 61 72 67 5b 61 70 | 5d 3b 0a 58 09 09 09 63 |= arg[ap|];.X...c|
|00001d40| 64 72 5b 63 65 6c 6c 5d | 20 3d 20 61 72 67 5b 2d |dr[cell]| = arg[-|
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|00001d60| 72 5b 63 65 6c 6c 5d 20 | 3c 20 30 20 26 26 20 63 |r[cell] |< 0 && c|
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|00001d80| 0a 58 09 09 09 7b 0a 58 | 09 09 09 20 20 20 20 70 |.X...{.X|...    p|
|00001d90| 72 69 6e 74 66 28 54 59 | 50 45 5f 45 52 52 4f 52 |rintf(TY|PE_ERROR|
|00001da0| 2c 20 22 63 6f 6e 73 22 | 2c 20 6e 61 6d 65 5b 63 |, "cons"|, name[c|
|00001db0| 64 72 5b 63 65 6c 6c 5d | 5d 29 3b 0a 58 09 09 09 |dr[cell]|]);.X...|
|00001dc0| 20 20 20 20 61 72 67 5b | 61 70 20 3d 20 65 70 20 |    arg[|ap = ep |
|00001dd0| 3d 20 31 5d 20 3d 20 6e | 69 6c 3b 20 23 20 73 74 |= 1] = n|il; # st|
|00001de0| 6f 70 20 65 76 61 6c 75 | 61 74 69 6f 6e 0a 58 09 |op evalu|ation.X.|
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|00001e10| 65 6c 6c 2b 2b 3b 0a 58 | 09 09 20 20 20 20 7d 0a |ell++;.X|..    }.|
|00001e20| 58 09 09 20 20 20 20 65 | 6c 73 65 20 69 66 20 28 |X..    e|lse if (|
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|00001e40| 20 7b 0a 58 09 09 09 69 | 66 20 28 61 72 67 5b 61 | {.X...i|f (arg[a|
|00001e50| 70 5d 20 3c 20 30 29 0a | 58 09 09 09 7b 0a 58 09 |p] < 0).|X...{.X.|
|00001e60| 09 09 20 20 20 20 70 72 | 69 6e 74 66 28 54 59 50 |..    pr|intf(TYP|
|00001e70| 45 5f 45 52 52 4f 52 2c | 20 22 63 64 72 22 2c 20 |E_ERROR,| "cdr", |
|00001e80| 6e 61 6d 65 5b 61 72 67 | 5b 61 70 5d 5d 29 3b 0a |name[arg|[ap]]);.|
|00001e90| 58 09 09 09 20 20 20 20 | 61 72 67 5b 61 70 20 3d |X...    |arg[ap =|
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|00001eb0| 58 09 09 09 7d 0a 58 09 | 09 09 65 6c 73 65 0a 58 |X...}.X.|..else.X|
|00001ec0| 09 09 09 20 20 20 20 61 | 72 67 5b 61 70 5d 20 3d |...    a|rg[ap] =|
|00001ed0| 20 63 64 72 5b 61 72 67 | 5b 61 70 5d 5d 3b 0a 58 | cdr[arg|[ap]];.X|
|00001ee0| 09 09 20 20 20 20 7d 0a | 58 09 09 20 20 20 20 65 |..    }.|X..    e|
|00001ef0| 6c 73 65 20 69 66 20 28 | 73 20 3d 3d 20 43 41 52 |lse if (|s == CAR|
|00001f00| 29 0a 58 09 09 20 20 20 | 20 7b 0a 58 09 09 09 69 |).X..   | {.X...i|
|00001f10| 66 20 28 61 72 67 5b 61 | 70 5d 20 3c 20 30 29 0a |f (arg[a|p] < 0).|
|00001f20| 58 09 09 09 7b 0a 58 09 | 09 09 20 20 20 20 70 72 |X...{.X.|..    pr|
|00001f30| 69 6e 74 66 28 54 59 50 | 45 5f 45 52 52 4f 52 2c |intf(TYP|E_ERROR,|
|00001f40| 20 22 63 61 72 22 2c 20 | 6e 61 6d 65 5b 61 72 67 | "car", |name[arg|
|00001f50| 5b 61 70 5d 5d 29 3b 0a | 58 09 09 09 20 20 20 20 |[ap]]);.|X...    |
|00001f60| 61 72 67 5b 61 70 20 3d | 20 65 70 20 3d 20 31 5d |arg[ap =| ep = 1]|
|00001f70| 20 3d 20 6e 69 6c 3b 0a | 58 09 09 09 7d 0a 58 09 | = nil;.|X...}.X.|
|00001f80| 09 09 65 6c 73 65 0a 58 | 09 09 09 20 20 20 20 61 |..else.X|...    a|
|00001f90| 72 67 5b 61 70 5d 20 3d | 20 63 61 72 5b 61 72 67 |rg[ap] =| car[arg|
|00001fa0| 5b 61 70 5d 5d 3b 0a 58 | 09 09 20 20 20 20 7d 0a |[ap]];.X|..    }.|
|00001fb0| 58 09 09 20 20 20 20 65 | 6c 73 65 20 69 66 20 28 |X..    e|lse if (|
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|00001fd0| 7b 0a 58 09 09 09 61 72 | 67 31 20 3d 20 61 72 67 |{.X...ar|g1 = arg|
|00001fe0| 5b 61 70 5d 3b 0a 58 09 | 09 09 69 66 20 28 61 72 |[ap];.X.|..if (ar|
|00001ff0| 67 5b 2d 2d 61 70 5d 20 | 3d 3d 20 61 72 67 31 29 |g[--ap] |== arg1)|
|00002000| 0a 58 09 09 09 20 20 20 | 20 61 72 67 5b 61 70 5d |.X...   | arg[ap]|
|00002010| 20 3d 20 74 3b 0a 58 09 | 09 09 65 6c 73 65 0a 58 | = t;.X.|..else.X|
|00002020| 09 09 09 20 20 20 20 61 | 72 67 5b 61 70 5d 20 3d |...    a|rg[ap] =|
|00002030| 20 6e 69 6c 3b 0a 58 09 | 09 20 20 20 20 7d 0a 58 | nil;.X.|.    }.X|
|00002040| 09 09 20 20 20 20 65 6c | 73 65 20 69 66 20 28 73 |..    el|se if (s|
|00002050| 20 3d 3d 20 41 54 4f 4d | 29 0a 58 09 09 20 20 20 | == ATOM|).X..   |
|00002060| 20 7b 0a 58 09 09 09 69 | 66 20 28 61 72 67 5b 61 | {.X...i|f (arg[a|
|00002070| 70 5d 20 3c 20 30 29 0a | 58 09 09 09 20 20 20 20 |p] < 0).|X...    |
|00002080| 61 72 67 5b 61 70 5d 20 | 3d 20 74 3b 0a 58 09 09 |arg[ap] |= t;.X..|
|00002090| 09 65 6c 73 65 0a 58 09 | 09 09 20 20 20 20 61 72 |.else.X.|..    ar|
|000020a0| 67 5b 61 70 5d 20 3d 20 | 6e 69 6c 3b 0a 58 09 09 |g[ap] = |nil;.X..|
|000020b0| 20 20 20 20 7d 0a 58 09 | 09 20 20 20 20 65 6c 73 |    }.X.|.    els|
|000020c0| 65 20 69 66 20 28 73 20 | 3d 3d 20 53 45 54 29 0a |e if (s |== SET).|
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|000020e0| 28 28 61 72 67 31 20 3d | 20 61 72 67 5b 61 70 5d |((arg1 =| arg[ap]|
|000020f0| 29 20 3e 20 30 29 0a 58 | 09 09 09 7b 0a 58 09 09 |) > 0).X|...{.X..|
|00002100| 09 20 20 20 20 70 72 69 | 6e 74 66 28 54 59 50 45 |.    pri|ntf(TYPE|
|00002110| 5f 45 52 52 4f 52 2c 20 | 22 73 65 74 22 2c 20 22 |_ERROR, |"set", "|
|00002120| 6d 75 73 74 20 62 65 20 | 61 74 6f 6d 69 63 22 29 |must be |atomic")|
|00002130| 3b 0a 58 09 09 09 20 20 | 20 20 61 72 67 5b 61 70 |;.X...  |  arg[ap|
|00002140| 20 3d 20 65 70 20 3d 20 | 31 5d 20 3d 20 6e 69 6c | = ep = |1] = nil|
|00002150| 3b 0a 58 09 09 09 7d 0a | 58 09 09 09 65 6c 73 65 |;.X...}.|X...else|
|00002160| 20 69 66 20 28 76 61 6c | 75 65 5b 61 72 67 31 5d | if (val|ue[arg1]|
|00002170| 20 3d 3d 20 63 6f 6e 73 | 74 61 6e 74 29 0a 58 09 | == cons|tant).X.|
|00002180| 09 09 7b 0a 58 09 09 09 | 20 20 20 20 70 72 69 6e |..{.X...|    prin|
|00002190| 74 66 28 54 59 50 45 5f | 45 52 52 4f 52 2c 20 22 |tf(TYPE_|ERROR, "|
|000021a0| 73 65 74 22 2c 20 6e 61 | 6d 65 5b 61 72 67 31 5d |set", na|me[arg1]|
|000021b0| 29 3b 0a 58 09 09 09 20 | 20 20 20 61 72 67 5b 61 |);.X... |   arg[a|
|000021c0| 70 20 3d 20 65 70 20 3d | 20 31 5d 20 3d 20 6e 69 |p = ep =| 1] = ni|
|000021d0| 6c 3b 0a 58 09 09 09 7d | 0a 58 09 09 09 65 6c 73 |l;.X...}|.X...els|
|000021e0| 65 20 69 66 20 28 69 6e | 64 65 78 28 76 61 6c 75 |e if (in|dex(valu|
|000021f0| 65 5b 61 72 67 31 5d 2c | 20 22 40 22 29 29 0a 58 |e[arg1],| "@")).X|
|00002200| 09 09 09 7b 0a 58 09 09 | 09 20 20 20 20 70 72 69 |...{.X..|.    pri|
|00002210| 6e 74 66 28 52 45 44 45 | 46 5f 45 52 52 4f 52 2c |ntf(REDE|F_ERROR,|
|00002220| 20 6e 61 6d 65 5b 61 72 | 67 31 5d 29 3b 0a 58 09 | name[ar|g1]);.X.|
|00002230| 09 09 20 20 20 20 61 72 | 67 5b 61 70 20 3d 20 65 |..    ar|g[ap = e|
|00002240| 70 20 3d 20 31 5d 20 3d | 20 6e 69 6c 3b 0a 58 09 |p = 1] =| nil;.X.|
|00002250| 09 09 7d 0a 58 09 09 09 | 65 6c 73 65 0a 58 09 09 |..}.X...|else.X..|
|00002260| 09 7b 0a 58 09 09 09 20 | 20 20 20 62 6f 75 6e 64 |.{.X... |   bound|
|00002270| 20 3d 20 66 61 6c 73 65 | 3b 0a 58 09 09 09 20 20 | = false|;.X...  |
|00002280| 20 20 66 6f 72 20 28 69 | 20 3d 20 65 6e 76 69 72 |  for (i| = envir|
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|000022b0| 7b 0a 58 09 09 09 09 69 | 66 20 28 73 79 6d 62 6f |{.X....i|f (symbo|
|000022c0| 6c 5b 69 5d 20 3d 3d 20 | 61 72 67 31 29 0a 58 09 |l[i] == |arg1).X.|
|000022d0| 09 09 09 7b 0a 58 09 09 | 09 09 20 20 20 20 62 6f |...{.X..|..    bo|
|000022e0| 75 6e 64 20 3d 20 74 72 | 75 65 3b 0a 58 09 09 09 |und = tr|ue;.X...|
|000022f0| 09 20 20 20 20 62 72 65 | 61 6b 3b 0a 58 09 09 09 |.    bre|ak;.X...|
|00002300| 09 7d 0a 58 09 09 09 20 | 20 20 20 7d 0a 58 09 09 |.}.X... |   }.X..|
|00002310| 09 20 20 20 20 61 72 67 | 32 20 3d 20 61 72 67 5b |.    arg|2 = arg[|
|00002320| 2d 2d 61 70 5d 3b 0a 58 | 0a 58 09 09 09 20 20 20 |--ap];.X|.X...   |
|00002330| 20 69 66 20 28 62 6f 75 | 6e 64 29 09 23 20 72 65 | if (bou|nd).# re|
|00002340| 70 6c 61 63 65 20 62 69 | 6e 64 69 6e 67 0a 58 09 |place bi|nding.X.|
|00002350| 09 09 09 61 72 67 5b 61 | 70 5d 20 3d 20 76 61 6c |...arg[a|p] = val|
|00002360| 75 65 5b 69 5d 20 3d 20 | 61 72 67 32 3b 0a 58 09 |ue[i] = |arg2;.X.|
|00002370| 09 09 20 20 20 20 65 6c | 73 65 09 23 20 73 65 74 |..    el|se.# set|
|00002380| 20 76 61 6c 75 65 0a 58 | 09 09 09 09 61 72 67 5b | value.X|....arg[|
|00002390| 61 70 5d 20 3d 20 76 61 | 6c 75 65 5b 61 72 67 31 |ap] = va|lue[arg1|
|000023a0| 5d 20 3d 20 61 72 67 32 | 3b 0a 58 09 09 09 7d 0a |] = arg2|;.X...}.|
|000023b0| 58 09 09 20 20 20 20 7d | 0a 58 09 09 20 20 20 20 |X..    }|.X..    |
|000023c0| 65 6c 73 65 20 69 66 20 | 28 73 20 3d 3d 20 45 56 |else if |(s == EV|
|000023d0| 41 4c 29 0a 58 09 09 20 | 20 20 20 7b 0a 58 09 09 |AL).X.. |   {.X..|
|000023e0| 09 65 76 61 6c 5b 65 70 | 2b 2b 5d 20 3d 20 61 72 |.eval[ep|++] = ar|
|000023f0| 67 5b 61 70 2d 2d 5d 3b | 0a 58 09 09 20 20 20 20 |g[ap--];|.X..    |
|00002400| 7d 0a 58 09 09 20 20 20 | 20 65 6c 73 65 20 69 66 |}.X..   | else if|
|00002410| 20 28 73 20 3d 3d 20 45 | 52 52 4f 52 29 0a 58 09 | (s == E|RROR).X.|
|00002420| 09 20 20 20 20 7b 0a 58 | 09 09 09 69 66 20 28 61 |.    {.X|...if (a|
|00002430| 72 67 5b 61 70 5d 20 3e | 20 30 29 0a 58 09 09 09 |rg[ap] >| 0).X...|
|00002440| 20 20 20 20 70 72 69 6e | 74 66 28 54 59 50 45 5f |    prin|tf(TYPE_|
|00002450| 45 52 52 4f 52 2c 20 22 | 65 72 72 6f 72 22 2c 20 |ERROR, "|error", |
|00002460| 22 6d 75 73 74 20 62 65 | 20 61 74 6f 6d 69 63 22 |"must be| atomic"|
|00002470| 29 3b 0a 58 09 09 09 65 | 6c 73 65 0a 58 09 09 09 |);.X...e|lse.X...|
|00002480| 20 20 20 20 70 72 69 6e | 74 66 28 22 25 73 5c 6e |    prin|tf("%s\n|
|00002490| 22 2c 20 6e 61 6d 65 5b | 61 72 67 5b 61 70 5d 5d |", name[|arg[ap]]|
|000024a0| 29 3b 0a 58 09 09 09 61 | 72 67 5b 61 70 20 3d 20 |);.X...a|rg[ap = |
|000024b0| 65 70 20 3d 20 31 5d 20 | 3d 20 6e 69 6c 3b 0a 58 |ep = 1] |= nil;.X|
|000024c0| 09 09 20 20 20 20 7d 0a | 58 09 09 20 20 20 20 2d |..    }.|X..    -|
|000024d0| 2d 65 70 3b 0a 58 09 09 | 7d 0a 58 09 09 65 6c 73 |-ep;.X..|}.X..els|
|000024e0| 65 20 69 66 20 28 63 61 | 72 5b 73 5d 20 3d 3d 20 |e if (ca|r[s] == |
|000024f0| 6c 61 6d 62 64 61 29 0a | 58 09 09 7b 0a 58 09 09 |lambda).|X..{.X..|
|00002500| 20 20 20 20 23 20 6c 61 | 6d 62 64 61 20 66 75 6e |    # la|mbda fun|
|00002510| 63 74 69 6f 6e 20 61 70 | 70 6c 69 63 61 74 69 6f |ction ap|plicatio|
|00002520| 6e 3a 0a 58 0a 58 09 09 | 20 20 20 20 66 6f 72 6d |n:.X.X..|    form|
|00002530| 61 6c 73 20 3d 20 63 61 | 72 5b 63 64 72 5b 73 5d |als = ca|r[cdr[s]|
|00002540| 5d 3b 0a 58 09 09 20 20 | 20 20 63 6f 6e 74 65 78 |];.X..  |  contex|
|00002550| 74 5b 2b 2b 66 70 5d 20 | 3d 20 65 6e 76 69 72 6f |t[++fp] |= enviro|
|00002560| 6e 6d 65 6e 74 3b 20 20 | 20 20 23 20 73 61 76 65 |nment;  |  # save|
|00002570| 20 65 6e 76 69 72 6f 6e | 6d 65 6e 74 0a 58 09 09 | environ|ment.X..|
|00002580| 20 20 20 20 77 68 69 6c | 65 20 28 66 6f 72 6d 61 |    whil|e (forma|
|00002590| 6c 73 20 21 3d 20 6e 69 | 6c 29 0a 58 09 09 20 20 |ls != ni|l).X..  |
|000025a0| 20 20 7b 0a 58 09 09 09 | 23 20 62 69 6e 64 20 6c |  {.X...|# bind l|
|000025b0| 61 6d 62 64 61 20 76 61 | 72 69 61 62 6c 65 73 0a |ambda va|riables.|
|000025c0| 58 09 09 09 73 79 6d 62 | 6f 6c 5b 2d 2d 65 6e 76 |X...symb|ol[--env|
|000025d0| 69 72 6f 6e 6d 65 6e 74 | 5d 20 3d 20 63 61 72 5b |ironment|] = car[|
|000025e0| 66 6f 72 6d 61 6c 73 5d | 3b 0a 58 09 09 09 76 61 |formals]|;.X...va|
|000025f0| 6c 75 65 5b 65 6e 76 69 | 72 6f 6e 6d 65 6e 74 5d |lue[envi|ronment]|
|00002600| 20 3d 20 61 72 67 5b 61 | 70 2d 2d 5d 3b 0a 58 09 | = arg[a|p--];.X.|
|00002610| 09 09 66 6f 72 6d 61 6c | 73 20 3d 20 63 64 72 5b |..formal|s = cdr[|
|00002620| 66 6f 72 6d 61 6c 73 5d | 3b 0a 58 09 09 20 20 20 |formals]|;.X..   |
|00002630| 20 7d 0a 58 09 09 20 20 | 20 20 65 76 61 6c 5b 65 | }.X..  |  eval[e|
|00002640| 70 5d 20 3d 20 6c 61 6d | 62 64 61 3b 09 09 20 20 |p] = lam|bda;..  |
|00002650| 20 20 23 20 63 6c 6f 73 | 75 72 65 0a 58 09 09 20 |  # clos|ure.X.. |
|00002660| 20 20 20 65 76 61 6c 5b | 2b 2b 65 70 5d 20 3d 20 |   eval[|++ep] = |
|00002670| 63 61 72 5b 63 64 72 5b | 63 64 72 5b 73 5d 5d 5d |car[cdr[|cdr[s]]]|
|00002680| 3b 20 20 23 20 70 75 73 | 68 20 62 6f 64 79 20 6f |;  # pus|h body o|
|00002690| 66 20 65 78 70 72 2e 0a | 58 09 09 7d 0a 58 09 09 |f expr..|X..}.X..|
|000026a0| 65 6c 73 65 20 69 66 20 | 28 63 61 72 5b 73 5d 20 |else if |(car[s] |
|000026b0| 3c 20 30 29 0a 58 09 09 | 7b 0a 58 09 09 20 20 20 |< 0).X..|{.X..   |
|000026c0| 20 23 20 73 20 69 73 20 | 61 20 66 6f 72 6d 20 28 | # s is |a form (|
|000026d0| 66 20 61 72 67 73 29 0a | 58 0a 58 09 09 20 20 20 |f args).|X.X..   |
|000026e0| 20 65 76 6c 69 73 5b 63 | 64 72 5b 73 5d 5d 20 3d | evlis[c|dr[s]] =|
|000026f0| 20 74 72 75 65 3b 20 20 | 20 23 20 64 6f 6e 27 74 | true;  | # don't|
|00002700| 20 74 72 65 61 74 20 63 | 64 72 20 61 73 20 61 20 | treat c|dr as a |
|00002710| 66 6f 72 6d 0a 58 0a 58 | 09 09 20 20 20 20 23 20 |form.X.X|..    # |
|00002720| 73 70 65 63 69 61 6c 20 | 66 6f 72 6d 73 3a 0a 58 |special |forms:.X|
|00002730| 0a 58 09 09 20 20 20 20 | 66 20 3d 20 76 61 6c 75 |.X..    |f = valu|
|00002740| 65 5b 63 61 72 5b 73 5d | 5d 3b 0a 58 0a 58 09 09 |e[car[s]|];.X.X..|
|00002750| 20 20 20 20 69 66 20 28 | 69 6e 64 65 78 28 66 2c |    if (|index(f,|
|00002760| 20 22 40 22 29 29 0a 58 | 09 09 20 20 20 20 7b 0a | "@")).X|..    {.|
|00002770| 58 09 09 09 69 66 20 28 | 66 20 3d 3d 20 51 55 4f |X...if (|f == QUO|
|00002780| 54 45 29 0a 58 09 09 09 | 7b 0a 58 09 09 09 20 20 |TE).X...|{.X...  |
|00002790| 20 20 61 72 67 5b 2b 2b | 61 70 5d 20 3d 20 63 61 |  arg[++|ap] = ca|
|000027a0| 72 5b 63 64 72 5b 73 5d | 5d 3b 0a 58 09 09 09 20 |r[cdr[s]|];.X... |
|000027b0| 20 20 20 2d 2d 65 70 3b | 0a 58 09 09 09 7d 0a 58 |   --ep;|.X...}.X|
|000027c0| 09 09 09 65 6c 73 65 20 | 69 66 20 28 66 20 3d 3d |...else |if (f ==|
|000027d0| 20 43 4f 4e 44 29 0a 58 | 09 09 09 7b 0a 58 09 09 | COND).X|...{.X..|
|000027e0| 09 20 20 20 20 69 66 20 | 28 63 64 72 5b 73 5d 20 |.    if |(cdr[s] |
|000027f0| 3d 3d 20 6e 69 6c 29 0a | 58 09 09 09 20 20 20 20 |== nil).|X...    |
|00002800| 7b 0a 58 09 09 09 09 61 | 72 67 5b 2b 2b 61 70 5d |{.X....a|rg[++ap]|
|00002810| 20 3d 20 6e 69 6c 3b 0a | 58 09 09 09 09 2d 2d 65 | = nil;.|X....--e|
|00002820| 70 3b 0a 58 09 09 09 20 | 20 20 20 7d 0a 58 09 09 |p;.X... |   }.X..|
|00002830| 09 20 20 20 20 65 6c 73 | 65 0a 58 09 09 09 20 20 |.    els|e.X...  |
|00002840| 20 20 7b 0a 58 09 09 09 | 09 23 20 73 61 76 65 20 |  {.X...|.# save |
|00002850| 63 6c 61 75 73 65 73 2c | 20 70 75 73 68 20 66 69 |clauses,| push fi|
|00002860| 72 73 74 20 61 6e 74 65 | 63 65 64 65 6e 74 0a 58 |rst ante|cedent.X|
|00002870| 09 09 09 09 63 6c 61 75 | 73 65 73 5b 2b 2b 63 70 |....clau|ses[++cp|
|00002880| 5d 20 3d 20 63 64 72 5b | 73 5d 3b 0a 58 09 09 09 |] = cdr[|s];.X...|
|00002890| 09 65 76 61 6c 5b 65 70 | 5d 20 3d 20 66 3b 0a 58 |.eval[ep|] = f;.X|
|000028a0| 09 09 09 09 65 76 61 6c | 5b 2b 2b 65 70 5d 20 3d |....eval|[++ep] =|
|000028b0| 20 63 61 72 5b 63 61 72 | 5b 63 6c 61 75 73 65 73 | car[car|[clauses|
|000028c0| 5b 63 70 5d 5d 5d 3b 0a | 58 09 09 09 20 20 20 20 |[cp]]];.|X...    |
|000028d0| 7d 0a 58 09 09 09 7d 0a | 58 09 09 09 65 6c 73 65 |}.X...}.|X...else|
|000028e0| 20 69 66 20 28 66 20 3d | 3d 20 41 4e 44 29 0a 58 | if (f =|= AND).X|
|000028f0| 09 09 09 7b 0a 58 09 09 | 09 20 20 20 20 69 66 20 |...{.X..|.    if |
|00002900| 28 63 64 72 5b 73 5d 20 | 3d 3d 20 6e 69 6c 29 0a |(cdr[s] |== nil).|
|00002910| 58 09 09 09 20 20 20 20 | 7b 0a 58 09 09 09 09 61 |X...    |{.X....a|
|00002920| 72 67 5b 2b 2b 61 70 5d | 20 3d 20 74 3b 0a 58 09 |rg[++ap]| = t;.X.|
|00002930| 09 09 09 2d 2d 65 70 3b | 0a 58 09 09 09 20 20 20 |...--ep;|.X...   |
|00002940| 20 7d 0a 58 09 09 09 20 | 20 20 20 65 6c 73 65 0a | }.X... |   else.|
|00002950| 58 09 09 09 20 20 20 20 | 7b 0a 58 09 09 09 09 23 |X...    |{.X....#|
|00002960| 20 73 61 76 65 20 70 72 | 65 64 69 63 61 74 65 73 | save pr|edicates|
|00002970| 2c 20 70 75 73 68 20 66 | 69 72 73 74 0a 58 09 09 |, push f|irst.X..|
|00002980| 09 09 70 72 65 64 73 5b | 2b 2b 64 70 5d 20 3d 20 |..preds[|++dp] = |
|00002990| 63 64 72 5b 73 5d 3b 0a | 58 09 09 09 09 65 76 61 |cdr[s];.|X....eva|
|000029a0| 6c 5b 65 70 5d 20 3d 20 | 66 3b 0a 58 09 09 09 09 |l[ep] = |f;.X....|
|000029b0| 65 76 61 6c 5b 2b 2b 65 | 70 5d 20 3d 20 63 61 72 |eval[++e|p] = car|
|000029c0| 5b 70 72 65 64 73 5b 64 | 70 5d 5d 3b 0a 58 09 09 |[preds[d|p]];.X..|
|000029d0| 09 20 20 20 20 7d 0a 58 | 09 09 09 7d 0a 58 09 09 |.    }.X|...}.X..|
|000029e0| 09 65 6c 73 65 20 69 66 | 20 28 66 20 3d 3d 20 4f |.else if| (f == O|
|000029f0| 52 29 0a 58 09 09 09 7b | 0a 58 09 09 09 20 20 20 |R).X...{|.X...   |
|00002a00| 20 69 66 20 28 63 64 72 | 5b 73 5d 20 3d 3d 20 6e | if (cdr|[s] == n|
|00002a10| 69 6c 29 0a 58 09 09 09 | 20 20 20 20 7b 0a 58 09 |il).X...|    {.X.|
|00002a20| 09 09 09 61 72 67 5b 2b | 2b 61 70 5d 20 3d 20 6e |...arg[+|+ap] = n|
|00002a30| 69 6c 3b 0a 58 09 09 09 | 09 2d 2d 65 70 3b 0a 58 |il;.X...|.--ep;.X|
|00002a40| 09 09 09 20 20 20 20 7d | 0a 58 09 09 09 20 20 20 |...    }|.X...   |
|00002a50| 20 65 6c 73 65 0a 58 09 | 09 09 20 20 20 20 7b 0a | else.X.|..    {.|
|00002a60| 58 09 09 09 09 70 72 65 | 64 73 5b 2b 2b 64 70 5d |X....pre|ds[++dp]|
|00002a70| 20 3d 20 63 64 72 5b 73 | 5d 3b 0a 58 09 09 09 09 | = cdr[s|];.X....|
|00002a80| 65 76 61 6c 5b 65 70 5d | 20 3d 20 66 3b 0a 58 09 |eval[ep]| = f;.X.|
|00002a90| 09 09 09 65 76 61 6c 5b | 2b 2b 65 70 5d 20 3d 20 |...eval[|++ep] = |
|00002aa0| 63 61 72 5b 70 72 65 64 | 73 5b 64 70 5d 5d 3b 0a |car[pred|s[dp]];.|
|00002ab0| 58 09 09 09 20 20 20 20 | 7d 0a 58 09 09 09 7d 0a |X...    |}.X...}.|
|00002ac0| 58 09 09 09 65 6c 73 65 | 20 69 66 20 28 66 20 3d |X...else| if (f =|
|00002ad0| 3d 20 4c 49 53 54 29 0a | 58 09 09 09 7b 0a 58 09 |= LIST).|X...{.X.|
|00002ae0| 09 09 20 20 20 20 23 20 | 74 72 61 6e 73 6c 61 74 |..    # |translat|
|00002af0| 65 20 74 6f 20 28 63 6f | 6e 73 20 65 31 20 65 32 |e to (co|ns e1 e2|
|00002b00| 20 2e 2e 20 65 4e 29 0a | 58 09 09 09 20 20 20 20 | .. eN).|X...    |
|00002b10| 66 6f 72 20 28 65 20 3d | 20 63 64 72 5b 73 5d 3b |for (e =| cdr[s];|
|00002b20| 20 65 20 21 3d 20 6e 69 | 6c 3b 20 65 20 3d 20 63 | e != ni|l; e = c|
|00002b30| 64 72 5b 65 5d 29 0a 58 | 09 09 09 20 20 20 20 7b |dr[e]).X|...    {|
|00002b40| 0a 58 09 09 09 09 65 76 | 61 6c 5b 65 70 2b 2b 5d |.X....ev|al[ep++]|
|00002b50| 20 3d 20 43 4f 4e 53 3b | 0a 58 09 09 09 09 65 76 | = CONS;|.X....ev|
|00002b60| 61 6c 5b 65 70 2b 2b 5d | 20 3d 20 63 61 72 5b 65 |al[ep++]| = car[e|
|00002b70| 5d 3b 0a 58 09 09 09 20 | 20 20 20 7d 0a 58 09 09 |];.X... |   }.X..|
|00002b80| 09 20 20 20 20 65 76 61 | 6c 5b 65 70 5d 20 3d 20 |.    eva|l[ep] = |
|00002b90| 6e 69 6c 3b 0a 58 09 09 | 09 7d 0a 58 09 09 09 65 |nil;.X..|.}.X...e|
|00002ba0| 6c 73 65 0a 58 09 09 09 | 7b 0a 58 09 09 09 20 20 |lse.X...|{.X...  |
|00002bb0| 20 20 23 20 66 20 74 61 | 6b 65 73 20 65 76 61 6c |  # f ta|kes eval|
|00002bc0| 75 61 74 65 64 20 61 72 | 67 75 6d 65 6e 74 73 2d |uated ar|guments-|
|00002bd0| 20 70 75 73 68 20 28 66 | 20 61 72 67 73 29 0a 58 | push (f| args).X|
|00002be0| 09 09 09 20 20 20 20 65 | 76 61 6c 5b 65 70 5d 20 |...    e|val[ep] |
|00002bf0| 3d 20 66 3b 0a 58 09 09 | 09 20 20 20 20 65 76 61 |= f;.X..|.    eva|
|00002c00| 6c 5b 2b 2b 65 70 5d 20 | 3d 20 63 64 72 5b 73 5d |l[++ep] |= cdr[s]|
|00002c10| 3b 0a 58 09 09 09 7d 0a | 58 09 09 20 20 20 20 7d |;.X...}.|X..    }|
|00002c20| 0a 58 09 09 20 20 20 20 | 65 6c 73 65 20 69 66 20 |.X..    |else if |
|00002c30| 28 63 61 72 5b 66 5d 20 | 3d 3d 20 6c 61 6d 62 64 |(car[f] |== lambd|
|00002c40| 61 29 0a 58 09 09 20 20 | 20 20 7b 0a 58 09 09 09 |a).X..  |  {.X...|
|00002c50| 23 20 70 75 73 68 20 6c | 61 6d 62 64 61 20 66 75 |# push l|ambda fu|
|00002c60| 6e 63 74 69 6f 6e 2c 20 | 61 72 67 6c 69 73 74 0a |nction, |arglist.|
|00002c70| 58 09 09 09 65 76 61 6c | 5b 65 70 5d 20 3d 20 66 |X...eval|[ep] = f|
|00002c80| 3b 0a 58 09 09 09 69 66 | 20 28 63 64 72 5b 73 5d |;.X...if| (cdr[s]|
|00002c90| 20 21 3d 20 6e 69 6c 29 | 0a 58 09 09 09 20 20 20 | != nil)|.X...   |
|00002ca0| 20 65 76 61 6c 5b 2b 2b | 65 70 5d 20 3d 20 63 64 | eval[++|ep] = cd|
|00002cb0| 72 5b 73 5d 3b 0a 58 09 | 09 20 20 20 20 7d 0a 58 |r[s];.X.|.    }.X|
|00002cc0| 09 09 20 20 20 20 65 6c | 73 65 20 69 66 20 28 65 |..    el|se if (e|
|00002cd0| 76 6c 69 73 5b 73 5d 29 | 0a 58 09 09 20 20 20 20 |vlis[s])|.X..    |
|00002ce0| 7b 0a 58 09 09 09 65 76 | 61 6c 5b 65 70 5d 20 3d |{.X...ev|al[ep] =|
|00002cf0| 20 63 61 72 5b 73 5d 3b | 0a 58 09 09 09 69 66 20 | car[s];|.X...if |
|00002d00| 28 63 64 72 5b 73 5d 20 | 21 3d 20 6e 69 6c 29 0a |(cdr[s] |!= nil).|
|00002d10| 58 09 09 09 7b 0a 58 09 | 09 09 20 20 20 20 65 76 |X...{.X.|..    ev|
|00002d20| 61 6c 5b 2b 2b 65 70 5d | 20 3d 20 63 64 72 5b 73 |al[++ep]| = cdr[s|
|00002d30| 5d 3b 0a 58 09 09 09 20 | 20 20 20 65 76 6c 69 73 |];.X... |   evlis|
|00002d40| 5b 63 64 72 5b 73 5d 5d | 20 3d 20 74 72 75 65 3b |[cdr[s]]| = true;|
|00002d50| 0a 58 09 09 09 7d 0a 58 | 09 09 20 20 20 20 7d 0a |.X...}.X|..    }.|
|00002d60| 58 09 09 20 20 20 20 65 | 6c 73 65 0a 58 09 09 20 |X..    e|lse.X.. |
|00002d70| 20 20 20 7b 0a 58 09 09 | 09 23 20 66 20 69 73 20 |   {.X..|.# f is |
|00002d80| 6e 6f 74 20 61 20 66 75 | 6e 63 74 69 6f 6e 0a 58 |not a fu|nction.X|
|00002d90| 09 09 09 70 72 69 6e 74 | 66 28 55 4e 44 45 46 5f |...print|f(UNDEF_|
|00002da0| 45 52 52 4f 52 2c 20 6e | 61 6d 65 5b 63 61 72 5b |ERROR, n|ame[car[|
|00002db0| 73 5d 5d 29 3b 0a 58 09 | 09 09 61 72 67 5b 61 70 |s]]);.X.|..arg[ap|
|00002dc0| 20 3d 20 31 5d 20 3d 20 | 6e 69 6c 3b 0a 58 09 09 | = 1] = |nil;.X..|
|00002dd0| 09 65 70 20 3d 20 30 3b | 0a 58 09 09 20 20 20 20 |.ep = 0;|.X..    |
|00002de0| 7d 0a 58 09 09 7d 0a 58 | 09 09 65 6c 73 65 0a 58 |}.X..}.X|..else.X|
|00002df0| 09 09 7b 0a 58 09 09 20 | 20 20 20 23 20 65 76 61 |..{.X.. |   # eva|
|00002e00| 6c 75 61 74 65 20 63 61 | 72 5b 73 5d 2c 20 63 64 |luate ca|r[s], cd|
|00002e10| 72 5b 73 5d 0a 58 0a 58 | 09 09 20 20 20 20 65 76 |r[s].X.X|..    ev|
|00002e20| 61 6c 5b 65 70 5d 20 3d | 20 63 61 72 5b 73 5d 3b |al[ep] =| car[s];|
|00002e30| 0a 58 09 09 20 20 20 20 | 69 66 20 28 63 64 72 5b |.X..    |if (cdr[|
|00002e40| 73 5d 20 21 3d 20 6e 69 | 6c 29 0a 58 09 09 20 20 |s] != ni|l).X..  |
|00002e50| 20 20 7b 0a 58 09 09 09 | 65 76 61 6c 5b 2b 2b 65 |  {.X...|eval[++e|
|00002e60| 70 5d 20 3d 20 63 64 72 | 5b 73 5d 3b 0a 58 09 09 |p] = cdr|[s];.X..|
|00002e70| 09 69 66 20 28 65 76 6c | 69 73 5b 73 5d 29 0a 58 |.if (evl|is[s]).X|
|00002e80| 09 09 09 20 20 20 20 65 | 76 6c 69 73 5b 63 64 72 |...    e|vlis[cdr|
|00002e90| 5b 73 5d 5d 20 3d 20 74 | 72 75 65 3b 0a 58 09 09 |[s]] = t|rue;.X..|
|00002ea0| 20 20 20 20 7d 0a 58 09 | 09 7d 0a 58 0a 58 09 09 |    }.X.|.}.X.X..|
|00002eb0| 23 20 67 65 74 20 6e 65 | 78 74 20 75 6e 65 76 61 |# get ne|xt uneva|
|00002ec0| 6c 75 61 74 65 64 20 61 | 72 67 75 6d 65 6e 74 20 |luated a|rgument |
|00002ed0| 28 63 6f 6e 64 2c 20 61 | 6e 64 2c 20 6f 72 29 3a |(cond, a|nd, or):|
|00002ee0| 0a 58 0a 58 09 09 77 68 | 69 6c 65 20 28 74 72 75 |.X.X..wh|ile (tru|
|00002ef0| 65 29 0a 58 09 09 7b 0a | 58 09 09 20 20 20 20 73 |e).X..{.|X..    s|
|00002f00| 20 3d 20 65 76 61 6c 5b | 65 70 5d 3b 0a 58 0a 58 | = eval[|ep];.X.X|
|00002f10| 09 09 20 20 20 20 69 66 | 20 28 73 20 3d 3d 20 43 |..    if| (s == C|
|00002f20| 4f 4e 44 29 0a 58 09 09 | 20 20 20 20 7b 0a 58 09 |OND).X..|    {.X.|
|00002f30| 09 09 69 66 20 28 61 72 | 67 5b 61 70 5d 20 3d 3d |..if (ar|g[ap] ==|
|00002f40| 20 6e 69 6c 29 0a 58 09 | 09 09 7b 0a 58 09 09 09 | nil).X.|..{.X...|
|00002f50| 20 20 20 20 23 20 6c 61 | 73 74 20 61 6e 74 65 63 |    # la|st antec|
|00002f60| 65 64 65 6e 74 20 77 61 | 73 20 6e 69 6c 0a 58 09 |edent wa|s nil.X.|
|00002f70| 09 09 20 20 20 20 23 20 | 70 75 73 68 20 61 6e 74 |..    # |push ant|
|00002f80| 65 63 65 64 65 6e 74 20 | 6f 66 20 6e 65 78 74 20 |ecedent |of next |
|00002f90| 63 6c 61 75 73 65 0a 58 | 09 09 09 20 20 20 20 69 |clause.X|...    i|
|00002fa0| 66 20 28 28 63 6c 61 75 | 73 65 73 5b 63 70 5d 20 |f ((clau|ses[cp] |
|00002fb0| 3d 20 63 64 72 5b 63 6c | 61 75 73 65 73 5b 63 70 |= cdr[cl|auses[cp|
|00002fc0| 5d 5d 29 20 21 3d 20 6e | 69 6c 29 0a 58 09 09 09 |]]) != n|il).X...|
|00002fd0| 20 20 20 20 7b 0a 58 09 | 09 09 09 65 76 61 6c 5b |    {.X.|...eval[|
|00002fe0| 2b 2b 65 70 5d 20 3d 20 | 63 61 72 5b 63 61 72 5b |++ep] = |car[car[|
|00002ff0| 63 6c 61 75 73 65 73 5b | 63 70 5d 5d 5d 3b 0a 58 |clauses[|cp]]];.X|
|00003000| 09 09 09 09 2d 2d 61 70 | 3b 0a 58 09 09 09 20 20 |....--ap|;.X...  |
|00003010| 20 20 7d 0a 58 09 09 09 | 20 20 20 20 65 6c 73 65 |  }.X...|    else|
|00003020| 0a 58 09 09 09 20 20 20 | 20 7b 0a 58 09 09 09 09 |.X...   | {.X....|
|00003030| 23 20 6e 6f 20 6d 6f 72 | 65 20 63 6c 61 75 73 65 |# no mor|e clause|
|00003040| 73 2c 20 72 65 74 75 72 | 6e 20 6e 69 6c 0a 58 09 |s, retur|n nil.X.|
|00003050| 09 09 09 2d 2d 65 70 3b | 0a 58 09 09 09 09 2d 2d |...--ep;|.X....--|
|00003060| 63 70 3b 0a 58 09 09 09 | 20 20 20 20 7d 0a 58 09 |cp;.X...|    }.X.|
|00003070| 09 09 7d 0a 58 09 09 09 | 65 6c 73 65 0a 58 09 09 |..}.X...|else.X..|
|00003080| 09 7b 0a 58 09 09 09 20 | 20 20 20 23 20 6c 61 73 |.{.X... |   # las|
|00003090| 74 20 61 6e 74 65 63 65 | 64 65 6e 74 20 77 61 73 |t antece|dent was|
|000030a0| 20 6e 6f 6e 2d 6e 69 6c | 0a 58 09 09 09 20 20 20 | non-nil|.X...   |
|000030b0| 20 23 20 70 75 73 68 20 | 63 6f 6e 73 65 71 75 65 | # push |conseque|
|000030c0| 6e 74 0a 58 09 09 09 20 | 20 20 20 69 66 20 28 63 |nt.X... |   if (c|
|000030d0| 64 72 5b 63 61 72 5b 63 | 6c 61 75 73 65 73 5b 63 |dr[car[c|lauses[c|
|000030e0| 70 5d 5d 5d 20 21 3d 20 | 6e 69 6c 29 0a 58 09 09 |p]]] != |nil).X..|
|000030f0| 09 20 20 20 20 7b 0a 58 | 09 09 09 09 65 76 61 6c |.    {.X|....eval|
|00003100| 5b 65 70 5d 20 3d 20 63 | 61 72 5b 63 64 72 5b 63 |[ep] = c|ar[cdr[c|
|00003110| 61 72 5b 63 6c 61 75 73 | 65 73 5b 63 70 5d 5d 5d |ar[claus|es[cp]]]|
|00003120| 5d 3b 0a 58 09 09 09 09 | 2d 2d 61 70 3b 0a 58 09 |];.X....|--ap;.X.|
|00003130| 09 09 09 2d 2d 63 70 3b | 0a 58 09 09 09 20 20 20 |...--cp;|.X...   |
|00003140| 20 7d 0a 58 09 09 09 20 | 20 20 20 65 6c 73 65 0a | }.X... |   else.|
|00003150| 58 09 09 09 20 20 20 20 | 7b 0a 58 09 09 09 09 23 |X...    |{.X....#|
|00003160| 20 6e 6f 20 63 6f 6e 73 | 65 71 75 65 6e 74 2c 20 | no cons|equent, |
|00003170| 72 65 74 75 72 6e 20 61 | 6e 74 65 63 65 64 65 6e |return a|nteceden|
|00003180| 74 0a 58 09 09 09 09 2d | 2d 65 70 3b 0a 58 09 09 |t.X....-|-ep;.X..|
|00003190| 09 09 2d 2d 63 70 3b 0a | 58 09 09 09 20 20 20 20 |..--cp;.|X...    |
|000031a0| 7d 0a 58 09 09 09 7d 0a | 58 09 09 20 20 20 20 7d |}.X...}.|X..    }|
|000031b0| 0a 58 09 09 20 20 20 20 | 65 6c 73 65 20 69 66 20 |.X..    |else if |
|000031c0| 28 73 20 3d 3d 20 41 4e | 44 29 0a 58 09 09 20 20 |(s == AN|D).X..  |
|000031d0| 20 20 7b 0a 58 09 09 09 | 69 66 20 28 61 72 67 5b |  {.X...|if (arg[|
|000031e0| 61 70 5d 20 21 3d 20 6e | 69 6c 29 0a 58 09 09 09 |ap] != n|il).X...|
|000031f0| 7b 0a 58 09 09 09 20 20 | 20 20 23 20 6c 61 73 74 |{.X...  |  # last|
|00003200| 20 70 72 65 64 69 63 61 | 74 65 20 6e 6f 6e 2d 6e | predica|te non-n|
|00003210| 69 6c 0a 58 09 09 09 20 | 20 20 20 23 20 70 75 73 |il.X... |   # pus|
|00003220| 68 20 6e 65 78 74 20 70 | 72 65 64 69 63 61 74 65 |h next p|redicate|
|00003230| 20 69 66 20 74 68 65 72 | 65 20 69 73 20 6f 6e 65 | if ther|e is one|
|00003240| 0a 58 09 09 09 20 20 20 | 20 69 66 20 28 28 70 72 |.X...   | if ((pr|
|00003250| 65 64 73 5b 64 70 5d 20 | 3d 20 63 64 72 5b 70 72 |eds[dp] |= cdr[pr|
|00003260| 65 64 73 5b 64 70 5d 5d | 29 20 21 3d 20 6e 69 6c |eds[dp]]|) != nil|
|00003270| 29 0a 58 09 09 09 20 20 | 20 20 7b 0a 58 09 09 09 |).X...  |  {.X...|
|00003280| 09 65 76 61 6c 5b 2b 2b | 65 70 5d 20 3d 20 63 61 |.eval[++|ep] = ca|
|00003290| 72 5b 70 72 65 64 73 5b | 64 70 5d 5d 3b 0a 58 09 |r[preds[|dp]];.X.|
|000032a0| 09 09 09 2d 2d 61 70 3b | 0a 58 09 09 09 20 20 20 |...--ap;|.X...   |
|000032b0| 20 7d 0a 58 09 09 09 20 | 20 20 20 65 6c 73 65 0a | }.X... |   else.|
|000032c0| 58 09 09 09 20 20 20 20 | 7b 0a 58 09 09 09 09 23 |X...    |{.X....#|
|000032d0| 20 72 65 74 75 72 6e 20 | 76 61 6c 75 65 20 6f 66 | return |value of|
|000032e0| 20 6c 61 73 74 20 70 72 | 65 64 69 63 61 74 65 0a | last pr|edicate.|
|000032f0| 58 09 09 09 09 2d 2d 65 | 70 3b 0a 58 09 09 09 09 |X....--e|p;.X....|
|00003300| 2d 2d 64 70 3b 0a 58 09 | 09 09 20 20 20 20 7d 0a |--dp;.X.|..    }.|
|00003310| 58 09 09 09 7d 0a 58 09 | 09 09 65 6c 73 65 0a 58 |X...}.X.|..else.X|
|00003320| 09 09 09 7b 0a 58 09 09 | 09 20 20 20 20 23 20 72 |...{.X..|.    # r|
|00003330| 65 74 75 72 6e 20 6e 69 | 6c 0a 58 09 09 09 20 20 |eturn ni|l.X...  |
|00003340| 20 20 2d 2d 65 70 3b 0a | 58 09 09 09 20 20 20 20 |  --ep;.|X...    |
|00003350| 2d 2d 64 70 3b 0a 58 09 | 09 09 7d 0a 58 09 09 20 |--dp;.X.|..}.X.. |
|00003360| 20 20 20 7d 0a 58 09 09 | 20 20 20 20 65 6c 73 65 |   }.X..|    else|
|00003370| 20 69 66 20 28 73 20 3d | 3d 20 4f 52 29 0a 58 09 | if (s =|= OR).X.|
|00003380| 09 20 20 20 20 7b 0a 58 | 09 09 09 69 66 20 28 61 |.    {.X|...if (a|
|00003390| 72 67 5b 61 70 5d 20 3d | 3d 20 6e 69 6c 29 0a 58 |rg[ap] =|= nil).X|
|000033a0| 09 09 09 7b 0a 58 09 09 | 09 20 20 20 20 23 20 6c |...{.X..|.    # l|
|000033b0| 61 73 74 20 70 72 65 64 | 69 63 61 74 65 20 77 61 |ast pred|icate wa|
|000033c0| 73 20 6e 69 6c 0a 58 09 | 09 09 20 20 20 20 23 20 |s nil.X.|..    # |
|000033d0| 70 75 73 68 20 6e 65 78 | 74 20 70 72 65 64 69 63 |push nex|t predic|
|000033e0| 61 74 65 20 69 66 20 74 | 68 65 72 65 20 69 73 20 |ate if t|here is |
|000033f0| 6f 6e 65 0a 58 09 09 09 | 20 20 20 20 69 66 20 28 |one.X...|    if (|
|00003400| 28 70 72 65 64 73 5b 64 | 70 5d 20 3d 20 63 64 72 |(preds[d|p] = cdr|
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|00003710| 6e 69 6c 29 0a 58 09 09 | 20 20 20 20 7b 0a 58 09 |nil).X..|    {.X.|
|00003720| 09 09 70 72 69 6e 74 66 | 28 22 29 22 29 3b 0a 58 |..printf|(")");.X|
|00003730| 09 09 09 2d 2d 70 70 3b | 0a 58 09 09 20 20 20 20 |...--pp;|.X..    |
|00003740| 7d 0a 58 09 09 20 20 20 | 20 65 6c 73 65 0a 58 09 |}.X..   | else.X.|
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|000038a0| 0a 58 09 7d 0a 58 20 20 | 20 20 7d 0a 58 0a 58 20 |.X.}.X  |  }.X.X |
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|00003940| 0a 58 45 4e 44 20 7b 0a | 58 0a 58 20 20 20 20 69 |.XEND {.|X.X    i|
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|00004120| 58 09 28 63 6f 6e 64 20 | 28 28 6c 69 73 74 70 20 |X.(cond |((listp |
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|00004150| 29 29 0a 58 09 20 20 20 | 20 28 74 20 27 28 29 29 |)).X.   | (t '())|
|00004160| 29 29 29 0a 58 28 73 65 | 74 20 27 61 70 70 65 6e |))).X(se|t 'appen|
|00004170| 64 2d 33 0a 58 20 20 20 | 20 27 28 6c 61 6d 62 64 |d-3.X   | '(lambd|
|00004180| 61 20 28 6c 31 20 6c 32 | 20 6c 33 29 0a 58 09 28 |a (l1 l2| l3).X.(|
|00004190| 61 70 70 65 6e 64 20 6c | 31 20 28 61 70 70 65 6e |append l|1 (appen|
|000041a0| 64 20 6c 32 20 6c 33 29 | 29 29 29 0a 58 28 73 65 |d l2 l3)|))).X(se|
|000041b0| 74 20 27 6c 69 73 74 70 | 0a 58 20 20 20 20 27 28 |t 'listp|.X    '(|
|000041c0| 6c 61 6d 62 64 61 20 28 | 78 29 0a 58 09 28 63 6f |lambda (|x).X.(co|
|000041d0| 6e 64 20 28 28 63 6f 6e | 73 70 20 78 29 20 74 29 |nd ((con|sp x) t)|
|000041e0| 20 28 28 6e 75 6c 6c 20 | 78 29 20 74 29 20 28 74 | ((null |x) t) (t|
|000041f0| 20 6e 69 6c 29 29 29 29 | 0a 58 0a 58 3b 20 6e 6f | nil))))|.X.X; no|
|00004200| 74 20 62 75 69 6c 74 20 | 69 6e 20 74 6f 20 77 61 |t built |in to wa|
|00004210| 6c 6b 0a 58 28 73 65 74 | 20 27 63 6f 6e 73 70 20 |lk.X(set| 'consp |
|00004220| 27 28 6c 61 6d 62 64 61 | 20 28 65 29 20 28 6e 6f |'(lambda| (e) (no|
|00004230| 74 20 28 61 74 6f 6d 20 | 65 29 29 29 29 0a 58 28 |t (atom |e)))).X(|
|00004240| 73 65 74 20 27 65 71 6e | 20 27 28 6c 61 6d 62 64 |set 'eqn| '(lambd|
|00004250| 61 20 28 78 20 79 29 20 | 28 65 71 20 78 20 79 29 |a (x y) |(eq x y)|
|00004260| 29 29 0a 53 48 41 52 5f | 45 4f 46 0a 69 66 20 74 |)).SHAR_|EOF.if t|
|00004270| 65 73 74 20 31 38 38 30 | 20 2d 6e 65 20 22 60 77 |est 1880| -ne "`w|
|00004280| 63 20 2d 63 20 3c 20 27 | 63 6f 6d 70 69 6c 65 2e |c -c < '|compile.|
|00004290| 77 27 60 22 0a 74 68 65 | 6e 0a 09 65 63 68 6f 20 |w'`".the|n..echo |
|000042a0| 73 68 61 72 3a 20 22 65 | 72 72 6f 72 20 74 72 61 |shar: "e|rror tra|
|000042b0| 6e 73 6d 69 74 74 69 6e | 67 20 27 63 6f 6d 70 69 |nsmittin|g 'compi|
|000042c0| 6c 65 2e 77 27 22 20 27 | 28 73 68 6f 75 6c 64 20 |le.w'" '|(should |
|000042d0| 68 61 76 65 20 62 65 65 | 6e 20 31 38 38 30 20 63 |have bee|n 1880 c|
|000042e0| 68 61 72 61 63 74 65 72 | 73 29 27 0a 66 69 0a 63 |haracter|s)'.fi.c|
|000042f0| 68 6d 6f 64 20 34 34 30 | 20 27 63 6f 6d 70 69 6c |hmod 440| 'compil|
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|00004310| 2d 66 20 27 6e 75 6d 62 | 65 72 73 2e 77 27 0a 74 |-f 'numb|ers.w'.t|
|00004320| 68 65 6e 0a 09 65 63 68 | 6f 20 73 68 61 72 3a 20 |hen..ech|o shar: |
|00004330| 22 77 69 6c 6c 20 6e 6f | 74 20 6f 76 65 72 2d 77 |"will no|t over-w|
|00004340| 72 69 74 65 20 65 78 69 | 73 74 69 6e 67 20 66 69 |rite exi|sting fi|
|00004350| 6c 65 20 27 6e 75 6d 62 | 65 72 73 2e 77 27 22 0a |le 'numb|ers.w'".|
|00004360| 65 6c 73 65 0a 73 65 64 | 20 27 73 2f 5e 58 2f 2f |else.sed| 's/^X//|
|00004370| 27 20 3c 3c 20 5c 53 48 | 41 52 5f 45 4f 46 20 3e |' << \SH|AR_EOF >|
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|000043f0| 20 73 6c 6f 77 20 74 6f | 20 62 65 20 6f 66 20 6d | slow to| be of m|
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|00004460| 53 55 42 20 27 22 73 75 | 62 74 72 61 63 74 69 6f |SUB '"su|btractio|
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|00004490| 29 0a 58 0a 58 28 73 65 | 74 20 27 5f 69 6e 74 65 |).X.X(se|t '_inte|
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|000044c0| 31 20 31 32 20 31 33 20 | 31 34 20 31 35 20 31 36 |1 12 13 |14 15 16|
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|000045e0| 62 65 72 70 20 27 28 6c | 61 6d 62 64 61 20 28 78 |berp '(l|ambda (x|
|000045f0| 29 20 28 6d 65 6d 62 65 | 72 20 78 20 5f 69 6e 74 |) (membe|r x _int|
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|00004610| 20 69 66 20 78 20 3e 20 | 79 0a 58 28 73 65 74 20 | if x > |y.X(set |
|00004620| 27 67 72 65 61 74 65 72 | 70 20 27 28 6c 61 6d 62 |'greater|p '(lamb|
|00004630| 64 61 20 28 78 20 79 29 | 20 28 6d 65 6d 62 65 72 |da (x y)| (member|
|00004640| 20 78 20 28 61 66 74 65 | 72 20 5f 69 6e 74 65 67 | x (afte|r _integ|
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|00004670| 20 27 6c 65 73 73 70 20 | 27 28 6c 61 6d 62 64 61 | 'lessp |'(lambda|
|00004680| 20 28 78 20 79 29 20 28 | 6d 65 6d 62 65 72 20 79 | (x y) (|member y|
|00004690| 20 28 61 66 74 65 72 20 | 5f 69 6e 74 65 67 65 72 | (after |_integer|
|000046a0| 73 5f 20 78 29 29 29 29 | 0a 58 0a 58 3b 20 73 75 |s_ x))))|.X.X; su|
|000046b0| 62 74 72 61 63 74 69 6f | 6e 0a 58 28 73 65 74 20 |btractio|n.X(set |
|000046c0| 27 64 69 66 66 65 72 65 | 6e 63 65 0a 58 20 20 20 |'differe|nce.X   |
|000046d0| 20 27 28 6c 61 6d 62 64 | 61 20 28 78 20 79 29 0a | '(lambd|a (x y).|
|000046e0| 58 09 28 63 6f 6e 64 20 | 28 28 7a 65 72 6f 70 20 |X.(cond |((zerop |
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|00004720| 29 0a 58 0a 58 3b 20 74 | 61 6b 65 20 74 68 65 20 |).X.X; t|ake the |
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|00004860| 66 20 74 65 73 74 20 31 | 31 37 39 20 2d 6e 65 20 |f test 1|179 -ne |
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|000048d0| 39 20 63 68 61 72 61 63 | 74 65 72 73 29 27 0a 66 |9 charac|ters)'.f|
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|00004900| 73 74 20 2d 66 20 27 73 | 65 74 73 2e 77 27 0a 74 |st -f 's|ets.w'.t|
|00004910| 68 65 6e 0a 09 65 63 68 | 6f 20 73 68 61 72 3a 20 |hen..ech|o shar: |
|00004920| 22 77 69 6c 6c 20 6e 6f | 74 20 6f 76 65 72 2d 77 |"will no|t over-w|
|00004930| 72 69 74 65 20 65 78 69 | 73 74 69 6e 67 20 66 69 |rite exi|sting fi|
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|00004990| 73 0a 58 0a 58 28 73 65 | 74 20 27 75 6e 69 6f 6e |s.X.X(se|t 'union|
|000049a0| 0a 58 20 20 20 20 27 28 | 6c 61 6d 62 64 61 20 28 |.X    '(|lambda (|
|000049b0| 78 20 79 29 0a 58 09 28 | 63 6f 6e 64 20 28 28 6e |x y).X.(|cond ((n|
|000049c0| 75 6c 6c 20 78 29 20 79 | 29 0a 58 09 20 20 20 20 |ull x) y|).X.    |
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|00004a00| 28 63 6f 6e 73 20 28 63 | 61 72 20 78 29 20 28 75 |(cons (c|ar x) (u|
|00004a10| 6e 69 6f 6e 20 28 63 64 | 72 20 78 29 20 79 29 29 |nion (cd|r x) y))|
|00004a20| 29 29 29 29 0a 58 0a 58 | 28 73 65 74 20 27 69 6e |)))).X.X|(set 'in|
|00004a30| 74 65 72 73 65 63 74 69 | 6f 6e 0a 58 20 20 20 20 |tersecti|on.X    |
|00004a40| 27 28 6c 61 6d 62 64 61 | 20 28 78 20 79 29 0a 58 |'(lambda| (x y).X|
|00004a50| 09 28 63 6f 6e 64 20 28 | 28 6e 75 6c 6c 20 78 29 |.(cond (|(null x)|
|00004a60| 20 6e 69 6c 29 0a 58 09 | 20 20 20 20 28 28 6d 65 | nil).X.|    ((me|
|00004a70| 6d 62 65 72 20 28 63 61 | 72 20 78 29 20 79 29 0a |mber (ca|r x) y).|
|00004a80| 58 09 09 28 63 6f 6e 73 | 20 28 63 61 72 20 78 29 |X..(cons| (car x)|
|00004a90| 20 28 69 6e 74 65 72 73 | 65 63 74 69 6f 6e 20 28 | (inters|ection (|
|00004aa0| 63 64 72 20 78 29 20 79 | 29 29 29 0a 58 09 20 20 |cdr x) y|))).X.  |
|00004ab0| 20 20 28 74 20 28 69 6e | 74 65 72 73 65 63 74 69 |  (t (in|tersecti|
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|00004ad0| 29 0a 58 0a 58 28 73 65 | 74 20 27 6c 64 69 66 66 |).X.X(se|t 'ldiff|
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|00004af0| 6d 62 64 61 20 28 69 6e | 20 6f 75 74 29 0a 58 09 |mbda (in| out).X.|
|00004b00| 28 63 6f 6e 64 20 28 28 | 6e 75 6c 6c 20 69 6e 29 |(cond ((|null in)|
|00004b10| 20 6e 69 6c 29 0a 58 09 | 20 20 20 20 28 28 6d 65 | nil).X.|    ((me|
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|00004b50| 09 20 20 20 20 28 74 20 | 28 63 6f 6e 73 20 28 63 |.    (t |(cons (c|
|00004b60| 61 72 20 69 6e 29 20 28 | 6c 64 69 66 66 65 72 65 |ar in) (|ldiffere|
|00004b70| 6e 63 65 20 28 63 64 72 | 20 69 6e 29 20 6f 75 74 |nce (cdr| in) out|
|00004b80| 29 29 29 29 29 29 0a 58 | 0a 58 28 73 65 74 20 27 |)))))).X|.X(set '|
|00004b90| 73 75 62 73 65 74 70 0a | 58 20 20 20 20 27 28 6c |subsetp.|X    '(l|
|00004ba0| 61 6d 62 64 61 20 28 61 | 20 62 29 0a 58 09 28 63 |ambda (a| b).X.(c|
|00004bb0| 6f 6e 64 20 28 28 6e 75 | 6c 6c 20 61 29 20 74 29 |ond ((nu|ll a) t)|
|00004bc0| 0a 58 09 20 20 20 20 28 | 28 6d 65 6d 62 65 72 20 |.X.    (|(member |
|00004bd0| 28 63 61 72 20 61 29 20 | 62 29 20 28 73 75 62 73 |(car a) |b) (subs|
|00004be0| 65 74 70 20 28 63 64 72 | 20 61 29 20 62 29 29 0a |etp (cdr| a) b)).|
|00004bf0| 58 09 20 20 20 20 28 74 | 20 6e 69 6c 29 29 29 29 |X.    (t| nil))))|
|00004c00| 0a 58 0a 58 28 73 65 74 | 20 27 73 61 6d 65 73 65 |.X.X(set| 'samese|
|00004c10| 74 70 0a 58 20 20 20 20 | 27 28 6c 61 6d 62 64 61 |tp.X    |'(lambda|
|00004c20| 20 28 61 20 62 29 0a 58 | 09 28 61 6e 64 20 28 73 | (a b).X|.(and (s|
|00004c30| 75 62 73 65 74 70 20 61 | 20 62 29 20 28 73 75 62 |ubsetp a| b) (sub|
|00004c40| 73 65 74 70 20 62 20 61 | 29 29 29 29 0a 53 48 41 |setp b a|)))).SHA|
|00004c50| 52 5f 45 4f 46 0a 69 66 | 20 74 65 73 74 20 36 39 |R_EOF.if| test 69|
|00004c60| 36 20 2d 6e 65 20 22 60 | 77 63 20 2d 63 20 3c 20 |6 -ne "`|wc -c < |
|00004c70| 27 73 65 74 73 2e 77 27 | 60 22 0a 74 68 65 6e 0a |'sets.w'|`".then.|
|00004c80| 09 65 63 68 6f 20 73 68 | 61 72 3a 20 22 65 72 72 |.echo sh|ar: "err|
|00004c90| 6f 72 20 74 72 61 6e 73 | 6d 69 74 74 69 6e 67 20 |or trans|mitting |
|00004ca0| 27 73 65 74 73 2e 77 27 | 22 20 27 28 73 68 6f 75 |'sets.w'|" '(shou|
|00004cb0| 6c 64 20 68 61 76 65 20 | 62 65 65 6e 20 36 39 36 |ld have |been 696|
|00004cc0| 20 63 68 61 72 61 63 74 | 65 72 73 29 27 0a 66 69 | charact|ers)'.fi|
|00004cd0| 0a 63 68 6d 6f 64 20 34 | 34 30 20 27 73 65 74 73 |.chmod 4|40 'sets|
|00004ce0| 2e 77 27 0a 66 69 0a 69 | 66 20 74 65 73 74 20 2d |.w'.fi.i|f test -|
|00004cf0| 66 20 27 77 61 6c 6b 2e | 77 27 0a 74 68 65 6e 0a |f 'walk.|w'.then.|
|00004d00| 09 65 63 68 6f 20 73 68 | 61 72 3a 20 22 77 69 6c |.echo sh|ar: "wil|
|00004d10| 6c 20 6e 6f 74 20 6f 76 | 65 72 2d 77 72 69 74 65 |l not ov|er-write|
|00004d20| 20 65 78 69 73 74 69 6e | 67 20 66 69 6c 65 20 27 | existin|g file '|
|00004d30| 77 61 6c 6b 2e 77 27 22 | 0a 65 6c 73 65 0a 73 65 |walk.w'"|.else.se|
|00004d40| 64 20 27 73 2f 5e 58 2f | 2f 27 20 3c 3c 20 5c 53 |d 's/^X/|/' << \S|
|00004d50| 48 41 52 5f 45 4f 46 20 | 3e 20 27 77 61 6c 6b 2e |HAR_EOF |> 'walk.|
|00004d60| 77 27 0a 58 3b 20 77 61 | 6c 6b 2e 77 20 2d 20 65 |w'.X; wa|lk.w - e|
|00004d70| 78 74 65 6e 73 69 6f 6e | 73 20 74 6f 20 73 69 6d |xtension|s to sim|
|00004d80| 70 6c 65 20 69 6e 74 65 | 72 70 72 65 74 65 72 20 |ple inte|rpreter |
|00004d90| 69 6e 20 4c 49 53 50 0a | 58 3b 0a 58 3b 20 50 6f |in LISP.|X;.X; Po|
|00004da0| 72 74 69 6f 6e 73 20 63 | 6f 70 79 72 69 67 68 74 |rtions c|opyright|
|00004db0| 20 28 63 29 20 31 39 38 | 38 2c 20 31 39 39 30 20 | (c) 198|8, 1990 |
|00004dc0| 52 6f 67 65 72 20 52 6f | 68 72 62 61 63 68 0a 58 |Roger Ro|hrbach.X|
|00004dd0| 0a 58 3b 20 63 6f 6d 70 | 6f 73 69 74 69 6f 6e 73 |.X; comp|ositions|
|00004de0| 20 6f 66 20 63 61 72 2c | 20 63 64 72 0a 58 0a 58 | of car,| cdr.X.X|
|00004df0| 28 73 65 74 20 27 63 61 | 64 72 20 27 28 6c 61 6d |(set 'ca|dr '(lam|
|00004e00| 62 64 61 20 28 65 29 20 | 28 63 61 72 20 28 63 64 |bda (e) |(car (cd|
|00004e10| 72 20 65 29 29 29 29 0a | 58 28 73 65 74 20 27 63 |r e)))).|X(set 'c|
|00004e20| 64 64 72 20 27 28 6c 61 | 6d 62 64 61 20 28 65 29 |ddr '(la|mbda (e)|
|00004e30| 20 28 63 64 72 20 28 63 | 64 72 20 65 29 29 29 29 | (cdr (c|dr e))))|
|00004e40| 0a 58 28 73 65 74 20 27 | 63 61 61 72 20 27 28 6c |.X(set '|caar '(l|
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+--------+-------------------------+-------------------------+--------+--------+