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| Unknown | 1979-12-31 | 8.3 KB |
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| Confidence | Program | Detection | Match Type | Support
|
|---|
| 66%
| dexvert
| Compact Compressed (Unix) (archive/compact)
| ext
| Supported |
| 100%
| file
| MacBinary II, inited, Sat Jan 26 21:37:28 1985, modified Mon Dec 31 19:30:38 1979, 7764 bytes "xleval.c" , at 0x1ed4 490 bytes resource
| default (weak)
| |
| 99%
| file
| data
| default
| |
| 100%
| TrID
| MacBinary 2
| default (weak)
| |
| 100%
| dearkID
| deark: macbinary
| default
| |
| 100%
| siegfried
| fmt/1762 MacBinary (II)
| default
| |
| 100%
| lsar
| MacBinary
| default
|
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hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 08 78 6c 65 76 61 6c | 2e 63 00 00 00 00 00 00 |..xleval|.c......|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 00 00 00 00 00 00 00 | 00 01 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 00 00 1e 54 00 | 00 01 ea 98 7f 66 e8 8e |......T.|.....f..|
|00000060| f4 5d ae 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.]......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 75 51 00 00 |........|....uQ..|
|00000080| 2f 2a 20 78 6c 65 76 61 | 6c 20 2d 20 78 6c 69 73 |/* xleva|l - xlis|
|00000090| 70 20 65 76 61 6c 75 61 | 74 6f 72 20 2a 2f 0d 0d |p evalua|tor */..|
|000000a0| 23 69 6e 63 6c 75 64 65 | 20 22 78 6c 69 73 70 2e |#include| "xlisp.|
|000000b0| 68 22 0d 0d 2f 2a 20 65 | 78 74 65 72 6e 61 6c 20 |h"../* e|xternal |
|000000c0| 76 61 72 69 61 62 6c 65 | 73 20 2a 2f 0d 65 78 74 |variable|s */.ext|
|000000d0| 65 72 6e 20 4e 4f 44 45 | 20 2a 78 6c 73 74 61 63 |ern NODE| *xlstac|
|000000e0| 6b 2c 2a 78 6c 65 6e 76 | 2c 2a 78 6c 6e 65 77 65 |k,*xlenv|,*xlnewe|
|000000f0| 6e 76 3b 0d 65 78 74 65 | 72 6e 20 4e 4f 44 45 20 |nv;.exte|rn NODE |
|00000100| 2a 73 5f 6c 61 6d 62 64 | 61 2c 2a 73 5f 6d 61 63 |*s_lambd|a,*s_mac|
|00000110| 72 6f 3b 0d 65 78 74 65 | 72 6e 20 4e 4f 44 45 20 |ro;.exte|rn NODE |
|00000120| 2a 6b 5f 6f 70 74 69 6f | 6e 61 6c 2c 2a 6b 5f 72 |*k_optio|nal,*k_r|
|00000130| 65 73 74 2c 2a 6b 5f 61 | 75 78 3b 0d 65 78 74 65 |est,*k_a|ux;.exte|
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|00000170| 5f 75 6e 62 6f 75 6e 64 | 3b 0d 65 78 74 65 72 6e |_unbound|;.extern|
|00000180| 20 4e 4f 44 45 20 2a 73 | 5f 73 74 64 6f 75 74 3b | NODE *s|_stdout;|
|00000190| 0d 0d 2f 2a 20 66 6f 72 | 77 61 72 64 20 64 65 63 |../* for|ward dec|
|000001a0| 6c 61 72 61 74 69 6f 6e | 73 20 2a 2f 0d 46 4f 52 |laration|s */.FOR|
|000001b0| 57 41 52 44 20 4e 4f 44 | 45 20 2a 78 6c 78 65 76 |WARD NOD|E *xlxev|
|000001c0| 61 6c 28 29 3b 0d 46 4f | 52 57 41 52 44 20 4e 4f |al();.FO|RWARD NO|
|000001d0| 44 45 20 2a 65 76 61 6c | 68 6f 6f 6b 28 29 3b 0d |DE *eval|hook();.|
|000001e0| 46 4f 52 57 41 52 44 20 | 4e 4f 44 45 20 2a 65 76 |FORWARD |NODE *ev|
|000001f0| 66 6f 72 6d 28 29 3b 0d | 46 4f 52 57 41 52 44 20 |form();.|FORWARD |
|00000200| 4e 4f 44 45 20 2a 65 76 | 73 79 6d 28 29 3b 0d 46 |NODE *ev|sym();.F|
|00000210| 4f 52 57 41 52 44 20 4e | 4f 44 45 20 2a 65 76 66 |ORWARD N|ODE *evf|
|00000220| 75 6e 28 29 3b 0d 0d 2f | 2a 20 78 6c 65 76 61 6c |un();../|* xleval|
|00000230| 20 2d 20 65 76 61 6c 75 | 61 74 65 20 61 6e 20 78 | - evalu|ate an x|
|00000240| 6c 69 73 70 20 65 78 70 | 72 65 73 73 69 6f 6e 20 |lisp exp|ression |
|00000250| 28 63 68 65 63 6b 69 6e | 67 20 66 6f 72 20 2a 65 |(checkin|g for *e|
|00000260| 76 61 6c 68 6f 6f 6b 2a | 29 20 2a 2f 0d 4e 4f 44 |valhook*|) */.NOD|
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|00000290| 20 20 20 20 72 65 74 75 | 72 6e 20 28 73 5f 65 76 | retu|rn (s_ev|
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|000002c0| 70 72 29 20 3a 20 78 6c | 78 65 76 61 6c 28 65 78 |pr) : xl|xeval(ex|
|000002d0| 70 72 29 29 3b 0d 7d 0d | 0d 2f 2a 20 78 6c 78 65 |pr));.}.|./* xlxe|
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|00000460| 6f 76 65 20 74 72 61 63 | 65 20 65 6e 74 72 79 20 |ove trac|e entry |
|00000470| 2a 2f 0d 20 20 20 20 78 | 6c 74 70 6f 70 28 29 3b |*/. x|ltpop();|
|00000480| 0d 0d 20 20 20 20 2f 2a | 20 72 65 74 75 72 6e 20 |.. /*| return |
|00000490| 74 68 65 20 76 61 6c 75 | 65 20 2a 2f 0d 20 20 20 |the valu|e */. |
|000004a0| 20 72 65 74 75 72 6e 20 | 28 65 78 70 72 29 3b 0d | return |(expr);.|
|000004b0| 7d 0d 0d 2f 2a 20 78 6c | 61 70 70 6c 79 20 2d 20 |}../* xl|apply - |
|000004c0| 61 70 70 6c 79 20 61 20 | 66 75 6e 63 74 69 6f 6e |apply a |function|
|000004d0| 20 74 6f 20 61 20 6c 69 | 73 74 20 6f 66 20 61 72 | to a li|st of ar|
|000004e0| 67 75 6d 65 6e 74 73 20 | 2a 2f 0d 4e 4f 44 45 20 |guments |*/.NODE |
|000004f0| 2a 78 6c 61 70 70 6c 79 | 28 66 75 6e 2c 61 72 67 |*xlapply|(fun,arg|
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|00000520| 20 2a 76 61 6c 3b 0d 0d | 23 69 66 64 65 66 20 4d | *val;..|#ifdef M|
|00000530| 45 47 41 4d 41 58 0d 20 | 20 20 20 6d 61 63 69 64 |EGAMAX. | macid|
|00000540| 6c 65 28 29 3b 0d 23 65 | 6e 64 69 66 0d 0d 20 20 |le();.#e|ndif.. |
|00000550| 20 20 2f 2a 20 63 68 65 | 63 6b 20 66 6f 72 20 61 | /* che|ck for a|
|00000560| 20 6e 75 6c 6c 20 66 75 | 6e 63 74 69 6f 6e 20 2a | null fu|nction *|
|00000570| 2f 0d 20 20 20 20 69 66 | 20 28 66 75 6e 20 3d 3d |/. if| (fun ==|
|00000580| 20 4e 49 4c 29 0d 09 78 | 6c 66 61 69 6c 28 22 62 | NIL)..x|lfail("b|
|00000590| 61 64 20 66 75 6e 63 74 | 69 6f 6e 22 29 3b 0d 0d |ad funct|ion");..|
|000005a0| 20 20 20 20 2f 2a 20 65 | 76 61 6c 75 61 74 65 20 | /* e|valuate |
|000005b0| 74 68 65 20 66 75 6e 63 | 74 69 6f 6e 20 2a 2f 0d |the func|tion */.|
|000005c0| 20 20 20 20 69 66 20 28 | 73 75 62 72 70 28 66 75 | if (|subrp(fu|
|000005d0| 6e 29 29 0d 09 76 61 6c | 20 3d 20 28 2a 66 75 6e |n))..val| = (*fun|
|000005e0| 2d 3e 6e 5f 73 75 62 72 | 29 28 61 72 67 73 29 3b |->n_subr|)(args);|
|000005f0| 0d 20 20 20 20 65 6c 73 | 65 20 69 66 20 28 63 6f |. els|e if (co|
|00000600| 6e 73 70 28 66 75 6e 29 | 29 20 7b 0d 09 69 66 20 |nsp(fun)|) {..if |
|00000610| 28 63 61 72 28 66 75 6e | 29 20 21 3d 20 73 5f 6c |(car(fun|) != s_l|
|00000620| 61 6d 62 64 61 29 0d 09 | 20 20 20 20 78 6c 66 61 |ambda)..| xlfa|
|00000630| 69 6c 28 22 62 61 64 20 | 66 75 6e 63 74 69 6f 6e |il("bad |function|
|00000640| 20 74 79 70 65 22 29 3b | 0d 09 76 61 6c 20 3d 20 | type");|..val = |
|00000650| 65 76 66 75 6e 28 66 75 | 6e 2c 61 72 67 73 29 3b |evfun(fu|n,args);|
|00000660| 0d 20 20 20 20 7d 0d 20 | 20 20 20 65 6c 73 65 0d |. }. | else.|
|00000670| 09 78 6c 66 61 69 6c 28 | 22 62 61 64 20 66 75 6e |.xlfail(|"bad fun|
|00000680| 63 74 69 6f 6e 22 29 3b | 0d 0d 20 20 20 20 2f 2a |ction");|.. /*|
|00000690| 20 72 65 74 75 72 6e 20 | 74 68 65 20 72 65 73 75 | return |the resu|
|000006a0| 6c 74 20 76 61 6c 75 65 | 20 2a 2f 0d 20 20 20 20 |lt value| */. |
|000006b0| 72 65 74 75 72 6e 20 28 | 76 61 6c 29 3b 0d 7d 0d |return (|val);.}.|
|000006c0| 0d 2f 2a 20 65 76 66 6f | 72 6d 20 2d 20 65 76 61 |./* evfo|rm - eva|
|000006d0| 6c 75 61 74 65 20 61 20 | 66 6f 72 6d 20 2a 2f 0d |luate a |form */.|
|000006e0| 4c 4f 43 41 4c 20 4e 4f | 44 45 20 2a 65 76 66 6f |LOCAL NO|DE *evfo|
|000006f0| 72 6d 28 65 78 70 72 29 | 0d 20 20 4e 4f 44 45 20 |rm(expr)|. NODE |
|00000700| 2a 65 78 70 72 3b 0d 7b | 0d 20 20 20 20 4e 4f 44 |*expr;.{|. NOD|
|00000710| 45 20 2a 6f 6c 64 73 74 | 6b 2c 66 75 6e 2c 61 72 |E *oldst|k,fun,ar|
|00000720| 67 73 2c 2a 76 61 6c 2c | 2a 74 79 70 65 3b 0d 0d |gs,*val,|*type;..|
|00000730| 20 20 20 20 2f 2a 20 63 | 72 65 61 74 65 20 61 20 | /* c|reate a |
|00000740| 73 74 61 63 6b 20 66 72 | 61 6d 65 20 2a 2f 0d 20 |stack fr|ame */. |
|00000750| 20 20 20 6f 6c 64 73 74 | 6b 20 3d 20 78 6c 73 61 | oldst|k = xlsa|
|00000760| 76 65 28 26 66 75 6e 2c | 26 61 72 67 73 2c 4e 55 |ve(&fun,|&args,NU|
|00000770| 4c 4c 29 3b 0d 0d 20 20 | 20 20 2f 2a 20 67 65 74 |LL);.. | /* get|
|00000780| 20 74 68 65 20 66 75 6e | 63 74 69 6f 6e 20 61 6e | the fun|ction an|
|00000790| 64 20 74 68 65 20 61 72 | 67 75 6d 65 6e 74 20 6c |d the ar|gument l|
|000007a0| 69 73 74 20 2a 2f 0d 20 | 20 20 20 66 75 6e 2e 6e |ist */. | fun.n|
|000007b0| 5f 70 74 72 20 3d 20 63 | 61 72 28 65 78 70 72 29 |_ptr = c|ar(expr)|
|000007c0| 3b 0d 20 20 20 20 61 72 | 67 73 2e 6e 5f 70 74 72 |;. ar|gs.n_ptr|
|000007d0| 20 3d 20 63 64 72 28 65 | 78 70 72 29 3b 0d 0d 20 | = cdr(e|xpr);.. |
|000007e0| 20 20 20 2f 2a 20 65 76 | 61 6c 75 61 74 65 20 74 | /* ev|aluate t|
|000007f0| 68 65 20 66 69 72 73 74 | 20 65 78 70 72 65 73 73 |he first| express|
|00000800| 69 6f 6e 20 2a 2f 0d 20 | 20 20 20 69 66 20 28 28 |ion */. | if ((|
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|00000820| 61 6c 28 66 75 6e 2e 6e | 5f 70 74 72 29 29 20 3d |al(fun.n|_ptr)) =|
|00000830| 3d 20 4e 49 4c 29 0d 09 | 78 6c 66 61 69 6c 28 22 |= NIL)..|xlfail("|
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|00000850| 0d 20 20 20 20 2f 2a 20 | 65 76 61 6c 75 61 74 65 |. /* |evaluate|
|00000860| 20 74 68 65 20 66 75 6e | 63 74 69 6f 6e 20 2a 2f | the fun|ction */|
|00000870| 0d 20 20 20 20 69 66 20 | 28 73 75 62 72 70 28 66 |. if |(subrp(f|
|00000880| 75 6e 2e 6e 5f 70 74 72 | 29 20 7c 7c 20 66 73 75 |un.n_ptr|) || fsu|
|00000890| 62 72 70 28 66 75 6e 2e | 6e 5f 70 74 72 29 29 20 |brp(fun.|n_ptr)) |
|000008a0| 7b 0d 09 69 66 20 28 73 | 75 62 72 70 28 66 75 6e |{..if (s|ubrp(fun|
|000008b0| 2e 6e 5f 70 74 72 29 29 | 0d 09 20 20 20 20 61 72 |.n_ptr))|.. ar|
|000008c0| 67 73 2e 6e 5f 70 74 72 | 20 3d 20 78 6c 65 76 6c |gs.n_ptr| = xlevl|
|000008d0| 69 73 74 28 61 72 67 73 | 2e 6e 5f 70 74 72 29 3b |ist(args|.n_ptr);|
|000008e0| 0d 09 76 61 6c 20 3d 20 | 28 2a 66 75 6e 2e 6e 5f |..val = |(*fun.n_|
|000008f0| 70 74 72 2d 3e 6e 5f 73 | 75 62 72 29 28 61 72 67 |ptr->n_s|ubr)(arg|
|00000900| 73 2e 6e 5f 70 74 72 29 | 3b 0d 20 20 20 20 7d 0d |s.n_ptr)|;. }.|
|00000910| 20 20 20 20 65 6c 73 65 | 20 69 66 20 28 63 6f 6e | else| if (con|
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|00000940| 72 28 66 75 6e 2e 6e 5f | 70 74 72 29 29 20 3d 3d |r(fun.n_|ptr)) ==|
|00000950| 20 73 5f 6c 61 6d 62 64 | 61 29 20 7b 0d 09 20 20 | s_lambd|a) {.. |
|00000960| 20 20 61 72 67 73 2e 6e | 5f 70 74 72 20 3d 20 78 | args.n|_ptr = x|
|00000970| 6c 65 76 6c 69 73 74 28 | 61 72 67 73 2e 6e 5f 70 |levlist(|args.n_p|
|00000980| 74 72 29 3b 0d 09 20 20 | 20 20 76 61 6c 20 3d 20 |tr);.. | val = |
|00000990| 65 76 66 75 6e 28 66 75 | 6e 2e 6e 5f 70 74 72 2c |evfun(fu|n.n_ptr,|
|000009a0| 61 72 67 73 2e 6e 5f 70 | 74 72 29 3b 0d 09 7d 0d |args.n_p|tr);..}.|
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|000009c0| 3d 20 73 5f 6d 61 63 72 | 6f 29 20 7b 0d 09 20 20 |= s_macr|o) {.. |
|000009d0| 20 20 61 72 67 73 2e 6e | 5f 70 74 72 20 3d 20 65 | args.n|_ptr = e|
|000009e0| 76 66 75 6e 28 66 75 6e | 2e 6e 5f 70 74 72 2c 61 |vfun(fun|.n_ptr,a|
|000009f0| 72 67 73 2e 6e 5f 70 74 | 72 29 3b 0d 09 20 20 20 |rgs.n_pt|r);.. |
|00000a00| 20 76 61 6c 20 3d 20 78 | 6c 65 76 61 6c 28 61 72 | val = x|leval(ar|
|00000a10| 67 73 2e 6e 5f 70 74 72 | 29 3b 0d 09 7d 0d 09 65 |gs.n_ptr|);..}..e|
|00000a20| 6c 73 65 0d 09 20 20 20 | 20 78 6c 66 61 69 6c 28 |lse.. | xlfail(|
|00000a30| 22 62 61 64 20 66 75 6e | 63 74 69 6f 6e 20 74 79 |"bad fun|ction ty|
|00000a40| 70 65 22 29 3b 0d 20 20 | 20 20 7d 0d 20 20 20 20 |pe");. | }. |
|00000a50| 65 6c 73 65 20 69 66 20 | 28 6f 62 6a 65 63 74 70 |else if |(objectp|
|00000a60| 28 66 75 6e 2e 6e 5f 70 | 74 72 29 29 0d 09 76 61 |(fun.n_p|tr))..va|
|00000a70| 6c 20 3d 20 78 6c 73 65 | 6e 64 28 66 75 6e 2e 6e |l = xlse|nd(fun.n|
|00000a80| 5f 70 74 72 2c 61 72 67 | 73 2e 6e 5f 70 74 72 29 |_ptr,arg|s.n_ptr)|
|00000a90| 3b 0d 20 20 20 20 65 6c | 73 65 0d 09 78 6c 66 61 |;. el|se..xlfa|
|00000aa0| 69 6c 28 22 62 61 64 20 | 66 75 6e 63 74 69 6f 6e |il("bad |function|
|00000ab0| 22 29 3b 0d 0d 20 20 20 | 20 2f 2a 20 72 65 73 74 |");.. | /* rest|
|00000ac0| 6f 72 65 20 74 68 65 20 | 70 72 65 76 69 6f 75 73 |ore the |previous|
|00000ad0| 20 73 74 61 63 6b 20 66 | 72 61 6d 65 20 2a 2f 0d | stack f|rame */.|
|00000ae0| 20 20 20 20 78 6c 73 74 | 61 63 6b 20 3d 20 6f 6c | xlst|ack = ol|
|00000af0| 64 73 74 6b 3b 0d 0d 20 | 20 20 20 2f 2a 20 72 65 |dstk;.. | /* re|
|00000b00| 74 75 72 6e 20 74 68 65 | 20 72 65 73 75 6c 74 20 |turn the| result |
|00000b10| 76 61 6c 75 65 20 2a 2f | 0d 20 20 20 20 72 65 74 |value */|. ret|
|00000b20| 75 72 6e 20 28 76 61 6c | 29 3b 0d 7d 0d 0d 2f 2a |urn (val|);.}../*|
|00000b30| 20 65 76 61 6c 68 6f 6f | 6b 20 2d 20 63 61 6c 6c | evalhoo|k - call|
|00000b40| 20 74 68 65 20 65 76 61 | 6c 68 6f 6f 6b 20 66 75 | the eva|lhook fu|
|00000b50| 6e 63 74 69 6f 6e 20 2a | 2f 0d 4c 4f 43 41 4c 20 |nction *|/.LOCAL |
|00000b60| 4e 4f 44 45 20 2a 65 76 | 61 6c 68 6f 6f 6b 28 65 |NODE *ev|alhook(e|
|00000b70| 78 70 72 29 0d 20 20 4e | 4f 44 45 20 2a 65 78 70 |xpr). N|ODE *exp|
|00000b80| 72 3b 0d 7b 0d 20 20 20 | 20 4e 4f 44 45 20 2a 6f |r;.{. | NODE *o|
|00000b90| 6c 64 73 74 6b 2c 2a 6f | 6c 64 65 6e 76 2c 66 75 |ldstk,*o|ldenv,fu|
|00000ba0| 6e 2c 61 72 67 73 2c 2a | 76 61 6c 3b 0d 0d 20 20 |n,args,*|val;.. |
|00000bb0| 20 20 2f 2a 20 63 72 65 | 61 74 65 20 61 20 6e 65 | /* cre|ate a ne|
|00000bc0| 77 20 73 74 61 63 6b 20 | 66 72 61 6d 65 20 2a 2f |w stack |frame */|
|00000bd0| 0d 20 20 20 20 6f 6c 64 | 73 74 6b 20 3d 20 78 6c |. old|stk = xl|
|00000be0| 73 61 76 65 28 26 66 75 | 6e 2c 26 61 72 67 73 2c |save(&fu|n,&args,|
|00000bf0| 4e 55 4c 4c 29 3b 0d 0d | 20 20 20 20 2f 2a 20 67 |NULL);..| /* g|
|00000c00| 65 74 20 74 68 65 20 68 | 6f 6f 6b 20 66 75 6e 63 |et the h|ook func|
|00000c10| 74 69 6f 6e 20 2a 2f 0d | 20 20 20 20 66 75 6e 2e |tion */.| fun.|
|00000c20| 6e 5f 70 74 72 20 3d 20 | 73 5f 65 76 61 6c 68 6f |n_ptr = |s_evalho|
|00000c30| 6f 6b 2d 3e 6e 5f 73 79 | 6d 76 61 6c 75 65 3b 0d |ok->n_sy|mvalue;.|
|00000c40| 0d 20 20 20 20 2f 2a 20 | 6d 61 6b 65 20 61 6e 20 |. /* |make an |
|00000c50| 61 72 67 75 6d 65 6e 74 | 20 6c 69 73 74 20 2a 2f |argument| list */|
|00000c60| 0d 20 20 20 20 61 72 67 | 73 2e 6e 5f 70 74 72 20 |. arg|s.n_ptr |
|00000c70| 3d 20 6e 65 77 6e 6f 64 | 65 28 4c 49 53 54 29 3b |= newnod|e(LIST);|
|00000c80| 0d 20 20 20 20 72 70 6c | 61 63 61 28 61 72 67 73 |. rpl|aca(args|
|00000c90| 2e 6e 5f 70 74 72 2c 65 | 78 70 72 29 3b 0d 0d 20 |.n_ptr,e|xpr);.. |
|00000ca0| 20 20 20 2f 2a 20 72 65 | 62 69 6e 64 20 74 68 65 | /* re|bind the|
|00000cb0| 20 68 6f 6f 6b 20 66 75 | 6e 63 74 69 6f 6e 73 20 | hook fu|nctions |
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|00001b20| 62 69 6e 64 28 61 72 67 | 2c 61 61 72 67 73 29 3b |bind(arg|,aargs);|
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+--------+-------------------------+-------------------------+--------+--------+
