SunSpider/tests/v8-v4/v8-earley-boyer.js
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-1:000000000000 0:4f2f89ce4247
       
     1 // This file is automatically generated by scheme2js, except for the
       
     2 // benchmark harness code at the beginning and end of the file.
       
     3 
       
     4 /************* GENERATED FILE - DO NOT EDIT *************/
       
     5 /************* GENERATED FILE - DO NOT EDIT *************/
       
     6 /************* GENERATED FILE - DO NOT EDIT *************/
       
     7 /************* GENERATED FILE - DO NOT EDIT *************/
       
     8 /************* GENERATED FILE - DO NOT EDIT *************/
       
     9 /************* GENERATED FILE - DO NOT EDIT *************/
       
    10 /************* GENERATED FILE - DO NOT EDIT *************/
       
    11 /************* GENERATED FILE - DO NOT EDIT *************/
       
    12 /*
       
    13  * To use write/prints/... the default-output port has to be set first.
       
    14  * Simply setting SC_DEFAULT_OUT and SC_ERROR_OUT to the desired values
       
    15  * should do the trick.
       
    16  * In the following example the std-out and error-port are redirected to
       
    17  * a DIV.
       
    18 function initRuntime() {
       
    19     function escapeHTML(s) {
       
    20 	var tmp = s;
       
    21 	tmp = tmp.replace(/&/g, "&");
       
    22 	tmp = tmp.replace(/</g, "&lt;");
       
    23 	tmp = tmp.replace(/>/g, "&gt;");
       
    24 	tmp = tmp.replace(/ /g, "&nbsp;");
       
    25 	tmp = tmp.replace(/\n/g, "<br />");
       
    26 	tmp = tmp.replace(/\t/g, "&nbsp;&nbsp;&nbsp;&nbsp");
       
    27 	return tmp;
       
    28 	
       
    29     }
       
    30 
       
    31     document.write("<div id='stdout'></div>");
       
    32     SC_DEFAULT_OUT = new sc_GenericOutputPort(
       
    33 	function(s) {
       
    34 	    var stdout = document.getElementById('stdout');
       
    35 	    stdout.innerHTML = stdout.innerHTML + escapeHTML(s);
       
    36 	});
       
    37     SC_ERROR_OUT = SC_DEFAULT_OUT;
       
    38 }
       
    39 */
       
    40 
       
    41 
       
    42 function sc_print_debug() {
       
    43     sc_print.apply(null, arguments);
       
    44 }
       
    45 /*** META ((export *js*)) */
       
    46 var sc_JS_GLOBALS = this;
       
    47 
       
    48 var __sc_LINE=-1;
       
    49 var __sc_FILE="";
       
    50 
       
    51 /*** META ((export #t)) */
       
    52 function sc_alert() {
       
    53    var len = arguments.length;
       
    54    var s = "";
       
    55    var i;
       
    56 
       
    57    for( i = 0; i < len; i++ ) {
       
    58        s += sc_toDisplayString(arguments[ i ]);
       
    59    }
       
    60 
       
    61    return alert( s );
       
    62 }
       
    63 
       
    64 /*** META ((export #t)) */
       
    65 function sc_typeof( x ) {
       
    66    return typeof x;
       
    67 }
       
    68 
       
    69 /*** META ((export #t)) */
       
    70 function sc_error() {
       
    71     var a = [sc_jsstring2symbol("*error*")];
       
    72     for (var i = 0; i < arguments.length; i++) {
       
    73 	a[i+1] = arguments[i];
       
    74     }
       
    75     throw a;
       
    76 }
       
    77 
       
    78 /*** META ((export #t)
       
    79            (peephole (prefix "throw ")))
       
    80 */
       
    81 function sc_raise(obj) {
       
    82     throw obj;
       
    83 }
       
    84 
       
    85 /*** META ((export with-handler-lambda)) */
       
    86 function sc_withHandlerLambda(handler, body) {
       
    87     try {
       
    88 	return body();
       
    89     } catch(e) {
       
    90 	if (!e._internalException)
       
    91 	    return handler(e);
       
    92 	else
       
    93 	    throw e;
       
    94     }
       
    95 }
       
    96 
       
    97 var sc_properties = new Object();
       
    98 
       
    99 /*** META ((export #t)) */
       
   100 function sc_putpropBang(sym, key, val) {
       
   101     var ht = sc_properties[sym];
       
   102     if (!ht) {
       
   103 	ht = new Object();
       
   104 	sc_properties[sym] = ht;
       
   105     }
       
   106     ht[key] = val;
       
   107 }
       
   108 
       
   109 /*** META ((export #t)) */
       
   110 function sc_getprop(sym, key) {
       
   111     var ht = sc_properties[sym];
       
   112     if (ht) {
       
   113 	if (key in ht)
       
   114 	    return ht[key];
       
   115 	else
       
   116 	    return false;
       
   117     } else
       
   118 	return false;
       
   119 }
       
   120 
       
   121 /*** META ((export #t)) */
       
   122 function sc_rempropBang(sym, key) {
       
   123     var ht = sc_properties[sym];
       
   124     if (ht)
       
   125 	delete ht[key];
       
   126 }
       
   127 
       
   128 /*** META ((export #t)) */
       
   129 function sc_any2String(o) {
       
   130     return jsstring2string(sc_toDisplayString(o));
       
   131 }    
       
   132 
       
   133 /*** META ((export #t)
       
   134            (peephole (infix 2 2 "==="))
       
   135            (type bool))
       
   136 */
       
   137 function sc_isEqv(o1, o2) {
       
   138     return (o1 === o2);
       
   139 }
       
   140 
       
   141 /*** META ((export #t)
       
   142            (peephole (infix 2 2 "==="))
       
   143            (type bool))
       
   144 */
       
   145 function sc_isEq(o1, o2) {
       
   146     return (o1 === o2);
       
   147 }
       
   148 
       
   149 /*** META ((export #t)
       
   150            (type bool))
       
   151 */
       
   152 function sc_isNumber(n) {
       
   153     return (typeof n === "number");
       
   154 }
       
   155 
       
   156 /*** META ((export #t)
       
   157            (type bool))
       
   158 */
       
   159 function sc_isComplex(n) {
       
   160     return sc_isNumber(n);
       
   161 }
       
   162 
       
   163 /*** META ((export #t)
       
   164            (type bool))
       
   165 */
       
   166 function sc_isReal(n) {
       
   167     return sc_isNumber(n);
       
   168 }
       
   169 
       
   170 /*** META ((export #t)
       
   171            (type bool))
       
   172 */
       
   173 function sc_isRational(n) {
       
   174     return sc_isReal(n);
       
   175 }
       
   176 
       
   177 /*** META ((export #t)
       
   178            (type bool))
       
   179 */
       
   180 function sc_isInteger(n) {
       
   181     return (parseInt(n) === n);
       
   182 }
       
   183 
       
   184 /*** META ((export #t)
       
   185            (type bool)
       
   186            (peephole (postfix ", false")))
       
   187 */
       
   188 // we don't have exact numbers...
       
   189 function sc_isExact(n) {
       
   190     return false;
       
   191 }
       
   192 
       
   193 /*** META ((export #t)
       
   194            (peephole (postfix ", true"))
       
   195 	   (type bool))
       
   196 */
       
   197 function sc_isInexact(n) {
       
   198     return true;
       
   199 }
       
   200 
       
   201 /*** META ((export = =fx =fl)
       
   202            (type bool)
       
   203            (peephole (infix 2 2 "===")))
       
   204 */
       
   205 function sc_equal(x) {
       
   206     for (var i = 1; i < arguments.length; i++)
       
   207 	if (x !== arguments[i])
       
   208 	    return false;
       
   209     return true;
       
   210 }
       
   211 
       
   212 /*** META ((export < <fx <fl)
       
   213            (type bool)
       
   214            (peephole (infix 2 2 "<")))
       
   215 */
       
   216 function sc_less(x) {
       
   217     for (var i = 1; i < arguments.length; i++) {
       
   218 	if (x >= arguments[i])
       
   219 	    return false;
       
   220 	x = arguments[i];
       
   221     }
       
   222     return true;
       
   223 }
       
   224 
       
   225 /*** META ((export > >fx >fl)
       
   226            (type bool)
       
   227            (peephole (infix 2 2 ">")))
       
   228 */
       
   229 function sc_greater(x, y) {
       
   230     for (var i = 1; i < arguments.length; i++) {
       
   231 	if (x <= arguments[i])
       
   232 	    return false;
       
   233 	x = arguments[i];
       
   234     }
       
   235     return true;
       
   236 }
       
   237 
       
   238 /*** META ((export <= <=fx <=fl)
       
   239            (type bool)
       
   240            (peephole (infix 2 2 "<=")))
       
   241 */
       
   242 function sc_lessEqual(x, y) {
       
   243     for (var i = 1; i < arguments.length; i++) {
       
   244 	if (x > arguments[i])
       
   245 	    return false;
       
   246 	x = arguments[i];
       
   247     }
       
   248     return true;
       
   249 }
       
   250 
       
   251 /*** META ((export >= >=fl >=fx)
       
   252            (type bool)
       
   253            (peephole (infix 2 2 ">=")))
       
   254 */
       
   255 function sc_greaterEqual(x, y) {
       
   256     for (var i = 1; i < arguments.length; i++) {
       
   257 	if (x < arguments[i])
       
   258 	    return false;
       
   259 	x = arguments[i];
       
   260     }
       
   261     return true;
       
   262 }
       
   263 
       
   264 /*** META ((export #t)
       
   265            (type bool)
       
   266            (peephole (postfix "=== 0")))
       
   267 */
       
   268 function sc_isZero(x) {
       
   269     return (x === 0);
       
   270 }
       
   271 
       
   272 /*** META ((export #t)
       
   273            (type bool)
       
   274            (peephole (postfix "> 0")))
       
   275 */
       
   276 function sc_isPositive(x) {
       
   277     return (x > 0);
       
   278 }
       
   279 
       
   280 /*** META ((export #t)
       
   281            (type bool)
       
   282            (peephole (postfix "< 0")))
       
   283 */
       
   284 function sc_isNegative(x) {
       
   285     return (x < 0);
       
   286 }
       
   287 
       
   288 /*** META ((export #t)
       
   289            (type bool)
       
   290            (peephole (postfix "%2===1")))
       
   291 */
       
   292 function sc_isOdd(x) {
       
   293     return (x % 2 === 1);
       
   294 }
       
   295 
       
   296 /*** META ((export #t)
       
   297            (type bool)
       
   298            (peephole (postfix "%2===0")))
       
   299 */
       
   300 function sc_isEven(x) {
       
   301     return (x % 2 === 0);
       
   302 }
       
   303 
       
   304 /*** META ((export #t)) */
       
   305 var sc_max = Math.max;
       
   306 /*** META ((export #t)) */
       
   307 var sc_min = Math.min;
       
   308 
       
   309 /*** META ((export + +fx +fl)
       
   310            (peephole (infix 0 #f "+" "0")))
       
   311 */
       
   312 function sc_plus() {
       
   313     var sum = 0;
       
   314     for (var i = 0; i < arguments.length; i++)
       
   315 	sum += arguments[i];
       
   316     return sum;
       
   317 }
       
   318 
       
   319 /*** META ((export * *fx *fl)
       
   320            (peephole (infix 0 #f "*" "1")))
       
   321 */
       
   322 function sc_multi() {
       
   323     var product = 1;
       
   324     for (var i = 0; i < arguments.length; i++)
       
   325 	product *= arguments[i];
       
   326     return product;
       
   327 }
       
   328 
       
   329 /*** META ((export - -fx -fl)
       
   330            (peephole (minus)))
       
   331 */
       
   332 function sc_minus(x) {
       
   333     if (arguments.length === 1)
       
   334 	return -x;
       
   335     else {
       
   336 	var res = x;
       
   337 	for (var i = 1; i < arguments.length; i++)
       
   338 	    res -= arguments[i];
       
   339 	return res;
       
   340     }
       
   341 }
       
   342 
       
   343 /*** META ((export / /fl)
       
   344            (peephole (div)))
       
   345 */
       
   346 function sc_div(x) {
       
   347     if (arguments.length === 1)
       
   348 	return 1/x;
       
   349     else {
       
   350 	var res = x;
       
   351 	for (var i = 1; i < arguments.length; i++)
       
   352 	    res /= arguments[i];
       
   353 	return res;
       
   354     }
       
   355 }
       
   356 
       
   357 /*** META ((export #t)) */
       
   358 var sc_abs = Math.abs;
       
   359 
       
   360 /*** META ((export quotient /fx)
       
   361            (peephole (hole 2 "parseInt(" x "/" y ")")))
       
   362 */
       
   363 function sc_quotient(x, y) {
       
   364     return parseInt(x / y);
       
   365 }
       
   366 
       
   367 /*** META ((export #t)
       
   368            (peephole (infix 2 2 "%")))
       
   369 */
       
   370 function sc_remainder(x, y) {
       
   371     return x % y;
       
   372 }
       
   373 
       
   374 /*** META ((export #t)
       
   375            (peephole (modulo)))
       
   376 */
       
   377 function sc_modulo(x, y) {
       
   378     var remainder = x % y;
       
   379     // if they don't have the same sign
       
   380     if ((remainder * y) < 0)
       
   381 	return remainder + y;
       
   382     else
       
   383 	return remainder;
       
   384 }
       
   385 
       
   386 function sc_euclid_gcd(a, b) {
       
   387     var temp;
       
   388     if (a === 0) return b;
       
   389     if (b === 0) return a;
       
   390     if (a < 0) {a = -a;};
       
   391     if (b < 0) {b = -b;};
       
   392     if (b > a) {temp = a; a = b; b = temp;};
       
   393     while (true) {
       
   394 	a %= b;
       
   395 	if(a === 0) {return b;};
       
   396 	b %= a;
       
   397 	if(b === 0) {return a;};
       
   398     };
       
   399     return b;
       
   400 }
       
   401 
       
   402 /*** META ((export #t)) */
       
   403 function sc_gcd() {
       
   404     var gcd = 0;
       
   405     for (var i = 0; i < arguments.length; i++)
       
   406 	gcd = sc_euclid_gcd(gcd, arguments[i]);
       
   407     return gcd;
       
   408 }
       
   409 
       
   410 /*** META ((export #t)) */
       
   411 function sc_lcm() {
       
   412     var lcm = 1;
       
   413     for (var i = 0; i < arguments.length; i++) {
       
   414 	var f = Math.round(arguments[i] / sc_euclid_gcd(arguments[i], lcm));
       
   415 	lcm *= Math.abs(f);
       
   416     }
       
   417     return lcm;
       
   418 }
       
   419 
       
   420 // LIMITATION: numerator and denominator don't make sense in floating point world.
       
   421 //var SC_MAX_DECIMALS = 1000000
       
   422 //
       
   423 // function sc_numerator(x) {
       
   424 //     var rounded = Math.round(x * SC_MAX_DECIMALS);
       
   425 //     return Math.round(rounded / sc_euclid_gcd(rounded, SC_MAX_DECIMALS));
       
   426 // }
       
   427 
       
   428 // function sc_denominator(x) {
       
   429 //     var rounded = Math.round(x * SC_MAX_DECIMALS);
       
   430 //     return Math.round(SC_MAX_DECIMALS / sc_euclid_gcd(rounded, SC_MAX_DECIMALS));
       
   431 // }
       
   432 
       
   433 /*** META ((export #t)) */
       
   434 var sc_floor = Math.floor;
       
   435 /*** META ((export #t)) */
       
   436 var sc_ceiling = Math.ceil;
       
   437 /*** META ((export #t)) */
       
   438 var sc_truncate = parseInt;
       
   439 /*** META ((export #t)) */
       
   440 var sc_round = Math.round;
       
   441 
       
   442 // LIMITATION: sc_rationalize doesn't make sense in a floating point world.
       
   443 
       
   444 /*** META ((export #t)) */
       
   445 var sc_exp = Math.exp;
       
   446 /*** META ((export #t)) */
       
   447 var sc_log = Math.log;
       
   448 /*** META ((export #t)) */
       
   449 var sc_sin = Math.sin;
       
   450 /*** META ((export #t)) */
       
   451 var sc_cos = Math.cos;
       
   452 /*** META ((export #t)) */
       
   453 var sc_tan = Math.tan;
       
   454 /*** META ((export #t)) */
       
   455 var sc_asin = Math.asin;
       
   456 /*** META ((export #t)) */
       
   457 var sc_acos = Math.acos;
       
   458 /*** META ((export #t)) */
       
   459 var sc_atan = Math.atan;
       
   460 
       
   461 /*** META ((export #t)) */
       
   462 var sc_sqrt = Math.sqrt;
       
   463 /*** META ((export #t)) */
       
   464 var sc_expt = Math.pow;
       
   465 
       
   466 // LIMITATION: we don't have complex numbers.
       
   467 // LIMITATION: the following functions are hence not implemented.
       
   468 // LIMITATION: make-rectangular, make-polar, real-part, imag-part, magnitude, angle
       
   469 // LIMITATION: 2 argument atan
       
   470 
       
   471 /*** META ((export #t)
       
   472            (peephole (id)))
       
   473 */
       
   474 function sc_exact2inexact(x) {
       
   475     return x;
       
   476 }
       
   477 
       
   478 /*** META ((export #t)
       
   479            (peephole (id)))
       
   480 */
       
   481 function sc_inexact2exact(x) {
       
   482     return x;
       
   483 }
       
   484 
       
   485 function sc_number2jsstring(x, radix) {
       
   486     if (radix)
       
   487 	return x.toString(radix);
       
   488     else
       
   489 	return x.toString();
       
   490 }
       
   491 
       
   492 function sc_jsstring2number(s, radix) {
       
   493     if (s === "") return false;
       
   494 
       
   495     if (radix) {
       
   496 	var t = parseInt(s, radix);
       
   497 	if (!t && t !== 0) return false;
       
   498 	// verify that each char is in range. (parseInt ignores leading
       
   499 	// white and trailing chars)
       
   500 	var allowedChars = "01234567890abcdefghijklmnopqrstuvwxyz".substring(0, radix+1);
       
   501 	if ((new RegExp("^["+allowedChars+"]*$", "i")).test(s))
       
   502 	    return t;
       
   503 	else return false;
       
   504     } else {
       
   505 	var t = +s; // does not ignore trailing chars.
       
   506 	if (!t && t !== 0) return false;
       
   507 	// simply verify that first char is not whitespace.
       
   508 	var c = s.charAt(0);
       
   509 	// if +c is 0, but the char is not "0", then we have a whitespace.
       
   510 	if (+c === 0 && c !== "0") return false;
       
   511 	return t;
       
   512     }
       
   513 }
       
   514 
       
   515 /*** META ((export #t)
       
   516            (type bool)
       
   517            (peephole (not)))
       
   518 */
       
   519 function sc_not(b) {
       
   520     return b === false;
       
   521 }
       
   522 
       
   523 /*** META ((export #t)
       
   524            (type bool))
       
   525 */
       
   526 function sc_isBoolean(b) {
       
   527     return (b === true) || (b === false);
       
   528 }
       
   529 
       
   530 function sc_Pair(car, cdr) {
       
   531     this.car = car;
       
   532     this.cdr = cdr;
       
   533 }
       
   534 
       
   535 sc_Pair.prototype.toString = function() {
       
   536     return sc_toDisplayString(this);
       
   537 };
       
   538 sc_Pair.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) {
       
   539     var current = this;
       
   540 
       
   541     var res = "(";
       
   542 
       
   543     while(true) {
       
   544 	res += writeOrDisplay(current.car);
       
   545 	if (sc_isPair(current.cdr)) {
       
   546 	    res += " ";
       
   547 	    current = current.cdr;
       
   548 	} else if (current.cdr !== null) {
       
   549 	    res += " . " + writeOrDisplay(current.cdr);
       
   550 	    break;
       
   551 	} else // current.cdr == null
       
   552 	    break;
       
   553     }
       
   554 	
       
   555     res += ")";
       
   556 
       
   557     return res;
       
   558 };
       
   559 sc_Pair.prototype.sc_toDisplayString = function() {
       
   560     return this.sc_toWriteOrDisplayString(sc_toDisplayString);
       
   561 };
       
   562 sc_Pair.prototype.sc_toWriteString = function() {
       
   563     return this.sc_toWriteOrDisplayString(sc_toWriteString);
       
   564 };
       
   565 // sc_Pair.prototype.sc_toWriteCircleString in IO.js
       
   566 
       
   567 /*** META ((export #t)
       
   568            (type bool)
       
   569            (peephole (postfix " instanceof sc_Pair")))
       
   570 */
       
   571 function sc_isPair(p) {
       
   572     return (p instanceof sc_Pair);
       
   573 }
       
   574 
       
   575 function sc_isPairEqual(p1, p2, comp) {
       
   576     return (comp(p1.car, p2.car) && comp(p1.cdr, p2.cdr));
       
   577 }
       
   578 
       
   579 /*** META ((export #t)
       
   580            (peephole (hole 2 "new sc_Pair(" car ", " cdr ")")))
       
   581 */
       
   582 function sc_cons(car, cdr) {
       
   583     return new sc_Pair(car, cdr);
       
   584 }
       
   585 
       
   586 /*** META ((export cons*)) */
       
   587 function sc_consStar() {
       
   588     var res = arguments[arguments.length - 1];
       
   589     for (var i = arguments.length-2; i >= 0; i--)
       
   590 	res = new sc_Pair(arguments[i], res);
       
   591     return res;
       
   592 }
       
   593 
       
   594 /*** META ((export #t)
       
   595            (peephole (postfix ".car")))
       
   596 */
       
   597 function sc_car(p) {
       
   598     return p.car;
       
   599 }
       
   600 
       
   601 /*** META ((export #t)
       
   602            (peephole (postfix ".cdr")))
       
   603 */
       
   604 function sc_cdr(p) {
       
   605     return p.cdr;
       
   606 }
       
   607 
       
   608 /*** META ((export #t)
       
   609            (peephole (hole 2 p ".car = " val)))
       
   610 */
       
   611 function sc_setCarBang(p, val) {
       
   612     p.car = val;
       
   613 }
       
   614 
       
   615 /*** META ((export #t)
       
   616            (peephole (hole 2 p ".cdr = " val)))
       
   617 */
       
   618 function sc_setCdrBang(p, val) {
       
   619     p.cdr = val;
       
   620 }
       
   621 
       
   622 /*** META ((export #t)
       
   623            (peephole (postfix ".car.car")))
       
   624 */
       
   625 function sc_caar(p) { return p.car.car; }
       
   626 /*** META ((export #t)
       
   627            (peephole (postfix ".cdr.car")))
       
   628 */
       
   629 function sc_cadr(p) { return p.cdr.car; }
       
   630 /*** META ((export #t)
       
   631            (peephole (postfix ".car.cdr")))
       
   632 */
       
   633 function sc_cdar(p) { return p.car.cdr; }
       
   634 /*** META ((export #t)
       
   635            (peephole (postfix ".cdr.cdr")))
       
   636 */
       
   637 function sc_cddr(p) { return p.cdr.cdr; }
       
   638 /*** META ((export #t)
       
   639            (peephole (postfix ".car.car.car")))
       
   640 */
       
   641 function sc_caaar(p) { return p.car.car.car; }
       
   642 /*** META ((export #t)
       
   643            (peephole (postfix ".car.cdr.car")))
       
   644 */
       
   645 function sc_cadar(p) { return p.car.cdr.car; }
       
   646 /*** META ((export #t)
       
   647            (peephole (postfix ".cdr.car.car")))
       
   648 */
       
   649 function sc_caadr(p) { return p.cdr.car.car; }
       
   650 /*** META ((export #t)
       
   651            (peephole (postfix ".cdr.cdr.car")))
       
   652 */
       
   653 function sc_caddr(p) { return p.cdr.cdr.car; }
       
   654 /*** META ((export #t)
       
   655            (peephole (postfix ".car.car.cdr")))
       
   656 */
       
   657 function sc_cdaar(p) { return p.car.car.cdr; }
       
   658 /*** META ((export #t)
       
   659            (peephole (postfix ".cdr.car.cdr")))
       
   660 */
       
   661 function sc_cdadr(p) { return p.cdr.car.cdr; }
       
   662 /*** META ((export #t)
       
   663            (peephole (postfix ".car.cdr.cdr")))
       
   664 */
       
   665 function sc_cddar(p) { return p.car.cdr.cdr; }
       
   666 /*** META ((export #t)
       
   667            (peephole (postfix ".cdr.cdr.cdr")))
       
   668 */
       
   669 function sc_cdddr(p) { return p.cdr.cdr.cdr; }
       
   670 /*** META ((export #t)
       
   671            (peephole (postfix ".car.car.car.car")))
       
   672 */
       
   673 function sc_caaaar(p) { return p.car.car.car.car; }
       
   674 /*** META ((export #t)
       
   675            (peephole (postfix ".car.cdr.car.car")))
       
   676 */
       
   677 function sc_caadar(p) { return p.car.cdr.car.car; }
       
   678 /*** META ((export #t)
       
   679            (peephole (postfix ".cdr.car.car.car")))
       
   680 */
       
   681 function sc_caaadr(p) { return p.cdr.car.car.car; }
       
   682 /*** META ((export #t)
       
   683            (peephole (postfix ".cdr.cdr.car.car")))
       
   684 */
       
   685 function sc_caaddr(p) { return p.cdr.cdr.car.car; }
       
   686 /*** META ((export #t)
       
   687            (peephole (postfix ".car.car.car.cdr")))
       
   688 */
       
   689 function sc_cdaaar(p) { return p.car.car.car.cdr; }
       
   690 /*** META ((export #t)
       
   691            (peephole (postfix ".car.cdr.car.cdr")))
       
   692 */
       
   693 function sc_cdadar(p) { return p.car.cdr.car.cdr; }
       
   694 /*** META ((export #t)
       
   695            (peephole (postfix ".cdr.car.car.cdr")))
       
   696 */
       
   697 function sc_cdaadr(p) { return p.cdr.car.car.cdr; }
       
   698 /*** META ((export #t)
       
   699            (peephole (postfix ".cdr.cdr.car.cdr")))
       
   700 */
       
   701 function sc_cdaddr(p) { return p.cdr.cdr.car.cdr; }
       
   702 /*** META ((export #t)
       
   703            (peephole (postfix ".car.car.cdr.car")))
       
   704 */
       
   705 function sc_cadaar(p) { return p.car.car.cdr.car; }
       
   706 /*** META ((export #t)
       
   707            (peephole (postfix ".car.cdr.cdr.car")))
       
   708 */
       
   709 function sc_caddar(p) { return p.car.cdr.cdr.car; }
       
   710 /*** META ((export #t)
       
   711            (peephole (postfix ".cdr.car.cdr.car")))
       
   712 */
       
   713 function sc_cadadr(p) { return p.cdr.car.cdr.car; }
       
   714 /*** META ((export #t)
       
   715            (peephole (postfix ".cdr.cdr.cdr.car")))
       
   716 */
       
   717 function sc_cadddr(p) { return p.cdr.cdr.cdr.car; }
       
   718 /*** META ((export #t)
       
   719            (peephole (postfix ".car.car.cdr.cdr")))
       
   720 */
       
   721 function sc_cddaar(p) { return p.car.car.cdr.cdr; }
       
   722 /*** META ((export #t)
       
   723            (peephole (postfix ".car.cdr.cdr.cdr")))
       
   724 */
       
   725 function sc_cdddar(p) { return p.car.cdr.cdr.cdr; }
       
   726 /*** META ((export #t)
       
   727            (peephole (postfix ".cdr.car.cdr.cdr")))
       
   728 */
       
   729 function sc_cddadr(p) { return p.cdr.car.cdr.cdr; }
       
   730 /*** META ((export #t)
       
   731            (peephole (postfix ".cdr.cdr.cdr.cdr")))
       
   732 */
       
   733 function sc_cddddr(p) { return p.cdr.cdr.cdr.cdr; }
       
   734 
       
   735 /*** META ((export #t)) */
       
   736 function sc_lastPair(l) {
       
   737     if (!sc_isPair(l)) sc_error("sc_lastPair: pair expected");
       
   738     var res = l;
       
   739     var cdr = l.cdr;
       
   740     while (sc_isPair(cdr)) {
       
   741 	res = cdr;
       
   742 	cdr = res.cdr;
       
   743     }
       
   744     return res;
       
   745 }
       
   746 
       
   747 /*** META ((export #t)
       
   748            (type bool)
       
   749            (peephole (postfix " === null")))
       
   750 */
       
   751 function sc_isNull(o) {
       
   752     return (o === null);
       
   753 }
       
   754 
       
   755 /*** META ((export #t)
       
   756            (type bool))
       
   757 */
       
   758 function sc_isList(o) {
       
   759     var rabbit;
       
   760     var turtle;
       
   761 
       
   762     var rabbit = o;
       
   763     var turtle = o;
       
   764     while (true) {
       
   765 	if (rabbit === null ||
       
   766 	    (rabbit instanceof sc_Pair && rabbit.cdr === null))
       
   767 	    return true;  // end of list
       
   768 	else if ((rabbit instanceof sc_Pair) &&
       
   769 		 (rabbit.cdr instanceof sc_Pair)) {
       
   770 	    rabbit = rabbit.cdr.cdr;
       
   771 	    turtle = turtle.cdr;
       
   772 	    if (rabbit === turtle) return false; // cycle
       
   773 	} else
       
   774 	    return false; // not pair
       
   775     }
       
   776 }
       
   777 
       
   778 /*** META ((export #t)) */
       
   779 function sc_list() {
       
   780     var res = null;
       
   781     var a = arguments;
       
   782     for (var i = a.length-1; i >= 0; i--)
       
   783 	res = new sc_Pair(a[i], res);
       
   784     return res;
       
   785 }
       
   786 
       
   787 /*** META ((export #t)) */
       
   788 function sc_iota(num, init) {
       
   789    var res = null;
       
   790    if (!init) init = 0;
       
   791    for (var i = num - 1; i >= 0; i--)
       
   792       res = new sc_Pair(i + init, res);
       
   793    return res;
       
   794 }
       
   795 
       
   796 /*** META ((export #t)) */
       
   797 function sc_makeList(nbEls, fill) {
       
   798     var res = null;
       
   799     for (var i = 0; i < nbEls; i++)
       
   800 	res = new sc_Pair(fill, res);
       
   801     return res;
       
   802 }
       
   803 
       
   804 /*** META ((export #t)) */
       
   805 function sc_length(l) {
       
   806     var res = 0;
       
   807     while (l !== null) {
       
   808 	res++;
       
   809 	l = l.cdr;
       
   810     }
       
   811     return res;
       
   812 }
       
   813 
       
   814 /*** META ((export #t)) */
       
   815 function sc_remq(o, l) {
       
   816     var dummy = { cdr : null };
       
   817     var tail = dummy;
       
   818     while (l !== null) {
       
   819 	if (l.car !== o) {
       
   820 	    tail.cdr = sc_cons(l.car, null);
       
   821 	    tail = tail.cdr;
       
   822 	}
       
   823 	l = l.cdr;
       
   824     }
       
   825     return dummy.cdr;
       
   826 }
       
   827 
       
   828 /*** META ((export #t)) */
       
   829 function sc_remqBang(o, l) {
       
   830     var dummy = { cdr : null };
       
   831     var tail = dummy;
       
   832     var needsAssig = true;
       
   833     while (l !== null) {
       
   834 	if (l.car === o) {
       
   835 	    needsAssig = true;
       
   836 	} else {
       
   837 	    if (needsAssig) {
       
   838 		tail.cdr = l;
       
   839 		needsAssig = false;
       
   840 	    }
       
   841 	    tail = l;
       
   842 	}
       
   843 	l = l.cdr;
       
   844     }
       
   845     tail.cdr = null;
       
   846     return dummy.cdr;
       
   847 }
       
   848 
       
   849 /*** META ((export #t)) */
       
   850 function sc_delete(o, l) {
       
   851     var dummy = { cdr : null };
       
   852     var tail = dummy;
       
   853     while (l !== null) {
       
   854 	if (!sc_isEqual(l.car, o)) {
       
   855 	    tail.cdr = sc_cons(l.car, null);
       
   856 	    tail = tail.cdr;
       
   857 	}
       
   858 	l = l.cdr;
       
   859     }
       
   860     return dummy.cdr;
       
   861 }
       
   862 
       
   863 /*** META ((export #t)) */
       
   864 function sc_deleteBang(o, l) {
       
   865     var dummy = { cdr : null };
       
   866     var tail = dummy;
       
   867     var needsAssig = true;
       
   868     while (l !== null) {
       
   869 	if (sc_isEqual(l.car, o)) {
       
   870 	    needsAssig = true;
       
   871 	} else {
       
   872 	    if (needsAssig) {
       
   873 		tail.cdr = l;
       
   874 		needsAssig = false;
       
   875 	    }
       
   876 	    tail = l;
       
   877 	}
       
   878 	l = l.cdr;
       
   879     }
       
   880     tail.cdr = null;
       
   881     return dummy.cdr;
       
   882 }
       
   883 
       
   884 function sc_reverseAppendBang(l1, l2) {
       
   885     var res = l2;
       
   886     while (l1 !== null) {
       
   887 	var tmp = res;
       
   888 	res = l1;
       
   889 	l1 = l1.cdr;
       
   890 	res.cdr = tmp;
       
   891     }
       
   892     return res;
       
   893 }
       
   894 	
       
   895 function sc_dualAppend(l1, l2) {
       
   896     if (l1 === null) return l2;
       
   897     if (l2 === null) return l1;
       
   898     var rev = sc_reverse(l1);
       
   899     return sc_reverseAppendBang(rev, l2);
       
   900 }
       
   901 
       
   902 /*** META ((export #t)) */
       
   903 function sc_append() {
       
   904     if (arguments.length === 0)
       
   905 	return null;
       
   906     var res = arguments[arguments.length - 1];
       
   907     for (var i = arguments.length - 2; i >= 0; i--)
       
   908 	res = sc_dualAppend(arguments[i], res);
       
   909     return res;
       
   910 }
       
   911 
       
   912 function sc_dualAppendBang(l1, l2) {
       
   913     if (l1 === null) return l2;
       
   914     if (l2 === null) return l1;
       
   915     var tmp = l1;
       
   916     while (tmp.cdr !== null) tmp=tmp.cdr;
       
   917     tmp.cdr = l2;
       
   918     return l1;
       
   919 }
       
   920     
       
   921 /*** META ((export #t)) */
       
   922 function sc_appendBang() {
       
   923     var res = null;
       
   924     for (var i = 0; i < arguments.length; i++)
       
   925 	res = sc_dualAppendBang(res, arguments[i]);
       
   926     return res;
       
   927 }
       
   928 
       
   929 /*** META ((export #t)) */
       
   930 function sc_reverse(l1) {
       
   931     var res = null;
       
   932     while (l1 !== null) {
       
   933 	res = sc_cons(l1.car, res);
       
   934 	l1 = l1.cdr;
       
   935     }
       
   936     return res;
       
   937 }
       
   938 
       
   939 /*** META ((export #t)) */
       
   940 function sc_reverseBang(l) {
       
   941     return sc_reverseAppendBang(l, null);
       
   942 }
       
   943 
       
   944 /*** META ((export #t)) */
       
   945 function sc_listTail(l, k) {
       
   946     var res = l;
       
   947     for (var i = 0; i < k; i++) {
       
   948 	res = res.cdr;
       
   949     }
       
   950     return res;
       
   951 }
       
   952 
       
   953 /*** META ((export #t)) */
       
   954 function sc_listRef(l, k) {
       
   955     return sc_listTail(l, k).car;
       
   956 }
       
   957 
       
   958 /* // unoptimized generic versions
       
   959 function sc_memX(o, l, comp) {
       
   960     while (l != null) {
       
   961 	if (comp(l.car, o))
       
   962 	    return l;
       
   963 	l = l.cdr;
       
   964     }
       
   965     return false;
       
   966 }
       
   967 function sc_memq(o, l) { return sc_memX(o, l, sc_isEq); }
       
   968 function sc_memv(o, l) { return sc_memX(o, l, sc_isEqv); }
       
   969 function sc_member(o, l) { return sc_memX(o, l, sc_isEqual); }
       
   970 */
       
   971 
       
   972 /* optimized versions */
       
   973 /*** META ((export #t)) */
       
   974 function sc_memq(o, l) {
       
   975     while (l !== null) {
       
   976 	if (l.car === o)
       
   977 	    return l;
       
   978 	l = l.cdr;
       
   979     }
       
   980     return false;
       
   981 }
       
   982 /*** META ((export #t)) */
       
   983 function sc_memv(o, l) {
       
   984     while (l !== null) {
       
   985 	if (l.car === o)
       
   986 	    return l;
       
   987 	l = l.cdr;
       
   988     }
       
   989     return false;
       
   990 }
       
   991 /*** META ((export #t)) */
       
   992 function sc_member(o, l) {
       
   993     while (l !== null) {
       
   994 	if (sc_isEqual(l.car,o))
       
   995 	    return l;
       
   996 	l = l.cdr;
       
   997     }
       
   998     return false;
       
   999 }
       
  1000 
       
  1001 /* // generic unoptimized versions
       
  1002 function sc_assX(o, al, comp) {
       
  1003     while (al != null) {
       
  1004 	if (comp(al.car.car, o))
       
  1005 	    return al.car;
       
  1006 	al = al.cdr;
       
  1007     }
       
  1008     return false;
       
  1009 }
       
  1010 function sc_assq(o, al) { return sc_assX(o, al, sc_isEq); }
       
  1011 function sc_assv(o, al) { return sc_assX(o, al, sc_isEqv); }
       
  1012 function sc_assoc(o, al) { return sc_assX(o, al, sc_isEqual); }
       
  1013 */
       
  1014 // optimized versions
       
  1015 /*** META ((export #t)) */
       
  1016 function sc_assq(o, al) {
       
  1017     while (al !== null) {
       
  1018 	if (al.car.car === o)
       
  1019 	    return al.car;
       
  1020 	al = al.cdr;
       
  1021     }
       
  1022     return false;
       
  1023 }
       
  1024 /*** META ((export #t)) */
       
  1025 function sc_assv(o, al) {
       
  1026     while (al !== null) {
       
  1027 	if (al.car.car === o)
       
  1028 	    return al.car;
       
  1029 	al = al.cdr;
       
  1030     }
       
  1031     return false;
       
  1032 }
       
  1033 /*** META ((export #t)) */
       
  1034 function sc_assoc(o, al) {
       
  1035     while (al !== null) {
       
  1036 	if (sc_isEqual(al.car.car, o))
       
  1037 	    return al.car;
       
  1038 	al = al.cdr;
       
  1039     }
       
  1040     return false;
       
  1041 }
       
  1042 
       
  1043 /* can be used for mutable strings and characters */
       
  1044 function sc_isCharStringEqual(cs1, cs2) { return cs1.val === cs2.val; }
       
  1045 function sc_isCharStringLess(cs1, cs2) { return cs1.val < cs2.val; }
       
  1046 function sc_isCharStringGreater(cs1, cs2) { return cs1.val > cs2.val; }
       
  1047 function sc_isCharStringLessEqual(cs1, cs2) { return cs1.val <= cs2.val; }
       
  1048 function sc_isCharStringGreaterEqual(cs1, cs2) { return cs1.val >= cs2.val; }
       
  1049 function sc_isCharStringCIEqual(cs1, cs2)
       
  1050     { return cs1.val.toLowerCase() === cs2.val.toLowerCase(); }
       
  1051 function sc_isCharStringCILess(cs1, cs2)
       
  1052     { return cs1.val.toLowerCase() < cs2.val.toLowerCase(); }
       
  1053 function sc_isCharStringCIGreater(cs1, cs2)
       
  1054     { return cs1.val.toLowerCase() > cs2.val.toLowerCase(); }
       
  1055 function sc_isCharStringCILessEqual(cs1, cs2)
       
  1056     { return cs1.val.toLowerCase() <= cs2.val.toLowerCase(); }
       
  1057 function sc_isCharStringCIGreaterEqual(cs1, cs2)
       
  1058     { return cs1.val.toLowerCase() >= cs2.val.toLowerCase(); }
       
  1059 
       
  1060 
       
  1061 
       
  1062 
       
  1063 function sc_Char(c) {
       
  1064     var cached = sc_Char.lazy[c];
       
  1065     if (cached)
       
  1066 	return cached;
       
  1067     this.val = c;
       
  1068     sc_Char.lazy[c] = this;
       
  1069     // add return, so FF does not complain.
       
  1070     return undefined;
       
  1071 }
       
  1072 sc_Char.lazy = new Object();
       
  1073 // thanks to Eric
       
  1074 sc_Char.char2readable = {
       
  1075     "\000": "#\\null",
       
  1076     "\007": "#\\bell",
       
  1077     "\010": "#\\backspace",
       
  1078     "\011": "#\\tab",
       
  1079     "\012": "#\\newline",
       
  1080     "\014": "#\\page",
       
  1081     "\015": "#\\return",
       
  1082     "\033": "#\\escape",
       
  1083     "\040": "#\\space",
       
  1084     "\177": "#\\delete",
       
  1085 
       
  1086   /* poeticless names */
       
  1087     "\001": "#\\soh",
       
  1088     "\002": "#\\stx",
       
  1089     "\003": "#\\etx",
       
  1090     "\004": "#\\eot",
       
  1091     "\005": "#\\enq",
       
  1092     "\006": "#\\ack",
       
  1093 
       
  1094     "\013": "#\\vt",
       
  1095     "\016": "#\\so",
       
  1096     "\017": "#\\si",
       
  1097 
       
  1098     "\020": "#\\dle",
       
  1099     "\021": "#\\dc1",
       
  1100     "\022": "#\\dc2",
       
  1101     "\023": "#\\dc3",
       
  1102     "\024": "#\\dc4",
       
  1103     "\025": "#\\nak",
       
  1104     "\026": "#\\syn",
       
  1105     "\027": "#\\etb",
       
  1106 
       
  1107     "\030": "#\\can",
       
  1108     "\031": "#\\em",
       
  1109     "\032": "#\\sub",
       
  1110     "\033": "#\\esc",
       
  1111     "\034": "#\\fs",
       
  1112     "\035": "#\\gs",
       
  1113     "\036": "#\\rs",
       
  1114     "\037": "#\\us"};
       
  1115 
       
  1116 sc_Char.readable2char = {
       
  1117     "null": "\000",
       
  1118     "bell": "\007",
       
  1119     "backspace": "\010",
       
  1120     "tab": "\011",
       
  1121     "newline": "\012",
       
  1122     "page": "\014",
       
  1123     "return": "\015",
       
  1124     "escape": "\033",
       
  1125     "space": "\040",
       
  1126     "delete": "\000",
       
  1127     "soh": "\001",
       
  1128     "stx": "\002",
       
  1129     "etx": "\003",
       
  1130     "eot": "\004",
       
  1131     "enq": "\005",
       
  1132     "ack": "\006",
       
  1133     "bel": "\007",
       
  1134     "bs": "\010",
       
  1135     "ht": "\011",
       
  1136     "nl": "\012",
       
  1137     "vt": "\013",
       
  1138     "np": "\014",
       
  1139     "cr": "\015",
       
  1140     "so": "\016",
       
  1141     "si": "\017",
       
  1142     "dle": "\020",
       
  1143     "dc1": "\021",
       
  1144     "dc2": "\022",
       
  1145     "dc3": "\023",
       
  1146     "dc4": "\024",
       
  1147     "nak": "\025",
       
  1148     "syn": "\026",
       
  1149     "etb": "\027",
       
  1150     "can": "\030",
       
  1151     "em": "\031",
       
  1152     "sub": "\032",
       
  1153     "esc": "\033",
       
  1154     "fs": "\034",
       
  1155     "gs": "\035",
       
  1156     "rs": "\036",
       
  1157     "us": "\037",
       
  1158     "sp": "\040",
       
  1159     "del": "\177"};
       
  1160     
       
  1161 sc_Char.prototype.toString = function() {
       
  1162     return this.val;
       
  1163 };
       
  1164 // sc_toDisplayString == toString
       
  1165 sc_Char.prototype.sc_toWriteString = function() {
       
  1166     var entry = sc_Char.char2readable[this.val];
       
  1167     if (entry)
       
  1168 	return entry;
       
  1169     else
       
  1170 	return "#\\" + this.val;
       
  1171 };
       
  1172 
       
  1173 /*** META ((export #t)
       
  1174            (type bool)
       
  1175            (peephole (postfix "instanceof sc_Char")))
       
  1176 */
       
  1177 function sc_isChar(c) {
       
  1178     return (c instanceof sc_Char);
       
  1179 }
       
  1180 
       
  1181 /*** META ((export char=?)
       
  1182            (type bool)
       
  1183            (peephole (hole 2 c1 ".val === " c2 ".val")))
       
  1184 */
       
  1185 var sc_isCharEqual = sc_isCharStringEqual;
       
  1186 /*** META ((export char<?)
       
  1187            (type bool)
       
  1188            (peephole (hole 2 c1 ".val < " c2 ".val")))
       
  1189 */
       
  1190 var sc_isCharLess = sc_isCharStringLess;
       
  1191 /*** META ((export char>?)
       
  1192            (type bool)
       
  1193            (peephole (hole 2 c1 ".val > " c2 ".val")))
       
  1194 */
       
  1195 var sc_isCharGreater = sc_isCharStringGreater;
       
  1196 /*** META ((export char<=?)
       
  1197            (type bool)
       
  1198            (peephole (hole 2 c1 ".val <= " c2 ".val")))
       
  1199 */
       
  1200 var sc_isCharLessEqual = sc_isCharStringLessEqual;
       
  1201 /*** META ((export char>=?)
       
  1202            (type bool)
       
  1203            (peephole (hole 2 c1 ".val >= " c2 ".val")))
       
  1204 */
       
  1205 var sc_isCharGreaterEqual = sc_isCharStringGreaterEqual;
       
  1206 /*** META ((export char-ci=?)
       
  1207            (type bool)
       
  1208            (peephole (hole 2 c1 ".val.toLowerCase() === " c2 ".val.toLowerCase()")))
       
  1209 */
       
  1210 var sc_isCharCIEqual = sc_isCharStringCIEqual;
       
  1211 /*** META ((export char-ci<?)
       
  1212            (type bool)
       
  1213            (peephole (hole 2 c1 ".val.toLowerCase() < " c2 ".val.toLowerCase()")))
       
  1214 */
       
  1215 var sc_isCharCILess = sc_isCharStringCILess;
       
  1216 /*** META ((export char-ci>?)
       
  1217            (type bool)
       
  1218            (peephole (hole 2 c1 ".val.toLowerCase() > " c2 ".val.toLowerCase()")))
       
  1219 */
       
  1220 var sc_isCharCIGreater = sc_isCharStringCIGreater;
       
  1221 /*** META ((export char-ci<=?)
       
  1222            (type bool)
       
  1223            (peephole (hole 2 c1 ".val.toLowerCase() <= " c2 ".val.toLowerCase()")))
       
  1224 */
       
  1225 var sc_isCharCILessEqual = sc_isCharStringCILessEqual;
       
  1226 /*** META ((export char-ci>=?)
       
  1227            (type bool)
       
  1228            (peephole (hole 2 c1 ".val.toLowerCase() >= " c2 ".val.toLowerCase()")))
       
  1229 */
       
  1230 var sc_isCharCIGreaterEqual = sc_isCharStringCIGreaterEqual;
       
  1231 
       
  1232 var SC_NUMBER_CLASS = "0123456789";
       
  1233 var SC_WHITESPACE_CLASS = ' \r\n\t\f';
       
  1234 var SC_LOWER_CLASS = 'abcdefghijklmnopqrstuvwxyz';
       
  1235 var SC_UPPER_CLASS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
       
  1236 
       
  1237 function sc_isCharOfClass(c, cl) { return (cl.indexOf(c) != -1); }
       
  1238 /*** META ((export #t)
       
  1239            (type bool))
       
  1240 */
       
  1241 function sc_isCharAlphabetic(c)
       
  1242     { return sc_isCharOfClass(c.val, SC_LOWER_CLASS) ||
       
  1243 	  sc_isCharOfClass(c.val, SC_UPPER_CLASS); }
       
  1244 /*** META ((export #t)
       
  1245            (type bool)
       
  1246            (peephole (hole 1 "SC_NUMBER_CLASS.indexOf(" c ".val) != -1")))
       
  1247 */
       
  1248 function sc_isCharNumeric(c)
       
  1249     { return sc_isCharOfClass(c.val, SC_NUMBER_CLASS); }
       
  1250 /*** META ((export #t)
       
  1251            (type bool))
       
  1252 */
       
  1253 function sc_isCharWhitespace(c) {
       
  1254     var tmp = c.val;
       
  1255     return tmp === " " || tmp === "\r" || tmp === "\n" || tmp === "\t" || tmp === "\f";
       
  1256 }
       
  1257 /*** META ((export #t)
       
  1258            (type bool)
       
  1259            (peephole (hole 1 "SC_UPPER_CLASS.indexOf(" c ".val) != -1")))
       
  1260 */
       
  1261 function sc_isCharUpperCase(c)
       
  1262     { return sc_isCharOfClass(c.val, SC_UPPER_CLASS); }
       
  1263 /*** META ((export #t)
       
  1264            (type bool)
       
  1265            (peephole (hole 1 "SC_LOWER_CLASS.indexOf(" c ".val) != -1")))
       
  1266 */
       
  1267 function sc_isCharLowerCase(c)
       
  1268     { return sc_isCharOfClass(c.val, SC_LOWER_CLASS); }
       
  1269 
       
  1270 /*** META ((export #t)
       
  1271            (peephole (postfix ".val.charCodeAt(0)")))
       
  1272 */
       
  1273 function sc_char2integer(c)
       
  1274     { return c.val.charCodeAt(0); }
       
  1275 /*** META ((export #t)
       
  1276            (peephole (hole 1 "new sc_Char(String.fromCharCode(" n "))")))
       
  1277 */
       
  1278 function sc_integer2char(n)
       
  1279     { return new sc_Char(String.fromCharCode(n)); }
       
  1280 
       
  1281 /*** META ((export #t)
       
  1282            (peephole (hole 1 "new sc_Char(" c ".val.toUpperCase())")))
       
  1283 */
       
  1284 function sc_charUpcase(c)
       
  1285     { return new sc_Char(c.val.toUpperCase()); }
       
  1286 /*** META ((export #t)
       
  1287            (peephole (hole 1 "new sc_Char(" c ".val.toLowerCase())")))
       
  1288 */
       
  1289 function sc_charDowncase(c)
       
  1290     { return new sc_Char(c.val.toLowerCase()); }
       
  1291 
       
  1292 function sc_makeJSStringOfLength(k, c) {
       
  1293     var fill;
       
  1294     if (c === undefined)
       
  1295 	fill = " ";
       
  1296     else
       
  1297 	fill = c;
       
  1298     var res = "";
       
  1299     var len = 1;
       
  1300     // every round doubles the size of fill.
       
  1301     while (k >= len) {
       
  1302 	if (k & len)
       
  1303 	    res = res.concat(fill);
       
  1304 	fill = fill.concat(fill);
       
  1305 	len *= 2;
       
  1306     }
       
  1307     return res;
       
  1308 }
       
  1309 
       
  1310 function sc_makejsString(k, c) {
       
  1311     var fill;
       
  1312     if (c)
       
  1313 	fill = c.val;
       
  1314     else
       
  1315 	fill = " ";
       
  1316     return sc_makeJSStringOfLength(k, fill);
       
  1317 }
       
  1318 
       
  1319 function sc_jsstring2list(s) {
       
  1320     var res = null;
       
  1321     for (var i = s.length - 1; i >= 0; i--)
       
  1322 	res = sc_cons(new sc_Char(s.charAt(i)), res);
       
  1323     return res;
       
  1324 }
       
  1325 
       
  1326 function sc_list2jsstring(l) {
       
  1327     var a = new Array();
       
  1328     while(l !== null) {
       
  1329 	a.push(l.car.val);
       
  1330 	l = l.cdr;
       
  1331     }
       
  1332     return "".concat.apply("", a);
       
  1333 }
       
  1334 
       
  1335 var sc_Vector = Array;
       
  1336 
       
  1337 sc_Vector.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) {
       
  1338     if (this.length === 0) return "#()";
       
  1339 
       
  1340     var res = "#(" + writeOrDisplay(this[0]);
       
  1341     for (var i = 1; i < this.length; i++)
       
  1342 	res += " " + writeOrDisplay(this[i]);
       
  1343     res += ")";
       
  1344     return res;
       
  1345 };
       
  1346 sc_Vector.prototype.sc_toDisplayString = function() {
       
  1347     return this.sc_toWriteOrDisplayString(sc_toDisplayString);
       
  1348 };
       
  1349 sc_Vector.prototype.sc_toWriteString = function() {
       
  1350     return this.sc_toWriteOrDisplayString(sc_toWriteString);
       
  1351 };
       
  1352 
       
  1353 /*** META ((export vector? array?)
       
  1354            (type bool)
       
  1355            (peephole (postfix " instanceof sc_Vector")))
       
  1356 */
       
  1357 function sc_isVector(v) {
       
  1358     return (v instanceof sc_Vector);
       
  1359 }
       
  1360 
       
  1361 // only applies to vectors
       
  1362 function sc_isVectorEqual(v1, v2, comp) {
       
  1363     if (v1.length !== v2.length) return false;
       
  1364     for (var i = 0; i < v1.length; i++)
       
  1365 	if (!comp(v1[i], v2[i])) return false;
       
  1366     return true;
       
  1367 }
       
  1368 
       
  1369 /*** META ((export make-vector make-array)) */
       
  1370 function sc_makeVector(size, fill) {
       
  1371     var a = new sc_Vector(size);
       
  1372     if (fill !== undefined)
       
  1373 	sc_vectorFillBang(a, fill);
       
  1374     return a;
       
  1375 }
       
  1376 
       
  1377 /*** META ((export vector array)
       
  1378            (peephole (vector)))
       
  1379 */
       
  1380 function sc_vector() {
       
  1381     var a = new sc_Vector();
       
  1382     for (var i = 0; i < arguments.length; i++)
       
  1383 	a.push(arguments[i]);
       
  1384     return a;
       
  1385 }
       
  1386 
       
  1387 /*** META ((export vector-length array-length)
       
  1388            (peephole (postfix ".length")))
       
  1389 */
       
  1390 function sc_vectorLength(v) {
       
  1391     return v.length;
       
  1392 }
       
  1393 
       
  1394 /*** META ((export vector-ref array-ref)
       
  1395            (peephole (hole 2 v "[" pos "]")))
       
  1396 */
       
  1397 function sc_vectorRef(v, pos) {
       
  1398     return v[pos];
       
  1399 }
       
  1400 
       
  1401 /*** META ((export vector-set! array-set!)
       
  1402            (peephole (hole 3 v "[" pos "] = " val)))
       
  1403 */
       
  1404 function sc_vectorSetBang(v, pos, val) {
       
  1405     v[pos] = val;
       
  1406 }
       
  1407 
       
  1408 /*** META ((export vector->list array->list)) */
       
  1409 function sc_vector2list(a) {
       
  1410     var res = null;
       
  1411     for (var i = a.length-1; i >= 0; i--)
       
  1412 	res = sc_cons(a[i], res);
       
  1413     return res;
       
  1414 }
       
  1415 
       
  1416 /*** META ((export list->vector list->array)) */
       
  1417 function sc_list2vector(l) {
       
  1418     var a = new sc_Vector();
       
  1419     while(l !== null) {
       
  1420 	a.push(l.car);
       
  1421 	l = l.cdr;
       
  1422     }
       
  1423     return a;
       
  1424 }
       
  1425 
       
  1426 /*** META ((export vector-fill! array-fill!)) */
       
  1427 function sc_vectorFillBang(a, fill) {
       
  1428     for (var i = 0; i < a.length; i++)
       
  1429 	a[i] = fill;
       
  1430 }
       
  1431 
       
  1432 
       
  1433 /*** META ((export #t)) */
       
  1434 function sc_copyVector(a, len) {
       
  1435     if (len <= a.length)
       
  1436 	return a.slice(0, len);
       
  1437     else {
       
  1438 	var tmp = a.concat();
       
  1439 	tmp.length = len;
       
  1440 	return tmp;
       
  1441     }
       
  1442 }
       
  1443 
       
  1444 /*** META ((export #t)
       
  1445            (peephole (hole 3 a ".slice(" start "," end ")")))
       
  1446 */
       
  1447 function sc_vectorCopy(a, start, end) {
       
  1448     return a.slice(start, end);
       
  1449 }
       
  1450 
       
  1451 /*** META ((export #t)) */
       
  1452 function sc_vectorCopyBang(target, tstart, source, sstart, send) {
       
  1453     if (!sstart) sstart = 0;
       
  1454     if (!send) send = source.length;
       
  1455 
       
  1456     // if target == source we don't want to overwrite not yet copied elements.
       
  1457     if (tstart <= sstart) {
       
  1458 	for (var i = tstart, j = sstart; j < send; i++, j++) {
       
  1459 	    target[i] = source[j];
       
  1460 	}
       
  1461     } else {
       
  1462 	var diff = send - sstart;
       
  1463 	for (var i = tstart + diff - 1, j = send - 1;
       
  1464 	     j >= sstart;
       
  1465 	     i--, j--) {
       
  1466 	    target[i] = source[j];
       
  1467 	}
       
  1468     }
       
  1469     return target;
       
  1470 }
       
  1471 
       
  1472 /*** META ((export #t)
       
  1473            (type bool)
       
  1474            (peephole (hole 1 "typeof " o " === 'function'")))
       
  1475 */
       
  1476 function sc_isProcedure(o) {
       
  1477     return (typeof o === "function");
       
  1478 }
       
  1479 
       
  1480 /*** META ((export #t)) */
       
  1481 function sc_apply(proc) {
       
  1482     var args = new Array();
       
  1483     // first part of arguments are not in list-form.
       
  1484     for (var i = 1; i < arguments.length - 1; i++)
       
  1485 	args.push(arguments[i]);
       
  1486     var l = arguments[arguments.length - 1];
       
  1487     while (l !== null) {
       
  1488 	args.push(l.car);
       
  1489 	l = l.cdr;
       
  1490     }
       
  1491     return proc.apply(null, args);
       
  1492 }
       
  1493 
       
  1494 /*** META ((export #t)) */
       
  1495 function sc_map(proc, l1) {
       
  1496     if (l1 === undefined)
       
  1497 	return null;
       
  1498     // else
       
  1499     var nbApplyArgs = arguments.length - 1;
       
  1500     var applyArgs = new Array(nbApplyArgs);
       
  1501     var revres = null;
       
  1502     while (l1 !== null) {
       
  1503 	for (var i = 0; i < nbApplyArgs; i++) {
       
  1504 	    applyArgs[i] = arguments[i + 1].car;
       
  1505 	    arguments[i + 1] = arguments[i + 1].cdr;
       
  1506 	}
       
  1507 	revres = sc_cons(proc.apply(null, applyArgs), revres);
       
  1508     }
       
  1509     return sc_reverseAppendBang(revres, null);
       
  1510 }
       
  1511 
       
  1512 /*** META ((export #t)) */
       
  1513 function sc_mapBang(proc, l1) {
       
  1514     if (l1 === undefined)
       
  1515 	return null;
       
  1516     // else
       
  1517     var l1_orig = l1;
       
  1518     var nbApplyArgs = arguments.length - 1;
       
  1519     var applyArgs = new Array(nbApplyArgs);
       
  1520     while (l1 !== null) {
       
  1521 	var tmp = l1;
       
  1522 	for (var i = 0; i < nbApplyArgs; i++) {
       
  1523 	    applyArgs[i] = arguments[i + 1].car;
       
  1524 	    arguments[i + 1] = arguments[i + 1].cdr;
       
  1525 	}
       
  1526 	tmp.car = proc.apply(null, applyArgs);
       
  1527     }
       
  1528     return l1_orig;
       
  1529 }
       
  1530      
       
  1531 /*** META ((export #t)) */
       
  1532 function sc_forEach(proc, l1) {
       
  1533     if (l1 === undefined)
       
  1534 	return undefined;
       
  1535     // else
       
  1536     var nbApplyArgs = arguments.length - 1;
       
  1537     var applyArgs = new Array(nbApplyArgs);
       
  1538     while (l1 !== null) {
       
  1539 	for (var i = 0; i < nbApplyArgs; i++) {
       
  1540 	    applyArgs[i] = arguments[i + 1].car;
       
  1541 	    arguments[i + 1] = arguments[i + 1].cdr;
       
  1542 	}
       
  1543 	proc.apply(null, applyArgs);
       
  1544     }
       
  1545     // add return so FF does not complain.
       
  1546     return undefined;
       
  1547 }
       
  1548 
       
  1549 /*** META ((export #t)) */
       
  1550 function sc_filter(proc, l1) {
       
  1551     var dummy = { cdr : null };
       
  1552     var tail = dummy;
       
  1553     while (l1 !== null) {
       
  1554 	if (proc(l1.car) !== false) {
       
  1555 	    tail.cdr = sc_cons(l1.car, null);
       
  1556 	    tail = tail.cdr;
       
  1557 	}
       
  1558 	l1 = l1.cdr;
       
  1559     }
       
  1560     return dummy.cdr;
       
  1561 }
       
  1562 
       
  1563 /*** META ((export #t)) */
       
  1564 function sc_filterBang(proc, l1) {
       
  1565     var head = sc_cons("dummy", l1);
       
  1566     var it = head;
       
  1567     var next = l1;
       
  1568     while (next !== null) {
       
  1569         if (proc(next.car) !== false) {
       
  1570 	    it.cdr = next
       
  1571 	    it = next;
       
  1572 	}
       
  1573 	next = next.cdr;
       
  1574     }
       
  1575     it.cdr = null;
       
  1576     return head.cdr;
       
  1577 }
       
  1578 
       
  1579 function sc_filterMap1(proc, l1) {
       
  1580     var revres = null;
       
  1581     while (l1 !== null) {
       
  1582         var tmp = proc(l1.car)
       
  1583         if (tmp !== false) revres = sc_cons(tmp, revres);
       
  1584         l1 = l1.cdr;
       
  1585     }
       
  1586     return sc_reverseAppendBang(revres, null);
       
  1587 }
       
  1588 function sc_filterMap2(proc, l1, l2) {
       
  1589     var revres = null;
       
  1590     while (l1 !== null) {
       
  1591         var tmp = proc(l1.car, l2.car);
       
  1592         if(tmp !== false) revres = sc_cons(tmp, revres);
       
  1593 	l1 = l1.cdr;
       
  1594 	l2 = l2.cdr
       
  1595     }
       
  1596     return sc_reverseAppendBang(revres, null);
       
  1597 }
       
  1598 
       
  1599 /*** META ((export #t)) */
       
  1600 function sc_filterMap(proc, l1, l2, l3) {
       
  1601     if (l2 === undefined)
       
  1602 	return sc_filterMap1(proc, l1);
       
  1603     else if (l3 === undefined)
       
  1604 	return sc_filterMap2(proc, l1, l2);
       
  1605     // else
       
  1606     var nbApplyArgs = arguments.length - 1;
       
  1607     var applyArgs = new Array(nbApplyArgs);
       
  1608     var revres = null;
       
  1609     while (l1 !== null) {
       
  1610 	for (var i = 0; i < nbApplyArgs; i++) {
       
  1611 	    applyArgs[i] = arguments[i + 1].car;
       
  1612 	    arguments[i + 1] = arguments[i + 1].cdr;
       
  1613 	}
       
  1614 	var tmp = proc.apply(null, applyArgs);
       
  1615 	if(tmp !== false) revres = sc_cons(tmp, revres);
       
  1616     }
       
  1617     return sc_reverseAppendBang(revres, null);
       
  1618 }
       
  1619 
       
  1620 /*** META ((export #t)) */
       
  1621 function sc_any(proc, l) {
       
  1622     var revres = null;
       
  1623     while (l !== null) {
       
  1624         var tmp = proc(l.car);
       
  1625         if(tmp !== false) return tmp;
       
  1626 	l = l.cdr;
       
  1627     }
       
  1628     return false;
       
  1629 }
       
  1630 
       
  1631 /*** META ((export any?)
       
  1632            (peephole (hole 2 "sc_any(" proc "," l ") !== false")))
       
  1633 */
       
  1634 function sc_anyPred(proc, l) {
       
  1635     return sc_any(proc, l)!== false;
       
  1636 }
       
  1637 
       
  1638 /*** META ((export #t)) */
       
  1639 function sc_every(proc, l) {
       
  1640     var revres = null;
       
  1641     var tmp = true;
       
  1642     while (l !== null) {
       
  1643         tmp = proc(l.car);
       
  1644         if (tmp === false) return false;
       
  1645 	l = l.cdr;
       
  1646     }
       
  1647     return tmp;
       
  1648 }
       
  1649 
       
  1650 /*** META ((export every?)
       
  1651            (peephole (hole 2 "sc_every(" proc "," l ") !== false")))
       
  1652 */
       
  1653 function sc_everyPred(proc, l) {
       
  1654     var tmp = sc_every(proc, l);
       
  1655     if (tmp !== false) return true;
       
  1656     return false;
       
  1657 }
       
  1658 
       
  1659 /*** META ((export #t)
       
  1660            (peephole (postfix "()")))
       
  1661 */
       
  1662 function sc_force(o) {
       
  1663     return o();
       
  1664 }
       
  1665 
       
  1666 /*** META ((export #t)) */
       
  1667 function sc_makePromise(proc) {
       
  1668     var isResultReady = false;
       
  1669     var result = undefined;
       
  1670     return function() {
       
  1671 	if (!isResultReady) {
       
  1672 	    var tmp = proc();
       
  1673 	    if (!isResultReady) {
       
  1674 		isResultReady = true;
       
  1675 		result = tmp;
       
  1676 	    }
       
  1677 	}
       
  1678 	return result;
       
  1679     };
       
  1680 }
       
  1681 
       
  1682 function sc_Values(values) {
       
  1683     this.values = values;
       
  1684 }
       
  1685 
       
  1686 /*** META ((export #t)
       
  1687            (peephole (values)))
       
  1688 */
       
  1689 function sc_values() {
       
  1690     if (arguments.length === 1)
       
  1691 	return arguments[0];
       
  1692     else
       
  1693 	return new sc_Values(arguments);
       
  1694 }
       
  1695 
       
  1696 /*** META ((export #t)) */
       
  1697 function sc_callWithValues(producer, consumer) {
       
  1698     var produced = producer();
       
  1699     if (produced instanceof sc_Values)
       
  1700 	return consumer.apply(null, produced.values);
       
  1701     else
       
  1702 	return consumer(produced);
       
  1703 }
       
  1704 
       
  1705 /*** META ((export #t)) */
       
  1706 function sc_dynamicWind(before, thunk, after) {
       
  1707     before();
       
  1708     try {
       
  1709 	var res = thunk();
       
  1710 	return res;
       
  1711     } finally {
       
  1712 	after();
       
  1713     }
       
  1714 }
       
  1715 
       
  1716 
       
  1717 // TODO: eval/scheme-report-environment/null-environment/interaction-environment
       
  1718 
       
  1719 // LIMITATION: 'load' doesn't exist without files.
       
  1720 // LIMITATION: transcript-on/transcript-off doesn't exist without files.
       
  1721 
       
  1722 
       
  1723 function sc_Struct(name) {
       
  1724     this.name = name;
       
  1725 }
       
  1726 sc_Struct.prototype.sc_toDisplayString = function() {
       
  1727     return "#<struct" + sc_hash(this) + ">";
       
  1728 };
       
  1729 sc_Struct.prototype.sc_toWriteString = sc_Struct.prototype.sc_toDisplayString;
       
  1730 
       
  1731 /*** META ((export #t)
       
  1732            (peephole (hole 1 "new sc_Struct(" name ")")))
       
  1733 */
       
  1734 function sc_makeStruct(name) {
       
  1735     return new sc_Struct(name);
       
  1736 }
       
  1737 
       
  1738 /*** META ((export #t)
       
  1739            (type bool)
       
  1740            (peephole (postfix " instanceof sc_Struct")))
       
  1741 */
       
  1742 function sc_isStruct(o) {
       
  1743     return (o instanceof sc_Struct);
       
  1744 }
       
  1745 
       
  1746 /*** META ((export #t)
       
  1747            (type bool)
       
  1748            (peephole (hole 2 "(" 1 " instanceof sc_Struct) && ( " 1 ".name === " 0 ")")))
       
  1749 */
       
  1750 function sc_isStructNamed(name, s) {
       
  1751     return ((s instanceof sc_Struct) && (s.name === name));
       
  1752 }
       
  1753 
       
  1754 /*** META ((export struct-field)
       
  1755            (peephole (hole 3 0 "[" 2 "]")))
       
  1756 */
       
  1757 function sc_getStructField(s, name, field) {
       
  1758     return s[field];
       
  1759 }
       
  1760 
       
  1761 /*** META ((export struct-field-set!)
       
  1762            (peephole (hole 4 0 "[" 2 "] = " 3)))
       
  1763 */
       
  1764 function sc_setStructFieldBang(s, name, field, val) {
       
  1765     s[field] = val;
       
  1766 }
       
  1767 
       
  1768 /*** META ((export #t)
       
  1769            (peephole (prefix "~")))
       
  1770 */
       
  1771 function sc_bitNot(x) {
       
  1772     return ~x;
       
  1773 }
       
  1774 
       
  1775 /*** META ((export #t)
       
  1776            (peephole (infix 2 2 "&")))
       
  1777 */
       
  1778 function sc_bitAnd(x, y) {
       
  1779     return x & y;
       
  1780 }
       
  1781 
       
  1782 /*** META ((export #t)
       
  1783            (peephole (infix 2 2 "|")))
       
  1784 */
       
  1785 function sc_bitOr(x, y) {
       
  1786     return x | y;
       
  1787 }
       
  1788 
       
  1789 /*** META ((export #t)
       
  1790            (peephole (infix 2 2 "^")))
       
  1791 */
       
  1792 function sc_bitXor(x, y) {
       
  1793     return x ^ y;
       
  1794 }
       
  1795 
       
  1796 /*** META ((export #t)
       
  1797            (peephole (infix 2 2 "<<")))
       
  1798 */
       
  1799 function sc_bitLsh(x, y) {
       
  1800     return x << y;
       
  1801 }
       
  1802 
       
  1803 /*** META ((export #t)
       
  1804            (peephole (infix 2 2 ">>")))
       
  1805 */
       
  1806 function sc_bitRsh(x, y) {
       
  1807     return x >> y;
       
  1808 }
       
  1809 
       
  1810 /*** META ((export #t)
       
  1811            (peephole (infix 2 2 ">>>")))
       
  1812 */
       
  1813 function sc_bitUrsh(x, y) {
       
  1814     return x >>> y;
       
  1815 }
       
  1816 
       
  1817 /*** META ((export js-field js-property)
       
  1818            (peephole (hole 2 o "[" field "]")))
       
  1819 */
       
  1820 function sc_jsField(o, field) {
       
  1821     return o[field];
       
  1822 }
       
  1823 
       
  1824 /*** META ((export js-field-set! js-property-set!)
       
  1825            (peephole (hole 3 o "[" field "] = " val)))
       
  1826 */
       
  1827 function sc_setJsFieldBang(o, field, val) {
       
  1828     return o[field] = val;
       
  1829 }
       
  1830 
       
  1831 /*** META ((export js-field-delete! js-property-delete!)
       
  1832            (peephole (hole 2 "delete" o "[" field "]")))
       
  1833 */
       
  1834 function sc_deleteJsFieldBang(o, field) {
       
  1835     delete o[field];
       
  1836 }
       
  1837 
       
  1838 /*** META ((export #t)
       
  1839            (peephole (jsCall)))
       
  1840 */
       
  1841 function sc_jsCall(o, fun) {
       
  1842     var args = new Array();
       
  1843     for (var i = 2; i < arguments.length; i++)
       
  1844 	args[i-2] = arguments[i];
       
  1845     return fun.apply(o, args);
       
  1846 }
       
  1847 
       
  1848 /*** META ((export #t)
       
  1849            (peephole (jsMethodCall)))
       
  1850 */
       
  1851 function sc_jsMethodCall(o, field) {
       
  1852     var args = new Array();
       
  1853     for (var i = 2; i < arguments.length; i++)
       
  1854 	args[i-2] = arguments[i];
       
  1855     return o[field].apply(o, args);
       
  1856 }
       
  1857 
       
  1858 /*** META ((export new js-new)
       
  1859            (peephole (jsNew)))
       
  1860 */
       
  1861 function sc_jsNew(c) {
       
  1862     var evalStr = "new c(";
       
  1863     evalStr +=arguments.length > 1? "arguments[1]": "";
       
  1864     for (var i = 2; i < arguments.length; i++)
       
  1865 	evalStr += ", arguments[" + i + "]";
       
  1866     evalStr +=")";
       
  1867     return eval(evalStr);
       
  1868 }    
       
  1869 
       
  1870 // ======================== RegExp ====================
       
  1871 /*** META ((export #t)) */
       
  1872 function sc_pregexp(re) {
       
  1873     return new RegExp(sc_string2jsstring(re));
       
  1874 }
       
  1875 
       
  1876 /*** META ((export #t)) */
       
  1877 function sc_pregexpMatch(re, s) {
       
  1878     var reg = (re instanceof RegExp) ? re : sc_pregexp(re);
       
  1879     var tmp = reg.exec(sc_string2jsstring(s));
       
  1880     
       
  1881     if (tmp == null) return false;
       
  1882     
       
  1883     var res = null;
       
  1884     for (var i = tmp.length-1; i >= 0; i--) {
       
  1885 	if (tmp[i] !== null) {
       
  1886 	    res = sc_cons(sc_jsstring2string(tmp[i]), res);
       
  1887 	} else {
       
  1888 	    res = sc_cons(false, res);
       
  1889 	}
       
  1890     }
       
  1891     return res;
       
  1892 }
       
  1893    
       
  1894 /*** META ((export #t)) */
       
  1895 function sc_pregexpReplace(re, s1, s2) {
       
  1896    var reg;
       
  1897    var jss1 = sc_string2jsstring(s1);
       
  1898    var jss2 = sc_string2jsstring(s2);
       
  1899 
       
  1900    if (re instanceof RegExp) {
       
  1901        if (re.global)
       
  1902 	   reg = re;
       
  1903        else
       
  1904 	   reg = new RegExp(re.source);
       
  1905    } else {
       
  1906        reg = new RegExp(sc_string2jsstring(re));
       
  1907    }
       
  1908 
       
  1909    return jss1.replace(reg, jss2);
       
  1910 }
       
  1911    
       
  1912 /*** META ((export pregexp-replace*)) */
       
  1913 function sc_pregexpReplaceAll(re, s1, s2) {
       
  1914    var reg;
       
  1915    var jss1 = sc_string2jsstring(s1);
       
  1916    var jss2 = sc_string2jsstring(s2);
       
  1917 
       
  1918    if (re instanceof RegExp) {
       
  1919       if (re.global)
       
  1920 	  reg = re;
       
  1921       else
       
  1922 	  reg = new RegExp(re.source, "g");
       
  1923    } else {
       
  1924        reg = new RegExp(sc_string2jsstring(re), "g");
       
  1925    }
       
  1926 
       
  1927    return jss1.replace(reg, jss2);
       
  1928 }
       
  1929 
       
  1930 /*** META ((export #t)) */
       
  1931 function sc_pregexpSplit(re, s) {
       
  1932    var reg = ((re instanceof RegExp) ?
       
  1933 	      re :
       
  1934 	      new RegExp(sc_string2jsstring(re)));
       
  1935    var jss = sc_string2jsstring(s);
       
  1936    var tmp = jss.split(reg);
       
  1937 
       
  1938    if (tmp == null) return false;
       
  1939 
       
  1940    return sc_vector2list(tmp);
       
  1941 }
       
  1942    
       
  1943 
       
  1944 /* =========================================================================== */
       
  1945 /* Other library stuff */
       
  1946 /* =========================================================================== */
       
  1947 
       
  1948 /*** META ((export #t)
       
  1949            (peephole (hole 1 "Math.floor(Math.random()*" 'n ")")))
       
  1950 */
       
  1951 function sc_random(n) {
       
  1952     return Math.floor(Math.random()*n);
       
  1953 }
       
  1954 
       
  1955 /*** META ((export current-date)
       
  1956            (peephole (hole 0 "new Date()")))
       
  1957 */
       
  1958 function sc_currentDate() {
       
  1959    return new Date();
       
  1960 }
       
  1961 
       
  1962 function sc_Hashtable() {
       
  1963 }
       
  1964 sc_Hashtable.prototype.toString = function() {
       
  1965     return "#{%hashtable}";
       
  1966 };
       
  1967 // sc_toWriteString == sc_toDisplayString == toString
       
  1968 
       
  1969 function sc_HashtableElement(key, val) {
       
  1970     this.key = key;
       
  1971     this.val = val;
       
  1972 }
       
  1973 
       
  1974 /*** META ((export #t)
       
  1975            (peephole (hole 0 "new sc_Hashtable()")))
       
  1976 */
       
  1977 function sc_makeHashtable() {
       
  1978     return new sc_Hashtable();
       
  1979 }
       
  1980 
       
  1981 /*** META ((export #t)) */
       
  1982 function sc_hashtablePutBang(ht, key, val) {
       
  1983     var hash = sc_hash(key);
       
  1984     ht[hash] = new sc_HashtableElement(key, val);
       
  1985 }
       
  1986 
       
  1987 /*** META ((export #t)) */
       
  1988 function sc_hashtableGet(ht, key) {
       
  1989     var hash = sc_hash(key);
       
  1990     if (hash in ht)
       
  1991 	return ht[hash].val;
       
  1992     else
       
  1993 	return false;
       
  1994 }
       
  1995 
       
  1996 /*** META ((export #t)) */
       
  1997 function sc_hashtableForEach(ht, f) {
       
  1998     for (var v in ht) {
       
  1999 	if (ht[v] instanceof sc_HashtableElement)
       
  2000 	    f(ht[v].key, ht[v].val);
       
  2001     }
       
  2002 }
       
  2003 
       
  2004 /*** META ((export hashtable-contains?)
       
  2005            (peephole (hole 2 "sc_hash(" 1 ") in " 0)))
       
  2006 */
       
  2007 function sc_hashtableContains(ht, key) {
       
  2008     var hash = sc_hash(key);
       
  2009     if (hash in ht)
       
  2010 	return true;
       
  2011     else
       
  2012 	return false;
       
  2013 }
       
  2014 
       
  2015 var SC_HASH_COUNTER = 0;
       
  2016 
       
  2017 function sc_hash(o) {
       
  2018     if (o === null)
       
  2019 	return "null";
       
  2020     else if (o === undefined)
       
  2021 	return "undefined";
       
  2022     else if (o === true)
       
  2023 	return "true";
       
  2024     else if (o === false)
       
  2025 	return "false";
       
  2026     else if (typeof o === "number")
       
  2027 	return "num-" + o;
       
  2028     else if (typeof o === "string")
       
  2029 	return "jsstr-" + o;
       
  2030     else if (o.sc_getHash)
       
  2031 	return o.sc_getHash();
       
  2032     else
       
  2033 	return sc_counterHash.call(o);
       
  2034 }
       
  2035 function sc_counterHash() {
       
  2036     if (!this.sc_hash) {
       
  2037 	this.sc_hash = "hash-" + SC_HASH_COUNTER;
       
  2038 	SC_HASH_COUNTER++;
       
  2039     }
       
  2040     return this.sc_hash;
       
  2041 }
       
  2042 
       
  2043 function sc_Trampoline(args, maxTailCalls) {
       
  2044     this['__trampoline return__'] = true;
       
  2045     this.args = args;
       
  2046     this.MAX_TAIL_CALLs = maxTailCalls;
       
  2047 }
       
  2048 // TODO: call/cc stuff
       
  2049 sc_Trampoline.prototype.restart = function() {
       
  2050     var o = this;
       
  2051     while (true) {
       
  2052 	// set both globals.
       
  2053 	SC_TAIL_OBJECT.calls = o.MAX_TAIL_CALLs-1;
       
  2054 	var fun = o.args.callee;
       
  2055 	var res = fun.apply(SC_TAIL_OBJECT, o.args);
       
  2056 	if (res instanceof sc_Trampoline)
       
  2057 	    o = res;
       
  2058 	else
       
  2059 	    return res;
       
  2060     }
       
  2061 }
       
  2062 
       
  2063 /*** META ((export bind-exit-lambda)) */
       
  2064 function sc_bindExitLambda(proc) {
       
  2065     var escape_obj = new sc_BindExitException();
       
  2066     var escape = function(res) {
       
  2067 	escape_obj.res = res;
       
  2068 	throw escape_obj;
       
  2069     };
       
  2070     try {
       
  2071 	return proc(escape);
       
  2072     } catch(e) {
       
  2073 	if (e === escape_obj) {
       
  2074 	    return e.res;
       
  2075 	}
       
  2076 	throw e;
       
  2077     }
       
  2078 }
       
  2079 function sc_BindExitException() {
       
  2080     this._internalException = true;
       
  2081 }
       
  2082 
       
  2083 var SC_SCM2JS_GLOBALS = new Object();
       
  2084 
       
  2085 // default tail-call depth.
       
  2086 // normally the program should set it again. but just in case...
       
  2087 var SC_TAIL_OBJECT = new Object();
       
  2088 SC_SCM2JS_GLOBALS.TAIL_OBJECT = SC_TAIL_OBJECT;
       
  2089 // ======================== I/O =======================
       
  2090 
       
  2091 /*------------------------------------------------------------------*/
       
  2092 
       
  2093 function sc_EOF() {
       
  2094 }
       
  2095 var SC_EOF_OBJECT = new sc_EOF();
       
  2096 
       
  2097 function sc_Port() {
       
  2098 }
       
  2099 
       
  2100 /* --------------- Input ports -------------------------------------*/
       
  2101 
       
  2102 function sc_InputPort() {
       
  2103 }
       
  2104 sc_InputPort.prototype = new sc_Port();
       
  2105 
       
  2106 sc_InputPort.prototype.peekChar = function() {
       
  2107     if (!("peeked" in this))
       
  2108 	this.peeked = this.getNextChar();
       
  2109     return this.peeked;
       
  2110 }
       
  2111 sc_InputPort.prototype.readChar = function() {
       
  2112     var tmp = this.peekChar();
       
  2113     delete this.peeked;
       
  2114     return tmp;
       
  2115 }
       
  2116 sc_InputPort.prototype.isCharReady = function() {
       
  2117     return true;
       
  2118 }
       
  2119 sc_InputPort.prototype.close = function() {
       
  2120     // do nothing
       
  2121 }
       
  2122 
       
  2123 /* .............. String port ..........................*/
       
  2124 function sc_ErrorInputPort() {
       
  2125 };
       
  2126 sc_ErrorInputPort.prototype = new sc_InputPort();
       
  2127 sc_ErrorInputPort.prototype.getNextChar = function() {
       
  2128     throw "can't read from error-port.";
       
  2129 };
       
  2130 sc_ErrorInputPort.prototype.isCharReady = function() {
       
  2131     return false;
       
  2132 };
       
  2133     
       
  2134 
       
  2135 /* .............. String port ..........................*/
       
  2136 
       
  2137 function sc_StringInputPort(jsStr) {
       
  2138     // we are going to do some charAts on the str.
       
  2139     // instead of recreating all the time a String-object, we
       
  2140     // create one in the beginning. (not sure, if this is really an optim)
       
  2141     this.str = new String(jsStr);
       
  2142     this.pos = 0;
       
  2143 }
       
  2144 sc_StringInputPort.prototype = new sc_InputPort();
       
  2145 sc_StringInputPort.prototype.getNextChar = function() {
       
  2146     if (this.pos >= this.str.length)
       
  2147 	return SC_EOF_OBJECT;
       
  2148     return this.str.charAt(this.pos++);
       
  2149 };
       
  2150 
       
  2151 /* ------------- Read and other lib-funs  -------------------------------*/
       
  2152 function sc_Token(type, val, pos) {
       
  2153     this.type = type;
       
  2154     this.val = val;
       
  2155     this.pos = pos;
       
  2156 }
       
  2157 sc_Token.EOF = 0/*EOF*/;
       
  2158 sc_Token.OPEN_PAR = 1/*OPEN_PAR*/;
       
  2159 sc_Token.CLOSE_PAR = 2/*CLOSE_PAR*/;
       
  2160 sc_Token.OPEN_BRACE = 3/*OPEN_BRACE*/;
       
  2161 sc_Token.CLOSE_BRACE = 4/*CLOSE_BRACE*/;
       
  2162 sc_Token.OPEN_BRACKET = 5/*OPEN_BRACKET*/;
       
  2163 sc_Token.CLOSE_BRACKET = 6/*CLOSE_BRACKET*/;
       
  2164 sc_Token.WHITESPACE = 7/*WHITESPACE*/;
       
  2165 sc_Token.QUOTE = 8/*QUOTE*/;
       
  2166 sc_Token.ID = 9/*ID*/;
       
  2167 sc_Token.DOT = 10/*DOT*/;
       
  2168 sc_Token.STRING = 11/*STRING*/;
       
  2169 sc_Token.NUMBER = 12/*NUMBER*/;
       
  2170 sc_Token.ERROR = 13/*ERROR*/;
       
  2171 sc_Token.VECTOR_BEGIN = 14/*VECTOR_BEGIN*/;
       
  2172 sc_Token.TRUE = 15/*TRUE*/;
       
  2173 sc_Token.FALSE = 16/*FALSE*/;
       
  2174 sc_Token.UNSPECIFIED = 17/*UNSPECIFIED*/;
       
  2175 sc_Token.REFERENCE = 18/*REFERENCE*/;
       
  2176 sc_Token.STORE = 19/*STORE*/;
       
  2177 sc_Token.CHAR = 20/*CHAR*/;
       
  2178 
       
  2179 var SC_ID_CLASS = SC_LOWER_CLASS + SC_UPPER_CLASS + "!$%*+-./:<=>?@^_~";
       
  2180 function sc_Tokenizer(port) {
       
  2181     this.port = port;
       
  2182 }
       
  2183 sc_Tokenizer.prototype.peekToken = function() {
       
  2184     if (this.peeked)
       
  2185 	return this.peeked;
       
  2186     var newToken = this.nextToken();
       
  2187     this.peeked = newToken;
       
  2188     return newToken;
       
  2189 };
       
  2190 sc_Tokenizer.prototype.readToken = function() {
       
  2191     var tmp = this.peekToken();
       
  2192     delete this.peeked;
       
  2193     return tmp;
       
  2194 };
       
  2195 sc_Tokenizer.prototype.nextToken = function() {
       
  2196     var port = this.port;
       
  2197     
       
  2198     function isNumberChar(c) {
       
  2199 	return (c >= "0" && c <= "9");
       
  2200     };
       
  2201     function isIdOrNumberChar(c) {
       
  2202 	return SC_ID_CLASS.indexOf(c) != -1 || // ID-char
       
  2203 	    (c >= "0" && c <= "9");
       
  2204     }
       
  2205     function isWhitespace(c) {
       
  2206 	return c === " " || c === "\r" || c === "\n" || c === "\t" || c === "\f";
       
  2207     };
       
  2208     function isWhitespaceOrEOF(c) {
       
  2209 	return isWhitespace(c) || c === SC_EOF_OBJECT;
       
  2210     };
       
  2211 
       
  2212     function readString() {
       
  2213 	res = "";
       
  2214 	while (true) {
       
  2215 	    var c = port.readChar();
       
  2216 	    switch (c) {
       
  2217 	    case '"':
       
  2218 		return new sc_Token(11/*STRING*/, res);
       
  2219 	    case "\\":
       
  2220 		var tmp = port.readChar();
       
  2221 		switch (tmp) {
       
  2222 		case '0': res += "\0"; break;
       
  2223 		case 'a': res += "\a"; break;
       
  2224 		case 'b': res += "\b"; break;
       
  2225 		case 'f': res += "\f"; break;
       
  2226 		case 'n': res += "\n"; break;
       
  2227 		case 'r': res += "\r"; break;
       
  2228 		case 't': res += "\t"; break;
       
  2229 		case 'v': res += "\v"; break;
       
  2230 		case '"': res += '"'; break;
       
  2231 		case '\\': res += '\\'; break;
       
  2232 		case 'x':
       
  2233 		    /* hexa-number */
       
  2234 		    var nb = 0;
       
  2235 		    while (true) {
       
  2236 			var hexC = port.peekChar();
       
  2237 			if (hexC >= '0' && hexC <= '9') {
       
  2238 			    port.readChar();
       
  2239 			    nb = nb * 16 + hexC.charCodeAt(0) - '0'.charCodeAt(0);
       
  2240 			} else if (hexC >= 'a' && hexC <= 'f') {
       
  2241 			    port.readChar();
       
  2242 			    nb = nb * 16 + hexC.charCodeAt(0) - 'a'.charCodeAt(0);
       
  2243 			} else if (hexC >= 'A' && hexC <= 'F') {
       
  2244 			    port.readChar();
       
  2245 			    nb = nb * 16 + hexC.charCodeAt(0) - 'A'.charCodeAt(0);
       
  2246 			} else {
       
  2247 			    // next char isn't part of hex.
       
  2248 			    res += String.fromCharCode(nb);
       
  2249 			    break;
       
  2250 			}
       
  2251 		    }
       
  2252 		    break;
       
  2253 		default:
       
  2254 		    if (tmp === SC_EOF_OBJECT) {
       
  2255 			return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res);
       
  2256 		    }
       
  2257 		    res += tmp;
       
  2258 		}
       
  2259 		break;
       
  2260 	    default:
       
  2261 		if (c === SC_EOF_OBJECT) {
       
  2262 		    return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res);
       
  2263 		}
       
  2264 		res += c;
       
  2265 	    }
       
  2266 	}
       
  2267     };
       
  2268     function readIdOrNumber(firstChar) {
       
  2269 	var res = firstChar;
       
  2270 	while (isIdOrNumberChar(port.peekChar()))
       
  2271 	    res += port.readChar();
       
  2272 	if (isNaN(res))
       
  2273 	    return new sc_Token(9/*ID*/, res);
       
  2274 	else
       
  2275 	    return new sc_Token(12/*NUMBER*/, res - 0);
       
  2276     };
       
  2277     
       
  2278     function skipWhitespaceAndComments() {
       
  2279 	var done = false;
       
  2280 	while (!done) {
       
  2281 	    done = true;
       
  2282 	    while (isWhitespace(port.peekChar()))
       
  2283 		port.readChar();
       
  2284 	    if (port.peekChar() === ';') {
       
  2285 		port.readChar();
       
  2286 		done = false;
       
  2287 		while (true) {
       
  2288 		    curChar = port.readChar();
       
  2289 		    if (curChar === SC_EOF_OBJECT ||
       
  2290 			curChar === '\n')
       
  2291 			break;
       
  2292 		}
       
  2293 	    }
       
  2294 	}
       
  2295     };
       
  2296     
       
  2297     function readDot() {
       
  2298 	if (isWhitespace(port.peekChar()))
       
  2299 	    return new sc_Token(10/*DOT*/);
       
  2300 	else
       
  2301 	    return readIdOrNumber(".");
       
  2302     };
       
  2303 
       
  2304     function readSharp() {
       
  2305 	var c = port.readChar();
       
  2306 	if (isWhitespace(c))
       
  2307 	    return new sc_Token(13/*ERROR*/, "bad #-pattern0.");
       
  2308 
       
  2309 	// reference
       
  2310 	if (isNumberChar(c)) {
       
  2311 	    var nb = c - 0;
       
  2312 	    while (isNumberChar(port.peekChar()))
       
  2313 		nb = nb*10 + (port.readChar() - 0);
       
  2314 	    switch (port.readChar()) {
       
  2315 	    case '#':
       
  2316 		return new sc_Token(18/*REFERENCE*/, nb);
       
  2317 	    case '=':
       
  2318 		return new sc_Token(19/*STORE*/, nb);
       
  2319 	    default:
       
  2320 		return new sc_Token(13/*ERROR*/, "bad #-pattern1." + nb);
       
  2321 	    }
       
  2322 	}
       
  2323 
       
  2324 	if (c === "(")
       
  2325 	    return new sc_Token(14/*VECTOR_BEGIN*/);
       
  2326 	
       
  2327 	if (c === "\\") { // character
       
  2328 	    var tmp = ""
       
  2329 	    while (!isWhitespaceOrEOF(port.peekChar()))
       
  2330 		tmp += port.readChar();
       
  2331 	    switch (tmp.length) {
       
  2332 	    case 0: // it's escaping a whitespace char:
       
  2333 		if (sc_isEOFObject(port.peekChar))
       
  2334 		    return new sc_Token(13/*ERROR*/, "bad #-pattern2.");
       
  2335 		else
       
  2336 		    return new sc_Token(20/*CHAR*/, port.readChar());
       
  2337 	    case 1:
       
  2338 		return new sc_Token(20/*CHAR*/, tmp);
       
  2339 	    default:
       
  2340 		var entry = sc_Char.readable2char[tmp.toLowerCase()];
       
  2341 		if (entry)
       
  2342 		    return new sc_Token(20/*CHAR*/, entry);
       
  2343 		else
       
  2344 		    return new sc_Token(13/*ERROR*/, "unknown character description: #\\" + tmp);
       
  2345 	    }
       
  2346 	}
       
  2347 
       
  2348 	// some constants (#t, #f, #unspecified)
       
  2349 	var res;
       
  2350 	var needing;
       
  2351 	switch (c) {
       
  2352 	case 't': res = new sc_Token(15/*TRUE*/, true); needing = ""; break;
       
  2353 	case 'f': res = new sc_Token(16/*FALSE*/, false); needing = ""; break;
       
  2354 	case 'u': res = new sc_Token(17/*UNSPECIFIED*/, undefined); needing = "nspecified"; break;
       
  2355 	default:
       
  2356 	    return new sc_Token(13/*ERROR*/, "bad #-pattern3: " + c);
       
  2357 	}
       
  2358 	while(true) {
       
  2359 	    c = port.peekChar();
       
  2360 	    if ((isWhitespaceOrEOF(c) || c === ')') &&
       
  2361 		needing == "")
       
  2362 		return res;
       
  2363 	    else if (isWhitespace(c) || needing == "")
       
  2364 		return new sc_Token(13/*ERROR*/, "bad #-pattern4 " + c + " " + needing);
       
  2365 	    else if (needing.charAt(0) == c) {
       
  2366 		port.readChar(); // consume
       
  2367 		needing = needing.slice(1);
       
  2368 	    } else
       
  2369 		return new sc_Token(13/*ERROR*/, "bad #-pattern5");
       
  2370 	}
       
  2371 	
       
  2372     };
       
  2373 
       
  2374     skipWhitespaceAndComments();
       
  2375     var curChar = port.readChar();
       
  2376     if (curChar === SC_EOF_OBJECT)
       
  2377 	return new sc_Token(0/*EOF*/, curChar);
       
  2378     switch (curChar)
       
  2379     {
       
  2380     case " ":
       
  2381     case "\n":
       
  2382     case "\t":
       
  2383 	return readWhitespace();
       
  2384     case "(":
       
  2385 	return new sc_Token(1/*OPEN_PAR*/);
       
  2386     case ")":
       
  2387 	return new sc_Token(2/*CLOSE_PAR*/);
       
  2388     case "{":
       
  2389 	return new sc_Token(3/*OPEN_BRACE*/);
       
  2390     case "}":
       
  2391 	return new sc_Token(4/*CLOSE_BRACE*/);
       
  2392     case "[":
       
  2393 	return new sc_Token(5/*OPEN_BRACKET*/);
       
  2394     case "]":
       
  2395 	return new sc_Token(6/*CLOSE_BRACKET*/);
       
  2396     case "'":
       
  2397 	return new sc_Token(8/*QUOTE*/);
       
  2398     case "#":
       
  2399 	return readSharp();
       
  2400     case ".":
       
  2401 	return readDot();
       
  2402     case '"':
       
  2403 	return readString();
       
  2404     default:
       
  2405 	if (isIdOrNumberChar(curChar))
       
  2406 	    return readIdOrNumber(curChar);
       
  2407 	throw "unexpected character: " + curChar;
       
  2408     }
       
  2409 };
       
  2410 
       
  2411 function sc_Reader(tokenizer) {
       
  2412     this.tokenizer = tokenizer;
       
  2413     this.backref = new Array();
       
  2414 }
       
  2415 sc_Reader.prototype.read = function() {
       
  2416     function readList(listBeginType) {
       
  2417 	function matchesPeer(open, close) {
       
  2418 	    return open === 1/*OPEN_PAR*/ && close === 2/*CLOSE_PAR*/
       
  2419 	    	|| open === 3/*OPEN_BRACE*/ && close === 4/*CLOSE_BRACE*/
       
  2420 		|| open === 5/*OPEN_BRACKET*/ && close === 6/*CLOSE_BRACKET*/;
       
  2421 	};
       
  2422 	var res = null;
       
  2423 
       
  2424 	while (true) {
       
  2425 	    var token = tokenizer.peekToken();
       
  2426 	    
       
  2427 	    switch (token.type) {
       
  2428 	    case 2/*CLOSE_PAR*/:
       
  2429 	    case 4/*CLOSE_BRACE*/:
       
  2430 	    case 6/*CLOSE_BRACKET*/:
       
  2431 		if (matchesPeer(listBeginType, token.type)) {
       
  2432 		    tokenizer.readToken(); // consume token
       
  2433 		    return sc_reverseBang(res);
       
  2434 		} else
       
  2435 		    throw "closing par doesn't match: " + listBeginType
       
  2436 			+ " " + listEndType;
       
  2437 
       
  2438 	    case 0/*EOF*/:
       
  2439 		throw "unexpected end of file";
       
  2440 
       
  2441 	    case 10/*DOT*/:
       
  2442 		tokenizer.readToken(); // consume token
       
  2443 		var cdr = this.read();
       
  2444 		var par = tokenizer.readToken();
       
  2445 		if (!matchesPeer(listBeginType, par.type))
       
  2446 		    throw "closing par doesn't match: " + listBeginType
       
  2447 			+ " " + par.type;
       
  2448 		else
       
  2449 		    return sc_reverseAppendBang(res, cdr);
       
  2450 		
       
  2451 
       
  2452 	    default:
       
  2453 		res = sc_cons(this.read(), res);
       
  2454 	    }
       
  2455 	}
       
  2456     };
       
  2457     function readQuote() {
       
  2458 	return sc_cons("quote", sc_cons(this.read(), null));
       
  2459     };
       
  2460     function readVector() {
       
  2461 	// opening-parenthesis is already consumed
       
  2462 	var a = new Array();
       
  2463 	while (true) {
       
  2464 	    var token = tokenizer.peekToken();
       
  2465 	    switch (token.type) {
       
  2466 	    case 2/*CLOSE_PAR*/:
       
  2467 		tokenizer.readToken();
       
  2468 		return a;
       
  2469 		
       
  2470 	    default:
       
  2471 		a.push(this.read());
       
  2472 	    }
       
  2473 	}
       
  2474     };
       
  2475 
       
  2476     function storeRefence(nb) {
       
  2477 	var tmp = this.read();
       
  2478 	this.backref[nb] = tmp;
       
  2479 	return tmp;
       
  2480     };
       
  2481 	
       
  2482     function readReference(nb) {
       
  2483 	if (nb in this.backref)
       
  2484 	    return this.backref[nb];
       
  2485 	else
       
  2486 	    throw "bad reference: " + nb;
       
  2487     };
       
  2488     
       
  2489     var tokenizer = this.tokenizer;
       
  2490 
       
  2491     var token = tokenizer.readToken();
       
  2492 
       
  2493     // handle error
       
  2494     if (token.type === 13/*ERROR*/)
       
  2495 	throw token.val;
       
  2496     
       
  2497     switch (token.type) {
       
  2498     case 1/*OPEN_PAR*/:
       
  2499     case 3/*OPEN_BRACE*/:
       
  2500     case 5/*OPEN_BRACKET*/:
       
  2501 	return readList.call(this, token.type);
       
  2502     case 8/*QUOTE*/:
       
  2503 	return readQuote.call(this);
       
  2504     case 11/*STRING*/:
       
  2505 	return sc_jsstring2string(token.val);
       
  2506     case 20/*CHAR*/:
       
  2507 	return new sc_Char(token.val);
       
  2508     case 14/*VECTOR_BEGIN*/:
       
  2509 	return readVector.call(this);
       
  2510     case 18/*REFERENCE*/:
       
  2511 	return readReference.call(this, token.val);
       
  2512     case 19/*STORE*/:
       
  2513 	return storeRefence.call(this, token.val);
       
  2514     case 9/*ID*/:
       
  2515 	return sc_jsstring2symbol(token.val);
       
  2516     case 0/*EOF*/:
       
  2517     case 12/*NUMBER*/:
       
  2518     case 15/*TRUE*/:
       
  2519     case 16/*FALSE*/:
       
  2520     case 17/*UNSPECIFIED*/:
       
  2521 	return token.val;
       
  2522     default:
       
  2523 	throw "unexpected token " + token.type + " " + token.val;
       
  2524     }
       
  2525 };
       
  2526 
       
  2527 /*** META ((export #t)) */
       
  2528 function sc_read(port) {
       
  2529     if (port === undefined) // we assume the port hasn't been given.
       
  2530 	port = SC_DEFAULT_IN; // THREAD: shared var...
       
  2531     var reader = new sc_Reader(new sc_Tokenizer(port));
       
  2532     return reader.read();
       
  2533 }
       
  2534 /*** META ((export #t)) */
       
  2535 function sc_readChar(port) {
       
  2536     if (port === undefined) // we assume the port hasn't been given.
       
  2537 	port = SC_DEFAULT_IN; // THREAD: shared var...
       
  2538     var t = port.readChar();
       
  2539     return t === SC_EOF_OBJECT? t: new sc_Char(t);
       
  2540 }
       
  2541 /*** META ((export #t)) */
       
  2542 function sc_peekChar(port) {
       
  2543     if (port === undefined) // we assume the port hasn't been given.
       
  2544 	port = SC_DEFAULT_IN; // THREAD: shared var...
       
  2545     var t = port.peekChar();
       
  2546     return t === SC_EOF_OBJECT? t: new sc_Char(t);
       
  2547 }    
       
  2548 /*** META ((export #t)
       
  2549            (type bool))
       
  2550 */
       
  2551 function sc_isCharReady(port) {
       
  2552     if (port === undefined) // we assume the port hasn't been given.
       
  2553 	port = SC_DEFAULT_IN; // THREAD: shared var...
       
  2554     return port.isCharReady();
       
  2555 }
       
  2556 /*** META ((export #t)
       
  2557            (peephole (postfix ".close()")))
       
  2558 */
       
  2559 function sc_closeInputPort(p) {
       
  2560     return p.close();
       
  2561 }
       
  2562 
       
  2563 /*** META ((export #t)
       
  2564            (type bool)
       
  2565            (peephole (postfix " instanceof sc_InputPort")))
       
  2566 */
       
  2567 function sc_isInputPort(o) {
       
  2568     return (o instanceof sc_InputPort);
       
  2569 }
       
  2570 
       
  2571 /*** META ((export eof-object?)
       
  2572            (type bool)
       
  2573            (peephole (postfix " === SC_EOF_OBJECT")))
       
  2574 */
       
  2575 function sc_isEOFObject(o) {
       
  2576     return o === SC_EOF_OBJECT;
       
  2577 }
       
  2578 
       
  2579 /*** META ((export #t)
       
  2580            (peephole (hole 0 "SC_DEFAULT_IN")))
       
  2581 */
       
  2582 function sc_currentInputPort() {
       
  2583     return SC_DEFAULT_IN;
       
  2584 }
       
  2585 
       
  2586 /* ------------ file operations are not supported -----------*/
       
  2587 /*** META ((export #t)) */
       
  2588 function sc_callWithInputFile(s, proc) {
       
  2589     throw "can't open " + s;
       
  2590 }
       
  2591 
       
  2592 /*** META ((export #t)) */
       
  2593 function sc_callWithOutputFile(s, proc) {
       
  2594     throw "can't open " + s;
       
  2595 }
       
  2596 
       
  2597 /*** META ((export #t)) */
       
  2598 function sc_withInputFromFile(s, thunk) {
       
  2599     throw "can't open " + s;
       
  2600 }
       
  2601 
       
  2602 /*** META ((export #t)) */
       
  2603 function sc_withOutputToFile(s, thunk) {
       
  2604     throw "can't open " + s;
       
  2605 }
       
  2606 
       
  2607 /*** META ((export #t)) */
       
  2608 function sc_openInputFile(s) {
       
  2609     throw "can't open " + s;
       
  2610 }
       
  2611 
       
  2612 /*** META ((export #t)) */
       
  2613 function sc_openOutputFile(s) {
       
  2614     throw "can't open " + s;
       
  2615 }
       
  2616 
       
  2617 /* ----------------------------------------------------------------------------*/
       
  2618 /*** META ((export #t)) */
       
  2619 function sc_basename(p) {
       
  2620    var i = p.lastIndexOf('/');
       
  2621 
       
  2622    if(i >= 0)
       
  2623       return p.substring(i + 1, p.length);
       
  2624    else
       
  2625       return '';
       
  2626 }
       
  2627 
       
  2628 /*** META ((export #t)) */
       
  2629 function sc_dirname(p) {
       
  2630    var i = p.lastIndexOf('/');
       
  2631 
       
  2632    if(i >= 0)
       
  2633       return p.substring(0, i);
       
  2634    else
       
  2635       return '';
       
  2636 }
       
  2637 
       
  2638 /* ----------------------------------------------------------------------------*/
       
  2639 
       
  2640 /*** META ((export #t)) */
       
  2641 function sc_withInputFromPort(p, thunk) {
       
  2642     try {
       
  2643 	var tmp = SC_DEFAULT_IN; // THREAD: shared var.
       
  2644 	SC_DEFAULT_IN = p;
       
  2645 	return thunk();
       
  2646     } finally {
       
  2647 	SC_DEFAULT_IN = tmp;
       
  2648     }
       
  2649 }
       
  2650 
       
  2651 /*** META ((export #t)) */
       
  2652 function sc_withInputFromString(s, thunk) {
       
  2653     return sc_withInputFromPort(new sc_StringInputPort(sc_string2jsstring(s)), thunk);
       
  2654 }
       
  2655 
       
  2656 /*** META ((export #t)) */
       
  2657 function sc_withOutputToPort(p, thunk) {
       
  2658     try {
       
  2659 	var tmp = SC_DEFAULT_OUT; // THREAD: shared var.
       
  2660 	SC_DEFAULT_OUT = p;
       
  2661 	return thunk();
       
  2662     } finally {
       
  2663 	SC_DEFAULT_OUT = tmp;
       
  2664     }
       
  2665 }
       
  2666 
       
  2667 /*** META ((export #t)) */
       
  2668 function sc_withOutputToString(thunk) {
       
  2669     var p = new sc_StringOutputPort();
       
  2670     sc_withOutputToPort(p, thunk);
       
  2671     return p.close();
       
  2672 }
       
  2673 
       
  2674 /*** META ((export #t)) */
       
  2675 function sc_withOutputToProcedure(proc, thunk) {
       
  2676     var t = function(s) { proc(sc_jsstring2string(s)); };
       
  2677     return sc_withOutputToPort(new sc_GenericOutputPort(t), thunk);
       
  2678 }
       
  2679 
       
  2680 /*** META ((export #t)
       
  2681            (peephole (hole 0 "new sc_StringOutputPort()")))
       
  2682 */
       
  2683 function sc_openOutputString() {
       
  2684     return new sc_StringOutputPort();
       
  2685 }
       
  2686 
       
  2687 /*** META ((export #t)) */
       
  2688 function sc_openInputString(str) {
       
  2689     return new sc_StringInputPort(sc_string2jsstring(str));
       
  2690 }
       
  2691 
       
  2692 /* ----------------------------------------------------------------------------*/
       
  2693 
       
  2694 function sc_OutputPort() {
       
  2695 }
       
  2696 sc_OutputPort.prototype = new sc_Port();
       
  2697 sc_OutputPort.prototype.appendJSString = function(obj) {
       
  2698     /* do nothing */
       
  2699 }
       
  2700 sc_OutputPort.prototype.close = function() {
       
  2701     /* do nothing */
       
  2702 }
       
  2703 
       
  2704 function sc_StringOutputPort() {
       
  2705     this.res = "";
       
  2706 }
       
  2707 sc_StringOutputPort.prototype = new sc_OutputPort();
       
  2708 sc_StringOutputPort.prototype.appendJSString = function(s) {
       
  2709     this.res += s;
       
  2710 }
       
  2711 sc_StringOutputPort.prototype.close = function() {
       
  2712     return sc_jsstring2string(this.res);
       
  2713 }
       
  2714 
       
  2715 /*** META ((export #t)) */
       
  2716 function sc_getOutputString(sp) {
       
  2717     return sc_jsstring2string(sp.res);
       
  2718 }
       
  2719     
       
  2720 
       
  2721 function sc_ErrorOutputPort() {
       
  2722 }
       
  2723 sc_ErrorOutputPort.prototype = new sc_OutputPort();
       
  2724 sc_ErrorOutputPort.prototype.appendJSString = function(s) {
       
  2725     throw "don't write on ErrorPort!";
       
  2726 }
       
  2727 sc_ErrorOutputPort.prototype.close = function() {
       
  2728     /* do nothing */
       
  2729 }
       
  2730 
       
  2731 function sc_GenericOutputPort(appendJSString, close) {
       
  2732     this.appendJSString = appendJSString;
       
  2733     if (close)
       
  2734 	this.close = close;
       
  2735 }
       
  2736 sc_GenericOutputPort.prototype = new sc_OutputPort();
       
  2737 
       
  2738 /*** META ((export #t)
       
  2739            (type bool)
       
  2740            (peephole (postfix " instanceof sc_OutputPort")))
       
  2741 */
       
  2742 function sc_isOutputPort(o) {
       
  2743     return (o instanceof sc_OutputPort);
       
  2744 }
       
  2745 
       
  2746 /*** META ((export #t)
       
  2747            (peephole (postfix ".close()")))
       
  2748 */
       
  2749 function sc_closeOutputPort(p) {
       
  2750     return p.close();
       
  2751 }
       
  2752 
       
  2753 /* ------------------ write ---------------------------------------------------*/
       
  2754 
       
  2755 /*** META ((export #t)) */
       
  2756 function sc_write(o, p) {
       
  2757     if (p === undefined) // we assume not given
       
  2758 	p = SC_DEFAULT_OUT;
       
  2759     p.appendJSString(sc_toWriteString(o));
       
  2760 }
       
  2761 
       
  2762 function sc_toWriteString(o) {
       
  2763     if (o === null)
       
  2764 	return "()";
       
  2765     else if (o === true)
       
  2766 	return "#t";
       
  2767     else if (o === false)
       
  2768 	return "#f";
       
  2769     else if (o === undefined)
       
  2770 	return "#unspecified";
       
  2771     else if (typeof o === 'function')
       
  2772 	return "#<procedure " + sc_hash(o) + ">";
       
  2773     else if (o.sc_toWriteString)
       
  2774 	return o.sc_toWriteString();
       
  2775     else
       
  2776 	return o.toString();
       
  2777 }
       
  2778 
       
  2779 function sc_escapeWriteString(s) {
       
  2780     var res = "";
       
  2781     var j = 0;
       
  2782     for (i = 0; i < s.length; i++) {
       
  2783 	switch (s.charAt(i)) {
       
  2784 	case "\0": res += s.substring(j, i) + "\\0"; j = i + 1; break;
       
  2785 	case "\b": res += s.substring(j, i) + "\\b"; j = i + 1; break;
       
  2786 	case "\f": res += s.substring(j, i) + "\\f"; j = i + 1; break;
       
  2787 	case "\n": res += s.substring(j, i) + "\\n"; j = i + 1; break;
       
  2788 	case "\r": res += s.substring(j, i) + "\\r"; j = i + 1; break;
       
  2789 	case "\t": res += s.substring(j, i) + "\\t"; j = i + 1; break;
       
  2790 	case "\v": res += s.substring(j, i) + "\\v"; j = i + 1; break;
       
  2791 	case '"': res += s.substring(j, i) + '\\"'; j = i + 1; break;
       
  2792 	case "\\": res += s.substring(j, i) + "\\\\"; j = i + 1; break;
       
  2793 	default:
       
  2794 	    var c = s.charAt(i);
       
  2795 	    if ("\a" !== "a" && c == "\a") {
       
  2796 		res += s.substring(j, i) + "\\a"; j = i + 1; continue;
       
  2797 	    }
       
  2798 	    if ("\v" !== "v" && c == "\v") {
       
  2799 		res += s.substring(j, i) + "\\v"; j = i + 1; continue;
       
  2800 	    }
       
  2801 	    //if (s.charAt(i) < ' ' || s.charCodeAt(i) > 127) {
       
  2802 	    // CARE: Manuel is this OK with HOP?
       
  2803 	    if (s.charAt(i) < ' ') {
       
  2804 		/* non printable character and special chars */
       
  2805 		res += s.substring(j, i) + "\\x" + s.charCodeAt(i).toString(16);
       
  2806 		j = i + 1;
       
  2807 	    }
       
  2808 	    // else just let i increase...
       
  2809 	}
       
  2810     }
       
  2811     res += s.substring(j, i);
       
  2812     return res;
       
  2813 }
       
  2814 
       
  2815 /* ------------------ display ---------------------------------------------------*/
       
  2816 
       
  2817 /*** META ((export #t)) */
       
  2818 function sc_display(o, p) {
       
  2819     if (p === undefined) // we assume not given
       
  2820 	p = SC_DEFAULT_OUT;
       
  2821     p.appendJSString(sc_toDisplayString(o));
       
  2822 }
       
  2823 
       
  2824 function sc_toDisplayString(o) {
       
  2825     if (o === null)
       
  2826 	return "()";
       
  2827     else if (o === true)
       
  2828 	return "#t";
       
  2829     else if (o === false)
       
  2830 	return "#f";
       
  2831     else if (o === undefined)
       
  2832 	return "#unspecified";
       
  2833     else if (typeof o === 'function')
       
  2834 	return "#<procedure " + sc_hash(o) + ">";
       
  2835     else if (o.sc_toDisplayString)
       
  2836 	return o.sc_toDisplayString();
       
  2837     else
       
  2838 	return o.toString();
       
  2839 }
       
  2840 
       
  2841 /* ------------------ newline ---------------------------------------------------*/
       
  2842 
       
  2843 /*** META ((export #t)) */
       
  2844 function sc_newline(p) {
       
  2845     if (p === undefined) // we assume not given
       
  2846 	p = SC_DEFAULT_OUT;
       
  2847     p.appendJSString("\n");
       
  2848 }
       
  2849     
       
  2850 /* ------------------ write-char ---------------------------------------------------*/
       
  2851 
       
  2852 /*** META ((export #t)) */
       
  2853 function sc_writeChar(c, p) {
       
  2854     if (p === undefined) // we assume not given
       
  2855 	p = SC_DEFAULT_OUT;
       
  2856     p.appendJSString(c.val);
       
  2857 }
       
  2858 
       
  2859 /* ------------------ write-circle ---------------------------------------------------*/
       
  2860 
       
  2861 /*** META ((export #t)) */
       
  2862 function sc_writeCircle(o, p) {
       
  2863     if (p === undefined) // we assume not given
       
  2864 	p = SC_DEFAULT_OUT;
       
  2865     p.appendJSString(sc_toWriteCircleString(o));
       
  2866 }
       
  2867 
       
  2868 function sc_toWriteCircleString(o) {
       
  2869     var symb = sc_gensym("writeCircle");
       
  2870     var nbPointer = new Object();
       
  2871     nbPointer.nb = 0;
       
  2872     sc_prepWriteCircle(o, symb, nbPointer);
       
  2873     return sc_genToWriteCircleString(o, symb);
       
  2874 }
       
  2875 
       
  2876 function sc_prepWriteCircle(o, symb, nbPointer) {
       
  2877     // TODO sc_Struct
       
  2878     if (o instanceof sc_Pair ||
       
  2879 	o instanceof sc_Vector) {
       
  2880 	if (o[symb] !== undefined) {
       
  2881 	    // not the first visit.
       
  2882 	    o[symb]++;
       
  2883 	    // unless there is already a number, assign one.
       
  2884 	    if (!o[symb + "nb"]) o[symb + "nb"] = nbPointer.nb++;
       
  2885 	    return;
       
  2886 	}
       
  2887 	o[symb] = 0;
       
  2888 	if (o instanceof sc_Pair) {
       
  2889 	    sc_prepWriteCircle(o.car, symb, nbPointer);
       
  2890 	    sc_prepWriteCircle(o.cdr, symb, nbPointer);
       
  2891 	} else {
       
  2892 	    for (var i = 0; i < o.length; i++)
       
  2893 		sc_prepWriteCircle(o[i], symb, nbPointer);
       
  2894 	}
       
  2895     }
       
  2896 }
       
  2897 
       
  2898 function sc_genToWriteCircleString(o, symb) {
       
  2899     if (!(o instanceof sc_Pair ||
       
  2900 	  o instanceof sc_Vector))
       
  2901 	return sc_toWriteString(o);
       
  2902     return o.sc_toWriteCircleString(symb);
       
  2903 }
       
  2904 sc_Pair.prototype.sc_toWriteCircleString = function(symb, inList) {
       
  2905     if (this[symb + "use"]) { // use-flag is set. Just use it.
       
  2906 	var nb = this[symb + "nb"];
       
  2907 	if (this[symb]-- === 0) { // if we are the last use. remove all fields.
       
  2908 	    delete this[symb];
       
  2909 	    delete this[symb + "nb"];
       
  2910 	    delete this[symb + "use"];
       
  2911 	}
       
  2912 	if (inList)
       
  2913 	    return '. #' + nb + '#';
       
  2914 	else
       
  2915 	    return '#' + nb + '#';
       
  2916     }
       
  2917     if (this[symb]-- === 0) { // if we are the last use. remove all fields.
       
  2918 	delete this[symb];
       
  2919 	delete this[symb + "nb"];
       
  2920 	delete this[symb + "use"];
       
  2921     }
       
  2922 
       
  2923     var res = "";
       
  2924     
       
  2925     if (this[symb] !== undefined) { // implies > 0
       
  2926 	this[symb + "use"] = true;
       
  2927 	if (inList)
       
  2928 	    res += '. #' + this[symb + "nb"] + '=';
       
  2929 	else
       
  2930 	    res += '#' + this[symb + "nb"] + '=';
       
  2931 	inList = false;
       
  2932     }
       
  2933 
       
  2934     if (!inList)
       
  2935 	res += "(";
       
  2936     
       
  2937     // print car
       
  2938     res += sc_genToWriteCircleString(this.car, symb);
       
  2939     
       
  2940     if (sc_isPair(this.cdr)) {
       
  2941 	res += " " + this.cdr.sc_toWriteCircleString(symb, true);
       
  2942     } else if (this.cdr !== null) {
       
  2943 	res += " . " + sc_genToWriteCircleString(this.cdr, symb);
       
  2944     }
       
  2945     if (!inList)
       
  2946 	res += ")";
       
  2947     return res;
       
  2948 };
       
  2949 sc_Vector.prototype.sc_toWriteCircleString = function(symb) {
       
  2950     if (this[symb + "use"]) { // use-flag is set. Just use it.
       
  2951 	var nb = this[symb + "nb"];
       
  2952 	if (this[symb]-- === 0) { // if we are the last use. remove all fields.
       
  2953 	    delete this[symb];
       
  2954 	    delete this[symb + "nb"];
       
  2955 	    delete this[symb + "use"];
       
  2956 	}
       
  2957 	return '#' + nb + '#';
       
  2958     }
       
  2959     if (this[symb]-- === 0) { // if we are the last use. remove all fields.
       
  2960 	delete this[symb];
       
  2961 	delete this[symb + "nb"];
       
  2962 	delete this[symb + "use"];
       
  2963     }
       
  2964 
       
  2965     var res = "";
       
  2966     if (this[symb] !== undefined) { // implies > 0
       
  2967 	this[symb + "use"] = true;
       
  2968 	res += '#' + this[symb + "nb"] + '=';
       
  2969     }
       
  2970     res += "#(";
       
  2971     for (var i = 0; i < this.length; i++) {
       
  2972 	res += sc_genToWriteCircleString(this[i], symb);
       
  2973 	if (i < this.length - 1) res += " ";
       
  2974     }
       
  2975     res += ")";
       
  2976     return res;
       
  2977 };
       
  2978 
       
  2979 
       
  2980 /* ------------------ print ---------------------------------------------------*/
       
  2981 
       
  2982 /*** META ((export #t)) */
       
  2983 function sc_print(s) {
       
  2984     if (arguments.length === 1) {
       
  2985 	sc_display(s);
       
  2986 	sc_newline();
       
  2987     }
       
  2988     else {
       
  2989 	for (var i = 0; i < arguments.length; i++)
       
  2990 	    sc_display(arguments[i]);
       
  2991 	sc_newline();
       
  2992     }
       
  2993 }
       
  2994 
       
  2995 /* ------------------ format ---------------------------------------------------*/
       
  2996 /*** META ((export #t)) */
       
  2997 function sc_format(s, args) {
       
  2998    var len = s.length;
       
  2999    var p = new sc_StringOutputPort();
       
  3000    var i = 0, j = 1;
       
  3001 
       
  3002    while( i < len ) {
       
  3003       var i2 = s.indexOf("~", i);
       
  3004 
       
  3005       if (i2 == -1) {
       
  3006 	  p.appendJSString( s.substring( i, len ) );
       
  3007 	  return p.close();
       
  3008       } else {
       
  3009 	 if (i2 > i) {
       
  3010 	    if (i2 == (len - 1)) {
       
  3011 		p.appendJSString(s.substring(i, len));
       
  3012 		return p.close();
       
  3013 	    } else {
       
  3014 	       p.appendJSString(s.substring(i, i2));
       
  3015 	       i = i2;
       
  3016 	    }
       
  3017 	 }
       
  3018 
       
  3019 	 switch(s.charCodeAt(i2 + 1)) {
       
  3020 	    case 65:
       
  3021 	    case 97:
       
  3022 	       // a
       
  3023 	       sc_display(arguments[j], p);
       
  3024 	       i += 2; j++;
       
  3025 	       break;
       
  3026 
       
  3027 	    case 83:
       
  3028 	    case 115:
       
  3029 	       // s
       
  3030 	       sc_write(arguments[j], p);
       
  3031 	       i += 2; j++;
       
  3032 	       break;
       
  3033 
       
  3034 	    case 86:
       
  3035 	    case 118:
       
  3036 	       // v
       
  3037 	       sc_display(arguments[j], p);
       
  3038 	       p.appendJSString("\n");
       
  3039 	       i += 2; j++;
       
  3040 	       break;
       
  3041 
       
  3042 	    case 67:
       
  3043 	    case 99:
       
  3044 	       // c
       
  3045 	       p.appendJSString(String.fromCharCode(arguments[j]));
       
  3046 	       i += 2; j++;
       
  3047 	       break;
       
  3048 
       
  3049 	    case 88:
       
  3050 	    case 120:
       
  3051 	       // x
       
  3052 	       p.appendJSString(arguments[j].toString(6));
       
  3053 	       i += 2; j++;
       
  3054 	       break;
       
  3055 
       
  3056 	    case 79:
       
  3057 	    case 111:
       
  3058 	       // o
       
  3059 	       p.appendJSString(arguments[j].toString(8));
       
  3060 	       i += 2; j++;
       
  3061 	       break;
       
  3062 
       
  3063 	    case 66:
       
  3064 	    case 98:
       
  3065 	       // b
       
  3066 	       p.appendJSString(arguments[j].toString(2));
       
  3067 	       i += 2; j++;
       
  3068 	       break;
       
  3069 	       
       
  3070 	    case 37:
       
  3071 	    case 110:
       
  3072 	       // %, n
       
  3073 	       p.appendJSString("\n");
       
  3074 	       i += 2; break;
       
  3075 
       
  3076 	    case 114:
       
  3077 	       // r
       
  3078 	       p.appendJSString("\r");
       
  3079 	       i += 2; break;
       
  3080 
       
  3081 	    case 126:
       
  3082 	       // ~
       
  3083 	       p.appendJSString("~");
       
  3084 	       i += 2; break;
       
  3085 
       
  3086 	    default:
       
  3087 	       sc_error( "format: illegal ~"
       
  3088 			 + String.fromCharCode(s.charCodeAt(i2 + 1))
       
  3089 			 + " sequence" );
       
  3090 	       return "";
       
  3091 	 }
       
  3092       }
       
  3093    }
       
  3094 
       
  3095    return p.close();
       
  3096 }
       
  3097 
       
  3098 /* ------------------ global ports ---------------------------------------------------*/
       
  3099 
       
  3100 var SC_DEFAULT_IN = new sc_ErrorInputPort();
       
  3101 var SC_DEFAULT_OUT = new sc_ErrorOutputPort();
       
  3102 var SC_ERROR_OUT = new sc_ErrorOutputPort();
       
  3103 
       
  3104 var sc_SYMBOL_PREFIX = "\u1E9C";
       
  3105 var sc_KEYWORD_PREFIX = "\u1E9D";
       
  3106 
       
  3107 /*** META ((export #t)
       
  3108            (peephole (id))) */
       
  3109 function sc_jsstring2string(s) {
       
  3110     return s;
       
  3111 }
       
  3112 
       
  3113 /*** META ((export #t)
       
  3114            (peephole (prefix "'\\u1E9C' +")))
       
  3115 */
       
  3116 function sc_jsstring2symbol(s) {
       
  3117     return sc_SYMBOL_PREFIX + s;
       
  3118 }
       
  3119 
       
  3120 /*** META ((export #t)
       
  3121            (peephole (id)))
       
  3122 */
       
  3123 function sc_string2jsstring(s) {
       
  3124     return s;
       
  3125 }
       
  3126 
       
  3127 /*** META ((export #t)
       
  3128            (peephole (symbol2jsstring_immutable)))
       
  3129 */
       
  3130 function sc_symbol2jsstring(s) {
       
  3131     return s.slice(1);
       
  3132 }
       
  3133 
       
  3134 /*** META ((export #t)
       
  3135            (peephole (postfix ".slice(1)")))
       
  3136 */
       
  3137 function sc_keyword2jsstring(k) {
       
  3138     return k.slice(1);
       
  3139 }
       
  3140 
       
  3141 /*** META ((export #t)
       
  3142            (peephole (prefix "'\\u1E9D' +")))
       
  3143 */
       
  3144 function sc_jsstring2keyword(s) {
       
  3145     return sc_KEYWORD_PREFIX + s;
       
  3146 }
       
  3147 
       
  3148 /*** META ((export #t)
       
  3149            (type bool))
       
  3150 */
       
  3151 function sc_isKeyword(s) {
       
  3152     return (typeof s === "string") &&
       
  3153 	(s.charAt(0) === sc_KEYWORD_PREFIX);
       
  3154 }
       
  3155 
       
  3156 
       
  3157 /*** META ((export #t)) */
       
  3158 var sc_gensym = function() {
       
  3159     var counter = 1000;
       
  3160     return function(sym) {
       
  3161 	counter++;
       
  3162 	if (!sym) sym = sc_SYMBOL_PREFIX;
       
  3163 	return sym + "s" + counter + "~" + "^sC-GeNsYm ";
       
  3164     };
       
  3165 }();
       
  3166 
       
  3167 
       
  3168 /*** META ((export #t)
       
  3169            (type bool))
       
  3170 */
       
  3171 function sc_isEqual(o1, o2) {
       
  3172     return ((o1 === o2) ||
       
  3173 	    (sc_isPair(o1) && sc_isPair(o2)
       
  3174 	     && sc_isPairEqual(o1, o2, sc_isEqual)) ||
       
  3175 	    (sc_isVector(o1) && sc_isVector(o2)
       
  3176 	     && sc_isVectorEqual(o1, o2, sc_isEqual)));
       
  3177 }
       
  3178 
       
  3179 /*** META ((export number->symbol integer->symbol)) */
       
  3180 function sc_number2symbol(x, radix) {
       
  3181     return sc_SYMBOL_PREFIX + sc_number2jsstring(x, radix);
       
  3182 }
       
  3183     
       
  3184 /*** META ((export number->string integer->string)) */
       
  3185 var sc_number2string = sc_number2jsstring;
       
  3186 
       
  3187 /*** META ((export #t)) */
       
  3188 function sc_symbol2number(s, radix) {
       
  3189     return sc_jsstring2number(s.slice(1), radix);
       
  3190 }
       
  3191 
       
  3192 /*** META ((export #t)) */
       
  3193 var sc_string2number = sc_jsstring2number;
       
  3194 
       
  3195 /*** META ((export #t)
       
  3196            (peephole (prefix "+" s)))
       
  3197            ;; peephole will only apply if no radix is given.
       
  3198 */
       
  3199 function sc_string2integer(s, radix) {
       
  3200     if (!radix) return +s;
       
  3201     return parseInt(s, radix);
       
  3202 }
       
  3203 
       
  3204 /*** META ((export #t)
       
  3205            (peephole (prefix "+")))
       
  3206 */
       
  3207 function sc_string2real(s) {
       
  3208     return +s;
       
  3209 }
       
  3210 
       
  3211 
       
  3212 /*** META ((export #t)
       
  3213            (type bool))
       
  3214 */
       
  3215 function sc_isSymbol(s) {
       
  3216     return (typeof s === "string") &&
       
  3217 	(s.charAt(0) === sc_SYMBOL_PREFIX);
       
  3218 }
       
  3219 
       
  3220 /*** META ((export #t)
       
  3221            (peephole (symbol2string_immutable)))
       
  3222 */
       
  3223 function sc_symbol2string(s) {
       
  3224     return s.slice(1);
       
  3225 }
       
  3226 
       
  3227 /*** META ((export #t)
       
  3228            (peephole (prefix "'\\u1E9C' +")))
       
  3229 */
       
  3230 function sc_string2symbol(s) {
       
  3231     return sc_SYMBOL_PREFIX + s;
       
  3232 }
       
  3233 
       
  3234 /*** META ((export symbol-append)
       
  3235            (peephole (symbolAppend_immutable)))
       
  3236 */
       
  3237 function sc_symbolAppend() {
       
  3238     var res = sc_SYMBOL_PREFIX;
       
  3239     for (var i = 0; i < arguments.length; i++)
       
  3240 	res += arguments[i].slice(1);
       
  3241     return res;
       
  3242 }
       
  3243 
       
  3244 /*** META ((export #t)
       
  3245            (peephole (postfix ".val")))
       
  3246 */
       
  3247 function sc_char2string(c) { return c.val; }
       
  3248 
       
  3249 /*** META ((export #t)
       
  3250            (peephole (hole 1 "'\\u1E9C' + " c ".val")))
       
  3251 */
       
  3252 function sc_char2symbol(c) { return sc_SYMBOL_PREFIX + c.val; }
       
  3253 
       
  3254 /*** META ((export #t)
       
  3255            (type bool))
       
  3256 */
       
  3257 function sc_isString(s) {
       
  3258     return (typeof s === "string") &&
       
  3259 	(s.charAt(0) !== sc_SYMBOL_PREFIX);
       
  3260 }
       
  3261 
       
  3262 /*** META ((export #t)) */
       
  3263 var sc_makeString = sc_makejsString;
       
  3264 
       
  3265 
       
  3266 /*** META ((export #t)) */
       
  3267 function sc_string() {
       
  3268     for (var i = 0; i < arguments.length; i++)
       
  3269 	arguments[i] = arguments[i].val;
       
  3270     return "".concat.apply("", arguments);
       
  3271 }
       
  3272 
       
  3273 /*** META ((export #t)
       
  3274            (peephole (postfix ".length")))
       
  3275 */
       
  3276 function sc_stringLength(s) { return s.length; }
       
  3277 
       
  3278 /*** META ((export #t)) */
       
  3279 function sc_stringRef(s, k) {
       
  3280     return new sc_Char(s.charAt(k));
       
  3281 }
       
  3282 
       
  3283 /* there's no stringSet in the immutable version
       
  3284 function sc_stringSet(s, k, c)
       
  3285 */
       
  3286 
       
  3287 
       
  3288 /*** META ((export string=?)
       
  3289 	   (type bool)
       
  3290            (peephole (hole 2 str1 " === " str2)))
       
  3291 */
       
  3292 function sc_isStringEqual(s1, s2) {
       
  3293     return s1 === s2;
       
  3294 }
       
  3295 /*** META ((export string<?)
       
  3296 	   (type bool)
       
  3297            (peephole (hole 2 str1 " < " str2)))
       
  3298 */
       
  3299 function sc_isStringLess(s1, s2) {
       
  3300     return s1 < s2;
       
  3301 }
       
  3302 /*** META ((export string>?)
       
  3303 	   (type bool)
       
  3304            (peephole (hole 2 str1 " > " str2)))
       
  3305 */
       
  3306 function sc_isStringGreater(s1, s2) {
       
  3307     return s1 > s2;
       
  3308 }
       
  3309 /*** META ((export string<=?)
       
  3310 	   (type bool)
       
  3311            (peephole (hole 2 str1 " <= " str2)))
       
  3312 */
       
  3313 function sc_isStringLessEqual(s1, s2) {
       
  3314     return s1 <= s2;
       
  3315 }
       
  3316 /*** META ((export string>=?)
       
  3317 	   (type bool)
       
  3318            (peephole (hole 2 str1 " >= " str2)))
       
  3319 */
       
  3320 function sc_isStringGreaterEqual(s1, s2) {
       
  3321     return s1 >= s2;
       
  3322 }
       
  3323 /*** META ((export string-ci=?)
       
  3324 	   (type bool)
       
  3325            (peephole (hole 2 str1 ".toLowerCase() === " str2 ".toLowerCase()")))
       
  3326 */
       
  3327 function sc_isStringCIEqual(s1, s2) {
       
  3328     return s1.toLowerCase() === s2.toLowerCase();
       
  3329 }
       
  3330 /*** META ((export string-ci<?)
       
  3331 	   (type bool)
       
  3332            (peephole (hole 2 str1 ".toLowerCase() < " str2 ".toLowerCase()")))
       
  3333 */
       
  3334 function sc_isStringCILess(s1, s2) {
       
  3335     return s1.toLowerCase() < s2.toLowerCase();
       
  3336 }
       
  3337 /*** META ((export string-ci>?)
       
  3338 	   (type bool)
       
  3339            (peephole (hole 2 str1 ".toLowerCase() > " str2 ".toLowerCase()")))
       
  3340 */
       
  3341 function sc_isStringCIGreater(s1, s2) {
       
  3342     return s1.toLowerCase() > s2.toLowerCase();
       
  3343 }
       
  3344 /*** META ((export string-ci<=?)
       
  3345 	   (type bool)
       
  3346            (peephole (hole 2 str1 ".toLowerCase() <= " str2 ".toLowerCase()")))
       
  3347 */
       
  3348 function sc_isStringCILessEqual(s1, s2) {
       
  3349     return s1.toLowerCase() <= s2.toLowerCase();
       
  3350 }
       
  3351 /*** META ((export string-ci>=?)
       
  3352 	   (type bool)
       
  3353            (peephole (hole 2 str1 ".toLowerCase() >= " str2 ".toLowerCase()")))
       
  3354 */
       
  3355 function sc_isStringCIGreaterEqual(s1, s2) {
       
  3356     return s1.toLowerCase() >= s2.toLowerCase();
       
  3357 }
       
  3358 
       
  3359 /*** META ((export #t)
       
  3360            (peephole (hole 3 s ".substring(" start ", " end ")")))
       
  3361 */
       
  3362 function sc_substring(s, start, end) {
       
  3363     return s.substring(start, end);
       
  3364 }
       
  3365 
       
  3366 /*** META ((export #t))
       
  3367 */
       
  3368 function sc_isSubstring_at(s1, s2, i) {
       
  3369     return s2 == s1.substring(i, i+ s2.length);
       
  3370 }
       
  3371 
       
  3372 /*** META ((export #t)
       
  3373            (peephole (infix 0 #f "+" "''")))
       
  3374 */
       
  3375 function sc_stringAppend() {
       
  3376     return "".concat.apply("", arguments);
       
  3377 }
       
  3378 
       
  3379 /*** META ((export #t)) */
       
  3380 var sc_string2list = sc_jsstring2list;
       
  3381 
       
  3382 /*** META ((export #t)) */
       
  3383 var sc_list2string = sc_list2jsstring;
       
  3384 
       
  3385 /*** META ((export #t)
       
  3386            (peephole (id)))
       
  3387 */
       
  3388 function sc_stringCopy(s) {
       
  3389     return s;
       
  3390 }
       
  3391 
       
  3392 /* there's no string-fill in the immutable version
       
  3393 function sc_stringFill(s, c)
       
  3394 */
       
  3395 
       
  3396 /*** META ((export #t)
       
  3397            (peephole (postfix ".slice(1)")))
       
  3398 */
       
  3399 function sc_keyword2string(o) {
       
  3400     return o.slice(1);
       
  3401 }
       
  3402 
       
  3403 /*** META ((export #t)
       
  3404            (peephole (prefix "'\\u1E9D' +")))
       
  3405 */
       
  3406 function sc_string2keyword(o) {
       
  3407     return sc_KEYWORD_PREFIX + o;
       
  3408 }
       
  3409 
       
  3410 String.prototype.sc_toDisplayString = function() {
       
  3411     if (this.charAt(0) === sc_SYMBOL_PREFIX)
       
  3412 	// TODO: care for symbols with spaces (escape-chars symbols).
       
  3413 	return this.slice(1);
       
  3414     else if (this.charAt(0) === sc_KEYWORD_PREFIX)
       
  3415 	return ":" + this.slice(1);
       
  3416     else
       
  3417 	return this.toString();
       
  3418 };
       
  3419 
       
  3420 String.prototype.sc_toWriteString = function() {
       
  3421     if (this.charAt(0) === sc_SYMBOL_PREFIX)
       
  3422 	// TODO: care for symbols with spaces (escape-chars symbols).
       
  3423 	return this.slice(1);
       
  3424     else if (this.charAt(0) === sc_KEYWORD_PREFIX)
       
  3425 	return ":" + this.slice(1);
       
  3426     else
       
  3427 	return '"' + sc_escapeWriteString(this) + '"';
       
  3428 };
       
  3429 /* Exported Variables */
       
  3430 var BgL_testzd2boyerzd2;
       
  3431 var BgL_nboyerzd2benchmarkzd2;
       
  3432 var BgL_setupzd2boyerzd2;
       
  3433 /* End Exports */
       
  3434 
       
  3435 var translate_term_nboyer;
       
  3436 var translate_args_nboyer;
       
  3437 var untranslate_term_nboyer;
       
  3438 var BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer;
       
  3439 var BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer;
       
  3440 var translate_alist_nboyer;
       
  3441 var apply_subst_nboyer;
       
  3442 var apply_subst_lst_nboyer;
       
  3443 var tautologyp_nboyer;
       
  3444 var if_constructor_nboyer;
       
  3445 var rewrite_count_nboyer;
       
  3446 var rewrite_nboyer;
       
  3447 var rewrite_args_nboyer;
       
  3448 var unify_subst_nboyer;
       
  3449 var one_way_unify1_nboyer;
       
  3450 var false_term_nboyer;
       
  3451 var true_term_nboyer;
       
  3452 var trans_of_implies1_nboyer;
       
  3453 var is_term_equal_nboyer;
       
  3454 var is_term_member_nboyer;
       
  3455 var const_nboyer;
       
  3456 var sc_const_3_nboyer;
       
  3457 var sc_const_4_nboyer;
       
  3458 {
       
  3459     (sc_const_4_nboyer = (new sc_Pair("\u1E9Cimplies",(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cz",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cz",(new sc_Pair("\u1E9Cu",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cu",(new sc_Pair("\u1E9Cw",null)))))),null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cw",null)))))),null)))))));
       
  3460     (sc_const_3_nboyer = sc_list((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ccompile",(new sc_Pair("\u1E9Cform",null)))),(new sc_Pair((new sc_Pair("\u1E9Creverse",(new sc_Pair((new sc_Pair("\u1E9Ccodegen",(new sc_Pair((new sc_Pair("\u1E9Coptimize",(new sc_Pair("\u1E9Cform",null)))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ceqp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cy",null)))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cgreaterp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Clessp",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Clesseqp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair((new sc_Pair("\u1E9Clessp",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),null)))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cgreatereqp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair((new sc_Pair("\u1E9Clessp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),null)))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cboolean",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cor",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ciff",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ceven1",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Ct",null)),(new sc_Pair((new sc_Pair("\u1E9Codd",(new sc_Pair((new sc_Pair("\u1E9Csub1",(new sc_Pair("\u1E9Cx",null)))),null)))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ccountps-",(new sc_Pair("\u1E9Cl",(new sc_Pair("\u1E9Cpred",null)))))),(new sc_Pair((new sc_Pair("\u1E9Ccountps-loop",(new sc_Pair("\u1E9Cl",(new sc_Pair("\u1E9Cpred",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfact-",(new sc_Pair("\u1E9Ci",null)))),(new sc_Pair((new sc_Pair("\u1E9Cfact-loop",(new sc_Pair("\u1E9Ci",(new sc_Pair((1),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Creverse-",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Creverse-loop",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cdivides",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair((new sc_Pair("\u1E9Cremainder",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),null)))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cassume-true",(new sc_Pair("\u1E9Cvar",(new sc_Pair("\u1E9Calist",null)))))),(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair("\u1E9Cvar",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),null)))))),(new sc_Pair("\u1E9Calist",null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cassume-false",(new sc_Pair("\u1E9Cvar",(new sc_Pair("\u1E9Calist",null)))))),(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair("\u1E9Cvar",(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))),(new sc_Pair("\u1E9Calist",null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ctautology-checker",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Ctautologyp",(new sc_Pair((new sc_Pair("\u1E9Cnormalize",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfalsify",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cfalsify1",(new sc_Pair((new sc_Pair("\u1E9Cnormalize",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cprime",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cadd1",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))),null)))))),null)))),(new sc_Pair((new sc_Pair("\u1E9Cprime1",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Csub1",(new sc_Pair("\u1E9Cx",null)))),null)))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair("\u1E9Cp",(new sc_Pair("\u1E9Cq",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cp",(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cq",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))))),(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cor",(new sc_Pair("\u1E9Cp",(new sc_Pair("\u1E9Cq",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cp",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cq",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair("\u1E9Cp",null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cp",(new sc_Pair((new sc_Pair("\u1E9Cf",null)),(new sc_Pair((new sc_Pair("\u1E9Ct",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cp",(new sc_Pair("\u1E9Cq",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cp",(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cq",(new sc_Pair((new sc_Pair("\u1E9Ct",null)),(new sc_Pair((new sc_Pair("\u1E9Cf",null)),null)))))))),(new sc_Pair((new sc_Pair("\u1E9Ct",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Cnumberp",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",(new sc_Pair("\u1E9Cc",null)))))))),(new sc_Pair("\u1E9Cd",(new sc_Pair("\u1E9Ce",null)))))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Ca",(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cb",(new sc_Pair("\u1E9Cd",(new sc_Pair("\u1E9Ce",null)))))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair("\u1E9Cc",(new sc_Pair("\u1E9Cd",(new sc_Pair("\u1E9Ce",null)))))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cor",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cnot",(new sc_Pair((new sc_Pair("\u1E9Cnumberp",(new sc_Pair("\u1E9Cx",null)))),null)))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair("\u1E9Cz",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cz",null)))))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Ca",null)))),(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cb",null)))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cdifference",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cx",null)))))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cc",null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cb",null)))),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cc",null)))),null)))))),null)))))), 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sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cf",null)),(new sc_Pair("\u1E9Cz",null)))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cassignment",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Cassignedp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Ca",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cassignment",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Ca",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cassignment",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cb",null)))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ccar",(new sc_Pair((new sc_Pair("\u1E9Cgopher",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Clistp",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Ccar",(new sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair((new sc_Pair("\u1E9Ccdr",(new sc_Pair((new sc_Pair("\u1E9Cgopher",(new sc_Pair("\u1E9Cx",null)))),null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Clistp",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Ccdr",(new sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cquotient",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cy",null)))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair((new sc_Pair("\u1E9Cset",(new sc_Pair("\u1E9Ci",(new sc_Pair("\u1E9Cval",(new sc_Pair("\u1E9Cmem",null)))))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Ceqp",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Ci",null)))))),(new sc_Pair("\u1E9Cval",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Cmem",null)))))),null)))))))),null))))))));
       
  3461     (const_nboyer = (new sc_Pair((new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cc",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cc",(new sc_Pair("\u1E9Cd",null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cz",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Creverse",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cu",(new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cdifference",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),null)))))))),(new sc_Pair((new sc_Pair("\u1E9Cw",(new sc_Pair("\u1E9Clessp",(new sc_Pair((new sc_Pair("\u1E9Cremainder",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cmember",(new sc_Pair("\u1E9Ca",(new sc_Pair((new sc_Pair("\u1E9Clength",(new sc_Pair("\u1E9Cb",null)))),null)))))),null)))))))),null)))))))))));
       
  3462     BgL_nboyerzd2benchmarkzd2 = function() {
       
  3463         var args = null;
       
  3464         for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) {
       
  3465             args = sc_cons(arguments[sc_tmp], args);
       
  3466         }
       
  3467         var n;
       
  3468         return ((n = ((args === null)?(0):(args.car))), (BgL_setupzd2boyerzd2()), (BgL_runzd2benchmarkzd2(("nboyer"+(sc_number2string(n))), (1), function() {
       
  3469             return (BgL_testzd2boyerzd2(n));
       
  3470         }, function(rewrites) {
       
  3471             if ((sc_isNumber(rewrites)))
       
  3472                 switch (n) {
       
  3473                 case (0):
       
  3474                     return (rewrites===(95024));
       
  3475                     break;
       
  3476                 case (1):
       
  3477                     return (rewrites===(591777));
       
  3478                     break;
       
  3479                 case (2):
       
  3480                     return (rewrites===(1813975));
       
  3481                     break;
       
  3482                 case (3):
       
  3483                     return (rewrites===(5375678));
       
  3484                     break;
       
  3485                 case (4):
       
  3486                     return (rewrites===(16445406));
       
  3487                     break;
       
  3488                 case (5):
       
  3489                     return (rewrites===(51507739));
       
  3490                     break;
       
  3491                 default:
       
  3492                     return true;
       
  3493                     break;
       
  3494                 }
       
  3495             else
       
  3496                 return false;
       
  3497         })));
       
  3498     };
       
  3499     BgL_setupzd2boyerzd2 = function() {
       
  3500         return true;
       
  3501     };
       
  3502     BgL_testzd2boyerzd2 = function() {
       
  3503         return true;
       
  3504     };
       
  3505     translate_term_nboyer = function(term) {
       
  3506         var lst;
       
  3507         return (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), ((lst = (term.cdr)), ((lst === null)?null:(new sc_Pair((translate_term_nboyer((lst.car))), (translate_args_nboyer((lst.cdr))))))))));
       
  3508     };
       
  3509     translate_args_nboyer = function(lst) {
       
  3510         var sc_lst_5;
       
  3511         var term;
       
  3512         return ((lst === null)?null:(new sc_Pair(((term = (lst.car)), (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr))))))), ((sc_lst_5 = (lst.cdr)), ((sc_lst_5 === null)?null:(new sc_Pair((translate_term_nboyer((sc_lst_5.car))), (translate_args_nboyer((sc_lst_5.cdr))))))))));
       
  3513     };
       
  3514     untranslate_term_nboyer = function(term) {
       
  3515         var optrOpnd;
       
  3516         var tail1131;
       
  3517         var L1127;
       
  3518         var falseHead1130;
       
  3519         var symbol_record;
       
  3520         if (!(term instanceof sc_Pair))
       
  3521             return term;
       
  3522         else
       
  3523             {
       
  3524                 (falseHead1130 = (new sc_Pair(null, null)));
       
  3525                 (L1127 = (term.cdr));
       
  3526                 (tail1131 = falseHead1130);
       
  3527                 while (!(L1127 === null)) {
       
  3528                     {
       
  3529                         (tail1131.cdr = (new sc_Pair((untranslate_term_nboyer((L1127.car))), null)));
       
  3530                         (tail1131 = (tail1131.cdr));
       
  3531                         (L1127 = (L1127.cdr));
       
  3532                     }
       
  3533                 }
       
  3534                 (optrOpnd = (falseHead1130.cdr));
       
  3535                 return (new sc_Pair(((symbol_record = (term.car)), (symbol_record[(0)])), optrOpnd));
       
  3536             }
       
  3537     };
       
  3538     BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer = function(sym) {
       
  3539         var r;
       
  3540         var x;
       
  3541         return ((x = (sc_assq(sym, BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer))), ((x!== false)?(x.cdr):((r = [sym, null]), (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = (new sc_Pair((new sc_Pair(sym, r)), BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer))), r)));
       
  3542     };
       
  3543     (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null);
       
  3544     translate_alist_nboyer = function(alist) {
       
  3545         var sc_alist_6;
       
  3546         var term;
       
  3547         return ((alist === null)?null:(new sc_Pair((new sc_Pair((alist.car.car), ((term = (alist.car.cdr)), (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr))))))))), ((sc_alist_6 = (alist.cdr)), ((sc_alist_6 === null)?null:(new sc_Pair((new sc_Pair((sc_alist_6.car.car), (translate_term_nboyer((sc_alist_6.car.cdr))))), (translate_alist_nboyer((sc_alist_6.cdr))))))))));
       
  3548     };
       
  3549     apply_subst_nboyer = function(alist, term) {
       
  3550         var lst;
       
  3551         var temp_temp;
       
  3552         return (!(term instanceof sc_Pair)?((temp_temp = (sc_assq(term, alist))), ((temp_temp!== false)?(temp_temp.cdr):term)):(new sc_Pair((term.car), ((lst = (term.cdr)), ((lst === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (lst.car))), (apply_subst_lst_nboyer(alist, (lst.cdr))))))))));
       
  3553     };
       
  3554     apply_subst_lst_nboyer = function(alist, lst) {
       
  3555         var sc_lst_7;
       
  3556         return ((lst === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (lst.car))), ((sc_lst_7 = (lst.cdr)), ((sc_lst_7 === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (sc_lst_7.car))), (apply_subst_lst_nboyer(alist, (sc_lst_7.cdr))))))))));
       
  3557     };
       
  3558     tautologyp_nboyer = function(sc_x_11, true_lst, false_lst) {
       
  3559         var tmp1125;
       
  3560         var x;
       
  3561         var tmp1126;
       
  3562         var sc_x_8;
       
  3563         var sc_tmp1125_9;
       
  3564         var sc_tmp1126_10;
       
  3565         var sc_x_11;
       
  3566         var true_lst;
       
  3567         var false_lst;
       
  3568         while (true) {
       
  3569             if ((((sc_tmp1126_10 = (is_term_equal_nboyer(sc_x_11, true_term_nboyer))), ((sc_tmp1126_10!== false)?sc_tmp1126_10:(is_term_member_nboyer(sc_x_11, true_lst))))!== false))
       
  3570                 return true;
       
  3571             else
       
  3572                 if ((((sc_tmp1125_9 = (is_term_equal_nboyer(sc_x_11, false_term_nboyer))), ((sc_tmp1125_9!== false)?sc_tmp1125_9:(is_term_member_nboyer(sc_x_11, false_lst))))!== false))
       
  3573                     return false;
       
  3574                 else
       
  3575                     if (!(sc_x_11 instanceof sc_Pair))
       
  3576                         return false;
       
  3577                     else
       
  3578                         if (((sc_x_11.car)===if_constructor_nboyer))
       
  3579                             if ((((sc_x_8 = (sc_x_11.cdr.car)), (tmp1126 = (is_term_equal_nboyer(sc_x_8, true_term_nboyer))), ((tmp1126!== false)?tmp1126:(is_term_member_nboyer(sc_x_8, true_lst))))!== false))
       
  3580                                 (sc_x_11 = (sc_x_11.cdr.cdr.car));
       
  3581                             else
       
  3582                                 if ((((x = (sc_x_11.cdr.car)), (tmp1125 = (is_term_equal_nboyer(x, false_term_nboyer))), ((tmp1125!== false)?tmp1125:(is_term_member_nboyer(x, false_lst))))!== false))
       
  3583                                     (sc_x_11 = (sc_x_11.cdr.cdr.cdr.car));
       
  3584                                 else
       
  3585                                     if (((tautologyp_nboyer((sc_x_11.cdr.cdr.car), (new sc_Pair((sc_x_11.cdr.car), true_lst)), false_lst))!== false))
       
  3586                                         {
       
  3587                                             (false_lst = (new sc_Pair((sc_x_11.cdr.car), false_lst)));
       
  3588                                             (sc_x_11 = (sc_x_11.cdr.cdr.cdr.car));
       
  3589                                         }
       
  3590                                     else
       
  3591                                         return false;
       
  3592                         else
       
  3593                             return false;
       
  3594         }
       
  3595     };
       
  3596     (if_constructor_nboyer = "\u1E9C*");
       
  3597     (rewrite_count_nboyer = (0));
       
  3598     rewrite_nboyer = function(term) {
       
  3599         var term2;
       
  3600         var sc_term_12;
       
  3601         var lst;
       
  3602         var symbol_record;
       
  3603         var sc_lst_13;
       
  3604         {
       
  3605             (++rewrite_count_nboyer);
       
  3606             if (!(term instanceof sc_Pair))
       
  3607                 return term;
       
  3608             else
       
  3609                 {
       
  3610                     (sc_term_12 = (new sc_Pair((term.car), ((sc_lst_13 = (term.cdr)), ((sc_lst_13 === null)?null:(new sc_Pair((rewrite_nboyer((sc_lst_13.car))), (rewrite_args_nboyer((sc_lst_13.cdr))))))))));
       
  3611                     (lst = ((symbol_record = (term.car)), (symbol_record[(1)])));
       
  3612                     while (true) {
       
  3613                         if ((lst === null))
       
  3614                             return sc_term_12;
       
  3615                         else
       
  3616                             if ((((term2 = ((lst.car).cdr.car)), (unify_subst_nboyer = null), (one_way_unify1_nboyer(sc_term_12, term2)))!== false))
       
  3617                                 return (rewrite_nboyer((apply_subst_nboyer(unify_subst_nboyer, ((lst.car).cdr.cdr.car)))));
       
  3618                             else
       
  3619                                 (lst = (lst.cdr));
       
  3620                     }
       
  3621                 }
       
  3622         }
       
  3623     };
       
  3624     rewrite_args_nboyer = function(lst) {
       
  3625         var sc_lst_14;
       
  3626         return ((lst === null)?null:(new sc_Pair((rewrite_nboyer((lst.car))), ((sc_lst_14 = (lst.cdr)), ((sc_lst_14 === null)?null:(new sc_Pair((rewrite_nboyer((sc_lst_14.car))), (rewrite_args_nboyer((sc_lst_14.cdr))))))))));
       
  3627     };
       
  3628     (unify_subst_nboyer = "\u1E9C*");
       
  3629     one_way_unify1_nboyer = function(term1, term2) {
       
  3630         var lst1;
       
  3631         var lst2;
       
  3632         var temp_temp;
       
  3633         if (!(term2 instanceof sc_Pair))
       
  3634             {
       
  3635                 (temp_temp = (sc_assq(term2, unify_subst_nboyer)));
       
  3636                 if ((temp_temp!== false))
       
  3637                     return (is_term_equal_nboyer(term1, (temp_temp.cdr)));
       
  3638                 else
       
  3639                     if ((sc_isNumber(term2)))
       
  3640                         return (sc_isEqual(term1, term2));
       
  3641                     else
       
  3642                         {
       
  3643                             (unify_subst_nboyer = (new sc_Pair((new sc_Pair(term2, term1)), unify_subst_nboyer)));
       
  3644                             return true;
       
  3645                         }
       
  3646             }
       
  3647         else
       
  3648             if (!(term1 instanceof sc_Pair))
       
  3649                 return false;
       
  3650             else
       
  3651                 if (((term1.car)===(term2.car)))
       
  3652                     {
       
  3653                         (lst1 = (term1.cdr));
       
  3654                         (lst2 = (term2.cdr));
       
  3655                         while (true) {
       
  3656                             if ((lst1 === null))
       
  3657                                 return (lst2 === null);
       
  3658                             else
       
  3659                                 if ((lst2 === null))
       
  3660                                     return false;
       
  3661                                 else
       
  3662                                     if (((one_way_unify1_nboyer((lst1.car), (lst2.car)))!== false))
       
  3663                                         {
       
  3664                                             (lst1 = (lst1.cdr));
       
  3665                                             (lst2 = (lst2.cdr));
       
  3666                                         }
       
  3667                                     else
       
  3668                                         return false;
       
  3669                         }
       
  3670                     }
       
  3671                 else
       
  3672                     return false;
       
  3673     };
       
  3674     (false_term_nboyer = "\u1E9C*");
       
  3675     (true_term_nboyer = "\u1E9C*");
       
  3676     trans_of_implies1_nboyer = function(n) {
       
  3677         var sc_n_15;
       
  3678         return ((sc_isEqual(n, (1)))?(sc_list("\u1E9Cimplies", (0), (1))):(sc_list("\u1E9Cand", (sc_list("\u1E9Cimplies", (n-(1)), n)), ((sc_n_15 = (n-(1))), ((sc_isEqual(sc_n_15, (1)))?(sc_list("\u1E9Cimplies", (0), (1))):(sc_list("\u1E9Cand", (sc_list("\u1E9Cimplies", (sc_n_15-(1)), sc_n_15)), (trans_of_implies1_nboyer((sc_n_15-(1)))))))))));
       
  3679     };
       
  3680     is_term_equal_nboyer = function(x, y) {
       
  3681         var lst1;
       
  3682         var lst2;
       
  3683         var r2;
       
  3684         var r1;
       
  3685         if ((x instanceof sc_Pair))
       
  3686             if ((y instanceof sc_Pair))
       
  3687                 if ((((r1 = (x.car)), (r2 = (y.car)), (r1===r2))!== false))
       
  3688                     {
       
  3689                         (lst1 = (x.cdr));
       
  3690                         (lst2 = (y.cdr));
       
  3691                         while (true) {
       
  3692                             if ((lst1 === null))
       
  3693                                 return (lst2 === null);
       
  3694                             else
       
  3695                                 if ((lst2 === null))
       
  3696                                     return false;
       
  3697                                 else
       
  3698                                     if (((is_term_equal_nboyer((lst1.car), (lst2.car)))!== false))
       
  3699                                         {
       
  3700                                             (lst1 = (lst1.cdr));
       
  3701                                             (lst2 = (lst2.cdr));
       
  3702                                         }
       
  3703                                     else
       
  3704                                         return false;
       
  3705                         }
       
  3706                     }
       
  3707                 else
       
  3708                     return false;
       
  3709             else
       
  3710                 return false;
       
  3711         else
       
  3712             return (sc_isEqual(x, y));
       
  3713     };
       
  3714     is_term_member_nboyer = function(x, lst) {
       
  3715         var x;
       
  3716         var lst;
       
  3717         while (true) {
       
  3718             if ((lst === null))
       
  3719                 return false;
       
  3720             else
       
  3721                 if (((is_term_equal_nboyer(x, (lst.car)))!== false))
       
  3722                     return true;
       
  3723                 else
       
  3724                     (lst = (lst.cdr));
       
  3725         }
       
  3726     };
       
  3727     BgL_setupzd2boyerzd2 = function() {
       
  3728         var symbol_record;
       
  3729         var value;
       
  3730         var BgL_sc_symbolzd2record_16zd2;
       
  3731         var sym;
       
  3732         var sc_sym_17;
       
  3733         var term;
       
  3734         var lst;
       
  3735         var sc_term_18;
       
  3736         var sc_term_19;
       
  3737         {
       
  3738             (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null);
       
  3739             (if_constructor_nboyer = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer("\u1E9Cif")));
       
  3740             (false_term_nboyer = ((sc_term_19 = (new sc_Pair("\u1E9Cf",null))), (!(sc_term_19 instanceof sc_Pair)?sc_term_19:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_19.car))), (translate_args_nboyer((sc_term_19.cdr))))))));
       
  3741             (true_term_nboyer = ((sc_term_18 = (new sc_Pair("\u1E9Ct",null))), (!(sc_term_18 instanceof sc_Pair)?sc_term_18:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_18.car))), (translate_args_nboyer((sc_term_18.cdr))))))));
       
  3742             (lst = sc_const_3_nboyer);
       
  3743             while (!(lst === null)) {
       
  3744                 {
       
  3745                     (term = (lst.car));
       
  3746                     if (((term instanceof sc_Pair)&&(((term.car)==="\u1E9Cequal")&&((term.cdr.car) instanceof sc_Pair))))
       
  3747                         {
       
  3748                             (sc_sym_17 = ((term.cdr.car).car));
       
  3749                             (value = (new sc_Pair((!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr)))))), ((sym = ((term.cdr.car).car)), (BgL_sc_symbolzd2record_16zd2 = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer(sym))), (BgL_sc_symbolzd2record_16zd2[(1)])))));
       
  3750                             (symbol_record = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer(sc_sym_17)));
       
  3751                             (symbol_record[(1)] = value);
       
  3752                         }
       
  3753                     else
       
  3754                         (sc_error("ADD-LEMMA did not like term:  ", term));
       
  3755                     (lst = (lst.cdr));
       
  3756                 }
       
  3757             }
       
  3758             return true;
       
  3759         }
       
  3760     };
       
  3761     BgL_testzd2boyerzd2 = function(n) {
       
  3762         var optrOpnd;
       
  3763         var term;
       
  3764         var sc_n_20;
       
  3765         var answer;
       
  3766         var sc_term_21;
       
  3767         var sc_term_22;
       
  3768         {
       
  3769             (rewrite_count_nboyer = (0));
       
  3770             (term = sc_const_4_nboyer);
       
  3771             (sc_n_20 = n);
       
  3772             while (!(sc_n_20=== 0)) {
       
  3773                 {
       
  3774                     (term = (sc_list("\u1E9Cor", term, (new sc_Pair("\u1E9Cf",null)))));
       
  3775                     (--sc_n_20);
       
  3776                 }
       
  3777             }
       
  3778             (sc_term_22 = term);
       
  3779             if (!(sc_term_22 instanceof sc_Pair))
       
  3780                 (optrOpnd = sc_term_22);
       
  3781             else
       
  3782                 (optrOpnd = (new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_22.car))), (translate_args_nboyer((sc_term_22.cdr))))));
       
  3783             (sc_term_21 = (apply_subst_nboyer(((const_nboyer === null)?null:(new sc_Pair((new sc_Pair((const_nboyer.car.car), (translate_term_nboyer((const_nboyer.car.cdr))))), (translate_alist_nboyer((const_nboyer.cdr)))))), optrOpnd)));
       
  3784             (answer = (tautologyp_nboyer((rewrite_nboyer(sc_term_21)), null, null)));
       
  3785             (sc_write(rewrite_count_nboyer));
       
  3786             (sc_display(" rewrites"));
       
  3787             (sc_newline());
       
  3788             if ((answer!== false))
       
  3789                 return rewrite_count_nboyer;
       
  3790             else
       
  3791                 return false;
       
  3792         }
       
  3793     };
       
  3794 }
       
  3795 /* Exported Variables */
       
  3796 var BgL_parsezd2ze3nbzd2treesze3;
       
  3797 var BgL_earleyzd2benchmarkzd2;
       
  3798 var BgL_parsezd2ze3parsedzf3zc2;
       
  3799 var test;
       
  3800 var BgL_parsezd2ze3treesz31;
       
  3801 var BgL_makezd2parserzd2;
       
  3802 /* End Exports */
       
  3803 
       
  3804 var const_earley;
       
  3805 {
       
  3806     (const_earley = (new sc_Pair((new sc_Pair("\u1E9Cs",(new sc_Pair((new sc_Pair("\u1E9Ca",null)),(new sc_Pair((new sc_Pair("\u1E9Cs",(new sc_Pair("\u1E9Cs",null)))),null)))))),null)));
       
  3807     BgL_makezd2parserzd2 = function(grammar, lexer) {
       
  3808         var i;
       
  3809         var parser_descr;
       
  3810         var def_loop;
       
  3811         var nb_nts;
       
  3812         var names;
       
  3813         var steps;
       
  3814         var predictors;
       
  3815         var enders;
       
  3816         var starters;
       
  3817         var nts;
       
  3818         var sc_names_1;
       
  3819         var sc_steps_2;
       
  3820         var sc_predictors_3;
       
  3821         var sc_enders_4;
       
  3822         var sc_starters_5;
       
  3823         var nb_confs;
       
  3824         var BgL_sc_defzd2loop_6zd2;
       
  3825         var BgL_sc_nbzd2nts_7zd2;
       
  3826         var sc_nts_8;
       
  3827         var BgL_sc_defzd2loop_9zd2;
       
  3828         var ind;
       
  3829         {
       
  3830             ind = function(nt, sc_nts_10) {
       
  3831                 var i;
       
  3832                 {
       
  3833                     (i = ((sc_nts_10.length)-(1)));
       
  3834                     while (true) {
       
  3835                         if ((i>=(0)))
       
  3836                             if ((sc_isEqual((sc_nts_10[i]), nt)))
       
  3837                                 return i;
       
  3838                             else
       
  3839                                 (--i);
       
  3840                         else
       
  3841                             return false;
       
  3842                     }
       
  3843                 }
       
  3844             };
       
  3845             (sc_nts_8 = ((BgL_sc_defzd2loop_9zd2 = function(defs, sc_nts_11) {
       
  3846                 var rule_loop;
       
  3847                 var head;
       
  3848                 var def;
       
  3849                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, sc_nts_12) {
       
  3850                     var nt;
       
  3851                     var l;
       
  3852                     var sc_nts_13;
       
  3853                     var rule;
       
  3854                     if ((rules instanceof sc_Pair))
       
  3855                         {
       
  3856                             (rule = (rules.car));
       
  3857                             (l = rule);
       
  3858                             (sc_nts_13 = sc_nts_12);
       
  3859                             while ((l instanceof sc_Pair)) {
       
  3860                                 {
       
  3861                                     (nt = (l.car));
       
  3862                                     (l = (l.cdr));
       
  3863                                     (sc_nts_13 = (((sc_member(nt, sc_nts_13))!== false)?sc_nts_13:(new sc_Pair(nt, sc_nts_13))));
       
  3864                                 }
       
  3865                             }
       
  3866                             return (rule_loop((rules.cdr), sc_nts_13));
       
  3867                         }
       
  3868                     else
       
  3869                         return (BgL_sc_defzd2loop_9zd2((defs.cdr), sc_nts_12));
       
  3870                 }), (rule_loop((def.cdr), (((sc_member(head, sc_nts_11))!== false)?sc_nts_11:(new sc_Pair(head, sc_nts_11)))))):(sc_list2vector((sc_reverse(sc_nts_11)))));
       
  3871             }), (BgL_sc_defzd2loop_9zd2(grammar, null))));
       
  3872             (BgL_sc_nbzd2nts_7zd2 = (sc_nts_8.length));
       
  3873             (nb_confs = (((BgL_sc_defzd2loop_6zd2 = function(defs, BgL_sc_nbzd2confs_14zd2) {
       
  3874                 var rule_loop;
       
  3875                 var def;
       
  3876                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (rule_loop = function(rules, BgL_sc_nbzd2confs_15zd2) {
       
  3877                     var l;
       
  3878                     var BgL_sc_nbzd2confs_16zd2;
       
  3879                     var rule;
       
  3880                     if ((rules instanceof sc_Pair))
       
  3881                         {
       
  3882                             (rule = (rules.car));
       
  3883                             (l = rule);
       
  3884                             (BgL_sc_nbzd2confs_16zd2 = BgL_sc_nbzd2confs_15zd2);
       
  3885                             while ((l instanceof sc_Pair)) {
       
  3886                                 {
       
  3887                                     (l = (l.cdr));
       
  3888                                     (++BgL_sc_nbzd2confs_16zd2);
       
  3889                                 }
       
  3890                             }
       
  3891                             return (rule_loop((rules.cdr), (BgL_sc_nbzd2confs_16zd2+(1))));
       
  3892                         }
       
  3893                     else
       
  3894                         return (BgL_sc_defzd2loop_6zd2((defs.cdr), BgL_sc_nbzd2confs_15zd2));
       
  3895                 }), (rule_loop((def.cdr), BgL_sc_nbzd2confs_14zd2))):BgL_sc_nbzd2confs_14zd2);
       
  3896             }), (BgL_sc_defzd2loop_6zd2(grammar, (0))))+BgL_sc_nbzd2nts_7zd2));
       
  3897             (sc_starters_5 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
       
  3898             (sc_enders_4 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
       
  3899             (sc_predictors_3 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
       
  3900             (sc_steps_2 = (sc_makeVector(nb_confs, false)));
       
  3901             (sc_names_1 = (sc_makeVector(nb_confs, false)));
       
  3902             (nts = sc_nts_8);
       
  3903             (starters = sc_starters_5);
       
  3904             (enders = sc_enders_4);
       
  3905             (predictors = sc_predictors_3);
       
  3906             (steps = sc_steps_2);
       
  3907             (names = sc_names_1);
       
  3908             (nb_nts = (sc_nts_8.length));
       
  3909             (i = (nb_nts-(1)));
       
  3910             while ((i>=(0))) {
       
  3911                 {
       
  3912                     (sc_steps_2[i] = (i-nb_nts));
       
  3913                     (sc_names_1[i] = (sc_list((sc_nts_8[i]), (0))));
       
  3914                     (sc_enders_4[i] = (sc_list(i)));
       
  3915                     (--i);
       
  3916                 }
       
  3917             }
       
  3918             def_loop = function(defs, conf) {
       
  3919                 var rule_loop;
       
  3920                 var head;
       
  3921                 var def;
       
  3922                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, conf, rule_num) {
       
  3923                     var i;
       
  3924                     var sc_i_17;
       
  3925                     var nt;
       
  3926                     var l;
       
  3927                     var sc_conf_18;
       
  3928                     var sc_i_19;
       
  3929                     var rule;
       
  3930                     if ((rules instanceof sc_Pair))
       
  3931                         {
       
  3932                             (rule = (rules.car));
       
  3933                             (names[conf] = (sc_list(head, rule_num)));
       
  3934                             (sc_i_19 = (ind(head, nts)));
       
  3935                             (starters[sc_i_19] = (new sc_Pair(conf, (starters[sc_i_19]))));
       
  3936                             (l = rule);
       
  3937                             (sc_conf_18 = conf);
       
  3938                             while ((l instanceof sc_Pair)) {
       
  3939                                 {
       
  3940                                     (nt = (l.car));
       
  3941                                     (steps[sc_conf_18] = (ind(nt, nts)));
       
  3942                                     (sc_i_17 = (ind(nt, nts)));
       
  3943                                     (predictors[sc_i_17] = (new sc_Pair(sc_conf_18, (predictors[sc_i_17]))));
       
  3944                                     (l = (l.cdr));
       
  3945                                     (++sc_conf_18);
       
  3946                                 }
       
  3947                             }
       
  3948                             (steps[sc_conf_18] = ((ind(head, nts))-nb_nts));
       
  3949                             (i = (ind(head, nts)));
       
  3950                             (enders[i] = (new sc_Pair(sc_conf_18, (enders[i]))));
       
  3951                             return (rule_loop((rules.cdr), (sc_conf_18+(1)), (rule_num+(1))));
       
  3952                         }
       
  3953                     else
       
  3954                         return (def_loop((defs.cdr), conf));
       
  3955                 }), (rule_loop((def.cdr), conf, (1)))):undefined);
       
  3956             };
       
  3957             (def_loop(grammar, (sc_nts_8.length)));
       
  3958             (parser_descr = [lexer, sc_nts_8, sc_starters_5, sc_enders_4, sc_predictors_3, sc_steps_2, sc_names_1]);
       
  3959             return function(input) {
       
  3960                 var optrOpnd;
       
  3961                 var sc_optrOpnd_20;
       
  3962                 var sc_optrOpnd_21;
       
  3963                 var sc_optrOpnd_22;
       
  3964                 var loop1;
       
  3965                 var BgL_sc_stateza2_23za2;
       
  3966                 var toks;
       
  3967                 var BgL_sc_nbzd2nts_24zd2;
       
  3968                 var sc_steps_25;
       
  3969                 var sc_enders_26;
       
  3970                 var state_num;
       
  3971                 var BgL_sc_statesza2_27za2;
       
  3972                 var states;
       
  3973                 var i;
       
  3974                 var conf;
       
  3975                 var l;
       
  3976                 var tok_nts;
       
  3977                 var sc_i_28;
       
  3978                 var sc_i_29;
       
  3979                 var l1;
       
  3980                 var l2;
       
  3981                 var tok;
       
  3982                 var tail1129;
       
  3983                 var L1125;
       
  3984                 var goal_enders;
       
  3985                 var BgL_sc_statesza2_30za2;
       
  3986                 var BgL_sc_nbzd2nts_31zd2;
       
  3987                 var BgL_sc_nbzd2confs_32zd2;
       
  3988                 var nb_toks;
       
  3989                 var goal_starters;
       
  3990                 var sc_states_33;
       
  3991                 var BgL_sc_nbzd2confs_34zd2;
       
  3992                 var BgL_sc_nbzd2toks_35zd2;
       
  3993                 var sc_toks_36;
       
  3994                 var falseHead1128;
       
  3995                 var sc_names_37;
       
  3996                 var sc_steps_38;
       
  3997                 var sc_predictors_39;
       
  3998                 var sc_enders_40;
       
  3999                 var sc_starters_41;
       
  4000                 var sc_nts_42;
       
  4001                 var lexer;
       
  4002                 var sc_ind_43;
       
  4003                 var make_states;
       
  4004                 var BgL_sc_confzd2setzd2getza2_44za2;
       
  4005                 var conf_set_merge_new_bang;
       
  4006                 var conf_set_adjoin;
       
  4007                 var BgL_sc_confzd2setzd2adjoinza2_45za2;
       
  4008                 var BgL_sc_confzd2setzd2adjoinza2za2_46z00;
       
  4009                 var conf_set_union;
       
  4010                 var forw;
       
  4011                 var is_parsed;
       
  4012                 var deriv_trees;
       
  4013                 var BgL_sc_derivzd2treesza2_47z70;
       
  4014                 var nb_deriv_trees;
       
  4015                 var BgL_sc_nbzd2derivzd2treesza2_48za2;
       
  4016                 {
       
  4017                     sc_ind_43 = function(nt, sc_nts_49) {
       
  4018                         var i;
       
  4019                         {
       
  4020                             (i = ((sc_nts_49.length)-(1)));
       
  4021                             while (true) {
       
  4022                                 if ((i>=(0)))
       
  4023                                     if ((sc_isEqual((sc_nts_49[i]), nt)))
       
  4024                                         return i;
       
  4025                                     else
       
  4026                                         (--i);
       
  4027                                 else
       
  4028                                     return false;
       
  4029                             }
       
  4030                         }
       
  4031                     };
       
  4032                     make_states = function(BgL_sc_nbzd2toks_50zd2, BgL_sc_nbzd2confs_51zd2) {
       
  4033                         var v;
       
  4034                         var i;
       
  4035                         var sc_states_52;
       
  4036                         {
       
  4037                             (sc_states_52 = (sc_makeVector((BgL_sc_nbzd2toks_50zd2+(1)), false)));
       
  4038                             (i = BgL_sc_nbzd2toks_50zd2);
       
  4039                             while ((i>=(0))) {
       
  4040                                 {
       
  4041                                     (v = (sc_makeVector((BgL_sc_nbzd2confs_51zd2+(1)), false)));
       
  4042                                     (v[(0)] = (-1));
       
  4043                                     (sc_states_52[i] = v);
       
  4044                                     (--i);
       
  4045                                 }
       
  4046                             }
       
  4047                             return sc_states_52;
       
  4048                         }
       
  4049                     };
       
  4050                     BgL_sc_confzd2setzd2getza2_44za2 = function(state, BgL_sc_statezd2num_53zd2, sc_conf_54) {
       
  4051                         var conf_set;
       
  4052                         var BgL_sc_confzd2set_55zd2;
       
  4053                         return ((BgL_sc_confzd2set_55zd2 = (state[(sc_conf_54+(1))])), ((BgL_sc_confzd2set_55zd2!== false)?BgL_sc_confzd2set_55zd2:((conf_set = (sc_makeVector((BgL_sc_statezd2num_53zd2+(6)), false))), (conf_set[(1)] = (-3)), (conf_set[(2)] = (-1)), (conf_set[(3)] = (-1)), (conf_set[(4)] = (-1)), (state[(sc_conf_54+(1))] = conf_set), conf_set)));
       
  4054                     };
       
  4055                     conf_set_merge_new_bang = function(conf_set) {
       
  4056                         return ((conf_set[((conf_set[(1)])+(5))] = (conf_set[(4)])), (conf_set[(1)] = (conf_set[(3)])), (conf_set[(3)] = (-1)), (conf_set[(4)] = (-1)));
       
  4057                     };
       
  4058                     conf_set_adjoin = function(state, conf_set, sc_conf_56, i) {
       
  4059                         var tail;
       
  4060                         return ((tail = (conf_set[(3)])), (conf_set[(i+(5))] = (-1)), (conf_set[(tail+(5))] = i), (conf_set[(3)] = i), ((tail<(0))?((conf_set[(0)] = (state[(0)])), (state[(0)] = sc_conf_56)):undefined));
       
  4061                     };
       
  4062                     BgL_sc_confzd2setzd2adjoinza2_45za2 = function(sc_states_57, BgL_sc_statezd2num_58zd2, l, i) {
       
  4063                         var conf_set;
       
  4064                         var sc_conf_59;
       
  4065                         var l1;
       
  4066                         var state;
       
  4067                         {
       
  4068                             (state = (sc_states_57[BgL_sc_statezd2num_58zd2]));
       
  4069                             (l1 = l);
       
  4070                             while ((l1 instanceof sc_Pair)) {
       
  4071                                 {
       
  4072                                     (sc_conf_59 = (l1.car));
       
  4073                                     (conf_set = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_58zd2, sc_conf_59)));
       
  4074                                     if (((conf_set[(i+(5))])=== false))
       
  4075                                         {
       
  4076                                             (conf_set_adjoin(state, conf_set, sc_conf_59, i));
       
  4077                                             (l1 = (l1.cdr));
       
  4078                                         }
       
  4079                                     else
       
  4080                                         (l1 = (l1.cdr));
       
  4081                                 }
       
  4082                             }
       
  4083                             return undefined;
       
  4084                         }
       
  4085                     };
       
  4086                     BgL_sc_confzd2setzd2adjoinza2za2_46z00 = function(sc_states_60, BgL_sc_statesza2_61za2, BgL_sc_statezd2num_62zd2, sc_conf_63, i) {
       
  4087                         var BgL_sc_confzd2setza2_64z70;
       
  4088                         var BgL_sc_stateza2_65za2;
       
  4089                         var conf_set;
       
  4090                         var state;
       
  4091                         return ((state = (sc_states_60[BgL_sc_statezd2num_62zd2])), ((((conf_set = (state[(sc_conf_63+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)?((BgL_sc_stateza2_65za2 = (BgL_sc_statesza2_61za2[BgL_sc_statezd2num_62zd2])), (BgL_sc_confzd2setza2_64z70 = (BgL_sc_confzd2setzd2getza2_44za2(BgL_sc_stateza2_65za2, BgL_sc_statezd2num_62zd2, sc_conf_63))), (((BgL_sc_confzd2setza2_64z70[(i+(5))])=== false)?(conf_set_adjoin(BgL_sc_stateza2_65za2, BgL_sc_confzd2setza2_64z70, sc_conf_63, i)):undefined), true):false));
       
  4092                     };
       
  4093                     conf_set_union = function(state, conf_set, sc_conf_66, other_set) {
       
  4094                         var i;
       
  4095                         {
       
  4096                             (i = (other_set[(2)]));
       
  4097                             while ((i>=(0))) {
       
  4098                                 if (((conf_set[(i+(5))])=== false))
       
  4099                                     {
       
  4100                                         (conf_set_adjoin(state, conf_set, sc_conf_66, i));
       
  4101                                         (i = (other_set[(i+(5))]));
       
  4102                                     }
       
  4103                                 else
       
  4104                                     (i = (other_set[(i+(5))]));
       
  4105                             }
       
  4106                             return undefined;
       
  4107                         }
       
  4108                     };
       
  4109                     forw = function(sc_states_67, BgL_sc_statezd2num_68zd2, sc_starters_69, sc_enders_70, sc_predictors_71, sc_steps_72, sc_nts_73) {
       
  4110                         var next_set;
       
  4111                         var next;
       
  4112                         var conf_set;
       
  4113                         var ender;
       
  4114                         var l;
       
  4115                         var starter_set;
       
  4116                         var starter;
       
  4117                         var sc_l_74;
       
  4118                         var sc_loop1_75;
       
  4119                         var head;
       
  4120                         var BgL_sc_confzd2set_76zd2;
       
  4121                         var BgL_sc_statezd2num_77zd2;
       
  4122                         var state;
       
  4123                         var sc_states_78;
       
  4124                         var preds;
       
  4125                         var BgL_sc_confzd2set_79zd2;
       
  4126                         var step;
       
  4127                         var sc_conf_80;
       
  4128                         var BgL_sc_nbzd2nts_81zd2;
       
  4129                         var sc_state_82;
       
  4130                         {
       
  4131                             (sc_state_82 = (sc_states_67[BgL_sc_statezd2num_68zd2]));
       
  4132                             (BgL_sc_nbzd2nts_81zd2 = (sc_nts_73.length));
       
  4133                             while (true) {
       
  4134                                 {
       
  4135                                     (sc_conf_80 = (sc_state_82[(0)]));
       
  4136                                     if ((sc_conf_80>=(0)))
       
  4137                                         {
       
  4138                                             (step = (sc_steps_72[sc_conf_80]));
       
  4139                                             (BgL_sc_confzd2set_79zd2 = (sc_state_82[(sc_conf_80+(1))]));
       
  4140                                             (head = (BgL_sc_confzd2set_79zd2[(4)]));
       
  4141                                             (sc_state_82[(0)] = (BgL_sc_confzd2set_79zd2[(0)]));
       
  4142                                             (conf_set_merge_new_bang(BgL_sc_confzd2set_79zd2));
       
  4143                                             if ((step>=(0)))
       
  4144                                                 {
       
  4145                                                     (sc_l_74 = (sc_starters_69[step]));
       
  4146                                                     while ((sc_l_74 instanceof sc_Pair)) {
       
  4147                                                         {
       
  4148                                                             (starter = (sc_l_74.car));
       
  4149                                                             (starter_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, starter)));
       
  4150                                                             if (((starter_set[(BgL_sc_statezd2num_68zd2+(5))])=== false))
       
  4151                                                                 {
       
  4152                                                                     (conf_set_adjoin(sc_state_82, starter_set, starter, BgL_sc_statezd2num_68zd2));
       
  4153                                                                     (sc_l_74 = (sc_l_74.cdr));
       
  4154                                                                 }
       
  4155                                                             else
       
  4156                                                                 (sc_l_74 = (sc_l_74.cdr));
       
  4157                                                         }
       
  4158                                                     }
       
  4159                                                     (l = (sc_enders_70[step]));
       
  4160                                                     while ((l instanceof sc_Pair)) {
       
  4161                                                         {
       
  4162                                                             (ender = (l.car));
       
  4163                                                             if ((((conf_set = (sc_state_82[(ender+(1))])), ((conf_set!== false)?(conf_set[(BgL_sc_statezd2num_68zd2+(5))]):false))!== false))
       
  4164                                                                 {
       
  4165                                                                     (next = (sc_conf_80+(1)));
       
  4166                                                                     (next_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, next)));
       
  4167                                                                     (conf_set_union(sc_state_82, next_set, next, BgL_sc_confzd2set_79zd2));
       
  4168                                                                     (l = (l.cdr));
       
  4169                                                                 }
       
  4170                                                             else
       
  4171                                                                 (l = (l.cdr));
       
  4172                                                         }
       
  4173                                                     }
       
  4174                                                 }
       
  4175                                             else
       
  4176                                                 {
       
  4177                                                     (preds = (sc_predictors_71[(step+BgL_sc_nbzd2nts_81zd2)]));
       
  4178                                                     (sc_states_78 = sc_states_67);
       
  4179                                                     (state = sc_state_82);
       
  4180                                                     (BgL_sc_statezd2num_77zd2 = BgL_sc_statezd2num_68zd2);
       
  4181                                                     (BgL_sc_confzd2set_76zd2 = BgL_sc_confzd2set_79zd2);
       
  4182                                                     sc_loop1_75 = function(l) {
       
  4183                                                         var sc_state_83;
       
  4184                                                         var BgL_sc_nextzd2set_84zd2;
       
  4185                                                         var sc_next_85;
       
  4186                                                         var pred_set;
       
  4187                                                         var i;
       
  4188                                                         var pred;
       
  4189                                                         if ((l instanceof sc_Pair))
       
  4190                                                             {
       
  4191                                                                 (pred = (l.car));
       
  4192                                                                 (i = head);
       
  4193                                                                 while ((i>=(0))) {
       
  4194                                                                     {
       
  4195                                                                         (pred_set = ((sc_state_83 = (sc_states_78[i])), (sc_state_83[(pred+(1))])));
       
  4196                                                                         if ((pred_set!== false))
       
  4197                                                                             {
       
  4198                                                                                 (sc_next_85 = (pred+(1)));
       
  4199                                                                                 (BgL_sc_nextzd2set_84zd2 = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_77zd2, sc_next_85)));
       
  4200                                                                                 (conf_set_union(state, BgL_sc_nextzd2set_84zd2, sc_next_85, pred_set));
       
  4201                                                                             }
       
  4202                                                                         (i = (BgL_sc_confzd2set_76zd2[(i+(5))]));
       
  4203                                                                     }
       
  4204                                                                 }
       
  4205                                                                 return (sc_loop1_75((l.cdr)));
       
  4206                                                             }
       
  4207                                                         else
       
  4208                                                             return undefined;
       
  4209                                                     };
       
  4210                                                     (sc_loop1_75(preds));
       
  4211                                                 }
       
  4212                                         }
       
  4213                                     else
       
  4214                                         return undefined;
       
  4215                                 }
       
  4216                             }
       
  4217                         }
       
  4218                     };
       
  4219                     is_parsed = function(nt, i, j, sc_nts_86, sc_enders_87, sc_states_88) {
       
  4220                         var conf_set;
       
  4221                         var state;
       
  4222                         var sc_conf_89;
       
  4223                         var l;
       
  4224                         var BgL_sc_ntza2_90za2;
       
  4225                         {
       
  4226                             (BgL_sc_ntza2_90za2 = (sc_ind_43(nt, sc_nts_86)));
       
  4227                             if ((BgL_sc_ntza2_90za2!== false))
       
  4228                                 {
       
  4229                                     (sc_nts_86.length);
       
  4230                                     (l = (sc_enders_87[BgL_sc_ntza2_90za2]));
       
  4231                                     while (true) {
       
  4232                                         if ((l instanceof sc_Pair))
       
  4233                                             {
       
  4234                                                 (sc_conf_89 = (l.car));
       
  4235                                                 if ((((state = (sc_states_88[j])), (conf_set = (state[(sc_conf_89+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
       
  4236                                                     return true;
       
  4237                                                 else
       
  4238                                                     (l = (l.cdr));
       
  4239                                             }
       
  4240                                         else
       
  4241                                             return false;
       
  4242                                     }
       
  4243                                 }
       
  4244                             else
       
  4245                                 return false;
       
  4246                         }
       
  4247                     };
       
  4248                     deriv_trees = function(sc_conf_91, i, j, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2) {
       
  4249                         var sc_loop1_98;
       
  4250                         var prev;
       
  4251                         var name;
       
  4252                         return ((name = (sc_names_94[sc_conf_91])), ((name!== false)?((sc_conf_91<BgL_sc_nbzd2nts_97zd2)?(sc_list((sc_list(name, ((sc_toks_95[i]).car))))):(sc_list((sc_list(name))))):((prev = (sc_conf_91-(1))), (sc_loop1_98 = function(l1, l2) {
       
  4253                             var loop2;
       
  4254                             var ender_set;
       
  4255                             var state;
       
  4256                             var ender;
       
  4257                             var l1;
       
  4258                             var l2;
       
  4259                             while (true) {
       
  4260                                 if ((l1 instanceof sc_Pair))
       
  4261                                     {
       
  4262                                         (ender = (l1.car));
       
  4263                                         (ender_set = ((state = (sc_states_96[j])), (state[(ender+(1))])));
       
  4264                                         if ((ender_set!== false))
       
  4265                                             {
       
  4266                                                 loop2 = function(k, l2) {
       
  4267                                                     var loop3;
       
  4268                                                     var ender_trees;
       
  4269                                                     var prev_trees;
       
  4270                                                     var conf_set;
       
  4271                                                     var sc_state_99;
       
  4272                                                     var k;
       
  4273                                                     var l2;
       
  4274                                                     while (true) {
       
  4275                                                         if ((k>=(0)))
       
  4276                                                             if (((k>=i)&&(((sc_state_99 = (sc_states_96[k])), (conf_set = (sc_state_99[(prev+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)))
       
  4277                                                                 {
       
  4278                                                                     (prev_trees = (deriv_trees(prev, i, k, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2)));
       
  4279                                                                     (ender_trees = (deriv_trees(ender, k, j, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2)));
       
  4280                                                                     loop3 = function(l3, l2) {
       
  4281                                                                         var l4;
       
  4282                                                                         var sc_l2_100;
       
  4283                                                                         var ender_tree;
       
  4284                                                                         if ((l3 instanceof sc_Pair))
       
  4285                                                                             {
       
  4286                                                                                 (ender_tree = (sc_list((l3.car))));
       
  4287                                                                                 (l4 = prev_trees);
       
  4288                                                                                 (sc_l2_100 = l2);
       
  4289                                                                                 while ((l4 instanceof sc_Pair)) {
       
  4290                                                                                     {
       
  4291                                                                                         (sc_l2_100 = (new sc_Pair((sc_append((l4.car), ender_tree)), sc_l2_100)));
       
  4292                                                                                         (l4 = (l4.cdr));
       
  4293                                                                                     }
       
  4294                                                                                 }
       
  4295                                                                                 return (loop3((l3.cdr), sc_l2_100));
       
  4296                                                                             }
       
  4297                                                                         else
       
  4298                                                                             return (loop2((ender_set[(k+(5))]), l2));
       
  4299                                                                     };
       
  4300                                                                     return (loop3(ender_trees, l2));
       
  4301                                                                 }
       
  4302                                                             else
       
  4303                                                                 (k = (ender_set[(k+(5))]));
       
  4304                                                         else
       
  4305                                                             return (sc_loop1_98((l1.cdr), l2));
       
  4306                                                     }
       
  4307                                                 };
       
  4308                                                 return (loop2((ender_set[(2)]), l2));
       
  4309                                             }
       
  4310                                         else
       
  4311                                             (l1 = (l1.cdr));
       
  4312                                     }
       
  4313                                 else
       
  4314                                     return l2;
       
  4315                             }
       
  4316                         }), (sc_loop1_98((sc_enders_92[(sc_steps_93[prev])]), null)))));
       
  4317                     };
       
  4318                     BgL_sc_derivzd2treesza2_47z70 = function(nt, i, j, sc_nts_101, sc_enders_102, sc_steps_103, sc_names_104, sc_toks_105, sc_states_106) {
       
  4319                         var conf_set;
       
  4320                         var state;
       
  4321                         var sc_conf_107;
       
  4322                         var l;
       
  4323                         var trees;
       
  4324                         var BgL_sc_nbzd2nts_108zd2;
       
  4325                         var BgL_sc_ntza2_109za2;
       
  4326                         {
       
  4327                             (BgL_sc_ntza2_109za2 = (sc_ind_43(nt, sc_nts_101)));
       
  4328                             if ((BgL_sc_ntza2_109za2!== false))
       
  4329                                 {
       
  4330                                     (BgL_sc_nbzd2nts_108zd2 = (sc_nts_101.length));
       
  4331                                     (l = (sc_enders_102[BgL_sc_ntza2_109za2]));
       
  4332                                     (trees = null);
       
  4333                                     while ((l instanceof sc_Pair)) {
       
  4334                                         {
       
  4335                                             (sc_conf_107 = (l.car));
       
  4336                                             if ((((state = (sc_states_106[j])), (conf_set = (state[(sc_conf_107+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
       
  4337                                                 {
       
  4338                                                     (l = (l.cdr));
       
  4339                                                     (trees = (sc_append((deriv_trees(sc_conf_107, i, j, sc_enders_102, sc_steps_103, sc_names_104, sc_toks_105, sc_states_106, BgL_sc_nbzd2nts_108zd2)), trees)));
       
  4340                                                 }
       
  4341                                             else
       
  4342                                                 (l = (l.cdr));
       
  4343                                         }
       
  4344                                     }
       
  4345                                     return trees;
       
  4346                                 }
       
  4347                             else
       
  4348                                 return false;
       
  4349                         }
       
  4350                     };
       
  4351                     nb_deriv_trees = function(sc_conf_110, i, j, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2) {
       
  4352                         var sc_loop1_116;
       
  4353                         var tmp1124;
       
  4354                         var prev;
       
  4355                         return ((prev = (sc_conf_110-(1))), ((((tmp1124 = (sc_conf_110<BgL_sc_nbzd2nts_115zd2)), ((tmp1124!== false)?tmp1124:((sc_steps_112[prev])<(0))))!== false)?(1):((sc_loop1_116 = function(l, sc_n_118) {
       
  4356                             var nb_ender_trees;
       
  4357                             var nb_prev_trees;
       
  4358                             var conf_set;
       
  4359                             var state;
       
  4360                             var k;
       
  4361                             var n;
       
  4362                             var ender_set;
       
  4363                             var sc_state_117;
       
  4364                             var ender;
       
  4365                             var l;
       
  4366                             var sc_n_118;
       
  4367                             while (true) {
       
  4368                                 if ((l instanceof sc_Pair))
       
  4369                                     {
       
  4370                                         (ender = (l.car));
       
  4371                                         (ender_set = ((sc_state_117 = (sc_states_114[j])), (sc_state_117[(ender+(1))])));
       
  4372                                         if ((ender_set!== false))
       
  4373                                             {
       
  4374                                                 (k = (ender_set[(2)]));
       
  4375                                                 (n = sc_n_118);
       
  4376                                                 while ((k>=(0))) {
       
  4377                                                     if (((k>=i)&&(((state = (sc_states_114[k])), (conf_set = (state[(prev+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)))
       
  4378                                                         {
       
  4379                                                             (nb_prev_trees = (nb_deriv_trees(prev, i, k, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2)));
       
  4380                                                             (nb_ender_trees = (nb_deriv_trees(ender, k, j, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2)));
       
  4381                                                             (k = (ender_set[(k+(5))]));
       
  4382                                                             (n +=(nb_prev_trees*nb_ender_trees));
       
  4383                                                         }
       
  4384                                                     else
       
  4385                                                         (k = (ender_set[(k+(5))]));
       
  4386                                                 }
       
  4387                                                 return (sc_loop1_116((l.cdr), n));
       
  4388                                             }
       
  4389                                         else
       
  4390                                             (l = (l.cdr));
       
  4391                                     }
       
  4392                                 else
       
  4393                                     return sc_n_118;
       
  4394                             }
       
  4395                         }), (sc_loop1_116((sc_enders_111[(sc_steps_112[prev])]), (0))))));
       
  4396                     };
       
  4397                     BgL_sc_nbzd2derivzd2treesza2_48za2 = function(nt, i, j, sc_nts_119, sc_enders_120, sc_steps_121, sc_toks_122, sc_states_123) {
       
  4398                         var conf_set;
       
  4399                         var state;
       
  4400                         var sc_conf_124;
       
  4401                         var l;
       
  4402                         var nb_trees;
       
  4403                         var BgL_sc_nbzd2nts_125zd2;
       
  4404                         var BgL_sc_ntza2_126za2;
       
  4405                         {
       
  4406                             (BgL_sc_ntza2_126za2 = (sc_ind_43(nt, sc_nts_119)));
       
  4407                             if ((BgL_sc_ntza2_126za2!== false))
       
  4408                                 {
       
  4409                                     (BgL_sc_nbzd2nts_125zd2 = (sc_nts_119.length));
       
  4410                                     (l = (sc_enders_120[BgL_sc_ntza2_126za2]));
       
  4411                                     (nb_trees = (0));
       
  4412                                     while ((l instanceof sc_Pair)) {
       
  4413                                         {
       
  4414                                             (sc_conf_124 = (l.car));
       
  4415                                             if ((((state = (sc_states_123[j])), (conf_set = (state[(sc_conf_124+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
       
  4416                                                 {
       
  4417                                                     (l = (l.cdr));
       
  4418                                                     (nb_trees = ((nb_deriv_trees(sc_conf_124, i, j, sc_enders_120, sc_steps_121, sc_toks_122, sc_states_123, BgL_sc_nbzd2nts_125zd2))+nb_trees));
       
  4419                                                 }
       
  4420                                             else
       
  4421                                                 (l = (l.cdr));
       
  4422                                         }
       
  4423                                     }
       
  4424                                     return nb_trees;
       
  4425                                 }
       
  4426                             else
       
  4427                                 return false;
       
  4428                         }
       
  4429                     };
       
  4430                     (lexer = (parser_descr[(0)]));
       
  4431                     (sc_nts_42 = (parser_descr[(1)]));
       
  4432                     (sc_starters_41 = (parser_descr[(2)]));
       
  4433                     (sc_enders_40 = (parser_descr[(3)]));
       
  4434                     (sc_predictors_39 = (parser_descr[(4)]));
       
  4435                     (sc_steps_38 = (parser_descr[(5)]));
       
  4436                     (sc_names_37 = (parser_descr[(6)]));
       
  4437                     (falseHead1128 = (new sc_Pair(null, null)));
       
  4438                     (L1125 = (lexer(input)));
       
  4439                     (tail1129 = falseHead1128);
       
  4440                     while (!(L1125 === null)) {
       
  4441                         {
       
  4442                             (tok = (L1125.car));
       
  4443                             (l1 = (tok.cdr));
       
  4444                             (l2 = null);
       
  4445                             while ((l1 instanceof sc_Pair)) {
       
  4446                                 {
       
  4447                                     (sc_i_29 = (sc_ind_43((l1.car), sc_nts_42)));
       
  4448                                     if ((sc_i_29!== false))
       
  4449                                         {
       
  4450                                             (l1 = (l1.cdr));
       
  4451                                             (l2 = (new sc_Pair(sc_i_29, l2)));
       
  4452                                         }
       
  4453                                     else
       
  4454                                         (l1 = (l1.cdr));
       
  4455                                 }
       
  4456                             }
       
  4457                             (sc_optrOpnd_22 = (new sc_Pair((tok.car), (sc_reverse(l2)))));
       
  4458                             (sc_optrOpnd_21 = (new sc_Pair(sc_optrOpnd_22, null)));
       
  4459                             (tail1129.cdr = sc_optrOpnd_21);
       
  4460                             (tail1129 = (tail1129.cdr));
       
  4461                             (L1125 = (L1125.cdr));
       
  4462                         }
       
  4463                     }
       
  4464                     (sc_optrOpnd_20 = (falseHead1128.cdr));
       
  4465                     (sc_toks_36 = (sc_list2vector(sc_optrOpnd_20)));
       
  4466                     (BgL_sc_nbzd2toks_35zd2 = (sc_toks_36.length));
       
  4467                     (BgL_sc_nbzd2confs_34zd2 = (sc_steps_38.length));
       
  4468                     (sc_states_33 = (make_states(BgL_sc_nbzd2toks_35zd2, BgL_sc_nbzd2confs_34zd2)));
       
  4469                     (goal_starters = (sc_starters_41[(0)]));
       
  4470                     (BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (0), goal_starters, (0)));
       
  4471                     (forw(sc_states_33, (0), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42));
       
  4472                     (sc_i_28 = (0));
       
  4473                     while ((sc_i_28<BgL_sc_nbzd2toks_35zd2)) {
       
  4474                         {
       
  4475                             (tok_nts = ((sc_toks_36[sc_i_28]).cdr));
       
  4476                             (BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (sc_i_28+(1)), tok_nts, sc_i_28));
       
  4477                             (forw(sc_states_33, (sc_i_28+(1)), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42));
       
  4478                             (++sc_i_28);
       
  4479                         }
       
  4480                     }
       
  4481                     (nb_toks = (sc_toks_36.length));
       
  4482                     (BgL_sc_nbzd2confs_32zd2 = (sc_steps_38.length));
       
  4483                     (BgL_sc_nbzd2nts_31zd2 = (sc_nts_42.length));
       
  4484                     (BgL_sc_statesza2_30za2 = (make_states(nb_toks, BgL_sc_nbzd2confs_32zd2)));
       
  4485                     (goal_enders = (sc_enders_40[(0)]));
       
  4486                     (l = goal_enders);
       
  4487                     while ((l instanceof sc_Pair)) {
       
  4488                         {
       
  4489                             (conf = (l.car));
       
  4490                             (BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_33, BgL_sc_statesza2_30za2, nb_toks, conf, (0)));
       
  4491                             (l = (l.cdr));
       
  4492                         }
       
  4493                     }
       
  4494                     (i = nb_toks);
       
  4495                     while ((i>=(0))) {
       
  4496                         {
       
  4497                             (states = sc_states_33);
       
  4498                             (BgL_sc_statesza2_27za2 = BgL_sc_statesza2_30za2);
       
  4499                             (state_num = i);
       
  4500                             (sc_enders_26 = sc_enders_40);
       
  4501                             (sc_steps_25 = sc_steps_38);
       
  4502                             (BgL_sc_nbzd2nts_24zd2 = BgL_sc_nbzd2nts_31zd2);
       
  4503                             (toks = sc_toks_36);
       
  4504                             (BgL_sc_stateza2_23za2 = (BgL_sc_statesza2_30za2[i]));
       
  4505                             loop1 = function() {
       
  4506                                 var sc_loop1_127;
       
  4507                                 var prev;
       
  4508                                 var BgL_sc_statesza2_128za2;
       
  4509                                 var sc_states_129;
       
  4510                                 var j;
       
  4511                                 var i;
       
  4512                                 var sc_i_130;
       
  4513                                 var head;
       
  4514                                 var conf_set;
       
  4515                                 var sc_conf_131;
       
  4516                                 {
       
  4517                                     (sc_conf_131 = (BgL_sc_stateza2_23za2[(0)]));
       
  4518                                     if ((sc_conf_131>=(0)))
       
  4519                                         {
       
  4520                                             (conf_set = (BgL_sc_stateza2_23za2[(sc_conf_131+(1))]));
       
  4521                                             (head = (conf_set[(4)]));
       
  4522                                             (BgL_sc_stateza2_23za2[(0)] = (conf_set[(0)]));
       
  4523                                             (conf_set_merge_new_bang(conf_set));
       
  4524                                             (sc_i_130 = head);
       
  4525                                             while ((sc_i_130>=(0))) {
       
  4526                                                 {
       
  4527                                                     (i = sc_i_130);
       
  4528                                                     (j = state_num);
       
  4529                                                     (sc_states_129 = states);
       
  4530                                                     (BgL_sc_statesza2_128za2 = BgL_sc_statesza2_27za2);
       
  4531                                                     (prev = (sc_conf_131-(1)));
       
  4532                                                     if (((sc_conf_131>=BgL_sc_nbzd2nts_24zd2)&&((sc_steps_25[prev])>=(0))))
       
  4533                                                         {
       
  4534                                                             sc_loop1_127 = function(l) {
       
  4535                                                                 var k;
       
  4536                                                                 var ender_set;
       
  4537                                                                 var state;
       
  4538                                                                 var ender;
       
  4539                                                                 var l;
       
  4540                                                                 while (true) {
       
  4541                                                                     if ((l instanceof sc_Pair))
       
  4542                                                                         {
       
  4543                                                                             (ender = (l.car));
       
  4544                                                                             (ender_set = ((state = (sc_states_129[j])), (state[(ender+(1))])));
       
  4545                                                                             if ((ender_set!== false))
       
  4546                                                                                 {
       
  4547                                                                                     (k = (ender_set[(2)]));
       
  4548                                                                                     while ((k>=(0))) {
       
  4549                                                                                         {
       
  4550                                                                                             if ((k>=i))
       
  4551                                                                                                 if (((BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, k, prev, i))!== false))
       
  4552                                                                                                     (BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, j, ender, k));
       
  4553                                                                                             (k = (ender_set[(k+(5))]));
       
  4554                                                                                         }
       
  4555                                                                                     }
       
  4556                                                                                     return (sc_loop1_127((l.cdr)));
       
  4557                                                                                 }
       
  4558                                                                             else
       
  4559                                                                                 (l = (l.cdr));
       
  4560                                                                         }
       
  4561                                                                     else
       
  4562                                                                         return undefined;
       
  4563                                                                 }
       
  4564                                                             };
       
  4565                                                             (sc_loop1_127((sc_enders_26[(sc_steps_25[prev])])));
       
  4566                                                         }
       
  4567                                                     (sc_i_130 = (conf_set[(sc_i_130+(5))]));
       
  4568                                                 }
       
  4569                                             }
       
  4570                                             return (loop1());
       
  4571                                         }
       
  4572                                     else
       
  4573                                         return undefined;
       
  4574                                 }
       
  4575                             };
       
  4576                             (loop1());
       
  4577                             (--i);
       
  4578                         }
       
  4579                     }
       
  4580                     (optrOpnd = BgL_sc_statesza2_30za2);
       
  4581                     return [sc_nts_42, sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_names_37, sc_toks_36, optrOpnd, is_parsed, BgL_sc_derivzd2treesza2_47z70, BgL_sc_nbzd2derivzd2treesza2_48za2];
       
  4582                 }
       
  4583             };
       
  4584         }
       
  4585     };
       
  4586     BgL_parsezd2ze3parsedzf3zc2 = function(parse, nt, i, j) {
       
  4587         var is_parsed;
       
  4588         var states;
       
  4589         var enders;
       
  4590         var nts;
       
  4591         return ((nts = (parse[(0)])), (enders = (parse[(2)])), (states = (parse[(7)])), (is_parsed = (parse[(8)])), (is_parsed(nt, i, j, nts, enders, states)));
       
  4592     };
       
  4593     BgL_parsezd2ze3treesz31 = function(parse, nt, i, j) {
       
  4594         var BgL_sc_derivzd2treesza2_132z70;
       
  4595         var states;
       
  4596         var toks;
       
  4597         var names;
       
  4598         var steps;
       
  4599         var enders;
       
  4600         var nts;
       
  4601         return ((nts = (parse[(0)])), (enders = (parse[(2)])), (steps = (parse[(4)])), (names = (parse[(5)])), (toks = (parse[(6)])), (states = (parse[(7)])), (BgL_sc_derivzd2treesza2_132z70 = (parse[(9)])), (BgL_sc_derivzd2treesza2_132z70(nt, i, j, nts, enders, steps, names, toks, states)));
       
  4602     };
       
  4603     BgL_parsezd2ze3nbzd2treesze3 = function(parse, nt, i, j) {
       
  4604         var BgL_sc_nbzd2derivzd2treesza2_133za2;
       
  4605         var states;
       
  4606         var toks;
       
  4607         var steps;
       
  4608         var enders;
       
  4609         var nts;
       
  4610         return ((nts = (parse[(0)])), (enders = (parse[(2)])), (steps = (parse[(4)])), (toks = (parse[(6)])), (states = (parse[(7)])), (BgL_sc_nbzd2derivzd2treesza2_133za2 = (parse[(10)])), (BgL_sc_nbzd2derivzd2treesza2_133za2(nt, i, j, nts, enders, steps, toks, states)));
       
  4611     };
       
  4612     test = function(k) {
       
  4613         var x;
       
  4614         var p;
       
  4615         return ((p = (BgL_makezd2parserzd2(const_earley, function(l) {
       
  4616             var sc_x_134;
       
  4617             var tail1134;
       
  4618             var L1130;
       
  4619             var falseHead1133;
       
  4620             {
       
  4621                 (falseHead1133 = (new sc_Pair(null, null)));
       
  4622                 (tail1134 = falseHead1133);
       
  4623                 (L1130 = l);
       
  4624                 while (!(L1130 === null)) {
       
  4625                     {
       
  4626                         (tail1134.cdr = (new sc_Pair(((sc_x_134 = (L1130.car)), (sc_list(sc_x_134, sc_x_134))), null)));
       
  4627                         (tail1134 = (tail1134.cdr));
       
  4628                         (L1130 = (L1130.cdr));
       
  4629                     }
       
  4630                 }
       
  4631                 return (falseHead1133.cdr);
       
  4632             }
       
  4633         }))), (x = (p((sc_vector2list((sc_makeVector(k, "\u1E9Ca"))))))), (sc_length((BgL_parsezd2ze3treesz31(x, "\u1E9Cs", (0), k)))));
       
  4634     };
       
  4635     BgL_earleyzd2benchmarkzd2 = function() {
       
  4636         var args = null;
       
  4637         for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) {
       
  4638             args = sc_cons(arguments[sc_tmp], args);
       
  4639         }
       
  4640         var k;
       
  4641         return ((k = ((args === null)?(7):(args.car))), (BgL_runzd2benchmarkzd2("earley", (1), function() {
       
  4642             return (test(k));
       
  4643         }, function(result) {
       
  4644             return ((sc_display(result)), (sc_newline()), result == 132);
       
  4645         })));
       
  4646     };
       
  4647 }
       
  4648 
       
  4649 
       
  4650 /************* END OF GENERATED CODE *************/
       
  4651 // Invoke this function to run a benchmark.
       
  4652 // The first argument is a string identifying the benchmark.
       
  4653 // The second argument is the number of times to run the benchmark.
       
  4654 // The third argument is a function that runs the benchmark.
       
  4655 // The fourth argument is a unary function that warns if the result
       
  4656 // returned by the benchmark is incorrect.
       
  4657 //
       
  4658 // Example:
       
  4659 // RunBenchmark("new Array()",
       
  4660 //              1,
       
  4661 //              function () { new Array(1000000); }
       
  4662 //              function (v) {
       
  4663 //                return (v instanceof Array) && (v.length == 1000000);
       
  4664 //              });
       
  4665 
       
  4666 SC_DEFAULT_OUT = new sc_GenericOutputPort(function(s) {});
       
  4667 SC_ERROR_OUT = SC_DEFAULT_OUT;
       
  4668 
       
  4669 function RunBenchmark(name, count, run, warn) {
       
  4670   for (var n = 0; n < count; ++n) {
       
  4671     result = run();
       
  4672     if (!warn(result)) {
       
  4673       throw new Error("Earley or Boyer did incorrect number of rewrites");
       
  4674     }
       
  4675   }
       
  4676 }
       
  4677 
       
  4678 var BgL_runzd2benchmarkzd2 = RunBenchmark;
       
  4679 
       
  4680 for (var i = 0; i < 4; ++i) {
       
  4681   BgL_earleyzd2benchmarkzd2();
       
  4682   BgL_nboyerzd2benchmarkzd2();
       
  4683 }