| // This file is automatically generated by scheme2js, except for the | 
 | // benchmark harness code at the beginning and end of the file. | 
 |  | 
 | var EarleyBoyer = new BenchmarkSuite('EarleyBoyer', 666463, [ | 
 |   new Benchmark("Earley", function () { BgL_earleyzd2benchmarkzd2(); }), | 
 |   new Benchmark("Boyer", function () { BgL_nboyerzd2benchmarkzd2(); }) | 
 | ]); | 
 |  | 
 |  | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /************* GENERATED FILE - DO NOT EDIT *************/ | 
 | /* | 
 |  * To use write/prints/... the default-output port has to be set first. | 
 |  * Simply setting SC_DEFAULT_OUT and SC_ERROR_OUT to the desired values | 
 |  * should do the trick. | 
 |  * In the following example the std-out and error-port are redirected to | 
 |  * a DIV. | 
 | function initRuntime() { | 
 |     function escapeHTML(s) { | 
 | 	var tmp = s; | 
 | 	tmp = tmp.replace(/&/g, "&"); | 
 | 	tmp = tmp.replace(/</g, "<"); | 
 | 	tmp = tmp.replace(/>/g, ">"); | 
 | 	tmp = tmp.replace(/ /g, " "); | 
 | 	tmp = tmp.replace(/\n/g, "<br />"); | 
 | 	tmp = tmp.replace(/\t/g, "    "); | 
 | 	return tmp; | 
 | 	 | 
 |     } | 
 |  | 
 |     document.write("<div id='stdout'></div>"); | 
 |     SC_DEFAULT_OUT = new sc_GenericOutputPort( | 
 | 	function(s) { | 
 | 	    var stdout = document.getElementById('stdout'); | 
 | 	    stdout.innerHTML = stdout.innerHTML + escapeHTML(s); | 
 | 	}); | 
 |     SC_ERROR_OUT = SC_DEFAULT_OUT; | 
 | } | 
 | */ | 
 |  | 
 |  | 
 | function sc_print_debug() { | 
 |     sc_print.apply(null, arguments); | 
 | } | 
 | /*** META ((export *js*)) */ | 
 | var sc_JS_GLOBALS = this; | 
 |  | 
 | var __sc_LINE=-1; | 
 | var __sc_FILE=""; | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_alert() { | 
 |    var len = arguments.length; | 
 |    var s = ""; | 
 |    var i; | 
 |  | 
 |    for( i = 0; i < len; i++ ) { | 
 |        s += sc_toDisplayString(arguments[ i ]); | 
 |    } | 
 |  | 
 |    return alert( s ); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_typeof( x ) { | 
 |    return typeof x; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_error() { | 
 |     var a = [sc_jsstring2symbol("*error*")]; | 
 |     for (var i = 0; i < arguments.length; i++) { | 
 | 	a[i+1] = arguments[i]; | 
 |     } | 
 |     throw a; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "throw "))) | 
 | */ | 
 | function sc_raise(obj) { | 
 |     throw obj; | 
 | } | 
 |  | 
 | /*** META ((export with-handler-lambda)) */ | 
 | function sc_withHandlerLambda(handler, body) { | 
 |     try { | 
 | 	return body(); | 
 |     } catch(e) { | 
 | 	if (!e._internalException) | 
 | 	    return handler(e); | 
 | 	else | 
 | 	    throw e; | 
 |     } | 
 | } | 
 |  | 
 | var sc_properties = new Object(); | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_putpropBang(sym, key, val) { | 
 |     var ht = sc_properties[sym]; | 
 |     if (!ht) { | 
 | 	ht = new Object(); | 
 | 	sc_properties[sym] = ht; | 
 |     } | 
 |     ht[key] = val; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_getprop(sym, key) { | 
 |     var ht = sc_properties[sym]; | 
 |     if (ht) { | 
 | 	if (key in ht) | 
 | 	    return ht[key]; | 
 | 	else | 
 | 	    return false; | 
 |     } else | 
 | 	return false; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_rempropBang(sym, key) { | 
 |     var ht = sc_properties[sym]; | 
 |     if (ht) | 
 | 	delete ht[key]; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_any2String(o) { | 
 |     return jsstring2string(sc_toDisplayString(o)); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "===")) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isEqv(o1, o2) { | 
 |     return (o1 === o2); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "===")) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isEq(o1, o2) { | 
 |     return (o1 === o2); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isNumber(n) { | 
 |     return (typeof n === "number"); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isComplex(n) { | 
 |     return sc_isNumber(n); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isReal(n) { | 
 |     return sc_isNumber(n); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isRational(n) { | 
 |     return sc_isReal(n); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isInteger(n) { | 
 |     return (parseInt(n) === n); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix ", false"))) | 
 | */ | 
 | // we don't have exact numbers... | 
 | function sc_isExact(n) { | 
 |     return false; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ", true")) | 
 | 	   (type bool)) | 
 | */ | 
 | function sc_isInexact(n) { | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export = =fx =fl) | 
 |            (type bool) | 
 |            (peephole (infix 2 2 "==="))) | 
 | */ | 
 | function sc_equal(x) { | 
 |     for (var i = 1; i < arguments.length; i++) | 
 | 	if (x !== arguments[i]) | 
 | 	    return false; | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export < <fx <fl) | 
 |            (type bool) | 
 |            (peephole (infix 2 2 "<"))) | 
 | */ | 
 | function sc_less(x) { | 
 |     for (var i = 1; i < arguments.length; i++) { | 
 | 	if (x >= arguments[i]) | 
 | 	    return false; | 
 | 	x = arguments[i]; | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export > >fx >fl) | 
 |            (type bool) | 
 |            (peephole (infix 2 2 ">"))) | 
 | */ | 
 | function sc_greater(x, y) { | 
 |     for (var i = 1; i < arguments.length; i++) { | 
 | 	if (x <= arguments[i]) | 
 | 	    return false; | 
 | 	x = arguments[i]; | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export <= <=fx <=fl) | 
 |            (type bool) | 
 |            (peephole (infix 2 2 "<="))) | 
 | */ | 
 | function sc_lessEqual(x, y) { | 
 |     for (var i = 1; i < arguments.length; i++) { | 
 | 	if (x > arguments[i]) | 
 | 	    return false; | 
 | 	x = arguments[i]; | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export >= >=fl >=fx) | 
 |            (type bool) | 
 |            (peephole (infix 2 2 ">="))) | 
 | */ | 
 | function sc_greaterEqual(x, y) { | 
 |     for (var i = 1; i < arguments.length; i++) { | 
 | 	if (x < arguments[i]) | 
 | 	    return false; | 
 | 	x = arguments[i]; | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "=== 0"))) | 
 | */ | 
 | function sc_isZero(x) { | 
 |     return (x === 0); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "> 0"))) | 
 | */ | 
 | function sc_isPositive(x) { | 
 |     return (x > 0); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "< 0"))) | 
 | */ | 
 | function sc_isNegative(x) { | 
 |     return (x < 0); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "%2===1"))) | 
 | */ | 
 | function sc_isOdd(x) { | 
 |     return (x % 2 === 1); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "%2===0"))) | 
 | */ | 
 | function sc_isEven(x) { | 
 |     return (x % 2 === 0); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_max = Math.max; | 
 | /*** META ((export #t)) */ | 
 | var sc_min = Math.min; | 
 |  | 
 | /*** META ((export + +fx +fl) | 
 |            (peephole (infix 0 #f "+" "0"))) | 
 | */ | 
 | function sc_plus() { | 
 |     var sum = 0; | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	sum += arguments[i]; | 
 |     return sum; | 
 | } | 
 |  | 
 | /*** META ((export * *fx *fl) | 
 |            (peephole (infix 0 #f "*" "1"))) | 
 | */ | 
 | function sc_multi() { | 
 |     var product = 1; | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	product *= arguments[i]; | 
 |     return product; | 
 | } | 
 |  | 
 | /*** META ((export - -fx -fl) | 
 |            (peephole (minus))) | 
 | */ | 
 | function sc_minus(x) { | 
 |     if (arguments.length === 1) | 
 | 	return -x; | 
 |     else { | 
 | 	var res = x; | 
 | 	for (var i = 1; i < arguments.length; i++) | 
 | 	    res -= arguments[i]; | 
 | 	return res; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export / /fl) | 
 |            (peephole (div))) | 
 | */ | 
 | function sc_div(x) { | 
 |     if (arguments.length === 1) | 
 | 	return 1/x; | 
 |     else { | 
 | 	var res = x; | 
 | 	for (var i = 1; i < arguments.length; i++) | 
 | 	    res /= arguments[i]; | 
 | 	return res; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_abs = Math.abs; | 
 |  | 
 | /*** META ((export quotient /fx) | 
 |            (peephole (hole 2 "parseInt(" x "/" y ")"))) | 
 | */ | 
 | function sc_quotient(x, y) { | 
 |     return parseInt(x / y); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "%"))) | 
 | */ | 
 | function sc_remainder(x, y) { | 
 |     return x % y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (modulo))) | 
 | */ | 
 | function sc_modulo(x, y) { | 
 |     var remainder = x % y; | 
 |     // if they don't have the same sign | 
 |     if ((remainder * y) < 0) | 
 | 	return remainder + y; | 
 |     else | 
 | 	return remainder; | 
 | } | 
 |  | 
 | function sc_euclid_gcd(a, b) { | 
 |     var temp; | 
 |     if (a === 0) return b; | 
 |     if (b === 0) return a; | 
 |     if (a < 0) {a = -a;}; | 
 |     if (b < 0) {b = -b;}; | 
 |     if (b > a) {temp = a; a = b; b = temp;}; | 
 |     while (true) { | 
 | 	a %= b; | 
 | 	if(a === 0) {return b;}; | 
 | 	b %= a; | 
 | 	if(b === 0) {return a;}; | 
 |     }; | 
 |     return b; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_gcd() { | 
 |     var gcd = 0; | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	gcd = sc_euclid_gcd(gcd, arguments[i]); | 
 |     return gcd; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_lcm() { | 
 |     var lcm = 1; | 
 |     for (var i = 0; i < arguments.length; i++) { | 
 | 	var f = Math.round(arguments[i] / sc_euclid_gcd(arguments[i], lcm)); | 
 | 	lcm *= Math.abs(f); | 
 |     } | 
 |     return lcm; | 
 | } | 
 |  | 
 | // LIMITATION: numerator and denominator don't make sense in floating point world. | 
 | //var SC_MAX_DECIMALS = 1000000 | 
 | // | 
 | // function sc_numerator(x) { | 
 | //     var rounded = Math.round(x * SC_MAX_DECIMALS); | 
 | //     return Math.round(rounded / sc_euclid_gcd(rounded, SC_MAX_DECIMALS)); | 
 | // } | 
 |  | 
 | // function sc_denominator(x) { | 
 | //     var rounded = Math.round(x * SC_MAX_DECIMALS); | 
 | //     return Math.round(SC_MAX_DECIMALS / sc_euclid_gcd(rounded, SC_MAX_DECIMALS)); | 
 | // } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_floor = Math.floor; | 
 | /*** META ((export #t)) */ | 
 | var sc_ceiling = Math.ceil; | 
 | /*** META ((export #t)) */ | 
 | var sc_truncate = parseInt; | 
 | /*** META ((export #t)) */ | 
 | var sc_round = Math.round; | 
 |  | 
 | // LIMITATION: sc_rationalize doesn't make sense in a floating point world. | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_exp = Math.exp; | 
 | /*** META ((export #t)) */ | 
 | var sc_log = Math.log; | 
 | /*** META ((export #t)) */ | 
 | var sc_sin = Math.sin; | 
 | /*** META ((export #t)) */ | 
 | var sc_cos = Math.cos; | 
 | /*** META ((export #t)) */ | 
 | var sc_tan = Math.tan; | 
 | /*** META ((export #t)) */ | 
 | var sc_asin = Math.asin; | 
 | /*** META ((export #t)) */ | 
 | var sc_acos = Math.acos; | 
 | /*** META ((export #t)) */ | 
 | var sc_atan = Math.atan; | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_sqrt = Math.sqrt; | 
 | /*** META ((export #t)) */ | 
 | var sc_expt = Math.pow; | 
 |  | 
 | // LIMITATION: we don't have complex numbers. | 
 | // LIMITATION: the following functions are hence not implemented. | 
 | // LIMITATION: make-rectangular, make-polar, real-part, imag-part, magnitude, angle | 
 | // LIMITATION: 2 argument atan | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (id))) | 
 | */ | 
 | function sc_exact2inexact(x) { | 
 |     return x; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (id))) | 
 | */ | 
 | function sc_inexact2exact(x) { | 
 |     return x; | 
 | } | 
 |  | 
 | function sc_number2jsstring(x, radix) { | 
 |     if (radix) | 
 | 	return x.toString(radix); | 
 |     else | 
 | 	return x.toString(); | 
 | } | 
 |  | 
 | function sc_jsstring2number(s, radix) { | 
 |     if (s === "") return false; | 
 |  | 
 |     if (radix) { | 
 | 	var t = parseInt(s, radix); | 
 | 	if (!t && t !== 0) return false; | 
 | 	// verify that each char is in range. (parseInt ignores leading | 
 | 	// white and trailing chars) | 
 | 	var allowedChars = "01234567890abcdefghijklmnopqrstuvwxyz".substring(0, radix+1); | 
 | 	if ((new RegExp("^["+allowedChars+"]*$", "i")).test(s)) | 
 | 	    return t; | 
 | 	else return false; | 
 |     } else { | 
 | 	var t = +s; // does not ignore trailing chars. | 
 | 	if (!t && t !== 0) return false; | 
 | 	// simply verify that first char is not whitespace. | 
 | 	var c = s.charAt(0); | 
 | 	// if +c is 0, but the char is not "0", then we have a whitespace. | 
 | 	if (+c === 0 && c !== "0") return false; | 
 | 	return t; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (not))) | 
 | */ | 
 | function sc_not(b) { | 
 |     return b === false; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isBoolean(b) { | 
 |     return (b === true) || (b === false); | 
 | } | 
 |  | 
 | function sc_Pair(car, cdr) { | 
 |     this.car = car; | 
 |     this.cdr = cdr; | 
 | } | 
 |  | 
 | sc_Pair.prototype.toString = function() { | 
 |     return sc_toDisplayString(this); | 
 | }; | 
 | sc_Pair.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) { | 
 |     var current = this; | 
 |  | 
 |     var res = "("; | 
 |  | 
 |     while(true) { | 
 | 	res += writeOrDisplay(current.car); | 
 | 	if (sc_isPair(current.cdr)) { | 
 | 	    res += " "; | 
 | 	    current = current.cdr; | 
 | 	} else if (current.cdr !== null) { | 
 | 	    res += " . " + writeOrDisplay(current.cdr); | 
 | 	    break; | 
 | 	} else // current.cdr == null | 
 | 	    break; | 
 |     } | 
 | 	 | 
 |     res += ")"; | 
 |  | 
 |     return res; | 
 | }; | 
 | sc_Pair.prototype.sc_toDisplayString = function() { | 
 |     return this.sc_toWriteOrDisplayString(sc_toDisplayString); | 
 | }; | 
 | sc_Pair.prototype.sc_toWriteString = function() { | 
 |     return this.sc_toWriteOrDisplayString(sc_toWriteString); | 
 | }; | 
 | // sc_Pair.prototype.sc_toWriteCircleString in IO.js | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix " instanceof sc_Pair"))) | 
 | */ | 
 | function sc_isPair(p) { | 
 |     return (p instanceof sc_Pair); | 
 | } | 
 |  | 
 | function sc_isPairEqual(p1, p2, comp) { | 
 |     return (comp(p1.car, p2.car) && comp(p1.cdr, p2.cdr)); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 2 "new sc_Pair(" car ", " cdr ")"))) | 
 | */ | 
 | function sc_cons(car, cdr) { | 
 |     return new sc_Pair(car, cdr); | 
 | } | 
 |  | 
 | /*** META ((export cons*)) */ | 
 | function sc_consStar() { | 
 |     var res = arguments[arguments.length - 1]; | 
 |     for (var i = arguments.length-2; i >= 0; i--) | 
 | 	res = new sc_Pair(arguments[i], res); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car"))) | 
 | */ | 
 | function sc_car(p) { | 
 |     return p.car; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr"))) | 
 | */ | 
 | function sc_cdr(p) { | 
 |     return p.cdr; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 2 p ".car = " val))) | 
 | */ | 
 | function sc_setCarBang(p, val) { | 
 |     p.car = val; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 2 p ".cdr = " val))) | 
 | */ | 
 | function sc_setCdrBang(p, val) { | 
 |     p.cdr = val; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car"))) | 
 | */ | 
 | function sc_caar(p) { return p.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car"))) | 
 | */ | 
 | function sc_cadr(p) { return p.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr"))) | 
 | */ | 
 | function sc_cdar(p) { return p.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr"))) | 
 | */ | 
 | function sc_cddr(p) { return p.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.car"))) | 
 | */ | 
 | function sc_caaar(p) { return p.car.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.car"))) | 
 | */ | 
 | function sc_cadar(p) { return p.car.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.car"))) | 
 | */ | 
 | function sc_caadr(p) { return p.cdr.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.car"))) | 
 | */ | 
 | function sc_caddr(p) { return p.cdr.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.cdr"))) | 
 | */ | 
 | function sc_cdaar(p) { return p.car.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.cdr"))) | 
 | */ | 
 | function sc_cdadr(p) { return p.cdr.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.cdr"))) | 
 | */ | 
 | function sc_cddar(p) { return p.car.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.cdr"))) | 
 | */ | 
 | function sc_cdddr(p) { return p.cdr.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.car.car"))) | 
 | */ | 
 | function sc_caaaar(p) { return p.car.car.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.car.car"))) | 
 | */ | 
 | function sc_caadar(p) { return p.car.cdr.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.car.car"))) | 
 | */ | 
 | function sc_caaadr(p) { return p.cdr.car.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.car.car"))) | 
 | */ | 
 | function sc_caaddr(p) { return p.cdr.cdr.car.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.car.cdr"))) | 
 | */ | 
 | function sc_cdaaar(p) { return p.car.car.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.car.cdr"))) | 
 | */ | 
 | function sc_cdadar(p) { return p.car.cdr.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.car.cdr"))) | 
 | */ | 
 | function sc_cdaadr(p) { return p.cdr.car.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.car.cdr"))) | 
 | */ | 
 | function sc_cdaddr(p) { return p.cdr.cdr.car.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.cdr.car"))) | 
 | */ | 
 | function sc_cadaar(p) { return p.car.car.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.cdr.car"))) | 
 | */ | 
 | function sc_caddar(p) { return p.car.cdr.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.cdr.car"))) | 
 | */ | 
 | function sc_cadadr(p) { return p.cdr.car.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.cdr.car"))) | 
 | */ | 
 | function sc_cadddr(p) { return p.cdr.cdr.cdr.car; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.car.cdr.cdr"))) | 
 | */ | 
 | function sc_cddaar(p) { return p.car.car.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".car.cdr.cdr.cdr"))) | 
 | */ | 
 | function sc_cdddar(p) { return p.car.cdr.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.car.cdr.cdr"))) | 
 | */ | 
 | function sc_cddadr(p) { return p.cdr.car.cdr.cdr; } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".cdr.cdr.cdr.cdr"))) | 
 | */ | 
 | function sc_cddddr(p) { return p.cdr.cdr.cdr.cdr; } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_lastPair(l) { | 
 |     if (!sc_isPair(l)) sc_error("sc_lastPair: pair expected"); | 
 |     var res = l; | 
 |     var cdr = l.cdr; | 
 |     while (sc_isPair(cdr)) { | 
 | 	res = cdr; | 
 | 	cdr = res.cdr; | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix " === null"))) | 
 | */ | 
 | function sc_isNull(o) { | 
 |     return (o === null); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isList(o) { | 
 |     var rabbit; | 
 |     var turtle; | 
 |  | 
 |     var rabbit = o; | 
 |     var turtle = o; | 
 |     while (true) { | 
 | 	if (rabbit === null || | 
 | 	    (rabbit instanceof sc_Pair && rabbit.cdr === null)) | 
 | 	    return true;  // end of list | 
 | 	else if ((rabbit instanceof sc_Pair) && | 
 | 		 (rabbit.cdr instanceof sc_Pair)) { | 
 | 	    rabbit = rabbit.cdr.cdr; | 
 | 	    turtle = turtle.cdr; | 
 | 	    if (rabbit === turtle) return false; // cycle | 
 | 	} else | 
 | 	    return false; // not pair | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_list() { | 
 |     var res = null; | 
 |     var a = arguments; | 
 |     for (var i = a.length-1; i >= 0; i--) | 
 | 	res = new sc_Pair(a[i], res); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_iota(num, init) { | 
 |    var res = null; | 
 |    if (!init) init = 0; | 
 |    for (var i = num - 1; i >= 0; i--) | 
 |       res = new sc_Pair(i + init, res); | 
 |    return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_makeList(nbEls, fill) { | 
 |     var res = null; | 
 |     for (var i = 0; i < nbEls; i++) | 
 | 	res = new sc_Pair(fill, res); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_length(l) { | 
 |     var res = 0; | 
 |     while (l !== null) { | 
 | 	res++; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_remq(o, l) { | 
 |     var dummy = { cdr : null }; | 
 |     var tail = dummy; | 
 |     while (l !== null) { | 
 | 	if (l.car !== o) { | 
 | 	    tail.cdr = sc_cons(l.car, null); | 
 | 	    tail = tail.cdr; | 
 | 	} | 
 | 	l = l.cdr; | 
 |     } | 
 |     return dummy.cdr; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_remqBang(o, l) { | 
 |     var dummy = { cdr : null }; | 
 |     var tail = dummy; | 
 |     var needsAssig = true; | 
 |     while (l !== null) { | 
 | 	if (l.car === o) { | 
 | 	    needsAssig = true; | 
 | 	} else { | 
 | 	    if (needsAssig) { | 
 | 		tail.cdr = l; | 
 | 		needsAssig = false; | 
 | 	    } | 
 | 	    tail = l; | 
 | 	} | 
 | 	l = l.cdr; | 
 |     } | 
 |     tail.cdr = null; | 
 |     return dummy.cdr; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_delete(o, l) { | 
 |     var dummy = { cdr : null }; | 
 |     var tail = dummy; | 
 |     while (l !== null) { | 
 | 	if (!sc_isEqual(l.car, o)) { | 
 | 	    tail.cdr = sc_cons(l.car, null); | 
 | 	    tail = tail.cdr; | 
 | 	} | 
 | 	l = l.cdr; | 
 |     } | 
 |     return dummy.cdr; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_deleteBang(o, l) { | 
 |     var dummy = { cdr : null }; | 
 |     var tail = dummy; | 
 |     var needsAssig = true; | 
 |     while (l !== null) { | 
 | 	if (sc_isEqual(l.car, o)) { | 
 | 	    needsAssig = true; | 
 | 	} else { | 
 | 	    if (needsAssig) { | 
 | 		tail.cdr = l; | 
 | 		needsAssig = false; | 
 | 	    } | 
 | 	    tail = l; | 
 | 	} | 
 | 	l = l.cdr; | 
 |     } | 
 |     tail.cdr = null; | 
 |     return dummy.cdr; | 
 | } | 
 |  | 
 | function sc_reverseAppendBang(l1, l2) { | 
 |     var res = l2; | 
 |     while (l1 !== null) { | 
 | 	var tmp = res; | 
 | 	res = l1; | 
 | 	l1 = l1.cdr; | 
 | 	res.cdr = tmp; | 
 |     } | 
 |     return res; | 
 | } | 
 | 	 | 
 | function sc_dualAppend(l1, l2) { | 
 |     if (l1 === null) return l2; | 
 |     if (l2 === null) return l1; | 
 |     var rev = sc_reverse(l1); | 
 |     return sc_reverseAppendBang(rev, l2); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_append() { | 
 |     if (arguments.length === 0) | 
 | 	return null; | 
 |     var res = arguments[arguments.length - 1]; | 
 |     for (var i = arguments.length - 2; i >= 0; i--) | 
 | 	res = sc_dualAppend(arguments[i], res); | 
 |     return res; | 
 | } | 
 |  | 
 | function sc_dualAppendBang(l1, l2) { | 
 |     if (l1 === null) return l2; | 
 |     if (l2 === null) return l1; | 
 |     var tmp = l1; | 
 |     while (tmp.cdr !== null) tmp=tmp.cdr; | 
 |     tmp.cdr = l2; | 
 |     return l1; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_appendBang() { | 
 |     var res = null; | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	res = sc_dualAppendBang(res, arguments[i]); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_reverse(l1) { | 
 |     var res = null; | 
 |     while (l1 !== null) { | 
 | 	res = sc_cons(l1.car, res); | 
 | 	l1 = l1.cdr; | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_reverseBang(l) { | 
 |     return sc_reverseAppendBang(l, null); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_listTail(l, k) { | 
 |     var res = l; | 
 |     for (var i = 0; i < k; i++) { | 
 | 	res = res.cdr; | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_listRef(l, k) { | 
 |     return sc_listTail(l, k).car; | 
 | } | 
 |  | 
 | /* // unoptimized generic versions | 
 | function sc_memX(o, l, comp) { | 
 |     while (l != null) { | 
 | 	if (comp(l.car, o)) | 
 | 	    return l; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | function sc_memq(o, l) { return sc_memX(o, l, sc_isEq); } | 
 | function sc_memv(o, l) { return sc_memX(o, l, sc_isEqv); } | 
 | function sc_member(o, l) { return sc_memX(o, l, sc_isEqual); } | 
 | */ | 
 |  | 
 | /* optimized versions */ | 
 | /*** META ((export #t)) */ | 
 | function sc_memq(o, l) { | 
 |     while (l !== null) { | 
 | 	if (l.car === o) | 
 | 	    return l; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_memv(o, l) { | 
 |     while (l !== null) { | 
 | 	if (l.car === o) | 
 | 	    return l; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_member(o, l) { | 
 |     while (l !== null) { | 
 | 	if (sc_isEqual(l.car,o)) | 
 | 	    return l; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | /* // generic unoptimized versions | 
 | function sc_assX(o, al, comp) { | 
 |     while (al != null) { | 
 | 	if (comp(al.car.car, o)) | 
 | 	    return al.car; | 
 | 	al = al.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | function sc_assq(o, al) { return sc_assX(o, al, sc_isEq); } | 
 | function sc_assv(o, al) { return sc_assX(o, al, sc_isEqv); } | 
 | function sc_assoc(o, al) { return sc_assX(o, al, sc_isEqual); } | 
 | */ | 
 | // optimized versions | 
 | /*** META ((export #t)) */ | 
 | function sc_assq(o, al) { | 
 |     while (al !== null) { | 
 | 	if (al.car.car === o) | 
 | 	    return al.car; | 
 | 	al = al.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_assv(o, al) { | 
 |     while (al !== null) { | 
 | 	if (al.car.car === o) | 
 | 	    return al.car; | 
 | 	al = al.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_assoc(o, al) { | 
 |     while (al !== null) { | 
 | 	if (sc_isEqual(al.car.car, o)) | 
 | 	    return al.car; | 
 | 	al = al.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | /* can be used for mutable strings and characters */ | 
 | function sc_isCharStringEqual(cs1, cs2) { return cs1.val === cs2.val; } | 
 | function sc_isCharStringLess(cs1, cs2) { return cs1.val < cs2.val; } | 
 | function sc_isCharStringGreater(cs1, cs2) { return cs1.val > cs2.val; } | 
 | function sc_isCharStringLessEqual(cs1, cs2) { return cs1.val <= cs2.val; } | 
 | function sc_isCharStringGreaterEqual(cs1, cs2) { return cs1.val >= cs2.val; } | 
 | function sc_isCharStringCIEqual(cs1, cs2) | 
 |     { return cs1.val.toLowerCase() === cs2.val.toLowerCase(); } | 
 | function sc_isCharStringCILess(cs1, cs2) | 
 |     { return cs1.val.toLowerCase() < cs2.val.toLowerCase(); } | 
 | function sc_isCharStringCIGreater(cs1, cs2) | 
 |     { return cs1.val.toLowerCase() > cs2.val.toLowerCase(); } | 
 | function sc_isCharStringCILessEqual(cs1, cs2) | 
 |     { return cs1.val.toLowerCase() <= cs2.val.toLowerCase(); } | 
 | function sc_isCharStringCIGreaterEqual(cs1, cs2) | 
 |     { return cs1.val.toLowerCase() >= cs2.val.toLowerCase(); } | 
 |  | 
 |  | 
 |  | 
 |  | 
 | function sc_Char(c) { | 
 |     var cached = sc_Char.lazy[c]; | 
 |     if (cached) | 
 | 	return cached; | 
 |     this.val = c; | 
 |     sc_Char.lazy[c] = this; | 
 |     // add return, so FF does not complain. | 
 |     return undefined; | 
 | } | 
 | sc_Char.lazy = new Object(); | 
 | // thanks to Eric | 
 | sc_Char.char2readable = { | 
 |     "\000": "#\\null", | 
 |     "\007": "#\\bell", | 
 |     "\010": "#\\backspace", | 
 |     "\011": "#\\tab", | 
 |     "\012": "#\\newline", | 
 |     "\014": "#\\page", | 
 |     "\015": "#\\return", | 
 |     "\033": "#\\escape", | 
 |     "\040": "#\\space", | 
 |     "\177": "#\\delete", | 
 |  | 
 |   /* poeticless names */ | 
 |     "\001": "#\\soh", | 
 |     "\002": "#\\stx", | 
 |     "\003": "#\\etx", | 
 |     "\004": "#\\eot", | 
 |     "\005": "#\\enq", | 
 |     "\006": "#\\ack", | 
 |  | 
 |     "\013": "#\\vt", | 
 |     "\016": "#\\so", | 
 |     "\017": "#\\si", | 
 |  | 
 |     "\020": "#\\dle", | 
 |     "\021": "#\\dc1", | 
 |     "\022": "#\\dc2", | 
 |     "\023": "#\\dc3", | 
 |     "\024": "#\\dc4", | 
 |     "\025": "#\\nak", | 
 |     "\026": "#\\syn", | 
 |     "\027": "#\\etb", | 
 |  | 
 |     "\030": "#\\can", | 
 |     "\031": "#\\em", | 
 |     "\032": "#\\sub", | 
 |     "\033": "#\\esc", | 
 |     "\034": "#\\fs", | 
 |     "\035": "#\\gs", | 
 |     "\036": "#\\rs", | 
 |     "\037": "#\\us"}; | 
 |  | 
 | sc_Char.readable2char = { | 
 |     "null": "\000", | 
 |     "bell": "\007", | 
 |     "backspace": "\010", | 
 |     "tab": "\011", | 
 |     "newline": "\012", | 
 |     "page": "\014", | 
 |     "return": "\015", | 
 |     "escape": "\033", | 
 |     "space": "\040", | 
 |     "delete": "\000", | 
 |     "soh": "\001", | 
 |     "stx": "\002", | 
 |     "etx": "\003", | 
 |     "eot": "\004", | 
 |     "enq": "\005", | 
 |     "ack": "\006", | 
 |     "bel": "\007", | 
 |     "bs": "\010", | 
 |     "ht": "\011", | 
 |     "nl": "\012", | 
 |     "vt": "\013", | 
 |     "np": "\014", | 
 |     "cr": "\015", | 
 |     "so": "\016", | 
 |     "si": "\017", | 
 |     "dle": "\020", | 
 |     "dc1": "\021", | 
 |     "dc2": "\022", | 
 |     "dc3": "\023", | 
 |     "dc4": "\024", | 
 |     "nak": "\025", | 
 |     "syn": "\026", | 
 |     "etb": "\027", | 
 |     "can": "\030", | 
 |     "em": "\031", | 
 |     "sub": "\032", | 
 |     "esc": "\033", | 
 |     "fs": "\034", | 
 |     "gs": "\035", | 
 |     "rs": "\036", | 
 |     "us": "\037", | 
 |     "sp": "\040", | 
 |     "del": "\177"}; | 
 |  | 
 | sc_Char.prototype.toString = function() { | 
 |     return this.val; | 
 | }; | 
 | // sc_toDisplayString == toString | 
 | sc_Char.prototype.sc_toWriteString = function() { | 
 |     var entry = sc_Char.char2readable[this.val]; | 
 |     if (entry) | 
 | 	return entry; | 
 |     else | 
 | 	return "#\\" + this.val; | 
 | }; | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix "instanceof sc_Char"))) | 
 | */ | 
 | function sc_isChar(c) { | 
 |     return (c instanceof sc_Char); | 
 | } | 
 |  | 
 | /*** META ((export char=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val === " c2 ".val"))) | 
 | */ | 
 | var sc_isCharEqual = sc_isCharStringEqual; | 
 | /*** META ((export char<?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val < " c2 ".val"))) | 
 | */ | 
 | var sc_isCharLess = sc_isCharStringLess; | 
 | /*** META ((export char>?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val > " c2 ".val"))) | 
 | */ | 
 | var sc_isCharGreater = sc_isCharStringGreater; | 
 | /*** META ((export char<=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val <= " c2 ".val"))) | 
 | */ | 
 | var sc_isCharLessEqual = sc_isCharStringLessEqual; | 
 | /*** META ((export char>=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val >= " c2 ".val"))) | 
 | */ | 
 | var sc_isCharGreaterEqual = sc_isCharStringGreaterEqual; | 
 | /*** META ((export char-ci=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val.toLowerCase() === " c2 ".val.toLowerCase()"))) | 
 | */ | 
 | var sc_isCharCIEqual = sc_isCharStringCIEqual; | 
 | /*** META ((export char-ci<?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val.toLowerCase() < " c2 ".val.toLowerCase()"))) | 
 | */ | 
 | var sc_isCharCILess = sc_isCharStringCILess; | 
 | /*** META ((export char-ci>?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val.toLowerCase() > " c2 ".val.toLowerCase()"))) | 
 | */ | 
 | var sc_isCharCIGreater = sc_isCharStringCIGreater; | 
 | /*** META ((export char-ci<=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val.toLowerCase() <= " c2 ".val.toLowerCase()"))) | 
 | */ | 
 | var sc_isCharCILessEqual = sc_isCharStringCILessEqual; | 
 | /*** META ((export char-ci>=?) | 
 |            (type bool) | 
 |            (peephole (hole 2 c1 ".val.toLowerCase() >= " c2 ".val.toLowerCase()"))) | 
 | */ | 
 | var sc_isCharCIGreaterEqual = sc_isCharStringCIGreaterEqual; | 
 |  | 
 | var SC_NUMBER_CLASS = "0123456789"; | 
 | var SC_WHITESPACE_CLASS = ' \r\n\t\f'; | 
 | var SC_LOWER_CLASS = 'abcdefghijklmnopqrstuvwxyz'; | 
 | var SC_UPPER_CLASS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; | 
 |  | 
 | function sc_isCharOfClass(c, cl) { return (cl.indexOf(c) != -1); } | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isCharAlphabetic(c) | 
 |     { return sc_isCharOfClass(c.val, SC_LOWER_CLASS) || | 
 | 	  sc_isCharOfClass(c.val, SC_UPPER_CLASS); } | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (hole 1 "SC_NUMBER_CLASS.indexOf(" c ".val) != -1"))) | 
 | */ | 
 | function sc_isCharNumeric(c) | 
 |     { return sc_isCharOfClass(c.val, SC_NUMBER_CLASS); } | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isCharWhitespace(c) { | 
 |     var tmp = c.val; | 
 |     return tmp === " " || tmp === "\r" || tmp === "\n" || tmp === "\t" || tmp === "\f"; | 
 | } | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (hole 1 "SC_UPPER_CLASS.indexOf(" c ".val) != -1"))) | 
 | */ | 
 | function sc_isCharUpperCase(c) | 
 |     { return sc_isCharOfClass(c.val, SC_UPPER_CLASS); } | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (hole 1 "SC_LOWER_CLASS.indexOf(" c ".val) != -1"))) | 
 | */ | 
 | function sc_isCharLowerCase(c) | 
 |     { return sc_isCharOfClass(c.val, SC_LOWER_CLASS); } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".val.charCodeAt(0)"))) | 
 | */ | 
 | function sc_char2integer(c) | 
 |     { return c.val.charCodeAt(0); } | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "new sc_Char(String.fromCharCode(" n "))"))) | 
 | */ | 
 | function sc_integer2char(n) | 
 |     { return new sc_Char(String.fromCharCode(n)); } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "new sc_Char(" c ".val.toUpperCase())"))) | 
 | */ | 
 | function sc_charUpcase(c) | 
 |     { return new sc_Char(c.val.toUpperCase()); } | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "new sc_Char(" c ".val.toLowerCase())"))) | 
 | */ | 
 | function sc_charDowncase(c) | 
 |     { return new sc_Char(c.val.toLowerCase()); } | 
 |  | 
 | function sc_makeJSStringOfLength(k, c) { | 
 |     var fill; | 
 |     if (c === undefined) | 
 | 	fill = " "; | 
 |     else | 
 | 	fill = c; | 
 |     var res = ""; | 
 |     var len = 1; | 
 |     // every round doubles the size of fill. | 
 |     while (k >= len) { | 
 | 	if (k & len) | 
 | 	    res = res.concat(fill); | 
 | 	fill = fill.concat(fill); | 
 | 	len *= 2; | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | function sc_makejsString(k, c) { | 
 |     var fill; | 
 |     if (c) | 
 | 	fill = c.val; | 
 |     else | 
 | 	fill = " "; | 
 |     return sc_makeJSStringOfLength(k, fill); | 
 | } | 
 |  | 
 | function sc_jsstring2list(s) { | 
 |     var res = null; | 
 |     for (var i = s.length - 1; i >= 0; i--) | 
 | 	res = sc_cons(new sc_Char(s.charAt(i)), res); | 
 |     return res; | 
 | } | 
 |  | 
 | function sc_list2jsstring(l) { | 
 |     var a = new Array(); | 
 |     while(l !== null) { | 
 | 	a.push(l.car.val); | 
 | 	l = l.cdr; | 
 |     } | 
 |     return "".concat.apply("", a); | 
 | } | 
 |  | 
 | var sc_Vector = Array; | 
 |  | 
 | sc_Vector.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) { | 
 |     if (this.length === 0) return "#()"; | 
 |  | 
 |     var res = "#(" + writeOrDisplay(this[0]); | 
 |     for (var i = 1; i < this.length; i++) | 
 | 	res += " " + writeOrDisplay(this[i]); | 
 |     res += ")"; | 
 |     return res; | 
 | }; | 
 | sc_Vector.prototype.sc_toDisplayString = function() { | 
 |     return this.sc_toWriteOrDisplayString(sc_toDisplayString); | 
 | }; | 
 | sc_Vector.prototype.sc_toWriteString = function() { | 
 |     return this.sc_toWriteOrDisplayString(sc_toWriteString); | 
 | }; | 
 |  | 
 | /*** META ((export vector? array?) | 
 |            (type bool) | 
 |            (peephole (postfix " instanceof sc_Vector"))) | 
 | */ | 
 | function sc_isVector(v) { | 
 |     return (v instanceof sc_Vector); | 
 | } | 
 |  | 
 | // only applies to vectors | 
 | function sc_isVectorEqual(v1, v2, comp) { | 
 |     if (v1.length !== v2.length) return false; | 
 |     for (var i = 0; i < v1.length; i++) | 
 | 	if (!comp(v1[i], v2[i])) return false; | 
 |     return true; | 
 | } | 
 |  | 
 | /*** META ((export make-vector make-array)) */ | 
 | function sc_makeVector(size, fill) { | 
 |     var a = new sc_Vector(size); | 
 |     if (fill !== undefined) | 
 | 	sc_vectorFillBang(a, fill); | 
 |     return a; | 
 | } | 
 |  | 
 | /*** META ((export vector array) | 
 |            (peephole (vector))) | 
 | */ | 
 | function sc_vector() { | 
 |     var a = new sc_Vector(); | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	a.push(arguments[i]); | 
 |     return a; | 
 | } | 
 |  | 
 | /*** META ((export vector-length array-length) | 
 |            (peephole (postfix ".length"))) | 
 | */ | 
 | function sc_vectorLength(v) { | 
 |     return v.length; | 
 | } | 
 |  | 
 | /*** META ((export vector-ref array-ref) | 
 |            (peephole (hole 2 v "[" pos "]"))) | 
 | */ | 
 | function sc_vectorRef(v, pos) { | 
 |     return v[pos]; | 
 | } | 
 |  | 
 | /*** META ((export vector-set! array-set!) | 
 |            (peephole (hole 3 v "[" pos "] = " val))) | 
 | */ | 
 | function sc_vectorSetBang(v, pos, val) { | 
 |     v[pos] = val; | 
 | } | 
 |  | 
 | /*** META ((export vector->list array->list)) */ | 
 | function sc_vector2list(a) { | 
 |     var res = null; | 
 |     for (var i = a.length-1; i >= 0; i--) | 
 | 	res = sc_cons(a[i], res); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export list->vector list->array)) */ | 
 | function sc_list2vector(l) { | 
 |     var a = new sc_Vector(); | 
 |     while(l !== null) { | 
 | 	a.push(l.car); | 
 | 	l = l.cdr; | 
 |     } | 
 |     return a; | 
 | } | 
 |  | 
 | /*** META ((export vector-fill! array-fill!)) */ | 
 | function sc_vectorFillBang(a, fill) { | 
 |     for (var i = 0; i < a.length; i++) | 
 | 	a[i] = fill; | 
 | } | 
 |  | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_copyVector(a, len) { | 
 |     if (len <= a.length) | 
 | 	return a.slice(0, len); | 
 |     else { | 
 | 	var tmp = a.concat(); | 
 | 	tmp.length = len; | 
 | 	return tmp; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 3 a ".slice(" start "," end ")"))) | 
 | */ | 
 | function sc_vectorCopy(a, start, end) { | 
 |     return a.slice(start, end); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_vectorCopyBang(target, tstart, source, sstart, send) { | 
 |     if (!sstart) sstart = 0; | 
 |     if (!send) send = source.length; | 
 |  | 
 |     // if target == source we don't want to overwrite not yet copied elements. | 
 |     if (tstart <= sstart) { | 
 | 	for (var i = tstart, j = sstart; j < send; i++, j++) { | 
 | 	    target[i] = source[j]; | 
 | 	} | 
 |     } else { | 
 | 	var diff = send - sstart; | 
 | 	for (var i = tstart + diff - 1, j = send - 1; | 
 | 	     j >= sstart; | 
 | 	     i--, j--) { | 
 | 	    target[i] = source[j]; | 
 | 	} | 
 |     } | 
 |     return target; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (hole 1 "typeof " o " === 'function'"))) | 
 | */ | 
 | function sc_isProcedure(o) { | 
 |     return (typeof o === "function"); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_apply(proc) { | 
 |     var args = new Array(); | 
 |     // first part of arguments are not in list-form. | 
 |     for (var i = 1; i < arguments.length - 1; i++) | 
 | 	args.push(arguments[i]); | 
 |     var l = arguments[arguments.length - 1]; | 
 |     while (l !== null) { | 
 | 	args.push(l.car); | 
 | 	l = l.cdr; | 
 |     } | 
 |     return proc.apply(null, args); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_map(proc, l1) { | 
 |     if (l1 === undefined) | 
 | 	return null; | 
 |     // else | 
 |     var nbApplyArgs = arguments.length - 1; | 
 |     var applyArgs = new Array(nbApplyArgs); | 
 |     var revres = null; | 
 |     while (l1 !== null) { | 
 | 	for (var i = 0; i < nbApplyArgs; i++) { | 
 | 	    applyArgs[i] = arguments[i + 1].car; | 
 | 	    arguments[i + 1] = arguments[i + 1].cdr; | 
 | 	} | 
 | 	revres = sc_cons(proc.apply(null, applyArgs), revres); | 
 |     } | 
 |     return sc_reverseAppendBang(revres, null); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_mapBang(proc, l1) { | 
 |     if (l1 === undefined) | 
 | 	return null; | 
 |     // else | 
 |     var l1_orig = l1; | 
 |     var nbApplyArgs = arguments.length - 1; | 
 |     var applyArgs = new Array(nbApplyArgs); | 
 |     while (l1 !== null) { | 
 | 	var tmp = l1; | 
 | 	for (var i = 0; i < nbApplyArgs; i++) { | 
 | 	    applyArgs[i] = arguments[i + 1].car; | 
 | 	    arguments[i + 1] = arguments[i + 1].cdr; | 
 | 	} | 
 | 	tmp.car = proc.apply(null, applyArgs); | 
 |     } | 
 |     return l1_orig; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_forEach(proc, l1) { | 
 |     if (l1 === undefined) | 
 | 	return undefined; | 
 |     // else | 
 |     var nbApplyArgs = arguments.length - 1; | 
 |     var applyArgs = new Array(nbApplyArgs); | 
 |     while (l1 !== null) { | 
 | 	for (var i = 0; i < nbApplyArgs; i++) { | 
 | 	    applyArgs[i] = arguments[i + 1].car; | 
 | 	    arguments[i + 1] = arguments[i + 1].cdr; | 
 | 	} | 
 | 	proc.apply(null, applyArgs); | 
 |     } | 
 |     // add return so FF does not complain. | 
 |     return undefined; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_filter(proc, l1) { | 
 |     var dummy = { cdr : null }; | 
 |     var tail = dummy; | 
 |     while (l1 !== null) { | 
 | 	if (proc(l1.car) !== false) { | 
 | 	    tail.cdr = sc_cons(l1.car, null); | 
 | 	    tail = tail.cdr; | 
 | 	} | 
 | 	l1 = l1.cdr; | 
 |     } | 
 |     return dummy.cdr; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_filterBang(proc, l1) { | 
 |     var head = sc_cons("dummy", l1); | 
 |     var it = head; | 
 |     var next = l1; | 
 |     while (next !== null) { | 
 |         if (proc(next.car) !== false) { | 
 | 	    it.cdr = next | 
 | 	    it = next; | 
 | 	} | 
 | 	next = next.cdr; | 
 |     } | 
 |     it.cdr = null; | 
 |     return head.cdr; | 
 | } | 
 |  | 
 | function sc_filterMap1(proc, l1) { | 
 |     var revres = null; | 
 |     while (l1 !== null) { | 
 |         var tmp = proc(l1.car) | 
 |         if (tmp !== false) revres = sc_cons(tmp, revres); | 
 |         l1 = l1.cdr; | 
 |     } | 
 |     return sc_reverseAppendBang(revres, null); | 
 | } | 
 | function sc_filterMap2(proc, l1, l2) { | 
 |     var revres = null; | 
 |     while (l1 !== null) { | 
 |         var tmp = proc(l1.car, l2.car); | 
 |         if(tmp !== false) revres = sc_cons(tmp, revres); | 
 | 	l1 = l1.cdr; | 
 | 	l2 = l2.cdr | 
 |     } | 
 |     return sc_reverseAppendBang(revres, null); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_filterMap(proc, l1, l2, l3) { | 
 |     if (l2 === undefined) | 
 | 	return sc_filterMap1(proc, l1); | 
 |     else if (l3 === undefined) | 
 | 	return sc_filterMap2(proc, l1, l2); | 
 |     // else | 
 |     var nbApplyArgs = arguments.length - 1; | 
 |     var applyArgs = new Array(nbApplyArgs); | 
 |     var revres = null; | 
 |     while (l1 !== null) { | 
 | 	for (var i = 0; i < nbApplyArgs; i++) { | 
 | 	    applyArgs[i] = arguments[i + 1].car; | 
 | 	    arguments[i + 1] = arguments[i + 1].cdr; | 
 | 	} | 
 | 	var tmp = proc.apply(null, applyArgs); | 
 | 	if(tmp !== false) revres = sc_cons(tmp, revres); | 
 |     } | 
 |     return sc_reverseAppendBang(revres, null); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_any(proc, l) { | 
 |     var revres = null; | 
 |     while (l !== null) { | 
 |         var tmp = proc(l.car); | 
 |         if(tmp !== false) return tmp; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return false; | 
 | } | 
 |  | 
 | /*** META ((export any?) | 
 |            (peephole (hole 2 "sc_any(" proc "," l ") !== false"))) | 
 | */ | 
 | function sc_anyPred(proc, l) { | 
 |     return sc_any(proc, l)!== false; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_every(proc, l) { | 
 |     var revres = null; | 
 |     var tmp = true; | 
 |     while (l !== null) { | 
 |         tmp = proc(l.car); | 
 |         if (tmp === false) return false; | 
 | 	l = l.cdr; | 
 |     } | 
 |     return tmp; | 
 | } | 
 |  | 
 | /*** META ((export every?) | 
 |            (peephole (hole 2 "sc_every(" proc "," l ") !== false"))) | 
 | */ | 
 | function sc_everyPred(proc, l) { | 
 |     var tmp = sc_every(proc, l); | 
 |     if (tmp !== false) return true; | 
 |     return false; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix "()"))) | 
 | */ | 
 | function sc_force(o) { | 
 |     return o(); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_makePromise(proc) { | 
 |     var isResultReady = false; | 
 |     var result = undefined; | 
 |     return function() { | 
 | 	if (!isResultReady) { | 
 | 	    var tmp = proc(); | 
 | 	    if (!isResultReady) { | 
 | 		isResultReady = true; | 
 | 		result = tmp; | 
 | 	    } | 
 | 	} | 
 | 	return result; | 
 |     }; | 
 | } | 
 |  | 
 | function sc_Values(values) { | 
 |     this.values = values; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (values))) | 
 | */ | 
 | function sc_values() { | 
 |     if (arguments.length === 1) | 
 | 	return arguments[0]; | 
 |     else | 
 | 	return new sc_Values(arguments); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_callWithValues(producer, consumer) { | 
 |     var produced = producer(); | 
 |     if (produced instanceof sc_Values) | 
 | 	return consumer.apply(null, produced.values); | 
 |     else | 
 | 	return consumer(produced); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_dynamicWind(before, thunk, after) { | 
 |     before(); | 
 |     try { | 
 | 	var res = thunk(); | 
 | 	return res; | 
 |     } finally { | 
 | 	after(); | 
 |     } | 
 | } | 
 |  | 
 |  | 
 | // TODO: eval/scheme-report-environment/null-environment/interaction-environment | 
 |  | 
 | // LIMITATION: 'load' doesn't exist without files. | 
 | // LIMITATION: transcript-on/transcript-off doesn't exist without files. | 
 |  | 
 |  | 
 | function sc_Struct(name) { | 
 |     this.name = name; | 
 | } | 
 | sc_Struct.prototype.sc_toDisplayString = function() { | 
 |     return "#<struct" + sc_hash(this) + ">"; | 
 | }; | 
 | sc_Struct.prototype.sc_toWriteString = sc_Struct.prototype.sc_toDisplayString; | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "new sc_Struct(" name ")"))) | 
 | */ | 
 | function sc_makeStruct(name) { | 
 |     return new sc_Struct(name); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix " instanceof sc_Struct"))) | 
 | */ | 
 | function sc_isStruct(o) { | 
 |     return (o instanceof sc_Struct); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (hole 2 "(" 1 " instanceof sc_Struct) && ( " 1 ".name === " 0 ")"))) | 
 | */ | 
 | function sc_isStructNamed(name, s) { | 
 |     return ((s instanceof sc_Struct) && (s.name === name)); | 
 | } | 
 |  | 
 | /*** META ((export struct-field) | 
 |            (peephole (hole 3 0 "[" 2 "]"))) | 
 | */ | 
 | function sc_getStructField(s, name, field) { | 
 |     return s[field]; | 
 | } | 
 |  | 
 | /*** META ((export struct-field-set!) | 
 |            (peephole (hole 4 0 "[" 2 "] = " 3))) | 
 | */ | 
 | function sc_setStructFieldBang(s, name, field, val) { | 
 |     s[field] = val; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "~"))) | 
 | */ | 
 | function sc_bitNot(x) { | 
 |     return ~x; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "&"))) | 
 | */ | 
 | function sc_bitAnd(x, y) { | 
 |     return x & y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "|"))) | 
 | */ | 
 | function sc_bitOr(x, y) { | 
 |     return x | y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "^"))) | 
 | */ | 
 | function sc_bitXor(x, y) { | 
 |     return x ^ y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 "<<"))) | 
 | */ | 
 | function sc_bitLsh(x, y) { | 
 |     return x << y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 ">>"))) | 
 | */ | 
 | function sc_bitRsh(x, y) { | 
 |     return x >> y; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 2 2 ">>>"))) | 
 | */ | 
 | function sc_bitUrsh(x, y) { | 
 |     return x >>> y; | 
 | } | 
 |  | 
 | /*** META ((export js-field js-property) | 
 |            (peephole (hole 2 o "[" field "]"))) | 
 | */ | 
 | function sc_jsField(o, field) { | 
 |     return o[field]; | 
 | } | 
 |  | 
 | /*** META ((export js-field-set! js-property-set!) | 
 |            (peephole (hole 3 o "[" field "] = " val))) | 
 | */ | 
 | function sc_setJsFieldBang(o, field, val) { | 
 |     return o[field] = val; | 
 | } | 
 |  | 
 | /*** META ((export js-field-delete! js-property-delete!) | 
 |            (peephole (hole 2 "delete" o "[" field "]"))) | 
 | */ | 
 | function sc_deleteJsFieldBang(o, field) { | 
 |     delete o[field]; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (jsCall))) | 
 | */ | 
 | function sc_jsCall(o, fun) { | 
 |     var args = new Array(); | 
 |     for (var i = 2; i < arguments.length; i++) | 
 | 	args[i-2] = arguments[i]; | 
 |     return fun.apply(o, args); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (jsMethodCall))) | 
 | */ | 
 | function sc_jsMethodCall(o, field) { | 
 |     var args = new Array(); | 
 |     for (var i = 2; i < arguments.length; i++) | 
 | 	args[i-2] = arguments[i]; | 
 |     return o[field].apply(o, args); | 
 | } | 
 |  | 
 | /*** META ((export new js-new) | 
 |            (peephole (jsNew))) | 
 | */ | 
 | function sc_jsNew(c) { | 
 |     var evalStr = "new c("; | 
 |     evalStr +=arguments.length > 1? "arguments[1]": ""; | 
 |     for (var i = 2; i < arguments.length; i++) | 
 | 	evalStr += ", arguments[" + i + "]"; | 
 |     evalStr +=")"; | 
 |     return eval(evalStr); | 
 | } | 
 |  | 
 | // ======================== RegExp ==================== | 
 | /*** META ((export #t)) */ | 
 | function sc_pregexp(re) { | 
 |     return new RegExp(sc_string2jsstring(re)); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_pregexpMatch(re, s) { | 
 |     var reg = (re instanceof RegExp) ? re : sc_pregexp(re); | 
 |     var tmp = reg.exec(sc_string2jsstring(s)); | 
 |  | 
 |     if (tmp == null) return false; | 
 |  | 
 |     var res = null; | 
 |     for (var i = tmp.length-1; i >= 0; i--) { | 
 | 	if (tmp[i] !== null) { | 
 | 	    res = sc_cons(sc_jsstring2string(tmp[i]), res); | 
 | 	} else { | 
 | 	    res = sc_cons(false, res); | 
 | 	} | 
 |     } | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_pregexpReplace(re, s1, s2) { | 
 |    var reg; | 
 |    var jss1 = sc_string2jsstring(s1); | 
 |    var jss2 = sc_string2jsstring(s2); | 
 |  | 
 |    if (re instanceof RegExp) { | 
 |        if (re.global) | 
 | 	   reg = re; | 
 |        else | 
 | 	   reg = new RegExp(re.source); | 
 |    } else { | 
 |        reg = new RegExp(sc_string2jsstring(re)); | 
 |    } | 
 |  | 
 |    return jss1.replace(reg, jss2); | 
 | } | 
 |  | 
 | /*** META ((export pregexp-replace*)) */ | 
 | function sc_pregexpReplaceAll(re, s1, s2) { | 
 |    var reg; | 
 |    var jss1 = sc_string2jsstring(s1); | 
 |    var jss2 = sc_string2jsstring(s2); | 
 |  | 
 |    if (re instanceof RegExp) { | 
 |       if (re.global) | 
 | 	  reg = re; | 
 |       else | 
 | 	  reg = new RegExp(re.source, "g"); | 
 |    } else { | 
 |        reg = new RegExp(sc_string2jsstring(re), "g"); | 
 |    } | 
 |  | 
 |    return jss1.replace(reg, jss2); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_pregexpSplit(re, s) { | 
 |    var reg = ((re instanceof RegExp) ? | 
 | 	      re : | 
 | 	      new RegExp(sc_string2jsstring(re))); | 
 |    var jss = sc_string2jsstring(s); | 
 |    var tmp = jss.split(reg); | 
 |  | 
 |    if (tmp == null) return false; | 
 |  | 
 |    return sc_vector2list(tmp); | 
 | } | 
 |  | 
 |  | 
 | /* =========================================================================== */ | 
 | /* Other library stuff */ | 
 | /* =========================================================================== */ | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "Math.floor(Math.random()*" 'n ")"))) | 
 | */ | 
 | function sc_random(n) { | 
 |     return Math.floor(Math.random()*n); | 
 | } | 
 |  | 
 | /*** META ((export current-date) | 
 |            (peephole (hole 0 "new Date()"))) | 
 | */ | 
 | function sc_currentDate() { | 
 |    return new Date(); | 
 | } | 
 |  | 
 | function sc_Hashtable() { | 
 | } | 
 | sc_Hashtable.prototype.toString = function() { | 
 |     return "#{%hashtable}"; | 
 | }; | 
 | // sc_toWriteString == sc_toDisplayString == toString | 
 |  | 
 | function sc_HashtableElement(key, val) { | 
 |     this.key = key; | 
 |     this.val = val; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 0 "new sc_Hashtable()"))) | 
 | */ | 
 | function sc_makeHashtable() { | 
 |     return new sc_Hashtable(); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_hashtablePutBang(ht, key, val) { | 
 |     var hash = sc_hash(key); | 
 |     ht[hash] = new sc_HashtableElement(key, val); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_hashtableGet(ht, key) { | 
 |     var hash = sc_hash(key); | 
 |     if (hash in ht) | 
 | 	return ht[hash].val; | 
 |     else | 
 | 	return false; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_hashtableForEach(ht, f) { | 
 |     for (var v in ht) { | 
 | 	if (ht[v] instanceof sc_HashtableElement) | 
 | 	    f(ht[v].key, ht[v].val); | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export hashtable-contains?) | 
 |            (peephole (hole 2 "sc_hash(" 1 ") in " 0))) | 
 | */ | 
 | function sc_hashtableContains(ht, key) { | 
 |     var hash = sc_hash(key); | 
 |     if (hash in ht) | 
 | 	return true; | 
 |     else | 
 | 	return false; | 
 | } | 
 |  | 
 | var SC_HASH_COUNTER = 0; | 
 |  | 
 | function sc_hash(o) { | 
 |     if (o === null) | 
 | 	return "null"; | 
 |     else if (o === undefined) | 
 | 	return "undefined"; | 
 |     else if (o === true) | 
 | 	return "true"; | 
 |     else if (o === false) | 
 | 	return "false"; | 
 |     else if (typeof o === "number") | 
 | 	return "num-" + o; | 
 |     else if (typeof o === "string") | 
 | 	return "jsstr-" + o; | 
 |     else if (o.sc_getHash) | 
 | 	return o.sc_getHash(); | 
 |     else | 
 | 	return sc_counterHash.call(o); | 
 | } | 
 | function sc_counterHash() { | 
 |     if (!this.sc_hash) { | 
 | 	this.sc_hash = "hash-" + SC_HASH_COUNTER; | 
 | 	SC_HASH_COUNTER++; | 
 |     } | 
 |     return this.sc_hash; | 
 | } | 
 |  | 
 | function sc_Trampoline(args, maxTailCalls) { | 
 |     this['__trampoline return__'] = true; | 
 |     this.args = args; | 
 |     this.MAX_TAIL_CALLs = maxTailCalls; | 
 | } | 
 | // TODO: call/cc stuff | 
 | sc_Trampoline.prototype.restart = function() { | 
 |     var o = this; | 
 |     while (true) { | 
 | 	// set both globals. | 
 | 	SC_TAIL_OBJECT.calls = o.MAX_TAIL_CALLs-1; | 
 | 	var fun = o.args.callee; | 
 | 	var res = fun.apply(SC_TAIL_OBJECT, o.args); | 
 | 	if (res instanceof sc_Trampoline) | 
 | 	    o = res; | 
 | 	else | 
 | 	    return res; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export bind-exit-lambda)) */ | 
 | function sc_bindExitLambda(proc) { | 
 |     var escape_obj = new sc_BindExitException(); | 
 |     var escape = function(res) { | 
 | 	escape_obj.res = res; | 
 | 	throw escape_obj; | 
 |     }; | 
 |     try { | 
 | 	return proc(escape); | 
 |     } catch(e) { | 
 | 	if (e === escape_obj) { | 
 | 	    return e.res; | 
 | 	} | 
 | 	throw e; | 
 |     } | 
 | } | 
 | function sc_BindExitException() { | 
 |     this._internalException = true; | 
 | } | 
 |  | 
 | var SC_SCM2JS_GLOBALS = new Object(); | 
 |  | 
 | // default tail-call depth. | 
 | // normally the program should set it again. but just in case... | 
 | var SC_TAIL_OBJECT = new Object(); | 
 | SC_SCM2JS_GLOBALS.TAIL_OBJECT = SC_TAIL_OBJECT; | 
 | // ======================== I/O ======================= | 
 |  | 
 | /*------------------------------------------------------------------*/ | 
 |  | 
 | function sc_EOF() { | 
 | } | 
 | var SC_EOF_OBJECT = new sc_EOF(); | 
 |  | 
 | function sc_Port() { | 
 | } | 
 |  | 
 | /* --------------- Input ports -------------------------------------*/ | 
 |  | 
 | function sc_InputPort() { | 
 | } | 
 | sc_InputPort.prototype = new sc_Port(); | 
 |  | 
 | sc_InputPort.prototype.peekChar = function() { | 
 |     if (!("peeked" in this)) | 
 | 	this.peeked = this.getNextChar(); | 
 |     return this.peeked; | 
 | } | 
 | sc_InputPort.prototype.readChar = function() { | 
 |     var tmp = this.peekChar(); | 
 |     delete this.peeked; | 
 |     return tmp; | 
 | } | 
 | sc_InputPort.prototype.isCharReady = function() { | 
 |     return true; | 
 | } | 
 | sc_InputPort.prototype.close = function() { | 
 |     // do nothing | 
 | } | 
 |  | 
 | /* .............. String port ..........................*/ | 
 | function sc_ErrorInputPort() { | 
 | }; | 
 | sc_ErrorInputPort.prototype = new sc_InputPort(); | 
 | sc_ErrorInputPort.prototype.getNextChar = function() { | 
 |     throw "can't read from error-port."; | 
 | }; | 
 | sc_ErrorInputPort.prototype.isCharReady = function() { | 
 |     return false; | 
 | }; | 
 |  | 
 |  | 
 | /* .............. String port ..........................*/ | 
 |  | 
 | function sc_StringInputPort(jsStr) { | 
 |     // we are going to do some charAts on the str. | 
 |     // instead of recreating all the time a String-object, we | 
 |     // create one in the beginning. (not sure, if this is really an optim) | 
 |     this.str = new String(jsStr); | 
 |     this.pos = 0; | 
 | } | 
 | sc_StringInputPort.prototype = new sc_InputPort(); | 
 | sc_StringInputPort.prototype.getNextChar = function() { | 
 |     if (this.pos >= this.str.length) | 
 | 	return SC_EOF_OBJECT; | 
 |     return this.str.charAt(this.pos++); | 
 | }; | 
 |  | 
 | /* ------------- Read and other lib-funs  -------------------------------*/ | 
 | function sc_Token(type, val, pos) { | 
 |     this.type = type; | 
 |     this.val = val; | 
 |     this.pos = pos; | 
 | } | 
 | sc_Token.EOF = 0/*EOF*/; | 
 | sc_Token.OPEN_PAR = 1/*OPEN_PAR*/; | 
 | sc_Token.CLOSE_PAR = 2/*CLOSE_PAR*/; | 
 | sc_Token.OPEN_BRACE = 3/*OPEN_BRACE*/; | 
 | sc_Token.CLOSE_BRACE = 4/*CLOSE_BRACE*/; | 
 | sc_Token.OPEN_BRACKET = 5/*OPEN_BRACKET*/; | 
 | sc_Token.CLOSE_BRACKET = 6/*CLOSE_BRACKET*/; | 
 | sc_Token.WHITESPACE = 7/*WHITESPACE*/; | 
 | sc_Token.QUOTE = 8/*QUOTE*/; | 
 | sc_Token.ID = 9/*ID*/; | 
 | sc_Token.DOT = 10/*DOT*/; | 
 | sc_Token.STRING = 11/*STRING*/; | 
 | sc_Token.NUMBER = 12/*NUMBER*/; | 
 | sc_Token.ERROR = 13/*ERROR*/; | 
 | sc_Token.VECTOR_BEGIN = 14/*VECTOR_BEGIN*/; | 
 | sc_Token.TRUE = 15/*TRUE*/; | 
 | sc_Token.FALSE = 16/*FALSE*/; | 
 | sc_Token.UNSPECIFIED = 17/*UNSPECIFIED*/; | 
 | sc_Token.REFERENCE = 18/*REFERENCE*/; | 
 | sc_Token.STORE = 19/*STORE*/; | 
 | sc_Token.CHAR = 20/*CHAR*/; | 
 |  | 
 | var SC_ID_CLASS = SC_LOWER_CLASS + SC_UPPER_CLASS + "!$%*+-./:<=>?@^_~"; | 
 | function sc_Tokenizer(port) { | 
 |     this.port = port; | 
 | } | 
 | sc_Tokenizer.prototype.peekToken = function() { | 
 |     if (this.peeked) | 
 | 	return this.peeked; | 
 |     var newToken = this.nextToken(); | 
 |     this.peeked = newToken; | 
 |     return newToken; | 
 | }; | 
 | sc_Tokenizer.prototype.readToken = function() { | 
 |     var tmp = this.peekToken(); | 
 |     delete this.peeked; | 
 |     return tmp; | 
 | }; | 
 | sc_Tokenizer.prototype.nextToken = function() { | 
 |     var port = this.port; | 
 |  | 
 |     function isNumberChar(c) { | 
 | 	return (c >= "0" && c <= "9"); | 
 |     }; | 
 |     function isIdOrNumberChar(c) { | 
 | 	return SC_ID_CLASS.indexOf(c) != -1 || // ID-char | 
 | 	    (c >= "0" && c <= "9"); | 
 |     } | 
 |     function isWhitespace(c) { | 
 | 	return c === " " || c === "\r" || c === "\n" || c === "\t" || c === "\f"; | 
 |     }; | 
 |     function isWhitespaceOrEOF(c) { | 
 | 	return isWhitespace(c) || c === SC_EOF_OBJECT; | 
 |     }; | 
 |  | 
 |     function readString() { | 
 | 	res = ""; | 
 | 	while (true) { | 
 | 	    var c = port.readChar(); | 
 | 	    switch (c) { | 
 | 	    case '"': | 
 | 		return new sc_Token(11/*STRING*/, res); | 
 | 	    case "\\": | 
 | 		var tmp = port.readChar(); | 
 | 		switch (tmp) { | 
 | 		case '0': res += "\0"; break; | 
 | 		case 'a': res += "\a"; break; | 
 | 		case 'b': res += "\b"; break; | 
 | 		case 'f': res += "\f"; break; | 
 | 		case 'n': res += "\n"; break; | 
 | 		case 'r': res += "\r"; break; | 
 | 		case 't': res += "\t"; break; | 
 | 		case 'v': res += "\v"; break; | 
 | 		case '"': res += '"'; break; | 
 | 		case '\\': res += '\\'; break; | 
 | 		case 'x': | 
 | 		    /* hexa-number */ | 
 | 		    var nb = 0; | 
 | 		    while (true) { | 
 | 			var hexC = port.peekChar(); | 
 | 			if (hexC >= '0' && hexC <= '9') { | 
 | 			    port.readChar(); | 
 | 			    nb = nb * 16 + hexC.charCodeAt(0) - '0'.charCodeAt(0); | 
 | 			} else if (hexC >= 'a' && hexC <= 'f') { | 
 | 			    port.readChar(); | 
 | 			    nb = nb * 16 + hexC.charCodeAt(0) - 'a'.charCodeAt(0); | 
 | 			} else if (hexC >= 'A' && hexC <= 'F') { | 
 | 			    port.readChar(); | 
 | 			    nb = nb * 16 + hexC.charCodeAt(0) - 'A'.charCodeAt(0); | 
 | 			} else { | 
 | 			    // next char isn't part of hex. | 
 | 			    res += String.fromCharCode(nb); | 
 | 			    break; | 
 | 			} | 
 | 		    } | 
 | 		    break; | 
 | 		default: | 
 | 		    if (tmp === SC_EOF_OBJECT) { | 
 | 			return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res); | 
 | 		    } | 
 | 		    res += tmp; | 
 | 		} | 
 | 		break; | 
 | 	    default: | 
 | 		if (c === SC_EOF_OBJECT) { | 
 | 		    return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res); | 
 | 		} | 
 | 		res += c; | 
 | 	    } | 
 | 	} | 
 |     }; | 
 |     function readIdOrNumber(firstChar) { | 
 | 	var res = firstChar; | 
 | 	while (isIdOrNumberChar(port.peekChar())) | 
 | 	    res += port.readChar(); | 
 | 	if (isNaN(res)) | 
 | 	    return new sc_Token(9/*ID*/, res); | 
 | 	else | 
 | 	    return new sc_Token(12/*NUMBER*/, res - 0); | 
 |     }; | 
 |  | 
 |     function skipWhitespaceAndComments() { | 
 | 	var done = false; | 
 | 	while (!done) { | 
 | 	    done = true; | 
 | 	    while (isWhitespace(port.peekChar())) | 
 | 		port.readChar(); | 
 | 	    if (port.peekChar() === ';') { | 
 | 		port.readChar(); | 
 | 		done = false; | 
 | 		while (true) { | 
 | 		    curChar = port.readChar(); | 
 | 		    if (curChar === SC_EOF_OBJECT || | 
 | 			curChar === '\n') | 
 | 			break; | 
 | 		} | 
 | 	    } | 
 | 	} | 
 |     }; | 
 |  | 
 |     function readDot() { | 
 | 	if (isWhitespace(port.peekChar())) | 
 | 	    return new sc_Token(10/*DOT*/); | 
 | 	else | 
 | 	    return readIdOrNumber("."); | 
 |     }; | 
 |  | 
 |     function readSharp() { | 
 | 	var c = port.readChar(); | 
 | 	if (isWhitespace(c)) | 
 | 	    return new sc_Token(13/*ERROR*/, "bad #-pattern0."); | 
 |  | 
 | 	// reference | 
 | 	if (isNumberChar(c)) { | 
 | 	    var nb = c - 0; | 
 | 	    while (isNumberChar(port.peekChar())) | 
 | 		nb = nb*10 + (port.readChar() - 0); | 
 | 	    switch (port.readChar()) { | 
 | 	    case '#': | 
 | 		return new sc_Token(18/*REFERENCE*/, nb); | 
 | 	    case '=': | 
 | 		return new sc_Token(19/*STORE*/, nb); | 
 | 	    default: | 
 | 		return new sc_Token(13/*ERROR*/, "bad #-pattern1." + nb); | 
 | 	    } | 
 | 	} | 
 |  | 
 | 	if (c === "(") | 
 | 	    return new sc_Token(14/*VECTOR_BEGIN*/); | 
 | 	 | 
 | 	if (c === "\\") { // character | 
 | 	    var tmp = "" | 
 | 	    while (!isWhitespaceOrEOF(port.peekChar())) | 
 | 		tmp += port.readChar(); | 
 | 	    switch (tmp.length) { | 
 | 	    case 0: // it's escaping a whitespace char: | 
 | 		if (sc_isEOFObject(port.peekChar)) | 
 | 		    return new sc_Token(13/*ERROR*/, "bad #-pattern2."); | 
 | 		else | 
 | 		    return new sc_Token(20/*CHAR*/, port.readChar()); | 
 | 	    case 1: | 
 | 		return new sc_Token(20/*CHAR*/, tmp); | 
 | 	    default: | 
 | 		var entry = sc_Char.readable2char[tmp.toLowerCase()]; | 
 | 		if (entry) | 
 | 		    return new sc_Token(20/*CHAR*/, entry); | 
 | 		else | 
 | 		    return new sc_Token(13/*ERROR*/, "unknown character description: #\\" + tmp); | 
 | 	    } | 
 | 	} | 
 |  | 
 | 	// some constants (#t, #f, #unspecified) | 
 | 	var res; | 
 | 	var needing; | 
 | 	switch (c) { | 
 | 	case 't': res = new sc_Token(15/*TRUE*/, true); needing = ""; break; | 
 | 	case 'f': res = new sc_Token(16/*FALSE*/, false); needing = ""; break; | 
 | 	case 'u': res = new sc_Token(17/*UNSPECIFIED*/, undefined); needing = "nspecified"; break; | 
 | 	default: | 
 | 	    return new sc_Token(13/*ERROR*/, "bad #-pattern3: " + c); | 
 | 	} | 
 | 	while(true) { | 
 | 	    c = port.peekChar(); | 
 | 	    if ((isWhitespaceOrEOF(c) || c === ')') && | 
 | 		needing == "") | 
 | 		return res; | 
 | 	    else if (isWhitespace(c) || needing == "") | 
 | 		return new sc_Token(13/*ERROR*/, "bad #-pattern4 " + c + " " + needing); | 
 | 	    else if (needing.charAt(0) == c) { | 
 | 		port.readChar(); // consume | 
 | 		needing = needing.slice(1); | 
 | 	    } else | 
 | 		return new sc_Token(13/*ERROR*/, "bad #-pattern5"); | 
 | 	} | 
 | 	 | 
 |     }; | 
 |  | 
 |     skipWhitespaceAndComments(); | 
 |     var curChar = port.readChar(); | 
 |     if (curChar === SC_EOF_OBJECT) | 
 | 	return new sc_Token(0/*EOF*/, curChar); | 
 |     switch (curChar) | 
 |     { | 
 |     case " ": | 
 |     case "\n": | 
 |     case "\t": | 
 | 	return readWhitespace(); | 
 |     case "(": | 
 | 	return new sc_Token(1/*OPEN_PAR*/); | 
 |     case ")": | 
 | 	return new sc_Token(2/*CLOSE_PAR*/); | 
 |     case "{": | 
 | 	return new sc_Token(3/*OPEN_BRACE*/); | 
 |     case "}": | 
 | 	return new sc_Token(4/*CLOSE_BRACE*/); | 
 |     case "[": | 
 | 	return new sc_Token(5/*OPEN_BRACKET*/); | 
 |     case "]": | 
 | 	return new sc_Token(6/*CLOSE_BRACKET*/); | 
 |     case "'": | 
 | 	return new sc_Token(8/*QUOTE*/); | 
 |     case "#": | 
 | 	return readSharp(); | 
 |     case ".": | 
 | 	return readDot(); | 
 |     case '"': | 
 | 	return readString(); | 
 |     default: | 
 | 	if (isIdOrNumberChar(curChar)) | 
 | 	    return readIdOrNumber(curChar); | 
 | 	throw "unexpected character: " + curChar; | 
 |     } | 
 | }; | 
 |  | 
 | function sc_Reader(tokenizer) { | 
 |     this.tokenizer = tokenizer; | 
 |     this.backref = new Array(); | 
 | } | 
 | sc_Reader.prototype.read = function() { | 
 |     function readList(listBeginType) { | 
 | 	function matchesPeer(open, close) { | 
 | 	    return open === 1/*OPEN_PAR*/ && close === 2/*CLOSE_PAR*/ | 
 | 	    	|| open === 3/*OPEN_BRACE*/ && close === 4/*CLOSE_BRACE*/ | 
 | 		|| open === 5/*OPEN_BRACKET*/ && close === 6/*CLOSE_BRACKET*/; | 
 | 	}; | 
 | 	var res = null; | 
 |  | 
 | 	while (true) { | 
 | 	    var token = tokenizer.peekToken(); | 
 |  | 
 | 	    switch (token.type) { | 
 | 	    case 2/*CLOSE_PAR*/: | 
 | 	    case 4/*CLOSE_BRACE*/: | 
 | 	    case 6/*CLOSE_BRACKET*/: | 
 | 		if (matchesPeer(listBeginType, token.type)) { | 
 | 		    tokenizer.readToken(); // consume token | 
 | 		    return sc_reverseBang(res); | 
 | 		} else | 
 | 		    throw "closing par doesn't match: " + listBeginType | 
 | 			+ " " + listEndType; | 
 |  | 
 | 	    case 0/*EOF*/: | 
 | 		throw "unexpected end of file"; | 
 |  | 
 | 	    case 10/*DOT*/: | 
 | 		tokenizer.readToken(); // consume token | 
 | 		var cdr = this.read(); | 
 | 		var par = tokenizer.readToken(); | 
 | 		if (!matchesPeer(listBeginType, par.type)) | 
 | 		    throw "closing par doesn't match: " + listBeginType | 
 | 			+ " " + par.type; | 
 | 		else | 
 | 		    return sc_reverseAppendBang(res, cdr); | 
 | 		 | 
 |  | 
 | 	    default: | 
 | 		res = sc_cons(this.read(), res); | 
 | 	    } | 
 | 	} | 
 |     }; | 
 |     function readQuote() { | 
 | 	return sc_cons("quote", sc_cons(this.read(), null)); | 
 |     }; | 
 |     function readVector() { | 
 | 	// opening-parenthesis is already consumed | 
 | 	var a = new Array(); | 
 | 	while (true) { | 
 | 	    var token = tokenizer.peekToken(); | 
 | 	    switch (token.type) { | 
 | 	    case 2/*CLOSE_PAR*/: | 
 | 		tokenizer.readToken(); | 
 | 		return a; | 
 | 		 | 
 | 	    default: | 
 | 		a.push(this.read()); | 
 | 	    } | 
 | 	} | 
 |     }; | 
 |  | 
 |     function storeRefence(nb) { | 
 | 	var tmp = this.read(); | 
 | 	this.backref[nb] = tmp; | 
 | 	return tmp; | 
 |     }; | 
 | 	 | 
 |     function readReference(nb) { | 
 | 	if (nb in this.backref) | 
 | 	    return this.backref[nb]; | 
 | 	else | 
 | 	    throw "bad reference: " + nb; | 
 |     }; | 
 |  | 
 |     var tokenizer = this.tokenizer; | 
 |  | 
 |     var token = tokenizer.readToken(); | 
 |  | 
 |     // handle error | 
 |     if (token.type === 13/*ERROR*/) | 
 | 	throw token.val; | 
 |  | 
 |     switch (token.type) { | 
 |     case 1/*OPEN_PAR*/: | 
 |     case 3/*OPEN_BRACE*/: | 
 |     case 5/*OPEN_BRACKET*/: | 
 | 	return readList.call(this, token.type); | 
 |     case 8/*QUOTE*/: | 
 | 	return readQuote.call(this); | 
 |     case 11/*STRING*/: | 
 | 	return sc_jsstring2string(token.val); | 
 |     case 20/*CHAR*/: | 
 | 	return new sc_Char(token.val); | 
 |     case 14/*VECTOR_BEGIN*/: | 
 | 	return readVector.call(this); | 
 |     case 18/*REFERENCE*/: | 
 | 	return readReference.call(this, token.val); | 
 |     case 19/*STORE*/: | 
 | 	return storeRefence.call(this, token.val); | 
 |     case 9/*ID*/: | 
 | 	return sc_jsstring2symbol(token.val); | 
 |     case 0/*EOF*/: | 
 |     case 12/*NUMBER*/: | 
 |     case 15/*TRUE*/: | 
 |     case 16/*FALSE*/: | 
 |     case 17/*UNSPECIFIED*/: | 
 | 	return token.val; | 
 |     default: | 
 | 	throw "unexpected token " + token.type + " " + token.val; | 
 |     } | 
 | }; | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_read(port) { | 
 |     if (port === undefined) // we assume the port hasn't been given. | 
 | 	port = SC_DEFAULT_IN; // THREAD: shared var... | 
 |     var reader = new sc_Reader(new sc_Tokenizer(port)); | 
 |     return reader.read(); | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_readChar(port) { | 
 |     if (port === undefined) // we assume the port hasn't been given. | 
 | 	port = SC_DEFAULT_IN; // THREAD: shared var... | 
 |     var t = port.readChar(); | 
 |     return t === SC_EOF_OBJECT? t: new sc_Char(t); | 
 | } | 
 | /*** META ((export #t)) */ | 
 | function sc_peekChar(port) { | 
 |     if (port === undefined) // we assume the port hasn't been given. | 
 | 	port = SC_DEFAULT_IN; // THREAD: shared var... | 
 |     var t = port.peekChar(); | 
 |     return t === SC_EOF_OBJECT? t: new sc_Char(t); | 
 | } | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isCharReady(port) { | 
 |     if (port === undefined) // we assume the port hasn't been given. | 
 | 	port = SC_DEFAULT_IN; // THREAD: shared var... | 
 |     return port.isCharReady(); | 
 | } | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".close()"))) | 
 | */ | 
 | function sc_closeInputPort(p) { | 
 |     return p.close(); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix " instanceof sc_InputPort"))) | 
 | */ | 
 | function sc_isInputPort(o) { | 
 |     return (o instanceof sc_InputPort); | 
 | } | 
 |  | 
 | /*** META ((export eof-object?) | 
 |            (type bool) | 
 |            (peephole (postfix " === SC_EOF_OBJECT"))) | 
 | */ | 
 | function sc_isEOFObject(o) { | 
 |     return o === SC_EOF_OBJECT; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 0 "SC_DEFAULT_IN"))) | 
 | */ | 
 | function sc_currentInputPort() { | 
 |     return SC_DEFAULT_IN; | 
 | } | 
 |  | 
 | /* ------------ file operations are not supported -----------*/ | 
 | /*** META ((export #t)) */ | 
 | function sc_callWithInputFile(s, proc) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_callWithOutputFile(s, proc) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withInputFromFile(s, thunk) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withOutputToFile(s, thunk) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_openInputFile(s) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_openOutputFile(s) { | 
 |     throw "can't open " + s; | 
 | } | 
 |  | 
 | /* ----------------------------------------------------------------------------*/ | 
 | /*** META ((export #t)) */ | 
 | function sc_basename(p) { | 
 |    var i = p.lastIndexOf('/'); | 
 |  | 
 |    if(i >= 0) | 
 |       return p.substring(i + 1, p.length); | 
 |    else | 
 |       return ''; | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_dirname(p) { | 
 |    var i = p.lastIndexOf('/'); | 
 |  | 
 |    if(i >= 0) | 
 |       return p.substring(0, i); | 
 |    else | 
 |       return ''; | 
 | } | 
 |  | 
 | /* ----------------------------------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withInputFromPort(p, thunk) { | 
 |     try { | 
 | 	var tmp = SC_DEFAULT_IN; // THREAD: shared var. | 
 | 	SC_DEFAULT_IN = p; | 
 | 	return thunk(); | 
 |     } finally { | 
 | 	SC_DEFAULT_IN = tmp; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withInputFromString(s, thunk) { | 
 |     return sc_withInputFromPort(new sc_StringInputPort(sc_string2jsstring(s)), thunk); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withOutputToPort(p, thunk) { | 
 |     try { | 
 | 	var tmp = SC_DEFAULT_OUT; // THREAD: shared var. | 
 | 	SC_DEFAULT_OUT = p; | 
 | 	return thunk(); | 
 |     } finally { | 
 | 	SC_DEFAULT_OUT = tmp; | 
 |     } | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withOutputToString(thunk) { | 
 |     var p = new sc_StringOutputPort(); | 
 |     sc_withOutputToPort(p, thunk); | 
 |     return p.close(); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_withOutputToProcedure(proc, thunk) { | 
 |     var t = function(s) { proc(sc_jsstring2string(s)); }; | 
 |     return sc_withOutputToPort(new sc_GenericOutputPort(t), thunk); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 0 "new sc_StringOutputPort()"))) | 
 | */ | 
 | function sc_openOutputString() { | 
 |     return new sc_StringOutputPort(); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_openInputString(str) { | 
 |     return new sc_StringInputPort(sc_string2jsstring(str)); | 
 | } | 
 |  | 
 | /* ----------------------------------------------------------------------------*/ | 
 |  | 
 | function sc_OutputPort() { | 
 | } | 
 | sc_OutputPort.prototype = new sc_Port(); | 
 | sc_OutputPort.prototype.appendJSString = function(obj) { | 
 |     /* do nothing */ | 
 | } | 
 | sc_OutputPort.prototype.close = function() { | 
 |     /* do nothing */ | 
 | } | 
 |  | 
 | function sc_StringOutputPort() { | 
 |     this.res = ""; | 
 | } | 
 | sc_StringOutputPort.prototype = new sc_OutputPort(); | 
 | sc_StringOutputPort.prototype.appendJSString = function(s) { | 
 |     this.res += s; | 
 | } | 
 | sc_StringOutputPort.prototype.close = function() { | 
 |     return sc_jsstring2string(this.res); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_getOutputString(sp) { | 
 |     return sc_jsstring2string(sp.res); | 
 | } | 
 |  | 
 |  | 
 | function sc_ErrorOutputPort() { | 
 | } | 
 | sc_ErrorOutputPort.prototype = new sc_OutputPort(); | 
 | sc_ErrorOutputPort.prototype.appendJSString = function(s) { | 
 |     throw "don't write on ErrorPort!"; | 
 | } | 
 | sc_ErrorOutputPort.prototype.close = function() { | 
 |     /* do nothing */ | 
 | } | 
 |  | 
 | function sc_GenericOutputPort(appendJSString, close) { | 
 |     this.appendJSString = appendJSString; | 
 |     if (close) | 
 | 	this.close = close; | 
 | } | 
 | sc_GenericOutputPort.prototype = new sc_OutputPort(); | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool) | 
 |            (peephole (postfix " instanceof sc_OutputPort"))) | 
 | */ | 
 | function sc_isOutputPort(o) { | 
 |     return (o instanceof sc_OutputPort); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".close()"))) | 
 | */ | 
 | function sc_closeOutputPort(p) { | 
 |     return p.close(); | 
 | } | 
 |  | 
 | /* ------------------ write ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_write(o, p) { | 
 |     if (p === undefined) // we assume not given | 
 | 	p = SC_DEFAULT_OUT; | 
 |     p.appendJSString(sc_toWriteString(o)); | 
 | } | 
 |  | 
 | function sc_toWriteString(o) { | 
 |     if (o === null) | 
 | 	return "()"; | 
 |     else if (o === true) | 
 | 	return "#t"; | 
 |     else if (o === false) | 
 | 	return "#f"; | 
 |     else if (o === undefined) | 
 | 	return "#unspecified"; | 
 |     else if (typeof o === 'function') | 
 | 	return "#<procedure " + sc_hash(o) + ">"; | 
 |     else if (o.sc_toWriteString) | 
 | 	return o.sc_toWriteString(); | 
 |     else | 
 | 	return o.toString(); | 
 | } | 
 |  | 
 | function sc_escapeWriteString(s) { | 
 |     var res = ""; | 
 |     var j = 0; | 
 |     for (i = 0; i < s.length; i++) { | 
 | 	switch (s.charAt(i)) { | 
 | 	case "\0": res += s.substring(j, i) + "\\0"; j = i + 1; break; | 
 | 	case "\b": res += s.substring(j, i) + "\\b"; j = i + 1; break; | 
 | 	case "\f": res += s.substring(j, i) + "\\f"; j = i + 1; break; | 
 | 	case "\n": res += s.substring(j, i) + "\\n"; j = i + 1; break; | 
 | 	case "\r": res += s.substring(j, i) + "\\r"; j = i + 1; break; | 
 | 	case "\t": res += s.substring(j, i) + "\\t"; j = i + 1; break; | 
 | 	case "\v": res += s.substring(j, i) + "\\v"; j = i + 1; break; | 
 | 	case '"': res += s.substring(j, i) + '\\"'; j = i + 1; break; | 
 | 	case "\\": res += s.substring(j, i) + "\\\\"; j = i + 1; break; | 
 | 	default: | 
 | 	    var c = s.charAt(i); | 
 | 	    if ("\a" !== "a" && c == "\a") { | 
 | 		res += s.substring(j, i) + "\\a"; j = i + 1; continue; | 
 | 	    } | 
 | 	    if ("\v" !== "v" && c == "\v") { | 
 | 		res += s.substring(j, i) + "\\v"; j = i + 1; continue; | 
 | 	    } | 
 | 	    //if (s.charAt(i) < ' ' || s.charCodeAt(i) > 127) { | 
 | 	    // CARE: Manuel is this OK with HOP? | 
 | 	    if (s.charAt(i) < ' ') { | 
 | 		/* non printable character and special chars */ | 
 | 		res += s.substring(j, i) + "\\x" + s.charCodeAt(i).toString(16); | 
 | 		j = i + 1; | 
 | 	    } | 
 | 	    // else just let i increase... | 
 | 	} | 
 |     } | 
 |     res += s.substring(j, i); | 
 |     return res; | 
 | } | 
 |  | 
 | /* ------------------ display ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_display(o, p) { | 
 |     if (p === undefined) // we assume not given | 
 | 	p = SC_DEFAULT_OUT; | 
 |     p.appendJSString(sc_toDisplayString(o)); | 
 | } | 
 |  | 
 | function sc_toDisplayString(o) { | 
 |     if (o === null) | 
 | 	return "()"; | 
 |     else if (o === true) | 
 | 	return "#t"; | 
 |     else if (o === false) | 
 | 	return "#f"; | 
 |     else if (o === undefined) | 
 | 	return "#unspecified"; | 
 |     else if (typeof o === 'function') | 
 | 	return "#<procedure " + sc_hash(o) + ">"; | 
 |     else if (o.sc_toDisplayString) | 
 | 	return o.sc_toDisplayString(); | 
 |     else | 
 | 	return o.toString(); | 
 | } | 
 |  | 
 | /* ------------------ newline ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_newline(p) { | 
 |     if (p === undefined) // we assume not given | 
 | 	p = SC_DEFAULT_OUT; | 
 |     p.appendJSString("\n"); | 
 | } | 
 |  | 
 | /* ------------------ write-char ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_writeChar(c, p) { | 
 |     if (p === undefined) // we assume not given | 
 | 	p = SC_DEFAULT_OUT; | 
 |     p.appendJSString(c.val); | 
 | } | 
 |  | 
 | /* ------------------ write-circle ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_writeCircle(o, p) { | 
 |     if (p === undefined) // we assume not given | 
 | 	p = SC_DEFAULT_OUT; | 
 |     p.appendJSString(sc_toWriteCircleString(o)); | 
 | } | 
 |  | 
 | function sc_toWriteCircleString(o) { | 
 |     var symb = sc_gensym("writeCircle"); | 
 |     var nbPointer = new Object(); | 
 |     nbPointer.nb = 0; | 
 |     sc_prepWriteCircle(o, symb, nbPointer); | 
 |     return sc_genToWriteCircleString(o, symb); | 
 | } | 
 |  | 
 | function sc_prepWriteCircle(o, symb, nbPointer) { | 
 |     // TODO sc_Struct | 
 |     if (o instanceof sc_Pair || | 
 | 	o instanceof sc_Vector) { | 
 | 	if (o[symb] !== undefined) { | 
 | 	    // not the first visit. | 
 | 	    o[symb]++; | 
 | 	    // unless there is already a number, assign one. | 
 | 	    if (!o[symb + "nb"]) o[symb + "nb"] = nbPointer.nb++; | 
 | 	    return; | 
 | 	} | 
 | 	o[symb] = 0; | 
 | 	if (o instanceof sc_Pair) { | 
 | 	    sc_prepWriteCircle(o.car, symb, nbPointer); | 
 | 	    sc_prepWriteCircle(o.cdr, symb, nbPointer); | 
 | 	} else { | 
 | 	    for (var i = 0; i < o.length; i++) | 
 | 		sc_prepWriteCircle(o[i], symb, nbPointer); | 
 | 	} | 
 |     } | 
 | } | 
 |  | 
 | function sc_genToWriteCircleString(o, symb) { | 
 |     if (!(o instanceof sc_Pair || | 
 | 	  o instanceof sc_Vector)) | 
 | 	return sc_toWriteString(o); | 
 |     return o.sc_toWriteCircleString(symb); | 
 | } | 
 | sc_Pair.prototype.sc_toWriteCircleString = function(symb, inList) { | 
 |     if (this[symb + "use"]) { // use-flag is set. Just use it. | 
 | 	var nb = this[symb + "nb"]; | 
 | 	if (this[symb]-- === 0) { // if we are the last use. remove all fields. | 
 | 	    delete this[symb]; | 
 | 	    delete this[symb + "nb"]; | 
 | 	    delete this[symb + "use"]; | 
 | 	} | 
 | 	if (inList) | 
 | 	    return '. #' + nb + '#'; | 
 | 	else | 
 | 	    return '#' + nb + '#'; | 
 |     } | 
 |     if (this[symb]-- === 0) { // if we are the last use. remove all fields. | 
 | 	delete this[symb]; | 
 | 	delete this[symb + "nb"]; | 
 | 	delete this[symb + "use"]; | 
 |     } | 
 |  | 
 |     var res = ""; | 
 |  | 
 |     if (this[symb] !== undefined) { // implies > 0 | 
 | 	this[symb + "use"] = true; | 
 | 	if (inList) | 
 | 	    res += '. #' + this[symb + "nb"] + '='; | 
 | 	else | 
 | 	    res += '#' + this[symb + "nb"] + '='; | 
 | 	inList = false; | 
 |     } | 
 |  | 
 |     if (!inList) | 
 | 	res += "("; | 
 |  | 
 |     // print car | 
 |     res += sc_genToWriteCircleString(this.car, symb); | 
 |  | 
 |     if (sc_isPair(this.cdr)) { | 
 | 	res += " " + this.cdr.sc_toWriteCircleString(symb, true); | 
 |     } else if (this.cdr !== null) { | 
 | 	res += " . " + sc_genToWriteCircleString(this.cdr, symb); | 
 |     } | 
 |     if (!inList) | 
 | 	res += ")"; | 
 |     return res; | 
 | }; | 
 | sc_Vector.prototype.sc_toWriteCircleString = function(symb) { | 
 |     if (this[symb + "use"]) { // use-flag is set. Just use it. | 
 | 	var nb = this[symb + "nb"]; | 
 | 	if (this[symb]-- === 0) { // if we are the last use. remove all fields. | 
 | 	    delete this[symb]; | 
 | 	    delete this[symb + "nb"]; | 
 | 	    delete this[symb + "use"]; | 
 | 	} | 
 | 	return '#' + nb + '#'; | 
 |     } | 
 |     if (this[symb]-- === 0) { // if we are the last use. remove all fields. | 
 | 	delete this[symb]; | 
 | 	delete this[symb + "nb"]; | 
 | 	delete this[symb + "use"]; | 
 |     } | 
 |  | 
 |     var res = ""; | 
 |     if (this[symb] !== undefined) { // implies > 0 | 
 | 	this[symb + "use"] = true; | 
 | 	res += '#' + this[symb + "nb"] + '='; | 
 |     } | 
 |     res += "#("; | 
 |     for (var i = 0; i < this.length; i++) { | 
 | 	res += sc_genToWriteCircleString(this[i], symb); | 
 | 	if (i < this.length - 1) res += " "; | 
 |     } | 
 |     res += ")"; | 
 |     return res; | 
 | }; | 
 |  | 
 |  | 
 | /* ------------------ print ---------------------------------------------------*/ | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_print(s) { | 
 |     if (arguments.length === 1) { | 
 | 	sc_display(s); | 
 | 	sc_newline(); | 
 |     } | 
 |     else { | 
 | 	for (var i = 0; i < arguments.length; i++) | 
 | 	    sc_display(arguments[i]); | 
 | 	sc_newline(); | 
 |     } | 
 | } | 
 |  | 
 | /* ------------------ format ---------------------------------------------------*/ | 
 | /*** META ((export #t)) */ | 
 | function sc_format(s, args) { | 
 |    var len = s.length; | 
 |    var p = new sc_StringOutputPort(); | 
 |    var i = 0, j = 1; | 
 |  | 
 |    while( i < len ) { | 
 |       var i2 = s.indexOf("~", i); | 
 |  | 
 |       if (i2 == -1) { | 
 | 	  p.appendJSString( s.substring( i, len ) ); | 
 | 	  return p.close(); | 
 |       } else { | 
 | 	 if (i2 > i) { | 
 | 	    if (i2 == (len - 1)) { | 
 | 		p.appendJSString(s.substring(i, len)); | 
 | 		return p.close(); | 
 | 	    } else { | 
 | 	       p.appendJSString(s.substring(i, i2)); | 
 | 	       i = i2; | 
 | 	    } | 
 | 	 } | 
 |  | 
 | 	 switch(s.charCodeAt(i2 + 1)) { | 
 | 	    case 65: | 
 | 	    case 97: | 
 | 	       // a | 
 | 	       sc_display(arguments[j], p); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 83: | 
 | 	    case 115: | 
 | 	       // s | 
 | 	       sc_write(arguments[j], p); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 86: | 
 | 	    case 118: | 
 | 	       // v | 
 | 	       sc_display(arguments[j], p); | 
 | 	       p.appendJSString("\n"); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 67: | 
 | 	    case 99: | 
 | 	       // c | 
 | 	       p.appendJSString(String.fromCharCode(arguments[j])); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 88: | 
 | 	    case 120: | 
 | 	       // x | 
 | 	       p.appendJSString(arguments[j].toString(6)); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 79: | 
 | 	    case 111: | 
 | 	       // o | 
 | 	       p.appendJSString(arguments[j].toString(8)); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 66: | 
 | 	    case 98: | 
 | 	       // b | 
 | 	       p.appendJSString(arguments[j].toString(2)); | 
 | 	       i += 2; j++; | 
 | 	       break; | 
 |  | 
 | 	    case 37: | 
 | 	    case 110: | 
 | 	       // %, n | 
 | 	       p.appendJSString("\n"); | 
 | 	       i += 2; break; | 
 |  | 
 | 	    case 114: | 
 | 	       // r | 
 | 	       p.appendJSString("\r"); | 
 | 	       i += 2; break; | 
 |  | 
 | 	    case 126: | 
 | 	       // ~ | 
 | 	       p.appendJSString("~"); | 
 | 	       i += 2; break; | 
 |  | 
 | 	    default: | 
 | 	       sc_error( "format: illegal ~" | 
 | 			 + String.fromCharCode(s.charCodeAt(i2 + 1)) | 
 | 			 + " sequence" ); | 
 | 	       return ""; | 
 | 	 } | 
 |       } | 
 |    } | 
 |  | 
 |    return p.close(); | 
 | } | 
 |  | 
 | /* ------------------ global ports ---------------------------------------------------*/ | 
 |  | 
 | var SC_DEFAULT_IN = new sc_ErrorInputPort(); | 
 | var SC_DEFAULT_OUT = new sc_ErrorOutputPort(); | 
 | var SC_ERROR_OUT = new sc_ErrorOutputPort(); | 
 |  | 
 | var sc_SYMBOL_PREFIX = "\u1E9C"; | 
 | var sc_KEYWORD_PREFIX = "\u1E9D"; | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (id))) */ | 
 | function sc_jsstring2string(s) { | 
 |     return s; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "'\\u1E9C' +"))) | 
 | */ | 
 | function sc_jsstring2symbol(s) { | 
 |     return sc_SYMBOL_PREFIX + s; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (id))) | 
 | */ | 
 | function sc_string2jsstring(s) { | 
 |     return s; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (symbol2jsstring_immutable))) | 
 | */ | 
 | function sc_symbol2jsstring(s) { | 
 |     return s.slice(1); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".slice(1)"))) | 
 | */ | 
 | function sc_keyword2jsstring(k) { | 
 |     return k.slice(1); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "'\\u1E9D' +"))) | 
 | */ | 
 | function sc_jsstring2keyword(s) { | 
 |     return sc_KEYWORD_PREFIX + s; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isKeyword(s) { | 
 |     return (typeof s === "string") && | 
 | 	(s.charAt(0) === sc_KEYWORD_PREFIX); | 
 | } | 
 |  | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_gensym = function() { | 
 |     var counter = 1000; | 
 |     return function(sym) { | 
 | 	counter++; | 
 | 	if (!sym) sym = sc_SYMBOL_PREFIX; | 
 | 	return sym + "s" + counter + "~" + "^sC-GeNsYm "; | 
 |     }; | 
 | }(); | 
 |  | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isEqual(o1, o2) { | 
 |     return ((o1 === o2) || | 
 | 	    (sc_isPair(o1) && sc_isPair(o2) | 
 | 	     && sc_isPairEqual(o1, o2, sc_isEqual)) || | 
 | 	    (sc_isVector(o1) && sc_isVector(o2) | 
 | 	     && sc_isVectorEqual(o1, o2, sc_isEqual))); | 
 | } | 
 |  | 
 | /*** META ((export number->symbol integer->symbol)) */ | 
 | function sc_number2symbol(x, radix) { | 
 |     return sc_SYMBOL_PREFIX + sc_number2jsstring(x, radix); | 
 | } | 
 |  | 
 | /*** META ((export number->string integer->string)) */ | 
 | var sc_number2string = sc_number2jsstring; | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_symbol2number(s, radix) { | 
 |     return sc_jsstring2number(s.slice(1), radix); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_string2number = sc_jsstring2number; | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "+" s))) | 
 |            ;; peephole will only apply if no radix is given. | 
 | */ | 
 | function sc_string2integer(s, radix) { | 
 |     if (!radix) return +s; | 
 |     return parseInt(s, radix); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "+"))) | 
 | */ | 
 | function sc_string2real(s) { | 
 |     return +s; | 
 | } | 
 |  | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isSymbol(s) { | 
 |     return (typeof s === "string") && | 
 | 	(s.charAt(0) === sc_SYMBOL_PREFIX); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (symbol2string_immutable))) | 
 | */ | 
 | function sc_symbol2string(s) { | 
 |     return s.slice(1); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "'\\u1E9C' +"))) | 
 | */ | 
 | function sc_string2symbol(s) { | 
 |     return sc_SYMBOL_PREFIX + s; | 
 | } | 
 |  | 
 | /*** META ((export symbol-append) | 
 |            (peephole (symbolAppend_immutable))) | 
 | */ | 
 | function sc_symbolAppend() { | 
 |     var res = sc_SYMBOL_PREFIX; | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	res += arguments[i].slice(1); | 
 |     return res; | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".val"))) | 
 | */ | 
 | function sc_char2string(c) { return c.val; } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 1 "'\\u1E9C' + " c ".val"))) | 
 | */ | 
 | function sc_char2symbol(c) { return sc_SYMBOL_PREFIX + c.val; } | 
 |  | 
 | /*** META ((export #t) | 
 |            (type bool)) | 
 | */ | 
 | function sc_isString(s) { | 
 |     return (typeof s === "string") && | 
 | 	(s.charAt(0) !== sc_SYMBOL_PREFIX); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_makeString = sc_makejsString; | 
 |  | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_string() { | 
 |     for (var i = 0; i < arguments.length; i++) | 
 | 	arguments[i] = arguments[i].val; | 
 |     return "".concat.apply("", arguments); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".length"))) | 
 | */ | 
 | function sc_stringLength(s) { return s.length; } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | function sc_stringRef(s, k) { | 
 |     return new sc_Char(s.charAt(k)); | 
 | } | 
 |  | 
 | /* there's no stringSet in the immutable version | 
 | function sc_stringSet(s, k, c) | 
 | */ | 
 |  | 
 |  | 
 | /*** META ((export string=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 " === " str2))) | 
 | */ | 
 | function sc_isStringEqual(s1, s2) { | 
 |     return s1 === s2; | 
 | } | 
 | /*** META ((export string<?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 " < " str2))) | 
 | */ | 
 | function sc_isStringLess(s1, s2) { | 
 |     return s1 < s2; | 
 | } | 
 | /*** META ((export string>?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 " > " str2))) | 
 | */ | 
 | function sc_isStringGreater(s1, s2) { | 
 |     return s1 > s2; | 
 | } | 
 | /*** META ((export string<=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 " <= " str2))) | 
 | */ | 
 | function sc_isStringLessEqual(s1, s2) { | 
 |     return s1 <= s2; | 
 | } | 
 | /*** META ((export string>=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 " >= " str2))) | 
 | */ | 
 | function sc_isStringGreaterEqual(s1, s2) { | 
 |     return s1 >= s2; | 
 | } | 
 | /*** META ((export string-ci=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 ".toLowerCase() === " str2 ".toLowerCase()"))) | 
 | */ | 
 | function sc_isStringCIEqual(s1, s2) { | 
 |     return s1.toLowerCase() === s2.toLowerCase(); | 
 | } | 
 | /*** META ((export string-ci<?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 ".toLowerCase() < " str2 ".toLowerCase()"))) | 
 | */ | 
 | function sc_isStringCILess(s1, s2) { | 
 |     return s1.toLowerCase() < s2.toLowerCase(); | 
 | } | 
 | /*** META ((export string-ci>?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 ".toLowerCase() > " str2 ".toLowerCase()"))) | 
 | */ | 
 | function sc_isStringCIGreater(s1, s2) { | 
 |     return s1.toLowerCase() > s2.toLowerCase(); | 
 | } | 
 | /*** META ((export string-ci<=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 ".toLowerCase() <= " str2 ".toLowerCase()"))) | 
 | */ | 
 | function sc_isStringCILessEqual(s1, s2) { | 
 |     return s1.toLowerCase() <= s2.toLowerCase(); | 
 | } | 
 | /*** META ((export string-ci>=?) | 
 | 	   (type bool) | 
 |            (peephole (hole 2 str1 ".toLowerCase() >= " str2 ".toLowerCase()"))) | 
 | */ | 
 | function sc_isStringCIGreaterEqual(s1, s2) { | 
 |     return s1.toLowerCase() >= s2.toLowerCase(); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (hole 3 s ".substring(" start ", " end ")"))) | 
 | */ | 
 | function sc_substring(s, start, end) { | 
 |     return s.substring(start, end); | 
 | } | 
 |  | 
 | /*** META ((export #t)) | 
 | */ | 
 | function sc_isSubstring_at(s1, s2, i) { | 
 |     return s2 == s1.substring(i, i+ s2.length); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (infix 0 #f "+" "''"))) | 
 | */ | 
 | function sc_stringAppend() { | 
 |     return "".concat.apply("", arguments); | 
 | } | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_string2list = sc_jsstring2list; | 
 |  | 
 | /*** META ((export #t)) */ | 
 | var sc_list2string = sc_list2jsstring; | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (id))) | 
 | */ | 
 | function sc_stringCopy(s) { | 
 |     return s; | 
 | } | 
 |  | 
 | /* there's no string-fill in the immutable version | 
 | function sc_stringFill(s, c) | 
 | */ | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (postfix ".slice(1)"))) | 
 | */ | 
 | function sc_keyword2string(o) { | 
 |     return o.slice(1); | 
 | } | 
 |  | 
 | /*** META ((export #t) | 
 |            (peephole (prefix "'\\u1E9D' +"))) | 
 | */ | 
 | function sc_string2keyword(o) { | 
 |     return sc_KEYWORD_PREFIX + o; | 
 | } | 
 |  | 
 | String.prototype.sc_toDisplayString = function() { | 
 |     if (this.charAt(0) === sc_SYMBOL_PREFIX) | 
 | 	// TODO: care for symbols with spaces (escape-chars symbols). | 
 | 	return this.slice(1); | 
 |     else if (this.charAt(0) === sc_KEYWORD_PREFIX) | 
 | 	return ":" + this.slice(1); | 
 |     else | 
 | 	return this.toString(); | 
 | }; | 
 |  | 
 | String.prototype.sc_toWriteString = function() { | 
 |     if (this.charAt(0) === sc_SYMBOL_PREFIX) | 
 | 	// TODO: care for symbols with spaces (escape-chars symbols). | 
 | 	return this.slice(1); | 
 |     else if (this.charAt(0) === sc_KEYWORD_PREFIX) | 
 | 	return ":" + this.slice(1); | 
 |     else | 
 | 	return '"' + sc_escapeWriteString(this) + '"'; | 
 | }; | 
 | /* Exported Variables */ | 
 | var BgL_testzd2boyerzd2; | 
 | var BgL_nboyerzd2benchmarkzd2; | 
 | var BgL_setupzd2boyerzd2; | 
 | /* End Exports */ | 
 |  | 
 | var translate_term_nboyer; | 
 | var translate_args_nboyer; | 
 | var untranslate_term_nboyer; | 
 | var BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer; | 
 | var BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer; | 
 | var translate_alist_nboyer; | 
 | var apply_subst_nboyer; | 
 | var apply_subst_lst_nboyer; | 
 | var tautologyp_nboyer; | 
 | var if_constructor_nboyer; | 
 | var rewrite_count_nboyer; | 
 | var rewrite_nboyer; | 
 | var rewrite_args_nboyer; | 
 | var unify_subst_nboyer; | 
 | var one_way_unify1_nboyer; | 
 | var false_term_nboyer; | 
 | var true_term_nboyer; | 
 | var trans_of_implies1_nboyer; | 
 | var is_term_equal_nboyer; | 
 | var is_term_member_nboyer; | 
 | var const_nboyer; | 
 | var sc_const_3_nboyer; | 
 | var sc_const_4_nboyer; | 
 | { | 
 |     (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))))))); | 
 |     (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)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cdifference",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),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("\u1E9Cequal",(new sc_Pair("\u1E9Cx",(new sc_Pair((new sc_Pair("\u1E9Cdifference",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cnumberp",(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("\u1E9Czerop",(new sc_Pair("\u1E9Cy",null)))),null)))))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cmeaning",(new sc_Pair((new sc_Pair("\u1E9Cplus-tree",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),null)))),(new sc_Pair("\u1E9Ca",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair((new sc_Pair("\u1E9Cmeaning",(new sc_Pair((new sc_Pair("\u1E9Cplus-tree",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair("\u1E9Ca",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cmeaning",(new sc_Pair((new sc_Pair("\u1E9Cplus-tree",(new sc_Pair("\u1E9Cy",null)))),(new sc_Pair("\u1E9Ca",null)))))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cmeaning",(new sc_Pair((new sc_Pair("\u1E9Cplus-tree",(new sc_Pair((new sc_Pair("\u1E9Cplus-fringe",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair("\u1E9Ca",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair((new sc_Pair("\u1E9Cmeaning",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Ca",null)))))),null)))),null)))))), (new 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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)))))))); | 
 |     (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))))))))))); | 
 |     BgL_nboyerzd2benchmarkzd2 = function() { | 
 |         var args = null; | 
 |         for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) { | 
 |             args = sc_cons(arguments[sc_tmp], args); | 
 |         } | 
 |         var n; | 
 |         return ((n = ((args === null)?(0):(args.car))), (BgL_setupzd2boyerzd2()), (BgL_runzd2benchmarkzd2(("nboyer"+(sc_number2string(n))), (1), function() { | 
 |             return (BgL_testzd2boyerzd2(n)); | 
 |         }, function(rewrites) { | 
 |             if ((sc_isNumber(rewrites))) | 
 |                 switch (n) { | 
 |                 case (0): | 
 |                     return (rewrites===(95024)); | 
 |                     break; | 
 |                 case (1): | 
 |                     return (rewrites===(591777)); | 
 |                     break; | 
 |                 case (2): | 
 |                     return (rewrites===(1813975)); | 
 |                     break; | 
 |                 case (3): | 
 |                     return (rewrites===(5375678)); | 
 |                     break; | 
 |                 case (4): | 
 |                     return (rewrites===(16445406)); | 
 |                     break; | 
 |                 case (5): | 
 |                     return (rewrites===(51507739)); | 
 |                     break; | 
 |                 default: | 
 |                     return true; | 
 |                     break; | 
 |                 } | 
 |             else | 
 |                 return false; | 
 |         }))); | 
 |     }; | 
 |     BgL_setupzd2boyerzd2 = function() { | 
 |         return true; | 
 |     }; | 
 |     BgL_testzd2boyerzd2 = function() { | 
 |         return true; | 
 |     }; | 
 |     translate_term_nboyer = function(term) { | 
 |         var lst; | 
 |         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)))))))))); | 
 |     }; | 
 |     translate_args_nboyer = function(lst) { | 
 |         var sc_lst_5; | 
 |         var term; | 
 |         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)))))))))); | 
 |     }; | 
 |     untranslate_term_nboyer = function(term) { | 
 |         var optrOpnd; | 
 |         var tail1131; | 
 |         var L1127; | 
 |         var falseHead1130; | 
 |         var symbol_record; | 
 |         if (!(term instanceof sc_Pair)) | 
 |             return term; | 
 |         else | 
 |             { | 
 |                 (falseHead1130 = (new sc_Pair(null, null))); | 
 |                 (L1127 = (term.cdr)); | 
 |                 (tail1131 = falseHead1130); | 
 |                 while (!(L1127 === null)) { | 
 |                     { | 
 |                         (tail1131.cdr = (new sc_Pair((untranslate_term_nboyer((L1127.car))), null))); | 
 |                         (tail1131 = (tail1131.cdr)); | 
 |                         (L1127 = (L1127.cdr)); | 
 |                     } | 
 |                 } | 
 |                 (optrOpnd = (falseHead1130.cdr)); | 
 |                 return (new sc_Pair(((symbol_record = (term.car)), (symbol_record[(0)])), optrOpnd)); | 
 |             } | 
 |     }; | 
 |     BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer = function(sym) { | 
 |         var r; | 
 |         var x; | 
 |         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))); | 
 |     }; | 
 |     (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null); | 
 |     translate_alist_nboyer = function(alist) { | 
 |         var sc_alist_6; | 
 |         var term; | 
 |         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)))))))))); | 
 |     }; | 
 |     apply_subst_nboyer = function(alist, term) { | 
 |         var lst; | 
 |         var temp_temp; | 
 |         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)))))))))); | 
 |     }; | 
 |     apply_subst_lst_nboyer = function(alist, lst) { | 
 |         var sc_lst_7; | 
 |         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)))))))))); | 
 |     }; | 
 |     tautologyp_nboyer = function(sc_x_11, true_lst, false_lst) { | 
 |         var tmp1125; | 
 |         var x; | 
 |         var tmp1126; | 
 |         var sc_x_8; | 
 |         var sc_tmp1125_9; | 
 |         var sc_tmp1126_10; | 
 |         var sc_x_11; | 
 |         var true_lst; | 
 |         var false_lst; | 
 |         while (true) { | 
 |             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)) | 
 |                 return true; | 
 |             else | 
 |                 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)) | 
 |                     return false; | 
 |                 else | 
 |                     if (!(sc_x_11 instanceof sc_Pair)) | 
 |                         return false; | 
 |                     else | 
 |                         if (((sc_x_11.car)===if_constructor_nboyer)) | 
 |                             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)) | 
 |                                 (sc_x_11 = (sc_x_11.cdr.cdr.car)); | 
 |                             else | 
 |                                 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)) | 
 |                                     (sc_x_11 = (sc_x_11.cdr.cdr.cdr.car)); | 
 |                                 else | 
 |                                     if (((tautologyp_nboyer((sc_x_11.cdr.cdr.car), (new sc_Pair((sc_x_11.cdr.car), true_lst)), false_lst))!== false)) | 
 |                                         { | 
 |                                             (false_lst = (new sc_Pair((sc_x_11.cdr.car), false_lst))); | 
 |                                             (sc_x_11 = (sc_x_11.cdr.cdr.cdr.car)); | 
 |                                         } | 
 |                                     else | 
 |                                         return false; | 
 |                         else | 
 |                             return false; | 
 |         } | 
 |     }; | 
 |     (if_constructor_nboyer = "\u1E9C*"); | 
 |     (rewrite_count_nboyer = (0)); | 
 |     rewrite_nboyer = function(term) { | 
 |         var term2; | 
 |         var sc_term_12; | 
 |         var lst; | 
 |         var symbol_record; | 
 |         var sc_lst_13; | 
 |         { | 
 |             (++rewrite_count_nboyer); | 
 |             if (!(term instanceof sc_Pair)) | 
 |                 return term; | 
 |             else | 
 |                 { | 
 |                     (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)))))))))); | 
 |                     (lst = ((symbol_record = (term.car)), (symbol_record[(1)]))); | 
 |                     while (true) { | 
 |                         if ((lst === null)) | 
 |                             return sc_term_12; | 
 |                         else | 
 |                             if ((((term2 = ((lst.car).cdr.car)), (unify_subst_nboyer = null), (one_way_unify1_nboyer(sc_term_12, term2)))!== false)) | 
 |                                 return (rewrite_nboyer((apply_subst_nboyer(unify_subst_nboyer, ((lst.car).cdr.cdr.car))))); | 
 |                             else | 
 |                                 (lst = (lst.cdr)); | 
 |                     } | 
 |                 } | 
 |         } | 
 |     }; | 
 |     rewrite_args_nboyer = function(lst) { | 
 |         var sc_lst_14; | 
 |         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)))))))))); | 
 |     }; | 
 |     (unify_subst_nboyer = "\u1E9C*"); | 
 |     one_way_unify1_nboyer = function(term1, term2) { | 
 |         var lst1; | 
 |         var lst2; | 
 |         var temp_temp; | 
 |         if (!(term2 instanceof sc_Pair)) | 
 |             { | 
 |                 (temp_temp = (sc_assq(term2, unify_subst_nboyer))); | 
 |                 if ((temp_temp!== false)) | 
 |                     return (is_term_equal_nboyer(term1, (temp_temp.cdr))); | 
 |                 else | 
 |                     if ((sc_isNumber(term2))) | 
 |                         return (sc_isEqual(term1, term2)); | 
 |                     else | 
 |                         { | 
 |                             (unify_subst_nboyer = (new sc_Pair((new sc_Pair(term2, term1)), unify_subst_nboyer))); | 
 |                             return true; | 
 |                         } | 
 |             } | 
 |         else | 
 |             if (!(term1 instanceof sc_Pair)) | 
 |                 return false; | 
 |             else | 
 |                 if (((term1.car)===(term2.car))) | 
 |                     { | 
 |                         (lst1 = (term1.cdr)); | 
 |                         (lst2 = (term2.cdr)); | 
 |                         while (true) { | 
 |                             if ((lst1 === null)) | 
 |                                 return (lst2 === null); | 
 |                             else | 
 |                                 if ((lst2 === null)) | 
 |                                     return false; | 
 |                                 else | 
 |                                     if (((one_way_unify1_nboyer((lst1.car), (lst2.car)))!== false)) | 
 |                                         { | 
 |                                             (lst1 = (lst1.cdr)); | 
 |                                             (lst2 = (lst2.cdr)); | 
 |                                         } | 
 |                                     else | 
 |                                         return false; | 
 |                         } | 
 |                     } | 
 |                 else | 
 |                     return false; | 
 |     }; | 
 |     (false_term_nboyer = "\u1E9C*"); | 
 |     (true_term_nboyer = "\u1E9C*"); | 
 |     trans_of_implies1_nboyer = function(n) { | 
 |         var sc_n_15; | 
 |         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))))))))))); | 
 |     }; | 
 |     is_term_equal_nboyer = function(x, y) { | 
 |         var lst1; | 
 |         var lst2; | 
 |         var r2; | 
 |         var r1; | 
 |         if ((x instanceof sc_Pair)) | 
 |             if ((y instanceof sc_Pair)) | 
 |                 if ((((r1 = (x.car)), (r2 = (y.car)), (r1===r2))!== false)) | 
 |                     { | 
 |                         (lst1 = (x.cdr)); | 
 |                         (lst2 = (y.cdr)); | 
 |                         while (true) { | 
 |                             if ((lst1 === null)) | 
 |                                 return (lst2 === null); | 
 |                             else | 
 |                                 if ((lst2 === null)) | 
 |                                     return false; | 
 |                                 else | 
 |                                     if (((is_term_equal_nboyer((lst1.car), (lst2.car)))!== false)) | 
 |                                         { | 
 |                                             (lst1 = (lst1.cdr)); | 
 |                                             (lst2 = (lst2.cdr)); | 
 |                                         } | 
 |                                     else | 
 |                                         return false; | 
 |                         } | 
 |                     } | 
 |                 else | 
 |                     return false; | 
 |             else | 
 |                 return false; | 
 |         else | 
 |             return (sc_isEqual(x, y)); | 
 |     }; | 
 |     is_term_member_nboyer = function(x, lst) { | 
 |         var x; | 
 |         var lst; | 
 |         while (true) { | 
 |             if ((lst === null)) | 
 |                 return false; | 
 |             else | 
 |                 if (((is_term_equal_nboyer(x, (lst.car)))!== false)) | 
 |                     return true; | 
 |                 else | 
 |                     (lst = (lst.cdr)); | 
 |         } | 
 |     }; | 
 |     BgL_setupzd2boyerzd2 = function() { | 
 |         var symbol_record; | 
 |         var value; | 
 |         var BgL_sc_symbolzd2record_16zd2; | 
 |         var sym; | 
 |         var sc_sym_17; | 
 |         var term; | 
 |         var lst; | 
 |         var sc_term_18; | 
 |         var sc_term_19; | 
 |         { | 
 |             (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null); | 
 |             (if_constructor_nboyer = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer("\u1E9Cif"))); | 
 |             (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)))))))); | 
 |             (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)))))))); | 
 |             (lst = sc_const_3_nboyer); | 
 |             while (!(lst === null)) { | 
 |                 { | 
 |                     (term = (lst.car)); | 
 |                     if (((term instanceof sc_Pair)&&(((term.car)==="\u1E9Cequal")&&((term.cdr.car) instanceof sc_Pair)))) | 
 |                         { | 
 |                             (sc_sym_17 = ((term.cdr.car).car)); | 
 |                             (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)]))))); | 
 |                             (symbol_record = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer(sc_sym_17))); | 
 |                             (symbol_record[(1)] = value); | 
 |                         } | 
 |                     else | 
 |                         (sc_error("ADD-LEMMA did not like term:  ", term)); | 
 |                     (lst = (lst.cdr)); | 
 |                 } | 
 |             } | 
 |             return true; | 
 |         } | 
 |     }; | 
 |     BgL_testzd2boyerzd2 = function(n) { | 
 |         var optrOpnd; | 
 |         var term; | 
 |         var sc_n_20; | 
 |         var answer; | 
 |         var sc_term_21; | 
 |         var sc_term_22; | 
 |         { | 
 |             (rewrite_count_nboyer = (0)); | 
 |             (term = sc_const_4_nboyer); | 
 |             (sc_n_20 = n); | 
 |             while (!(sc_n_20=== 0)) { | 
 |                 { | 
 |                     (term = (sc_list("\u1E9Cor", term, (new sc_Pair("\u1E9Cf",null))))); | 
 |                     (--sc_n_20); | 
 |                 } | 
 |             } | 
 |             (sc_term_22 = term); | 
 |             if (!(sc_term_22 instanceof sc_Pair)) | 
 |                 (optrOpnd = sc_term_22); | 
 |             else | 
 |                 (optrOpnd = (new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_22.car))), (translate_args_nboyer((sc_term_22.cdr)))))); | 
 |             (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))); | 
 |             (answer = (tautologyp_nboyer((rewrite_nboyer(sc_term_21)), null, null))); | 
 |             (sc_write(rewrite_count_nboyer)); | 
 |             (sc_display(" rewrites")); | 
 |             (sc_newline()); | 
 |             if ((answer!== false)) | 
 |                 return rewrite_count_nboyer; | 
 |             else | 
 |                 return false; | 
 |         } | 
 |     }; | 
 | } | 
 | /* Exported Variables */ | 
 | var BgL_parsezd2ze3nbzd2treesze3; | 
 | var BgL_earleyzd2benchmarkzd2; | 
 | var BgL_parsezd2ze3parsedzf3zc2; | 
 | var test; | 
 | var BgL_parsezd2ze3treesz31; | 
 | var BgL_makezd2parserzd2; | 
 | /* End Exports */ | 
 |  | 
 | var const_earley; | 
 | { | 
 |     (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))); | 
 |     BgL_makezd2parserzd2 = function(grammar, lexer) { | 
 |         var i; | 
 |         var parser_descr; | 
 |         var def_loop; | 
 |         var nb_nts; | 
 |         var names; | 
 |         var steps; | 
 |         var predictors; | 
 |         var enders; | 
 |         var starters; | 
 |         var nts; | 
 |         var sc_names_1; | 
 |         var sc_steps_2; | 
 |         var sc_predictors_3; | 
 |         var sc_enders_4; | 
 |         var sc_starters_5; | 
 |         var nb_confs; | 
 |         var BgL_sc_defzd2loop_6zd2; | 
 |         var BgL_sc_nbzd2nts_7zd2; | 
 |         var sc_nts_8; | 
 |         var BgL_sc_defzd2loop_9zd2; | 
 |         var ind; | 
 |         { | 
 |             ind = function(nt, sc_nts_10) { | 
 |                 var i; | 
 |                 { | 
 |                     (i = ((sc_nts_10.length)-(1))); | 
 |                     while (true) { | 
 |                         if ((i>=(0))) | 
 |                             if ((sc_isEqual((sc_nts_10[i]), nt))) | 
 |                                 return i; | 
 |                             else | 
 |                                 (--i); | 
 |                         else | 
 |                             return false; | 
 |                     } | 
 |                 } | 
 |             }; | 
 |             (sc_nts_8 = ((BgL_sc_defzd2loop_9zd2 = function(defs, sc_nts_11) { | 
 |                 var rule_loop; | 
 |                 var head; | 
 |                 var def; | 
 |                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, sc_nts_12) { | 
 |                     var nt; | 
 |                     var l; | 
 |                     var sc_nts_13; | 
 |                     var rule; | 
 |                     if ((rules instanceof sc_Pair)) | 
 |                         { | 
 |                             (rule = (rules.car)); | 
 |                             (l = rule); | 
 |                             (sc_nts_13 = sc_nts_12); | 
 |                             while ((l instanceof sc_Pair)) { | 
 |                                 { | 
 |                                     (nt = (l.car)); | 
 |                                     (l = (l.cdr)); | 
 |                                     (sc_nts_13 = (((sc_member(nt, sc_nts_13))!== false)?sc_nts_13:(new sc_Pair(nt, sc_nts_13)))); | 
 |                                 } | 
 |                             } | 
 |                             return (rule_loop((rules.cdr), sc_nts_13)); | 
 |                         } | 
 |                     else | 
 |                         return (BgL_sc_defzd2loop_9zd2((defs.cdr), sc_nts_12)); | 
 |                 }), (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))))); | 
 |             }), (BgL_sc_defzd2loop_9zd2(grammar, null)))); | 
 |             (BgL_sc_nbzd2nts_7zd2 = (sc_nts_8.length)); | 
 |             (nb_confs = (((BgL_sc_defzd2loop_6zd2 = function(defs, BgL_sc_nbzd2confs_14zd2) { | 
 |                 var rule_loop; | 
 |                 var def; | 
 |                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (rule_loop = function(rules, BgL_sc_nbzd2confs_15zd2) { | 
 |                     var l; | 
 |                     var BgL_sc_nbzd2confs_16zd2; | 
 |                     var rule; | 
 |                     if ((rules instanceof sc_Pair)) | 
 |                         { | 
 |                             (rule = (rules.car)); | 
 |                             (l = rule); | 
 |                             (BgL_sc_nbzd2confs_16zd2 = BgL_sc_nbzd2confs_15zd2); | 
 |                             while ((l instanceof sc_Pair)) { | 
 |                                 { | 
 |                                     (l = (l.cdr)); | 
 |                                     (++BgL_sc_nbzd2confs_16zd2); | 
 |                                 } | 
 |                             } | 
 |                             return (rule_loop((rules.cdr), (BgL_sc_nbzd2confs_16zd2+(1)))); | 
 |                         } | 
 |                     else | 
 |                         return (BgL_sc_defzd2loop_6zd2((defs.cdr), BgL_sc_nbzd2confs_15zd2)); | 
 |                 }), (rule_loop((def.cdr), BgL_sc_nbzd2confs_14zd2))):BgL_sc_nbzd2confs_14zd2); | 
 |             }), (BgL_sc_defzd2loop_6zd2(grammar, (0))))+BgL_sc_nbzd2nts_7zd2)); | 
 |             (sc_starters_5 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null))); | 
 |             (sc_enders_4 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null))); | 
 |             (sc_predictors_3 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null))); | 
 |             (sc_steps_2 = (sc_makeVector(nb_confs, false))); | 
 |             (sc_names_1 = (sc_makeVector(nb_confs, false))); | 
 |             (nts = sc_nts_8); | 
 |             (starters = sc_starters_5); | 
 |             (enders = sc_enders_4); | 
 |             (predictors = sc_predictors_3); | 
 |             (steps = sc_steps_2); | 
 |             (names = sc_names_1); | 
 |             (nb_nts = (sc_nts_8.length)); | 
 |             (i = (nb_nts-(1))); | 
 |             while ((i>=(0))) { | 
 |                 { | 
 |                     (sc_steps_2[i] = (i-nb_nts)); | 
 |                     (sc_names_1[i] = (sc_list((sc_nts_8[i]), (0)))); | 
 |                     (sc_enders_4[i] = (sc_list(i))); | 
 |                     (--i); | 
 |                 } | 
 |             } | 
 |             def_loop = function(defs, conf) { | 
 |                 var rule_loop; | 
 |                 var head; | 
 |                 var def; | 
 |                 return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, conf, rule_num) { | 
 |                     var i; | 
 |                     var sc_i_17; | 
 |                     var nt; | 
 |                     var l; | 
 |                     var sc_conf_18; | 
 |                     var sc_i_19; | 
 |                     var rule; | 
 |                     if ((rules instanceof sc_Pair)) | 
 |                         { | 
 |                             (rule = (rules.car)); | 
 |                             (names[conf] = (sc_list(head, rule_num))); | 
 |                             (sc_i_19 = (ind(head, nts))); | 
 |                             (starters[sc_i_19] = (new sc_Pair(conf, (starters[sc_i_19])))); | 
 |                             (l = rule); | 
 |                             (sc_conf_18 = conf); | 
 |                             while ((l instanceof sc_Pair)) { | 
 |                                 { | 
 |                                     (nt = (l.car)); | 
 |                                     (steps[sc_conf_18] = (ind(nt, nts))); | 
 |                                     (sc_i_17 = (ind(nt, nts))); | 
 |                                     (predictors[sc_i_17] = (new sc_Pair(sc_conf_18, (predictors[sc_i_17])))); | 
 |                                     (l = (l.cdr)); | 
 |                                     (++sc_conf_18); | 
 |                                 } | 
 |                             } | 
 |                             (steps[sc_conf_18] = ((ind(head, nts))-nb_nts)); | 
 |                             (i = (ind(head, nts))); | 
 |                             (enders[i] = (new sc_Pair(sc_conf_18, (enders[i])))); | 
 |                             return (rule_loop((rules.cdr), (sc_conf_18+(1)), (rule_num+(1)))); | 
 |                         } | 
 |                     else | 
 |                         return (def_loop((defs.cdr), conf)); | 
 |                 }), (rule_loop((def.cdr), conf, (1)))):undefined); | 
 |             }; | 
 |             (def_loop(grammar, (sc_nts_8.length))); | 
 |             (parser_descr = [lexer, sc_nts_8, sc_starters_5, sc_enders_4, sc_predictors_3, sc_steps_2, sc_names_1]); | 
 |             return function(input) { | 
 |                 var optrOpnd; | 
 |                 var sc_optrOpnd_20; | 
 |                 var sc_optrOpnd_21; | 
 |                 var sc_optrOpnd_22; | 
 |                 var loop1; | 
 |                 var BgL_sc_stateza2_23za2; | 
 |                 var toks; | 
 |                 var BgL_sc_nbzd2nts_24zd2; | 
 |                 var sc_steps_25; | 
 |                 var sc_enders_26; | 
 |                 var state_num; | 
 |                 var BgL_sc_statesza2_27za2; | 
 |                 var states; | 
 |                 var i; | 
 |                 var conf; | 
 |                 var l; | 
 |                 var tok_nts; | 
 |                 var sc_i_28; | 
 |                 var sc_i_29; | 
 |                 var l1; | 
 |                 var l2; | 
 |                 var tok; | 
 |                 var tail1129; | 
 |                 var L1125; | 
 |                 var goal_enders; | 
 |                 var BgL_sc_statesza2_30za2; | 
 |                 var BgL_sc_nbzd2nts_31zd2; | 
 |                 var BgL_sc_nbzd2confs_32zd2; | 
 |                 var nb_toks; | 
 |                 var goal_starters; | 
 |                 var sc_states_33; | 
 |                 var BgL_sc_nbzd2confs_34zd2; | 
 |                 var BgL_sc_nbzd2toks_35zd2; | 
 |                 var sc_toks_36; | 
 |                 var falseHead1128; | 
 |                 var sc_names_37; | 
 |                 var sc_steps_38; | 
 |                 var sc_predictors_39; | 
 |                 var sc_enders_40; | 
 |                 var sc_starters_41; | 
 |                 var sc_nts_42; | 
 |                 var lexer; | 
 |                 var sc_ind_43; | 
 |                 var make_states; | 
 |                 var BgL_sc_confzd2setzd2getza2_44za2; | 
 |                 var conf_set_merge_new_bang; | 
 |                 var conf_set_adjoin; | 
 |                 var BgL_sc_confzd2setzd2adjoinza2_45za2; | 
 |                 var BgL_sc_confzd2setzd2adjoinza2za2_46z00; | 
 |                 var conf_set_union; | 
 |                 var forw; | 
 |                 var is_parsed; | 
 |                 var deriv_trees; | 
 |                 var BgL_sc_derivzd2treesza2_47z70; | 
 |                 var nb_deriv_trees; | 
 |                 var BgL_sc_nbzd2derivzd2treesza2_48za2; | 
 |                 { | 
 |                     sc_ind_43 = function(nt, sc_nts_49) { | 
 |                         var i; | 
 |                         { | 
 |                             (i = ((sc_nts_49.length)-(1))); | 
 |                             while (true) { | 
 |                                 if ((i>=(0))) | 
 |                                     if ((sc_isEqual((sc_nts_49[i]), nt))) | 
 |                                         return i; | 
 |                                     else | 
 |                                         (--i); | 
 |                                 else | 
 |                                     return false; | 
 |                             } | 
 |                         } | 
 |                     }; | 
 |                     make_states = function(BgL_sc_nbzd2toks_50zd2, BgL_sc_nbzd2confs_51zd2) { | 
 |                         var v; | 
 |                         var i; | 
 |                         var sc_states_52; | 
 |                         { | 
 |                             (sc_states_52 = (sc_makeVector((BgL_sc_nbzd2toks_50zd2+(1)), false))); | 
 |                             (i = BgL_sc_nbzd2toks_50zd2); | 
 |                             while ((i>=(0))) { | 
 |                                 { | 
 |                                     (v = (sc_makeVector((BgL_sc_nbzd2confs_51zd2+(1)), false))); | 
 |                                     (v[(0)] = (-1)); | 
 |                                     (sc_states_52[i] = v); | 
 |                                     (--i); | 
 |                                 } | 
 |                             } | 
 |                             return sc_states_52; | 
 |                         } | 
 |                     }; | 
 |                     BgL_sc_confzd2setzd2getza2_44za2 = function(state, BgL_sc_statezd2num_53zd2, sc_conf_54) { | 
 |                         var conf_set; | 
 |                         var BgL_sc_confzd2set_55zd2; | 
 |                         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))); | 
 |                     }; | 
 |                     conf_set_merge_new_bang = function(conf_set) { | 
 |                         return ((conf_set[((conf_set[(1)])+(5))] = (conf_set[(4)])), (conf_set[(1)] = (conf_set[(3)])), (conf_set[(3)] = (-1)), (conf_set[(4)] = (-1))); | 
 |                     }; | 
 |                     conf_set_adjoin = function(state, conf_set, sc_conf_56, i) { | 
 |                         var tail; | 
 |                         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)); | 
 |                     }; | 
 |                     BgL_sc_confzd2setzd2adjoinza2_45za2 = function(sc_states_57, BgL_sc_statezd2num_58zd2, l, i) { | 
 |                         var conf_set; | 
 |                         var sc_conf_59; | 
 |                         var l1; | 
 |                         var state; | 
 |                         { | 
 |                             (state = (sc_states_57[BgL_sc_statezd2num_58zd2])); | 
 |                             (l1 = l); | 
 |                             while ((l1 instanceof sc_Pair)) { | 
 |                                 { | 
 |                                     (sc_conf_59 = (l1.car)); | 
 |                                     (conf_set = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_58zd2, sc_conf_59))); | 
 |                                     if (((conf_set[(i+(5))])=== false)) | 
 |                                         { | 
 |                                             (conf_set_adjoin(state, conf_set, sc_conf_59, i)); | 
 |                                             (l1 = (l1.cdr)); | 
 |                                         } | 
 |                                     else | 
 |                                         (l1 = (l1.cdr)); | 
 |                                 } | 
 |                             } | 
 |                             return undefined; | 
 |                         } | 
 |                     }; | 
 |                     BgL_sc_confzd2setzd2adjoinza2za2_46z00 = function(sc_states_60, BgL_sc_statesza2_61za2, BgL_sc_statezd2num_62zd2, sc_conf_63, i) { | 
 |                         var BgL_sc_confzd2setza2_64z70; | 
 |                         var BgL_sc_stateza2_65za2; | 
 |                         var conf_set; | 
 |                         var state; | 
 |                         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)); | 
 |                     }; | 
 |                     conf_set_union = function(state, conf_set, sc_conf_66, other_set) { | 
 |                         var i; | 
 |                         { | 
 |                             (i = (other_set[(2)])); | 
 |                             while ((i>=(0))) { | 
 |                                 if (((conf_set[(i+(5))])=== false)) | 
 |                                     { | 
 |                                         (conf_set_adjoin(state, conf_set, sc_conf_66, i)); | 
 |                                         (i = (other_set[(i+(5))])); | 
 |                                     } | 
 |                                 else | 
 |                                     (i = (other_set[(i+(5))])); | 
 |                             } | 
 |                             return undefined; | 
 |                         } | 
 |                     }; | 
 |                     forw = function(sc_states_67, BgL_sc_statezd2num_68zd2, sc_starters_69, sc_enders_70, sc_predictors_71, sc_steps_72, sc_nts_73) { | 
 |                         var next_set; | 
 |                         var next; | 
 |                         var conf_set; | 
 |                         var ender; | 
 |                         var l; | 
 |                         var starter_set; | 
 |                         var starter; | 
 |                         var sc_l_74; | 
 |                         var sc_loop1_75; | 
 |                         var head; | 
 |                         var BgL_sc_confzd2set_76zd2; | 
 |                         var BgL_sc_statezd2num_77zd2; | 
 |                         var state; | 
 |                         var sc_states_78; | 
 |                         var preds; | 
 |                         var BgL_sc_confzd2set_79zd2; | 
 |                         var step; | 
 |                         var sc_conf_80; | 
 |                         var BgL_sc_nbzd2nts_81zd2; | 
 |                         var sc_state_82; | 
 |                         { | 
 |                             (sc_state_82 = (sc_states_67[BgL_sc_statezd2num_68zd2])); | 
 |                             (BgL_sc_nbzd2nts_81zd2 = (sc_nts_73.length)); | 
 |                             while (true) { | 
 |                                 { | 
 |                                     (sc_conf_80 = (sc_state_82[(0)])); | 
 |                                     if ((sc_conf_80>=(0))) | 
 |                                         { | 
 |                                             (step = (sc_steps_72[sc_conf_80])); | 
 |                                             (BgL_sc_confzd2set_79zd2 = (sc_state_82[(sc_conf_80+(1))])); | 
 |                                             (head = (BgL_sc_confzd2set_79zd2[(4)])); | 
 |                                             (sc_state_82[(0)] = (BgL_sc_confzd2set_79zd2[(0)])); | 
 |                                             (conf_set_merge_new_bang(BgL_sc_confzd2set_79zd2)); | 
 |                                             if ((step>=(0))) | 
 |                                                 { | 
 |                                                     (sc_l_74 = (sc_starters_69[step])); | 
 |                                                     while ((sc_l_74 instanceof sc_Pair)) { | 
 |                                                         { | 
 |                                                             (starter = (sc_l_74.car)); | 
 |                                                             (starter_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, starter))); | 
 |                                                             if (((starter_set[(BgL_sc_statezd2num_68zd2+(5))])=== false)) | 
 |                                                                 { | 
 |                                                                     (conf_set_adjoin(sc_state_82, starter_set, starter, BgL_sc_statezd2num_68zd2)); | 
 |                                                                     (sc_l_74 = (sc_l_74.cdr)); | 
 |                                                                 } | 
 |                                                             else | 
 |                                                                 (sc_l_74 = (sc_l_74.cdr)); | 
 |                                                         } | 
 |                                                     } | 
 |                                                     (l = (sc_enders_70[step])); | 
 |                                                     while ((l instanceof sc_Pair)) { | 
 |                                                         { | 
 |                                                             (ender = (l.car)); | 
 |                                                             if ((((conf_set = (sc_state_82[(ender+(1))])), ((conf_set!== false)?(conf_set[(BgL_sc_statezd2num_68zd2+(5))]):false))!== false)) | 
 |                                                                 { | 
 |                                                                     (next = (sc_conf_80+(1))); | 
 |                                                                     (next_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, next))); | 
 |                                                                     (conf_set_union(sc_state_82, next_set, next, BgL_sc_confzd2set_79zd2)); | 
 |                                                                     (l = (l.cdr)); | 
 |                                                                 } | 
 |                                                             else | 
 |                                                                 (l = (l.cdr)); | 
 |                                                         } | 
 |                                                     } | 
 |                                                 } | 
 |                                             else | 
 |                                                 { | 
 |                                                     (preds = (sc_predictors_71[(step+BgL_sc_nbzd2nts_81zd2)])); | 
 |                                                     (sc_states_78 = sc_states_67); | 
 |                                                     (state = sc_state_82); | 
 |                                                     (BgL_sc_statezd2num_77zd2 = BgL_sc_statezd2num_68zd2); | 
 |                                                     (BgL_sc_confzd2set_76zd2 = BgL_sc_confzd2set_79zd2); | 
 |                                                     sc_loop1_75 = function(l) { | 
 |                                                         var sc_state_83; | 
 |                                                         var BgL_sc_nextzd2set_84zd2; | 
 |                                                         var sc_next_85; | 
 |                                                         var pred_set; | 
 |                                                         var i; | 
 |                                                         var pred; | 
 |                                                         if ((l instanceof sc_Pair)) | 
 |                                                             { | 
 |                                                                 (pred = (l.car)); | 
 |                                                                 (i = head); | 
 |                                                                 while ((i>=(0))) { | 
 |                                                                     { | 
 |                                                                         (pred_set = ((sc_state_83 = (sc_states_78[i])), (sc_state_83[(pred+(1))]))); | 
 |                                                                         if ((pred_set!== false)) | 
 |                                                                             { | 
 |                                                                                 (sc_next_85 = (pred+(1))); | 
 |                                                                                 (BgL_sc_nextzd2set_84zd2 = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_77zd2, sc_next_85))); | 
 |                                                                                 (conf_set_union(state, BgL_sc_nextzd2set_84zd2, sc_next_85, pred_set)); | 
 |                                                                             } | 
 |                                                                         (i = (BgL_sc_confzd2set_76zd2[(i+(5))])); | 
 |                                                                     } | 
 |                                                                 } | 
 |                                                                 return (sc_loop1_75((l.cdr))); | 
 |                                                             } | 
 |                                                         else | 
 |                                                             return undefined; | 
 |                                                     }; | 
 |                                                     (sc_loop1_75(preds)); | 
 |                                                 } | 
 |                                         } | 
 |                                     else | 
 |                                         return undefined; | 
 |                                 } | 
 |                             } | 
 |                         } | 
 |                     }; | 
 |                     is_parsed = function(nt, i, j, sc_nts_86, sc_enders_87, sc_states_88) { | 
 |                         var conf_set; | 
 |                         var state; | 
 |                         var sc_conf_89; | 
 |                         var l; | 
 |                         var BgL_sc_ntza2_90za2; | 
 |                         { | 
 |                             (BgL_sc_ntza2_90za2 = (sc_ind_43(nt, sc_nts_86))); | 
 |                             if ((BgL_sc_ntza2_90za2!== false)) | 
 |                                 { | 
 |                                     (sc_nts_86.length); | 
 |                                     (l = (sc_enders_87[BgL_sc_ntza2_90za2])); | 
 |                                     while (true) { | 
 |                                         if ((l instanceof sc_Pair)) | 
 |                                             { | 
 |                                                 (sc_conf_89 = (l.car)); | 
 |                                                 if ((((state = (sc_states_88[j])), (conf_set = (state[(sc_conf_89+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)) | 
 |                                                     return true; | 
 |                                                 else | 
 |                                                     (l = (l.cdr)); | 
 |                                             } | 
 |                                         else | 
 |                                             return false; | 
 |                                     } | 
 |                                 } | 
 |                             else | 
 |                                 return false; | 
 |                         } | 
 |                     }; | 
 |                     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) { | 
 |                         var sc_loop1_98; | 
 |                         var prev; | 
 |                         var name; | 
 |                         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) { | 
 |                             var loop2; | 
 |                             var ender_set; | 
 |                             var state; | 
 |                             var ender; | 
 |                             var l1; | 
 |                             var l2; | 
 |                             while (true) { | 
 |                                 if ((l1 instanceof sc_Pair)) | 
 |                                     { | 
 |                                         (ender = (l1.car)); | 
 |                                         (ender_set = ((state = (sc_states_96[j])), (state[(ender+(1))]))); | 
 |                                         if ((ender_set!== false)) | 
 |                                             { | 
 |                                                 loop2 = function(k, l2) { | 
 |                                                     var loop3; | 
 |                                                     var ender_trees; | 
 |                                                     var prev_trees; | 
 |                                                     var conf_set; | 
 |                                                     var sc_state_99; | 
 |                                                     var k; | 
 |                                                     var l2; | 
 |                                                     while (true) { | 
 |                                                         if ((k>=(0))) | 
 |                                                             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))) | 
 |                                                                 { | 
 |                                                                     (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))); | 
 |                                                                     (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))); | 
 |                                                                     loop3 = function(l3, l2) { | 
 |                                                                         var l4; | 
 |                                                                         var sc_l2_100; | 
 |                                                                         var ender_tree; | 
 |                                                                         if ((l3 instanceof sc_Pair)) | 
 |                                                                             { | 
 |                                                                                 (ender_tree = (sc_list((l3.car)))); | 
 |                                                                                 (l4 = prev_trees); | 
 |                                                                                 (sc_l2_100 = l2); | 
 |                                                                                 while ((l4 instanceof sc_Pair)) { | 
 |                                                                                     { | 
 |                                                                                         (sc_l2_100 = (new sc_Pair((sc_append((l4.car), ender_tree)), sc_l2_100))); | 
 |                                                                                         (l4 = (l4.cdr)); | 
 |                                                                                     } | 
 |                                                                                 } | 
 |                                                                                 return (loop3((l3.cdr), sc_l2_100)); | 
 |                                                                             } | 
 |                                                                         else | 
 |                                                                             return (loop2((ender_set[(k+(5))]), l2)); | 
 |                                                                     }; | 
 |                                                                     return (loop3(ender_trees, l2)); | 
 |                                                                 } | 
 |                                                             else | 
 |                                                                 (k = (ender_set[(k+(5))])); | 
 |                                                         else | 
 |                                                             return (sc_loop1_98((l1.cdr), l2)); | 
 |                                                     } | 
 |                                                 }; | 
 |                                                 return (loop2((ender_set[(2)]), l2)); | 
 |                                             } | 
 |                                         else | 
 |                                             (l1 = (l1.cdr)); | 
 |                                     } | 
 |                                 else | 
 |                                     return l2; | 
 |                             } | 
 |                         }), (sc_loop1_98((sc_enders_92[(sc_steps_93[prev])]), null))))); | 
 |                     }; | 
 |                     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) { | 
 |                         var conf_set; | 
 |                         var state; | 
 |                         var sc_conf_107; | 
 |                         var l; | 
 |                         var trees; | 
 |                         var BgL_sc_nbzd2nts_108zd2; | 
 |                         var BgL_sc_ntza2_109za2; | 
 |                         { | 
 |                             (BgL_sc_ntza2_109za2 = (sc_ind_43(nt, sc_nts_101))); | 
 |                             if ((BgL_sc_ntza2_109za2!== false)) | 
 |                                 { | 
 |                                     (BgL_sc_nbzd2nts_108zd2 = (sc_nts_101.length)); | 
 |                                     (l = (sc_enders_102[BgL_sc_ntza2_109za2])); | 
 |                                     (trees = null); | 
 |                                     while ((l instanceof sc_Pair)) { | 
 |                                         { | 
 |                                             (sc_conf_107 = (l.car)); | 
 |                                             if ((((state = (sc_states_106[j])), (conf_set = (state[(sc_conf_107+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)) | 
 |                                                 { | 
 |                                                     (l = (l.cdr)); | 
 |                                                     (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))); | 
 |                                                 } | 
 |                                             else | 
 |                                                 (l = (l.cdr)); | 
 |                                         } | 
 |                                     } | 
 |                                     return trees; | 
 |                                 } | 
 |                             else | 
 |                                 return false; | 
 |                         } | 
 |                     }; | 
 |                     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) { | 
 |                         var sc_loop1_116; | 
 |                         var tmp1124; | 
 |                         var prev; | 
 |                         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) { | 
 |                             var nb_ender_trees; | 
 |                             var nb_prev_trees; | 
 |                             var conf_set; | 
 |                             var state; | 
 |                             var k; | 
 |                             var n; | 
 |                             var ender_set; | 
 |                             var sc_state_117; | 
 |                             var ender; | 
 |                             var l; | 
 |                             var sc_n_118; | 
 |                             while (true) { | 
 |                                 if ((l instanceof sc_Pair)) | 
 |                                     { | 
 |                                         (ender = (l.car)); | 
 |                                         (ender_set = ((sc_state_117 = (sc_states_114[j])), (sc_state_117[(ender+(1))]))); | 
 |                                         if ((ender_set!== false)) | 
 |                                             { | 
 |                                                 (k = (ender_set[(2)])); | 
 |                                                 (n = sc_n_118); | 
 |                                                 while ((k>=(0))) { | 
 |                                                     if (((k>=i)&&(((state = (sc_states_114[k])), (conf_set = (state[(prev+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))) | 
 |                                                         { | 
 |                                                             (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))); | 
 |                                                             (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))); | 
 |                                                             (k = (ender_set[(k+(5))])); | 
 |                                                             (n +=(nb_prev_trees*nb_ender_trees)); | 
 |                                                         } | 
 |                                                     else | 
 |                                                         (k = (ender_set[(k+(5))])); | 
 |                                                 } | 
 |                                                 return (sc_loop1_116((l.cdr), n)); | 
 |                                             } | 
 |                                         else | 
 |                                             (l = (l.cdr)); | 
 |                                     } | 
 |                                 else | 
 |                                     return sc_n_118; | 
 |                             } | 
 |                         }), (sc_loop1_116((sc_enders_111[(sc_steps_112[prev])]), (0)))))); | 
 |                     }; | 
 |                     BgL_sc_nbzd2derivzd2treesza2_48za2 = function(nt, i, j, sc_nts_119, sc_enders_120, sc_steps_121, sc_toks_122, sc_states_123) { | 
 |                         var conf_set; | 
 |                         var state; | 
 |                         var sc_conf_124; | 
 |                         var l; | 
 |                         var nb_trees; | 
 |                         var BgL_sc_nbzd2nts_125zd2; | 
 |                         var BgL_sc_ntza2_126za2; | 
 |                         { | 
 |                             (BgL_sc_ntza2_126za2 = (sc_ind_43(nt, sc_nts_119))); | 
 |                             if ((BgL_sc_ntza2_126za2!== false)) | 
 |                                 { | 
 |                                     (BgL_sc_nbzd2nts_125zd2 = (sc_nts_119.length)); | 
 |                                     (l = (sc_enders_120[BgL_sc_ntza2_126za2])); | 
 |                                     (nb_trees = (0)); | 
 |                                     while ((l instanceof sc_Pair)) { | 
 |                                         { | 
 |                                             (sc_conf_124 = (l.car)); | 
 |                                             if ((((state = (sc_states_123[j])), (conf_set = (state[(sc_conf_124+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)) | 
 |                                                 { | 
 |                                                     (l = (l.cdr)); | 
 |                                                     (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)); | 
 |                                                 } | 
 |                                             else | 
 |                                                 (l = (l.cdr)); | 
 |                                         } | 
 |                                     } | 
 |                                     return nb_trees; | 
 |                                 } | 
 |                             else | 
 |                                 return false; | 
 |                         } | 
 |                     }; | 
 |                     (lexer = (parser_descr[(0)])); | 
 |                     (sc_nts_42 = (parser_descr[(1)])); | 
 |                     (sc_starters_41 = (parser_descr[(2)])); | 
 |                     (sc_enders_40 = (parser_descr[(3)])); | 
 |                     (sc_predictors_39 = (parser_descr[(4)])); | 
 |                     (sc_steps_38 = (parser_descr[(5)])); | 
 |                     (sc_names_37 = (parser_descr[(6)])); | 
 |                     (falseHead1128 = (new sc_Pair(null, null))); | 
 |                     (L1125 = (lexer(input))); | 
 |                     (tail1129 = falseHead1128); | 
 |                     while (!(L1125 === null)) { | 
 |                         { | 
 |                             (tok = (L1125.car)); | 
 |                             (l1 = (tok.cdr)); | 
 |                             (l2 = null); | 
 |                             while ((l1 instanceof sc_Pair)) { | 
 |                                 { | 
 |                                     (sc_i_29 = (sc_ind_43((l1.car), sc_nts_42))); | 
 |                                     if ((sc_i_29!== false)) | 
 |                                         { | 
 |                                             (l1 = (l1.cdr)); | 
 |                                             (l2 = (new sc_Pair(sc_i_29, l2))); | 
 |                                         } | 
 |                                     else | 
 |                                         (l1 = (l1.cdr)); | 
 |                                 } | 
 |                             } | 
 |                             (sc_optrOpnd_22 = (new sc_Pair((tok.car), (sc_reverse(l2))))); | 
 |                             (sc_optrOpnd_21 = (new sc_Pair(sc_optrOpnd_22, null))); | 
 |                             (tail1129.cdr = sc_optrOpnd_21); | 
 |                             (tail1129 = (tail1129.cdr)); | 
 |                             (L1125 = (L1125.cdr)); | 
 |                         } | 
 |                     } | 
 |                     (sc_optrOpnd_20 = (falseHead1128.cdr)); | 
 |                     (sc_toks_36 = (sc_list2vector(sc_optrOpnd_20))); | 
 |                     (BgL_sc_nbzd2toks_35zd2 = (sc_toks_36.length)); | 
 |                     (BgL_sc_nbzd2confs_34zd2 = (sc_steps_38.length)); | 
 |                     (sc_states_33 = (make_states(BgL_sc_nbzd2toks_35zd2, BgL_sc_nbzd2confs_34zd2))); | 
 |                     (goal_starters = (sc_starters_41[(0)])); | 
 |                     (BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (0), goal_starters, (0))); | 
 |                     (forw(sc_states_33, (0), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42)); | 
 |                     (sc_i_28 = (0)); | 
 |                     while ((sc_i_28<BgL_sc_nbzd2toks_35zd2)) { | 
 |                         { | 
 |                             (tok_nts = ((sc_toks_36[sc_i_28]).cdr)); | 
 |                             (BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (sc_i_28+(1)), tok_nts, sc_i_28)); | 
 |                             (forw(sc_states_33, (sc_i_28+(1)), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42)); | 
 |                             (++sc_i_28); | 
 |                         } | 
 |                     } | 
 |                     (nb_toks = (sc_toks_36.length)); | 
 |                     (BgL_sc_nbzd2confs_32zd2 = (sc_steps_38.length)); | 
 |                     (BgL_sc_nbzd2nts_31zd2 = (sc_nts_42.length)); | 
 |                     (BgL_sc_statesza2_30za2 = (make_states(nb_toks, BgL_sc_nbzd2confs_32zd2))); | 
 |                     (goal_enders = (sc_enders_40[(0)])); | 
 |                     (l = goal_enders); | 
 |                     while ((l instanceof sc_Pair)) { | 
 |                         { | 
 |                             (conf = (l.car)); | 
 |                             (BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_33, BgL_sc_statesza2_30za2, nb_toks, conf, (0))); | 
 |                             (l = (l.cdr)); | 
 |                         } | 
 |                     } | 
 |                     (i = nb_toks); | 
 |                     while ((i>=(0))) { | 
 |                         { | 
 |                             (states = sc_states_33); | 
 |                             (BgL_sc_statesza2_27za2 = BgL_sc_statesza2_30za2); | 
 |                             (state_num = i); | 
 |                             (sc_enders_26 = sc_enders_40); | 
 |                             (sc_steps_25 = sc_steps_38); | 
 |                             (BgL_sc_nbzd2nts_24zd2 = BgL_sc_nbzd2nts_31zd2); | 
 |                             (toks = sc_toks_36); | 
 |                             (BgL_sc_stateza2_23za2 = (BgL_sc_statesza2_30za2[i])); | 
 |                             loop1 = function() { | 
 |                                 var sc_loop1_127; | 
 |                                 var prev; | 
 |                                 var BgL_sc_statesza2_128za2; | 
 |                                 var sc_states_129; | 
 |                                 var j; | 
 |                                 var i; | 
 |                                 var sc_i_130; | 
 |                                 var head; | 
 |                                 var conf_set; | 
 |                                 var sc_conf_131; | 
 |                                 { | 
 |                                     (sc_conf_131 = (BgL_sc_stateza2_23za2[(0)])); | 
 |                                     if ((sc_conf_131>=(0))) | 
 |                                         { | 
 |                                             (conf_set = (BgL_sc_stateza2_23za2[(sc_conf_131+(1))])); | 
 |                                             (head = (conf_set[(4)])); | 
 |                                             (BgL_sc_stateza2_23za2[(0)] = (conf_set[(0)])); | 
 |                                             (conf_set_merge_new_bang(conf_set)); | 
 |                                             (sc_i_130 = head); | 
 |                                             while ((sc_i_130>=(0))) { | 
 |                                                 { | 
 |                                                     (i = sc_i_130); | 
 |                                                     (j = state_num); | 
 |                                                     (sc_states_129 = states); | 
 |                                                     (BgL_sc_statesza2_128za2 = BgL_sc_statesza2_27za2); | 
 |                                                     (prev = (sc_conf_131-(1))); | 
 |                                                     if (((sc_conf_131>=BgL_sc_nbzd2nts_24zd2)&&((sc_steps_25[prev])>=(0)))) | 
 |                                                         { | 
 |                                                             sc_loop1_127 = function(l) { | 
 |                                                                 var k; | 
 |                                                                 var ender_set; | 
 |                                                                 var state; | 
 |                                                                 var ender; | 
 |                                                                 var l; | 
 |                                                                 while (true) { | 
 |                                                                     if ((l instanceof sc_Pair)) | 
 |                                                                         { | 
 |                                                                             (ender = (l.car)); | 
 |                                                                             (ender_set = ((state = (sc_states_129[j])), (state[(ender+(1))]))); | 
 |                                                                             if ((ender_set!== false)) | 
 |                                                                                 { | 
 |                                                                                     (k = (ender_set[(2)])); | 
 |                                                                                     while ((k>=(0))) { | 
 |                                                                                         { | 
 |                                                                                             if ((k>=i)) | 
 |                                                                                                 if (((BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, k, prev, i))!== false)) | 
 |                                                                                                     (BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, j, ender, k)); | 
 |                                                                                             (k = (ender_set[(k+(5))])); | 
 |                                                                                         } | 
 |                                                                                     } | 
 |                                                                                     return (sc_loop1_127((l.cdr))); | 
 |                                                                                 } | 
 |                                                                             else | 
 |                                                                                 (l = (l.cdr)); | 
 |                                                                         } | 
 |                                                                     else | 
 |                                                                         return undefined; | 
 |                                                                 } | 
 |                                                             }; | 
 |                                                             (sc_loop1_127((sc_enders_26[(sc_steps_25[prev])]))); | 
 |                                                         } | 
 |                                                     (sc_i_130 = (conf_set[(sc_i_130+(5))])); | 
 |                                                 } | 
 |                                             } | 
 |                                             return (loop1()); | 
 |                                         } | 
 |                                     else | 
 |                                         return undefined; | 
 |                                 } | 
 |                             }; | 
 |                             (loop1()); | 
 |                             (--i); | 
 |                         } | 
 |                     } | 
 |                     (optrOpnd = BgL_sc_statesza2_30za2); | 
 |                     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]; | 
 |                 } | 
 |             }; | 
 |         } | 
 |     }; | 
 |     BgL_parsezd2ze3parsedzf3zc2 = function(parse, nt, i, j) { | 
 |         var is_parsed; | 
 |         var states; | 
 |         var enders; | 
 |         var nts; | 
 |         return ((nts = (parse[(0)])), (enders = (parse[(2)])), (states = (parse[(7)])), (is_parsed = (parse[(8)])), (is_parsed(nt, i, j, nts, enders, states))); | 
 |     }; | 
 |     BgL_parsezd2ze3treesz31 = function(parse, nt, i, j) { | 
 |         var BgL_sc_derivzd2treesza2_132z70; | 
 |         var states; | 
 |         var toks; | 
 |         var names; | 
 |         var steps; | 
 |         var enders; | 
 |         var nts; | 
 |         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))); | 
 |     }; | 
 |     BgL_parsezd2ze3nbzd2treesze3 = function(parse, nt, i, j) { | 
 |         var BgL_sc_nbzd2derivzd2treesza2_133za2; | 
 |         var states; | 
 |         var toks; | 
 |         var steps; | 
 |         var enders; | 
 |         var nts; | 
 |         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))); | 
 |     }; | 
 |     test = function(k) { | 
 |         var x; | 
 |         var p; | 
 |         return ((p = (BgL_makezd2parserzd2(const_earley, function(l) { | 
 |             var sc_x_134; | 
 |             var tail1134; | 
 |             var L1130; | 
 |             var falseHead1133; | 
 |             { | 
 |                 (falseHead1133 = (new sc_Pair(null, null))); | 
 |                 (tail1134 = falseHead1133); | 
 |                 (L1130 = l); | 
 |                 while (!(L1130 === null)) { | 
 |                     { | 
 |                         (tail1134.cdr = (new sc_Pair(((sc_x_134 = (L1130.car)), (sc_list(sc_x_134, sc_x_134))), null))); | 
 |                         (tail1134 = (tail1134.cdr)); | 
 |                         (L1130 = (L1130.cdr)); | 
 |                     } | 
 |                 } | 
 |                 return (falseHead1133.cdr); | 
 |             } | 
 |         }))), (x = (p((sc_vector2list((sc_makeVector(k, "\u1E9Ca"))))))), (sc_length((BgL_parsezd2ze3treesz31(x, "\u1E9Cs", (0), k))))); | 
 |     }; | 
 |     BgL_earleyzd2benchmarkzd2 = function() { | 
 |         var args = null; | 
 |         for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) { | 
 |             args = sc_cons(arguments[sc_tmp], args); | 
 |         } | 
 |         var k; | 
 |         return ((k = ((args === null)?(7):(args.car))), (BgL_runzd2benchmarkzd2("earley", (1), function() { | 
 |             return (test(k)); | 
 |         }, function(result) { | 
 |             return ((sc_display(result)), (sc_newline()), result == 132); | 
 |         }))); | 
 |     }; | 
 | } | 
 |  | 
 |  | 
 | /************* END OF GENERATED CODE *************/ | 
 | // Invoke this function to run a benchmark. | 
 | // The first argument is a string identifying the benchmark. | 
 | // The second argument is the number of times to run the benchmark. | 
 | // The third argument is a function that runs the benchmark. | 
 | // The fourth argument is a unary function that warns if the result | 
 | // returned by the benchmark is incorrect. | 
 | // | 
 | // Example: | 
 | // RunBenchmark("new Array()", | 
 | //              1, | 
 | //              function () { new Array(1000000); } | 
 | //              function (v) { | 
 | //                return (v instanceof Array) && (v.length == 1000000); | 
 | //              }); | 
 |  | 
 | SC_DEFAULT_OUT = new sc_GenericOutputPort(function(s) {}); | 
 | SC_ERROR_OUT = SC_DEFAULT_OUT; | 
 |  | 
 | function RunBenchmark(name, count, run, warn) { | 
 |   for (var n = 0; n < count; ++n) { | 
 |     result = run(); | 
 |     if (!warn(result)) { | 
 |       throw new Error("Earley or Boyer did incorrect number of rewrites"); | 
 |     } | 
 |   } | 
 | } | 
 |  | 
 | var BgL_runzd2benchmarkzd2 = RunBenchmark; |