The Tor Browser: comparison js/src/v8/earley-boyer.js

comparison: js/src/v8/earley-boyer.js

js/src/v8/earley-boyer.js

changeset 0: 6474c204b198

equal deleted inserted replaced

--1:000000000000
+:5fff1d096c19
+// 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, "&amp;");
+	tmp = tmp.replace(/</g, "&lt;");
+	tmp = tmp.replace(/>/g, "&gt;");
+	tmp = tmp.replace(/ /g, "&nbsp;");
+	tmp = tmp.replace(/\n/g, "<br />");
+	tmp = tmp.replace(/\t/g, "&nbsp;&nbsp;&nbsp;&nbsp");
+	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 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sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair((new sc_Pair("\u1E9Ccdr",(new sc_Pair((new sc_Pair("\u1E9Cgopher",(new sc_Pair("\u1E9Cx",null)))),null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Clistp",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Ccdr",(new sc_Pair((new sc_Pair("\u1E9Cflatten",(new sc_Pair("\u1E9Cx",null)))),null)))),(new sc_Pair((new sc_Pair("\u1E9Ccons",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cquotient",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cy",null)))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair((new sc_Pair("\u1E9Cset",(new sc_Pair("\u1E9Ci",(new sc_Pair("\u1E9Cval",(new sc_Pair("\u1E9Cmem",null)))))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Ceqp",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Ci",null)))))),(new sc_Pair("\u1E9Cval",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Cmem",null)))))),null)))))))),null))))))));
+(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;