// This file is automatically generated by scheme2js, except for the
// benchmark harness code at the beginning and end of the file.
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/************* GENERATED FILE - DO NOT EDIT *************/
/*
* To use write/prints/... the default-output port has to be set first.
* Simply setting SC_DEFAULT_OUT and SC_ERROR_OUT to the desired values
* should do the trick.
* In the following example the std-out and error-port are redirected to
* a DIV.
function initRuntime() {
function escapeHTML(s) {
var tmp = s;
tmp = tmp.replace(/&/g, "&");
tmp = tmp.replace(/</g, "<");
tmp = tmp.replace(/>/g, ">");
tmp = tmp.replace(/ /g, " ");
tmp = tmp.replace(/\n/g, "<br />");
tmp = tmp.replace(/\t/g, "  ");
return tmp;
}
document.write("<div id='stdout'></div>");
SC_DEFAULT_OUT = new sc_GenericOutputPort(
function(s) {
var stdout = document.getElementById('stdout');
stdout.innerHTML = stdout.innerHTML + escapeHTML(s);
});
SC_ERROR_OUT = SC_DEFAULT_OUT;
}
*/
function sc_print_debug() {
sc_print.apply(null, arguments);
}
/*** META ((export *js*)) */
var sc_JS_GLOBALS = this;
var __sc_LINE=-1;
var __sc_FILE="";
/*** META ((export #t)) */
function sc_alert() {
var len = arguments.length;
var s = "";
var i;
for( i = 0; i < len; i++ ) {
s += sc_toDisplayString(arguments[ i ]);
}
return alert( s );
}
/*** META ((export #t)) */
function sc_typeof( x ) {
return typeof x;
}
/*** META ((export #t)) */
function sc_error() {
var a = [sc_jsstring2symbol("*error*")];
for (var i = 0; i < arguments.length; i++) {
a[i+1] = arguments[i];
}
throw a;
}
/*** META ((export #t)
(peephole (prefix "throw ")))
*/
function sc_raise(obj) {
throw obj;
}
/*** META ((export with-handler-lambda)) */
function sc_withHandlerLambda(handler, body) {
try {
return body();
} catch(e) {
if (!e._internalException)
return handler(e);
else
throw e;
}
}
var sc_properties = new Object();
/*** META ((export #t)) */
function sc_putpropBang(sym, key, val) {
var ht = sc_properties[sym];
if (!ht) {
ht = new Object();
sc_properties[sym] = ht;
}
ht[key] = val;
}
/*** META ((export #t)) */
function sc_getprop(sym, key) {
var ht = sc_properties[sym];
if (ht) {
if (key in ht)
return ht[key];
else
return false;
} else
return false;
}
/*** META ((export #t)) */
function sc_rempropBang(sym, key) {
var ht = sc_properties[sym];
if (ht)
delete ht[key];
}
/*** META ((export #t)) */
function sc_any2String(o) {
return jsstring2string(sc_toDisplayString(o));
}
/*** META ((export #t)
(peephole (infix 2 2 "==="))
(type bool))
*/
function sc_isEqv(o1, o2) {
return (o1 === o2);
}
/*** META ((export #t)
(peephole (infix 2 2 "==="))
(type bool))
*/
function sc_isEq(o1, o2) {
return (o1 === o2);
}
/*** META ((export #t)
(type bool))
*/
function sc_isNumber(n) {
return (typeof n === "number");
}
/*** META ((export #t)
(type bool))
*/
function sc_isComplex(n) {
return sc_isNumber(n);
}
/*** META ((export #t)
(type bool))
*/
function sc_isReal(n) {
return sc_isNumber(n);
}
/*** META ((export #t)
(type bool))
*/
function sc_isRational(n) {
return sc_isReal(n);
}
/*** META ((export #t)
(type bool))
*/
function sc_isInteger(n) {
return (parseInt(n) === n);
}
/*** META ((export #t)
(type bool)
(peephole (postfix ", false")))
*/
// we don't have exact numbers...
function sc_isExact(n) {
return false;
}
/*** META ((export #t)
(peephole (postfix ", true"))
(type bool))
*/
function sc_isInexact(n) {
return true;
}
/*** META ((export = =fx =fl)
(type bool)
(peephole (infix 2 2 "===")))
*/
function sc_equal(x) {
for (var i = 1; i < arguments.length; i++)
if (x !== arguments[i])
return false;
return true;
}
/*** META ((export < <fx <fl)
(type bool)
(peephole (infix 2 2 "<")))
*/
function sc_less(x) {
for (var i = 1; i < arguments.length; i++) {
if (x >= arguments[i])
return false;
x = arguments[i];
}
return true;
}
/*** META ((export > >fx >fl)
(type bool)
(peephole (infix 2 2 ">")))
*/
function sc_greater(x, y) {
for (var i = 1; i < arguments.length; i++) {
if (x <= arguments[i])
return false;
x = arguments[i];
}
return true;
}
/*** META ((export <= <=fx <=fl)
(type bool)
(peephole (infix 2 2 "<=")))
*/
function sc_lessEqual(x, y) {
for (var i = 1; i < arguments.length; i++) {
if (x > arguments[i])
return false;
x = arguments[i];
}
return true;
}
/*** META ((export >= >=fl >=fx)
(type bool)
(peephole (infix 2 2 ">=")))
*/
function sc_greaterEqual(x, y) {
for (var i = 1; i < arguments.length; i++) {
if (x < arguments[i])
return false;
x = arguments[i];
}
return true;
}
/*** META ((export #t)
(type bool)
(peephole (postfix "=== 0")))
*/
function sc_isZero(x) {
return (x === 0);
}
/*** META ((export #t)
(type bool)
(peephole (postfix "> 0")))
*/
function sc_isPositive(x) {
return (x > 0);
}
/*** META ((export #t)
(type bool)
(peephole (postfix "< 0")))
*/
function sc_isNegative(x) {
return (x < 0);
}
/*** META ((export #t)
(type bool)
(peephole (postfix "%2===1")))
*/
function sc_isOdd(x) {
return (x % 2 === 1);
}
/*** META ((export #t)
(type bool)
(peephole (postfix "%2===0")))
*/
function sc_isEven(x) {
return (x % 2 === 0);
}
/*** META ((export #t)) */
var sc_max = Math.max;
/*** META ((export #t)) */
var sc_min = Math.min;
/*** META ((export + +fx +fl)
(peephole (infix 0 #f "+" "0")))
*/
function sc_plus() {
var sum = 0;
for (var i = 0; i < arguments.length; i++)
sum += arguments[i];
return sum;
}
/*** META ((export * *fx *fl)
(peephole (infix 0 #f "*" "1")))
*/
function sc_multi() {
var product = 1;
for (var i = 0; i < arguments.length; i++)
product *= arguments[i];
return product;
}
/*** META ((export - -fx -fl)
(peephole (minus)))
*/
function sc_minus(x) {
if (arguments.length === 1)
return -x;
else {
var res = x;
for (var i = 1; i < arguments.length; i++)
res -= arguments[i];
return res;
}
}
/*** META ((export / /fl)
(peephole (div)))
*/
function sc_div(x) {
if (arguments.length === 1)
return 1/x;
else {
var res = x;
for (var i = 1; i < arguments.length; i++)
res /= arguments[i];
return res;
}
}
/*** META ((export #t)) */
var sc_abs = Math.abs;
/*** META ((export quotient /fx)
(peephole (hole 2 "parseInt(" x "/" y ")")))
*/
function sc_quotient(x, y) {
return parseInt(x / y);
}
/*** META ((export #t)
(peephole (infix 2 2 "%")))
*/
function sc_remainder(x, y) {
return x % y;
}
/*** META ((export #t)
(peephole (modulo)))
*/
function sc_modulo(x, y) {
var remainder = x % y;
// if they don't have the same sign
if ((remainder * y) < 0)
return remainder + y;
else
return remainder;
}
function sc_euclid_gcd(a, b) {
var temp;
if (a === 0) return b;
if (b === 0) return a;
if (a < 0) {a = -a;};
if (b < 0) {b = -b;};
if (b > a) {temp = a; a = b; b = temp;};
while (true) {
a %= b;
if(a === 0) {return b;};
b %= a;
if(b === 0) {return a;};
};
return b;
}
/*** META ((export #t)) */
function sc_gcd() {
var gcd = 0;
for (var i = 0; i < arguments.length; i++)
gcd = sc_euclid_gcd(gcd, arguments[i]);
return gcd;
}
/*** META ((export #t)) */
function sc_lcm() {
var lcm = 1;
for (var i = 0; i < arguments.length; i++) {
var f = Math.round(arguments[i] / sc_euclid_gcd(arguments[i], lcm));
lcm *= Math.abs(f);
}
return lcm;
}
// LIMITATION: numerator and denominator don't make sense in floating point world.
//var SC_MAX_DECIMALS = 1000000
//
// function sc_numerator(x) {
// var rounded = Math.round(x * SC_MAX_DECIMALS);
// return Math.round(rounded / sc_euclid_gcd(rounded, SC_MAX_DECIMALS));
// }
// function sc_denominator(x) {
// var rounded = Math.round(x * SC_MAX_DECIMALS);
// return Math.round(SC_MAX_DECIMALS / sc_euclid_gcd(rounded, SC_MAX_DECIMALS));
// }
/*** META ((export #t)) */
var sc_floor = Math.floor;
/*** META ((export #t)) */
var sc_ceiling = Math.ceil;
/*** META ((export #t)) */
var sc_truncate = parseInt;
/*** META ((export #t)) */
var sc_round = Math.round;
// LIMITATION: sc_rationalize doesn't make sense in a floating point world.
/*** META ((export #t)) */
var sc_exp = Math.exp;
/*** META ((export #t)) */
var sc_log = Math.log;
/*** META ((export #t)) */
var sc_sin = Math.sin;
/*** META ((export #t)) */
var sc_cos = Math.cos;
/*** META ((export #t)) */
var sc_tan = Math.tan;
/*** META ((export #t)) */
var sc_asin = Math.asin;
/*** META ((export #t)) */
var sc_acos = Math.acos;
/*** META ((export #t)) */
var sc_atan = Math.atan;
/*** META ((export #t)) */
var sc_sqrt = Math.sqrt;
/*** META ((export #t)) */
var sc_expt = Math.pow;
// LIMITATION: we don't have complex numbers.
// LIMITATION: the following functions are hence not implemented.
// LIMITATION: make-rectangular, make-polar, real-part, imag-part, magnitude, angle
// LIMITATION: 2 argument atan
/*** META ((export #t)
(peephole (id)))
*/
function sc_exact2inexact(x) {
return x;
}
/*** META ((export #t)
(peephole (id)))
*/
function sc_inexact2exact(x) {
return x;
}
function sc_number2jsstring(x, radix) {
if (radix)
return x.toString(radix);
else
return x.toString();
}
function sc_jsstring2number(s, radix) {
if (s === "") return false;
if (radix) {
var t = parseInt(s, radix);
if (!t && t !== 0) return false;
// verify that each char is in range. (parseInt ignores leading
// white and trailing chars)
var allowedChars = "01234567890abcdefghijklmnopqrstuvwxyz".substring(0, radix+1);
if ((new RegExp("^["+allowedChars+"]*$", "i")).test(s))
return t;
else return false;
} else {
var t = +s; // does not ignore trailing chars.
if (!t && t !== 0) return false;
// simply verify that first char is not whitespace.
var c = s.charAt(0);
// if +c is 0, but the char is not "0", then we have a whitespace.
if (+c === 0 && c !== "0") return false;
return t;
}
}
/*** META ((export #t)
(type bool)
(peephole (not)))
*/
function sc_not(b) {
return b === false;
}
/*** META ((export #t)
(type bool))
*/
function sc_isBoolean(b) {
return (b === true) || (b === false);
}
function sc_Pair(car, cdr) {
this.car = car;
this.cdr = cdr;
}
sc_Pair.prototype.toString = function() {
return sc_toDisplayString(this);
};
sc_Pair.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) {
var current = this;
var res = "(";
while(true) {
res += writeOrDisplay(current.car);
if (sc_isPair(current.cdr)) {
res += " ";
current = current.cdr;
} else if (current.cdr !== null) {
res += " . " + writeOrDisplay(current.cdr);
break;
} else // current.cdr == null
break;
}
res += ")";
return res;
};
sc_Pair.prototype.sc_toDisplayString = function() {
return this.sc_toWriteOrDisplayString(sc_toDisplayString);
};
sc_Pair.prototype.sc_toWriteString = function() {
return this.sc_toWriteOrDisplayString(sc_toWriteString);
};
// sc_Pair.prototype.sc_toWriteCircleString in IO.js
/*** META ((export #t)
(type bool)
(peephole (postfix " instanceof sc_Pair")))
*/
function sc_isPair(p) {
return (p instanceof sc_Pair);
}
function sc_isPairEqual(p1, p2, comp) {
return (comp(p1.car, p2.car) && comp(p1.cdr, p2.cdr));
}
/*** META ((export #t)
(peephole (hole 2 "new sc_Pair(" car ", " cdr ")")))
*/
function sc_cons(car, cdr) {
return new sc_Pair(car, cdr);
}
/*** META ((export cons*)) */
function sc_consStar() {
var res = arguments[arguments.length - 1];
for (var i = arguments.length-2; i >= 0; i--)
res = new sc_Pair(arguments[i], res);
return res;
}
/*** META ((export #t)
(peephole (postfix ".car")))
*/
function sc_car(p) {
return p.car;
}
/*** META ((export #t)
(peephole (postfix ".cdr")))
*/
function sc_cdr(p) {
return p.cdr;
}
/*** META ((export #t)
(peephole (hole 2 p ".car = " val)))
*/
function sc_setCarBang(p, val) {
p.car = val;
}
/*** META ((export #t)
(peephole (hole 2 p ".cdr = " val)))
*/
function sc_setCdrBang(p, val) {
p.cdr = val;
}
/*** META ((export #t)
(peephole (postfix ".car.car")))
*/
function sc_caar(p) { return p.car.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.car")))
*/
function sc_cadr(p) { return p.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".car.cdr")))
*/
function sc_cdar(p) { return p.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr")))
*/
function sc_cddr(p) { return p.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.car.car")))
*/
function sc_caaar(p) { return p.car.car.car; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.car")))
*/
function sc_cadar(p) { return p.car.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.car")))
*/
function sc_caadr(p) { return p.cdr.car.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.car")))
*/
function sc_caddr(p) { return p.cdr.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".car.car.cdr")))
*/
function sc_cdaar(p) { return p.car.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.cdr")))
*/
function sc_cdadr(p) { return p.cdr.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.cdr")))
*/
function sc_cddar(p) { return p.car.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.cdr")))
*/
function sc_cdddr(p) { return p.cdr.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.car.car.car")))
*/
function sc_caaaar(p) { return p.car.car.car.car; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.car.car")))
*/
function sc_caadar(p) { return p.car.cdr.car.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.car.car")))
*/
function sc_caaadr(p) { return p.cdr.car.car.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.car.car")))
*/
function sc_caaddr(p) { return p.cdr.cdr.car.car; }
/*** META ((export #t)
(peephole (postfix ".car.car.car.cdr")))
*/
function sc_cdaaar(p) { return p.car.car.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.car.cdr")))
*/
function sc_cdadar(p) { return p.car.cdr.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.car.cdr")))
*/
function sc_cdaadr(p) { return p.cdr.car.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.car.cdr")))
*/
function sc_cdaddr(p) { return p.cdr.cdr.car.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.car.cdr.car")))
*/
function sc_cadaar(p) { return p.car.car.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.cdr.car")))
*/
function sc_caddar(p) { return p.car.cdr.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.cdr.car")))
*/
function sc_cadadr(p) { return p.cdr.car.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.cdr.car")))
*/
function sc_cadddr(p) { return p.cdr.cdr.cdr.car; }
/*** META ((export #t)
(peephole (postfix ".car.car.cdr.cdr")))
*/
function sc_cddaar(p) { return p.car.car.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".car.cdr.cdr.cdr")))
*/
function sc_cdddar(p) { return p.car.cdr.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.car.cdr.cdr")))
*/
function sc_cddadr(p) { return p.cdr.car.cdr.cdr; }
/*** META ((export #t)
(peephole (postfix ".cdr.cdr.cdr.cdr")))
*/
function sc_cddddr(p) { return p.cdr.cdr.cdr.cdr; }
/*** META ((export #t)) */
function sc_lastPair(l) {
if (!sc_isPair(l)) sc_error("sc_lastPair: pair expected");
var res = l;
var cdr = l.cdr;
while (sc_isPair(cdr)) {
res = cdr;
cdr = res.cdr;
}
return res;
}
/*** META ((export #t)
(type bool)
(peephole (postfix " === null")))
*/
function sc_isNull(o) {
return (o === null);
}
/*** META ((export #t)
(type bool))
*/
function sc_isList(o) {
var rabbit;
var turtle;
var rabbit = o;
var turtle = o;
while (true) {
if (rabbit === null ||
(rabbit instanceof sc_Pair && rabbit.cdr === null))
return true; // end of list
else if ((rabbit instanceof sc_Pair) &&
(rabbit.cdr instanceof sc_Pair)) {
rabbit = rabbit.cdr.cdr;
turtle = turtle.cdr;
if (rabbit === turtle) return false; // cycle
} else
return false; // not pair
}
}
/*** META ((export #t)) */
function sc_list() {
var res = null;
var a = arguments;
for (var i = a.length-1; i >= 0; i--)
res = new sc_Pair(a[i], res);
return res;
}
/*** META ((export #t)) */
function sc_iota(num, init) {
var res = null;
if (!init) init = 0;
for (var i = num - 1; i >= 0; i--)
res = new sc_Pair(i + init, res);
return res;
}
/*** META ((export #t)) */
function sc_makeList(nbEls, fill) {
var res = null;
for (var i = 0; i < nbEls; i++)
res = new sc_Pair(fill, res);
return res;
}
/*** META ((export #t)) */
function sc_length(l) {
var res = 0;
while (l !== null) {
res++;
l = l.cdr;
}
return res;
}
/*** META ((export #t)) */
function sc_remq(o, l) {
var dummy = { cdr : null };
var tail = dummy;
while (l !== null) {
if (l.car !== o) {
tail.cdr = sc_cons(l.car, null);
tail = tail.cdr;
}
l = l.cdr;
}
return dummy.cdr;
}
/*** META ((export #t)) */
function sc_remqBang(o, l) {
var dummy = { cdr : null };
var tail = dummy;
var needsAssig = true;
while (l !== null) {
if (l.car === o) {
needsAssig = true;
} else {
if (needsAssig) {
tail.cdr = l;
needsAssig = false;
}
tail = l;
}
l = l.cdr;
}
tail.cdr = null;
return dummy.cdr;
}
/*** META ((export #t)) */
function sc_delete(o, l) {
var dummy = { cdr : null };
var tail = dummy;
while (l !== null) {
if (!sc_isEqual(l.car, o)) {
tail.cdr = sc_cons(l.car, null);
tail = tail.cdr;
}
l = l.cdr;
}
return dummy.cdr;
}
/*** META ((export #t)) */
function sc_deleteBang(o, l) {
var dummy = { cdr : null };
var tail = dummy;
var needsAssig = true;
while (l !== null) {
if (sc_isEqual(l.car, o)) {
needsAssig = true;
} else {
if (needsAssig) {
tail.cdr = l;
needsAssig = false;
}
tail = l;
}
l = l.cdr;
}
tail.cdr = null;
return dummy.cdr;
}
function sc_reverseAppendBang(l1, l2) {
var res = l2;
while (l1 !== null) {
var tmp = res;
res = l1;
l1 = l1.cdr;
res.cdr = tmp;
}
return res;
}
function sc_dualAppend(l1, l2) {
if (l1 === null) return l2;
if (l2 === null) return l1;
var rev = sc_reverse(l1);
return sc_reverseAppendBang(rev, l2);
}
/*** META ((export #t)) */
function sc_append() {
if (arguments.length === 0)
return null;
var res = arguments[arguments.length - 1];
for (var i = arguments.length - 2; i >= 0; i--)
res = sc_dualAppend(arguments[i], res);
return res;
}
function sc_dualAppendBang(l1, l2) {
if (l1 === null) return l2;
if (l2 === null) return l1;
var tmp = l1;
while (tmp.cdr !== null) tmp=tmp.cdr;
tmp.cdr = l2;
return l1;
}
/*** META ((export #t)) */
function sc_appendBang() {
var res = null;
for (var i = 0; i < arguments.length; i++)
res = sc_dualAppendBang(res, arguments[i]);
return res;
}
/*** META ((export #t)) */
function sc_reverse(l1) {
var res = null;
while (l1 !== null) {
res = sc_cons(l1.car, res);
l1 = l1.cdr;
}
return res;
}
/*** META ((export #t)) */
function sc_reverseBang(l) {
return sc_reverseAppendBang(l, null);
}
/*** META ((export #t)) */
function sc_listTail(l, k) {
var res = l;
for (var i = 0; i < k; i++) {
res = res.cdr;
}
return res;
}
/*** META ((export #t)) */
function sc_listRef(l, k) {
return sc_listTail(l, k).car;
}
/* // unoptimized generic versions
function sc_memX(o, l, comp) {
while (l != null) {
if (comp(l.car, o))
return l;
l = l.cdr;
}
return false;
}
function sc_memq(o, l) { return sc_memX(o, l, sc_isEq); }
function sc_memv(o, l) { return sc_memX(o, l, sc_isEqv); }
function sc_member(o, l) { return sc_memX(o, l, sc_isEqual); }
*/
/* optimized versions */
/*** META ((export #t)) */
function sc_memq(o, l) {
while (l !== null) {
if (l.car === o)
return l;
l = l.cdr;
}
return false;
}
/*** META ((export #t)) */
function sc_memv(o, l) {
while (l !== null) {
if (l.car === o)
return l;
l = l.cdr;
}
return false;
}
/*** META ((export #t)) */
function sc_member(o, l) {
while (l !== null) {
if (sc_isEqual(l.car,o))
return l;
l = l.cdr;
}
return false;
}
/* // generic unoptimized versions
function sc_assX(o, al, comp) {
while (al != null) {
if (comp(al.car.car, o))
return al.car;
al = al.cdr;
}
return false;
}
function sc_assq(o, al) { return sc_assX(o, al, sc_isEq); }
function sc_assv(o, al) { return sc_assX(o, al, sc_isEqv); }
function sc_assoc(o, al) { return sc_assX(o, al, sc_isEqual); }
*/
// optimized versions
/*** META ((export #t)) */
function sc_assq(o, al) {
while (al !== null) {
if (al.car.car === o)
return al.car;
al = al.cdr;
}
return false;
}
/*** META ((export #t)) */
function sc_assv(o, al) {
while (al !== null) {
if (al.car.car === o)
return al.car;
al = al.cdr;
}
return false;
}
/*** META ((export #t)) */
function sc_assoc(o, al) {
while (al !== null) {
if (sc_isEqual(al.car.car, o))
return al.car;
al = al.cdr;
}
return false;
}
/* can be used for mutable strings and characters */
function sc_isCharStringEqual(cs1, cs2) { return cs1.val === cs2.val; }
function sc_isCharStringLess(cs1, cs2) { return cs1.val < cs2.val; }
function sc_isCharStringGreater(cs1, cs2) { return cs1.val > cs2.val; }
function sc_isCharStringLessEqual(cs1, cs2) { return cs1.val <= cs2.val; }
function sc_isCharStringGreaterEqual(cs1, cs2) { return cs1.val >= cs2.val; }
function sc_isCharStringCIEqual(cs1, cs2)
{ return cs1.val.toLowerCase() === cs2.val.toLowerCase(); }
function sc_isCharStringCILess(cs1, cs2)
{ return cs1.val.toLowerCase() < cs2.val.toLowerCase(); }
function sc_isCharStringCIGreater(cs1, cs2)
{ return cs1.val.toLowerCase() > cs2.val.toLowerCase(); }
function sc_isCharStringCILessEqual(cs1, cs2)
{ return cs1.val.toLowerCase() <= cs2.val.toLowerCase(); }
function sc_isCharStringCIGreaterEqual(cs1, cs2)
{ return cs1.val.toLowerCase() >= cs2.val.toLowerCase(); }
function sc_Char(c) {
var cached = sc_Char.lazy[c];
if (cached)
return cached;
this.val = c;
sc_Char.lazy[c] = this;
// add return, so FF does not complain.
return undefined;
}
sc_Char.lazy = new Object();
// thanks to Eric
sc_Char.char2readable = {
"\000": "#\\null",
"\007": "#\\bell",
"\010": "#\\backspace",
"\011": "#\\tab",
"\012": "#\\newline",
"\014": "#\\page",
"\015": "#\\return",
"\033": "#\\escape",
"\040": "#\\space",
"\177": "#\\delete",
/* poeticless names */
"\001": "#\\soh",
"\002": "#\\stx",
"\003": "#\\etx",
"\004": "#\\eot",
"\005": "#\\enq",
"\006": "#\\ack",
"\013": "#\\vt",
"\016": "#\\so",
"\017": "#\\si",
"\020": "#\\dle",
"\021": "#\\dc1",
"\022": "#\\dc2",
"\023": "#\\dc3",
"\024": "#\\dc4",
"\025": "#\\nak",
"\026": "#\\syn",
"\027": "#\\etb",
"\030": "#\\can",
"\031": "#\\em",
"\032": "#\\sub",
"\033": "#\\esc",
"\034": "#\\fs",
"\035": "#\\gs",
"\036": "#\\rs",
"\037": "#\\us"};
sc_Char.readable2char = {
"null": "\000",
"bell": "\007",
"backspace": "\010",
"tab": "\011",
"newline": "\012",
"page": "\014",
"return": "\015",
"escape": "\033",
"space": "\040",
"delete": "\000",
"soh": "\001",
"stx": "\002",
"etx": "\003",
"eot": "\004",
"enq": "\005",
"ack": "\006",
"bel": "\007",
"bs": "\010",
"ht": "\011",
"nl": "\012",
"vt": "\013",
"np": "\014",
"cr": "\015",
"so": "\016",
"si": "\017",
"dle": "\020",
"dc1": "\021",
"dc2": "\022",
"dc3": "\023",
"dc4": "\024",
"nak": "\025",
"syn": "\026",
"etb": "\027",
"can": "\030",
"em": "\031",
"sub": "\032",
"esc": "\033",
"fs": "\034",
"gs": "\035",
"rs": "\036",
"us": "\037",
"sp": "\040",
"del": "\177"};
sc_Char.prototype.toString = function() {
return this.val;
};
// sc_toDisplayString == toString
sc_Char.prototype.sc_toWriteString = function() {
var entry = sc_Char.char2readable[this.val];
if (entry)
return entry;
else
return "#\\" + this.val;
};
/*** META ((export #t)
(type bool)
(peephole (postfix "instanceof sc_Char")))
*/
function sc_isChar(c) {
return (c instanceof sc_Char);
}
/*** META ((export char=?)
(type bool)
(peephole (hole 2 c1 ".val === " c2 ".val")))
*/
var sc_isCharEqual = sc_isCharStringEqual;
/*** META ((export char<?)
(type bool)
(peephole (hole 2 c1 ".val < " c2 ".val")))
*/
var sc_isCharLess = sc_isCharStringLess;
/*** META ((export char>?)
(type bool)
(peephole (hole 2 c1 ".val > " c2 ".val")))
*/
var sc_isCharGreater = sc_isCharStringGreater;
/*** META ((export char<=?)
(type bool)
(peephole (hole 2 c1 ".val <= " c2 ".val")))
*/
var sc_isCharLessEqual = sc_isCharStringLessEqual;
/*** META ((export char>=?)
(type bool)
(peephole (hole 2 c1 ".val >= " c2 ".val")))
*/
var sc_isCharGreaterEqual = sc_isCharStringGreaterEqual;
/*** META ((export char-ci=?)
(type bool)
(peephole (hole 2 c1 ".val.toLowerCase() === " c2 ".val.toLowerCase()")))
*/
var sc_isCharCIEqual = sc_isCharStringCIEqual;
/*** META ((export char-ci<?)
(type bool)
(peephole (hole 2 c1 ".val.toLowerCase() < " c2 ".val.toLowerCase()")))
*/
var sc_isCharCILess = sc_isCharStringCILess;
/*** META ((export char-ci>?)
(type bool)
(peephole (hole 2 c1 ".val.toLowerCase() > " c2 ".val.toLowerCase()")))
*/
var sc_isCharCIGreater = sc_isCharStringCIGreater;
/*** META ((export char-ci<=?)
(type bool)
(peephole (hole 2 c1 ".val.toLowerCase() <= " c2 ".val.toLowerCase()")))
*/
var sc_isCharCILessEqual = sc_isCharStringCILessEqual;
/*** META ((export char-ci>=?)
(type bool)
(peephole (hole 2 c1 ".val.toLowerCase() >= " c2 ".val.toLowerCase()")))
*/
var sc_isCharCIGreaterEqual = sc_isCharStringCIGreaterEqual;
var SC_NUMBER_CLASS = "0123456789";
var SC_WHITESPACE_CLASS = ' \r\n\t\f';
var SC_LOWER_CLASS = 'abcdefghijklmnopqrstuvwxyz';
var SC_UPPER_CLASS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
function sc_isCharOfClass(c, cl) { return (cl.indexOf(c) != -1); }
/*** META ((export #t)
(type bool))
*/
function sc_isCharAlphabetic(c)
{ return sc_isCharOfClass(c.val, SC_LOWER_CLASS) ||
sc_isCharOfClass(c.val, SC_UPPER_CLASS); }
/*** META ((export #t)
(type bool)
(peephole (hole 1 "SC_NUMBER_CLASS.indexOf(" c ".val) != -1")))
*/
function sc_isCharNumeric(c)
{ return sc_isCharOfClass(c.val, SC_NUMBER_CLASS); }
/*** META ((export #t)
(type bool))
*/
function sc_isCharWhitespace(c) {
var tmp = c.val;
return tmp === " " || tmp === "\r" || tmp === "\n" || tmp === "\t" || tmp === "\f";
}
/*** META ((export #t)
(type bool)
(peephole (hole 1 "SC_UPPER_CLASS.indexOf(" c ".val) != -1")))
*/
function sc_isCharUpperCase(c)
{ return sc_isCharOfClass(c.val, SC_UPPER_CLASS); }
/*** META ((export #t)
(type bool)
(peephole (hole 1 "SC_LOWER_CLASS.indexOf(" c ".val) != -1")))
*/
function sc_isCharLowerCase(c)
{ return sc_isCharOfClass(c.val, SC_LOWER_CLASS); }
/*** META ((export #t)
(peephole (postfix ".val.charCodeAt(0)")))
*/
function sc_char2integer(c)
{ return c.val.charCodeAt(0); }
/*** META ((export #t)
(peephole (hole 1 "new sc_Char(String.fromCharCode(" n "))")))
*/
function sc_integer2char(n)
{ return new sc_Char(String.fromCharCode(n)); }
/*** META ((export #t)
(peephole (hole 1 "new sc_Char(" c ".val.toUpperCase())")))
*/
function sc_charUpcase(c)
{ return new sc_Char(c.val.toUpperCase()); }
/*** META ((export #t)
(peephole (hole 1 "new sc_Char(" c ".val.toLowerCase())")))
*/
function sc_charDowncase(c)
{ return new sc_Char(c.val.toLowerCase()); }
function sc_makeJSStringOfLength(k, c) {
var fill;
if (c === undefined)
fill = " ";
else
fill = c;
var res = "";
var len = 1;
// every round doubles the size of fill.
while (k >= len) {
if (k & len)
res = res.concat(fill);
fill = fill.concat(fill);
len *= 2;
}
return res;
}
function sc_makejsString(k, c) {
var fill;
if (c)
fill = c.val;
else
fill = " ";
return sc_makeJSStringOfLength(k, fill);
}
function sc_jsstring2list(s) {
var res = null;
for (var i = s.length - 1; i >= 0; i--)
res = sc_cons(new sc_Char(s.charAt(i)), res);
return res;
}
function sc_list2jsstring(l) {
var a = new Array();
while(l !== null) {
a.push(l.car.val);
l = l.cdr;
}
return "".concat.apply("", a);
}
var sc_Vector = Array;
sc_Vector.prototype.sc_toWriteOrDisplayString = function(writeOrDisplay) {
if (this.length === 0) return "#()";
var res = "#(" + writeOrDisplay(this[0]);
for (var i = 1; i < this.length; i++)
res += " " + writeOrDisplay(this[i]);
res += ")";
return res;
};
sc_Vector.prototype.sc_toDisplayString = function() {
return this.sc_toWriteOrDisplayString(sc_toDisplayString);
};
sc_Vector.prototype.sc_toWriteString = function() {
return this.sc_toWriteOrDisplayString(sc_toWriteString);
};
/*** META ((export vector? array?)
(type bool)
(peephole (postfix " instanceof sc_Vector")))
*/
function sc_isVector(v) {
return (v instanceof sc_Vector);
}
// only applies to vectors
function sc_isVectorEqual(v1, v2, comp) {
if (v1.length !== v2.length) return false;
for (var i = 0; i < v1.length; i++)
if (!comp(v1[i], v2[i])) return false;
return true;
}
/*** META ((export make-vector make-array)) */
function sc_makeVector(size, fill) {
var a = new sc_Vector(size);
if (fill !== undefined)
sc_vectorFillBang(a, fill);
return a;
}
/*** META ((export vector array)
(peephole (vector)))
*/
function sc_vector() {
var a = new sc_Vector();
for (var i = 0; i < arguments.length; i++)
a.push(arguments[i]);
return a;
}
/*** META ((export vector-length array-length)
(peephole (postfix ".length")))
*/
function sc_vectorLength(v) {
return v.length;
}
/*** META ((export vector-ref array-ref)
(peephole (hole 2 v "[" pos "]")))
*/
function sc_vectorRef(v, pos) {
return v[pos];
}
/*** META ((export vector-set! array-set!)
(peephole (hole 3 v "[" pos "] = " val)))
*/
function sc_vectorSetBang(v, pos, val) {
v[pos] = val;
}
/*** META ((export vector->list array->list)) */
function sc_vector2list(a) {
var res = null;
for (var i = a.length-1; i >= 0; i--)
res = sc_cons(a[i], res);
return res;
}
/*** META ((export list->vector list->array)) */
function sc_list2vector(l) {
var a = new sc_Vector();
while(l !== null) {
a.push(l.car);
l = l.cdr;
}
return a;
}
/*** META ((export vector-fill! array-fill!)) */
function sc_vectorFillBang(a, fill) {
for (var i = 0; i < a.length; i++)
a[i] = fill;
}
/*** META ((export #t)) */
function sc_copyVector(a, len) {
if (len <= a.length)
return a.slice(0, len);
else {
var tmp = a.concat();
tmp.length = len;
return tmp;
}
}
/*** META ((export #t)
(peephole (hole 3 a ".slice(" start "," end ")")))
*/
function sc_vectorCopy(a, start, end) {
return a.slice(start, end);
}
/*** META ((export #t)) */
function sc_vectorCopyBang(target, tstart, source, sstart, send) {
if (!sstart) sstart = 0;
if (!send) send = source.length;
// if target == source we don't want to overwrite not yet copied elements.
if (tstart <= sstart) {
for (var i = tstart, j = sstart; j < send; i++, j++) {
target[i] = source[j];
}
} else {
var diff = send - sstart;
for (var i = tstart + diff - 1, j = send - 1;
j >= sstart;
i--, j--) {
target[i] = source[j];
}
}
return target;
}
/*** META ((export #t)
(type bool)
(peephole (hole 1 "typeof " o " === 'function'")))
*/
function sc_isProcedure(o) {
return (typeof o === "function");
}
/*** META ((export #t)) */
function sc_apply(proc) {
var args = new Array();
// first part of arguments are not in list-form.
for (var i = 1; i < arguments.length - 1; i++)
args.push(arguments[i]);
var l = arguments[arguments.length - 1];
while (l !== null) {
args.push(l.car);
l = l.cdr;
}
return proc.apply(null, args);
}
/*** META ((export #t)) */
function sc_map(proc, l1) {
if (l1 === undefined)
return null;
// else
var nbApplyArgs = arguments.length - 1;
var applyArgs = new Array(nbApplyArgs);
var revres = null;
while (l1 !== null) {
for (var i = 0; i < nbApplyArgs; i++) {
applyArgs[i] = arguments[i + 1].car;
arguments[i + 1] = arguments[i + 1].cdr;
}
revres = sc_cons(proc.apply(null, applyArgs), revres);
}
return sc_reverseAppendBang(revres, null);
}
/*** META ((export #t)) */
function sc_mapBang(proc, l1) {
if (l1 === undefined)
return null;
// else
var l1_orig = l1;
var nbApplyArgs = arguments.length - 1;
var applyArgs = new Array(nbApplyArgs);
while (l1 !== null) {
var tmp = l1;
for (var i = 0; i < nbApplyArgs; i++) {
applyArgs[i] = arguments[i + 1].car;
arguments[i + 1] = arguments[i + 1].cdr;
}
tmp.car = proc.apply(null, applyArgs);
}
return l1_orig;
}
/*** META ((export #t)) */
function sc_forEach(proc, l1) {
if (l1 === undefined)
return undefined;
// else
var nbApplyArgs = arguments.length - 1;
var applyArgs = new Array(nbApplyArgs);
while (l1 !== null) {
for (var i = 0; i < nbApplyArgs; i++) {
applyArgs[i] = arguments[i + 1].car;
arguments[i + 1] = arguments[i + 1].cdr;
}
proc.apply(null, applyArgs);
}
// add return so FF does not complain.
return undefined;
}
/*** META ((export #t)) */
function sc_filter(proc, l1) {
var dummy = { cdr : null };
var tail = dummy;
while (l1 !== null) {
if (proc(l1.car) !== false) {
tail.cdr = sc_cons(l1.car, null);
tail = tail.cdr;
}
l1 = l1.cdr;
}
return dummy.cdr;
}
/*** META ((export #t)) */
function sc_filterBang(proc, l1) {
var head = sc_cons("dummy", l1);
var it = head;
var next = l1;
while (next !== null) {
if (proc(next.car) !== false) {
it.cdr = next
it = next;
}
next = next.cdr;
}
it.cdr = null;
return head.cdr;
}
function sc_filterMap1(proc, l1) {
var revres = null;
while (l1 !== null) {
var tmp = proc(l1.car)
if (tmp !== false) revres = sc_cons(tmp, revres);
l1 = l1.cdr;
}
return sc_reverseAppendBang(revres, null);
}
function sc_filterMap2(proc, l1, l2) {
var revres = null;
while (l1 !== null) {
var tmp = proc(l1.car, l2.car);
if(tmp !== false) revres = sc_cons(tmp, revres);
l1 = l1.cdr;
l2 = l2.cdr
}
return sc_reverseAppendBang(revres, null);
}
/*** META ((export #t)) */
function sc_filterMap(proc, l1, l2, l3) {
if (l2 === undefined)
return sc_filterMap1(proc, l1);
else if (l3 === undefined)
return sc_filterMap2(proc, l1, l2);
// else
var nbApplyArgs = arguments.length - 1;
var applyArgs = new Array(nbApplyArgs);
var revres = null;
while (l1 !== null) {
for (var i = 0; i < nbApplyArgs; i++) {
applyArgs[i] = arguments[i + 1].car;
arguments[i + 1] = arguments[i + 1].cdr;
}
var tmp = proc.apply(null, applyArgs);
if(tmp !== false) revres = sc_cons(tmp, revres);
}
return sc_reverseAppendBang(revres, null);
}
/*** META ((export #t)) */
function sc_any(proc, l) {
var revres = null;
while (l !== null) {
var tmp = proc(l.car);
if(tmp !== false) return tmp;
l = l.cdr;
}
return false;
}
/*** META ((export any?)
(peephole (hole 2 "sc_any(" proc "," l ") !== false")))
*/
function sc_anyPred(proc, l) {
return sc_any(proc, l)!== false;
}
/*** META ((export #t)) */
function sc_every(proc, l) {
var revres = null;
var tmp = true;
while (l !== null) {
tmp = proc(l.car);
if (tmp === false) return false;
l = l.cdr;
}
return tmp;
}
/*** META ((export every?)
(peephole (hole 2 "sc_every(" proc "," l ") !== false")))
*/
function sc_everyPred(proc, l) {
var tmp = sc_every(proc, l);
if (tmp !== false) return true;
return false;
}
/*** META ((export #t)
(peephole (postfix "()")))
*/
function sc_force(o) {
return o();
}
/*** META ((export #t)) */
function sc_makePromise(proc) {
var isResultReady = false;
var result = undefined;
return function() {
if (!isResultReady) {
var tmp = proc();
if (!isResultReady) {
isResultReady = true;
result = tmp;
}
}
return result;
};
}
function sc_Values(values) {
this.values = values;
}
/*** META ((export #t)
(peephole (values)))
*/
function sc_values() {
if (arguments.length === 1)
return arguments[0];
else
return new sc_Values(arguments);
}
/*** META ((export #t)) */
function sc_callWithValues(producer, consumer) {
var produced = producer();
if (produced instanceof sc_Values)
return consumer.apply(null, produced.values);
else
return consumer(produced);
}
/*** META ((export #t)) */
function sc_dynamicWind(before, thunk, after) {
before();
try {
var res = thunk();
return res;
} finally {
after();
}
}
// TODO: eval/scheme-report-environment/null-environment/interaction-environment
// LIMITATION: 'load' doesn't exist without files.
// LIMITATION: transcript-on/transcript-off doesn't exist without files.
function sc_Struct(name) {
this.name = name;
}
sc_Struct.prototype.sc_toDisplayString = function() {
return "#<struct" + sc_hash(this) + ">";
};
sc_Struct.prototype.sc_toWriteString = sc_Struct.prototype.sc_toDisplayString;
/*** META ((export #t)
(peephole (hole 1 "new sc_Struct(" name ")")))
*/
function sc_makeStruct(name) {
return new sc_Struct(name);
}
/*** META ((export #t)
(type bool)
(peephole (postfix " instanceof sc_Struct")))
*/
function sc_isStruct(o) {
return (o instanceof sc_Struct);
}
/*** META ((export #t)
(type bool)
(peephole (hole 2 "(" 1 " instanceof sc_Struct) && ( " 1 ".name === " 0 ")")))
*/
function sc_isStructNamed(name, s) {
return ((s instanceof sc_Struct) && (s.name === name));
}
/*** META ((export struct-field)
(peephole (hole 3 0 "[" 2 "]")))
*/
function sc_getStructField(s, name, field) {
return s[field];
}
/*** META ((export struct-field-set!)
(peephole (hole 4 0 "[" 2 "] = " 3)))
*/
function sc_setStructFieldBang(s, name, field, val) {
s[field] = val;
}
/*** META ((export #t)
(peephole (prefix "~")))
*/
function sc_bitNot(x) {
return ~x;
}
/*** META ((export #t)
(peephole (infix 2 2 "&")))
*/
function sc_bitAnd(x, y) {
return x & y;
}
/*** META ((export #t)
(peephole (infix 2 2 "|")))
*/
function sc_bitOr(x, y) {
return x | y;
}
/*** META ((export #t)
(peephole (infix 2 2 "^")))
*/
function sc_bitXor(x, y) {
return x ^ y;
}
/*** META ((export #t)
(peephole (infix 2 2 "<<")))
*/
function sc_bitLsh(x, y) {
return x << y;
}
/*** META ((export #t)
(peephole (infix 2 2 ">>")))
*/
function sc_bitRsh(x, y) {
return x >> y;
}
/*** META ((export #t)
(peephole (infix 2 2 ">>>")))
*/
function sc_bitUrsh(x, y) {
return x >>> y;
}
/*** META ((export js-field js-property)
(peephole (hole 2 o "[" field "]")))
*/
function sc_jsField(o, field) {
return o[field];
}
/*** META ((export js-field-set! js-property-set!)
(peephole (hole 3 o "[" field "] = " val)))
*/
function sc_setJsFieldBang(o, field, val) {
return o[field] = val;
}
/*** META ((export js-field-delete! js-property-delete!)
(peephole (hole 2 "delete" o "[" field "]")))
*/
function sc_deleteJsFieldBang(o, field) {
delete o[field];
}
/*** META ((export #t)
(peephole (jsCall)))
*/
function sc_jsCall(o, fun) {
var args = new Array();
for (var i = 2; i < arguments.length; i++)
args[i-2] = arguments[i];
return fun.apply(o, args);
}
/*** META ((export #t)
(peephole (jsMethodCall)))
*/
function sc_jsMethodCall(o, field) {
var args = new Array();
for (var i = 2; i < arguments.length; i++)
args[i-2] = arguments[i];
return o[field].apply(o, args);
}
/*** META ((export new js-new)
(peephole (jsNew)))
*/
function sc_jsNew(c) {
var evalStr = "new c(";
evalStr +=arguments.length > 1? "arguments[1]": "";
for (var i = 2; i < arguments.length; i++)
evalStr += ", arguments[" + i + "]";
evalStr +=")";
return eval(evalStr);
}
// ======================== RegExp ====================
/*** META ((export #t)) */
function sc_pregexp(re) {
return new RegExp(sc_string2jsstring(re));
}
/*** META ((export #t)) */
function sc_pregexpMatch(re, s) {
var reg = (re instanceof RegExp) ? re : sc_pregexp(re);
var tmp = reg.exec(sc_string2jsstring(s));
if (tmp == null) return false;
var res = null;
for (var i = tmp.length-1; i >= 0; i--) {
if (tmp[i] !== null) {
res = sc_cons(sc_jsstring2string(tmp[i]), res);
} else {
res = sc_cons(false, res);
}
}
return res;
}
/*** META ((export #t)) */
function sc_pregexpReplace(re, s1, s2) {
var reg;
var jss1 = sc_string2jsstring(s1);
var jss2 = sc_string2jsstring(s2);
if (re instanceof RegExp) {
if (re.global)
reg = re;
else
reg = new RegExp(re.source);
} else {
reg = new RegExp(sc_string2jsstring(re));
}
return jss1.replace(reg, jss2);
}
/*** META ((export pregexp-replace*)) */
function sc_pregexpReplaceAll(re, s1, s2) {
var reg;
var jss1 = sc_string2jsstring(s1);
var jss2 = sc_string2jsstring(s2);
if (re instanceof RegExp) {
if (re.global)
reg = re;
else
reg = new RegExp(re.source, "g");
} else {
reg = new RegExp(sc_string2jsstring(re), "g");
}
return jss1.replace(reg, jss2);
}
/*** META ((export #t)) */
function sc_pregexpSplit(re, s) {
var reg = ((re instanceof RegExp) ?
re :
new RegExp(sc_string2jsstring(re)));
var jss = sc_string2jsstring(s);
var tmp = jss.split(reg);
if (tmp == null) return false;
return sc_vector2list(tmp);
}
/* =========================================================================== */
/* Other library stuff */
/* =========================================================================== */
/*** META ((export #t)
(peephole (hole 1 "Math.floor(Math.random()*" 'n ")")))
*/
function sc_random(n) {
return Math.floor(Math.random()*n);
}
/*** META ((export current-date)
(peephole (hole 0 "new Date()")))
*/
function sc_currentDate() {
return new Date();
}
function sc_Hashtable() {
}
sc_Hashtable.prototype.toString = function() {
return "#{%hashtable}";
};
// sc_toWriteString == sc_toDisplayString == toString
function sc_HashtableElement(key, val) {
this.key = key;
this.val = val;
}
/*** META ((export #t)
(peephole (hole 0 "new sc_Hashtable()")))
*/
function sc_makeHashtable() {
return new sc_Hashtable();
}
/*** META ((export #t)) */
function sc_hashtablePutBang(ht, key, val) {
var hash = sc_hash(key);
ht[hash] = new sc_HashtableElement(key, val);
}
/*** META ((export #t)) */
function sc_hashtableGet(ht, key) {
var hash = sc_hash(key);
if (hash in ht)
return ht[hash].val;
else
return false;
}
/*** META ((export #t)) */
function sc_hashtableForEach(ht, f) {
for (var v in ht) {
if (ht[v] instanceof sc_HashtableElement)
f(ht[v].key, ht[v].val);
}
}
/*** META ((export hashtable-contains?)
(peephole (hole 2 "sc_hash(" 1 ") in " 0)))
*/
function sc_hashtableContains(ht, key) {
var hash = sc_hash(key);
if (hash in ht)
return true;
else
return false;
}
var SC_HASH_COUNTER = 0;
function sc_hash(o) {
if (o === null)
return "null";
else if (o === undefined)
return "undefined";
else if (o === true)
return "true";
else if (o === false)
return "false";
else if (typeof o === "number")
return "num-" + o;
else if (typeof o === "string")
return "jsstr-" + o;
else if (o.sc_getHash)
return o.sc_getHash();
else
return sc_counterHash.call(o);
}
function sc_counterHash() {
if (!this.sc_hash) {
this.sc_hash = "hash-" + SC_HASH_COUNTER;
SC_HASH_COUNTER++;
}
return this.sc_hash;
}
function sc_Trampoline(args, maxTailCalls) {
this['__trampoline return__'] = true;
this.args = args;
this.MAX_TAIL_CALLs = maxTailCalls;
}
// TODO: call/cc stuff
sc_Trampoline.prototype.restart = function() {
var o = this;
while (true) {
// set both globals.
SC_TAIL_OBJECT.calls = o.MAX_TAIL_CALLs-1;
var fun = o.args.callee;
var res = fun.apply(SC_TAIL_OBJECT, o.args);
if (res instanceof sc_Trampoline)
o = res;
else
return res;
}
}
/*** META ((export bind-exit-lambda)) */
function sc_bindExitLambda(proc) {
var escape_obj = new sc_BindExitException();
var escape = function(res) {
escape_obj.res = res;
throw escape_obj;
};
try {
return proc(escape);
} catch(e) {
if (e === escape_obj) {
return e.res;
}
throw e;
}
}
function sc_BindExitException() {
this._internalException = true;
}
var SC_SCM2JS_GLOBALS = new Object();
// default tail-call depth.
// normally the program should set it again. but just in case...
var SC_TAIL_OBJECT = new Object();
SC_SCM2JS_GLOBALS.TAIL_OBJECT = SC_TAIL_OBJECT;
// ======================== I/O =======================
/*------------------------------------------------------------------*/
function sc_EOF() {
}
var SC_EOF_OBJECT = new sc_EOF();
function sc_Port() {
}
/* --------------- Input ports -------------------------------------*/
function sc_InputPort() {
}
sc_InputPort.prototype = new sc_Port();
sc_InputPort.prototype.peekChar = function() {
if (!("peeked" in this))
this.peeked = this.getNextChar();
return this.peeked;
}
sc_InputPort.prototype.readChar = function() {
var tmp = this.peekChar();
delete this.peeked;
return tmp;
}
sc_InputPort.prototype.isCharReady = function() {
return true;
}
sc_InputPort.prototype.close = function() {
// do nothing
}
/* .............. String port ..........................*/
function sc_ErrorInputPort() {
};
sc_ErrorInputPort.prototype = new sc_InputPort();
sc_ErrorInputPort.prototype.getNextChar = function() {
throw "can't read from error-port.";
};
sc_ErrorInputPort.prototype.isCharReady = function() {
return false;
};
/* .............. String port ..........................*/
function sc_StringInputPort(jsStr) {
// we are going to do some charAts on the str.
// instead of recreating all the time a String-object, we
// create one in the beginning. (not sure, if this is really an optim)
this.str = new String(jsStr);
this.pos = 0;
}
sc_StringInputPort.prototype = new sc_InputPort();
sc_StringInputPort.prototype.getNextChar = function() {
if (this.pos >= this.str.length)
return SC_EOF_OBJECT;
return this.str.charAt(this.pos++);
};
/* ------------- Read and other lib-funs -------------------------------*/
function sc_Token(type, val, pos) {
this.type = type;
this.val = val;
this.pos = pos;
}
sc_Token.EOF = 0/*EOF*/;
sc_Token.OPEN_PAR = 1/*OPEN_PAR*/;
sc_Token.CLOSE_PAR = 2/*CLOSE_PAR*/;
sc_Token.OPEN_BRACE = 3/*OPEN_BRACE*/;
sc_Token.CLOSE_BRACE = 4/*CLOSE_BRACE*/;
sc_Token.OPEN_BRACKET = 5/*OPEN_BRACKET*/;
sc_Token.CLOSE_BRACKET = 6/*CLOSE_BRACKET*/;
sc_Token.WHITESPACE = 7/*WHITESPACE*/;
sc_Token.QUOTE = 8/*QUOTE*/;
sc_Token.ID = 9/*ID*/;
sc_Token.DOT = 10/*DOT*/;
sc_Token.STRING = 11/*STRING*/;
sc_Token.NUMBER = 12/*NUMBER*/;
sc_Token.ERROR = 13/*ERROR*/;
sc_Token.VECTOR_BEGIN = 14/*VECTOR_BEGIN*/;
sc_Token.TRUE = 15/*TRUE*/;
sc_Token.FALSE = 16/*FALSE*/;
sc_Token.UNSPECIFIED = 17/*UNSPECIFIED*/;
sc_Token.REFERENCE = 18/*REFERENCE*/;
sc_Token.STORE = 19/*STORE*/;
sc_Token.CHAR = 20/*CHAR*/;
var SC_ID_CLASS = SC_LOWER_CLASS + SC_UPPER_CLASS + "!$%*+-./:<=>?@^_~";
function sc_Tokenizer(port) {
this.port = port;
}
sc_Tokenizer.prototype.peekToken = function() {
if (this.peeked)
return this.peeked;
var newToken = this.nextToken();
this.peeked = newToken;
return newToken;
};
sc_Tokenizer.prototype.readToken = function() {
var tmp = this.peekToken();
delete this.peeked;
return tmp;
};
sc_Tokenizer.prototype.nextToken = function() {
var port = this.port;
function isNumberChar(c) {
return (c >= "0" && c <= "9");
};
function isIdOrNumberChar(c) {
return SC_ID_CLASS.indexOf(c) != -1 || // ID-char
(c >= "0" && c <= "9");
}
function isWhitespace(c) {
return c === " " || c === "\r" || c === "\n" || c === "\t" || c === "\f";
};
function isWhitespaceOrEOF(c) {
return isWhitespace(c) || c === SC_EOF_OBJECT;
};
function readString() {
res = "";
while (true) {
var c = port.readChar();
switch (c) {
case '"':
return new sc_Token(11/*STRING*/, res);
case "\\":
var tmp = port.readChar();
switch (tmp) {
case '0': res += "\0"; break;
case 'a': res += "\a"; break;
case 'b': res += "\b"; break;
case 'f': res += "\f"; break;
case 'n': res += "\n"; break;
case 'r': res += "\r"; break;
case 't': res += "\t"; break;
case 'v': res += "\v"; break;
case '"': res += '"'; break;
case '\\': res += '\\'; break;
case 'x':
/* hexa-number */
var nb = 0;
while (true) {
var hexC = port.peekChar();
if (hexC >= '0' && hexC <= '9') {
port.readChar();
nb = nb * 16 + hexC.charCodeAt(0) - '0'.charCodeAt(0);
} else if (hexC >= 'a' && hexC <= 'f') {
port.readChar();
nb = nb * 16 + hexC.charCodeAt(0) - 'a'.charCodeAt(0);
} else if (hexC >= 'A' && hexC <= 'F') {
port.readChar();
nb = nb * 16 + hexC.charCodeAt(0) - 'A'.charCodeAt(0);
} else {
// next char isn't part of hex.
res += String.fromCharCode(nb);
break;
}
}
break;
default:
if (tmp === SC_EOF_OBJECT) {
return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res);
}
res += tmp;
}
break;
default:
if (c === SC_EOF_OBJECT) {
return new sc_Token(13/*ERROR*/, "unclosed string-literal" + res);
}
res += c;
}
}
};
function readIdOrNumber(firstChar) {
var res = firstChar;
while (isIdOrNumberChar(port.peekChar()))
res += port.readChar();
if (isNaN(res))
return new sc_Token(9/*ID*/, res);
else
return new sc_Token(12/*NUMBER*/, res - 0);
};
function skipWhitespaceAndComments() {
var done = false;
while (!done) {
done = true;
while (isWhitespace(port.peekChar()))
port.readChar();
if (port.peekChar() === ';') {
port.readChar();
done = false;
while (true) {
curChar = port.readChar();
if (curChar === SC_EOF_OBJECT ||
curChar === '\n')
break;
}
}
}
};
function readDot() {
if (isWhitespace(port.peekChar()))
return new sc_Token(10/*DOT*/);
else
return readIdOrNumber(".");
};
function readSharp() {
var c = port.readChar();
if (isWhitespace(c))
return new sc_Token(13/*ERROR*/, "bad #-pattern0.");
// reference
if (isNumberChar(c)) {
var nb = c - 0;
while (isNumberChar(port.peekChar()))
nb = nb*10 + (port.readChar() - 0);
switch (port.readChar()) {
case '#':
return new sc_Token(18/*REFERENCE*/, nb);
case '=':
return new sc_Token(19/*STORE*/, nb);
default:
return new sc_Token(13/*ERROR*/, "bad #-pattern1." + nb);
}
}
if (c === "(")
return new sc_Token(14/*VECTOR_BEGIN*/);
if (c === "\\") { // character
var tmp = ""
while (!isWhitespaceOrEOF(port.peekChar()))
tmp += port.readChar();
switch (tmp.length) {
case 0: // it's escaping a whitespace char:
if (sc_isEOFObject(port.peekChar))
return new sc_Token(13/*ERROR*/, "bad #-pattern2.");
else
return new sc_Token(20/*CHAR*/, port.readChar());
case 1:
return new sc_Token(20/*CHAR*/, tmp);
default:
var entry = sc_Char.readable2char[tmp.toLowerCase()];
if (entry)
return new sc_Token(20/*CHAR*/, entry);
else
return new sc_Token(13/*ERROR*/, "unknown character description: #\\" + tmp);
}
}
// some constants (#t, #f, #unspecified)
var res;
var needing;
switch (c) {
case 't': res = new sc_Token(15/*TRUE*/, true); needing = ""; break;
case 'f': res = new sc_Token(16/*FALSE*/, false); needing = ""; break;
case 'u': res = new sc_Token(17/*UNSPECIFIED*/, undefined); needing = "nspecified"; break;
default:
return new sc_Token(13/*ERROR*/, "bad #-pattern3: " + c);
}
while(true) {
c = port.peekChar();
if ((isWhitespaceOrEOF(c) || c === ')') &&
needing == "")
return res;
else if (isWhitespace(c) || needing == "")
return new sc_Token(13/*ERROR*/, "bad #-pattern4 " + c + " " + needing);
else if (needing.charAt(0) == c) {
port.readChar(); // consume
needing = needing.slice(1);
} else
return new sc_Token(13/*ERROR*/, "bad #-pattern5");
}
};
skipWhitespaceAndComments();
var curChar = port.readChar();
if (curChar === SC_EOF_OBJECT)
return new sc_Token(0/*EOF*/, curChar);
switch (curChar)
{
case " ":
case "\n":
case "\t":
return readWhitespace();
case "(":
return new sc_Token(1/*OPEN_PAR*/);
case ")":
return new sc_Token(2/*CLOSE_PAR*/);
case "{":
return new sc_Token(3/*OPEN_BRACE*/);
case "}":
return new sc_Token(4/*CLOSE_BRACE*/);
case "[":
return new sc_Token(5/*OPEN_BRACKET*/);
case "]":
return new sc_Token(6/*CLOSE_BRACKET*/);
case "'":
return new sc_Token(8/*QUOTE*/);
case "#":
return readSharp();
case ".":
return readDot();
case '"':
return readString();
default:
if (isIdOrNumberChar(curChar))
return readIdOrNumber(curChar);
throw "unexpected character: " + curChar;
}
};
function sc_Reader(tokenizer) {
this.tokenizer = tokenizer;
this.backref = new Array();
}
sc_Reader.prototype.read = function() {
function readList(listBeginType) {
function matchesPeer(open, close) {
return open === 1/*OPEN_PAR*/ && close === 2/*CLOSE_PAR*/
|| open === 3/*OPEN_BRACE*/ && close === 4/*CLOSE_BRACE*/
|| open === 5/*OPEN_BRACKET*/ && close === 6/*CLOSE_BRACKET*/;
};
var res = null;
while (true) {
var token = tokenizer.peekToken();
switch (token.type) {
case 2/*CLOSE_PAR*/:
case 4/*CLOSE_BRACE*/:
case 6/*CLOSE_BRACKET*/:
if (matchesPeer(listBeginType, token.type)) {
tokenizer.readToken(); // consume token
return sc_reverseBang(res);
} else
throw "closing par doesn't match: " + listBeginType
+ " " + listEndType;
case 0/*EOF*/:
throw "unexpected end of file";
case 10/*DOT*/:
tokenizer.readToken(); // consume token
var cdr = this.read();
var par = tokenizer.readToken();
if (!matchesPeer(listBeginType, par.type))
throw "closing par doesn't match: " + listBeginType
+ " " + par.type;
else
return sc_reverseAppendBang(res, cdr);
default:
res = sc_cons(this.read(), res);
}
}
};
function readQuote() {
return sc_cons("quote", sc_cons(this.read(), null));
};
function readVector() {
// opening-parenthesis is already consumed
var a = new Array();
while (true) {
var token = tokenizer.peekToken();
switch (token.type) {
case 2/*CLOSE_PAR*/:
tokenizer.readToken();
return a;
default:
a.push(this.read());
}
}
};
function storeRefence(nb) {
var tmp = this.read();
this.backref[nb] = tmp;
return tmp;
};
function readReference(nb) {
if (nb in this.backref)
return this.backref[nb];
else
throw "bad reference: " + nb;
};
var tokenizer = this.tokenizer;
var token = tokenizer.readToken();
// handle error
if (token.type === 13/*ERROR*/)
throw token.val;
switch (token.type) {
case 1/*OPEN_PAR*/:
case 3/*OPEN_BRACE*/:
case 5/*OPEN_BRACKET*/:
return readList.call(this, token.type);
case 8/*QUOTE*/:
return readQuote.call(this);
case 11/*STRING*/:
return sc_jsstring2string(token.val);
case 20/*CHAR*/:
return new sc_Char(token.val);
case 14/*VECTOR_BEGIN*/:
return readVector.call(this);
case 18/*REFERENCE*/:
return readReference.call(this, token.val);
case 19/*STORE*/:
return storeRefence.call(this, token.val);
case 9/*ID*/:
return sc_jsstring2symbol(token.val);
case 0/*EOF*/:
case 12/*NUMBER*/:
case 15/*TRUE*/:
case 16/*FALSE*/:
case 17/*UNSPECIFIED*/:
return token.val;
default:
throw "unexpected token " + token.type + " " + token.val;
}
};
/*** META ((export #t)) */
function sc_read(port) {
if (port === undefined) // we assume the port hasn't been given.
port = SC_DEFAULT_IN; // THREAD: shared var...
var reader = new sc_Reader(new sc_Tokenizer(port));
return reader.read();
}
/*** META ((export #t)) */
function sc_readChar(port) {
if (port === undefined) // we assume the port hasn't been given.
port = SC_DEFAULT_IN; // THREAD: shared var...
var t = port.readChar();
return t === SC_EOF_OBJECT? t: new sc_Char(t);
}
/*** META ((export #t)) */
function sc_peekChar(port) {
if (port === undefined) // we assume the port hasn't been given.
port = SC_DEFAULT_IN; // THREAD: shared var...
var t = port.peekChar();
return t === SC_EOF_OBJECT? t: new sc_Char(t);
}
/*** META ((export #t)
(type bool))
*/
function sc_isCharReady(port) {
if (port === undefined) // we assume the port hasn't been given.
port = SC_DEFAULT_IN; // THREAD: shared var...
return port.isCharReady();
}
/*** META ((export #t)
(peephole (postfix ".close()")))
*/
function sc_closeInputPort(p) {
return p.close();
}
/*** META ((export #t)
(type bool)
(peephole (postfix " instanceof sc_InputPort")))
*/
function sc_isInputPort(o) {
return (o instanceof sc_InputPort);
}
/*** META ((export eof-object?)
(type bool)
(peephole (postfix " === SC_EOF_OBJECT")))
*/
function sc_isEOFObject(o) {
return o === SC_EOF_OBJECT;
}
/*** META ((export #t)
(peephole (hole 0 "SC_DEFAULT_IN")))
*/
function sc_currentInputPort() {
return SC_DEFAULT_IN;
}
/* ------------ file operations are not supported -----------*/
/*** META ((export #t)) */
function sc_callWithInputFile(s, proc) {
throw "can't open " + s;
}
/*** META ((export #t)) */
function sc_callWithOutputFile(s, proc) {
throw "can't open " + s;
}
/*** META ((export #t)) */
function sc_withInputFromFile(s, thunk) {
throw "can't open " + s;
}
/*** META ((export #t)) */
function sc_withOutputToFile(s, thunk) {
throw "can't open " + s;
}
/*** META ((export #t)) */
function sc_openInputFile(s) {
throw "can't open " + s;
}
/*** META ((export #t)) */
function sc_openOutputFile(s) {
throw "can't open " + s;
}
/* ----------------------------------------------------------------------------*/
/*** META ((export #t)) */
function sc_basename(p) {
var i = p.lastIndexOf('/');
if(i >= 0)
return p.substring(i + 1, p.length);
else
return '';
}
/*** META ((export #t)) */
function sc_dirname(p) {
var i = p.lastIndexOf('/');
if(i >= 0)
return p.substring(0, i);
else
return '';
}
/* ----------------------------------------------------------------------------*/
/*** META ((export #t)) */
function sc_withInputFromPort(p, thunk) {
try {
var tmp = SC_DEFAULT_IN; // THREAD: shared var.
SC_DEFAULT_IN = p;
return thunk();
} finally {
SC_DEFAULT_IN = tmp;
}
}
/*** META ((export #t)) */
function sc_withInputFromString(s, thunk) {
return sc_withInputFromPort(new sc_StringInputPort(sc_string2jsstring(s)), thunk);
}
/*** META ((export #t)) */
function sc_withOutputToPort(p, thunk) {
try {
var tmp = SC_DEFAULT_OUT; // THREAD: shared var.
SC_DEFAULT_OUT = p;
return thunk();
} finally {
SC_DEFAULT_OUT = tmp;
}
}
/*** META ((export #t)) */
function sc_withOutputToString(thunk) {
var p = new sc_StringOutputPort();
sc_withOutputToPort(p, thunk);
return p.close();
}
/*** META ((export #t)) */
function sc_withOutputToProcedure(proc, thunk) {
var t = function(s) { proc(sc_jsstring2string(s)); };
return sc_withOutputToPort(new sc_GenericOutputPort(t), thunk);
}
/*** META ((export #t)
(peephole (hole 0 "new sc_StringOutputPort()")))
*/
function sc_openOutputString() {
return new sc_StringOutputPort();
}
/*** META ((export #t)) */
function sc_openInputString(str) {
return new sc_StringInputPort(sc_string2jsstring(str));
}
/* ----------------------------------------------------------------------------*/
function sc_OutputPort() {
}
sc_OutputPort.prototype = new sc_Port();
sc_OutputPort.prototype.appendJSString = function(obj) {
/* do nothing */
}
sc_OutputPort.prototype.close = function() {
/* do nothing */
}
function sc_StringOutputPort() {
this.res = "";
}
sc_StringOutputPort.prototype = new sc_OutputPort();
sc_StringOutputPort.prototype.appendJSString = function(s) {
this.res += s;
}
sc_StringOutputPort.prototype.close = function() {
return sc_jsstring2string(this.res);
}
/*** META ((export #t)) */
function sc_getOutputString(sp) {
return sc_jsstring2string(sp.res);
}
function sc_ErrorOutputPort() {
}
sc_ErrorOutputPort.prototype = new sc_OutputPort();
sc_ErrorOutputPort.prototype.appendJSString = function(s) {
throw "don't write on ErrorPort!";
}
sc_ErrorOutputPort.prototype.close = function() {
/* do nothing */
}
function sc_GenericOutputPort(appendJSString, close) {
this.appendJSString = appendJSString;
if (close)
this.close = close;
}
sc_GenericOutputPort.prototype = new sc_OutputPort();
/*** META ((export #t)
(type bool)
(peephole (postfix " instanceof sc_OutputPort")))
*/
function sc_isOutputPort(o) {
return (o instanceof sc_OutputPort);
}
/*** META ((export #t)
(peephole (postfix ".close()")))
*/
function sc_closeOutputPort(p) {
return p.close();
}
/* ------------------ write ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_write(o, p) {
if (p === undefined) // we assume not given
p = SC_DEFAULT_OUT;
p.appendJSString(sc_toWriteString(o));
}
function sc_toWriteString(o) {
if (o === null)
return "()";
else if (o === true)
return "#t";
else if (o === false)
return "#f";
else if (o === undefined)
return "#unspecified";
else if (typeof o === 'function')
return "#<procedure " + sc_hash(o) + ">";
else if (o.sc_toWriteString)
return o.sc_toWriteString();
else
return o.toString();
}
function sc_escapeWriteString(s) {
var res = "";
var j = 0;
for (i = 0; i < s.length; i++) {
switch (s.charAt(i)) {
case "\0": res += s.substring(j, i) + "\\0"; j = i + 1; break;
case "\b": res += s.substring(j, i) + "\\b"; j = i + 1; break;
case "\f": res += s.substring(j, i) + "\\f"; j = i + 1; break;
case "\n": res += s.substring(j, i) + "\\n"; j = i + 1; break;
case "\r": res += s.substring(j, i) + "\\r"; j = i + 1; break;
case "\t": res += s.substring(j, i) + "\\t"; j = i + 1; break;
case "\v": res += s.substring(j, i) + "\\v"; j = i + 1; break;
case '"': res += s.substring(j, i) + '\\"'; j = i + 1; break;
case "\\": res += s.substring(j, i) + "\\\\"; j = i + 1; break;
default:
var c = s.charAt(i);
if ("\a" !== "a" && c == "\a") {
res += s.substring(j, i) + "\\a"; j = i + 1; continue;
}
if ("\v" !== "v" && c == "\v") {
res += s.substring(j, i) + "\\v"; j = i + 1; continue;
}
//if (s.charAt(i) < ' ' || s.charCodeAt(i) > 127) {
// CARE: Manuel is this OK with HOP?
if (s.charAt(i) < ' ') {
/* non printable character and special chars */
res += s.substring(j, i) + "\\x" + s.charCodeAt(i).toString(16);
j = i + 1;
}
// else just let i increase...
}
}
res += s.substring(j, i);
return res;
}
/* ------------------ display ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_display(o, p) {
if (p === undefined) // we assume not given
p = SC_DEFAULT_OUT;
p.appendJSString(sc_toDisplayString(o));
}
function sc_toDisplayString(o) {
if (o === null)
return "()";
else if (o === true)
return "#t";
else if (o === false)
return "#f";
else if (o === undefined)
return "#unspecified";
else if (typeof o === 'function')
return "#<procedure " + sc_hash(o) + ">";
else if (o.sc_toDisplayString)
return o.sc_toDisplayString();
else
return o.toString();
}
/* ------------------ newline ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_newline(p) {
if (p === undefined) // we assume not given
p = SC_DEFAULT_OUT;
p.appendJSString("\n");
}
/* ------------------ write-char ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_writeChar(c, p) {
if (p === undefined) // we assume not given
p = SC_DEFAULT_OUT;
p.appendJSString(c.val);
}
/* ------------------ write-circle ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_writeCircle(o, p) {
if (p === undefined) // we assume not given
p = SC_DEFAULT_OUT;
p.appendJSString(sc_toWriteCircleString(o));
}
function sc_toWriteCircleString(o) {
var symb = sc_gensym("writeCircle");
var nbPointer = new Object();
nbPointer.nb = 0;
sc_prepWriteCircle(o, symb, nbPointer);
return sc_genToWriteCircleString(o, symb);
}
function sc_prepWriteCircle(o, symb, nbPointer) {
// TODO sc_Struct
if (o instanceof sc_Pair ||
o instanceof sc_Vector) {
if (o[symb] !== undefined) {
// not the first visit.
o[symb]++;
// unless there is already a number, assign one.
if (!o[symb + "nb"]) o[symb + "nb"] = nbPointer.nb++;
return;
}
o[symb] = 0;
if (o instanceof sc_Pair) {
sc_prepWriteCircle(o.car, symb, nbPointer);
sc_prepWriteCircle(o.cdr, symb, nbPointer);
} else {
for (var i = 0; i < o.length; i++)
sc_prepWriteCircle(o[i], symb, nbPointer);
}
}
}
function sc_genToWriteCircleString(o, symb) {
if (!(o instanceof sc_Pair ||
o instanceof sc_Vector))
return sc_toWriteString(o);
return o.sc_toWriteCircleString(symb);
}
sc_Pair.prototype.sc_toWriteCircleString = function(symb, inList) {
if (this[symb + "use"]) { // use-flag is set. Just use it.
var nb = this[symb + "nb"];
if (this[symb]-- === 0) { // if we are the last use. remove all fields.
delete this[symb];
delete this[symb + "nb"];
delete this[symb + "use"];
}
if (inList)
return '. #' + nb + '#';
else
return '#' + nb + '#';
}
if (this[symb]-- === 0) { // if we are the last use. remove all fields.
delete this[symb];
delete this[symb + "nb"];
delete this[symb + "use"];
}
var res = "";
if (this[symb] !== undefined) { // implies > 0
this[symb + "use"] = true;
if (inList)
res += '. #' + this[symb + "nb"] + '=';
else
res += '#' + this[symb + "nb"] + '=';
inList = false;
}
if (!inList)
res += "(";
// print car
res += sc_genToWriteCircleString(this.car, symb);
if (sc_isPair(this.cdr)) {
res += " " + this.cdr.sc_toWriteCircleString(symb, true);
} else if (this.cdr !== null) {
res += " . " + sc_genToWriteCircleString(this.cdr, symb);
}
if (!inList)
res += ")";
return res;
};
sc_Vector.prototype.sc_toWriteCircleString = function(symb) {
if (this[symb + "use"]) { // use-flag is set. Just use it.
var nb = this[symb + "nb"];
if (this[symb]-- === 0) { // if we are the last use. remove all fields.
delete this[symb];
delete this[symb + "nb"];
delete this[symb + "use"];
}
return '#' + nb + '#';
}
if (this[symb]-- === 0) { // if we are the last use. remove all fields.
delete this[symb];
delete this[symb + "nb"];
delete this[symb + "use"];
}
var res = "";
if (this[symb] !== undefined) { // implies > 0
this[symb + "use"] = true;
res += '#' + this[symb + "nb"] + '=';
}
res += "#(";
for (var i = 0; i < this.length; i++) {
res += sc_genToWriteCircleString(this[i], symb);
if (i < this.length - 1) res += " ";
}
res += ")";
return res;
};
/* ------------------ print ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_print(s) {
if (arguments.length === 1) {
sc_display(s);
sc_newline();
}
else {
for (var i = 0; i < arguments.length; i++)
sc_display(arguments[i]);
sc_newline();
}
}
/* ------------------ format ---------------------------------------------------*/
/*** META ((export #t)) */
function sc_format(s, args) {
var len = s.length;
var p = new sc_StringOutputPort();
var i = 0, j = 1;
while( i < len ) {
var i2 = s.indexOf("~", i);
if (i2 == -1) {
p.appendJSString( s.substring( i, len ) );
return p.close();
} else {
if (i2 > i) {
if (i2 == (len - 1)) {
p.appendJSString(s.substring(i, len));
return p.close();
} else {
p.appendJSString(s.substring(i, i2));
i = i2;
}
}
switch(s.charCodeAt(i2 + 1)) {
case 65:
case 97:
// a
sc_display(arguments[j], p);
i += 2; j++;
break;
case 83:
case 115:
// s
sc_write(arguments[j], p);
i += 2; j++;
break;
case 86:
case 118:
// v
sc_display(arguments[j], p);
p.appendJSString("\n");
i += 2; j++;
break;
case 67:
case 99:
// c
p.appendJSString(String.fromCharCode(arguments[j]));
i += 2; j++;
break;
case 88:
case 120:
// x
p.appendJSString(arguments[j].toString(6));
i += 2; j++;
break;
case 79:
case 111:
// o
p.appendJSString(arguments[j].toString(8));
i += 2; j++;
break;
case 66:
case 98:
// b
p.appendJSString(arguments[j].toString(2));
i += 2; j++;
break;
case 37:
case 110:
// %, n
p.appendJSString("\n");
i += 2; break;
case 114:
// r
p.appendJSString("\r");
i += 2; break;
case 126:
// ~
p.appendJSString("~");
i += 2; break;
default:
sc_error( "format: illegal ~"
+ String.fromCharCode(s.charCodeAt(i2 + 1))
+ " sequence" );
return "";
}
}
}
return p.close();
}
/* ------------------ global ports ---------------------------------------------------*/
var SC_DEFAULT_IN = new sc_ErrorInputPort();
var SC_DEFAULT_OUT = new sc_ErrorOutputPort();
var SC_ERROR_OUT = new sc_ErrorOutputPort();
var sc_SYMBOL_PREFIX = "\u1E9C";
var sc_KEYWORD_PREFIX = "\u1E9D";
/*** META ((export #t)
(peephole (id))) */
function sc_jsstring2string(s) {
return s;
}
/*** META ((export #t)
(peephole (prefix "'\\u1E9C' +")))
*/
function sc_jsstring2symbol(s) {
return sc_SYMBOL_PREFIX + s;
}
/*** META ((export #t)
(peephole (id)))
*/
function sc_string2jsstring(s) {
return s;
}
/*** META ((export #t)
(peephole (symbol2jsstring_immutable)))
*/
function sc_symbol2jsstring(s) {
return s.slice(1);
}
/*** META ((export #t)
(peephole (postfix ".slice(1)")))
*/
function sc_keyword2jsstring(k) {
return k.slice(1);
}
/*** META ((export #t)
(peephole (prefix "'\\u1E9D' +")))
*/
function sc_jsstring2keyword(s) {
return sc_KEYWORD_PREFIX + s;
}
/*** META ((export #t)
(type bool))
*/
function sc_isKeyword(s) {
return (typeof s === "string") &&
(s.charAt(0) === sc_KEYWORD_PREFIX);
}
/*** META ((export #t)) */
var sc_gensym = function() {
var counter = 1000;
return function(sym) {
counter++;
if (!sym) sym = sc_SYMBOL_PREFIX;
return sym + "s" + counter + "~" + "^sC-GeNsYm ";
};
}();
/*** META ((export #t)
(type bool))
*/
function sc_isEqual(o1, o2) {
return ((o1 === o2) ||
(sc_isPair(o1) && sc_isPair(o2)
&& sc_isPairEqual(o1, o2, sc_isEqual)) ||
(sc_isVector(o1) && sc_isVector(o2)
&& sc_isVectorEqual(o1, o2, sc_isEqual)));
}
/*** META ((export number->symbol integer->symbol)) */
function sc_number2symbol(x, radix) {
return sc_SYMBOL_PREFIX + sc_number2jsstring(x, radix);
}
/*** META ((export number->string integer->string)) */
var sc_number2string = sc_number2jsstring;
/*** META ((export #t)) */
function sc_symbol2number(s, radix) {
return sc_jsstring2number(s.slice(1), radix);
}
/*** META ((export #t)) */
var sc_string2number = sc_jsstring2number;
/*** META ((export #t)
(peephole (prefix "+" s)))
;; peephole will only apply if no radix is given.
*/
function sc_string2integer(s, radix) {
if (!radix) return +s;
return parseInt(s, radix);
}
/*** META ((export #t)
(peephole (prefix "+")))
*/
function sc_string2real(s) {
return +s;
}
/*** META ((export #t)
(type bool))
*/
function sc_isSymbol(s) {
return (typeof s === "string") &&
(s.charAt(0) === sc_SYMBOL_PREFIX);
}
/*** META ((export #t)
(peephole (symbol2string_immutable)))
*/
function sc_symbol2string(s) {
return s.slice(1);
}
/*** META ((export #t)
(peephole (prefix "'\\u1E9C' +")))
*/
function sc_string2symbol(s) {
return sc_SYMBOL_PREFIX + s;
}
/*** META ((export symbol-append)
(peephole (symbolAppend_immutable)))
*/
function sc_symbolAppend() {
var res = sc_SYMBOL_PREFIX;
for (var i = 0; i < arguments.length; i++)
res += arguments[i].slice(1);
return res;
}
/*** META ((export #t)
(peephole (postfix ".val")))
*/
function sc_char2string(c) { return c.val; }
/*** META ((export #t)
(peephole (hole 1 "'\\u1E9C' + " c ".val")))
*/
function sc_char2symbol(c) { return sc_SYMBOL_PREFIX + c.val; }
/*** META ((export #t)
(type bool))
*/
function sc_isString(s) {
return (typeof s === "string") &&
(s.charAt(0) !== sc_SYMBOL_PREFIX);
}
/*** META ((export #t)) */
var sc_makeString = sc_makejsString;
/*** META ((export #t)) */
function sc_string() {
for (var i = 0; i < arguments.length; i++)
arguments[i] = arguments[i].val;
return "".concat.apply("", arguments);
}
/*** META ((export #t)
(peephole (postfix ".length")))
*/
function sc_stringLength(s) { return s.length; }
/*** META ((export #t)) */
function sc_stringRef(s, k) {
return new sc_Char(s.charAt(k));
}
/* there's no stringSet in the immutable version
function sc_stringSet(s, k, c)
*/
/*** META ((export string=?)
(type bool)
(peephole (hole 2 str1 " === " str2)))
*/
function sc_isStringEqual(s1, s2) {
return s1 === s2;
}
/*** META ((export string<?)
(type bool)
(peephole (hole 2 str1 " < " str2)))
*/
function sc_isStringLess(s1, s2) {
return s1 < s2;
}
/*** META ((export string>?)
(type bool)
(peephole (hole 2 str1 " > " str2)))
*/
function sc_isStringGreater(s1, s2) {
return s1 > s2;
}
/*** META ((export string<=?)
(type bool)
(peephole (hole 2 str1 " <= " str2)))
*/
function sc_isStringLessEqual(s1, s2) {
return s1 <= s2;
}
/*** META ((export string>=?)
(type bool)
(peephole (hole 2 str1 " >= " str2)))
*/
function sc_isStringGreaterEqual(s1, s2) {
return s1 >= s2;
}
/*** META ((export string-ci=?)
(type bool)
(peephole (hole 2 str1 ".toLowerCase() === " str2 ".toLowerCase()")))
*/
function sc_isStringCIEqual(s1, s2) {
return s1.toLowerCase() === s2.toLowerCase();
}
/*** META ((export string-ci<?)
(type bool)
(peephole (hole 2 str1 ".toLowerCase() < " str2 ".toLowerCase()")))
*/
function sc_isStringCILess(s1, s2) {
return s1.toLowerCase() < s2.toLowerCase();
}
/*** META ((export string-ci>?)
(type bool)
(peephole (hole 2 str1 ".toLowerCase() > " str2 ".toLowerCase()")))
*/
function sc_isStringCIGreater(s1, s2) {
return s1.toLowerCase() > s2.toLowerCase();
}
/*** META ((export string-ci<=?)
(type bool)
(peephole (hole 2 str1 ".toLowerCase() <= " str2 ".toLowerCase()")))
*/
function sc_isStringCILessEqual(s1, s2) {
return s1.toLowerCase() <= s2.toLowerCase();
}
/*** META ((export string-ci>=?)
(type bool)
(peephole (hole 2 str1 ".toLowerCase() >= " str2 ".toLowerCase()")))
*/
function sc_isStringCIGreaterEqual(s1, s2) {
return s1.toLowerCase() >= s2.toLowerCase();
}
/*** META ((export #t)
(peephole (hole 3 s ".substring(" start ", " end ")")))
*/
function sc_substring(s, start, end) {
return s.substring(start, end);
}
/*** META ((export #t))
*/
function sc_isSubstring_at(s1, s2, i) {
return s2 == s1.substring(i, i+ s2.length);
}
/*** META ((export #t)
(peephole (infix 0 #f "+" "''")))
*/
function sc_stringAppend() {
return "".concat.apply("", arguments);
}
/*** META ((export #t)) */
var sc_string2list = sc_jsstring2list;
/*** META ((export #t)) */
var sc_list2string = sc_list2jsstring;
/*** META ((export #t)
(peephole (id)))
*/
function sc_stringCopy(s) {
return s;
}
/* there's no string-fill in the immutable version
function sc_stringFill(s, c)
*/
/*** META ((export #t)
(peephole (postfix ".slice(1)")))
*/
function sc_keyword2string(o) {
return o.slice(1);
}
/*** META ((export #t)
(peephole (prefix "'\\u1E9D' +")))
*/
function sc_string2keyword(o) {
return sc_KEYWORD_PREFIX + o;
}
String.prototype.sc_toDisplayString = function() {
if (this.charAt(0) === sc_SYMBOL_PREFIX)
// TODO: care for symbols with spaces (escape-chars symbols).
return this.slice(1);
else if (this.charAt(0) === sc_KEYWORD_PREFIX)
return ":" + this.slice(1);
else
return this.toString();
};
String.prototype.sc_toWriteString = function() {
if (this.charAt(0) === sc_SYMBOL_PREFIX)
// TODO: care for symbols with spaces (escape-chars symbols).
return this.slice(1);
else if (this.charAt(0) === sc_KEYWORD_PREFIX)
return ":" + this.slice(1);
else
return '"' + sc_escapeWriteString(this) + '"';
};
/* Exported Variables */
var BgL_testzd2boyerzd2;
var BgL_nboyerzd2benchmarkzd2;
var BgL_setupzd2boyerzd2;
/* End Exports */
var translate_term_nboyer;
var translate_args_nboyer;
var untranslate_term_nboyer;
var BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer;
var BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer;
var translate_alist_nboyer;
var apply_subst_nboyer;
var apply_subst_lst_nboyer;
var tautologyp_nboyer;
var if_constructor_nboyer;
var rewrite_count_nboyer;
var rewrite_nboyer;
var rewrite_args_nboyer;
var unify_subst_nboyer;
var one_way_unify1_nboyer;
var false_term_nboyer;
var true_term_nboyer;
var trans_of_implies1_nboyer;
var is_term_equal_nboyer;
var is_term_member_nboyer;
var const_nboyer;
var sc_const_3_nboyer;
var sc_const_4_nboyer;
{
(sc_const_4_nboyer = (new sc_Pair("\u1E9Cimplies",(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cz",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cand",(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cz",(new sc_Pair("\u1E9Cu",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cu",(new sc_Pair("\u1E9Cw",null)))))),null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cimplies",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cw",null)))))),null)))))));
(sc_const_3_nboyer = sc_list((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ccompile",(new sc_Pair("\u1E9Cform",null)))),(new sc_Pair((new sc_Pair("\u1E9Creverse",(new sc_Pair((new sc_Pair("\u1E9Ccodegen",(new sc_Pair((new sc_Pair("\u1E9Coptimize",(new sc_Pair("\u1E9Cform",null)))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Ceqp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cy",null)))),null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cgreaterp",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),(new sc_Pair((new sc_Pair("\u1E9Clessp",(new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cx",null)))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new 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sc_Pair("\u1E9Czerop",(new sc_Pair("\u1E9Cy",null)))),(new sc_Pair((new sc_Pair("\u1E9Czero",null)),(new sc_Pair((new sc_Pair("\u1E9Cfix",(new sc_Pair("\u1E9Cx",null)))),null)))))))),null)))))), (new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair((new sc_Pair("\u1E9Cset",(new sc_Pair("\u1E9Ci",(new sc_Pair("\u1E9Cval",(new sc_Pair("\u1E9Cmem",null)))))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cif",(new sc_Pair((new sc_Pair("\u1E9Ceqp",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Ci",null)))))),(new sc_Pair("\u1E9Cval",(new sc_Pair((new sc_Pair("\u1E9Cget",(new sc_Pair("\u1E9Cj",(new sc_Pair("\u1E9Cmem",null)))))),null)))))))),null))))))));
(const_nboyer = (new sc_Pair((new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cc",(new sc_Pair((new sc_Pair("\u1E9Czero",null)),null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cy",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair((new sc_Pair("\u1E9Ctimes",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Cc",(new sc_Pair("\u1E9Cd",null)))))),null)))))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cz",(new sc_Pair("\u1E9Cf",(new sc_Pair((new sc_Pair("\u1E9Creverse",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair((new sc_Pair("\u1E9Cappend",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cnil",null)),null)))))),null)))),null)))))),(new sc_Pair((new sc_Pair("\u1E9Cu",(new sc_Pair("\u1E9Cequal",(new sc_Pair((new sc_Pair("\u1E9Cplus",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cdifference",(new sc_Pair("\u1E9Cx",(new sc_Pair("\u1E9Cy",null)))))),null)))))))),(new sc_Pair((new sc_Pair("\u1E9Cw",(new sc_Pair("\u1E9Clessp",(new sc_Pair((new sc_Pair("\u1E9Cremainder",(new sc_Pair("\u1E9Ca",(new sc_Pair("\u1E9Cb",null)))))),(new sc_Pair((new sc_Pair("\u1E9Cmember",(new sc_Pair("\u1E9Ca",(new sc_Pair((new sc_Pair("\u1E9Clength",(new sc_Pair("\u1E9Cb",null)))),null)))))),null)))))))),null)))))))))));
BgL_nboyerzd2benchmarkzd2 = function() {
var args = null;
for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) {
args = sc_cons(arguments[sc_tmp], args);
}
var n;
return ((n = ((args === null)?(0):(args.car))), (BgL_setupzd2boyerzd2()), (BgL_runzd2benchmarkzd2(("nboyer"+(sc_number2string(n))), (1), function() {
return (BgL_testzd2boyerzd2(n));
}, function(rewrites) {
if ((sc_isNumber(rewrites)))
switch (n) {
case (0):
return (rewrites===(95024));
break;
case (1):
return (rewrites===(591777));
break;
case (2):
return (rewrites===(1813975));
break;
case (3):
return (rewrites===(5375678));
break;
case (4):
return (rewrites===(16445406));
break;
case (5):
return (rewrites===(51507739));
break;
default:
return true;
break;
}
else
return false;
})));
};
BgL_setupzd2boyerzd2 = function() {
return true;
};
BgL_testzd2boyerzd2 = function() {
return true;
};
translate_term_nboyer = function(term) {
var lst;
return (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), ((lst = (term.cdr)), ((lst === null)?null:(new sc_Pair((translate_term_nboyer((lst.car))), (translate_args_nboyer((lst.cdr))))))))));
};
translate_args_nboyer = function(lst) {
var sc_lst_5;
var term;
return ((lst === null)?null:(new sc_Pair(((term = (lst.car)), (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr))))))), ((sc_lst_5 = (lst.cdr)), ((sc_lst_5 === null)?null:(new sc_Pair((translate_term_nboyer((sc_lst_5.car))), (translate_args_nboyer((sc_lst_5.cdr))))))))));
};
untranslate_term_nboyer = function(term) {
var optrOpnd;
var tail1131;
var L1127;
var falseHead1130;
var symbol_record;
if (!(term instanceof sc_Pair))
return term;
else
{
(falseHead1130 = (new sc_Pair(null, null)));
(L1127 = (term.cdr));
(tail1131 = falseHead1130);
while (!(L1127 === null)) {
{
(tail1131.cdr = (new sc_Pair((untranslate_term_nboyer((L1127.car))), null)));
(tail1131 = (tail1131.cdr));
(L1127 = (L1127.cdr));
}
}
(optrOpnd = (falseHead1130.cdr));
return (new sc_Pair(((symbol_record = (term.car)), (symbol_record[(0)])), optrOpnd));
}
};
BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer = function(sym) {
var r;
var x;
return ((x = (sc_assq(sym, BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer))), ((x!== false)?(x.cdr):((r = [sym, null]), (BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = (new sc_Pair((new sc_Pair(sym, r)), BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer))), r)));
};
(BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null);
translate_alist_nboyer = function(alist) {
var sc_alist_6;
var term;
return ((alist === null)?null:(new sc_Pair((new sc_Pair((alist.car.car), ((term = (alist.car.cdr)), (!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr))))))))), ((sc_alist_6 = (alist.cdr)), ((sc_alist_6 === null)?null:(new sc_Pair((new sc_Pair((sc_alist_6.car.car), (translate_term_nboyer((sc_alist_6.car.cdr))))), (translate_alist_nboyer((sc_alist_6.cdr))))))))));
};
apply_subst_nboyer = function(alist, term) {
var lst;
var temp_temp;
return (!(term instanceof sc_Pair)?((temp_temp = (sc_assq(term, alist))), ((temp_temp!== false)?(temp_temp.cdr):term)):(new sc_Pair((term.car), ((lst = (term.cdr)), ((lst === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (lst.car))), (apply_subst_lst_nboyer(alist, (lst.cdr))))))))));
};
apply_subst_lst_nboyer = function(alist, lst) {
var sc_lst_7;
return ((lst === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (lst.car))), ((sc_lst_7 = (lst.cdr)), ((sc_lst_7 === null)?null:(new sc_Pair((apply_subst_nboyer(alist, (sc_lst_7.car))), (apply_subst_lst_nboyer(alist, (sc_lst_7.cdr))))))))));
};
tautologyp_nboyer = function(sc_x_11, true_lst, false_lst) {
var tmp1125;
var x;
var tmp1126;
var sc_x_8;
var sc_tmp1125_9;
var sc_tmp1126_10;
var sc_x_11;
var true_lst;
var false_lst;
while (true) {
if ((((sc_tmp1126_10 = (is_term_equal_nboyer(sc_x_11, true_term_nboyer))), ((sc_tmp1126_10!== false)?sc_tmp1126_10:(is_term_member_nboyer(sc_x_11, true_lst))))!== false))
return true;
else
if ((((sc_tmp1125_9 = (is_term_equal_nboyer(sc_x_11, false_term_nboyer))), ((sc_tmp1125_9!== false)?sc_tmp1125_9:(is_term_member_nboyer(sc_x_11, false_lst))))!== false))
return false;
else
if (!(sc_x_11 instanceof sc_Pair))
return false;
else
if (((sc_x_11.car)===if_constructor_nboyer))
if ((((sc_x_8 = (sc_x_11.cdr.car)), (tmp1126 = (is_term_equal_nboyer(sc_x_8, true_term_nboyer))), ((tmp1126!== false)?tmp1126:(is_term_member_nboyer(sc_x_8, true_lst))))!== false))
(sc_x_11 = (sc_x_11.cdr.cdr.car));
else
if ((((x = (sc_x_11.cdr.car)), (tmp1125 = (is_term_equal_nboyer(x, false_term_nboyer))), ((tmp1125!== false)?tmp1125:(is_term_member_nboyer(x, false_lst))))!== false))
(sc_x_11 = (sc_x_11.cdr.cdr.cdr.car));
else
if (((tautologyp_nboyer((sc_x_11.cdr.cdr.car), (new sc_Pair((sc_x_11.cdr.car), true_lst)), false_lst))!== false))
{
(false_lst = (new sc_Pair((sc_x_11.cdr.car), false_lst)));
(sc_x_11 = (sc_x_11.cdr.cdr.cdr.car));
}
else
return false;
else
return false;
}
};
(if_constructor_nboyer = "\u1E9C*");
(rewrite_count_nboyer = (0));
rewrite_nboyer = function(term) {
var term2;
var sc_term_12;
var lst;
var symbol_record;
var sc_lst_13;
{
(++rewrite_count_nboyer);
if (!(term instanceof sc_Pair))
return term;
else
{
(sc_term_12 = (new sc_Pair((term.car), ((sc_lst_13 = (term.cdr)), ((sc_lst_13 === null)?null:(new sc_Pair((rewrite_nboyer((sc_lst_13.car))), (rewrite_args_nboyer((sc_lst_13.cdr))))))))));
(lst = ((symbol_record = (term.car)), (symbol_record[(1)])));
while (true) {
if ((lst === null))
return sc_term_12;
else
if ((((term2 = ((lst.car).cdr.car)), (unify_subst_nboyer = null), (one_way_unify1_nboyer(sc_term_12, term2)))!== false))
return (rewrite_nboyer((apply_subst_nboyer(unify_subst_nboyer, ((lst.car).cdr.cdr.car)))));
else
(lst = (lst.cdr));
}
}
}
};
rewrite_args_nboyer = function(lst) {
var sc_lst_14;
return ((lst === null)?null:(new sc_Pair((rewrite_nboyer((lst.car))), ((sc_lst_14 = (lst.cdr)), ((sc_lst_14 === null)?null:(new sc_Pair((rewrite_nboyer((sc_lst_14.car))), (rewrite_args_nboyer((sc_lst_14.cdr))))))))));
};
(unify_subst_nboyer = "\u1E9C*");
one_way_unify1_nboyer = function(term1, term2) {
var lst1;
var lst2;
var temp_temp;
if (!(term2 instanceof sc_Pair))
{
(temp_temp = (sc_assq(term2, unify_subst_nboyer)));
if ((temp_temp!== false))
return (is_term_equal_nboyer(term1, (temp_temp.cdr)));
else
if ((sc_isNumber(term2)))
return (sc_isEqual(term1, term2));
else
{
(unify_subst_nboyer = (new sc_Pair((new sc_Pair(term2, term1)), unify_subst_nboyer)));
return true;
}
}
else
if (!(term1 instanceof sc_Pair))
return false;
else
if (((term1.car)===(term2.car)))
{
(lst1 = (term1.cdr));
(lst2 = (term2.cdr));
while (true) {
if ((lst1 === null))
return (lst2 === null);
else
if ((lst2 === null))
return false;
else
if (((one_way_unify1_nboyer((lst1.car), (lst2.car)))!== false))
{
(lst1 = (lst1.cdr));
(lst2 = (lst2.cdr));
}
else
return false;
}
}
else
return false;
};
(false_term_nboyer = "\u1E9C*");
(true_term_nboyer = "\u1E9C*");
trans_of_implies1_nboyer = function(n) {
var sc_n_15;
return ((sc_isEqual(n, (1)))?(sc_list("\u1E9Cimplies", (0), (1))):(sc_list("\u1E9Cand", (sc_list("\u1E9Cimplies", (n-(1)), n)), ((sc_n_15 = (n-(1))), ((sc_isEqual(sc_n_15, (1)))?(sc_list("\u1E9Cimplies", (0), (1))):(sc_list("\u1E9Cand", (sc_list("\u1E9Cimplies", (sc_n_15-(1)), sc_n_15)), (trans_of_implies1_nboyer((sc_n_15-(1)))))))))));
};
is_term_equal_nboyer = function(x, y) {
var lst1;
var lst2;
var r2;
var r1;
if ((x instanceof sc_Pair))
if ((y instanceof sc_Pair))
if ((((r1 = (x.car)), (r2 = (y.car)), (r1===r2))!== false))
{
(lst1 = (x.cdr));
(lst2 = (y.cdr));
while (true) {
if ((lst1 === null))
return (lst2 === null);
else
if ((lst2 === null))
return false;
else
if (((is_term_equal_nboyer((lst1.car), (lst2.car)))!== false))
{
(lst1 = (lst1.cdr));
(lst2 = (lst2.cdr));
}
else
return false;
}
}
else
return false;
else
return false;
else
return (sc_isEqual(x, y));
};
is_term_member_nboyer = function(x, lst) {
var x;
var lst;
while (true) {
if ((lst === null))
return false;
else
if (((is_term_equal_nboyer(x, (lst.car)))!== false))
return true;
else
(lst = (lst.cdr));
}
};
BgL_setupzd2boyerzd2 = function() {
var symbol_record;
var value;
var BgL_sc_symbolzd2record_16zd2;
var sym;
var sc_sym_17;
var term;
var lst;
var sc_term_18;
var sc_term_19;
{
(BgL_sc_za2symbolzd2recordszd2alistza2_2z00_nboyer = null);
(if_constructor_nboyer = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer("\u1E9Cif")));
(false_term_nboyer = ((sc_term_19 = (new sc_Pair("\u1E9Cf",null))), (!(sc_term_19 instanceof sc_Pair)?sc_term_19:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_19.car))), (translate_args_nboyer((sc_term_19.cdr))))))));
(true_term_nboyer = ((sc_term_18 = (new sc_Pair("\u1E9Ct",null))), (!(sc_term_18 instanceof sc_Pair)?sc_term_18:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_18.car))), (translate_args_nboyer((sc_term_18.cdr))))))));
(lst = sc_const_3_nboyer);
while (!(lst === null)) {
{
(term = (lst.car));
if (((term instanceof sc_Pair)&&(((term.car)==="\u1E9Cequal")&&((term.cdr.car) instanceof sc_Pair))))
{
(sc_sym_17 = ((term.cdr.car).car));
(value = (new sc_Pair((!(term instanceof sc_Pair)?term:(new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((term.car))), (translate_args_nboyer((term.cdr)))))), ((sym = ((term.cdr.car).car)), (BgL_sc_symbolzd2record_16zd2 = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer(sym))), (BgL_sc_symbolzd2record_16zd2[(1)])))));
(symbol_record = (BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer(sc_sym_17)));
(symbol_record[(1)] = value);
}
else
(sc_error("ADD-LEMMA did not like term: ", term));
(lst = (lst.cdr));
}
}
return true;
}
};
BgL_testzd2boyerzd2 = function(n) {
var optrOpnd;
var term;
var sc_n_20;
var answer;
var sc_term_21;
var sc_term_22;
{
(rewrite_count_nboyer = (0));
(term = sc_const_4_nboyer);
(sc_n_20 = n);
while (!(sc_n_20=== 0)) {
{
(term = (sc_list("\u1E9Cor", term, (new sc_Pair("\u1E9Cf",null)))));
(--sc_n_20);
}
}
(sc_term_22 = term);
if (!(sc_term_22 instanceof sc_Pair))
(optrOpnd = sc_term_22);
else
(optrOpnd = (new sc_Pair((BgL_sc_symbolzd2ze3symbolzd2record_1ze3_nboyer((sc_term_22.car))), (translate_args_nboyer((sc_term_22.cdr))))));
(sc_term_21 = (apply_subst_nboyer(((const_nboyer === null)?null:(new sc_Pair((new sc_Pair((const_nboyer.car.car), (translate_term_nboyer((const_nboyer.car.cdr))))), (translate_alist_nboyer((const_nboyer.cdr)))))), optrOpnd)));
(answer = (tautologyp_nboyer((rewrite_nboyer(sc_term_21)), null, null)));
(sc_write(rewrite_count_nboyer));
(sc_display(" rewrites"));
(sc_newline());
if ((answer!== false))
return rewrite_count_nboyer;
else
return false;
}
};
}
/* Exported Variables */
var BgL_parsezd2ze3nbzd2treesze3;
var BgL_earleyzd2benchmarkzd2;
var BgL_parsezd2ze3parsedzf3zc2;
var test;
var BgL_parsezd2ze3treesz31;
var BgL_makezd2parserzd2;
/* End Exports */
var const_earley;
{
(const_earley = (new sc_Pair((new sc_Pair("\u1E9Cs",(new sc_Pair((new sc_Pair("\u1E9Ca",null)),(new sc_Pair((new sc_Pair("\u1E9Cs",(new sc_Pair("\u1E9Cs",null)))),null)))))),null)));
BgL_makezd2parserzd2 = function(grammar, lexer) {
var i;
var parser_descr;
var def_loop;
var nb_nts;
var names;
var steps;
var predictors;
var enders;
var starters;
var nts;
var sc_names_1;
var sc_steps_2;
var sc_predictors_3;
var sc_enders_4;
var sc_starters_5;
var nb_confs;
var BgL_sc_defzd2loop_6zd2;
var BgL_sc_nbzd2nts_7zd2;
var sc_nts_8;
var BgL_sc_defzd2loop_9zd2;
var ind;
{
ind = function(nt, sc_nts_10) {
var i;
{
(i = ((sc_nts_10.length)-(1)));
while (true) {
if ((i>=(0)))
if ((sc_isEqual((sc_nts_10[i]), nt)))
return i;
else
(--i);
else
return false;
}
}
};
(sc_nts_8 = ((BgL_sc_defzd2loop_9zd2 = function(defs, sc_nts_11) {
var rule_loop;
var head;
var def;
return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, sc_nts_12) {
var nt;
var l;
var sc_nts_13;
var rule;
if ((rules instanceof sc_Pair))
{
(rule = (rules.car));
(l = rule);
(sc_nts_13 = sc_nts_12);
while ((l instanceof sc_Pair)) {
{
(nt = (l.car));
(l = (l.cdr));
(sc_nts_13 = (((sc_member(nt, sc_nts_13))!== false)?sc_nts_13:(new sc_Pair(nt, sc_nts_13))));
}
}
return (rule_loop((rules.cdr), sc_nts_13));
}
else
return (BgL_sc_defzd2loop_9zd2((defs.cdr), sc_nts_12));
}), (rule_loop((def.cdr), (((sc_member(head, sc_nts_11))!== false)?sc_nts_11:(new sc_Pair(head, sc_nts_11)))))):(sc_list2vector((sc_reverse(sc_nts_11)))));
}), (BgL_sc_defzd2loop_9zd2(grammar, null))));
(BgL_sc_nbzd2nts_7zd2 = (sc_nts_8.length));
(nb_confs = (((BgL_sc_defzd2loop_6zd2 = function(defs, BgL_sc_nbzd2confs_14zd2) {
var rule_loop;
var def;
return ((defs instanceof sc_Pair)?((def = (defs.car)), (rule_loop = function(rules, BgL_sc_nbzd2confs_15zd2) {
var l;
var BgL_sc_nbzd2confs_16zd2;
var rule;
if ((rules instanceof sc_Pair))
{
(rule = (rules.car));
(l = rule);
(BgL_sc_nbzd2confs_16zd2 = BgL_sc_nbzd2confs_15zd2);
while ((l instanceof sc_Pair)) {
{
(l = (l.cdr));
(++BgL_sc_nbzd2confs_16zd2);
}
}
return (rule_loop((rules.cdr), (BgL_sc_nbzd2confs_16zd2+(1))));
}
else
return (BgL_sc_defzd2loop_6zd2((defs.cdr), BgL_sc_nbzd2confs_15zd2));
}), (rule_loop((def.cdr), BgL_sc_nbzd2confs_14zd2))):BgL_sc_nbzd2confs_14zd2);
}), (BgL_sc_defzd2loop_6zd2(grammar, (0))))+BgL_sc_nbzd2nts_7zd2));
(sc_starters_5 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
(sc_enders_4 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
(sc_predictors_3 = (sc_makeVector(BgL_sc_nbzd2nts_7zd2, null)));
(sc_steps_2 = (sc_makeVector(nb_confs, false)));
(sc_names_1 = (sc_makeVector(nb_confs, false)));
(nts = sc_nts_8);
(starters = sc_starters_5);
(enders = sc_enders_4);
(predictors = sc_predictors_3);
(steps = sc_steps_2);
(names = sc_names_1);
(nb_nts = (sc_nts_8.length));
(i = (nb_nts-(1)));
while ((i>=(0))) {
{
(sc_steps_2[i] = (i-nb_nts));
(sc_names_1[i] = (sc_list((sc_nts_8[i]), (0))));
(sc_enders_4[i] = (sc_list(i)));
(--i);
}
}
def_loop = function(defs, conf) {
var rule_loop;
var head;
var def;
return ((defs instanceof sc_Pair)?((def = (defs.car)), (head = (def.car)), (rule_loop = function(rules, conf, rule_num) {
var i;
var sc_i_17;
var nt;
var l;
var sc_conf_18;
var sc_i_19;
var rule;
if ((rules instanceof sc_Pair))
{
(rule = (rules.car));
(names[conf] = (sc_list(head, rule_num)));
(sc_i_19 = (ind(head, nts)));
(starters[sc_i_19] = (new sc_Pair(conf, (starters[sc_i_19]))));
(l = rule);
(sc_conf_18 = conf);
while ((l instanceof sc_Pair)) {
{
(nt = (l.car));
(steps[sc_conf_18] = (ind(nt, nts)));
(sc_i_17 = (ind(nt, nts)));
(predictors[sc_i_17] = (new sc_Pair(sc_conf_18, (predictors[sc_i_17]))));
(l = (l.cdr));
(++sc_conf_18);
}
}
(steps[sc_conf_18] = ((ind(head, nts))-nb_nts));
(i = (ind(head, nts)));
(enders[i] = (new sc_Pair(sc_conf_18, (enders[i]))));
return (rule_loop((rules.cdr), (sc_conf_18+(1)), (rule_num+(1))));
}
else
return (def_loop((defs.cdr), conf));
}), (rule_loop((def.cdr), conf, (1)))):undefined);
};
(def_loop(grammar, (sc_nts_8.length)));
(parser_descr = [lexer, sc_nts_8, sc_starters_5, sc_enders_4, sc_predictors_3, sc_steps_2, sc_names_1]);
return function(input) {
var optrOpnd;
var sc_optrOpnd_20;
var sc_optrOpnd_21;
var sc_optrOpnd_22;
var loop1;
var BgL_sc_stateza2_23za2;
var toks;
var BgL_sc_nbzd2nts_24zd2;
var sc_steps_25;
var sc_enders_26;
var state_num;
var BgL_sc_statesza2_27za2;
var states;
var i;
var conf;
var l;
var tok_nts;
var sc_i_28;
var sc_i_29;
var l1;
var l2;
var tok;
var tail1129;
var L1125;
var goal_enders;
var BgL_sc_statesza2_30za2;
var BgL_sc_nbzd2nts_31zd2;
var BgL_sc_nbzd2confs_32zd2;
var nb_toks;
var goal_starters;
var sc_states_33;
var BgL_sc_nbzd2confs_34zd2;
var BgL_sc_nbzd2toks_35zd2;
var sc_toks_36;
var falseHead1128;
var sc_names_37;
var sc_steps_38;
var sc_predictors_39;
var sc_enders_40;
var sc_starters_41;
var sc_nts_42;
var lexer;
var sc_ind_43;
var make_states;
var BgL_sc_confzd2setzd2getza2_44za2;
var conf_set_merge_new_bang;
var conf_set_adjoin;
var BgL_sc_confzd2setzd2adjoinza2_45za2;
var BgL_sc_confzd2setzd2adjoinza2za2_46z00;
var conf_set_union;
var forw;
var is_parsed;
var deriv_trees;
var BgL_sc_derivzd2treesza2_47z70;
var nb_deriv_trees;
var BgL_sc_nbzd2derivzd2treesza2_48za2;
{
sc_ind_43 = function(nt, sc_nts_49) {
var i;
{
(i = ((sc_nts_49.length)-(1)));
while (true) {
if ((i>=(0)))
if ((sc_isEqual((sc_nts_49[i]), nt)))
return i;
else
(--i);
else
return false;
}
}
};
make_states = function(BgL_sc_nbzd2toks_50zd2, BgL_sc_nbzd2confs_51zd2) {
var v;
var i;
var sc_states_52;
{
(sc_states_52 = (sc_makeVector((BgL_sc_nbzd2toks_50zd2+(1)), false)));
(i = BgL_sc_nbzd2toks_50zd2);
while ((i>=(0))) {
{
(v = (sc_makeVector((BgL_sc_nbzd2confs_51zd2+(1)), false)));
(v[(0)] = (-1));
(sc_states_52[i] = v);
(--i);
}
}
return sc_states_52;
}
};
BgL_sc_confzd2setzd2getza2_44za2 = function(state, BgL_sc_statezd2num_53zd2, sc_conf_54) {
var conf_set;
var BgL_sc_confzd2set_55zd2;
return ((BgL_sc_confzd2set_55zd2 = (state[(sc_conf_54+(1))])), ((BgL_sc_confzd2set_55zd2!== false)?BgL_sc_confzd2set_55zd2:((conf_set = (sc_makeVector((BgL_sc_statezd2num_53zd2+(6)), false))), (conf_set[(1)] = (-3)), (conf_set[(2)] = (-1)), (conf_set[(3)] = (-1)), (conf_set[(4)] = (-1)), (state[(sc_conf_54+(1))] = conf_set), conf_set)));
};
conf_set_merge_new_bang = function(conf_set) {
return ((conf_set[((conf_set[(1)])+(5))] = (conf_set[(4)])), (conf_set[(1)] = (conf_set[(3)])), (conf_set[(3)] = (-1)), (conf_set[(4)] = (-1)));
};
conf_set_adjoin = function(state, conf_set, sc_conf_56, i) {
var tail;
return ((tail = (conf_set[(3)])), (conf_set[(i+(5))] = (-1)), (conf_set[(tail+(5))] = i), (conf_set[(3)] = i), ((tail<(0))?((conf_set[(0)] = (state[(0)])), (state[(0)] = sc_conf_56)):undefined));
};
BgL_sc_confzd2setzd2adjoinza2_45za2 = function(sc_states_57, BgL_sc_statezd2num_58zd2, l, i) {
var conf_set;
var sc_conf_59;
var l1;
var state;
{
(state = (sc_states_57[BgL_sc_statezd2num_58zd2]));
(l1 = l);
while ((l1 instanceof sc_Pair)) {
{
(sc_conf_59 = (l1.car));
(conf_set = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_58zd2, sc_conf_59)));
if (((conf_set[(i+(5))])=== false))
{
(conf_set_adjoin(state, conf_set, sc_conf_59, i));
(l1 = (l1.cdr));
}
else
(l1 = (l1.cdr));
}
}
return undefined;
}
};
BgL_sc_confzd2setzd2adjoinza2za2_46z00 = function(sc_states_60, BgL_sc_statesza2_61za2, BgL_sc_statezd2num_62zd2, sc_conf_63, i) {
var BgL_sc_confzd2setza2_64z70;
var BgL_sc_stateza2_65za2;
var conf_set;
var state;
return ((state = (sc_states_60[BgL_sc_statezd2num_62zd2])), ((((conf_set = (state[(sc_conf_63+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)?((BgL_sc_stateza2_65za2 = (BgL_sc_statesza2_61za2[BgL_sc_statezd2num_62zd2])), (BgL_sc_confzd2setza2_64z70 = (BgL_sc_confzd2setzd2getza2_44za2(BgL_sc_stateza2_65za2, BgL_sc_statezd2num_62zd2, sc_conf_63))), (((BgL_sc_confzd2setza2_64z70[(i+(5))])=== false)?(conf_set_adjoin(BgL_sc_stateza2_65za2, BgL_sc_confzd2setza2_64z70, sc_conf_63, i)):undefined), true):false));
};
conf_set_union = function(state, conf_set, sc_conf_66, other_set) {
var i;
{
(i = (other_set[(2)]));
while ((i>=(0))) {
if (((conf_set[(i+(5))])=== false))
{
(conf_set_adjoin(state, conf_set, sc_conf_66, i));
(i = (other_set[(i+(5))]));
}
else
(i = (other_set[(i+(5))]));
}
return undefined;
}
};
forw = function(sc_states_67, BgL_sc_statezd2num_68zd2, sc_starters_69, sc_enders_70, sc_predictors_71, sc_steps_72, sc_nts_73) {
var next_set;
var next;
var conf_set;
var ender;
var l;
var starter_set;
var starter;
var sc_l_74;
var sc_loop1_75;
var head;
var BgL_sc_confzd2set_76zd2;
var BgL_sc_statezd2num_77zd2;
var state;
var sc_states_78;
var preds;
var BgL_sc_confzd2set_79zd2;
var step;
var sc_conf_80;
var BgL_sc_nbzd2nts_81zd2;
var sc_state_82;
{
(sc_state_82 = (sc_states_67[BgL_sc_statezd2num_68zd2]));
(BgL_sc_nbzd2nts_81zd2 = (sc_nts_73.length));
while (true) {
{
(sc_conf_80 = (sc_state_82[(0)]));
if ((sc_conf_80>=(0)))
{
(step = (sc_steps_72[sc_conf_80]));
(BgL_sc_confzd2set_79zd2 = (sc_state_82[(sc_conf_80+(1))]));
(head = (BgL_sc_confzd2set_79zd2[(4)]));
(sc_state_82[(0)] = (BgL_sc_confzd2set_79zd2[(0)]));
(conf_set_merge_new_bang(BgL_sc_confzd2set_79zd2));
if ((step>=(0)))
{
(sc_l_74 = (sc_starters_69[step]));
while ((sc_l_74 instanceof sc_Pair)) {
{
(starter = (sc_l_74.car));
(starter_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, starter)));
if (((starter_set[(BgL_sc_statezd2num_68zd2+(5))])=== false))
{
(conf_set_adjoin(sc_state_82, starter_set, starter, BgL_sc_statezd2num_68zd2));
(sc_l_74 = (sc_l_74.cdr));
}
else
(sc_l_74 = (sc_l_74.cdr));
}
}
(l = (sc_enders_70[step]));
while ((l instanceof sc_Pair)) {
{
(ender = (l.car));
if ((((conf_set = (sc_state_82[(ender+(1))])), ((conf_set!== false)?(conf_set[(BgL_sc_statezd2num_68zd2+(5))]):false))!== false))
{
(next = (sc_conf_80+(1)));
(next_set = (BgL_sc_confzd2setzd2getza2_44za2(sc_state_82, BgL_sc_statezd2num_68zd2, next)));
(conf_set_union(sc_state_82, next_set, next, BgL_sc_confzd2set_79zd2));
(l = (l.cdr));
}
else
(l = (l.cdr));
}
}
}
else
{
(preds = (sc_predictors_71[(step+BgL_sc_nbzd2nts_81zd2)]));
(sc_states_78 = sc_states_67);
(state = sc_state_82);
(BgL_sc_statezd2num_77zd2 = BgL_sc_statezd2num_68zd2);
(BgL_sc_confzd2set_76zd2 = BgL_sc_confzd2set_79zd2);
sc_loop1_75 = function(l) {
var sc_state_83;
var BgL_sc_nextzd2set_84zd2;
var sc_next_85;
var pred_set;
var i;
var pred;
if ((l instanceof sc_Pair))
{
(pred = (l.car));
(i = head);
while ((i>=(0))) {
{
(pred_set = ((sc_state_83 = (sc_states_78[i])), (sc_state_83[(pred+(1))])));
if ((pred_set!== false))
{
(sc_next_85 = (pred+(1)));
(BgL_sc_nextzd2set_84zd2 = (BgL_sc_confzd2setzd2getza2_44za2(state, BgL_sc_statezd2num_77zd2, sc_next_85)));
(conf_set_union(state, BgL_sc_nextzd2set_84zd2, sc_next_85, pred_set));
}
(i = (BgL_sc_confzd2set_76zd2[(i+(5))]));
}
}
return (sc_loop1_75((l.cdr)));
}
else
return undefined;
};
(sc_loop1_75(preds));
}
}
else
return undefined;
}
}
}
};
is_parsed = function(nt, i, j, sc_nts_86, sc_enders_87, sc_states_88) {
var conf_set;
var state;
var sc_conf_89;
var l;
var BgL_sc_ntza2_90za2;
{
(BgL_sc_ntza2_90za2 = (sc_ind_43(nt, sc_nts_86)));
if ((BgL_sc_ntza2_90za2!== false))
{
(sc_nts_86.length);
(l = (sc_enders_87[BgL_sc_ntza2_90za2]));
while (true) {
if ((l instanceof sc_Pair))
{
(sc_conf_89 = (l.car));
if ((((state = (sc_states_88[j])), (conf_set = (state[(sc_conf_89+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
return true;
else
(l = (l.cdr));
}
else
return false;
}
}
else
return false;
}
};
deriv_trees = function(sc_conf_91, i, j, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2) {
var sc_loop1_98;
var prev;
var name;
return ((name = (sc_names_94[sc_conf_91])), ((name!== false)?((sc_conf_91<BgL_sc_nbzd2nts_97zd2)?(sc_list((sc_list(name, ((sc_toks_95[i]).car))))):(sc_list((sc_list(name))))):((prev = (sc_conf_91-(1))), (sc_loop1_98 = function(l1, l2) {
var loop2;
var ender_set;
var state;
var ender;
var l1;
var l2;
while (true) {
if ((l1 instanceof sc_Pair))
{
(ender = (l1.car));
(ender_set = ((state = (sc_states_96[j])), (state[(ender+(1))])));
if ((ender_set!== false))
{
loop2 = function(k, l2) {
var loop3;
var ender_trees;
var prev_trees;
var conf_set;
var sc_state_99;
var k;
var l2;
while (true) {
if ((k>=(0)))
if (((k>=i)&&(((sc_state_99 = (sc_states_96[k])), (conf_set = (sc_state_99[(prev+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)))
{
(prev_trees = (deriv_trees(prev, i, k, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2)));
(ender_trees = (deriv_trees(ender, k, j, sc_enders_92, sc_steps_93, sc_names_94, sc_toks_95, sc_states_96, BgL_sc_nbzd2nts_97zd2)));
loop3 = function(l3, l2) {
var l4;
var sc_l2_100;
var ender_tree;
if ((l3 instanceof sc_Pair))
{
(ender_tree = (sc_list((l3.car))));
(l4 = prev_trees);
(sc_l2_100 = l2);
while ((l4 instanceof sc_Pair)) {
{
(sc_l2_100 = (new sc_Pair((sc_append((l4.car), ender_tree)), sc_l2_100)));
(l4 = (l4.cdr));
}
}
return (loop3((l3.cdr), sc_l2_100));
}
else
return (loop2((ender_set[(k+(5))]), l2));
};
return (loop3(ender_trees, l2));
}
else
(k = (ender_set[(k+(5))]));
else
return (sc_loop1_98((l1.cdr), l2));
}
};
return (loop2((ender_set[(2)]), l2));
}
else
(l1 = (l1.cdr));
}
else
return l2;
}
}), (sc_loop1_98((sc_enders_92[(sc_steps_93[prev])]), null)))));
};
BgL_sc_derivzd2treesza2_47z70 = function(nt, i, j, sc_nts_101, sc_enders_102, sc_steps_103, sc_names_104, sc_toks_105, sc_states_106) {
var conf_set;
var state;
var sc_conf_107;
var l;
var trees;
var BgL_sc_nbzd2nts_108zd2;
var BgL_sc_ntza2_109za2;
{
(BgL_sc_ntza2_109za2 = (sc_ind_43(nt, sc_nts_101)));
if ((BgL_sc_ntza2_109za2!== false))
{
(BgL_sc_nbzd2nts_108zd2 = (sc_nts_101.length));
(l = (sc_enders_102[BgL_sc_ntza2_109za2]));
(trees = null);
while ((l instanceof sc_Pair)) {
{
(sc_conf_107 = (l.car));
if ((((state = (sc_states_106[j])), (conf_set = (state[(sc_conf_107+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
{
(l = (l.cdr));
(trees = (sc_append((deriv_trees(sc_conf_107, i, j, sc_enders_102, sc_steps_103, sc_names_104, sc_toks_105, sc_states_106, BgL_sc_nbzd2nts_108zd2)), trees)));
}
else
(l = (l.cdr));
}
}
return trees;
}
else
return false;
}
};
nb_deriv_trees = function(sc_conf_110, i, j, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2) {
var sc_loop1_116;
var tmp1124;
var prev;
return ((prev = (sc_conf_110-(1))), ((((tmp1124 = (sc_conf_110<BgL_sc_nbzd2nts_115zd2)), ((tmp1124!== false)?tmp1124:((sc_steps_112[prev])<(0))))!== false)?(1):((sc_loop1_116 = function(l, sc_n_118) {
var nb_ender_trees;
var nb_prev_trees;
var conf_set;
var state;
var k;
var n;
var ender_set;
var sc_state_117;
var ender;
var l;
var sc_n_118;
while (true) {
if ((l instanceof sc_Pair))
{
(ender = (l.car));
(ender_set = ((sc_state_117 = (sc_states_114[j])), (sc_state_117[(ender+(1))])));
if ((ender_set!== false))
{
(k = (ender_set[(2)]));
(n = sc_n_118);
while ((k>=(0))) {
if (((k>=i)&&(((state = (sc_states_114[k])), (conf_set = (state[(prev+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false)))
{
(nb_prev_trees = (nb_deriv_trees(prev, i, k, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2)));
(nb_ender_trees = (nb_deriv_trees(ender, k, j, sc_enders_111, sc_steps_112, sc_toks_113, sc_states_114, BgL_sc_nbzd2nts_115zd2)));
(k = (ender_set[(k+(5))]));
(n +=(nb_prev_trees*nb_ender_trees));
}
else
(k = (ender_set[(k+(5))]));
}
return (sc_loop1_116((l.cdr), n));
}
else
(l = (l.cdr));
}
else
return sc_n_118;
}
}), (sc_loop1_116((sc_enders_111[(sc_steps_112[prev])]), (0))))));
};
BgL_sc_nbzd2derivzd2treesza2_48za2 = function(nt, i, j, sc_nts_119, sc_enders_120, sc_steps_121, sc_toks_122, sc_states_123) {
var conf_set;
var state;
var sc_conf_124;
var l;
var nb_trees;
var BgL_sc_nbzd2nts_125zd2;
var BgL_sc_ntza2_126za2;
{
(BgL_sc_ntza2_126za2 = (sc_ind_43(nt, sc_nts_119)));
if ((BgL_sc_ntza2_126za2!== false))
{
(BgL_sc_nbzd2nts_125zd2 = (sc_nts_119.length));
(l = (sc_enders_120[BgL_sc_ntza2_126za2]));
(nb_trees = (0));
while ((l instanceof sc_Pair)) {
{
(sc_conf_124 = (l.car));
if ((((state = (sc_states_123[j])), (conf_set = (state[(sc_conf_124+(1))])), ((conf_set!== false)?(conf_set[(i+(5))]):false))!== false))
{
(l = (l.cdr));
(nb_trees = ((nb_deriv_trees(sc_conf_124, i, j, sc_enders_120, sc_steps_121, sc_toks_122, sc_states_123, BgL_sc_nbzd2nts_125zd2))+nb_trees));
}
else
(l = (l.cdr));
}
}
return nb_trees;
}
else
return false;
}
};
(lexer = (parser_descr[(0)]));
(sc_nts_42 = (parser_descr[(1)]));
(sc_starters_41 = (parser_descr[(2)]));
(sc_enders_40 = (parser_descr[(3)]));
(sc_predictors_39 = (parser_descr[(4)]));
(sc_steps_38 = (parser_descr[(5)]));
(sc_names_37 = (parser_descr[(6)]));
(falseHead1128 = (new sc_Pair(null, null)));
(L1125 = (lexer(input)));
(tail1129 = falseHead1128);
while (!(L1125 === null)) {
{
(tok = (L1125.car));
(l1 = (tok.cdr));
(l2 = null);
while ((l1 instanceof sc_Pair)) {
{
(sc_i_29 = (sc_ind_43((l1.car), sc_nts_42)));
if ((sc_i_29!== false))
{
(l1 = (l1.cdr));
(l2 = (new sc_Pair(sc_i_29, l2)));
}
else
(l1 = (l1.cdr));
}
}
(sc_optrOpnd_22 = (new sc_Pair((tok.car), (sc_reverse(l2)))));
(sc_optrOpnd_21 = (new sc_Pair(sc_optrOpnd_22, null)));
(tail1129.cdr = sc_optrOpnd_21);
(tail1129 = (tail1129.cdr));
(L1125 = (L1125.cdr));
}
}
(sc_optrOpnd_20 = (falseHead1128.cdr));
(sc_toks_36 = (sc_list2vector(sc_optrOpnd_20)));
(BgL_sc_nbzd2toks_35zd2 = (sc_toks_36.length));
(BgL_sc_nbzd2confs_34zd2 = (sc_steps_38.length));
(sc_states_33 = (make_states(BgL_sc_nbzd2toks_35zd2, BgL_sc_nbzd2confs_34zd2)));
(goal_starters = (sc_starters_41[(0)]));
(BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (0), goal_starters, (0)));
(forw(sc_states_33, (0), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42));
(sc_i_28 = (0));
while ((sc_i_28<BgL_sc_nbzd2toks_35zd2)) {
{
(tok_nts = ((sc_toks_36[sc_i_28]).cdr));
(BgL_sc_confzd2setzd2adjoinza2_45za2(sc_states_33, (sc_i_28+(1)), tok_nts, sc_i_28));
(forw(sc_states_33, (sc_i_28+(1)), sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_nts_42));
(++sc_i_28);
}
}
(nb_toks = (sc_toks_36.length));
(BgL_sc_nbzd2confs_32zd2 = (sc_steps_38.length));
(BgL_sc_nbzd2nts_31zd2 = (sc_nts_42.length));
(BgL_sc_statesza2_30za2 = (make_states(nb_toks, BgL_sc_nbzd2confs_32zd2)));
(goal_enders = (sc_enders_40[(0)]));
(l = goal_enders);
while ((l instanceof sc_Pair)) {
{
(conf = (l.car));
(BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_33, BgL_sc_statesza2_30za2, nb_toks, conf, (0)));
(l = (l.cdr));
}
}
(i = nb_toks);
while ((i>=(0))) {
{
(states = sc_states_33);
(BgL_sc_statesza2_27za2 = BgL_sc_statesza2_30za2);
(state_num = i);
(sc_enders_26 = sc_enders_40);
(sc_steps_25 = sc_steps_38);
(BgL_sc_nbzd2nts_24zd2 = BgL_sc_nbzd2nts_31zd2);
(toks = sc_toks_36);
(BgL_sc_stateza2_23za2 = (BgL_sc_statesza2_30za2[i]));
loop1 = function() {
var sc_loop1_127;
var prev;
var BgL_sc_statesza2_128za2;
var sc_states_129;
var j;
var i;
var sc_i_130;
var head;
var conf_set;
var sc_conf_131;
{
(sc_conf_131 = (BgL_sc_stateza2_23za2[(0)]));
if ((sc_conf_131>=(0)))
{
(conf_set = (BgL_sc_stateza2_23za2[(sc_conf_131+(1))]));
(head = (conf_set[(4)]));
(BgL_sc_stateza2_23za2[(0)] = (conf_set[(0)]));
(conf_set_merge_new_bang(conf_set));
(sc_i_130 = head);
while ((sc_i_130>=(0))) {
{
(i = sc_i_130);
(j = state_num);
(sc_states_129 = states);
(BgL_sc_statesza2_128za2 = BgL_sc_statesza2_27za2);
(prev = (sc_conf_131-(1)));
if (((sc_conf_131>=BgL_sc_nbzd2nts_24zd2)&&((sc_steps_25[prev])>=(0))))
{
sc_loop1_127 = function(l) {
var k;
var ender_set;
var state;
var ender;
var l;
while (true) {
if ((l instanceof sc_Pair))
{
(ender = (l.car));
(ender_set = ((state = (sc_states_129[j])), (state[(ender+(1))])));
if ((ender_set!== false))
{
(k = (ender_set[(2)]));
while ((k>=(0))) {
{
if ((k>=i))
if (((BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, k, prev, i))!== false))
(BgL_sc_confzd2setzd2adjoinza2za2_46z00(sc_states_129, BgL_sc_statesza2_128za2, j, ender, k));
(k = (ender_set[(k+(5))]));
}
}
return (sc_loop1_127((l.cdr)));
}
else
(l = (l.cdr));
}
else
return undefined;
}
};
(sc_loop1_127((sc_enders_26[(sc_steps_25[prev])])));
}
(sc_i_130 = (conf_set[(sc_i_130+(5))]));
}
}
return (loop1());
}
else
return undefined;
}
};
(loop1());
(--i);
}
}
(optrOpnd = BgL_sc_statesza2_30za2);
return [sc_nts_42, sc_starters_41, sc_enders_40, sc_predictors_39, sc_steps_38, sc_names_37, sc_toks_36, optrOpnd, is_parsed, BgL_sc_derivzd2treesza2_47z70, BgL_sc_nbzd2derivzd2treesza2_48za2];
}
};
}
};
BgL_parsezd2ze3parsedzf3zc2 = function(parse, nt, i, j) {
var is_parsed;
var states;
var enders;
var nts;
return ((nts = (parse[(0)])), (enders = (parse[(2)])), (states = (parse[(7)])), (is_parsed = (parse[(8)])), (is_parsed(nt, i, j, nts, enders, states)));
};
BgL_parsezd2ze3treesz31 = function(parse, nt, i, j) {
var BgL_sc_derivzd2treesza2_132z70;
var states;
var toks;
var names;
var steps;
var enders;
var nts;
return ((nts = (parse[(0)])), (enders = (parse[(2)])), (steps = (parse[(4)])), (names = (parse[(5)])), (toks = (parse[(6)])), (states = (parse[(7)])), (BgL_sc_derivzd2treesza2_132z70 = (parse[(9)])), (BgL_sc_derivzd2treesza2_132z70(nt, i, j, nts, enders, steps, names, toks, states)));
};
BgL_parsezd2ze3nbzd2treesze3 = function(parse, nt, i, j) {
var BgL_sc_nbzd2derivzd2treesza2_133za2;
var states;
var toks;
var steps;
var enders;
var nts;
return ((nts = (parse[(0)])), (enders = (parse[(2)])), (steps = (parse[(4)])), (toks = (parse[(6)])), (states = (parse[(7)])), (BgL_sc_nbzd2derivzd2treesza2_133za2 = (parse[(10)])), (BgL_sc_nbzd2derivzd2treesza2_133za2(nt, i, j, nts, enders, steps, toks, states)));
};
test = function(k) {
var x;
var p;
return ((p = (BgL_makezd2parserzd2(const_earley, function(l) {
var sc_x_134;
var tail1134;
var L1130;
var falseHead1133;
{
(falseHead1133 = (new sc_Pair(null, null)));
(tail1134 = falseHead1133);
(L1130 = l);
while (!(L1130 === null)) {
{
(tail1134.cdr = (new sc_Pair(((sc_x_134 = (L1130.car)), (sc_list(sc_x_134, sc_x_134))), null)));
(tail1134 = (tail1134.cdr));
(L1130 = (L1130.cdr));
}
}
return (falseHead1133.cdr);
}
}))), (x = (p((sc_vector2list((sc_makeVector(k, "\u1E9Ca"))))))), (sc_length((BgL_parsezd2ze3treesz31(x, "\u1E9Cs", (0), k)))));
};
BgL_earleyzd2benchmarkzd2 = function() {
var args = null;
for (var sc_tmp = arguments.length - 1; sc_tmp >= 0; sc_tmp--) {
args = sc_cons(arguments[sc_tmp], args);
}
var k;
return ((k = ((args === null)?(7):(args.car))), (BgL_runzd2benchmarkzd2("earley", (1), function() {
return (test(k));
}, function(result) {
return ((sc_display(result)), (sc_newline()), result == 132);
})));
};
}
/************* END OF GENERATED CODE *************/
// Invoke this function to run a benchmark.
// The first argument is a string identifying the benchmark.
// The second argument is the number of times to run the benchmark.
// The third argument is a function that runs the benchmark.
// The fourth argument is a unary function that warns if the result
// returned by the benchmark is incorrect.
//
// Example:
// RunBenchmark("new Array()",
// 1,
// function () { new Array(1000000); }
// function (v) {
// return (v instanceof Array) && (v.length == 1000000);
// });
SC_DEFAULT_OUT = new sc_GenericOutputPort(function(s) {});
SC_ERROR_OUT = SC_DEFAULT_OUT;
function RunBenchmark(name, count, run, warn) {
for (var n = 0; n < count; ++n) {
result = run();
if (!warn(result)) {
throw new Error("Earley or Boyer did incorrect number of rewrites");
}
}
}
var BgL_runzd2benchmarkzd2 = RunBenchmark;
for (var i = 0; i < 4; ++i) {
BgL_earleyzd2benchmarkzd2();
BgL_nboyerzd2benchmarkzd2();
}