192 lines
3.4 KiB
JavaScript
192 lines
3.4 KiB
JavaScript
|
|
||
|
|
||
|
import * as Curry from "./curry.js";
|
||
|
import * as Belt_Array from "./belt_Array.js";
|
||
|
|
||
|
function copyBucket(c) {
|
||
|
if (c === undefined) {
|
||
|
return c;
|
||
|
}
|
||
|
var head = {
|
||
|
key: c.key,
|
||
|
next: undefined
|
||
|
};
|
||
|
copyAuxCont(c.next, head);
|
||
|
return head;
|
||
|
}
|
||
|
|
||
|
function copyAuxCont(_c, _prec) {
|
||
|
while(true) {
|
||
|
var prec = _prec;
|
||
|
var c = _c;
|
||
|
if (c === undefined) {
|
||
|
return ;
|
||
|
}
|
||
|
var ncopy = {
|
||
|
key: c.key,
|
||
|
next: undefined
|
||
|
};
|
||
|
prec.next = ncopy;
|
||
|
_prec = ncopy;
|
||
|
_c = c.next;
|
||
|
continue ;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function copyBuckets(buckets) {
|
||
|
var len = buckets.length;
|
||
|
var newBuckets = new Array(len);
|
||
|
for(var i = 0; i < len; ++i){
|
||
|
newBuckets[i] = copyBucket(buckets[i]);
|
||
|
}
|
||
|
return newBuckets;
|
||
|
}
|
||
|
|
||
|
function copy(x) {
|
||
|
return {
|
||
|
size: x.size,
|
||
|
buckets: copyBuckets(x.buckets),
|
||
|
hash: x.hash,
|
||
|
eq: x.eq
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function bucketLength(_accu, _buckets) {
|
||
|
while(true) {
|
||
|
var buckets = _buckets;
|
||
|
var accu = _accu;
|
||
|
if (buckets === undefined) {
|
||
|
return accu;
|
||
|
}
|
||
|
_buckets = buckets.next;
|
||
|
_accu = accu + 1 | 0;
|
||
|
continue ;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function doBucketIter(f, _buckets) {
|
||
|
while(true) {
|
||
|
var buckets = _buckets;
|
||
|
if (buckets === undefined) {
|
||
|
return ;
|
||
|
}
|
||
|
f(buckets.key);
|
||
|
_buckets = buckets.next;
|
||
|
continue ;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function forEachU(h, f) {
|
||
|
var d = h.buckets;
|
||
|
for(var i = 0 ,i_finish = d.length; i < i_finish; ++i){
|
||
|
doBucketIter(f, d[i]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function forEach(h, f) {
|
||
|
forEachU(h, Curry.__1(f));
|
||
|
}
|
||
|
|
||
|
function fillArray(_i, arr, _cell) {
|
||
|
while(true) {
|
||
|
var cell = _cell;
|
||
|
var i = _i;
|
||
|
arr[i] = cell.key;
|
||
|
var v = cell.next;
|
||
|
if (v === undefined) {
|
||
|
return i + 1 | 0;
|
||
|
}
|
||
|
_cell = v;
|
||
|
_i = i + 1 | 0;
|
||
|
continue ;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function toArray(h) {
|
||
|
var d = h.buckets;
|
||
|
var current = 0;
|
||
|
var arr = new Array(h.size);
|
||
|
for(var i = 0 ,i_finish = d.length; i < i_finish; ++i){
|
||
|
var cell = d[i];
|
||
|
if (cell !== undefined) {
|
||
|
current = fillArray(current, arr, cell);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
return arr;
|
||
|
}
|
||
|
|
||
|
function doBucketFold(f, _b, _accu) {
|
||
|
while(true) {
|
||
|
var accu = _accu;
|
||
|
var b = _b;
|
||
|
if (b === undefined) {
|
||
|
return accu;
|
||
|
}
|
||
|
_accu = f(accu, b.key);
|
||
|
_b = b.next;
|
||
|
continue ;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function reduceU(h, init, f) {
|
||
|
var d = h.buckets;
|
||
|
var accu = init;
|
||
|
for(var i = 0 ,i_finish = d.length; i < i_finish; ++i){
|
||
|
accu = doBucketFold(f, d[i], accu);
|
||
|
}
|
||
|
return accu;
|
||
|
}
|
||
|
|
||
|
function reduce(h, init, f) {
|
||
|
return reduceU(h, init, Curry.__2(f));
|
||
|
}
|
||
|
|
||
|
function getMaxBucketLength(h) {
|
||
|
return Belt_Array.reduceU(h.buckets, 0, (function (m, b) {
|
||
|
var len = bucketLength(0, b);
|
||
|
if (m > len) {
|
||
|
return m;
|
||
|
} else {
|
||
|
return len;
|
||
|
}
|
||
|
}));
|
||
|
}
|
||
|
|
||
|
function getBucketHistogram(h) {
|
||
|
var mbl = getMaxBucketLength(h);
|
||
|
var histo = Belt_Array.makeByU(mbl + 1 | 0, (function (param) {
|
||
|
return 0;
|
||
|
}));
|
||
|
Belt_Array.forEachU(h.buckets, (function (b) {
|
||
|
var l = bucketLength(0, b);
|
||
|
histo[l] = histo[l] + 1 | 0;
|
||
|
}));
|
||
|
return histo;
|
||
|
}
|
||
|
|
||
|
function logStats(h) {
|
||
|
var histogram = getBucketHistogram(h);
|
||
|
console.log({
|
||
|
bindings: h.size,
|
||
|
buckets: h.buckets.length,
|
||
|
histogram: histogram
|
||
|
});
|
||
|
}
|
||
|
|
||
|
var C;
|
||
|
|
||
|
export {
|
||
|
C ,
|
||
|
copy ,
|
||
|
forEachU ,
|
||
|
forEach ,
|
||
|
fillArray ,
|
||
|
toArray ,
|
||
|
reduceU ,
|
||
|
reduce ,
|
||
|
logStats ,
|
||
|
getBucketHistogram ,
|
||
|
}
|
||
|
/* No side effect */
|