@rescript/std
Version:
The motiviation of this repo is that when ReScript users want to share their library with JS users, the JS users don't need have ReScript toolchain installed, this makes sharing code with JS users easier (more details on that topic can be found in our [Ex
804 lines (764 loc) • 19.1 kB
JavaScript
import * as Caml from "./caml.js";
import * as Caml_int64 from "./caml_int64.js";
function parse_digit(c) {
if (c >= 65) {
if (c >= 97) {
if (c >= 123) {
return -1;
} else {
return c - 87 | 0;
}
} else if (c >= 91) {
return -1;
} else {
return c - 55 | 0;
}
} else if (c > 57 || c < 48) {
return -1;
} else {
return c - /* '0' */48 | 0;
}
}
function int_of_string_base(param) {
switch (param) {
case "Oct" :
return 8;
case "Hex" :
return 16;
case "Dec" :
return 10;
case "Bin" :
return 2;
}
}
function parse_sign_and_base(s) {
var sign = 1;
var base = "Dec";
var i = 0;
var match = s.codePointAt(i);
switch (match) {
case 43 :
i = i + 1 | 0;
break;
case 45 :
sign = -1;
i = i + 1 | 0;
break;
default:
}
if (s.codePointAt(i) === /* '0' */48) {
var match$1 = s.codePointAt(i + 1 | 0);
if (match$1 >= 89) {
if (match$1 >= 111) {
if (match$1 < 121) {
switch (match$1) {
case 111 :
base = "Oct";
i = i + 2 | 0;
break;
case 117 :
i = i + 2 | 0;
break;
case 112 :
case 113 :
case 114 :
case 115 :
case 116 :
case 118 :
case 119 :
break;
case 120 :
base = "Hex";
i = i + 2 | 0;
break;
}
}
} else if (match$1 === 98) {
base = "Bin";
i = i + 2 | 0;
}
} else if (match$1 !== 66) {
if (match$1 >= 79) {
switch (match$1) {
case 79 :
base = "Oct";
i = i + 2 | 0;
break;
case 85 :
i = i + 2 | 0;
break;
case 80 :
case 81 :
case 82 :
case 83 :
case 84 :
case 86 :
case 87 :
break;
case 88 :
base = "Hex";
i = i + 2 | 0;
break;
}
}
} else {
base = "Bin";
i = i + 2 | 0;
}
}
return [
i,
sign,
base
];
}
function int_of_string(s) {
var match = parse_sign_and_base(s);
var i = match[0];
var base = int_of_string_base(match[2]);
var threshold = 4294967295;
var len = s.length;
var c = i < len ? s.codePointAt(i) : /* '\000' */0;
var d = parse_digit(c);
if (d < 0 || d >= base) {
throw {
RE_EXN_ID: "Failure",
_1: "int_of_string",
Error: new Error()
};
}
var aux = function (_acc, _k) {
while(true) {
var k = _k;
var acc = _acc;
if (k === len) {
return acc;
}
var a = s.codePointAt(k);
if (a === /* '_' */95) {
_k = k + 1 | 0;
continue ;
}
var v = parse_digit(a);
if (v < 0 || v >= base) {
throw {
RE_EXN_ID: "Failure",
_1: "int_of_string",
Error: new Error()
};
}
var acc$1 = base * acc + v;
if (acc$1 > threshold) {
throw {
RE_EXN_ID: "Failure",
_1: "int_of_string",
Error: new Error()
};
}
_k = k + 1 | 0;
_acc = acc$1;
continue ;
};
};
var res = match[1] * aux(d, i + 1 | 0);
var or_res = res | 0;
if (base === 10 && res !== or_res) {
throw {
RE_EXN_ID: "Failure",
_1: "int_of_string",
Error: new Error()
};
}
return or_res;
}
function int64_of_string(s) {
var match = parse_sign_and_base(s);
var hbase = match[2];
var i = match[0];
var base = Caml_int64.of_int32(int_of_string_base(hbase));
var sign = Caml_int64.of_int32(match[1]);
var threshold;
switch (hbase) {
case "Oct" :
threshold = [
536870911,
4294967295
];
break;
case "Hex" :
threshold = [
268435455,
4294967295
];
break;
case "Dec" :
threshold = [
429496729,
2576980377
];
break;
case "Bin" :
threshold = Caml_int64.max_int;
break;
}
var len = s.length;
var c = i < len ? s.codePointAt(i) : /* '\000' */0;
var d = Caml_int64.of_int32(parse_digit(c));
if (Caml.i64_lt(d, Caml_int64.zero) || Caml.i64_ge(d, base)) {
throw {
RE_EXN_ID: "Failure",
_1: "int64_of_string",
Error: new Error()
};
}
var aux = function (_acc, _k) {
while(true) {
var k = _k;
var acc = _acc;
if (k === len) {
return acc;
}
var a = s.codePointAt(k);
if (a === /* '_' */95) {
_k = k + 1 | 0;
continue ;
}
var v = Caml_int64.of_int32(parse_digit(a));
if (Caml.i64_lt(v, Caml_int64.zero) || Caml.i64_ge(v, base) || Caml.i64_gt(acc, threshold)) {
throw {
RE_EXN_ID: "Failure",
_1: "int64_of_string",
Error: new Error()
};
}
var acc$1 = Caml_int64.add(Caml_int64.mul(base, acc), v);
_k = k + 1 | 0;
_acc = acc$1;
continue ;
};
};
var res = Caml_int64.mul(sign, aux(d, i + 1 | 0));
var or_res = Caml_int64.or_(res, Caml_int64.zero);
if (Caml.i64_eq(base, [
0,
10
]) && Caml.i64_neq(res, or_res)) {
throw {
RE_EXN_ID: "Failure",
_1: "int64_of_string",
Error: new Error()
};
}
return or_res;
}
function int_of_base(param) {
switch (param) {
case "Oct" :
return 8;
case "Hex" :
return 16;
case "Dec" :
return 10;
}
}
function lowercase(c) {
if (c >= /* 'A' */65 && c <= /* 'Z' */90 || c >= /* '\192' */192 && c <= /* '\214' */214 || c >= /* '\216' */216 && c <= /* '\222' */222) {
return c + 32 | 0;
} else {
return c;
}
}
function parse_format(fmt) {
var len = fmt.length;
if (len > 31) {
throw {
RE_EXN_ID: "Invalid_argument",
_1: "format_int: format too long",
Error: new Error()
};
}
var f = {
justify: "+",
signstyle: "-",
filter: " ",
alternate: false,
base: "Dec",
signedconv: false,
width: 0,
uppercase: false,
sign: 1,
prec: -1,
conv: "f"
};
var _i = 0;
while(true) {
var i = _i;
if (i >= len) {
return f;
}
var c = fmt.codePointAt(i);
var exit = 0;
if (c >= 69) {
if (c >= 88) {
if (c >= 121) {
exit = 1;
} else {
switch (c) {
case 88 :
f.base = "Hex";
f.uppercase = true;
_i = i + 1 | 0;
continue ;
case 101 :
case 102 :
case 103 :
exit = 5;
break;
case 100 :
case 105 :
exit = 4;
break;
case 111 :
f.base = "Oct";
_i = i + 1 | 0;
continue ;
case 117 :
f.base = "Dec";
_i = i + 1 | 0;
continue ;
case 89 :
case 90 :
case 91 :
case 92 :
case 93 :
case 94 :
case 95 :
case 96 :
case 97 :
case 98 :
case 99 :
case 104 :
case 106 :
case 107 :
case 108 :
case 109 :
case 110 :
case 112 :
case 113 :
case 114 :
case 115 :
case 116 :
case 118 :
case 119 :
exit = 1;
break;
case 120 :
f.base = "Hex";
_i = i + 1 | 0;
continue ;
}
}
} else if (c >= 72) {
exit = 1;
} else {
f.signedconv = true;
f.uppercase = true;
f.conv = String.fromCharCode(lowercase(c));
_i = i + 1 | 0;
continue ;
}
} else {
switch (c) {
case 35 :
f.alternate = true;
_i = i + 1 | 0;
continue ;
case 32 :
case 43 :
exit = 2;
break;
case 45 :
f.justify = "-";
_i = i + 1 | 0;
continue ;
case 46 :
f.prec = 0;
var j = i + 1 | 0;
while((function(j){
return function () {
var w = fmt.codePointAt(j) - /* '0' */48 | 0;
return w >= 0 && w <= 9;
}
}(j))()) {
f.prec = (Math.imul(f.prec, 10) + fmt.codePointAt(j) | 0) - /* '0' */48 | 0;
j = j + 1 | 0;
};
_i = j;
continue ;
case 48 :
f.filter = "0";
_i = i + 1 | 0;
continue ;
case 49 :
case 50 :
case 51 :
case 52 :
case 53 :
case 54 :
case 55 :
case 56 :
case 57 :
exit = 3;
break;
default:
exit = 1;
}
}
switch (exit) {
case 1 :
_i = i + 1 | 0;
continue ;
case 2 :
f.signstyle = String.fromCharCode(c);
_i = i + 1 | 0;
continue ;
case 3 :
f.width = 0;
var j$1 = i;
while((function(j$1){
return function () {
var w = fmt.codePointAt(j$1) - /* '0' */48 | 0;
return w >= 0 && w <= 9;
}
}(j$1))()) {
f.width = (Math.imul(f.width, 10) + fmt.codePointAt(j$1) | 0) - /* '0' */48 | 0;
j$1 = j$1 + 1 | 0;
};
_i = j$1;
continue ;
case 4 :
f.signedconv = true;
f.base = "Dec";
_i = i + 1 | 0;
continue ;
case 5 :
f.signedconv = true;
f.conv = String.fromCharCode(c);
_i = i + 1 | 0;
continue ;
}
};
}
function finish_formatting(config, rawbuffer) {
var justify = config.justify;
var signstyle = config.signstyle;
var filter = config.filter;
var alternate = config.alternate;
var base = config.base;
var signedconv = config.signedconv;
var width = config.width;
var uppercase = config.uppercase;
var sign = config.sign;
var len = rawbuffer.length;
if (signedconv && (sign < 0 || signstyle !== "-")) {
len = len + 1 | 0;
}
if (alternate) {
if (base === "Oct") {
len = len + 1 | 0;
} else if (base === "Hex") {
len = len + 2 | 0;
}
}
var buffer = "";
if (justify === "+" && filter === " ") {
for(var _for = len; _for < width; ++_for){
buffer = buffer + filter;
}
}
if (signedconv) {
if (sign < 0) {
buffer = buffer + "-";
} else if (signstyle !== "-") {
buffer = buffer + signstyle;
}
}
if (alternate && base === "Oct") {
buffer = buffer + "0";
}
if (alternate && base === "Hex") {
buffer = buffer + "0x";
}
if (justify === "+" && filter === "0") {
for(var _for$1 = len; _for$1 < width; ++_for$1){
buffer = buffer + filter;
}
}
buffer = uppercase ? buffer + rawbuffer.toUpperCase() : buffer + rawbuffer;
if (justify === "-") {
for(var _for$2 = len; _for$2 < width; ++_for$2){
buffer = buffer + " ";
}
}
return buffer;
}
function format_int(fmt, i) {
if (fmt === "%d") {
return String(i);
}
var f = parse_format(fmt);
var i$1 = i < 0 ? (
f.signedconv ? (f.sign = -1, (-i >>> 0)) : (i >>> 0)
) : i;
var s = i$1.toString(int_of_base(f.base));
if (f.prec >= 0) {
f.filter = " ";
var n = f.prec - s.length | 0;
if (n > 0) {
s = "0".repeat(n) + s;
}
}
return finish_formatting(f, s);
}
function dec_of_pos_int64(x) {
if (!Caml.i64_lt(x, Caml_int64.zero)) {
return Caml_int64.to_string(x);
}
var wbase = [
0,
10
];
var y = Caml_int64.discard_sign(x);
var match = Caml_int64.div_mod(y, wbase);
var match$1 = Caml_int64.div_mod(Caml_int64.add([
0,
8
], match[1]), wbase);
var quotient = Caml_int64.add(Caml_int64.add([
214748364,
3435973836
], match[0]), match$1[0]);
return Caml_int64.to_string(quotient) + "0123456789"[Caml_int64.to_int32(match$1[1])];
}
function oct_of_int64(x) {
var s = "";
var wbase = [
0,
8
];
var cvtbl = "01234567";
if (Caml.i64_lt(x, Caml_int64.zero)) {
var y = Caml_int64.discard_sign(x);
var match = Caml_int64.div_mod(y, wbase);
var quotient = Caml_int64.add([
268435456,
0
], match[0]);
var modulus = match[1];
s = cvtbl[Caml_int64.to_int32(modulus)] + s;
while(Caml.i64_neq(quotient, Caml_int64.zero)) {
var match$1 = Caml_int64.div_mod(quotient, wbase);
quotient = match$1[0];
modulus = match$1[1];
s = cvtbl[Caml_int64.to_int32(modulus)] + s;
};
} else {
var match$2 = Caml_int64.div_mod(x, wbase);
var quotient$1 = match$2[0];
var modulus$1 = match$2[1];
s = cvtbl[Caml_int64.to_int32(modulus$1)] + s;
while(Caml.i64_neq(quotient$1, Caml_int64.zero)) {
var match$3 = Caml_int64.div_mod(quotient$1, wbase);
quotient$1 = match$3[0];
modulus$1 = match$3[1];
s = cvtbl[Caml_int64.to_int32(modulus$1)] + s;
};
}
return s;
}
function int64_format(fmt, x) {
if (fmt === "%d") {
return Caml_int64.to_string(x);
}
var f = parse_format(fmt);
var x$1 = f.signedconv && Caml.i64_lt(x, Caml_int64.zero) ? (f.sign = -1, Caml_int64.neg(x)) : x;
var match = f.base;
var s;
switch (match) {
case "Oct" :
s = oct_of_int64(x$1);
break;
case "Hex" :
s = Caml_int64.to_hex(x$1);
break;
case "Dec" :
s = dec_of_pos_int64(x$1);
break;
}
var fill_s;
if (f.prec >= 0) {
f.filter = " ";
var n = f.prec - s.length | 0;
fill_s = n > 0 ? "0".repeat(n) + s : s;
} else {
fill_s = s;
}
return finish_formatting(f, fill_s);
}
function format_float(fmt, x) {
var f = parse_format(fmt);
var prec = f.prec < 0 ? 6 : f.prec;
var x$1 = x < 0 ? (f.sign = -1, - x) : x;
var s = "";
if (isNaN(x$1)) {
s = "nan";
f.filter = " ";
} else if (isFinite(x$1)) {
var match = f.conv;
switch (match) {
case "e" :
s = x$1.toExponential(prec);
var i = s.length;
if (s.codePointAt(i - 3 | 0) === /* 'e' */101) {
s = s.slice(0, i - 1 | 0) + ("0" + s.slice(i - 1 | 0));
}
break;
case "f" :
s = x$1.toFixed(prec);
break;
case "g" :
var prec$1 = prec !== 0 ? prec : 1;
s = x$1.toExponential(prec$1 - 1 | 0);
var j = s.indexOf("e");
var exp = Number(s.slice(j + 1 | 0)) | 0;
if (exp < -4 || x$1 >= 1e21 || x$1.toFixed().length > prec$1) {
var i$1 = j - 1 | 0;
while(s.codePointAt(i$1) === /* '0' */48) {
i$1 = i$1 - 1 | 0;
};
if (s.codePointAt(i$1) === /* '.' */46) {
i$1 = i$1 - 1 | 0;
}
s = s.slice(0, i$1 + 1 | 0) + s.slice(j);
var i$2 = s.length;
if (s.codePointAt(i$2 - 3 | 0) === /* 'e' */101) {
s = s.slice(0, i$2 - 1 | 0) + ("0" + s.slice(i$2 - 1 | 0));
}
} else {
var p = prec$1;
if (exp < 0) {
p = p - (exp + 1 | 0) | 0;
s = x$1.toFixed(p);
} else {
while((function () {
s = x$1.toFixed(p);
return s.length > (prec$1 + 1 | 0);
})()) {
p = p - 1 | 0;
};
}
if (p !== 0) {
var k = s.length - 1 | 0;
while(s.codePointAt(k) === /* '0' */48) {
k = k - 1 | 0;
};
if (s.codePointAt(k) === /* '.' */46) {
k = k - 1 | 0;
}
s = s.slice(0, k + 1 | 0);
}
}
break;
default:
}
} else {
s = "inf";
f.filter = " ";
}
return finish_formatting(f, s);
}
var hexstring_of_float = (function(x,prec,style){
if (!isFinite(x)) {
if (isNaN(x)) return "nan";
return x > 0 ? "infinity":"-infinity";
}
var sign = (x==0 && 1/x == -Infinity)?1:(x>=0)?0:1;
if(sign) x = -x;
var exp = 0;
if (x == 0) { }
else if (x < 1) {
while (x < 1 && exp > -1022) { x *= 2; exp-- }
} else {
while (x >= 2) { x /= 2; exp++ }
}
var exp_sign = exp < 0 ? '' : '+';
var sign_str = '';
if (sign) sign_str = '-'
else {
switch(style){
case 43 /* '+' */: sign_str = '+'; break;
case 32 /* ' ' */: sign_str = ' '; break;
default: break;
}
}
if (prec >= 0 && prec < 13) {
/* If a precision is given, and is small, round mantissa accordingly */
var cst = Math.pow(2,prec * 4);
x = Math.round(x * cst) / cst;
}
var x_str = x.toString(16);
if(prec >= 0){
var idx = x_str.indexOf('.');
if(idx<0) {
x_str += '.' + '0'.repeat(prec);
}
else {
var size = idx+1+prec;
if(x_str.length < size)
x_str += '0'.repeat(size - x_str.length);
else
x_str = x_str.substr(0,size);
}
}
return (sign_str + '0x' + x_str + 'p' + exp_sign + exp.toString(10));
});
var float_of_string = (function(s,exn){
var res = +s;
if ((s.length > 0) && (res === res))
return res;
s = s.replace(/_/g, "");
res = +s;
if (((s.length > 0) && (res === res)) || /^[+-]?nan$/i.test(s)) {
return res;
};
var m = /^ *([+-]?)0x([0-9a-f]+)\.?([0-9a-f]*)p([+-]?[0-9]+)/i.exec(s);
// 1 2 3 4
if(m){
var m3 = m[3].replace(/0+$/,'');
var mantissa = parseInt(m[1] + m[2] + m3, 16);
var exponent = (m[4]|0) - 4*m3.length;
res = mantissa * Math.pow(2, exponent);
return res;
}
if (/^\+?inf(inity)?$/i.test(s))
return Infinity;
if (/^-inf(inity)?$/i.test(s))
return -Infinity;
throw exn;
});
function float_of_string$1(s) {
return float_of_string(s, {
RE_EXN_ID: "Failure",
_1: "float_of_string"
});
}
export {
format_float ,
hexstring_of_float ,
format_int ,
float_of_string$1 as float_of_string,
int64_format ,
int_of_string ,
int64_of_string ,
}
/* No side effect */