assemblyscript/std/portable.js
2018-02-25 00:13:39 +01:00

150 lines
4.4 KiB
JavaScript

var globalScope = typeof window !== "undefined" && window || typeof global !== "undefined" && global || self;
Object.defineProperties(
globalScope["i8"] = function i8(value) { return value << 24 >> 24; }
, {
"MIN_VALUE": { value: -128, writable: false },
"MAX_VALUE": { value: 127, writable: false }
});
Object.defineProperties(
globalScope["i16"] = function i16(value) { return value << 16 >> 16; }
, {
"MIN_VALUE": { value: -32768, writable: false },
"MAX_VALUE": { value: 32767, writable: false }
});
Object.defineProperties(
globalScope["i32"] = globalScope["isize"] = function i32(value) { return value | 0; }
, {
"MIN_VALUE": { value: -2147483648, writable: false },
"MAX_VALUE": { value: 2147483647, writable: false }
});
Object.defineProperties(
globalScope["u8"] = function u8(value) { return value & 0xff; }
, {
"MIN_VALUE": { value: 0, writable: false },
"MAX_VALUE": { value: 255, writable: false }
});
Object.defineProperties(
globalScope["u16"] = function u16(value) { return value & 0xffff; }
, {
"MIN_VALUE": { value: 0, writable: false },
"MAX_VALUE": { value: 65535, writable: false }
});
Object.defineProperties(
globalScope["u32"] = globalScope["usize"] = function u32(value) { return value >>> 0; }
, {
"MIN_VALUE": { value: 0, writable: false },
"MAX_VALUE": { value: 4294967295, writable: false }
});
Object.defineProperties(
globalScope["bool"] = function bool(value) { return !!value; }
, {
"MIN_VALUE": { value: 0, writable: false },
"MAX_VALUE": { value: 1, writable: false }
});
Object.defineProperties(
globalScope["f32"] = function f32(value) { return Math.fround(value); }
, {
"MIN_VALUE": { value: Math.fround(-3.40282347e+38), writable: false },
"MAX_VALUE": { value: Math.fround(3.40282347e+38), writable: false },
"MIN_SAFE_INTEGER": { value: -16777215, writable: false },
"MAX_SAFE_INTEGER": { value: 16777215, writable: false },
"EPSILON": { value: Math.fround(1.19209290e-07), writable: false }
});
Object.defineProperties(
globalScope["f64"] = function f64(value) { return +value; }
, {
"MIN_VALUE": { value: -1.7976931348623157e+308, writable: false },
"MAX_VALUE": { value: 1.7976931348623157e+308, writable: false },
"MIN_SAFE_INTEGER": { value: -9007199254740991, writable: false },
"MAX_SAFE_INTEGER": { value: 9007199254740991, writable: false },
"EPSILON": { value: 2.2204460492503131e-16, writable: false }
});
globalScope["clz"] = Math.clz32;
globalScope["abs"] = Math.abs;
globalScope["max"] = Math.max;
globalScope["min"] = Math.min;
globalScope["ceil"] = Math.ceil;
globalScope["floor"] = Math.floor;
globalScope["select"] = function select(ifTrue, ifFalse, condition) {
return condition ? ifTrue : ifFalse;
};
globalScope["sqrt"] = Math.sqrt;
globalScope["trunc"] = Math.trunc;
globalScope["bswap"] = function bswap(value) {
var a = value >> 8 & 0x00FF00FF;
var b = (value & 0x00FF00FF) << 8;
value = a | b;
a = value >> 16 & 0x0000FFFF;
b = (value & 0x0000FFFF) << 16;
return a | b;
};
globalScope["bswap16"] = function bswap16(value) {
return ((value << 8) & 0xFF00) | ((value >> 8) & 0x00FF) | (value & 0xFFFF0000);
};
function UnreachableError() {
if (Error.captureStackTrace) {
Error.captureStackTrace(this, UnreachableError);
} else {
this.stack = this.name + ": " + this.message + "\n" + new Error().stack;
}
}
UnreachableError.prototype = Object.create(Error.prototype);
UnreachableError.prototype.name = "UnreachableError";
UnreachableError.prototype.message = "unreachable";
globalScope["unreachable"] = function unreachable() {
throw new UnreachableError();
};
function AssertionError(message) {
this.message = message || "assertion failed";
if (Error.captureStackTrace) {
Error.captureStackTrace(this, AssertionError);
} else {
this.stack = this.name + ": " + this.message + "\n" + new Error().stack;
}
}
AssertionError.prototype = Object.create(Error.prototype);
AssertionError.prototype.name = "AssertionError";
globalScope["assert"] = function assert(isTrueish, message) {
if (isTrueish) return isTrueish;
throw new AssertionError(message);
};
globalScope["changetype"] = function changetype(value) {
return value;
};
globalScope["parseI32"] = function parseI32(str, radix) {
return parseInt(str, undefined) | 0;
};
String["fromCharCodes"] = function fromCharCodes(arr) {
return String.fromCharCode.apply(String, arr);
};
String["fromCodePoints"] = function fromCodePoints(arr) {
return String.fromCodePoint.apply(String, arr);
};