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Refactor number and string utils out of builtins, fixes #608

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dcode
2019-06-06 16:19:10 +02:00
parent 0484a6b740
commit 4680b530fb
23 changed files with 988 additions and 979 deletions
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31
std/assembly/number.ts
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@ -1,5 +1,26 @@
import { itoa, dtoa } from "./util/number";
import { isNaN as builtin_isNaN, isFinite as builtin_isFinite } from "./builtins";
// @ts-ignore: decorator
@builtin @inline
export const NaN: f64 = 0 / 0;
// @ts-ignore: decorator
@builtin @inline
export const Infinity: f64 = 1 / 0;
export function isNaN<T extends number>(value: T): bool {
if (!isFloat<T>()) {
if (!isInteger<T>()) ERROR("numeric type expected");
}
return value != value;
}
export function isFinite<T extends number>(value: T): bool {
if (!isFloat<T>()) {
if (!isInteger<T>()) ERROR("numeric type expected");
}
return value - value == 0;
}
@sealed @unmanaged
export abstract class I8 {
@ -331,11 +352,11 @@ export abstract class F64 {
static readonly NaN: f64 = NaN;
static isNaN(value: f64): bool {
return builtin_isNaN<f64>(value);
return isNaN<f64>(value);
}
static isFinite(value: f64): bool {
return builtin_isFinite<f64>(value);
return isFinite<f64>(value);
}
static isSafeInteger(value: f64): bool {
@ -343,7 +364,7 @@ export abstract class F64 {
}
static isInteger(value: f64): bool {
return builtin_isFinite<f64>(value) && trunc<f64>(value) == value;
return isFinite<f64>(value) && trunc<f64>(value) == value;
}
static parseInt(value: string, radix: i32 = 0): f64 {
@ -354,7 +375,7 @@ export abstract class F64 {
return parseFloat(value);
}
toString(this: f64): String {
toString(this: f64, radix: i32 = 0): String {
// TODO: radix
return dtoa(this);
}