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stdlib unlink wiring

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dcode
2019-03-20 17:12:33 +01:00
parent 9b664dc175
commit 952ac8627d
6 changed files with 65 additions and 59 deletions
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23
std/assembly/fixedarray.ts
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@ -1,4 +1,4 @@
import { ALLOCATE, REGISTER, MAX_BYTELENGTH, HEADER, HEADER_SIZE, LINK } from "./runtime";
import { ALLOCATE, REGISTER, MAX_BYTELENGTH, HEADER, HEADER_SIZE, LINK, UNLINK } from "./runtime";
// NOTE: DO NOT USE YET!
@ -22,16 +22,12 @@ export class FixedArray<T> {
@operator("[]") private __get(index: i32): T {
if (<u32>index >= <u32>this.length) throw new RangeError("Offset out of bounds");
return load<T>(changetype<usize>(this) + (<usize>index << alignof<T>()));
return this.__unchecked_get(index);
}
@operator("[]=") private __set(index: i32, value: T): void {
if (<u32>index >= <u32>this.length) throw new RangeError("Offset out of bounds");
store<T>(changetype<usize>(this) + (<usize>index << alignof<T>()),
isManaged<T>()
? LINK<T,this>(value, this)
: value
);
return this.__unchecked_set(index, value);
}
@operator("{}") private __unchecked_get(index: i32): T {
@ -39,10 +35,13 @@ export class FixedArray<T> {
}
@operator("{}=") private __unchecked_set(index: i32, value: T): void {
store<T>(changetype<usize>(this) + (<usize>index << alignof<T>()),
isManaged<T>()
? LINK<T,this>(value, this)
: value
);
if (isManaged<T>()) {
let offset = changetype<usize>(this) + (<usize>index << alignof<T>());
let oldValue = load<T>(offset);
store<T>(offset, LINK<T,this>(value, this));
UNLINK<T,this>(oldValue, this); // order is important
} else {
store<T>(changetype<usize>(this) + (<usize>index << alignof<T>()), value);
}
}
}