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simplify

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This commit is contained in:
dcode
2019-03-14 12:46:36 +01:00
parent cdf3e2cf12
commit 3a60638f72
12 changed files with 627 additions and 662 deletions
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17
std/assembly/gc.ts
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@ -1,3 +1,5 @@
import { runtime } from "./runtime";
/** Garbage collector interface. */
export namespace gc {
@ -21,20 +23,23 @@ export namespace gc {
/** Registers a managed object to be tracked by the garbage collector. */
// @ts-ignore: decorator
@unsafe
export function register(ref: usize): void {
@unsafe @inline
export function register<T>(ref: usize): T {
runtime.unrefUnregistered(ref).classId = classId<T>();
// @ts-ignore: stub
if (isDefined(__gc_register)) __gc_register(ref);
else ERROR("missing implementation: gc.register");
return changetype<T>(ref);
}
/** Links a registered object with the registered object now referencing it. */
// @ts-ignore: decorator
@unsafe
export function link(ref: usize, parentRef: usize): void {
@unsafe @inline
export function link<T, TParent>(ref: T, parentRef: TParent): void {
assert(changetype<usize>(ref) >= HEAP_BASE + runtime.Header.SIZE); // must be a heap object
var header = changetype<runtime.Header>(changetype<usize>(ref) - runtime.Header.SIZE);
assert(header.classId != runtime.Header.MAGIC && header.gc1 != 0 && header.gc2 != 0); // must be registered
// @ts-ignore: stub
if (isDefined(__gc_link)) __gc_link(ref, parentRef);
else ERROR("missing implementation: gc.link");
}
/** Marks an object as being reachable. */