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use gc interface directly, document

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dcode
2019-03-26 23:35:08 +01:00
parent 7c0dc66849
commit 3146f8f9e0
95 changed files with 17360 additions and 13504 deletions
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52
std/assembly/collector/itcm.ts
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@ -211,34 +211,12 @@ function objToRef(obj: ManagedObject): usize {
return changetype<usize>(obj) + HEADER_SIZE;
}
// @ts-ignore: decorator
@global @unsafe
export function __gc_register(ref: usize): void {
if (TRACE) trace("gc.register", 1, ref);
step(); // also makes sure it's initialized
var obj = refToObj(ref);
obj.color = white;
fromSpace.push(obj);
}
// Garbage collector interface
// @ts-ignore: decorator
@global @unsafe
export function __gc_retain(ref: usize, parentRef: usize): void {
if (TRACE) trace("gc.retain", 2, ref, parentRef);
var parent = refToObj(parentRef);
if (parent.color == i32(!white) && refToObj(ref).color == white) parent.makeGray();
}
// @ts-ignore: decorator
@global @unsafe
export function __gc_release(ref: usize, parentRef: usize): void {
if (TRACE) trace("gc.release", 2, ref, parentRef);
}
// @ts-ignore: decorator
@global @unsafe
export function __gc_collect(): void {
if (TRACE) trace("gc.collect");
export function __ref_collect(): void {
if (TRACE) trace("itcm.collect");
// begin collecting if not yet collecting
switch (state) {
case State.INIT:
@ -247,3 +225,27 @@ export function __gc_collect(): void {
// finish the cycle
while (state != State.IDLE) step();
}
// @ts-ignore: decorator
@global @unsafe
export function __ref_register(ref: usize): void {
if (TRACE) trace("itcm.register", 1, ref);
step(); // also makes sure it's initialized
var obj = refToObj(ref);
obj.color = white;
fromSpace.push(obj);
}
// @ts-ignore: decorator
@global @unsafe
export function __ref_link(ref: usize, parentRef: usize): void {
if (TRACE) trace("itcm.link", 2, ref, parentRef);
var parent = refToObj(parentRef);
if (parent.color == i32(!white) && refToObj(ref).color == white) parent.makeGray();
}
// @ts-ignore: decorator
@global @unsafe
export function __ref_unlink(ref: usize, parentRef: usize): void {
if (TRACE) trace("itcm.unlink", 2, ref, parentRef);
}