mirror of
https://github.com/fluencelabs/assemblyscript
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58 lines
1.7 KiB
TypeScript
58 lines
1.7 KiB
TypeScript
/** Garbage collector interface. */
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export namespace gc {
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/** Whether the garbage collector interface is implemented. */
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// @ts-ignore: decorator
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@lazy
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export const implemented: bool = isDefined(
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// @ts-ignore: stub
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__gc_register
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);
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/** Gets the computed unique class id of a class type. */
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// @ts-ignore: decorator
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@unsafe @builtin
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export declare function classId<T>(): u32;
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/** Iterates reference root objects. */
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// @ts-ignore: decorator
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@unsafe @builtin
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export declare function iterateRoots(fn: (ref: usize) => void): void;
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/** Registers a managed object to be tracked by the garbage collector. */
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// @ts-ignore: decorator
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@unsafe
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export function register(ref: usize): void {
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// @ts-ignore: stub
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if (isDefined(__gc_register)) __gc_register(ref);
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else ERROR("missing implementation: gc.register");
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}
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/** Links a registered object with the registered object now referencing it. */
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// @ts-ignore: decorator
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@unsafe
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export function link(ref: usize, parentRef: usize): void {
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// @ts-ignore: stub
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if (isDefined(__gc_link)) __gc_link(ref, parentRef);
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else ERROR("missing implementation: gc.link");
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}
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/** Marks an object as being reachable. */
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// @ts-ignore: decorator
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@unsafe
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export function mark(ref: usize): void {
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// @ts-ignore: stub
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if (isDefined(__gc_mark)) __gc_mark(ref);
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else ERROR("missing implementation: gc.mark");
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}
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/** Performs a full garbage collection cycle. */
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export function collect(): void {
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// @ts-ignore: stub
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if (isDefined(__gc_collect)) __gc_collect();
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else WARNING("missing implementation: gc.collect");
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}
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}
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// TODO: move marking into userspace using builtins like iterateFields?
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