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Prevent dispose cycles
For #75304 Make sure we do not get into a loop of tyring to dispose of an object by checking `isDisposed` before calling into dispose again Also log if you try to register a disposeable on itself
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@ -93,6 +93,10 @@ export class DisposableStore implements IDisposable {
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* Any future disposables added to this object will be disposed of on `add`.
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*/
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public dispose(): void {
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if (this._isDisposed) {
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return;
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}
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markTracked(this);
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this._isDisposed = true;
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this.clear();
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@ -110,6 +114,9 @@ export class DisposableStore implements IDisposable {
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if (!t) {
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return t;
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}
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if ((t as any as DisposableStore) === this) {
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throw new Error('Cannot register a disposable on itself!');
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}
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markTracked(t);
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if (this._isDisposed) {
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@ -140,6 +147,9 @@ export abstract class Disposable implements IDisposable {
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}
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protected _register<T extends IDisposable>(t: T): T {
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if ((t as any as Disposable) === this) {
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throw new Error('Cannot register a disposable on itself!');
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}
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return this._store.add(t);
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}
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}
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