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package com.oracle.truffle.js.nodes.promise;

import com.oracle.truffle.api.TruffleStackTraceElement;
import com.oracle.truffle.api.object.DynamicObject;

Implemented by built-in promise handler functions that contribute to async stack traces.
/**
 * Implemented by built-in promise handler functions that contribute to async stack traces.
 */
public interface AsyncHandlerRootNode {
    
Extract the stack trace element and the promise associated with this handler, both optional.
/**
     * Extract the stack trace element and the promise associated with this handler, both optional.
     */
    AsyncStackTraceInfo getAsyncStackTraceInfo(DynamicObject handlerFunction);

    final class AsyncStackTraceInfo {
        public final DynamicObject promise;
        public final TruffleStackTraceElement stackTraceElement;

        public AsyncStackTraceInfo(DynamicObject promise, TruffleStackTraceElement stackTraceElement) {
            this.promise = promise;
            this.stackTraceElement = stackTraceElement;
        }

        public AsyncStackTraceInfo() {
            this(null, null);
        }
    }
}