Initial commit: Client Doc docs Server Tools

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-10 10:24:29 +08:00
commit 7e35d8da31
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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated July 28, 2023. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2026, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software or
+ * otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+ * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using System;
+using System.Threading;
+
+/// <summary>
+/// An array with wrap-around access for LockFreeWorkStealingDeque based on the paper
+/// "Dynamic Circular Work-Stealing Deque", authors David Chase and Yossi Lev.
+/// https://www.dre.vanderbilt.edu/~schmidt/PDF/work-stealing-dequeue.pdf
+/// Modified to support negative indices.
+/// </summary>
+public class CircularArray<T> {
+	private int size;
+	private T[] segment;
+	private uint mask;
+
+	public int Size { get { return size; } }
+
+	public CircularArray (int sizePoT) {
+		this.size = sizePoT;
+		segment = new T[sizePoT];
+		mask = (uint)(sizePoT - 1);
+	}
+
+	public T Get (int i) {
+		return this.segment[((uint)i) & mask];
+	}
+
+	public void Put (int i, T item) {
+		this.segment[((uint)i) & mask] = item;
+	}
+
+	public CircularArray<T> Grow (int b, int t, int newSizePoT) {
+		CircularArray<T> a = new CircularArray<T>(newSizePoT);
+		for (int i = t; i < b; i++) {
+			a.Put(i, this.Get(i));
+		}
+		return a;
+	}
+}