1 /*
 2  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 package experiments;
26 
27 import hat.Accelerator;
28 import hat.backend.DebugBackend;
29 import hat.buffer.S32Array2D;
30 import hat.ifacemapper.BoundSchema;
31 import hat.buffer.Buffer;
32 
33 import java.lang.foreign.GroupLayout;
34 import java.lang.foreign.MemoryLayout;
35 import java.lang.invoke.MethodHandles;
36 
37 public class S32ArrayTest implements Buffer {
38 
39     public static void main(String[] args) {
40         Accelerator accelerator = new Accelerator(MethodHandles.lookup(),new DebugBackend());
41 
42         hat.buffer.S32Array2D s32Array2D  = S32Array2D.create(accelerator, 100, 200);
43         GroupLayout groupLayout = (GroupLayout) Buffer.getLayout(s32Array2D);
44         System.out.println("Layout from buffer "+groupLayout);
45         BoundSchema<?> boundSchema = Buffer.getBoundSchema(s32Array2D);
46         System.out.println("BoundSchema from buffer  "+boundSchema);
47 
48         BoundSchema.FieldLayout<?> fieldLayout =  boundSchema.rootBoundSchemaNode().getName("array");
49         long arrayOffset = fieldLayout.offset();
50         MemoryLayout layout = fieldLayout.layout();
51 
52         if (fieldLayout instanceof BoundSchema.ArrayFieldLayout arrayFieldLayout){
53             System.out.println("isArray");
54             arrayFieldLayout.elementOffset(0);
55             arrayFieldLayout.elementLayout(0);
56             if (arrayFieldLayout instanceof BoundSchema.BoundArrayFieldLayout boundArrayFieldLayout){
57                 boundArrayFieldLayout.dimFields.forEach(dimLayout->{
58                     System.out.println(dimLayout.field.name + " "+dimLayout.offset());
59                 });
60             }
61         }
62         S32Array2D.schema.toText(t->System.out.print(t));
63     }
64 
65 }