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).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package oracle.code.triton;
27 
28 import java.lang.reflect.code.TypeElement;
29 import java.util.ArrayList;
30 import java.util.List;
31 import java.util.Objects;
32 
33 public final class TensorType extends TritonType {
34     static final String NAME = "tensor";
35 
36     final TypeElement eType;
37     final List<Integer> shape;
38     final int size;
39 
40     public TensorType(TypeElement eType, List<Integer> shape) {
41         this.eType = eType;
42         this.shape = List.copyOf(shape);
43         int s = 1;
44         for (Integer i : shape) {
45             s *= i;
46         }
47         this.size = s;
48     }
49 
50     public TypeElement eType() {
51         return eType;
52     }
53 
54     public List<Integer> shape() {
55         return shape;
56     }
57 
58     public int size() {
59         return size;
60     }
61 
62     @Override
63     public boolean equals(Object o) {
64         if (this == o) return true;
65         if (o == null || getClass() != o.getClass()) return false;
66         TensorType that = (TensorType) o;
67         return Objects.equals(eType, that.eType) && Objects.equals(shape, that.shape);
68     }
69 
70     @Override
71     public int hashCode() {
72         return Objects.hash(eType, shape);
73     }
74 
75     @Override
76     public ExternalizedTypeElement externalize() {
77         List<ExternalizedTypeElement> args = new ArrayList<>();
78         for (int i : shape) {
79             args.add(new ExternalizedTypeElement("x" + i, List.of()));
80         }
81         args.add(eType.externalize());
82         return new ExternalizedTypeElement(NAME, args);
83     }
84 
85     @Override
86     public String toString() {
87         return externalize().toString();
88     }
89 }