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 package optkl;
26 
27 import jdk.incubator.code.CodeElement;
28 import jdk.incubator.code.TypeElement;
29 import jdk.incubator.code.dialect.core.VarType;
30 import jdk.incubator.code.dialect.java.JavaOp;
31 import jdk.incubator.code.dialect.java.JavaType;
32 import optkl.util.Regex;
33 import optkl.util.carriers.LookupCarrier;
34 
35 import java.lang.invoke.MethodHandles;
36 
37 public record FieldAccessOpHelper(MethodHandles.Lookup lookup, JavaOp.FieldAccessOp op) implements LookupCarrier,OpHelper<JavaOp.FieldAccessOp> {
38     @Override
39     public boolean isStatic(){
40         return true;//fieldAccessOp.invokeKind().equals(JavaOp.FieldAccessOp.InvokeKind.STATIC);
41     }
42     @Override
43     public boolean isInstance(){
44         return true;//fieldAccessOp.invokeKind().equals(JavaOp.FieldAccessOp.InvokeKind.INSTANCE);
45     }
46     @Override
47     public String name(){
48         return op.fieldDescriptor().name();
49     }
50 
51     public <T>boolean of(Class<T> clazz){
52         return isAssignable(clazz,(JavaType) op.resultType());
53     }
54 
55     public static FieldAccessOpHelper fieldAccessOpHelper(MethodHandles.Lookup lookup, CodeElement<?,?> codeElement){
56         return codeElement instanceof JavaOp.FieldAccessOp fieldAccessOp? new FieldAccessOpHelper(lookup,fieldAccessOp): null;
57 
58     }
59 }