1 /*
 2  * Copyright (c) 2024, 2026, 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.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 import jdk.incubator.code.Reflect;
25 
26 /*
27  * @test
28  * @modules jdk.incubator.code
29  * @build PatternTest2
30  * @build CodeReflectionTester
31  * @run main CodeReflectionTester PatternTest2
32  */
33 public class PatternTest2 {
34     record R<T extends Number> (T n) {}
35 
36     @IR("""
37             func @"f" (%0 : java.type:"java.lang.Object")java.type:"boolean" -> {
38                 %1 : Var<java.type:"java.lang.Object"> = var %0 @"o";
39                 %2 : java.type:"java.lang.Object" = var.load %1;
40                 %3 : java.type:"java.lang.Integer" = constant @null;
41                 %4 : Var<java.type:"java.lang.Integer"> = var %3 @"i";
42                 %5 : java.type:"boolean" = pattern.match %2
43                     ()java.type:"jdk.incubator.code.dialect.java.JavaOp$Pattern$Record<PatternTest2$R<PatternTest2$R::<T extends java.lang.Number>>>" -> {
44                         %6 : java.type:"jdk.incubator.code.dialect.java.JavaOp$Pattern$Type<java.lang.Integer>" = pattern.type @"i";
45                         %7 : java.type:"jdk.incubator.code.dialect.java.JavaOp$Pattern$Record<PatternTest2$R<PatternTest2$R::<T extends java.lang.Number>>>" = pattern.record %6 @java.ref:"(PatternTest2$R::<T extends java.lang.Number> n)PatternTest2$R<PatternTest2$R::<T extends java.lang.Number>>";
46                         yield %7;
47                     }
48                     (%8 : java.type:"java.lang.Integer")java.type:"void" -> {
49                         var.store %4 %8;
50                         yield;
51                     };
52                 return %5;
53             };
54             """)
55     @Reflect
56     static boolean f(Object o) {
57         return o instanceof R(Integer i);
58     }
59 }