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| 1 | +/* |
| 2 | + * Copyright (c) 2022, 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 |
| 21 | + * questions. |
| 22 | + */ |
| 23 | + |
| 24 | +/* |
| 25 | + * @test |
| 26 | + * @bug 8278834 |
| 27 | + * @summary Verify pattern matching nested inside initializers of classes nested in methods |
| 28 | + * works correctly. |
| 29 | + * @library /tools/lib /tools/javac/lib |
| 30 | + * @modules |
| 31 | + * jdk.compiler/com.sun.tools.javac.api |
| 32 | + * jdk.compiler/com.sun.tools.javac.file |
| 33 | + * jdk.compiler/com.sun.tools.javac.main |
| 34 | + * jdk.compiler/com.sun.tools.javac.util |
| 35 | + * @build toolbox.ToolBox toolbox.JavacTask |
| 36 | + * @build combo.ComboTestHelper |
| 37 | + * @compile BindingsInitializer.java |
| 38 | + * @run main BindingsInitializer |
| 39 | + */ |
| 40 | + |
| 41 | +import combo.ComboInstance; |
| 42 | +import combo.ComboParameter; |
| 43 | +import combo.ComboTask; |
| 44 | +import combo.ComboTestHelper; |
| 45 | +import java.nio.file.Path; |
| 46 | +import java.nio.file.Paths; |
| 47 | +import toolbox.ToolBox; |
| 48 | + |
| 49 | +public class BindingsInitializer extends ComboInstance<BindingsInitializer> { |
| 50 | + protected ToolBox tb; |
| 51 | + |
| 52 | + BindingsInitializer() { |
| 53 | + super(); |
| 54 | + tb = new ToolBox(); |
| 55 | + } |
| 56 | + |
| 57 | + public static void main(String... args) throws Exception { |
| 58 | + new ComboTestHelper<BindingsInitializer>() |
| 59 | + .withDimension("OUTER", (x, outer) -> x.outer = outer, Outer.values()) |
| 60 | + .withDimension("MIDDLE", (x, middle) -> x.middle = middle, Middle.values()) |
| 61 | + .withDimension("INNER", (x, inner) -> x.inner = inner, Inner.values()) |
| 62 | + .withDimension("TEST", (x, test) -> x.test = test, Test.values()) |
| 63 | + .run(BindingsInitializer::new); |
| 64 | + } |
| 65 | + |
| 66 | + private Outer outer; |
| 67 | + private Middle middle; |
| 68 | + private Inner inner; |
| 69 | + private Test test; |
| 70 | + |
| 71 | + private static final String MAIN_TEMPLATE = |
| 72 | + """ |
| 73 | + public class Test { |
| 74 | + private static Object obj = ""; |
| 75 | + #{OUTER} |
| 76 | + } |
| 77 | + """; |
| 78 | + |
| 79 | + @Override |
| 80 | + protected void doWork() throws Throwable { |
| 81 | + Path base = Paths.get("."); |
| 82 | + |
| 83 | + ComboTask task = newCompilationTask() |
| 84 | + .withSourceFromTemplate(MAIN_TEMPLATE, pname -> switch (pname) { |
| 85 | + case "OUTER" -> outer; |
| 86 | + case "MIDDLE" -> middle; |
| 87 | + case "INNER" -> inner; |
| 88 | + case "TESST" -> test; |
| 89 | + default -> throw new UnsupportedOperationException(pname); |
| 90 | + }); |
| 91 | + |
| 92 | + task.generate(result -> { |
| 93 | + if (result.hasErrors()) { |
| 94 | + throw new AssertionError("Unexpected result: " + result.compilationInfo()); |
| 95 | + } |
| 96 | + }); |
| 97 | + } |
| 98 | + |
| 99 | + public enum Outer implements ComboParameter { |
| 100 | + NONE("#{MIDDLE}"), |
| 101 | + STATIC_CLASS("static class Nested { #{MIDDLE} }"), |
| 102 | + CLASS("class Inner { #{MIDDLE} }"); |
| 103 | + private final String code; |
| 104 | + |
| 105 | + private Outer(String code) { |
| 106 | + this.code = code; |
| 107 | + } |
| 108 | + |
| 109 | + @Override |
| 110 | + public String expand(String optParameter) { |
| 111 | + return code; |
| 112 | + } |
| 113 | + } |
| 114 | + |
| 115 | + public enum Middle implements ComboParameter { |
| 116 | + STATIC_INIT("static { #{INNER} }"), |
| 117 | + INIT("{ #{INNER} }"), |
| 118 | + METHOD("void test() { #{INNER} }"); |
| 119 | + private final String code; |
| 120 | + |
| 121 | + private Middle(String code) { |
| 122 | + this.code = code; |
| 123 | + } |
| 124 | + |
| 125 | + @Override |
| 126 | + public String expand(String optParameter) { |
| 127 | + return code; |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + public enum Inner implements ComboParameter { |
| 132 | + DIRECT("#{TEST}"), |
| 133 | + CLASS_STATIC_INIT("class C { static { #{TEST} } }"), |
| 134 | + CLASS_INIT("class C { { #{TEST} } }"), |
| 135 | + CLASS_METHOD("class C { void t() { #{TEST} } }"), |
| 136 | + ANNONYMOUS_CLASS_STATIC_INIT("new Object() { static { #{TEST} } };"), |
| 137 | + ANNONYMOUS_CLASS_INIT("new Object() { { #{TEST} } };"), |
| 138 | + ANNONYMOUS_CLASS_METHOD("new Object() { void t() { #{TEST} } };"); |
| 139 | + private final String code; |
| 140 | + |
| 141 | + private Inner(String code) { |
| 142 | + this.code = code; |
| 143 | + } |
| 144 | + |
| 145 | + @Override |
| 146 | + public String expand(String optParameter) { |
| 147 | + return code; |
| 148 | + } |
| 149 | + } |
| 150 | + |
| 151 | + public enum Test implements ComboParameter { |
| 152 | + TEST("if (obj instanceof String str) System.err.println(str);"); |
| 153 | + private final String code; |
| 154 | + |
| 155 | + private Test(String code) { |
| 156 | + this.code = code; |
| 157 | + } |
| 158 | + |
| 159 | + @Override |
| 160 | + public String expand(String optParameter) { |
| 161 | + return code; |
| 162 | + } |
| 163 | + } |
| 164 | +} |
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