1 /*
2 * Copyright (c) 2011, 2017, 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 7043922
27 * @summary Regression: internal compiler error for nested anonymous inner class featuring varargs constructor
28 * @modules jdk.compiler/com.sun.tools.javac.api
29 * jdk.compiler/com.sun.tools.javac.file
30 * jdk.compiler/com.sun.tools.javac.util
31 */
32
33 import com.sun.source.util.JavacTask;
34 import com.sun.tools.javac.api.JavacTool;
35 import com.sun.tools.javac.util.List;
36
37 import java.net.URI;
38 import java.util.Arrays;
39 import java.util.Locale;
40 import javax.tools.Diagnostic;
41 import javax.tools.JavaCompiler;
42 import javax.tools.JavaFileObject;
43 import javax.tools.SimpleJavaFileObject;
44 import javax.tools.StandardJavaFileManager;
45 import javax.tools.ToolProvider;
46
47 public class T7043922 {
48
49 ClassKind[] classKinds;
50 ConstructorKind[] constructorKinds;
51
52 T7043922(ClassKind[] classKinds, ConstructorKind[] constructorKinds) {
53 this.classKinds = classKinds;
54 this.constructorKinds = constructorKinds;
55 }
56
57 void compileAndCheck() throws Exception {
58 JavaSource source = new JavaSource();
59 ErrorChecker ec = new ErrorChecker();
60 JavacTask ct = (JavacTask)tool.getTask(null, fm, ec,
61 null, null, Arrays.asList(source));
62 ct.analyze();
63 if (ec.errorFound) {
64 throw new Error("invalid diagnostics for source:\n" +
65 source.getCharContent(true) +
66 "\nCompiler diagnostics:\n" + ec.printDiags());
67 }
68 }
69
70 class JavaSource extends SimpleJavaFileObject {
71
72 static final String source_template = "#C0 A0 { #K0 }\n" +
73 "#C1 A1 { #K1 }\n" +
74 "#C2 A2 { #K2 }\n" +
75 "class D {\n" +
76 " void test() {\n" +
77 " new A0(#V0) {\n" +
78 " void test() {\n" +
79 " new A1(#V1) {\n" +
80 " void test() {\n" +
81 " new A2(#V2) {};\n" +
82 " }\n" +
83 " };\n" +
84 " }\n" +
85 " };\n" +
86 " }\n" +
87 "}\n";
88
89 String source;
90
91 public JavaSource() {
92 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
93 source = source_template;
94 for (int i = 0; i < 3; i++) {
95 source = source.replaceAll("#C" + i, classKinds[i].classKind).
96 replaceAll("#K" + i, classKinds[i].getConstructor("A" + i, constructorKinds[i])).
97 replaceAll("#V" + i, constructorKinds[i].constrArgs);
98 }
99 }
100
101 @Override
102 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
103 return source;
104 }
105 }
106
107 /** global decls ***/
108
109 enum ConstructorKind {
110 DEFAULT("", ""),
111 FIXED_ARITY("String s", "\"\""),
112 VARIABLE_ARITY("String... ss", "\"\",\"\"");
113
114 String constrParam;
115 String constrArgs;
116
117 private ConstructorKind(String constrParam, String constrArgs) {
118 this.constrParam = constrParam;
119 this.constrArgs = constrArgs;
120 }
121 }
122
123 enum ClassKind {
124 ABSTRACT("abstract class"),
125 CLASS("class"),
126 INTERFACE("interface");
127
128 String classKind;
129
130 private ClassKind(String classKind) {
131 this.classKind = classKind;
132 }
133
134 boolean isConstructorOk(ConstructorKind ck) {
135 return this != INTERFACE ||
136 ck == ConstructorKind.DEFAULT;
137 }
138
139 String getConstructor(String className, ConstructorKind ck) {
140 return this == INTERFACE ?
141 "" :
142 (className + "(" + ck.constrParam + ") {}");
143 }
144 }
145
146 // Create a single file manager and JavaCompiler tool
147 // and reuse them for each compile to save time.
148 static final StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
149 static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
150
151 public static void main(String... args) throws Exception {
152 try {
153 for (ClassKind classKind1 : ClassKind.values()) {
154 for (ConstructorKind constrKind1 : ConstructorKind.values()) {
155 if (!classKind1.isConstructorOk(constrKind1)) continue;
156 for (ClassKind classKind2 : ClassKind.values()) {
157 for (ConstructorKind constrKind2 : ConstructorKind.values()) {
158 if (!classKind2.isConstructorOk(constrKind2)) continue;
159 for (ClassKind classKind3 : ClassKind.values()) {
160 for (ConstructorKind constrKind3 : ConstructorKind.values()) {
161 if (!classKind3.isConstructorOk(constrKind3)) continue;
162 new T7043922(new ClassKind[] { classKind1, classKind2, classKind3 },
163 new ConstructorKind[] { constrKind1, constrKind2, constrKind3 }).compileAndCheck();
164 }
165 }
166 }
167 }
168 }
169 }
170 } finally {
171 fm.close();
172 }
173 }
174
175 static class ErrorChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
176
177 boolean errorFound;
178 List<String> errDiags = List.nil();
179
180 public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
181 if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
182 errDiags = errDiags.append(diagnostic.getMessage(Locale.getDefault()));
183 errorFound = true;
184 }
185 }
186
187 String printDiags() {
188 StringBuilder buf = new StringBuilder();
189 for (String s : errDiags) {
190 buf.append(s);
191 buf.append("\n");
192 }
193 return buf.toString();
194 }
195 }
196 }