langtools/test/tools/javac/varargs/7043922/T7043922.java
changeset 9724 1eab738591a7
child 27319 030080f03e4f
equal deleted inserted replaced
9723:f4867d58210b 9724:1eab738591a7
       
     1 /*
       
     2  * Copyright (c) 2011, 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  */
       
    29 
       
    30 import com.sun.source.util.JavacTask;
       
    31 import com.sun.tools.javac.api.JavacTool;
       
    32 import com.sun.tools.javac.util.List;
       
    33 
       
    34 import java.net.URI;
       
    35 import java.util.Arrays;
       
    36 import java.util.Locale;
       
    37 import javax.tools.Diagnostic;
       
    38 import javax.tools.JavaCompiler;
       
    39 import javax.tools.JavaFileObject;
       
    40 import javax.tools.SimpleJavaFileObject;
       
    41 import javax.tools.StandardJavaFileManager;
       
    42 import javax.tools.ToolProvider;
       
    43 
       
    44 public class T7043922 {
       
    45 
       
    46     ClassKind[] classKinds;
       
    47     ConstructorKind[] constructorKinds;
       
    48 
       
    49     T7043922(ClassKind[] classKinds, ConstructorKind[] constructorKinds) {
       
    50         this.classKinds = classKinds;
       
    51         this.constructorKinds = constructorKinds;
       
    52     }
       
    53 
       
    54     void compileAndCheck() throws Exception {
       
    55         JavaSource source = new JavaSource();
       
    56         ErrorChecker ec = new ErrorChecker();
       
    57         JavacTask ct = (JavacTask)tool.getTask(null, fm, ec,
       
    58                 null, null, Arrays.asList(source));
       
    59         ct.analyze();
       
    60         if (ec.errorFound) {
       
    61             throw new Error("invalid diagnostics for source:\n" +
       
    62                     source.getCharContent(true) +
       
    63                     "\nCompiler diagnostics:\n" + ec.printDiags());
       
    64         }
       
    65     }
       
    66 
       
    67     class JavaSource extends SimpleJavaFileObject {
       
    68 
       
    69         static final String source_template = "#C0 A0 { #K0 }\n" +
       
    70                                               "#C1 A1 { #K1 }\n" +
       
    71                                               "#C2 A2 { #K2 }\n" +
       
    72                                               "class D {\n" +
       
    73                                               "   void test() {\n" +
       
    74                                               "      new A0(#V0) {\n" +
       
    75                                               "         void test() {\n" +
       
    76                                               "            new A1(#V1) {\n" +
       
    77                                               "               void test() {\n" +
       
    78                                               "                   new A2(#V2) {};\n" +
       
    79                                               "               }\n" +
       
    80                                               "            };\n" +
       
    81                                               "         }\n" +
       
    82                                               "      };\n" +
       
    83                                               "   }\n" +
       
    84                                               "}\n";
       
    85 
       
    86         String source;
       
    87 
       
    88         public JavaSource() {
       
    89             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
       
    90             source = source_template;
       
    91             for (int i = 0; i < 3; i++) {
       
    92                 source = source.replaceAll("#C" + i, classKinds[i].classKind).
       
    93                     replaceAll("#K" + i, classKinds[i].getConstructor("A" + i, constructorKinds[i])).
       
    94                     replaceAll("#V" + i, constructorKinds[i].constrArgs);
       
    95             }
       
    96         }
       
    97 
       
    98         @Override
       
    99         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
       
   100             return source;
       
   101         }
       
   102     }
       
   103 
       
   104     /** global decls ***/
       
   105 
       
   106     enum ConstructorKind {
       
   107         DEFAULT("", ""),
       
   108         FIXED_ARITY("String s", "\"\""),
       
   109         VARIABLE_ARITY("String... ss", "\"\",\"\"");
       
   110 
       
   111         String constrParam;
       
   112         String constrArgs;
       
   113 
       
   114         private ConstructorKind(String constrParam, String constrArgs) {
       
   115             this.constrParam = constrParam;
       
   116             this.constrArgs = constrArgs;
       
   117         }
       
   118     }
       
   119 
       
   120     enum ClassKind {
       
   121         ABSTRACT("abstract class"),
       
   122         CLASS("class"),
       
   123         INTERFACE("interface");
       
   124 
       
   125         String classKind;
       
   126 
       
   127         private ClassKind(String classKind) {
       
   128             this.classKind = classKind;
       
   129         }
       
   130 
       
   131         boolean isConstructorOk(ConstructorKind ck) {
       
   132             return this != INTERFACE ||
       
   133                     ck == ConstructorKind.DEFAULT;
       
   134         }
       
   135 
       
   136         String getConstructor(String className, ConstructorKind ck) {
       
   137             return this == INTERFACE ?
       
   138                 "" :
       
   139                 (className + "(" + ck.constrParam + ") {}");
       
   140         }
       
   141     }
       
   142 
       
   143     // Create a single file manager and JavaCompiler tool
       
   144     // and reuse them for each compile to save time.
       
   145     static final StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null);
       
   146     static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
       
   147 
       
   148     public static void main(String... args) throws Exception {
       
   149         for (ClassKind classKind1 : ClassKind.values()) {
       
   150             for (ConstructorKind constrKind1 : ConstructorKind.values()) {
       
   151                 if (!classKind1.isConstructorOk(constrKind1)) continue;
       
   152                 for (ClassKind classKind2 : ClassKind.values()) {
       
   153                     for (ConstructorKind constrKind2 : ConstructorKind.values()) {
       
   154                         if (!classKind2.isConstructorOk(constrKind2)) continue;
       
   155                         for (ClassKind classKind3 : ClassKind.values()) {
       
   156                             for (ConstructorKind constrKind3 : ConstructorKind.values()) {
       
   157                                 if (!classKind3.isConstructorOk(constrKind3)) continue;
       
   158                                 new T7043922(new ClassKind[] { classKind1, classKind2, classKind3 },
       
   159                                         new ConstructorKind[] { constrKind1, constrKind2, constrKind3 }).compileAndCheck();
       
   160                             }
       
   161                         }
       
   162                     }
       
   163                 }
       
   164             }
       
   165         }
       
   166     }
       
   167 
       
   168     static class ErrorChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
       
   169 
       
   170         boolean errorFound;
       
   171         List<String> errDiags = List.nil();
       
   172 
       
   173         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
       
   174             if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
       
   175                 errDiags = errDiags.append(diagnostic.getMessage(Locale.getDefault()));
       
   176                 errorFound = true;
       
   177             }
       
   178         }
       
   179 
       
   180         String printDiags() {
       
   181             StringBuilder buf = new StringBuilder();
       
   182             for (String s : errDiags) {
       
   183                 buf.append(s);
       
   184                 buf.append("\n");
       
   185             }
       
   186             return buf.toString();
       
   187         }
       
   188     }
       
   189 }