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Java example source code file (T7043922.java)
The T7043922.java Java example source code/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 7043922 * @summary Regression: internal compiler error for nested anonymous inner class featuring varargs constructor */ import com.sun.source.util.JavacTask; import com.sun.tools.javac.api.JavacTool; import com.sun.tools.javac.util.List; import java.net.URI; import java.util.Arrays; import java.util.Locale; import javax.tools.Diagnostic; import javax.tools.JavaCompiler; import javax.tools.JavaFileObject; import javax.tools.SimpleJavaFileObject; import javax.tools.StandardJavaFileManager; import javax.tools.ToolProvider; public class T7043922 { ClassKind[] classKinds; ConstructorKind[] constructorKinds; T7043922(ClassKind[] classKinds, ConstructorKind[] constructorKinds) { this.classKinds = classKinds; this.constructorKinds = constructorKinds; } void compileAndCheck() throws Exception { JavaSource source = new JavaSource(); ErrorChecker ec = new ErrorChecker(); JavacTask ct = (JavacTask)tool.getTask(null, fm, ec, null, null, Arrays.asList(source)); ct.analyze(); if (ec.errorFound) { throw new Error("invalid diagnostics for source:\n" + source.getCharContent(true) + "\nCompiler diagnostics:\n" + ec.printDiags()); } } class JavaSource extends SimpleJavaFileObject { static final String source_template = "#C0 A0 { #K0 }\n" + "#C1 A1 { #K1 }\n" + "#C2 A2 { #K2 }\n" + "class D {\n" + " void test() {\n" + " new A0(#V0) {\n" + " void test() {\n" + " new A1(#V1) {\n" + " void test() {\n" + " new A2(#V2) {};\n" + " }\n" + " };\n" + " }\n" + " };\n" + " }\n" + "}\n"; String source; public JavaSource() { super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); source = source_template; for (int i = 0; i < 3; i++) { source = source.replaceAll("#C" + i, classKinds[i].classKind). replaceAll("#K" + i, classKinds[i].getConstructor("A" + i, constructorKinds[i])). replaceAll("#V" + i, constructorKinds[i].constrArgs); } } @Override public CharSequence getCharContent(boolean ignoreEncodingErrors) { return source; } } /** global decls ***/ enum ConstructorKind { DEFAULT("", ""), FIXED_ARITY("String s", "\"\""), VARIABLE_ARITY("String... ss", "\"\",\"\""); String constrParam; String constrArgs; private ConstructorKind(String constrParam, String constrArgs) { this.constrParam = constrParam; this.constrArgs = constrArgs; } } enum ClassKind { ABSTRACT("abstract class"), CLASS("class"), INTERFACE("interface"); String classKind; private ClassKind(String classKind) { this.classKind = classKind; } boolean isConstructorOk(ConstructorKind ck) { return this != INTERFACE || ck == ConstructorKind.DEFAULT; } String getConstructor(String className, ConstructorKind ck) { return this == INTERFACE ? "" : (className + "(" + ck.constrParam + ") {}"); } } // Create a single file manager and JavaCompiler tool // and reuse them for each compile to save time. static final StandardJavaFileManager fm = JavacTool.create().getStandardFileManager(null, null, null); static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); public static void main(String... args) throws Exception { for (ClassKind classKind1 : ClassKind.values()) { for (ConstructorKind constrKind1 : ConstructorKind.values()) { if (!classKind1.isConstructorOk(constrKind1)) continue; for (ClassKind classKind2 : ClassKind.values()) { for (ConstructorKind constrKind2 : ConstructorKind.values()) { if (!classKind2.isConstructorOk(constrKind2)) continue; for (ClassKind classKind3 : ClassKind.values()) { for (ConstructorKind constrKind3 : ConstructorKind.values()) { if (!classKind3.isConstructorOk(constrKind3)) continue; new T7043922(new ClassKind[] { classKind1, classKind2, classKind3 }, new ConstructorKind[] { constrKind1, constrKind2, constrKind3 }).compileAndCheck(); } } } } } } } static class ErrorChecker implements javax.tools.DiagnosticListener<JavaFileObject> { boolean errorFound; List<String> errDiags = List.nil(); public void report(Diagnostic<? extends JavaFileObject> diagnostic) { if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { errDiags = errDiags.append(diagnostic.getMessage(Locale.getDefault())); errorFound = true; } } String printDiags() { StringBuilder buf = new StringBuilder(); for (String s : errDiags) { buf.append(s); buf.append("\n"); } return buf.toString(); } } } Other Java examples (source code examples)Here is a short list of links related to this Java T7043922.java source code file: |
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