1 /* 2 * Copyright (c) 2006, 2015, 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 6439826 6411930 6380018 6392177 27 * @summary Exception issuing Diagnostic while processing generated errant code 28 * @modules jdk.compiler/com.sun.tools.javac.api 29 * jdk.compiler/com.sun.tools.javac.file 30 */ 31 32 import java.io.*; 33 import java.util.*; 34 import javax.annotation.processing.*; 35 import javax.lang.model.*; 36 import javax.lang.model.element.*; 37 import javax.tools.*; 38 import com.sun.source.util.*; 39 import com.sun.tools.javac.api.*; 40 import static javax.lang.model.util.ElementFilter.*; 41 42 43 @SupportedAnnotationTypes("*") 44 public class T6439826 extends AbstractProcessor { 45 public static void main(String... args) throws IOException { 46 String testSrc = System.getProperty("test.src", "."); 47 String testClasses = System.getProperty("test.classes"); 48 JavacTool tool = JavacTool.create(); 49 MyDiagListener dl = new MyDiagListener(); 50 try (StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null)) { 51 Iterable<? extends JavaFileObject> files = 52 fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java"))); 53 Iterable<String> opts = Arrays.asList("-proc:only", 54 "-processor", "T6439826", 55 "-processorpath", testClasses); 56 StringWriter out = new StringWriter(); 57 JavacTask task = tool.getTask(out, fm, dl, opts, null, files); 58 task.call(); 59 String s = out.toString(); 60 System.err.print(s); 61 // Expect the following 2 diagnostics, and no output to log 62 // Foo.java:1: illegal character: \35 63 System.err.println(dl.count + " diagnostics; " + s.length() + " characters"); 64 if (dl.count != 1 || s.length() != 0) 65 throw new AssertionError("unexpected output from compiler"); 66 } 67 } 68 69 public boolean process(Set<? extends TypeElement> annotations, 70 RoundEnvironment roundEnv) { 71 Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements()); 72 for (TypeElement e: elems) { 73 if (e.getSimpleName().toString().equals(T6439826.class.getName())) 74 writeBadFile(); 75 } 76 return false; 77 } 78 79 @Override 80 public SourceVersion getSupportedSourceVersion() { 81 return SourceVersion.latest(); 82 } 83 84 private void writeBadFile() { 85 Filer filer = processingEnv.getFiler(); 86 Messager messager = processingEnv.getMessager(); 87 try { 88 Writer out = filer.createSourceFile("Foo").openWriter(); 89 out.write("class Foo #"); // write a file that generates a scanner error 90 out.close(); 91 } catch (IOException e) { 92 messager.printMessage(Diagnostic.Kind.ERROR, e.toString()); 93 } 94 } 95 96 static class MyDiagListener implements DiagnosticListener { 97 public void report(Diagnostic d) { 98 System.err.println(d); 99 count++; 100 } 101 102 public int count; 103 } 104 }