1 /* 2 * Copyright (c) 2006, 2010, 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 */ 29 30 import java.io.*; 31 import java.util.*; 32 import javax.annotation.processing.*; 33 import javax.lang.model.*; 34 import javax.lang.model.element.*; 35 import javax.tools.*; 36 import com.sun.source.util.*; 37 import com.sun.tools.javac.api.*; 38 import static javax.lang.model.util.ElementFilter.*; 39 40 41 @SupportedAnnotationTypes("*") 42 public class T6439826 extends AbstractProcessor { 43 public static void main(String... args) { 44 String testSrc = System.getProperty("test.src", "."); 45 String testClasses = System.getProperty("test.classes"); 46 JavacTool tool = JavacTool.create(); 47 MyDiagListener dl = new MyDiagListener(); 48 StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, null); 49 Iterable<? extends JavaFileObject> files = 50 fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, T6439826.class.getName()+".java"))); 51 Iterable<String> opts = Arrays.asList("-proc:only", 52 "-processor", "T6439826", 53 "-processorpath", testClasses); 54 StringWriter out = new StringWriter(); 55 JavacTask task = tool.getTask(out, fm, dl, opts, null, files); 56 task.call(); 57 String s = out.toString(); 58 System.err.print(s); 59 // Expect the following 2 diagnostics, and no output to log 60 // Foo.java:1: illegal character: \35 61 // Foo.java:1: reached end of file while parsing 62 System.err.println(dl.count + " diagnostics; " + s.length() + " characters"); 63 if (dl.count != 2 || s.length() != 0) 64 throw new AssertionError("unexpected output from compiler"); 65 } 66 67 public boolean process(Set<? extends TypeElement> annotations, 68 RoundEnvironment roundEnv) { 69 Set<? extends TypeElement> elems = typesIn(roundEnv.getRootElements()); 70 for (TypeElement e: elems) { 71 if (e.getSimpleName().toString().equals(T6439826.class.getName())) 72 writeBadFile(); 73 } 74 return false; 75 } 76 77 @Override 78 public SourceVersion getSupportedSourceVersion() { 79 return SourceVersion.latest(); 80 } 81 82 private void writeBadFile() { 83 Filer filer = processingEnv.getFiler(); 84 Messager messager = processingEnv.getMessager(); 85 try { 86 Writer out = filer.createSourceFile("Foo").openWriter(); 87 out.write("class Foo #"); // write a file that generates a scanner error 88 out.close(); 89 } catch (IOException e) { 90 messager.printMessage(Diagnostic.Kind.ERROR, e.toString()); 91 } 92 } 93 94 static class MyDiagListener implements DiagnosticListener { 95 public void report(Diagnostic d) { 96 System.err.println(d); 97 count++; 98 } 99 100 public int count; 101 } 102 }