1 /* 2 * Copyright (c) 2006, 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 6362178 27 * @summary MirroredType[s]Exception shouldn't be created too eagerly 28 * @author Scott Seligman 29 * @compile -g OverEager.java 30 * @compile -processor OverEager -proc:only OverEager.java 31 */ 32 33 import java.util.Set; 34 import javax.annotation.processing.*; 35 import javax.lang.model.SourceVersion; 36 import javax.lang.model.element.*; 37 import javax.lang.model.type.*; 38 import javax.lang.model.util.*; 39 import static javax.lang.model.util.ElementFilter.*; 40 41 @SupportedAnnotationTypes("IAm") 42 @IAm(OverEager.class) 43 public class OverEager extends AbstractProcessor { 44 45 Elements elements; 46 Types types; 47 48 public void init(ProcessingEnvironment penv) { 49 super.init(penv); 50 elements = penv.getElementUtils(); 51 types = penv.getTypeUtils(); 52 } 53 54 public boolean process(Set<? extends TypeElement> annoTypes, 55 RoundEnvironment round) { 56 if (!round.processingOver()) 57 doit(annoTypes, round); 58 return true; 59 } 60 61 @Override 62 public SourceVersion getSupportedSourceVersion() { 63 return SourceVersion.latest(); 64 } 65 66 private void doit(Set<? extends TypeElement> annoTypes, 67 RoundEnvironment round) { 68 for (TypeElement t : typesIn(round.getRootElements())) { 69 IAm anno = t.getAnnotation(IAm.class); 70 if (anno != null) 71 checkAnno(anno); 72 } 73 } 74 75 private void checkAnno(IAm anno) { 76 try { 77 anno.value(); 78 throw new AssertionError(); 79 } catch (MirroredTypeException e) { 80 System.out.println("Looking for checkAnno in this stack trace:"); 81 e.printStackTrace(); 82 for (StackTraceElement frame : e.getStackTrace()) { 83 if (frame.getMethodName() == "checkAnno") 84 return; 85 } 86 throw new AssertionError(); 87 } 88 } 89 } 90 91 @interface IAm { 92 Class<?> value(); 93 }