1 /* 2 * Copyright (c) 2004, 2007, 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 import com.sun.mirror.apt.*; 26 import com.sun.mirror.declaration.*; 27 import com.sun.mirror.type.*; 28 import com.sun.mirror.util.*; 29 30 import java.util.Collection; 31 import java.util.Set; 32 import java.util.Map; 33 import java.util.Arrays; 34 import java.util.Collections; 35 36 37 public class Scanner implements AnnotationProcessorFactory { 38 static class ScannerProc implements AnnotationProcessor { 39 AnnotationProcessorEnvironment env; 40 ScannerProc(AnnotationProcessorEnvironment env) { 41 this.env = env; 42 } 43 44 static class CountingVisitor extends SimpleDeclarationVisitor { 45 int count; 46 CountingVisitor() { 47 count = 0; 48 } 49 50 public void visitDeclaration(Declaration d) { 51 count++; 52 53 Collection<AnnotationMirror> ams = d.getAnnotationMirrors(); 54 if (ams == null) 55 throw new RuntimeException("Declaration " + d + 56 " not annotated with visit order."); 57 else { 58 if (ams.size() != 1) 59 throw new RuntimeException("Declaration " + d + 60 " has wrong number of declarations."); 61 else { 62 for(AnnotationMirror am: ams) { 63 Map<AnnotationTypeElementDeclaration,AnnotationValue> elementValues = am.getElementValues(); 64 for(AnnotationTypeElementDeclaration atmd: elementValues.keySet()) { 65 if (!atmd.getDeclaringType().toString().equals("VisitOrder")) 66 throw new RuntimeException("Annotation " + atmd + 67 " is the wrong type."); 68 else { 69 AnnotationValue av = 70 elementValues.get(atmd); 71 Integer value = (Integer) av.getValue(); 72 if (value.intValue() != count) 73 throw new RuntimeException("Expected declaration " + d + 74 " to be in position " + count + 75 " instead of " + value.intValue()); 76 77 System.out.println("Declaration " + d + 78 ": visit order " + value.intValue()); 79 } 80 } 81 82 } 83 } 84 } 85 86 } 87 } 88 89 public void process() { 90 for(TypeDeclaration td: env.getSpecifiedTypeDeclarations() ) { 91 td.accept(DeclarationVisitors.getSourceOrderDeclarationScanner(new CountingVisitor(), 92 DeclarationVisitors.NO_OP)); 93 } 94 } 95 } 96 97 98 static Collection<String> supportedTypes; 99 static { 100 String types[] = {"*"}; 101 supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types)); 102 } 103 104 static Collection<String> supportedOptions; 105 static { 106 String options[] = {""}; 107 supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options)); 108 } 109 110 public Collection<String> supportedOptions() { 111 return supportedOptions; 112 } 113 114 public Collection<String> supportedAnnotationTypes() { 115 return supportedTypes; 116 } 117 118 public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, 119 AnnotationProcessorEnvironment env) { 120 return new ScannerProc(env); 121 } 122 123 }