Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java
src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java
- changeset 834
- d7225b476a5d
- parent 581
- f2fdd52e4e87
equal
deleted
inserted
replaced
| 814:d79e283c7d9b | 834:d7225b476a5d |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2009, 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. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 package com.sun.tools.javap; | |
| 26 | |
| 27 import com.sun.tools.classfile.Attribute; | |
| 28 import com.sun.tools.classfile.Code_attribute; | |
| 29 import com.sun.tools.classfile.ExtendedAnnotation; | |
| 30 import com.sun.tools.classfile.ExtendedAnnotation.Position; | |
| 31 import com.sun.tools.classfile.Instruction; | |
| 32 import com.sun.tools.classfile.Method; | |
| 33 import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute; | |
| 34 import com.sun.tools.classfile.RuntimeTypeAnnotations_attribute; | |
| 35 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute; | |
| 36 import java.util.ArrayList; | |
| 37 import java.util.HashMap; | |
| 38 import java.util.List; | |
| 39 import java.util.Map; | |
| 40 | |
| 41 /** | |
| 42 * Annotate instructions with details about type annotations. | |
| 43 * | |
| 44 * <p><b>This is NOT part of any supported API. | |
| 45 * If you write code that depends on this, you do so at your own risk. | |
| 46 * This code and its internal interfaces are subject to change or | |
| 47 * deletion without notice.</b> | |
| 48 */ | |
| 49 public class TypeAnnotationWriter extends InstructionDetailWriter { | |
| 50 public enum NoteKind { VISIBLE, INVISIBLE }; | |
| 51 public static class Note { | |
| 52 Note(NoteKind kind, ExtendedAnnotation anno) { | |
| 53 this.kind = kind; | |
| 54 this.anno = anno; | |
| 55 } | |
| 56 public final NoteKind kind; | |
| 57 public final ExtendedAnnotation anno; | |
| 58 } | |
| 59 | |
| 60 static TypeAnnotationWriter instance(Context context) { | |
| 61 TypeAnnotationWriter instance = context.get(TypeAnnotationWriter.class); | |
| 62 if (instance == null) | |
| 63 instance = new TypeAnnotationWriter(context); | |
| 64 return instance; | |
| 65 } | |
| 66 | |
| 67 protected TypeAnnotationWriter(Context context) { | |
| 68 super(context); | |
| 69 context.put(TypeAnnotationWriter.class, this); | |
| 70 annotationWriter = AnnotationWriter.instance(context); | |
| 71 classWriter = ClassWriter.instance(context); | |
| 72 } | |
| 73 | |
| 74 public void reset(Code_attribute attr) { | |
| 75 Method m = classWriter.getMethod(); | |
| 76 pcMap = new HashMap<Integer, List<Note>>(); | |
| 77 check(NoteKind.VISIBLE, (RuntimeVisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeVisibleTypeAnnotations)); | |
| 78 check(NoteKind.INVISIBLE, (RuntimeInvisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeInvisibleTypeAnnotations)); | |
| 79 } | |
| 80 | |
| 81 private void check(NoteKind kind, RuntimeTypeAnnotations_attribute attr) { | |
| 82 if (attr == null) | |
| 83 return; | |
| 84 | |
| 85 for (ExtendedAnnotation anno: attr.annotations) { | |
| 86 Position p = anno.position; | |
| 87 Note note = null; | |
| 88 if (p.offset != -1) | |
| 89 addNote(p.offset, note = new Note(kind, anno)); | |
| 90 if (p.lvarOffset != null) { | |
| 91 for (int i = 0; i < p.lvarOffset.length; i++) { | |
| 92 if (note == null) | |
| 93 note = new Note(kind, anno); | |
| 94 addNote(p.lvarOffset[i], note); | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 private void addNote(int pc, Note note) { | |
| 101 List<Note> list = pcMap.get(pc); | |
| 102 if (list == null) | |
| 103 pcMap.put(pc, list = new ArrayList<Note>()); | |
| 104 list.add(note); | |
| 105 } | |
| 106 | |
| 107 @Override | |
| 108 void writeDetails(Instruction instr) { | |
| 109 String indent = space(2); // get from Options? | |
| 110 int pc = instr.getPC(); | |
| 111 List<Note> notes = pcMap.get(pc); | |
| 112 if (notes != null) { | |
| 113 for (Note n: notes) { | |
| 114 print(indent); | |
| 115 print("@"); | |
| 116 annotationWriter.write(n.anno, false, true); | |
| 117 print(", "); | |
| 118 println(n.kind.toString().toLowerCase()); | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 private AnnotationWriter annotationWriter; | |
| 124 private ClassWriter classWriter; | |
| 125 private Map<Integer, List<Note>> pcMap; | |
| 126 } |
