author | jjg |
Thu, 10 Jun 2010 16:08:01 -0700 | |
changeset 5847 | 1908176fd6e3 |
parent 5520 | 86e4b9a9da40 |
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/* |
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javap; |
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import com.sun.tools.classfile.Attribute; |
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import com.sun.tools.classfile.Code_attribute; |
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import com.sun.tools.classfile.ExtendedAnnotation; |
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import com.sun.tools.classfile.ExtendedAnnotation.Position; |
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import com.sun.tools.classfile.Instruction; |
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import com.sun.tools.classfile.Method; |
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import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute; |
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import com.sun.tools.classfile.RuntimeTypeAnnotations_attribute; |
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import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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/** |
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* Annotate instructions with details about type annotations. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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public class TypeAnnotationWriter extends InstructionDetailWriter { |
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public enum NoteKind { VISIBLE, INVISIBLE }; |
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public static class Note { |
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Note(NoteKind kind, ExtendedAnnotation anno) { |
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this.kind = kind; |
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this.anno = anno; |
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} |
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public final NoteKind kind; |
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public final ExtendedAnnotation anno; |
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} |
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static TypeAnnotationWriter instance(Context context) { |
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TypeAnnotationWriter instance = context.get(TypeAnnotationWriter.class); |
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if (instance == null) |
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instance = new TypeAnnotationWriter(context); |
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return instance; |
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} |
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protected TypeAnnotationWriter(Context context) { |
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super(context); |
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context.put(TypeAnnotationWriter.class, this); |
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annotationWriter = AnnotationWriter.instance(context); |
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classWriter = ClassWriter.instance(context); |
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} |
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public void reset(Code_attribute attr) { |
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Method m = classWriter.getMethod(); |
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pcMap = new HashMap<Integer, List<Note>>(); |
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check(NoteKind.VISIBLE, (RuntimeVisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeVisibleTypeAnnotations)); |
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check(NoteKind.INVISIBLE, (RuntimeInvisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeInvisibleTypeAnnotations)); |
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} |
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private void check(NoteKind kind, RuntimeTypeAnnotations_attribute attr) { |
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if (attr == null) |
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return; |
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for (ExtendedAnnotation anno: attr.annotations) { |
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Position p = anno.position; |
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Note note = null; |
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if (p.offset != -1) |
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addNote(p.offset, note = new Note(kind, anno)); |
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if (p.lvarOffset != null) { |
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for (int i = 0; i < p.lvarOffset.length; i++) { |
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if (note == null) |
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note = new Note(kind, anno); |
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addNote(p.lvarOffset[i], note); |
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} |
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} |
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} |
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} |
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private void addNote(int pc, Note note) { |
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List<Note> list = pcMap.get(pc); |
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if (list == null) |
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pcMap.put(pc, list = new ArrayList<Note>()); |
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list.add(note); |
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} |
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@Override |
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void writeDetails(Instruction instr) { |
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String indent = space(2); // get from Options? |
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int pc = instr.getPC(); |
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List<Note> notes = pcMap.get(pc); |
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if (notes != null) { |
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for (Note n: notes) { |
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print(indent); |
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print("@"); |
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annotationWriter.write(n.anno, false, true); |
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print(", "); |
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println(n.kind.toString().toLowerCase()); |
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} |
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} |
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} |
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private AnnotationWriter annotationWriter; |
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private ClassWriter classWriter; |
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private Map<Integer, List<Note>> pcMap; |
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} |