jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java@777a3efad0d5 (annotated)

src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java@777a3efad0d5 (annotated)

src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java

Tue, 28 Jul 2009 10:36:25 -0700

author: jjg
date: Tue, 28 Jul 2009 10:36:25 -0700
changeset 338: 777a3efad0d5
child 554: 9d9f26857129
permissions: -rw-r--r--

6855990: javap InstructionDetailWriter should support new 308 annotations attribute
Reviewed-by: mcimadamore

 /*
  * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 package com.sun.tools.javap;
 import com.sun.tools.classfile.Attribute;
 import com.sun.tools.classfile.Code_attribute;
 import com.sun.tools.classfile.ExtendedAnnotation;
 import com.sun.tools.classfile.ExtendedAnnotation.Position;
 import com.sun.tools.classfile.Instruction;
 import com.sun.tools.classfile.Method;
 import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute;
 import com.sun.tools.classfile.RuntimeTypeAnnotations_attribute;
 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 /**
  * Annotate instructions with details about type annotations.
  *
  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
  *  you write code that depends on this, you do so at your own risk.
  *  This code and its internal interfaces are subject to change or
  *  deletion without notice.</b>
  */
 public class TypeAnnotationWriter extends InstructionDetailWriter {
     public enum NoteKind { VISIBLE, INVISIBLE };
     public static class Note {
         Note(NoteKind kind, ExtendedAnnotation anno) {
             this.kind = kind;
             this.anno = anno;
         }
         public final NoteKind kind;
         public final ExtendedAnnotation anno;
     }
     static TypeAnnotationWriter instance(Context context) {
         TypeAnnotationWriter instance = context.get(TypeAnnotationWriter.class);
         if (instance == null)
             instance = new TypeAnnotationWriter(context);
         return instance;
     }
     protected TypeAnnotationWriter(Context context) {
         super(context);
         context.put(TypeAnnotationWriter.class, this);
         annotationWriter = AnnotationWriter.instance(context);
         classWriter = ClassWriter.instance(context);
     }
     public void reset(Code_attribute attr) {
         Method m = classWriter.getMethod();
         pcMap = new HashMap<Integer, List<Note>>();
         check(NoteKind.VISIBLE, (RuntimeVisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeVisibleTypeAnnotations));
         check(NoteKind.INVISIBLE, (RuntimeInvisibleTypeAnnotations_attribute) m.attributes.get(Attribute.RuntimeInvisibleTypeAnnotations));
     }
     private void check(NoteKind kind, RuntimeTypeAnnotations_attribute attr) {
         if (attr == null)
             return;
         for (ExtendedAnnotation anno: attr.annotations) {
             Position p = anno.position;
             Note note = null;
             if (p.offset != -1)
                 addNote(p.offset, note = new Note(kind, anno));
             if (p.lvarOffset != null) {
                 for (int i = 0; i < p.lvarOffset.length; i++) {
                     if (note == null)
                         note = new Note(kind, anno);
                     addNote(p.lvarOffset[i], note);
                 }
             }
         }
     }
     private void addNote(int pc, Note note) {
         List<Note> list = pcMap.get(pc);
         if (list == null)
             pcMap.put(pc, list = new ArrayList<Note>());
         list.add(note);
     }
     @Override
     void writeDetails(Instruction instr) {
         String indent = space(2); // get from Options?
         int pc = instr.getPC();
         List<Note> notes = pcMap.get(pc);
         if (notes != null) {
             for (Note n: notes) {
                 print(indent);
                 print("@");
                 annotationWriter.write(n.anno, false, true);
                 print(", ");
                 println(n.kind.toString().toLowerCase());
             }
         }
     }
     private AnnotationWriter annotationWriter;
     private ClassWriter classWriter;
     private Map<Integer, List<Note>> pcMap;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java@777a3efad0d5 (annotated)

src/share/classes/com/sun/tools/javap/TypeAnnotationWriter.java