jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/classfile/Attribute.java@31780dd06ec7 (annotated)

src/share/classes/com/sun/tools/classfile/Attribute.java@31780dd06ec7 (annotated)

src/share/classes/com/sun/tools/classfile/Attribute.java

Sat, 29 Dec 2012 17:33:17 -0800

author: jjg
date: Sat, 29 Dec 2012 17:33:17 -0800
changeset 1473: 31780dd06ec7
parent 826: 5cf6c432ef2f
child 1521: 71f35e4b93a5
permissions: -rw-r--r--

8004727: Add compiler support for parameter reflection
Reviewed-by: jjg
Contributed-by: eric.mccorkle@oracle.com

 /*
  * Copyright (c) 2007, 2012, Oracle and/or its affiliates. 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.classfile;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.util.HashMap;
 import java.util.Map;
 /**
  *  <p><b>This is NOT part of any supported API.
  *  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 abstract class Attribute {
     public static final String AnnotationDefault        = "AnnotationDefault";
     public static final String BootstrapMethods         = "BootstrapMethods";
     public static final String CharacterRangeTable      = "CharacterRangeTable";
     public static final String Code                     = "Code";
     public static final String ConstantValue            = "ConstantValue";
     public static final String CompilationID            = "CompilationID";
     public static final String Deprecated               = "Deprecated";
     public static final String EnclosingMethod          = "EnclosingMethod";
     public static final String Exceptions               = "Exceptions";
     public static final String InnerClasses             = "InnerClasses";
     public static final String LineNumberTable          = "LineNumberTable";
     public static final String LocalVariableTable       = "LocalVariableTable";
     public static final String LocalVariableTypeTable   = "LocalVariableTypeTable";
     public static final String MethodParameters         = "MethodParameters";
     public static final String RuntimeVisibleAnnotations = "RuntimeVisibleAnnotations";
     public static final String RuntimeInvisibleAnnotations = "RuntimeInvisibleAnnotations";
     public static final String RuntimeVisibleParameterAnnotations = "RuntimeVisibleParameterAnnotations";
     public static final String RuntimeInvisibleParameterAnnotations = "RuntimeInvisibleParameterAnnotations";
     public static final String Signature                = "Signature";
     public static final String SourceDebugExtension     = "SourceDebugExtension";
     public static final String SourceFile               = "SourceFile";
     public static final String SourceID                 = "SourceID";
     public static final String StackMap                 = "StackMap";
     public static final String StackMapTable            = "StackMapTable";
     public static final String Synthetic                = "Synthetic";
     public static class Factory {
         public Factory() {
             // defer init of standardAttributeClasses until after options set up
         }
         public void setCompat(boolean compat) {
             this.compat = compat;
         }
         public Attribute createAttribute(ClassReader cr, int name_index, byte[] data)
                 throws IOException {
             if (standardAttributes == null)
                 init();
             ConstantPool cp = cr.getConstantPool();
             try {
                 String name = cp.getUTF8Value(name_index);
                 Class<? extends Attribute> attrClass = standardAttributes.get(name);
                 if (attrClass != null) {
                     try {
                         Class<?>[] constrArgTypes = {ClassReader.class, int.class, int.class};
                         Constructor<? extends Attribute> constr = attrClass.getDeclaredConstructor(constrArgTypes);
                         return constr.newInstance(new Object[] { cr, name_index, data.length });
                     } catch (Throwable t) {
                         // fall through and use DefaultAttribute
                         // t.printStackTrace();
                     }
                 }
             } catch (ConstantPoolException e) {
                 // fall through and use DefaultAttribute
             }
             return new DefaultAttribute(cr, name_index, data);
         }
         protected void init() {
             standardAttributes = new HashMap<String,Class<? extends Attribute>>();
             standardAttributes.put(AnnotationDefault, AnnotationDefault_attribute.class);
             standardAttributes.put(BootstrapMethods, BootstrapMethods_attribute.class);
             standardAttributes.put(CharacterRangeTable, CharacterRangeTable_attribute.class);
             standardAttributes.put(Code,              Code_attribute.class);
             standardAttributes.put(ConstantValue,     ConstantValue_attribute.class);
             standardAttributes.put(Deprecated,        Deprecated_attribute.class);
             standardAttributes.put(EnclosingMethod,   EnclosingMethod_attribute.class);
             standardAttributes.put(Exceptions,        Exceptions_attribute.class);
             standardAttributes.put(InnerClasses,      InnerClasses_attribute.class);
             standardAttributes.put(LineNumberTable,   LineNumberTable_attribute.class);
             standardAttributes.put(LocalVariableTable, LocalVariableTable_attribute.class);
             standardAttributes.put(LocalVariableTypeTable, LocalVariableTypeTable_attribute.class);
             if (!compat) { // old javap does not recognize recent attributes
                 standardAttributes.put(MethodParameters, MethodParameters_attribute.class);
                 standardAttributes.put(CompilationID, CompilationID_attribute.class);
                 standardAttributes.put(RuntimeInvisibleAnnotations, RuntimeInvisibleAnnotations_attribute.class);
                 standardAttributes.put(RuntimeInvisibleParameterAnnotations, RuntimeInvisibleParameterAnnotations_attribute.class);
                 standardAttributes.put(RuntimeVisibleAnnotations, RuntimeVisibleAnnotations_attribute.class);
                 standardAttributes.put(RuntimeVisibleParameterAnnotations, RuntimeVisibleParameterAnnotations_attribute.class);
                 standardAttributes.put(Signature,     Signature_attribute.class);
                 standardAttributes.put(SourceID, SourceID_attribute.class);
             }
             standardAttributes.put(SourceDebugExtension, SourceDebugExtension_attribute.class);
             standardAttributes.put(SourceFile,        SourceFile_attribute.class);
             standardAttributes.put(StackMap,          StackMap_attribute.class);
             standardAttributes.put(StackMapTable,     StackMapTable_attribute.class);
             standardAttributes.put(Synthetic,         Synthetic_attribute.class);
         }
         private Map<String,Class<? extends Attribute>> standardAttributes;
         private boolean compat; // don't support recent attrs in compatibility mode
     }
     public static Attribute read(ClassReader cr) throws IOException {
         return cr.readAttribute();
     }
     protected Attribute(int name_index, int length) {
         attribute_name_index = name_index;
         attribute_length = length;
     }
     public String getName(ConstantPool constant_pool) throws ConstantPoolException {
         return constant_pool.getUTF8Value(attribute_name_index);
     }
     public abstract <R,D> R accept(Attribute.Visitor<R,D> visitor, D data);
     public int byteLength() {
         return 6 + attribute_length;
     }
     public final int attribute_name_index;
     public final int attribute_length;
     public interface Visitor<R,P> {
         R visitBootstrapMethods(BootstrapMethods_attribute attr, P p);
         R visitDefault(DefaultAttribute attr, P p);
         R visitAnnotationDefault(AnnotationDefault_attribute attr, P p);
         R visitCharacterRangeTable(CharacterRangeTable_attribute attr, P p);
         R visitCode(Code_attribute attr, P p);
         R visitCompilationID(CompilationID_attribute attr, P p);
         R visitConstantValue(ConstantValue_attribute attr, P p);
         R visitDeprecated(Deprecated_attribute attr, P p);
         R visitEnclosingMethod(EnclosingMethod_attribute attr, P p);
         R visitExceptions(Exceptions_attribute attr, P p);
         R visitInnerClasses(InnerClasses_attribute attr, P p);
         R visitLineNumberTable(LineNumberTable_attribute attr, P p);
         R visitLocalVariableTable(LocalVariableTable_attribute attr, P p);
         R visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, P p);
         R visitMethodParameters(MethodParameters_attribute attr, P p);
         R visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, P p);
         R visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, P p);
         R visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, P p);
         R visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, P p);
         R visitSignature(Signature_attribute attr, P p);
         R visitSourceDebugExtension(SourceDebugExtension_attribute attr, P p);
         R visitSourceFile(SourceFile_attribute attr, P p);
         R visitSourceID(SourceID_attribute attr, P p);
         R visitStackMap(StackMap_attribute attr, P p);
         R visitStackMapTable(StackMapTable_attribute attr, P p);
         R visitSynthetic(Synthetic_attribute attr, P p);
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/classfile/Attribute.java@31780dd06ec7 (annotated)

src/share/classes/com/sun/tools/classfile/Attribute.java