jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javap/AnnotationWriter.java@959103a6100f (annotated)

src/share/classes/com/sun/tools/javap/AnnotationWriter.java@959103a6100f (annotated)

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

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 2007, 2013, 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.javap;
 import com.sun.tools.classfile.Annotation;
 import com.sun.tools.classfile.TypeAnnotation;
 import com.sun.tools.classfile.Annotation.Annotation_element_value;
 import com.sun.tools.classfile.Annotation.Array_element_value;
 import com.sun.tools.classfile.Annotation.Class_element_value;
 import com.sun.tools.classfile.Annotation.Enum_element_value;
 import com.sun.tools.classfile.Annotation.Primitive_element_value;
 import com.sun.tools.classfile.ConstantPool;
 import com.sun.tools.classfile.ConstantPoolException;
 import com.sun.tools.classfile.Descriptor;
 import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
 /**
  *  A writer for writing annotations as text.
  *
  *  <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 class AnnotationWriter extends BasicWriter {
     static AnnotationWriter instance(Context context) {
         AnnotationWriter instance = context.get(AnnotationWriter.class);
         if (instance == null)
             instance = new AnnotationWriter(context);
         return instance;
     }
     protected AnnotationWriter(Context context) {
         super(context);
         classWriter = ClassWriter.instance(context);
         constantWriter = ConstantWriter.instance(context);
     }
     public void write(Annotation annot) {
         write(annot, false);
     }
     public void write(Annotation annot, boolean resolveIndices) {
         writeDescriptor(annot.type_index, resolveIndices);
         boolean showParens = annot.num_element_value_pairs > 0 || !resolveIndices;
         if (showParens)
             print("(");
         for (int i = 0; i < annot.num_element_value_pairs; i++) {
             if (i > 0)
                 print(",");
             write(annot.element_value_pairs[i], resolveIndices);
         }
         if (showParens)
             print(")");
     }
     public void write(TypeAnnotation annot) {
         write(annot, true, false);
     }
     public void write(TypeAnnotation annot, boolean showOffsets, boolean resolveIndices) {
         write(annot.annotation, resolveIndices);
         print(": ");
         write(annot.position, showOffsets);
     }
     public void write(TypeAnnotation.Position pos, boolean showOffsets) {
         print(pos.type);
         switch (pos.type) {
         // instanceof
         case INSTANCEOF:
         // new expression
         case NEW:
         // constructor/method reference receiver
         case CONSTRUCTOR_REFERENCE:
         case METHOD_REFERENCE:
             if (showOffsets) {
                 print(", offset=");
                 print(pos.offset);
             }
             break;
         // local variable
         case LOCAL_VARIABLE:
         // resource variable
         case RESOURCE_VARIABLE:
             if (pos.lvarOffset == null) {
                 print(", lvarOffset is Null!");
                 break;
             }
             print(", {");
             for (int i = 0; i < pos.lvarOffset.length; ++i) {
                 if (i != 0) print("; ");
                 if (showOffsets) {
                     print("start_pc=");
                     print(pos.lvarOffset[i]);
                 }
                 print(", length=");
                 print(pos.lvarLength[i]);
                 print(", index=");
                 print(pos.lvarIndex[i]);
             }
             print("}");
             break;
         // exception parameter
         case EXCEPTION_PARAMETER:
             print(", exception_index=");
             print(pos.exception_index);
             break;
         // method receiver
         case METHOD_RECEIVER:
             // Do nothing
             break;
         // type parameter
         case CLASS_TYPE_PARAMETER:
         case METHOD_TYPE_PARAMETER:
             print(", param_index=");
             print(pos.parameter_index);
             break;
         // type parameter bound
         case CLASS_TYPE_PARAMETER_BOUND:
         case METHOD_TYPE_PARAMETER_BOUND:
             print(", param_index=");
             print(pos.parameter_index);
             print(", bound_index=");
             print(pos.bound_index);
             break;
         // class extends or implements clause
         case CLASS_EXTENDS:
             print(", type_index=");
             print(pos.type_index);
             break;
         // throws
         case THROWS:
             print(", type_index=");
             print(pos.type_index);
             break;
         // method parameter
         case METHOD_FORMAL_PARAMETER:
             print(", param_index=");
             print(pos.parameter_index);
             break;
         // type cast
         case CAST:
         // method/constructor/reference type argument
         case CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT:
         case METHOD_INVOCATION_TYPE_ARGUMENT:
         case CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT:
         case METHOD_REFERENCE_TYPE_ARGUMENT:
             if (showOffsets) {
                 print(", offset=");
                 print(pos.offset);
             }
             print(", type_index=");
             print(pos.type_index);
             break;
         // We don't need to worry about these
         case METHOD_RETURN:
         case FIELD:
             break;
         case UNKNOWN:
             throw new AssertionError("AnnotationWriter: UNKNOWN target type should never occur!");
         default:
             throw new AssertionError("AnnotationWriter: Unknown target type for position: " + pos);
         }
         // Append location data for generics/arrays.
         if (!pos.location.isEmpty()) {
             print(", location=");
             print(pos.location);
         }
     }
     public void write(Annotation.element_value_pair pair) {
         write(pair, false);
     }
     public void write(Annotation.element_value_pair pair, boolean resolveIndices) {
         writeIndex(pair.element_name_index, resolveIndices);
         print("=");
         write(pair.value, resolveIndices);
     }
     public void write(Annotation.element_value value) {
         write(value, false);
     }
     public void write(Annotation.element_value value, boolean resolveIndices) {
         ev_writer.write(value, resolveIndices);
     }
     private void writeDescriptor(int index, boolean resolveIndices) {
         if (resolveIndices) {
             try {
                 ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
                 Descriptor d = new Descriptor(index);
                 print(d.getFieldType(constant_pool));
                 return;
             } catch (ConstantPoolException ignore) {
             } catch (InvalidDescriptor ignore) {
             }
         }
         print("#" + index);
     }
     private void writeIndex(int index, boolean resolveIndices) {
         if (resolveIndices) {
             print(constantWriter.stringValue(index));
         } else
             print("#" + index);
     }
     element_value_Writer ev_writer = new element_value_Writer();
     class element_value_Writer implements Annotation.element_value.Visitor<Void,Boolean> {
         public void write(Annotation.element_value value, boolean resolveIndices) {
             value.accept(this, resolveIndices);
         }
         public Void visitPrimitive(Primitive_element_value ev, Boolean resolveIndices) {
             if (resolveIndices)
                 writeIndex(ev.const_value_index, resolveIndices);
             else
                 print(((char) ev.tag) + "#" + ev.const_value_index);
             return null;
         }
         public Void visitEnum(Enum_element_value ev, Boolean resolveIndices) {
             if (resolveIndices) {
                 writeIndex(ev.type_name_index, resolveIndices);
                 print(".");
                 writeIndex(ev.const_name_index, resolveIndices);
             } else
                 print(((char) ev.tag) + "#" + ev.type_name_index + ".#" + ev.const_name_index);
             return null;
         }
         public Void visitClass(Class_element_value ev, Boolean resolveIndices) {
             if (resolveIndices) {
                 writeIndex(ev.class_info_index, resolveIndices);
                 print(".class");
             } else
                 print(((char) ev.tag) + "#" + ev.class_info_index);
             return null;
         }
         public Void visitAnnotation(Annotation_element_value ev, Boolean resolveIndices) {
             print((char) ev.tag);
             AnnotationWriter.this.write(ev.annotation_value, resolveIndices);
             return null;
         }
         public Void visitArray(Array_element_value ev, Boolean resolveIndices) {
             print("[");
             for (int i = 0; i < ev.num_values; i++) {
                 if (i > 0)
                     print(",");
                 write(ev.values[i], resolveIndices);
             }
             print("]");
             return null;
         }
     }
     private ClassWriter classWriter;
     private ConstantWriter constantWriter;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javap/AnnotationWriter.java@959103a6100f (annotated)

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