jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java@4baab658f357 (annotated)

src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java@4baab658f357 (annotated)

src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java

Wed, 02 Mar 2011 21:13:55 -0800

author: jjg
date: Wed, 02 Mar 2011 21:13:55 -0800
changeset 904: 4baab658f357
parent 798: 4868a36f6fd8
child 1521: 71f35e4b93a5
permissions: -rw-r--r--

6639645: Modeling type implementing missing interfaces
Reviewed-by: darcy, mcimadamore

 /*
  * Copyright (c) 2003, 2010, 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.javac.code;
 import com.sun.tools.javac.util.*;
 /** A type annotation position.
 *
 *  <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 TypeAnnotationPosition {
     public TargetType type = TargetType.UNKNOWN;
     // For generic/array types.
     public List<Integer> location = List.nil();
     // Tree position.
     public int pos = -1;
     // For typecasts, type tests, new (and locals, as start_pc).
     public boolean isValidOffset = false;
     public int offset = -1;
     // For locals. arrays same length
     public int[] lvarOffset = null;
     public int[] lvarLength = null;
     public int[] lvarIndex = null;
     // For type parameter bound
     public int bound_index = Integer.MIN_VALUE;
     // For type parameter and method parameter
     public int parameter_index = Integer.MIN_VALUE;
     // For class extends, implements, and throws classes
     public int type_index = Integer.MIN_VALUE;
     // For wildcards
     public TypeAnnotationPosition wildcard_position = null;
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
         sb.append('[');
         sb.append(type);
         switch (type) {
         // type case
         case TYPECAST:
         case TYPECAST_GENERIC_OR_ARRAY:
             // object creation
         case INSTANCEOF:
         case INSTANCEOF_GENERIC_OR_ARRAY:
             // new expression
         case NEW:
         case NEW_GENERIC_OR_ARRAY:
         case NEW_TYPE_ARGUMENT:
         case NEW_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
             sb.append(", offset = ");
             sb.append(offset);
             break;
             // local variable
         case LOCAL_VARIABLE:
         case LOCAL_VARIABLE_GENERIC_OR_ARRAY:
             sb.append(", {");
             for (int i = 0; i < lvarOffset.length; ++i) {
                 if (i != 0) sb.append("; ");
                 sb.append(", start_pc = ");
                 sb.append(lvarOffset[i]);
                 sb.append(", length = ");
                 sb.append(lvarLength[i]);
                 sb.append(", index = ");
                 sb.append(lvarIndex[i]);
             }
             sb.append("}");
             break;
             // method receiver
         case METHOD_RECEIVER:
             // Do nothing
             break;
             // type parameters
         case CLASS_TYPE_PARAMETER:
         case METHOD_TYPE_PARAMETER:
             sb.append(", param_index = ");
             sb.append(parameter_index);
             break;
             // type parameters bound
         case CLASS_TYPE_PARAMETER_BOUND:
         case CLASS_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
         case METHOD_TYPE_PARAMETER_BOUND:
         case METHOD_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
             sb.append(", param_index = ");
             sb.append(parameter_index);
             sb.append(", bound_index = ");
             sb.append(bound_index);
             break;
             // wildcard
         case WILDCARD_BOUND:
         case WILDCARD_BOUND_GENERIC_OR_ARRAY:
             sb.append(", wild_card = ");
             sb.append(wildcard_position);
             break;
             // Class extends and implements clauses
         case CLASS_EXTENDS:
         case CLASS_EXTENDS_GENERIC_OR_ARRAY:
             sb.append(", type_index = ");
             sb.append(type_index);
             break;
             // throws
         case THROWS:
             sb.append(", type_index = ");
             sb.append(type_index);
             break;
         case CLASS_LITERAL:
         case CLASS_LITERAL_GENERIC_OR_ARRAY:
             sb.append(", offset = ");
             sb.append(offset);
             break;
             // method parameter: not specified
         case METHOD_PARAMETER_GENERIC_OR_ARRAY:
             sb.append(", param_index = ");
             sb.append(parameter_index);
             break;
             // method type argument: wasn't specified
         case METHOD_TYPE_ARGUMENT:
         case METHOD_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
             sb.append(", offset = ");
             sb.append(offset);
             sb.append(", type_index = ");
             sb.append(type_index);
             break;
             // We don't need to worry abut these
         case METHOD_RETURN_GENERIC_OR_ARRAY:
         case FIELD_GENERIC_OR_ARRAY:
             break;
         case UNKNOWN:
             break;
         default:
             //                throw new AssertionError("unknown type: " + type);
         }
         // Append location data for generics/arrays.
         if (type.hasLocation()) {
             sb.append(", location = (");
             sb.append(location);
             sb.append(")");
         }
         sb.append(", pos = ");
         sb.append(pos);
         sb.append(']');
         return sb.toString();
     }
     /**
      * Indicates whether the target tree of the annotation has been optimized
      * away from classfile or not.
      * @return true if the target has not been optimized away
      */
     public boolean emitToClassfile() {
         if (type == TargetType.WILDCARD_BOUND
             || type == TargetType.WILDCARD_BOUND_GENERIC_OR_ARRAY)
             return wildcard_position.isValidOffset;
         else
             return !type.isLocal() || isValidOffset;
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java@4baab658f357 (annotated)

src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java