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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dx.io;
     18 
     19 /**
     20  * The various types that an index in a Dalvik instruction might refer to.
     21  */
     22 public enum IndexType {
     23     /** "Unknown." Used for undefined opcodes. */
     24     UNKNOWN,
     25 
     26     /** no index used */
     27     NONE,
     28 
     29     /** "It depends." Used for {@code throw-verification-error}. */
     30     VARIES,
     31 
     32     /** type reference index */
     33     TYPE_REF,
     34 
     35     /** string reference index */
     36     STRING_REF,
     37 
     38     /** method reference index */
     39     METHOD_REF,
     40 
     41     /** field reference index */
     42     FIELD_REF,
     43 
     44     /** inline method index (for inline linked method invocations) */
     45     INLINE_METHOD,
     46 
     47     /** direct vtable offset (for static linked method invocations) */
     48     VTABLE_OFFSET,
     49 
     50     /** direct field offset (for static linked field accesses) */
     51     FIELD_OFFSET;
     52 }
     53