/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.classloader;
public interface ClassLoaderConstants {
// Attribute modifiers for class-, method-, and field- descriptions.
//
// applicability
// name value class field method
// --------------- -------- ----- ----- ------
short ACC_PUBLIC = 0x0001; // X X X
short ACC_PRIVATE = 0x0002; // X X X (applicable to inner classes)
short ACC_PROTECTED = 0x0004; // X X X (applicable to inner classes)
short ACC_STATIC = 0x0008; // X X X (applicable to inner classes)
short ACC_FINAL = 0x0010; // X X X
short ACC_SYNCHRONIZED = 0x0020; // - - X <- same value as ACC_SUPER
short ACC_SUPER = 0x0020; // X - - <- same value as ACC_SYNCHRONIZED
short ACC_VOLATILE = 0x0040; // - X -
short BRIDGE = 0x0040; // - - X <- same value as ACC_VOLATILE
short ACC_TRANSIENT = 0x0080; // - X -
short VARARGS = 0x0080; // - - X <- same value as ACC_TRANSIENT
short ACC_NATIVE = 0x0100; // - - X
short ACC_INTERFACE = 0x0200; // X - -
short ACC_ABSTRACT = 0x0400; // X - X
short ACC_STRICT = 0x0800; // - - X
short ACC_SYNTHETIC = 0x1000; // X X X
short ACC_ANNOTATION = 0x2000; // X - -
short ACC_ENUM = 0x4000; // X X -
short APPLICABLE_TO_FIELDS =
(ACC_PUBLIC |
ACC_PRIVATE |
ACC_PROTECTED |
ACC_STATIC |
ACC_FINAL |
ACC_VOLATILE |
ACC_TRANSIENT |
ACC_SYNTHETIC |
ACC_ENUM);
short APPLICABLE_TO_METHODS =
(ACC_PUBLIC |
ACC_PRIVATE |
ACC_PROTECTED |
ACC_STATIC |
ACC_FINAL |
ACC_SYNCHRONIZED |
BRIDGE |
VARARGS |
ACC_NATIVE |
ACC_ABSTRACT |
ACC_STRICT |
ACC_SYNTHETIC);
short APPLICABLE_TO_CLASSES =
(ACC_PUBLIC |
ACC_PRIVATE |
ACC_STATIC |
ACC_FINAL |
ACC_SUPER |
ACC_INTERFACE |
ACC_ABSTRACT |
ACC_SYNTHETIC |
ACC_ANNOTATION |
ACC_ENUM);
/* Possible states of a class description. */
/** nothing present yet */
byte CLASS_VACANT = 0;
/** .class file contents read successfully */
byte CLASS_LOADED = 1;
/** fields & methods laid out, tib & statics allocated */
byte CLASS_RESOLVED = 2;
/** tib and jtoc populated */
byte CLASS_INSTANTIATED = 3;
/** <clinit> running (allocations possible) */
byte CLASS_INITIALIZING = 4;
/** exception occurred while running <clinit> class cannot be initialized successfully */
byte CLASS_INITIALIZER_FAILED = 5;
/** statics initialized */
byte CLASS_INITIALIZED = 6;
// Constant pool entry tags.
//
byte TAG_UTF = 1;
byte TAG_UNUSED = 2;
byte TAG_INT = 3;
byte TAG_FLOAT = 4;
byte TAG_LONG = 5;
byte TAG_DOUBLE = 6;
byte TAG_TYPEREF = 7;
byte TAG_STRING = 8;
byte TAG_FIELDREF = 9;
byte TAG_METHODREF = 10;
byte TAG_INTERFACE_METHODREF = 11;
byte TAG_MEMBERNAME_AND_DESCRIPTOR = 12;
// Type codes for class, array, and primitive types.
//
byte ClassTypeCode = (byte) 'L';
byte ArrayTypeCode = (byte) '[';
byte VoidTypeCode = (byte) 'V';
byte BooleanTypeCode = (byte) 'Z';
byte ByteTypeCode = (byte) 'B';
byte ShortTypeCode = (byte) 'S';
byte IntTypeCode = (byte) 'I';
byte LongTypeCode = (byte) 'J';
byte FloatTypeCode = (byte) 'F';
byte DoubleTypeCode = (byte) 'D';
byte CharTypeCode = (byte) 'C';
// Constants for our internal encoding of constant pools.
/** Constant pool entry for a UTF-8 encoded atom */
byte CP_UTF = 0;
/** Constant pool entry for int literal */
byte CP_INT = 1;
/** Constant pool entry for long literal */
byte CP_LONG = 2;
/** Constant pool entry for float literal */
byte CP_FLOAT = 3;
/** Constant pool entry for double literal */
byte CP_DOUBLE = 4;
/** Constant pool entry for string literal (for annotations, may be other objects) */
byte CP_STRING = 5;
/** Constant pool entry for member (field or method) reference */
byte CP_MEMBER = 6;
/** Constant pool entry for type reference or class literal */
byte CP_CLASS = 7;
}