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

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 1
9a66ca7c79fa
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9d9f26857129
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duke@1 1 /*
duke@1 2 * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation. Sun designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
duke@1 9 * by Sun in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
duke@1 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 22 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 23 * have any questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javac.code;
duke@1 27
duke@1 28
duke@1 29 /** An interface for type tag values, which distinguish between different
duke@1 30 * sorts of types.
duke@1 31 *
duke@1 32 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
duke@1 33 * you write code that depends on this, you do so at your own risk.
duke@1 34 * This code and its internal interfaces are subject to change or
duke@1 35 * deletion without notice.</b>
duke@1 36 */
duke@1 37 public class TypeTags {
duke@1 38
duke@1 39 private TypeTags() {} // uninstantiable
duke@1 40
duke@1 41 /** The tag of the basic type `byte'.
duke@1 42 */
duke@1 43 public static final int BYTE = 1;
duke@1 44
duke@1 45 /** The tag of the basic type `char'.
duke@1 46 */
duke@1 47 public static final int CHAR = BYTE+1;
duke@1 48
duke@1 49 /** The tag of the basic type `short'.
duke@1 50 */
duke@1 51 public static final int SHORT = CHAR+1;
duke@1 52
duke@1 53 /** The tag of the basic type `int'.
duke@1 54 */
duke@1 55 public static final int INT = SHORT+1;
duke@1 56
duke@1 57 /** The tag of the basic type `long'.
duke@1 58 */
duke@1 59 public static final int LONG = INT+1;
duke@1 60
duke@1 61 /** The tag of the basic type `float'.
duke@1 62 */
duke@1 63 public static final int FLOAT = LONG+1;
duke@1 64
duke@1 65 /** The tag of the basic type `double'.
duke@1 66 */
duke@1 67 public static final int DOUBLE = FLOAT+1;
duke@1 68
duke@1 69 /** The tag of the basic type `boolean'.
duke@1 70 */
duke@1 71 public static final int BOOLEAN = DOUBLE+1;
duke@1 72
duke@1 73 /** The tag of the type `void'.
duke@1 74 */
duke@1 75 public static final int VOID = BOOLEAN+1;
duke@1 76
duke@1 77 /** The tag of all class and interface types.
duke@1 78 */
duke@1 79 public static final int CLASS = VOID+1;
duke@1 80
duke@1 81 /** The tag of all array types.
duke@1 82 */
duke@1 83 public static final int ARRAY = CLASS+1;
duke@1 84
duke@1 85 /** The tag of all (monomorphic) method types.
duke@1 86 */
duke@1 87 public static final int METHOD = ARRAY+1;
duke@1 88
duke@1 89 /** The tag of all package "types".
duke@1 90 */
duke@1 91 public static final int PACKAGE = METHOD+1;
duke@1 92
duke@1 93 /** The tag of all (source-level) type variables.
duke@1 94 */
duke@1 95 public static final int TYPEVAR = PACKAGE+1;
duke@1 96
duke@1 97 /** The tag of all type arguments.
duke@1 98 */
duke@1 99 public static final int WILDCARD = TYPEVAR+1;
duke@1 100
duke@1 101 /** The tag of all polymorphic (method-) types.
duke@1 102 */
duke@1 103 public static final int FORALL = WILDCARD+1;
duke@1 104
duke@1 105 /** The tag of the bottom type <null>.
duke@1 106 */
duke@1 107 public static final int BOT = FORALL+1;
duke@1 108
duke@1 109 /** The tag of a missing type.
duke@1 110 */
duke@1 111 public static final int NONE = BOT+1;
duke@1 112
duke@1 113 /** The tag of the error type.
duke@1 114 */
duke@1 115 public static final int ERROR = NONE+1;
duke@1 116
duke@1 117 /** The tag of an unknown type
duke@1 118 */
duke@1 119 public static final int UNKNOWN = ERROR+1;
duke@1 120
duke@1 121 /** The tag of all instantiatable type variables.
duke@1 122 */
duke@1 123 public static final int UNDETVAR = UNKNOWN+1;
duke@1 124
duke@1 125 /** The number of type tags.
duke@1 126 */
duke@1 127 public static final int TypeTagCount = UNDETVAR+1;
duke@1 128
duke@1 129 /** The maximum tag of a basic type.
duke@1 130 */
duke@1 131 public static final int lastBaseTag = BOOLEAN;
duke@1 132
duke@1 133 /** The minimum tag of a partial type
duke@1 134 */
duke@1 135 public static final int firstPartialTag = ERROR;
duke@1 136 }

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