1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/code/TypeTags.java Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,136 @@
1.4 +/*
1.5 + * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Sun designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Sun in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.26 + * have any questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.code;
1.30 +
1.31 +
1.32 +/** An interface for type tag values, which distinguish between different
1.33 + * sorts of types.
1.34 + *
1.35 + * <p><b>This is NOT part of any API supported by Sun Microsystems. If
1.36 + * you write code that depends on this, you do so at your own risk.
1.37 + * This code and its internal interfaces are subject to change or
1.38 + * deletion without notice.</b>
1.39 + */
1.40 +public class TypeTags {
1.41 +
1.42 + private TypeTags() {} // uninstantiable
1.43 +
1.44 + /** The tag of the basic type `byte'.
1.45 + */
1.46 + public static final int BYTE = 1;
1.47 +
1.48 + /** The tag of the basic type `char'.
1.49 + */
1.50 + public static final int CHAR = BYTE+1;
1.51 +
1.52 + /** The tag of the basic type `short'.
1.53 + */
1.54 + public static final int SHORT = CHAR+1;
1.55 +
1.56 + /** The tag of the basic type `int'.
1.57 + */
1.58 + public static final int INT = SHORT+1;
1.59 +
1.60 + /** The tag of the basic type `long'.
1.61 + */
1.62 + public static final int LONG = INT+1;
1.63 +
1.64 + /** The tag of the basic type `float'.
1.65 + */
1.66 + public static final int FLOAT = LONG+1;
1.67 +
1.68 + /** The tag of the basic type `double'.
1.69 + */
1.70 + public static final int DOUBLE = FLOAT+1;
1.71 +
1.72 + /** The tag of the basic type `boolean'.
1.73 + */
1.74 + public static final int BOOLEAN = DOUBLE+1;
1.75 +
1.76 + /** The tag of the type `void'.
1.77 + */
1.78 + public static final int VOID = BOOLEAN+1;
1.79 +
1.80 + /** The tag of all class and interface types.
1.81 + */
1.82 + public static final int CLASS = VOID+1;
1.83 +
1.84 + /** The tag of all array types.
1.85 + */
1.86 + public static final int ARRAY = CLASS+1;
1.87 +
1.88 + /** The tag of all (monomorphic) method types.
1.89 + */
1.90 + public static final int METHOD = ARRAY+1;
1.91 +
1.92 + /** The tag of all package "types".
1.93 + */
1.94 + public static final int PACKAGE = METHOD+1;
1.95 +
1.96 + /** The tag of all (source-level) type variables.
1.97 + */
1.98 + public static final int TYPEVAR = PACKAGE+1;
1.99 +
1.100 + /** The tag of all type arguments.
1.101 + */
1.102 + public static final int WILDCARD = TYPEVAR+1;
1.103 +
1.104 + /** The tag of all polymorphic (method-) types.
1.105 + */
1.106 + public static final int FORALL = WILDCARD+1;
1.107 +
1.108 + /** The tag of the bottom type <null>.
1.109 + */
1.110 + public static final int BOT = FORALL+1;
1.111 +
1.112 + /** The tag of a missing type.
1.113 + */
1.114 + public static final int NONE = BOT+1;
1.115 +
1.116 + /** The tag of the error type.
1.117 + */
1.118 + public static final int ERROR = NONE+1;
1.119 +
1.120 + /** The tag of an unknown type
1.121 + */
1.122 + public static final int UNKNOWN = ERROR+1;
1.123 +
1.124 + /** The tag of all instantiatable type variables.
1.125 + */
1.126 + public static final int UNDETVAR = UNKNOWN+1;
1.127 +
1.128 + /** The number of type tags.
1.129 + */
1.130 + public static final int TypeTagCount = UNDETVAR+1;
1.131 +
1.132 + /** The maximum tag of a basic type.
1.133 + */
1.134 + public static final int lastBaseTag = BOOLEAN;
1.135 +
1.136 + /** The minimum tag of a partial type
1.137 + */
1.138 + public static final int firstPartialTag = ERROR;
1.139 +}
