duke@1: /*
ohair@554:  * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
ohair@554:  * published by the Free Software Foundation.  Oracle designates this
duke@1:  * particular file as subject to the "Classpath" exception as provided
ohair@554:  * by Oracle in the LICENSE file that accompanied this code.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: package com.sun.tools.javac.code;
duke@1: 
duke@1: 
duke@1: /** An interface for type tag values, which distinguish between different
duke@1:  *  sorts of types.
duke@1:  *
duke@1:  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
duke@1:  *  you write code that depends on this, you do so at your own risk.
duke@1:  *  This code and its internal interfaces are subject to change or
duke@1:  *  deletion without notice.</b>
duke@1:  */
duke@1: public class TypeTags {
duke@1: 
duke@1:     private TypeTags() {} // uninstantiable
duke@1: 
duke@1:     /** The tag of the basic type `byte'.
duke@1:      */
duke@1:     public static final int BYTE = 1;
duke@1: 
duke@1:     /** The tag of the basic type `char'.
duke@1:      */
duke@1:     public static final int CHAR = BYTE+1;
duke@1: 
duke@1:     /** The tag of the basic type `short'.
duke@1:      */
duke@1:     public static final int SHORT = CHAR+1;
duke@1: 
duke@1:     /** The tag of the basic type `int'.
duke@1:      */
duke@1:     public static final int INT = SHORT+1;
duke@1: 
duke@1:     /** The tag of the basic type `long'.
duke@1:      */
duke@1:     public static final int LONG = INT+1;
duke@1: 
duke@1:     /** The tag of the basic type `float'.
duke@1:      */
duke@1:     public static final int FLOAT = LONG+1;
duke@1: 
duke@1:     /** The tag of the basic type `double'.
duke@1:      */
duke@1:     public static final int DOUBLE = FLOAT+1;
duke@1: 
duke@1:     /** The tag of the basic type `boolean'.
duke@1:      */
duke@1:     public static final int BOOLEAN = DOUBLE+1;
duke@1: 
duke@1:     /** The tag of the type `void'.
duke@1:      */
duke@1:     public static final int VOID = BOOLEAN+1;
duke@1: 
duke@1:     /** The tag of all class and interface types.
duke@1:      */
duke@1:     public static final int CLASS = VOID+1;
duke@1: 
duke@1:     /** The tag of all array types.
duke@1:      */
duke@1:     public static final int ARRAY = CLASS+1;
duke@1: 
duke@1:     /** The tag of all (monomorphic) method types.
duke@1:      */
duke@1:     public static final int METHOD = ARRAY+1;
duke@1: 
duke@1:     /** The tag of all package "types".
duke@1:      */
duke@1:     public static final int PACKAGE = METHOD+1;
duke@1: 
duke@1:     /** The tag of all (source-level) type variables.
duke@1:      */
duke@1:     public static final int TYPEVAR = PACKAGE+1;
duke@1: 
duke@1:     /** The tag of all type arguments.
duke@1:      */
duke@1:     public static final int WILDCARD = TYPEVAR+1;
duke@1: 
duke@1:     /** The tag of all polymorphic (method-) types.
duke@1:      */
duke@1:     public static final int FORALL = WILDCARD+1;
duke@1: 
duke@1:     /** The tag of the bottom type <null>.
duke@1:      */
duke@1:     public static final int BOT = FORALL+1;
duke@1: 
duke@1:     /** The tag of a missing type.
duke@1:      */
duke@1:     public static final int NONE = BOT+1;
duke@1: 
duke@1:     /** The tag of the error type.
duke@1:      */
duke@1:     public static final int ERROR = NONE+1;
duke@1: 
duke@1:     /** The tag of an unknown type
duke@1:      */
duke@1:     public static final int UNKNOWN = ERROR+1;
duke@1: 
duke@1:     /** The tag of all instantiatable type variables.
duke@1:      */
duke@1:     public static final int UNDETVAR = UNKNOWN+1;
duke@1: 
duke@1:     /** The number of type tags.
duke@1:      */
duke@1:     public static final int TypeTagCount = UNDETVAR+1;
duke@1: 
duke@1:     /** The maximum tag of a basic type.
duke@1:      */
duke@1:     public static final int lastBaseTag = BOOLEAN;
duke@1: 
duke@1:     /** The minimum tag of a partial type
duke@1:      */
duke@1:     public static final int firstPartialTag = ERROR;
duke@1: }