/*

 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.tools.javac.code;

/** An interface for type tag values, which distinguish between different

 *  sorts of types.

 *

 *  This code and its internal interfaces are subject to change or

 *  deletion without notice.</b>

 */

public class TypeTags {

    private TypeTags() {} // uninstantiable

    /** The tag of the basic type `byte'.

     */

    public static final int BYTE = 1;

    /** The tag of the basic type `char'.

     */

    public static final int CHAR = BYTE+1;

    /** The tag of the basic type `short'.

     */

    public static final int SHORT = CHAR+1;

    /** The tag of the basic type `int'.

     */

    public static final int INT = SHORT+1;

    /** The tag of the basic type `long'.

     */

    public static final int LONG = INT+1;

    /** The tag of the basic type `float'.

     */

    public static final int FLOAT = LONG+1;

    /** The tag of the basic type `double'.

     */

    public static final int DOUBLE = FLOAT+1;

    /** The tag of the basic type `boolean'.

     */

    public static final int BOOLEAN = DOUBLE+1;

    /** The tag of the type `void'.

     */

    public static final int VOID = BOOLEAN+1;

    /** The tag of all class and interface types.

     */

    public static final int CLASS = VOID+1;

    /** The tag of all array types.

     */

    public static final int ARRAY = CLASS+1;

    /** The tag of all (monomorphic) method types.

     */

    public static final int METHOD = ARRAY+1;

    /** The tag of all package "types".

     */

    public static final int PACKAGE = METHOD+1;

    /** The tag of all (source-level) type variables.

     */

    public static final int TYPEVAR = PACKAGE+1;

    /** The tag of all type arguments.

     */

    public static final int WILDCARD = TYPEVAR+1;

    /** The tag of all polymorphic (method-) types.

     */

    public static final int FORALL = WILDCARD+1;

    /** The tag of the bottom type <null>.

     */

    public static final int BOT = FORALL+1;

    /** The tag of a missing type.

     */

    public static final int NONE = BOT+1;

    /** The tag of the error type.

     */

    public static final int ERROR = NONE+1;

    /** The tag of an unknown type

     */

    public static final int UNKNOWN = ERROR+1;

    /** The tag of all instantiatable type variables.

     */

    public static final int UNDETVAR = UNKNOWN+1;

    /** The number of type tags.

     */

    public static final int TypeTagCount = UNDETVAR+1;

    /** The maximum tag of a basic type.

     */

    public static final int lastBaseTag = BOOLEAN;

    /** The minimum tag of a partial type

     */

    public static final int firstPartialTag = ERROR;

}