/*
* Copyright (c) 2003, 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.jvm;
import com.sun.tools.javac.code.*;
/** These pseudo-types appear in the generated verifier tables to
* indicate objects that have been allocated but not yet constructed.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
class UninitializedType extends Type.DelegatedType {
public static final int UNINITIALIZED_THIS = TypeTags.TypeTagCount;
public static final int UNINITIALIZED_OBJECT = UNINITIALIZED_THIS + 1;
public static UninitializedType uninitializedThis(Type qtype) {
return new UninitializedType(UNINITIALIZED_THIS, qtype, -1);
}
public static UninitializedType uninitializedObject(Type qtype, int offset) {
return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset);
}
public final int offset; // PC where allocation took place
private UninitializedType(int tag, Type qtype, int offset) {
super(tag, qtype);
this.offset = offset;
}
Type initializedType() {
return qtype;
}
}