/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package EDU.purdue.cs.bloat.tree;
/**
* MonitorStmt represents the <tt>monitorenter</tt> and <tt>monitorexit</tt>
* opcodes, which gain and release ownership of the monitor associated with a
* given object.
*/
public class MonitorStmt extends Stmt {
public static final int ENTER = 0;
public static final int EXIT = 1;
int kind;
Expr object;
/**
* Constructor.
*
* @param kind
* The kind of monitor statement: ENTER or EXIT.
* @param object
* The expression (object) whose monitor is being entered or
* exited.
*/
public MonitorStmt(final int kind, final Expr object) {
this.kind = kind;
this.object = object;
object.setParent(this);
}
public Expr object() {
return object;
}
public int kind() {
return kind;
}
public void visitForceChildren(final TreeVisitor visitor) {
object.visit(visitor);
}
public void visit(final TreeVisitor visitor) {
visitor.visitMonitorStmt(this);
}
public Object clone() {
return copyInto(new MonitorStmt(kind, (Expr) object.clone()));
}
}