Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.max.cri/src/com/sun/cri/xir/XirArgument.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.max.cri/src/com/sun/cri/xir/XirArgument.java Sat Dec 17 19:59:18 2011 +0100 @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2009, 2011, 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. + * + * 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.cri.xir; + +import com.sun.cri.ci.*; + +/** + * Represents an argument to an {@link XirSnippet}. + * Currently, this is a <i>union </i> type; it is either a {@link CiConstant} or an {@code Object}. + */ +public final class XirArgument { + + public final CiConstant constant; + public final Object object; + + private XirArgument(CiConstant value) { + this.constant = value; + this.object = null; + } + + private XirArgument(Object o) { + this.constant = null; + this.object = o; + } + + public static XirArgument forInternalObject(Object o) { + return new XirArgument(o); + } + + public static XirArgument forInt(int x) { + return new XirArgument(CiConstant.forInt(x)); + } + + public static XirArgument forLong(long x) { + return new XirArgument(CiConstant.forLong(x)); + } + + public static XirArgument forObject(Object o) { + return new XirArgument(CiConstant.forObject(o)); + } + + @Override + public String toString() { + if (constant != null) { + return constant.toString(); + } else { + return "" + object; + } + } +}