Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameSlotImpl.java @ 9258:07f8d136a05e
Truffle API changes for the Frame API. Introduction of Assumptions class.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 23 Apr 2013 15:34:06 +0200 |
parents | |
children | cd1a1d92b3e3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameSlotImpl.java Tue Apr 23 15:34:06 2013 +0200 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2012, 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.oracle.truffle.api.frame; + +public final class FrameSlotImpl implements FrameSlot { + + private final FrameDescriptor descriptor; + private final Object identifier; + private final int index; + private Class<?> type; + + protected FrameSlotImpl(FrameDescriptor descriptor, Object identifier, int index, Class<?> type) { + this.descriptor = descriptor; + this.identifier = identifier; + this.index = index; + this.type = type; + } + + public Object getIdentifier() { + return identifier; + } + + public int getIndex() { + return index; + } + + public Class<?> getType() { + return type; + } + + public void setType(final Class<?> type) { + assert this.type != type; + this.type = type; + this.descriptor.updateVersion(); + } + + @Override + public String toString() { + return "[" + index + "," + identifier + "," + type + "]"; + } + + @Override + public FrameDescriptor getFrameDescriptor() { + return this.descriptor; + } +}