Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLWriteLocalVariableNode.java @ 13821:b16ec83edc73
Documentation and more refactoring of Simple Language
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Wed, 29 Jan 2014 20:45:43 -0800 |
parents | graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/WriteLocalNode.java@7c418666c6c9 |
children | 64c77f0577bb |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLWriteLocalVariableNode.java Wed Jan 29 20:45:43 2014 -0800 @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2012, 2014, 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.sl.nodes.local; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.sl.nodes.*; + +@NodeChild(value = "valueNode") +@NodeField(name = "slot", type = FrameSlot.class) +public abstract class SLWriteLocalVariableNode extends SLExpressionNode { + + protected abstract FrameSlot getSlot(); + + @Specialization(guards = "isLongKind") + protected long write(VirtualFrame frame, long value) { + frame.setLong(getSlot(), value); + return value; + } + + @Specialization(guards = "isBooleanKind") + protected boolean write(VirtualFrame frame, boolean value) { + frame.setBoolean(getSlot(), value); + return value; + } + + @Specialization + protected Object write(VirtualFrame frame, Object value) { + if (getSlot().getKind() != FrameSlotKind.Object) { + CompilerDirectives.transferToInterpreterAndInvalidate(); + getSlot().setKind(FrameSlotKind.Object); + } + frame.setObject(getSlot(), value); + return value; + } + + protected boolean isLongKind() { + return isKind(FrameSlotKind.Long); + } + + protected boolean isBooleanKind() { + return isKind(FrameSlotKind.Boolean); + } + + private boolean isKind(FrameSlotKind kind) { + if (getSlot().getKind() == kind) { + return true; + } else if (getSlot().getKind() == FrameSlotKind.Illegal) { + CompilerDirectives.transferToInterpreterAndInvalidate(); + getSlot().setKind(kind); + return true; + } else { + return false; + } + } +}