Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadLocalVariableNode.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/ReadLocalNode.java@7c418666c6c9 |
children | 64c77f0577bb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadLocalVariableNode.java Wed Jan 29 20:45:43 2014 -0800 @@ -0,0 +1,54 @@ +/* + * 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.dsl.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.sl.nodes.*; + +@PolymorphicLimit(1) +@NodeField(name = "slot", type = FrameSlot.class) +public abstract class SLReadLocalVariableNode extends SLExpressionNode { + + protected abstract FrameSlot getSlot(); + + @Specialization(rewriteOn = {FrameSlotTypeException.class}) + protected long readLong(VirtualFrame frame) throws FrameSlotTypeException { + return frame.getLong(getSlot()); + } + + @Specialization(rewriteOn = {FrameSlotTypeException.class}) + protected boolean readBoolean(VirtualFrame frame) throws FrameSlotTypeException { + return frame.getBoolean(getSlot()); + } + + @Specialization(rewriteOn = {FrameSlotTypeException.class}) + protected Object readObject(VirtualFrame frame) throws FrameSlotTypeException { + return frame.getObject(getSlot()); + } + + @Generic + protected Object readGeneric(VirtualFrame frame) { + return frame.getValue(getSlot()); + } +}