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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadLocalVariableNode.java @ 13821:b16ec83edc73

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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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13820:20e7727588e8 13821:b16ec83edc73
1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.sl.nodes.local;
24
25 import com.oracle.truffle.api.dsl.*;
26 import com.oracle.truffle.api.frame.*;
27 import com.oracle.truffle.sl.nodes.*;
28
29 @PolymorphicLimit(1)
30 @NodeField(name = "slot", type = FrameSlot.class)
31 public abstract class SLReadLocalVariableNode extends SLExpressionNode {
32
33 protected abstract FrameSlot getSlot();
34
35 @Specialization(rewriteOn = {FrameSlotTypeException.class})
36 protected long readLong(VirtualFrame frame) throws FrameSlotTypeException {
37 return frame.getLong(getSlot());
38 }
39
40 @Specialization(rewriteOn = {FrameSlotTypeException.class})
41 protected boolean readBoolean(VirtualFrame frame) throws FrameSlotTypeException {
42 return frame.getBoolean(getSlot());
43 }
44
45 @Specialization(rewriteOn = {FrameSlotTypeException.class})
46 protected Object readObject(VirtualFrame frame) throws FrameSlotTypeException {
47 return frame.getObject(getSlot());
48 }
49
50 @Generic
51 protected Object readGeneric(VirtualFrame frame) {
52 return frame.getValue(getSlot());
53 }
54 }