Mercurial > hg > graal-compiler
comparison 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> |
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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 |
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13820:20e7727588e8 | 13821:b16ec83edc73 |
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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.*; | |
26 import com.oracle.truffle.api.dsl.*; | |
27 import com.oracle.truffle.api.frame.*; | |
28 import com.oracle.truffle.sl.nodes.*; | |
29 | |
30 @NodeChild(value = "valueNode") | |
31 @NodeField(name = "slot", type = FrameSlot.class) | |
32 public abstract class SLWriteLocalVariableNode extends SLExpressionNode { | |
33 | |
34 protected abstract FrameSlot getSlot(); | |
35 | |
36 @Specialization(guards = "isLongKind") | |
37 protected long write(VirtualFrame frame, long value) { | |
38 frame.setLong(getSlot(), value); | |
39 return value; | |
40 } | |
41 | |
42 @Specialization(guards = "isBooleanKind") | |
43 protected boolean write(VirtualFrame frame, boolean value) { | |
44 frame.setBoolean(getSlot(), value); | |
45 return value; | |
46 } | |
47 | |
48 @Specialization | |
49 protected Object write(VirtualFrame frame, Object value) { | |
50 if (getSlot().getKind() != FrameSlotKind.Object) { | |
51 CompilerDirectives.transferToInterpreterAndInvalidate(); | |
52 getSlot().setKind(FrameSlotKind.Object); | |
53 } | |
54 frame.setObject(getSlot(), value); | |
55 return value; | |
56 } | |
57 | |
58 protected boolean isLongKind() { | |
59 return isKind(FrameSlotKind.Long); | |
60 } | |
61 | |
62 protected boolean isBooleanKind() { | |
63 return isKind(FrameSlotKind.Boolean); | |
64 } | |
65 | |
66 private boolean isKind(FrameSlotKind kind) { | |
67 if (getSlot().getKind() == kind) { | |
68 return true; | |
69 } else if (getSlot().getKind() == FrameSlotKind.Illegal) { | |
70 CompilerDirectives.transferToInterpreterAndInvalidate(); | |
71 getSlot().setKind(kind); | |
72 return true; | |
73 } else { | |
74 return false; | |
75 } | |
76 } | |
77 } |