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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameSlot.java @ 12644:e122dc0436be

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convert FrameSlot interface to a final class.
author Andreas Woess <andreas.woess@jku.at>
date Wed, 30 Oct 2013 19:05:29 +0100
parents 494b818b527c
children 80b0bd9e29c8
comparison
equal deleted inserted replaced
12643:856a9864ed93 12644:e122dc0436be
22 * or visit www.oracle.com if you need additional information or have any 22 * or visit www.oracle.com if you need additional information or have any
23 * questions. 23 * questions.
24 */ 24 */
25 package com.oracle.truffle.api.frame; 25 package com.oracle.truffle.api.frame;
26 26
27 import com.oracle.truffle.api.*;
28
27 /** 29 /**
28 * A slot in a frame that can store a value of a given type. 30 * A slot in a frame that can store a value of a given type.
29 */ 31 */
30 public interface FrameSlot extends Cloneable { 32 public final class FrameSlot implements Cloneable {
31 33
32 Object getIdentifier(); 34 private final FrameDescriptor descriptor;
35 private final Object identifier;
36 private final int index;
37 @com.oracle.truffle.api.CompilerDirectives.CompilationFinal private FrameSlotKind kind;
33 38
34 int getIndex(); 39 public FrameSlot(FrameDescriptor descriptor, Object identifier, int index, FrameSlotKind kind) {
40 this.descriptor = descriptor;
41 this.identifier = identifier;
42 this.index = index;
43 this.kind = kind;
44 }
35 45
36 FrameSlotKind getKind(); 46 public Object getIdentifier() {
47 return identifier;
48 }
37 49
38 void setKind(FrameSlotKind kind); 50 public int getIndex() {
51 return index;
52 }
39 53
40 FrameDescriptor getFrameDescriptor(); 54 public FrameSlotKind getKind() {
55 return kind;
56 }
57
58 public void setKind(final FrameSlotKind kind) {
59 if (this.kind != kind) {
60 CompilerDirectives.transferToInterpreter();
61 this.kind = kind;
62 this.descriptor.updateVersion();
63 }
64 }
65
66 @Override
67 public String toString() {
68 return "[" + index + "," + identifier + "," + kind + "]";
69 }
70
71 public FrameDescriptor getFrameDescriptor() {
72 return this.descriptor;
73 }
41 } 74 }