Mercurial > hg > graal-jvmci-8
comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/VirtualFrame.java @ 14991:64dcb92ee75a
Truffle: Change signature for Truffle calls from (PackedFrame, Arguments) to (Object[]).
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 06 Apr 2014 17:46:24 +0200 |
parents | 494b818b527c |
children |
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14989:a0dbb3628f2a | 14991:64dcb92ee75a |
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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 | |
29 /** | 27 /** |
30 * Represents a frame containing values of local variables of the guest language. Instances of this | 28 * Represents a frame containing values of local variables of the guest language. Instances of this |
31 * type must not be stored in a field or cast to {@link java.lang.Object}. If this is necessary, the | 29 * type must not be stored in a field or cast to {@link java.lang.Object}. If this is necessary, the |
32 * frame must be explicitly converted into a materialized frame using the | 30 * frame must be explicitly converted into a materialized frame using the |
33 * {@link VirtualFrame#materialize()} method. Whenever fast access to the local variables of a frame | 31 * {@link VirtualFrame#materialize()} method. |
34 * is no longer necessary, a virtual frame should be converted into a packed frame using the | |
35 * {@link VirtualFrame#pack()} method. | |
36 */ | 32 */ |
37 public interface VirtualFrame extends Frame { | 33 public interface VirtualFrame extends Frame { |
38 | |
39 /** | |
40 * Accesses the caller frame passed in via {@link CallTarget#call}. To get full access, it must | |
41 * be first unpacked using {@link PackedFrame#unpack()}. | |
42 * | |
43 * @return the caller frame or null if this was a root method call | |
44 */ | |
45 PackedFrame getCaller(); | |
46 } | 34 } |