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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/VirtualFrame.java @ 11343:75d9b7aedcfd

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Truffle: added some missing javadoc.
author Andreas Woess <andreas.woess@jku.at>
date Sat, 17 Aug 2013 14:03:28 +0200
parents 494b818b527c
children 64dcb92ee75a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation. Oracle designates this
494b818b527c Adding "Classpath" exception to the classes in the com.oracle.truffle.api and the com.oracle.truffle.api.dsl package.
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8 * particular file as subject to the "Classpath" exception as provided
494b818b527c Adding "Classpath" exception to the classes in the com.oracle.truffle.api and the com.oracle.truffle.api.dsl package.
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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14 * version 2 for more details (a copy is included in the LICENSE file that
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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15 * accompanied this code).
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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16 *
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17 * You should have received a copy of the GNU General Public License version
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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18 * 2 along with this work; if not, write to the Free Software Foundation,
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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20 *
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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22 * or visit www.oracle.com if you need additional information or have any
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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23 * questions.
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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24 */
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25 package com.oracle.truffle.api.frame;
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26
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27 import com.oracle.truffle.api.*;
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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28
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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29 /**
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30 * Represents a frame containing values of local variables of the guest language. Instances of this
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31 * type must not be stored in a field or cast to {@link java.lang.Object}. If this is necessary, the
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32 * frame must be explicitly converted into a materialized frame using the
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33 * {@link VirtualFrame#materialize()} method. Whenever fast access to the local variables of a frame
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34 * is no longer necessary, a virtual frame should be converted into a packed frame using the
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35 * {@link VirtualFrame#pack()} method.
a4b84ba6dc2e Introduction of the Truffle API for efficient implementation of dynamic languages on top of the Graal VM. New projects com.oracle.truffle.api for the API definition and com.oracle.truffle.api.test for API tests and documentation.
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36 */
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37 public interface VirtualFrame extends Frame {
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38
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39 /**
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40 * Accesses the caller frame passed in via {@link CallTarget#call}. To get full access, it must
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41 * be first unpacked using {@link PackedFrame#unpack()}.
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42 *
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43 * @return the caller frame or null if this was a root method call
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44 */
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45 PackedFrame getCaller();
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46 }