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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/runtime/SLArguments.java @ 13836:64c77f0577bb

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More documentation and improvements of Simple Language
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 30 Jan 2014 17:53:27 -0800
parents b16ec83edc73
children 89ac75425681
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213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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1 /*
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2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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4 *
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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5 * This code is free software; you can redistribute it and/or modify it
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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6 * under the terms of the GNU General Public License version 2 only, as
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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7 * published by the Free Software Foundation.
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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8 *
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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12 * version 2 for more details (a copy is included in the LICENSE file that
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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13 * accompanied this code).
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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14 *
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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15 * You should have received a copy of the GNU General Public License version
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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16 * 2 along with this work; if not, write to the Free Software Foundation,
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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20 * or visit www.oracle.com if you need additional information or have any
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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21 * questions.
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22 */
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23 package com.oracle.truffle.sl.runtime;
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24
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25 import com.oracle.truffle.api.*;
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26 import com.oracle.truffle.api.frame.*;
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27 import com.oracle.truffle.sl.nodes.call.*;
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28 import com.oracle.truffle.sl.nodes.local.*;
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29
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30 /**
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31 * Encapsulation of SL function arguments, as required by the Truffle API. An instance of this class
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32 * is allocated by the caller, and read by the callee.
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33 */
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34 public final class SLArguments extends Arguments {
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35
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36 private final Object[] argumentValues;
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37
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38 /**
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39 * Used by the caller, i.e., the {@link SLCallNode node that performs a function call}.
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40 */
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41 public SLArguments(Object[] arguments) {
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42 this.argumentValues = arguments;
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43 }
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44
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45 /**
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46 * Used by the callee, i.e., the {@link SLReadArgumentNode note that reads a function argument}.
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47 */
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48 public static Object[] getFromFrame(VirtualFrame frame) {
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49 return frame.getArguments(SLArguments.class).argumentValues;
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50 }
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51 }