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annotate truffle/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/ForeignObjectAccessHeadNode.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents e70b20f4bb00
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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1 /*
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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2 * Copyright (c) 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.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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6 * under the terms of the GNU General Public License version 2 only, as
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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7 * published by the Free Software Foundation. Oracle designates this
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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8 * particular file as subject to the "Classpath" exception as provided
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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14 * version 2 for more details (a copy is included in the LICENSE file that
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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15 * accompanied this code).
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16 *
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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17 * You should have received a copy of the GNU General Public License version
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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18 * 2 along with this work; if not, write to the Free Software Foundation,
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25
c76742cc2c6f Polishing inter-operability APIs: Exposing only Message, TruffleObject and ForeignAccess-related classes.
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26 package com.oracle.truffle.api.interop;
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27
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dc83cc1f94f2 Using fully qualified imports
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28 import com.oracle.truffle.api.frame.VirtualFrame;
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29 import com.oracle.truffle.api.nodes.Node;
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31 final class ForeignObjectAccessHeadNode extends Node {
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32
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33 @Child private ObjectAccessNode first;
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34 private final Message accessTree;
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35
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36 protected ForeignObjectAccessHeadNode(Message tree) {
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37 this.accessTree = tree;
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38 this.first = new UnresolvedObjectAccessNode();
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39 adoptChildren();
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40 }
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42 protected Message getAccessTree() {
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43 return accessTree;
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44 }
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46 protected ObjectAccessNode getFirst() {
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47 return first;
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48 }
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49
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50 public Object executeForeign(VirtualFrame frame, TruffleObject receiver, Object... arguments) {
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e70b20f4bb00 Implementing API for Java/Truffle interop. Based around JavaInterop.asJavaObject and JavaInterop.asTruffleObject methods. Connected to TruffleVM via Symbol.as(Class) wrapper. Verified by extended TCK.
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51 Object ret = first.executeWith(frame, receiver, arguments);
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52 assert assertReturnValue(ret) : "Only primitive values or TruffleObject expected: " + ret;
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53 return ret;
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54 }
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55
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56 private static boolean assertReturnValue(Object ret) {
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57 if (ret instanceof Number) {
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58 return true;
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parents: 21951
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59 }
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60 if (ret instanceof String) {
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61 return true;
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parents: 21951
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62 }
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63 if (ret instanceof Character) {
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64 return true;
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parents: 21951
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65 }
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66 if (ret instanceof Boolean) {
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67 return true;
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parents: 21951
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68 }
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69 return ret instanceof TruffleObject;
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70 }
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72 }