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annotate truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultDirectCallNode.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 9c8c0937da41
children
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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.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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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
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8 * particular file as subject to the "Classpath" exception as provided
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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
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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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 package com.oracle.truffle.api.impl;
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26
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27 import com.oracle.truffle.api.CallTarget;
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28 import com.oracle.truffle.api.Truffle;
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29 import com.oracle.truffle.api.frame.Frame;
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30 import com.oracle.truffle.api.frame.FrameInstance;
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31 import com.oracle.truffle.api.frame.VirtualFrame;
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32 import com.oracle.truffle.api.nodes.DirectCallNode;
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33 import com.oracle.truffle.api.nodes.Node;
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34
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35 /**
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36 * This is runtime specific API. Do not use in a guest language.
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37 */
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38 public final class DefaultDirectCallNode extends DirectCallNode {
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39
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40 private boolean inliningForced;
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41
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42 public DefaultDirectCallNode(CallTarget target) {
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43 super(target);
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44 }
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45
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46 @Override
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47 public Object call(final VirtualFrame frame, Object[] arguments) {
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48 final CallTarget currentCallTarget = defaultTruffleRuntime().getCurrentFrame().getCallTarget();
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49 FrameInstance frameInstance = new FrameInstance() {
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50
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51 public Frame getFrame(FrameAccess access, boolean slowPath) {
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52 return frame;
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53 }
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54
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55 public boolean isVirtualFrame() {
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56 return false;
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57 }
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58
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59 public Node getCallNode() {
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60 return DefaultDirectCallNode.this;
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61 }
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62
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63 public CallTarget getCallTarget() {
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64 return currentCallTarget;
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65 }
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66 };
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67 defaultTruffleRuntime().pushFrame(frameInstance);
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68 try {
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69 return getCurrentCallTarget().call(arguments);
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70 } finally {
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71 defaultTruffleRuntime().popFrame();
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72 }
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73 }
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74
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75 @Override
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76 public void forceInlining() {
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77 inliningForced = true;
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78 }
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79
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80 @Override
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81 public boolean isInliningForced() {
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82 return inliningForced;
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83 }
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84
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85 @Override
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86 public CallTarget getClonedCallTarget() {
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87 return null;
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88 }
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89
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90 @Override
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91 public boolean cloneCallTarget() {
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92 return false;
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93 }
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94
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95 @Override
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96 public boolean isCallTargetCloningAllowed() {
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97 return false;
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98 }
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99
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100 @Override
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101 public boolean isInlinable() {
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102 return false;
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103 }
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104
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105 private static DefaultTruffleRuntime defaultTruffleRuntime() {
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106 return (DefaultTruffleRuntime) Truffle.getRuntime();
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107 }
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108 }