Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/ArgumentsTest.java @ 19172:76090119f89c
Do only constant folding when creating a new array length node in the parser.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 06 Feb 2015 04:33:04 +0100 |
parents | 64dcb92ee75a |
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rev | line source |
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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, 2013, 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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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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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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5 * This code is free software; you can redistribute it and/or modify it |
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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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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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7 * published by the Free Software Foundation. |
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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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8 * |
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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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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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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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10 * 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.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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11 * 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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12 * version 2 for more details (a copy is included in the LICENSE file that |
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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 * accompanied this code). |
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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 * |
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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 * You should have received a copy of the GNU General Public License version |
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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 * 2 along with this work; if not, write to the Free Software Foundation, |
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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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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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 * |
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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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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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 */ |
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23 package com.oracle.truffle.api.test; |
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24 |
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25 import org.junit.*; |
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26 |
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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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27 import com.oracle.truffle.api.*; |
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28 import com.oracle.truffle.api.frame.*; |
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29 import com.oracle.truffle.api.nodes.*; |
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30 |
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31 /** |
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32 * <h3>Passing Arguments</h3> |
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33 * |
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34 * <p> |
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35 * When invoking a call target with {@link CallTarget#call(Object[])}, arguments can be passed. A |
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36 * Truffle node can access the arguments passed into the Truffle method by using |
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37 * {@link VirtualFrame#getArguments}. |
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38 * </p> |
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39 * |
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40 * <p> |
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41 * The arguments class should only contain fields that are declared as final. This allows the |
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42 * Truffle runtime to improve optimizations around guest language method calls. Also, the arguments |
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43 * object array must never be stored into a field. It should be created immediately before invoking |
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44 * {@link CallTarget#call(Object[])} and no longer be accessed afterwards. |
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45 * </p> |
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46 * |
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47 * <p> |
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48 * The next part of the Truffle API introduction is at {@link com.oracle.truffle.api.test.FrameTest} |
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49 * . |
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50 * </p> |
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51 */ |
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52 public class ArgumentsTest { |
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53 |
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54 @Test |
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55 public void test() { |
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56 TruffleRuntime runtime = Truffle.getRuntime(); |
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57 TestRootNode rootNode = new TestRootNode(new TestArgumentNode[]{new TestArgumentNode(0), new TestArgumentNode(1)}); |
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58 CallTarget target = runtime.createCallTarget(rootNode); |
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59 Object result = target.call(new Object[]{20, 22}); |
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60 Assert.assertEquals(42, result); |
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61 } |
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62 |
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63 private static class TestRootNode extends RootNode { |
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64 |
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65 @Children private final TestArgumentNode[] children; |
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66 |
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67 TestRootNode(TestArgumentNode[] children) { |
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68 super(null); |
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69 this.children = children; |
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70 } |
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71 |
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72 @Override |
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73 public Object execute(VirtualFrame frame) { |
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74 int sum = 0; |
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75 for (int i = 0; i < children.length; ++i) { |
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76 sum += children[i].execute(frame); |
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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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77 } |
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78 return sum; |
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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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79 } |
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80 } |
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81 |
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82 private static class TestArgumentNode extends Node { |
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83 |
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84 private final int index; |
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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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85 |
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86 TestArgumentNode(int index) { |
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87 super(null); |
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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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88 this.index = index; |
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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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89 } |
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90 |
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91 int execute(VirtualFrame frame) { |
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92 return (Integer) frame.getArguments()[index]; |
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93 } |
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94 } |
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95 } |