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| 1 | +/* |
| 2 | + * Copyright (c) 2018, 2018, Oracle and/or its affiliates. All rights reserved. |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | + * |
| 5 | + * The Universal Permissive License (UPL), Version 1.0 |
| 6 | + * |
| 7 | + * Subject to the condition set forth below, permission is hereby granted to any |
| 8 | + * person obtaining a copy of this software, associated documentation and/or |
| 9 | + * data (collectively the "Software"), free of charge and under any and all |
| 10 | + * copyright rights in the Software, and any and all patent rights owned or |
| 11 | + * freely licensable by each licensor hereunder covering either (i) the |
| 12 | + * unmodified Software as contributed to or provided by such licensor, or (ii) |
| 13 | + * the Larger Works (as defined below), to deal in both |
| 14 | + * |
| 15 | + * (a) the Software, and |
| 16 | + * |
| 17 | + * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if |
| 18 | + * one is included with the Software each a "Larger Work" to which the Software |
| 19 | + * is contributed by such licensors), |
| 20 | + * |
| 21 | + * without restriction, including without limitation the rights to copy, create |
| 22 | + * derivative works of, display, perform, and distribute the Software and make, |
| 23 | + * use, sell, offer for sale, import, export, have made, and have sold the |
| 24 | + * Software and the Larger Work(s), and to sublicense the foregoing rights on |
| 25 | + * either these or other terms. |
| 26 | + * |
| 27 | + * This license is subject to the following condition: |
| 28 | + * |
| 29 | + * The above copyright notice and either this complete permission notice or at a |
| 30 | + * minimum a reference to the UPL must be included in all copies or substantial |
| 31 | + * portions of the Software. |
| 32 | + * |
| 33 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 34 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 35 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 36 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 37 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 38 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 39 | + * SOFTWARE. |
| 40 | + */ |
| 41 | +package com.oracle.graal.python.runtime.interop; |
| 42 | + |
| 43 | +import java.util.HashMap; |
| 44 | +import java.util.Map; |
| 45 | + |
| 46 | +import com.oracle.graal.python.builtins.objects.common.HashingStorage.DictEntry; |
| 47 | +import com.oracle.graal.python.builtins.objects.dict.PDict; |
| 48 | +import com.oracle.graal.python.builtins.objects.object.PythonObject; |
| 49 | +import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; |
| 50 | +import com.oracle.truffle.api.interop.ForeignAccess; |
| 51 | +import com.oracle.truffle.api.interop.KeyInfo; |
| 52 | +import com.oracle.truffle.api.interop.MessageResolution; |
| 53 | +import com.oracle.truffle.api.interop.Resolve; |
| 54 | +import com.oracle.truffle.api.interop.TruffleObject; |
| 55 | +import com.oracle.truffle.api.nodes.Node; |
| 56 | + |
| 57 | +/** |
| 58 | + * A container class used to store per-node attributes used by the instrumentation framework. |
| 59 | + * |
| 60 | + */ |
| 61 | +public class InteropMap implements TruffleObject { |
| 62 | + |
| 63 | + private final Map<String, Object> data = new HashMap<>(); |
| 64 | + |
| 65 | + @Override |
| 66 | + public ForeignAccess getForeignAccess() { |
| 67 | + return InteropMapMRForeign.ACCESS; |
| 68 | + } |
| 69 | + |
| 70 | + @TruffleBoundary |
| 71 | + public void addProperty(String name, Object value) { |
| 72 | + data.put(name, value); |
| 73 | + } |
| 74 | + |
| 75 | + @TruffleBoundary |
| 76 | + public int size() { |
| 77 | + return data.size(); |
| 78 | + } |
| 79 | + |
| 80 | + @TruffleBoundary |
| 81 | + public Object getProperty(String name) { |
| 82 | + assert hasProperty(name); |
| 83 | + return data.get(name); |
| 84 | + } |
| 85 | + |
| 86 | + @TruffleBoundary |
| 87 | + public boolean hasProperty(String name) { |
| 88 | + return data.containsKey(name); |
| 89 | + } |
| 90 | + |
| 91 | + @TruffleBoundary |
| 92 | + public TruffleObject getPropertyNames() { |
| 93 | + return new InteropArray(data.keySet().toArray()); |
| 94 | + } |
| 95 | + |
| 96 | + @TruffleBoundary |
| 97 | + public static InteropMap fromPDict(PDict dict) { |
| 98 | + InteropMap map = new InteropMap(); |
| 99 | + for (DictEntry s : dict.getDictStorage().entries()) { |
| 100 | + map.addProperty(s.getKey().toString(), s.getValue()); |
| 101 | + } |
| 102 | + return map; |
| 103 | + } |
| 104 | + |
| 105 | + @TruffleBoundary |
| 106 | + public static InteropMap fromPythonObject(PythonObject globals) { |
| 107 | + InteropMap map = new InteropMap(); |
| 108 | + for (String name : globals.getAttributeNames()) { |
| 109 | + map.addProperty(name, globals.getAttribute(name)); |
| 110 | + } |
| 111 | + return map; |
| 112 | + } |
| 113 | + |
| 114 | + static boolean isInstance(TruffleObject object) { |
| 115 | + return object instanceof InteropMap; |
| 116 | + } |
| 117 | + |
| 118 | + @MessageResolution(receiverType = InteropMap.class) |
| 119 | + static class InteropMapMR { |
| 120 | + |
| 121 | + @Resolve(message = "READ") |
| 122 | + abstract static class Read extends Node { |
| 123 | + public Object access(InteropMap target, String key) { |
| 124 | + return target.getProperty(key); |
| 125 | + } |
| 126 | + } |
| 127 | + |
| 128 | + @Resolve(message = "HAS_KEYS") |
| 129 | + abstract static class HasKeys extends Node { |
| 130 | + |
| 131 | + public Object access(@SuppressWarnings("unused") Object target) { |
| 132 | + return true; |
| 133 | + } |
| 134 | + } |
| 135 | + |
| 136 | + @Resolve(message = "KEYS") |
| 137 | + abstract static class Keys extends Node { |
| 138 | + public Object access(InteropMap target) { |
| 139 | + return target.getPropertyNames(); |
| 140 | + } |
| 141 | + } |
| 142 | + |
| 143 | + @Resolve(message = "KEY_INFO") |
| 144 | + abstract static class KeyInfoMR extends Node { |
| 145 | + public Object access(InteropMap target, Object key) { |
| 146 | + if (key instanceof String && target.hasProperty((String) key)) { |
| 147 | + return KeyInfo.READABLE; |
| 148 | + } else { |
| 149 | + return 0; |
| 150 | + } |
| 151 | + } |
| 152 | + } |
| 153 | + } |
| 154 | + |
| 155 | +} |
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