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| 1 | +/* |
| 2 | + * Copyright (c) 2021, 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, |
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| 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 |
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| 39 | + * SOFTWARE. |
| 40 | + */ |
1 | 41 | package com.oracle.graal.python.lib; |
2 | 42 |
|
3 | | -public class PyDictSetItem { |
| 43 | +import com.oracle.graal.python.builtins.objects.common.HashingStorage; |
| 44 | +import com.oracle.graal.python.builtins.objects.common.HashingStorageLibrary; |
| 45 | +import com.oracle.graal.python.builtins.objects.dict.PDict; |
| 46 | +import com.oracle.truffle.api.dsl.Bind; |
| 47 | +import com.oracle.truffle.api.dsl.Cached; |
| 48 | +import com.oracle.truffle.api.dsl.GenerateUncached; |
| 49 | +import com.oracle.truffle.api.dsl.Specialization; |
| 50 | +import com.oracle.truffle.api.frame.Frame; |
| 51 | +import com.oracle.truffle.api.frame.VirtualFrame; |
| 52 | +import com.oracle.truffle.api.library.CachedLibrary; |
| 53 | +import com.oracle.truffle.api.nodes.Node; |
| 54 | +import com.oracle.truffle.api.profiles.ConditionProfile; |
| 55 | + |
| 56 | +/** |
| 57 | + * Equivalent to use for PyDict_SetItem and PyDict_SetItemString functions available in CPython. |
| 58 | + * Note that these functions lead to places where there are hard casts to PyDictObject anyway, so we |
| 59 | + * just accept PDict. |
| 60 | + */ |
| 61 | +@GenerateUncached |
| 62 | +public abstract class PyDictSetItem extends Node { |
| 63 | + public abstract void execute(Frame frame, PDict dict, Object key, Object item); |
| 64 | + |
| 65 | + // We never need a frame for reading string keys |
| 66 | + @Specialization(limit = "3") |
| 67 | + static final void setItemWithStringKey(@SuppressWarnings("unused") PDict dict, String key, Object item, |
| 68 | + @Bind("dict.getDictStorage()") HashingStorage dictStorage, |
| 69 | + @CachedLibrary("dictStorage") HashingStorageLibrary lib, |
| 70 | + @Cached("createCountingProfile()") ConditionProfile updateStorageProfile) { |
| 71 | + HashingStorage updatedStorage = lib.setItem(dictStorage, key, item); |
| 72 | + if (updateStorageProfile.profile(updatedStorage != dictStorage)) { |
| 73 | + dict.setDictStorage(updatedStorage); |
| 74 | + } |
| 75 | + } |
| 76 | + |
| 77 | + @Specialization(replaces = "setItemWithStringKey", limit = "3") |
| 78 | + static final void setItemCached(VirtualFrame frame, @SuppressWarnings("unused") PDict dict, Object key, Object item, |
| 79 | + @Bind("dict.getDictStorage()") HashingStorage dictStorage, |
| 80 | + @Cached ConditionProfile frameCondition, |
| 81 | + @CachedLibrary("dictStorage") HashingStorageLibrary lib, |
| 82 | + @Cached("createCountingProfile()") ConditionProfile updateStorageProfile) { |
| 83 | + HashingStorage updatedStorage = lib.setItemWithFrame(dictStorage, key, item, frameCondition, frame); |
| 84 | + if (updateStorageProfile.profile(updatedStorage != dictStorage)) { |
| 85 | + dict.setDictStorage(updatedStorage); |
| 86 | + } |
| 87 | + } |
| 88 | + |
| 89 | + @Specialization(replaces = "setItemCached") |
| 90 | + static final void setItem(PDict dict, Object key, Object item, |
| 91 | + @CachedLibrary(limit = "3") HashingStorageLibrary lib, |
| 92 | + @Cached("createCountingProfile()") ConditionProfile updateStorageProfile) { |
| 93 | + HashingStorage dictStorage = dict.getDictStorage(); |
| 94 | + HashingStorage updatedStorage = lib.setItem(dictStorage, key, item); |
| 95 | + if (updateStorageProfile.profile(updatedStorage != dictStorage)) { |
| 96 | + dict.setDictStorage(updatedStorage); |
| 97 | + } |
| 98 | + } |
| 99 | + |
| 100 | + public static PyDictSetItem create() { |
| 101 | + return PyDictSetItemNodeGen.create(); |
| 102 | + } |
| 103 | + |
| 104 | + public static PyDictSetItem getUncached() { |
| 105 | + return PyDictSetItemNodeGen.getUncached(); |
| 106 | + } |
4 | 107 | } |
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