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| 1 | +/* |
| 2 | + * Copyright (c) 2022, 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.lib; |
| 42 | + |
| 43 | +import static com.oracle.graal.python.builtins.PythonBuiltinClassType.SystemError; |
| 44 | +import static com.oracle.graal.python.builtins.objects.cext.capi.NativeCAPISymbol.FUN_PY_TRUFFLE_OBJECT_SIZE; |
| 45 | +import static com.oracle.graal.python.nodes.ErrorMessages.BAD_ARG_TO_INTERNAL_FUNC_S; |
| 46 | + |
| 47 | +import com.oracle.graal.python.builtins.PythonBuiltinClassType; |
| 48 | +import com.oracle.graal.python.builtins.objects.cext.PythonAbstractNativeObject; |
| 49 | +import com.oracle.graal.python.builtins.objects.cext.capi.CExtNodes; |
| 50 | +import com.oracle.graal.python.builtins.objects.tuple.PTuple; |
| 51 | +import com.oracle.graal.python.nodes.PNodeWithContext; |
| 52 | +import com.oracle.graal.python.nodes.PRaiseNode; |
| 53 | +import com.oracle.graal.python.nodes.classes.IsSubtypeNode; |
| 54 | +import com.oracle.graal.python.nodes.object.GetClassNode; |
| 55 | +import com.oracle.graal.python.nodes.util.CannotCastException; |
| 56 | +import com.oracle.graal.python.nodes.util.CastToJavaIntLossyNode; |
| 57 | +import com.oracle.truffle.api.CompilerDirectives; |
| 58 | +import com.oracle.truffle.api.dsl.Cached; |
| 59 | +import com.oracle.truffle.api.dsl.Fallback; |
| 60 | +import com.oracle.truffle.api.dsl.GenerateUncached; |
| 61 | +import com.oracle.truffle.api.dsl.Specialization; |
| 62 | + |
| 63 | +@GenerateUncached |
| 64 | +public abstract class PyTupleSizeNode extends PNodeWithContext { |
| 65 | + public abstract int execute(Object tuple); |
| 66 | + |
| 67 | + @Specialization |
| 68 | + static int size(PTuple tuple) { |
| 69 | + return tuple.getSequenceStorage().length(); |
| 70 | + } |
| 71 | + |
| 72 | + @Specialization(guards = "isTupleSubtype(tuple, getClassNode, isSubtypeNode)", limit = "1") |
| 73 | + static int sizeNative(PythonAbstractNativeObject tuple, |
| 74 | + @SuppressWarnings("unused") @Cached GetClassNode getClassNode, |
| 75 | + @SuppressWarnings("unused") @Cached IsSubtypeNode isSubtypeNode, |
| 76 | + @Cached CExtNodes.PCallCapiFunction callSizeNode, |
| 77 | + @Cached CExtNodes.ToSulongNode toSulongNode, |
| 78 | + @Cached CastToJavaIntLossyNode asIntNode) { |
| 79 | + try { |
| 80 | + return asIntNode.execute(callSizeNode.call(FUN_PY_TRUFFLE_OBJECT_SIZE, toSulongNode.execute(tuple))); |
| 81 | + } catch (CannotCastException e) { |
| 82 | + throw CompilerDirectives.shouldNotReachHere("Failed to cast result of PyTruffle_Object_Size"); |
| 83 | + } |
| 84 | + } |
| 85 | + |
| 86 | + @SuppressWarnings("unused") |
| 87 | + @Fallback |
| 88 | + static int size(Object obj, |
| 89 | + @Cached PRaiseNode raiseNode) { |
| 90 | + throw raiseNode.raise(SystemError, BAD_ARG_TO_INTERNAL_FUNC_S, "PyTuple_Size"); |
| 91 | + } |
| 92 | + |
| 93 | + protected boolean isTupleSubtype(Object obj, GetClassNode getClassNode, IsSubtypeNode isSubtypeNode) { |
| 94 | + return isSubtypeNode.execute(getClassNode.execute(obj), PythonBuiltinClassType.PTuple); |
| 95 | + } |
| 96 | +} |
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