1/* 2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24package jdk.test.lib.jittester.arrays; 25 26import java.util.ArrayList; 27import java.util.List; 28import java.util.stream.Collectors; 29import jdk.test.lib.jittester.IRNode; 30import jdk.test.lib.jittester.Literal; 31import jdk.test.lib.jittester.LocalVariable; 32import jdk.test.lib.jittester.types.TypeArray; 33import jdk.test.lib.jittester.visitors.Visitor; 34 35 36/* 37Array extraction produces and array with N dimentions from an array with M 38dimentions, where N < M. 39 */ 40public class ArrayExtraction extends IRNode { 41 private final List<Byte> dims; 42 public ArrayExtraction(IRNode array, ArrayList<IRNode> dimensionExpressions) { 43 super(array.getResultType()); 44 addChild(array); 45 addChildren(dimensionExpressions); 46 if (array instanceof ArrayCreation) { 47 dims = new ArrayList<>(); 48 ArrayCreation ac = (ArrayCreation) array; 49 for (int i = dimensionExpressions.size(); i < ac.getDimensionsCount(); ++i) { 50 dims.add(ac.getDimensionSize(i)); 51 } 52 } else if (array instanceof ArrayExtraction) { 53 dims = new ArrayList<>(); 54 ArrayExtraction ae = (ArrayExtraction) array; 55 for (int i = dimensionExpressions.size(); i < ae.getDimsNumber(); ++i) { 56 dims.add(ae.getDim(i)); 57 } 58 } else if (array instanceof LocalVariable) { 59 LocalVariable loc = (LocalVariable) array; 60 TypeArray type = (TypeArray) loc.getVariableInfo().type; 61 dims = type.getDims(); 62 for (int i = dimensionExpressions.size(); i < type.dimensions; ++i) { 63 dims.add(type.getDims().get(i)); 64 } 65 } else { 66 dims = dimensionExpressions.stream() 67 .map(d -> { 68 if (d instanceof Literal) { 69 Literal n = (Literal) d; 70 return (Byte)n.getValue(); 71 } 72 return (byte)0; 73 }) 74 .collect(Collectors.toList()); 75 } 76 } 77 78 @Override 79 public<T> T accept(Visitor<T> v) { 80 return v.visit(this); 81 } 82 83 public byte getDim(int dim) { 84 return dims.get(dim); 85 } 86 87 public int getDimsNumber() { 88 return dims.size(); 89 } 90} 91