Tue, 29 Mar 2016 10:48:49 +0000
8143647: Javac compiles method reference that allows results in an IllegalAccessError
Summary: Lambda implementation method synthesized by javac should not mention inaccessible types.
Reviewed-by: mcimadamore
vromero@2730 | 1 | /* |
vromero@2730 | 2 | * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
vromero@2730 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
vromero@2730 | 4 | * |
vromero@2730 | 5 | * This code is free software; you can redistribute it and/or modify it |
vromero@2730 | 6 | * under the terms of the GNU General Public License version 2 only, as |
vromero@2730 | 7 | * published by the Free Software Foundation. Oracle designates this |
vromero@2730 | 8 | * particular file as subject to the "Classpath" exception as provided |
vromero@2730 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
vromero@2730 | 10 | * |
vromero@2730 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
vromero@2730 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
vromero@2730 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
vromero@2730 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
vromero@2730 | 15 | * accompanied this code). |
vromero@2730 | 16 | * |
vromero@2730 | 17 | * You should have received a copy of the GNU General Public License version |
vromero@2730 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
vromero@2730 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
vromero@2730 | 20 | * |
vromero@2730 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
vromero@2730 | 22 | * or visit www.oracle.com if you need additional information or have any |
vromero@2730 | 23 | * questions. |
vromero@2730 | 24 | */ |
vromero@2730 | 25 | /* |
vromero@2730 | 26 | * @test |
vromero@2730 | 27 | * @bug 8068399 |
vromero@2730 | 28 | * @summary structural most specific and stuckness |
vromero@2730 | 29 | */ |
vromero@2730 | 30 | |
vromero@2730 | 31 | import java.util.function.Function; |
vromero@2730 | 32 | import java.util.stream.IntStream; |
vromero@2730 | 33 | import java.util.stream.Stream; |
vromero@2730 | 34 | |
vromero@2730 | 35 | public class T8068399 { |
vromero@2730 | 36 | |
vromero@2730 | 37 | public static class Spectrum { |
vromero@2730 | 38 | public double[] getEnergy() { |
vromero@2730 | 39 | return new double[0]; |
vromero@2730 | 40 | } |
vromero@2730 | 41 | } |
vromero@2730 | 42 | |
vromero@2730 | 43 | protected Spectrum spectrum; |
vromero@2730 | 44 | |
vromero@2730 | 45 | public static class Ref<T> { |
vromero@2730 | 46 | |
vromero@2730 | 47 | T value; |
vromero@2730 | 48 | |
vromero@2730 | 49 | public Ref() { |
vromero@2730 | 50 | } |
vromero@2730 | 51 | |
vromero@2730 | 52 | public Ref(T value) { |
vromero@2730 | 53 | this.value = value; |
vromero@2730 | 54 | } |
vromero@2730 | 55 | |
vromero@2730 | 56 | public boolean isNull() { |
vromero@2730 | 57 | return value == null; |
vromero@2730 | 58 | } |
vromero@2730 | 59 | |
vromero@2730 | 60 | public T get() { |
vromero@2730 | 61 | return value; |
vromero@2730 | 62 | } |
vromero@2730 | 63 | |
vromero@2730 | 64 | public void set(T value) { |
vromero@2730 | 65 | this.value = value; |
vromero@2730 | 66 | } |
vromero@2730 | 67 | } |
vromero@2730 | 68 | |
vromero@2730 | 69 | public static <T>T maxKey(Stream<T> stream, Function<T, Double> function) { |
vromero@2730 | 70 | Ref<Double> max = new Ref<>(); |
vromero@2730 | 71 | Ref<T> index = new Ref<>(); |
vromero@2730 | 72 | stream.forEach(v -> { |
vromero@2730 | 73 | Double value = function.apply(v); |
vromero@2730 | 74 | |
vromero@2730 | 75 | if (max.isNull() || value > max.get()) { |
vromero@2730 | 76 | max.set(value); |
vromero@2730 | 77 | index.set(v); |
vromero@2730 | 78 | } |
vromero@2730 | 79 | }); |
vromero@2730 | 80 | |
vromero@2730 | 81 | return index.get(); |
vromero@2730 | 82 | } |
vromero@2730 | 83 | |
vromero@2730 | 84 | public static int interpolate(int x, int x0, int x1, int y0, int y1) { |
vromero@2730 | 85 | return y0 + (x - x0) * (y1 - y0) / (x1 - x0); |
vromero@2730 | 86 | } |
vromero@2730 | 87 | |
vromero@2730 | 88 | public static double interpolate(double x, double x0, double x1, double y0, double y1) { |
vromero@2730 | 89 | return y0 + (x - x0) * (y1 - y0) / (x1 - x0); |
vromero@2730 | 90 | } |
vromero@2730 | 91 | |
vromero@2730 | 92 | protected int getXByFrequency(double frequency) { |
vromero@2730 | 93 | return (int) Math.round(interpolate(frequency, |
vromero@2730 | 94 | getMinSpectrumCoord(), |
vromero@2730 | 95 | getMaxSpectrumCoord(), |
vromero@2730 | 96 | 0, getWidth())); |
vromero@2730 | 97 | } |
vromero@2730 | 98 | |
vromero@2730 | 99 | private int getWidth() { |
vromero@2730 | 100 | return 0; |
vromero@2730 | 101 | } |
vromero@2730 | 102 | |
vromero@2730 | 103 | private double getMaxSpectrumCoord() { |
vromero@2730 | 104 | return 0; |
vromero@2730 | 105 | } |
vromero@2730 | 106 | |
vromero@2730 | 107 | private double getMinSpectrumCoord() { |
vromero@2730 | 108 | return 0; |
vromero@2730 | 109 | } |
vromero@2730 | 110 | |
vromero@2730 | 111 | void foo() { |
vromero@2730 | 112 | int maxBpmIndex = 0; |
vromero@2730 | 113 | int xcur = getXByFrequency(maxKey(IntStream.range(0, maxBpmIndex).boxed(), |
vromero@2730 | 114 | i -> Math.abs(spectrum.getEnergy()[i]))); |
vromero@2730 | 115 | } |
vromero@2730 | 116 | |
vromero@2730 | 117 | public static void main(String [] args) { |
vromero@2730 | 118 | } |
vromero@2730 | 119 | } |