1 // Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file 2 // for details. All rights reserved. Use of this source code is governed by a 3 // BSD-style license that can be found in the LICENSE file. 4 package filledarray; 5 6 import java.util.Arrays; 7 8 public class FilledArray { 9 private static boolean[] booleans = new boolean[] { true, true, false, false }; 10 private static byte[] bytes = new byte[] { 11 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, -19, -20, -96, 12 Byte.MAX_VALUE, Byte.MIN_VALUE }; 13 private static char[] chars = new char[] { 14 Character.MAX_VALUE, 'a', 'b', 'c', 'd', Character.MIN_VALUE }; 15 private static int[] ints = new int[] { Integer.MAX_VALUE, 0, -42, 42, Integer.MIN_VALUE }; 16 private static short[] shorts = new short[] { Short.MAX_VALUE, 0, -42, 42, Short.MIN_VALUE }; 17 private static long[] longs = new long[] { 18 Long.MAX_VALUE, 0x1234123412341234L, -0x1234123412341234L, Long.MIN_VALUE }; 19 private static float[] floats = new float[] { 20 Float.MAX_VALUE, 23.23F, -43.123F, Float.MIN_VALUE, Float.MIN_NORMAL }; 21 private static double[] doubles = new double[] { 22 Double.MAX_VALUE, 123123123.123, -43333.123, Double.MIN_VALUE, Double.MIN_NORMAL }; 23 24 25 public static void filledArrays() { 26 boolean[] localBooleans = new boolean[] { true, true, false, false }; 27 localBooleans[0] = false; 28 byte[] localBytes = new byte[] { 21, 22, -23 }; 29 char[] localChars = new char[] { 'a', 'b', 'c', 'd' }; 30 int[] localInts = new int[] { Integer.MAX_VALUE, 0, -42, 42, Integer.MIN_VALUE }; 31 short[] localShorts = new short[] { Short.MAX_VALUE, 0, -42, 42, Short.MIN_VALUE }; 32 long[] localLongs= new long[] { 0x1234432112341234L, -0x1234123412344321L }; 33 localLongs[1] = localLongs[1] + 2; 34 float[] localFloats = new float[] { 23.23F, -43.123F }; 35 double[] localDoubles = new double[] { 123123123.123, -43333.123 }; 36 System.out.println("booleans"); 37 for (int i = 0; i < booleans.length; i++) { 38 System.out.println(booleans[i]); 39 } 40 for (int i = 0; i < localBooleans.length; i++) { 41 System.out.println(localBooleans[i]); 42 } 43 System.out.println("bytes"); 44 for (int i = 0; i < bytes.length; i++) { 45 System.out.println(bytes[i]); 46 } 47 for (int i = 0; i < localBytes.length; i++) { 48 System.out.println(localBytes[i]); 49 } 50 System.out.println("chars"); 51 for (int i = 0; i < chars.length; i++) { 52 System.out.println(chars[i]); 53 } 54 for (int i = 0; i < localChars.length; i++) { 55 System.out.println(localChars[i]); 56 } 57 System.out.println("ints"); 58 for (int i = 0; i < ints.length; i++) { 59 System.out.println(ints[i]); 60 } 61 for (int i = 0; i < localInts.length; i++) { 62 System.out.println(localInts[i]); 63 } 64 System.out.println("shorts"); 65 for (int i = 0; i < shorts.length; i++) { 66 System.out.println(shorts[i]); 67 } 68 for (int i = 0; i < localShorts.length; i++) { 69 System.out.println(localShorts[i]); 70 } 71 System.out.println("longs"); 72 for (int i = 0; i < longs.length; i++) { 73 System.out.println(longs[i]); 74 } 75 for (int i = 0; i < localLongs.length; i++) { 76 System.out.println(localLongs[i]); 77 } 78 System.out.println("floats"); 79 for (int i = 0; i < floats.length; i++) { 80 System.out.println(floats[i]); 81 } 82 for (int i = 0; i < localFloats.length; i++) { 83 System.out.println(localFloats[i]); 84 } 85 System.out.println("doubles"); 86 for (int i = 0; i < doubles.length; i++) { 87 System.out.println(doubles[i]); 88 } 89 for (int i = 0; i < localDoubles.length; i++) { 90 System.out.println(localDoubles[i]); 91 } 92 } 93 94 public static void filledArraysExceptions(int divisor) { 95 try { 96 // Array creations that can be turned into fill-array-data. 97 int[] ints = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; 98 int[] ints2 = new int[5]; 99 ints2[0] = 0; 100 ints2[1] = 1; 101 ints2[2] = 2; 102 ints2[3] = 3; 103 ints2[4] = 4; 104 int i = ints[1] / divisor; 105 System.out.println("i = " + i); 106 System.out.println("ints = " + Arrays.toString(ints)); 107 System.out.println("ints2 = " + Arrays.toString(ints2)); 108 } catch (Throwable t) { 109 System.out.println("Exception: " + t.getClass().toString()); 110 } 111 112 try { 113 // Array creation that cannot be turned into fill-array-data because an exception would 114 // cause the initialization sequence to be interrupted. 115 int[] ints = new int[5]; 116 ints[0] = 0; 117 ints[1] = 1; 118 ints[2] = 2; 119 ints[3] = 3; 120 int i = 7 / divisor; 121 ints[4] = 4; 122 System.out.println("i = " + i); 123 System.out.println("ints = " + Arrays.toString(ints)); 124 } catch (Throwable t) { 125 System.out.println("Exception: " + t.getClass().toString()); 126 } 127 } 128 129 public static void main(String[] args) { 130 filledArrays(); 131 filledArraysExceptions(1); 132 filledArraysExceptions(0); 133 } 134 } 135