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 24 package jdk.test.lib.jittester; 25 26 public abstract class BuiltInType extends Type { 27 28 private static class BuiltInTypeCapacityHelper { 29 30 private static final String builtInTypes[] = {"boolean", "byte", "short", "char", "int", "long", "float", "double"}; 31 32 private static int getIndexFor(String typeName) { 33 for (int i = 0; i < builtInTypes.length; i++) { 34 if (typeName.compareTo(builtInTypes[i]) == 0) { 35 return i; 36 } 37 } 38 return -1; 39 } 40 41 public static int compare(String typeName1, String typeName2) { 42 int i1 = getIndexFor(typeName1); 43 int i2 = getIndexFor(typeName2); 44 45 return i1 - i2; 46 } 47 } 48 49 protected BuiltInType(String name) { 50 super(name); 51 } 52 53 @Override 54 public boolean canImplicitlyCastTo(Type type) { 55 if (equals(type)) { 56 return true; 57 } 58 try { 59 BuiltInType t = (BuiltInType) type; 60 // You cannot impicitly cast anything to char or boolean 61 if (t.getName().compareTo("boolean") == 0 || t.getName().compareTo("char") == 0) { 62 return false; 63 } 64 if (t.isMoreCapaciousThan(this)) { 65 return true; 66 } 67 } catch (Exception e) { 68 } 69 return false; 70 } 71 72 @Override 73 public boolean canExplicitlyCastTo(Type t) { 74 if (equals(t)) { 75 return true; 76 } 77 try { 78 BuiltInType _t = (BuiltInType) t; 79 if (_t.getName().compareTo("boolean") != 0) { 80 return true; 81 } 82 } catch (Exception e) { 83 } 84 return false; 85 } 86 87 public boolean isMoreCapaciousThan(BuiltInType t) { 88 return BuiltInTypeCapacityHelper.compare(this.getName(), t.getName()) > 0; 89 } 90 91 @Override 92 public boolean canCompareTo(Type t) { 93 return true; 94 } 95 96 @Override 97 public boolean canEquateTo(Type t) { 98 return true; 99 } 100 }