1 /* 2 * Copyright (c) 2012, 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 package jdk.vm.ci.runtime.test; 24 25 import jdk.vm.ci.meta.MetaAccessProvider; 26 import jdk.vm.ci.meta.ResolvedJavaMethod; 27 import jdk.vm.ci.meta.ResolvedJavaType; 28 import jdk.vm.ci.meta.Signature; 29 import jdk.vm.ci.runtime.JVMCI; 30 31 import java.lang.reflect.Method; 32 import java.util.Arrays; 33 34 class NameAndSignature { 35 36 public static final MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); 37 38 final String name; 39 final Class<?> returnType; 40 final Class<?>[] parameterTypes; 41 42 NameAndSignature(Method m) { 43 this.name = m.getName(); 44 this.returnType = m.getReturnType(); 45 this.parameterTypes = m.getParameterTypes(); 46 } 47 48 @Override 49 public boolean equals(Object obj) { 50 if (obj instanceof NameAndSignature) { 51 NameAndSignature s = (NameAndSignature) obj; 52 return s.returnType == returnType && name.equals(s.name) && Arrays.equals(s.parameterTypes, parameterTypes); 53 } 54 return false; 55 } 56 57 @Override 58 public int hashCode() { 59 return name.hashCode(); 60 } 61 62 @Override 63 public String toString() { 64 StringBuilder sb = new StringBuilder(name + "("); 65 String sep = ""; 66 for (Class<?> p : parameterTypes) { 67 sb.append(sep); 68 sep = ", "; 69 sb.append(p.getName()); 70 } 71 return sb.append(')').append(returnType.getName()).toString(); 72 } 73 74 public boolean signatureEquals(ResolvedJavaMethod m) { 75 Signature s = m.getSignature(); 76 ResolvedJavaType declaringClass = m.getDeclaringClass(); 77 if (!s.getReturnType(declaringClass).resolve(declaringClass).equals(metaAccess.lookupJavaType(returnType))) { 78 return false; 79 } 80 if (s.getParameterCount(false) != parameterTypes.length) { 81 return false; 82 } 83 for (int i = 0; i < parameterTypes.length; i++) { 84 if (!s.getParameterType(i, declaringClass).resolve(declaringClass).equals(metaAccess.lookupJavaType(parameterTypes[i]))) { 85 return false; 86 } 87 } 88 return true; 89 } 90 }