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