1/* 2 * Copyright (c) 1994, 2003, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.tools.java; 27 28/** 29 * This class represents an Java method type. 30 * It overrides the relevant methods in class Type. 31 * 32 * WARNING: The contents of this source file are not part of any 33 * supported API. Code that depends on them does so at its own risk: 34 * they are subject to change or removal without notice. 35 * 36 * @author Arthur van Hoff 37 */ 38public final 39class MethodType extends Type { 40 /** 41 * The return type. 42 */ 43 Type returnType; 44 45 /** 46 * The argument types. 47 */ 48 Type argTypes[]; 49 50 /** 51 * Construct a method type. Use Type.tMethod to create 52 * a new method type. 53 * @see Type.tMethod 54 */ 55 MethodType(String typeSig, Type returnType, Type argTypes[]) { 56 super(TC_METHOD, typeSig); 57 this.returnType = returnType; 58 this.argTypes = argTypes; 59 } 60 61 public Type getReturnType() { 62 return returnType; 63 } 64 65 public Type getArgumentTypes()[] { 66 return argTypes; 67 } 68 69 public boolean equalArguments(Type t) { 70 if (t.typeCode != TC_METHOD) { 71 return false; 72 } 73 MethodType m = (MethodType)t; 74 if (argTypes.length != m.argTypes.length) { 75 return false; 76 } 77 for (int i = argTypes.length - 1 ; i >= 0 ; i--) { 78 if (argTypes[i] != m.argTypes[i]) { 79 return false; 80 } 81 } 82 return true; 83 } 84 85 public int stackSize() { 86 int n = 0; 87 for (int i = 0 ; i < argTypes.length ; i++) { 88 n += argTypes[i].stackSize(); 89 } 90 return n; 91 } 92 93 public String typeString(String id, boolean abbrev, boolean ret) { 94 StringBuilder sb = new StringBuilder(); 95 sb.append(id); 96 sb.append('('); 97 for (int i = 0 ; i < argTypes.length ; i++) { 98 if (i > 0) { 99 sb.append(", "); 100 } 101 sb.append(argTypes[i].typeString("", abbrev, ret)); 102 } 103 sb.append(')'); 104 105 return ret ? getReturnType().typeString(sb.toString(), abbrev, ret) : sb.toString(); 106 } 107} 108