1/* 2 * Copyright (c) 2009, 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 25package com.sun.hotspot.tools.compiler; 26 27import java.util.Arrays; 28 29import static com.sun.hotspot.tools.compiler.Constants.*; 30 31/** 32 * Representation of a Java method in a compilation log. 33 */ 34public class Method { 35 36 /** 37 * The name of the class holding the method. 38 */ 39 private String holder; 40 41 /** 42 * The method's name. 43 */ 44 private String name; 45 46 /** 47 * The return type of the method, as a fully qualified (source-level) class 48 * or primitive type name. 49 */ 50 private String returnType; 51 52 /** 53 * The method's signature, in internal form. 54 */ 55 private String signature; 56 57 /** 58 * The length of the method's byte code. 59 */ 60 private String bytes; 61 62 /** 63 * The number of times this method was invoked in the interpreter. 64 */ 65 private String iicount; 66 67 /** 68 * The method's flags, in the form of a {@code String} representing the 69 * {@code int} encoding them. 70 */ 71 private String flags; 72 73 /** 74 * Decode the {@link flags} numerical string to a format for console 75 * output. The result does not honour all possible flags but includes 76 * information about OSR compilation. 77 * 78 * @param osr_bci the byte code index at which an OSR compilation takes 79 * place, or -1 if the compilation is not an OSR one. 80 */ 81 String decodeFlags(int osr_bci) { 82 int f = Integer.parseInt(getFlags()); 83 char[] c = new char[4]; 84 Arrays.fill(c, ' '); 85 if (osr_bci >= 0) { 86 c[0] = '%'; 87 } 88 if ((f & JVM_ACC_SYNCHRONIZED) != 0) { 89 c[1] = 's'; 90 } 91 return new String(c); 92 } 93 94 /** 95 * Format this method for console output. 96 * 97 * @param osr_bci the byte code index at which OSR takes place, or -1 if no 98 * OSR compilation is going on. 99 */ 100 String format(int osr_bci) { 101 if (osr_bci >= 0) { 102 return getHolder() + "::" + getName() + " @ " + osr_bci + " (" + getBytes() + " bytes)"; 103 } else { 104 return getHolder() + "::" + getName() + " (" + getBytes() + " bytes)"; 105 } 106 } 107 108 @Override 109 public String toString() { 110 return getHolder() + "::" + getName() + " (" + getBytes() + " bytes)"; 111 } 112 113 public String getFullName() { 114 return getHolder().replace('/', '.') + "." + getName() + signature; 115 } 116 117 public String getHolder() { 118 return holder; 119 } 120 121 public void setHolder(String holder) { 122 this.holder = holder; 123 } 124 125 public String getName() { 126 return name; 127 } 128 129 public void setName(String name) { 130 this.name = name; 131 } 132 133 public String getReturnType() { 134 return returnType; 135 } 136 137 public void setReturnType(String returnType) { 138 this.returnType = returnType; 139 } 140 141 public String getSignature() { 142 return signature; 143 } 144 145 public void setSignature(String signature) { 146 this.signature = signature.replace('/', '.'); 147 } 148 149 public String getArguments() { 150 return signature.substring(0, signature.indexOf(')') + 1); 151 } 152 153 public String getBytes() { 154 return bytes; 155 } 156 157 public void setBytes(String bytes) { 158 this.bytes = bytes; 159 } 160 161 public String getIICount() { 162 return iicount; 163 } 164 165 public void setIICount(String iicount) { 166 this.iicount = iicount; 167 } 168 169 public String getFlags() { 170 return flags; 171 } 172 173 public void setFlags(String flags) { 174 this.flags = flags; 175 } 176 177 @Override 178 public boolean equals(Object o) { 179 if (o instanceof Method) { 180 Method other = (Method) o; 181 return holder.equals(other.holder) && name.equals(other.name) && signature.equals(other.signature); 182 } 183 return false; 184 } 185 186 public int hashCode() { 187 return holder.hashCode() ^ name.hashCode(); 188 } 189} 190