Tue, 16 Sep 2008 18:35:18 -0700
6574134: Allow for alternative implementation of Name Table with garbage collection of name bytes
Reviewed-by: darcy, mcimadamore
jjg@46 | 1 | /* |
jjg@46 | 2 | * Copyright 2008 Sun Microsystems, Inc. All Rights Reserved. |
jjg@46 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@46 | 4 | * |
jjg@46 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@46 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@46 | 7 | * published by the Free Software Foundation. Sun designates this |
jjg@46 | 8 | * particular file as subject to the "Classpath" exception as provided |
jjg@46 | 9 | * by Sun in the LICENSE file that accompanied this code. |
jjg@46 | 10 | * |
jjg@46 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@46 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@46 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@46 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@46 | 15 | * accompanied this code). |
jjg@46 | 16 | * |
jjg@46 | 17 | * You should have received a copy of the GNU General Public License version |
jjg@46 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@46 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@46 | 20 | * |
jjg@46 | 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
jjg@46 | 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
jjg@46 | 23 | * have any questions. |
jjg@46 | 24 | */ |
jjg@46 | 25 | |
jjg@46 | 26 | package com.sun.tools.classfile; |
jjg@46 | 27 | |
jjg@46 | 28 | import java.util.List; |
jjg@46 | 29 | |
jjg@46 | 30 | /* |
jjg@46 | 31 | * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
jjg@46 | 32 | * you write code that depends on this, you do so at your own risk. |
jjg@46 | 33 | * This code and its internal interfaces are subject to change or |
jjg@46 | 34 | * deletion without notice.</b> |
jjg@46 | 35 | */ |
jjg@46 | 36 | public class Type { |
jjg@46 | 37 | protected Type() { } |
jjg@46 | 38 | |
jjg@46 | 39 | protected static void append(StringBuilder sb, String prefix, List<? extends Type> types, String suffix) { |
jjg@46 | 40 | sb.append(prefix); |
jjg@46 | 41 | String sep = ""; |
jjg@46 | 42 | for (Type t: types) { |
jjg@46 | 43 | sb.append(sep); |
jjg@46 | 44 | sb.append(t); |
jjg@46 | 45 | sep = ", "; |
jjg@46 | 46 | } |
jjg@46 | 47 | sb.append(suffix); |
jjg@46 | 48 | } |
jjg@46 | 49 | |
jjg@46 | 50 | protected static void appendIfNotEmpty(StringBuilder sb, String prefix, List<? extends Type> types, String suffix) { |
jjg@46 | 51 | if (types != null && types.size() > 0) |
jjg@46 | 52 | append(sb, prefix, types, suffix); |
jjg@46 | 53 | } |
jjg@46 | 54 | |
jjg@46 | 55 | public static class SimpleType extends Type { |
jjg@46 | 56 | public SimpleType(String name) { |
jjg@46 | 57 | this.name = name; |
jjg@46 | 58 | } |
jjg@46 | 59 | |
jjg@46 | 60 | @Override |
jjg@46 | 61 | public String toString() { |
jjg@46 | 62 | return name; |
jjg@46 | 63 | } |
jjg@46 | 64 | |
jjg@46 | 65 | public final String name; |
jjg@46 | 66 | } |
jjg@46 | 67 | |
jjg@46 | 68 | public static class ArrayType extends Type { |
jjg@46 | 69 | public ArrayType(Type elemType) { |
jjg@46 | 70 | this.elemType = elemType; |
jjg@46 | 71 | } |
jjg@46 | 72 | |
jjg@46 | 73 | @Override |
jjg@46 | 74 | public String toString() { |
jjg@46 | 75 | return elemType + "[]"; |
jjg@46 | 76 | } |
jjg@46 | 77 | |
jjg@46 | 78 | public final Type elemType; |
jjg@46 | 79 | } |
jjg@46 | 80 | |
jjg@46 | 81 | public static class MethodType extends Type { |
jjg@46 | 82 | public MethodType(List<? extends Type> argTypes, Type resultType) { |
jjg@46 | 83 | this(null, argTypes, resultType, null); |
jjg@46 | 84 | } |
jjg@46 | 85 | |
jjg@46 | 86 | public MethodType(List<? extends Type> typeArgTypes, |
jjg@46 | 87 | List<? extends Type> argTypes, |
jjg@46 | 88 | Type returnType, |
jjg@46 | 89 | List<? extends Type> throwsTypes) { |
jjg@46 | 90 | this.typeArgTypes = typeArgTypes; |
jjg@46 | 91 | this.argTypes = argTypes; |
jjg@46 | 92 | this.returnType = returnType; |
jjg@46 | 93 | this.throwsTypes = throwsTypes; |
jjg@46 | 94 | } |
jjg@46 | 95 | |
jjg@46 | 96 | @Override |
jjg@46 | 97 | public String toString() { |
jjg@46 | 98 | StringBuilder sb = new StringBuilder(); |
jjg@46 | 99 | appendIfNotEmpty(sb, "<", typeArgTypes, "> "); |
jjg@46 | 100 | sb.append(returnType); |
jjg@46 | 101 | append(sb, " (", argTypes, ")"); |
jjg@46 | 102 | appendIfNotEmpty(sb, " throws ", throwsTypes, ""); |
jjg@46 | 103 | return sb.toString(); |
jjg@46 | 104 | } |
jjg@46 | 105 | |
jjg@46 | 106 | public final List<? extends Type> typeArgTypes; |
jjg@46 | 107 | public final List<? extends Type> argTypes; |
jjg@46 | 108 | public final Type returnType; |
jjg@46 | 109 | public final List<? extends Type> throwsTypes; |
jjg@46 | 110 | } |
jjg@46 | 111 | |
jjg@46 | 112 | public static class ClassSigType extends Type { |
jjg@46 | 113 | public ClassSigType(List<Type> typeArgTypes, Type superclassType, List<Type> superinterfaceTypes) { |
jjg@46 | 114 | this.typeArgTypes = typeArgTypes; |
jjg@46 | 115 | this.superclassType = superclassType; |
jjg@46 | 116 | this.superinterfaceTypes = superinterfaceTypes; |
jjg@46 | 117 | } |
jjg@46 | 118 | |
jjg@46 | 119 | @Override |
jjg@46 | 120 | public String toString() { |
jjg@46 | 121 | StringBuilder sb = new StringBuilder(); |
jjg@46 | 122 | appendIfNotEmpty(sb, "<", typeArgTypes, ">"); |
jjg@65 | 123 | if (superclassType != null) { |
jjg@46 | 124 | sb.append(" extends "); |
jjg@46 | 125 | sb.append(superclassType); |
jjg@46 | 126 | } |
jjg@46 | 127 | appendIfNotEmpty(sb, " implements ", superinterfaceTypes, ""); |
jjg@46 | 128 | return sb.toString(); |
jjg@46 | 129 | } |
jjg@46 | 130 | |
jjg@46 | 131 | public final List<Type> typeArgTypes; |
jjg@46 | 132 | public final Type superclassType; |
jjg@46 | 133 | public final List<Type> superinterfaceTypes; |
jjg@46 | 134 | } |
jjg@46 | 135 | |
jjg@46 | 136 | public static class ClassType extends Type { |
jjg@46 | 137 | public ClassType(String name, List<Type> typeArgs) { |
jjg@46 | 138 | this.name = name; |
jjg@46 | 139 | this.typeArgs = typeArgs; |
jjg@46 | 140 | } |
jjg@46 | 141 | |
jjg@46 | 142 | @Override |
jjg@46 | 143 | public String toString() { |
jjg@46 | 144 | StringBuilder sb = new StringBuilder(); |
jjg@46 | 145 | sb.append(name); |
jjg@46 | 146 | appendIfNotEmpty(sb, "<", typeArgs, ">"); |
jjg@46 | 147 | return sb.toString(); |
jjg@46 | 148 | } |
jjg@46 | 149 | |
jjg@46 | 150 | public final String name; |
jjg@46 | 151 | public final List<Type> typeArgs; |
jjg@46 | 152 | } |
jjg@46 | 153 | |
jjg@46 | 154 | |
jjg@46 | 155 | public static class InnerClassType extends Type { |
jjg@46 | 156 | public InnerClassType(Type outerType, Type innerType) { |
jjg@46 | 157 | this.outerType = outerType; |
jjg@46 | 158 | this.innerType = innerType; |
jjg@46 | 159 | } |
jjg@46 | 160 | |
jjg@46 | 161 | @Override |
jjg@46 | 162 | public String toString() { |
jjg@46 | 163 | return outerType + "." + innerType; |
jjg@46 | 164 | } |
jjg@46 | 165 | |
jjg@46 | 166 | public final Type outerType; |
jjg@46 | 167 | public final Type innerType; |
jjg@46 | 168 | } |
jjg@46 | 169 | |
jjg@46 | 170 | public static class TypeArgType extends Type { |
jjg@46 | 171 | public TypeArgType(String name, Type classBound, List<Type> interfaceBounds) { |
jjg@46 | 172 | this.name = name; |
jjg@46 | 173 | this.classBound = classBound; |
jjg@46 | 174 | this.interfaceBounds = interfaceBounds; |
jjg@46 | 175 | } |
jjg@46 | 176 | |
jjg@46 | 177 | @Override |
jjg@46 | 178 | public String toString() { |
jjg@46 | 179 | StringBuilder sb = new StringBuilder(); |
jjg@46 | 180 | sb.append(name); |
jjg@46 | 181 | String sep = " extends "; |
jjg@65 | 182 | if (classBound != null) { |
jjg@46 | 183 | sb.append(sep); |
jjg@46 | 184 | sb.append(classBound); |
jjg@46 | 185 | sep = " & "; |
jjg@46 | 186 | } |
jjg@46 | 187 | if (interfaceBounds != null) { |
jjg@46 | 188 | for (Type bound: interfaceBounds) { |
jjg@46 | 189 | sb.append(sep); |
jjg@46 | 190 | sb.append(bound); |
jjg@46 | 191 | sep = " & "; |
jjg@46 | 192 | } |
jjg@46 | 193 | } |
jjg@46 | 194 | return sb.toString(); |
jjg@46 | 195 | } |
jjg@46 | 196 | |
jjg@46 | 197 | public final String name; |
jjg@46 | 198 | public final Type classBound; |
jjg@46 | 199 | public final List<Type> interfaceBounds; |
jjg@46 | 200 | } |
jjg@46 | 201 | |
jjg@46 | 202 | public static class WildcardType extends Type { |
jjg@46 | 203 | public WildcardType() { |
jjg@46 | 204 | this(null, null); |
jjg@46 | 205 | } |
jjg@46 | 206 | |
jjg@46 | 207 | public WildcardType(String kind, Type boundType) { |
jjg@46 | 208 | this.kind = kind; |
jjg@46 | 209 | this.boundType = boundType; |
jjg@46 | 210 | } |
jjg@46 | 211 | |
jjg@46 | 212 | @Override |
jjg@46 | 213 | public String toString() { |
jjg@46 | 214 | if (kind == null) |
jjg@46 | 215 | return "?"; |
jjg@46 | 216 | else |
jjg@46 | 217 | return "? " + kind + " " + boundType; |
jjg@46 | 218 | } |
jjg@46 | 219 | |
jjg@46 | 220 | public final String kind; |
jjg@46 | 221 | public final Type boundType; |
jjg@46 | 222 | } |
jjg@46 | 223 | } |