Thu, 12 Oct 2017 19:44:07 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.codemodel.internal; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.io.PrintWriter; |
aoqi@0 | 29 | import java.io.StringWriter; |
aoqi@0 | 30 | |
aoqi@0 | 31 | /** |
aoqi@0 | 32 | * Modifier groups. |
aoqi@0 | 33 | */ |
aoqi@0 | 34 | public class JMods implements JGenerable { |
aoqi@0 | 35 | |
aoqi@0 | 36 | // |
aoqi@0 | 37 | // mask |
aoqi@0 | 38 | // |
aoqi@0 | 39 | private static int VAR = JMod.FINAL; |
aoqi@0 | 40 | private static int FIELD = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED |
aoqi@0 | 41 | | JMod.STATIC | JMod.FINAL |
aoqi@0 | 42 | | JMod.TRANSIENT | JMod.VOLATILE); |
aoqi@0 | 43 | private static int METHOD = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED | JMod.FINAL |
aoqi@0 | 44 | | JMod.ABSTRACT | JMod.STATIC | JMod.NATIVE | JMod.SYNCHRONIZED); |
aoqi@0 | 45 | private static int CLASS = (JMod.PUBLIC | JMod.PRIVATE | JMod.PROTECTED |
aoqi@0 | 46 | | JMod.STATIC | JMod.FINAL | JMod.ABSTRACT); |
aoqi@0 | 47 | private static int INTERFACE = JMod.PUBLIC; |
aoqi@0 | 48 | /** bit-packed representation of modifiers. */ |
aoqi@0 | 49 | private int mods; |
aoqi@0 | 50 | |
aoqi@0 | 51 | private JMods(int mods) { |
aoqi@0 | 52 | this.mods = mods; |
aoqi@0 | 53 | } |
aoqi@0 | 54 | |
aoqi@0 | 55 | /** |
aoqi@0 | 56 | * Gets the bit-packed representaion of modifiers. |
aoqi@0 | 57 | */ |
aoqi@0 | 58 | public int getValue() { |
aoqi@0 | 59 | return mods; |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | private static void check(int mods, int legal, String what) { |
aoqi@0 | 63 | if ((mods & ~legal) != 0) { |
aoqi@0 | 64 | throw new IllegalArgumentException("Illegal modifiers for " |
aoqi@0 | 65 | + what + ": " |
aoqi@0 | 66 | + new JMods(mods).toString()); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | /* ## check for illegal combinations too */ |
aoqi@0 | 69 | } |
aoqi@0 | 70 | |
aoqi@0 | 71 | static JMods forVar(int mods) { |
aoqi@0 | 72 | check(mods, VAR, "variable"); |
aoqi@0 | 73 | return new JMods(mods); |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | static JMods forField(int mods) { |
aoqi@0 | 77 | check(mods, FIELD, "field"); |
aoqi@0 | 78 | return new JMods(mods); |
aoqi@0 | 79 | } |
aoqi@0 | 80 | |
aoqi@0 | 81 | static JMods forMethod(int mods) { |
aoqi@0 | 82 | check(mods, METHOD, "method"); |
aoqi@0 | 83 | return new JMods(mods); |
aoqi@0 | 84 | } |
aoqi@0 | 85 | |
aoqi@0 | 86 | static JMods forClass(int mods) { |
aoqi@0 | 87 | check(mods, CLASS, "class"); |
aoqi@0 | 88 | return new JMods(mods); |
aoqi@0 | 89 | } |
aoqi@0 | 90 | |
aoqi@0 | 91 | static JMods forInterface(int mods) { |
aoqi@0 | 92 | check(mods, INTERFACE, "class"); |
aoqi@0 | 93 | return new JMods(mods); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | public boolean isAbstract() { |
aoqi@0 | 97 | return (mods & JMod.ABSTRACT) != 0; |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | public boolean isNative() { |
aoqi@0 | 101 | return (mods & JMod.NATIVE) != 0; |
aoqi@0 | 102 | } |
aoqi@0 | 103 | |
aoqi@0 | 104 | public boolean isSynchronized() { |
aoqi@0 | 105 | return (mods & JMod.SYNCHRONIZED) != 0; |
aoqi@0 | 106 | } |
aoqi@0 | 107 | |
aoqi@0 | 108 | public void setSynchronized(boolean newValue) { |
aoqi@0 | 109 | setFlag(JMod.SYNCHRONIZED, newValue); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | public void setPrivate() { |
aoqi@0 | 113 | setFlag(JMod.PUBLIC, false); |
aoqi@0 | 114 | setFlag(JMod.PROTECTED, false); |
aoqi@0 | 115 | setFlag(JMod.PRIVATE, true); |
aoqi@0 | 116 | } |
aoqi@0 | 117 | |
aoqi@0 | 118 | public void setProtected() { |
aoqi@0 | 119 | setFlag(JMod.PUBLIC, false); |
aoqi@0 | 120 | setFlag(JMod.PROTECTED, true); |
aoqi@0 | 121 | setFlag(JMod.PRIVATE, false); |
aoqi@0 | 122 | } |
aoqi@0 | 123 | |
aoqi@0 | 124 | public void setPublic() { |
aoqi@0 | 125 | setFlag(JMod.PUBLIC, true); |
aoqi@0 | 126 | setFlag(JMod.PROTECTED, false); |
aoqi@0 | 127 | setFlag(JMod.PRIVATE, false); |
aoqi@0 | 128 | } |
aoqi@0 | 129 | |
aoqi@0 | 130 | public void setFinal(boolean newValue) { |
aoqi@0 | 131 | setFlag(JMod.FINAL, newValue); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | private void setFlag(int bit, boolean newValue) { |
aoqi@0 | 135 | mods = (mods & ~bit) | (newValue ? bit : 0); |
aoqi@0 | 136 | } |
aoqi@0 | 137 | |
aoqi@0 | 138 | public void generate(JFormatter f) { |
aoqi@0 | 139 | if ((mods & JMod.PUBLIC) != 0) f.p("public"); |
aoqi@0 | 140 | if ((mods & JMod.PROTECTED) != 0) f.p("protected"); |
aoqi@0 | 141 | if ((mods & JMod.PRIVATE) != 0) f.p("private"); |
aoqi@0 | 142 | if ((mods & JMod.FINAL) != 0) f.p("final"); |
aoqi@0 | 143 | if ((mods & JMod.STATIC) != 0) f.p("static"); |
aoqi@0 | 144 | if ((mods & JMod.ABSTRACT) != 0) f.p("abstract"); |
aoqi@0 | 145 | if ((mods & JMod.NATIVE) != 0) f.p("native"); |
aoqi@0 | 146 | if ((mods & JMod.SYNCHRONIZED) != 0) f.p("synchronized"); |
aoqi@0 | 147 | if ((mods & JMod.TRANSIENT) != 0) f.p("transient"); |
aoqi@0 | 148 | if ((mods & JMod.VOLATILE) != 0) f.p("volatile"); |
aoqi@0 | 149 | } |
aoqi@0 | 150 | |
aoqi@0 | 151 | @Override |
aoqi@0 | 152 | public String toString() { |
aoqi@0 | 153 | StringWriter s = new StringWriter(); |
aoqi@0 | 154 | JFormatter f = new JFormatter(new PrintWriter(s)); |
aoqi@0 | 155 | this.generate(f); |
aoqi@0 | 156 | return s.toString(); |
aoqi@0 | 157 | } |
aoqi@0 | 158 | } |