1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/sym/Profiles.java Mon Jan 21 01:27:42 2013 -0500
1.3 @@ -0,0 +1,298 @@
1.4 +/*
1.5 + * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +package com.sun.tools.javac.sym;
1.29 +
1.30 +import java.io.BufferedInputStream;
1.31 +import java.io.BufferedWriter;
1.32 +import java.io.File;
1.33 +import java.io.FileInputStream;
1.34 +import java.io.FileWriter;
1.35 +import java.io.IOException;
1.36 +import java.nio.charset.Charset;
1.37 +import java.nio.file.Files;
1.38 +import java.util.HashMap;
1.39 +import java.util.Map;
1.40 +import java.util.Properties;
1.41 +import java.util.Set;
1.42 +import java.util.TreeMap;
1.43 +import java.util.TreeSet;
1.44 +
1.45 +import com.sun.tools.javac.util.Assert;
1.46 +
1.47 +/**
1.48 + * Provide details about profile contents.
1.49 + *
1.50 + * <p><b>This is NOT part of any supported API.
1.51 + * If you write code that depends on this, you do so at your own
1.52 + * risk. This code and its internal interfaces are subject to change
1.53 + * or deletion without notice.</b></p>
1.54 + */
1.55 +public abstract class Profiles {
1.56 + // for debugging
1.57 + public static void main(String[] args) throws IOException {
1.58 + Profiles p = Profiles.read(new File(args[0]));
1.59 + if (args.length >= 2) {
1.60 + Map<Integer,Set<String>> lists = new TreeMap<Integer,Set<String>>();
1.61 + for (int i = 1; i <= 4; i++)
1.62 + lists.put(i, new TreeSet<String>());
1.63 +
1.64 + File rt_jar_lst = new File(args[1]);
1.65 + for (String line: Files.readAllLines(rt_jar_lst.toPath(), Charset.defaultCharset())) {
1.66 + if (line.endsWith(".class")) {
1.67 + String type = line.substring(0, line.length() - 6);
1.68 + int profile = p.getProfile(type);
1.69 + for (int i = profile; i <= 4; i++)
1.70 + lists.get(i).add(type);
1.71 + }
1.72 + }
1.73 +
1.74 + for (int i = 1; i <= 4; i++) {
1.75 + BufferedWriter out = new BufferedWriter(new FileWriter(i + ".txt"));
1.76 + try {
1.77 + for (String type: lists.get(i)) {
1.78 + out.write(type);
1.79 + out.newLine();
1.80 + }
1.81 + } finally {
1.82 + out.close();
1.83 + }
1.84 + }
1.85 + }
1.86 + }
1.87 +
1.88 + public static Profiles read(File file) throws IOException {
1.89 + BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
1.90 + try {
1.91 + Properties p = new Properties();
1.92 + p.load(in);
1.93 + if (p.containsKey("java/lang/Object"))
1.94 + return new SimpleProfiles(p);
1.95 + else
1.96 + return new MakefileProfiles(p);
1.97 + } finally {
1.98 + in.close();
1.99 + }
1.100 + }
1.101 +
1.102 + public abstract int getProfileCount();
1.103 +
1.104 + public abstract int getProfile(String typeName);
1.105 +
1.106 + public abstract Set<String> getPackages(int profile);
1.107 +
1.108 + private static class MakefileProfiles extends Profiles {
1.109 + static class Package {
1.110 + final Package parent;
1.111 + final String name;
1.112 +
1.113 + Map<String, Package> subpackages = new TreeMap<String, Package>();
1.114 +
1.115 + int profile;
1.116 + Map<String, Integer> includedTypes = new TreeMap<String,Integer>();
1.117 + Map<String, Integer> excludedTypes = new TreeMap<String,Integer>();
1.118 +
1.119 + Package(Package parent, String name) {
1.120 + this.parent = parent;
1.121 + this.name = name;
1.122 + }
1.123 +
1.124 + int getProfile() {
1.125 + return (parent == null) ? profile : Math.max(parent.getProfile(), profile);
1.126 + }
1.127 +
1.128 + int getProfile(String simpleTypeName) {
1.129 + Integer i;
1.130 + if ((i = includedTypes.get(simpleTypeName)) != null)
1.131 + return i;
1.132 + if ((i = includedTypes.get("*")) != null)
1.133 + return i;
1.134 + if ((i = excludedTypes.get(simpleTypeName)) != null)
1.135 + return i + 1;
1.136 + if ((i = excludedTypes.get("*")) != null)
1.137 + return i + 1;
1.138 + return getProfile();
1.139 + }
1.140 +
1.141 + String getName() {
1.142 + return (parent == null) ? name : (parent.getName() + "/" + name);
1.143 + }
1.144 +
1.145 + void getPackages(int profile, Set<String> results) {
1.146 + int prf = getProfile();
1.147 + if (prf != 0 && profile >= prf)
1.148 + results.add(getName());
1.149 + for (Package pkg: subpackages.values())
1.150 + pkg.getPackages(profile, results);
1.151 + }
1.152 + }
1.153 +
1.154 + final static Map<String, Package> packages = new TreeMap<String, Package>();
1.155 + int maxProfile;
1.156 +
1.157 + MakefileProfiles(Properties p) {
1.158 + int profile = 1;
1.159 + while (true) {
1.160 + String inclPackages = p.getProperty("PROFILE_" + profile + "_RTJAR_INCLUDE_PACKAGES");
1.161 + if (inclPackages == null)
1.162 + break;
1.163 + for (String pkg: inclPackages.substring(1).trim().split("\\s+")) {
1.164 + if (pkg.endsWith("/"))
1.165 + pkg = pkg.substring(0, pkg.length() - 1);
1.166 + includePackage(profile, pkg);
1.167 + }
1.168 + String inclTypes = p.getProperty("PROFILE_" + profile + "_RTJAR_INCLUDE_TYPES");
1.169 + if (inclTypes != null) {
1.170 + for (String type: inclTypes.replace("$$", "$").split("\\s+")) {
1.171 + if (type.endsWith(".class"))
1.172 + includeType(profile, type.substring(0, type.length() - 6));
1.173 + }
1.174 + }
1.175 + String exclTypes = p.getProperty("PROFILE_" + profile + "_RTJAR_EXCLUDE_TYPES");
1.176 + if (exclTypes != null) {
1.177 + for (String type: exclTypes.replace("$$", "$").split("\\s+")) {
1.178 + if (type.endsWith(".class"))
1.179 + excludeType(profile, type.substring(0, type.length() - 6));
1.180 + }
1.181 + }
1.182 + maxProfile = profile;
1.183 + profile++;
1.184 + }
1.185 + }
1.186 +
1.187 + @Override
1.188 + public int getProfileCount() {
1.189 + return maxProfile;
1.190 + }
1.191 +
1.192 + @Override
1.193 + public int getProfile(String typeName) {
1.194 + int sep = typeName.lastIndexOf("/");
1.195 + String packageName = typeName.substring(0, sep);
1.196 + String simpleName = typeName.substring(sep + 1);
1.197 +
1.198 + Package p = getPackage(packageName);
1.199 + return p.getProfile(simpleName);
1.200 + }
1.201 +
1.202 + @Override
1.203 + public Set<String> getPackages(int profile) {
1.204 + Set<String> results = new TreeSet<String>();
1.205 + for (Package p: packages.values())
1.206 + p.getPackages(profile, results);
1.207 + return results;
1.208 + }
1.209 +
1.210 + private void includePackage(int profile, String packageName) {
1.211 +// System.err.println("include package " + packageName);
1.212 + Package p = getPackage(packageName);
1.213 + Assert.check(p.profile == 0);
1.214 + p.profile = profile;
1.215 + }
1.216 +
1.217 + private void includeType(int profile, String typeName) {
1.218 +// System.err.println("include type " + typeName);
1.219 + int sep = typeName.lastIndexOf("/");
1.220 + String packageName = typeName.substring(0, sep);
1.221 + String simpleName = typeName.substring(sep + 1);
1.222 +
1.223 + Package p = getPackage(packageName);
1.224 + Assert.check(!p.includedTypes.containsKey(simpleName));
1.225 + p.includedTypes.put(simpleName, profile);
1.226 + }
1.227 +
1.228 + private void excludeType(int profile, String typeName) {
1.229 +// System.err.println("exclude type " + typeName);
1.230 + int sep = typeName.lastIndexOf("/");
1.231 + String packageName = typeName.substring(0, sep);
1.232 + String simpleName = typeName.substring(sep + 1);
1.233 +
1.234 + Package p = getPackage(packageName);
1.235 + Assert.check(!p.excludedTypes.containsKey(simpleName));
1.236 + p.excludedTypes.put(simpleName, profile);
1.237 + }
1.238 +
1.239 + private Package getPackage(String packageName) {
1.240 + int sep = packageName.lastIndexOf("/");
1.241 + Package parent;
1.242 + Map<String, Package> parentSubpackages;
1.243 + String simpleName;
1.244 + if (sep == -1) {
1.245 + parent = null;
1.246 + parentSubpackages = packages;
1.247 + simpleName = packageName;
1.248 + } else {
1.249 + parent = getPackage(packageName.substring(0, sep));
1.250 + parentSubpackages = parent.subpackages;
1.251 + simpleName = packageName.substring(sep + 1);
1.252 + }
1.253 +
1.254 + Package p = parentSubpackages.get(simpleName);
1.255 + if (p == null) {
1.256 + parentSubpackages.put(simpleName, p = new Package(parent, simpleName));
1.257 + }
1.258 + return p;
1.259 + }
1.260 + }
1.261 +
1.262 + private static class SimpleProfiles extends Profiles {
1.263 + private final Map<String, Integer> map;
1.264 + private final int profileCount;
1.265 +
1.266 + SimpleProfiles(Properties p) {
1.267 + int max = 0;
1.268 + map = new HashMap<String, Integer>();
1.269 + for (Map.Entry<Object,Object> e: p.entrySet()) {
1.270 + String typeName = (String) e.getKey();
1.271 + int profile = Integer.valueOf((String) e.getValue());
1.272 + map.put(typeName, profile);
1.273 + max = Math.max(max, profile);
1.274 + }
1.275 + profileCount = max;
1.276 + }
1.277 +
1.278 + @Override
1.279 + public int getProfileCount() {
1.280 + return profileCount;
1.281 + }
1.282 +
1.283 + @Override
1.284 + public int getProfile(String typeName) {
1.285 + return map.get(typeName);
1.286 + }
1.287 +
1.288 + @Override
1.289 + public Set<String> getPackages(int profile) {
1.290 + Set<String> results = new TreeSet<String>();
1.291 + for (Map.Entry<String,Integer> e: map.entrySet()) {
1.292 + String tn = e.getKey();
1.293 + int prf = e.getValue();
1.294 + int sep = tn.lastIndexOf("/");
1.295 + if (sep > 0 && profile >= prf)
1.296 + results.add(tn);
1.297 + }
1.298 + return results;
1.299 + }
1.300 + }
1.301 +}
