jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/sym/Profiles.java@959103a6100f

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2006, 2014, 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 package com.sun.tools.javac.sym;

    27 import java.io.BufferedInputStream;

    28 import java.io.BufferedWriter;

    29 import java.io.File;

    30 import java.io.FileInputStream;

    31 import java.io.FileWriter;

    32 import java.io.IOException;

    33 import java.nio.charset.Charset;

    34 import java.nio.file.Files;

    35 import java.util.HashMap;

    36 import java.util.Map;

    37 import java.util.Properties;

    38 import java.util.Set;

    39 import java.util.TreeMap;

    40 import java.util.TreeSet;

    42 import com.sun.tools.javac.util.Assert;

    44 /**

    45  * Provide details about profile contents.

    46  *

    47  * <p><b>This is NOT part of any supported API.

    48  * If you write code that depends on this, you do so at your own

    49  * risk.  This code and its internal interfaces are subject to change

    50  * or deletion without notice.</b></p>

    51  */

    52 public abstract class Profiles {

    53     // for debugging

    54     public static void main(String[] args) throws IOException {

    55         Profiles p = Profiles.read(new File(args[0]));

    56         if (args.length >= 2) {

    57             Map<Integer,Set<String>> lists = new TreeMap<Integer,Set<String>>();

    58             for (int i = 1; i <= 4; i++)

    59                 lists.put(i, new TreeSet<String>());

    61             File rt_jar_lst = new File(args[1]);

    62             for (String line: Files.readAllLines(rt_jar_lst.toPath(), Charset.defaultCharset())) {

    63                 if (line.endsWith(".class")) {

    64                     String type = line.substring(0, line.length() - 6);

    65                     int profile = p.getProfile(type);

    66                     for (int i = profile; i <= 4; i++)

    67                         lists.get(i).add(type);

    68                 }

    69             }

    71             for (int i = 1; i <= 4; i++) {

    72                 BufferedWriter out = new BufferedWriter(new FileWriter(i + ".txt"));

    73                 try {

    74                     for (String type: lists.get(i)) {

    75                         out.write(type);

    76                         out.newLine();

    77                     }

    78                 } finally {

    79                     out.close();

    80                 }

    81             }

    82         }

    83     }

    85     public static Profiles read(File file) throws IOException {

    86         BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));

    87         try {

    88             Properties p = new Properties();

    89             p.load(in);

    90             if (p.containsKey("java/lang/Object"))

    91                 return new SimpleProfiles(p);

    92             else

    93                 return new MakefileProfiles(p);

    94         } finally {

    95             in.close();

    96         }

    97     }

    99     public abstract int getProfileCount();

   101     public abstract int getProfile(String typeName);

   103     public abstract Set<String> getPackages(int profile);

   105     private static class MakefileProfiles extends Profiles {

   106         static class Package {

   107             final Package parent;

   108             final String name;

   110             Map<String, Package> subpackages = new TreeMap<String, Package>();

   112             int profile;

   113             Map<String, Integer> includedTypes = new TreeMap<String,Integer>();

   114             Map<String, Integer> excludedTypes = new TreeMap<String,Integer>();

   116             Package(Package parent, String name) {

   117                 this.parent = parent;

   118                 this.name = name;

   119             }

   121             int getProfile() {

   122                 return (parent == null) ? profile : Math.max(parent.getProfile(), profile);

   123             }

   125             int getProfile(String simpleTypeName) {

   126                 Integer i;

   127                 if ((i = includedTypes.get(simpleTypeName)) != null)

   128                     return i;

   129                 if ((i = includedTypes.get("*")) != null)

   130                     return i;

   131                 if ((i = excludedTypes.get(simpleTypeName)) != null)

   132                     return i + 1;

   133                 if ((i = excludedTypes.get("*")) != null)

   134                     return i + 1;

   135                 return getProfile();

   136             }

   138             String getName() {

   139                 return (parent == null) ? name : (parent.getName() + "/" + name);

   140             }

   142             void getPackages(int profile, Set<String> results) {

   143                 int prf = getProfile();

   144                 if (prf != 0 && profile >= prf)

   145                     results.add(getName());

   146                 for (Package pkg: subpackages.values())

   147                     pkg.getPackages(profile, results);

   148             }

   149         }

   151         final Map<String, Package> packages = new TreeMap<String, Package>();

   153         final int maxProfile = 4;  // Three compact profiles plus full JRE

   155         MakefileProfiles(Properties p) {

   156             // consider crypto, only if java/lang package exists

   157             boolean foundJavaLang = false;

   158             for (int profile = 1; profile <= maxProfile; profile++) {

   159                 String prefix = (profile < maxProfile ? "PROFILE_" + profile : "FULL_JRE");

   160                 String inclPackages = p.getProperty(prefix + "_RTJAR_INCLUDE_PACKAGES");

   161                 if (inclPackages == null)

   162                     break;

   163                 for (String pkg: inclPackages.substring(1).trim().split("\\s+")) {

   164                     if (pkg.endsWith("/"))

   165                         pkg = pkg.substring(0, pkg.length() - 1);

   166                     if (foundJavaLang == false && pkg.equals("java/lang"))

   167                         foundJavaLang = true;

   168                     includePackage(profile, pkg);

   169                 }

   170                 String inclTypes =  p.getProperty(prefix + "_RTJAR_INCLUDE_TYPES");

   171                 if (inclTypes != null) {

   172                     for (String type: inclTypes.replace("$$", "$").split("\\s+")) {

   173                         if (type.endsWith(".class"))

   174                             includeType(profile, type.substring(0, type.length() - 6));

   175                     }

   176                 }

   177                 String exclTypes =  p.getProperty(prefix + "_RTJAR_EXCLUDE_TYPES");

   178                 if (exclTypes != null) {

   179                     for (String type: exclTypes.replace("$$", "$").split("\\s+")) {

   180                         if (type.endsWith(".class"))

   181                             excludeType(profile, type.substring(0, type.length() - 6));

   182                     }

   183                 }

   184             }

   185             /*

   186              * A hack to force javax/crypto package into the compact1 profile,

   187              * because this package exists in jce.jar, and therefore not in

   188              * ct.sym. Note javax/crypto should exist in a profile along with

   189              * javax/net/ssl package. Thus, this package is added to compact1,

   190              * implying that it should exist in all three profiles.

   191              */

   192             if (foundJavaLang)

   193                 includePackage(1, "javax/crypto");

   194         }

   196         @Override

   197         public int getProfileCount() {

   198             return maxProfile;

   199         }

   201         @Override

   202         public int getProfile(String typeName) {

   203             int sep = typeName.lastIndexOf("/");

   204             String packageName = typeName.substring(0, sep);

   205             String simpleName = typeName.substring(sep + 1);

   207             Package p = getPackage(packageName);

   208             return p.getProfile(simpleName);

   209         }

   211         @Override

   212         public Set<String> getPackages(int profile) {

   213             Set<String> results = new TreeSet<String>();

   214             for (Package p: packages.values())

   215                 p.getPackages(profile, results);

   216             return results;

   217         }

   219         private void includePackage(int profile, String packageName) {

   220 //            System.err.println("include package " + packageName);

   221             Package p = getPackage(packageName);

   222             Assert.check(p.profile == 0);

   223             p.profile = profile;

   224         }

   226         private void includeType(int profile, String typeName) {

   227 //            System.err.println("include type " + typeName);

   228             int sep = typeName.lastIndexOf("/");

   229             String packageName = typeName.substring(0, sep);

   230             String simpleName = typeName.substring(sep + 1);

   232             Package p = getPackage(packageName);

   233             Assert.check(!p.includedTypes.containsKey(simpleName));

   234             p.includedTypes.put(simpleName, profile);

   235         }

   237         private void excludeType(int profile, String typeName) {

   238 //            System.err.println("exclude type " + typeName);

   239             int sep = typeName.lastIndexOf("/");

   240             String packageName = typeName.substring(0, sep);

   241             String simpleName = typeName.substring(sep + 1);

   243             Package p = getPackage(packageName);

   244             Assert.check(!p.excludedTypes.containsKey(simpleName));

   245             p.excludedTypes.put(simpleName, profile);

   246         }

   248         private Package getPackage(String packageName) {

   249             int sep = packageName.lastIndexOf("/");

   250             Package parent;

   251             Map<String, Package> parentSubpackages;

   252             String simpleName;

   253             if (sep == -1) {

   254                 parent = null;

   255                 parentSubpackages = packages;

   256                 simpleName = packageName;

   257             } else {

   258                 parent = getPackage(packageName.substring(0, sep));

   259                 parentSubpackages = parent.subpackages;

   260                 simpleName = packageName.substring(sep + 1);

   261             }

   263             Package p = parentSubpackages.get(simpleName);

   264             if (p == null) {

   265                 parentSubpackages.put(simpleName, p = new Package(parent, simpleName));

   266             }

   267             return p;

   268         }

   269     }

   271     private static class SimpleProfiles extends Profiles {

   272         private final Map<String, Integer> map;

   273         private final int profileCount;

   275         SimpleProfiles(Properties p) {

   276             int max = 0;

   277             map = new HashMap<String, Integer>();

   278             for (Map.Entry<Object,Object> e: p.entrySet()) {

   279                 String typeName = (String) e.getKey();

   280                 int profile = Integer.valueOf((String) e.getValue());

   281                 map.put(typeName, profile);

   282                 max = Math.max(max, profile);

   283             }

   284             profileCount = max;

   285         }

   287         @Override

   288         public int getProfileCount() {

   289             return profileCount;

   290         }

   292         @Override

   293         public int getProfile(String typeName) {

   294             return map.get(typeName);

   295         }

   297         @Override

   298         public Set<String> getPackages(int profile) {

   299             Set<String> results = new TreeSet<String>();

   300             for (Map.Entry<String,Integer> e: map.entrySet()) {

   301                 String tn = e.getKey();

   302                 int prf = e.getValue();

   303                 int sep = tn.lastIndexOf("/");

   304                 if (sep > 0 && profile >= prf)

   305                     results.add(tn);

   306             }

   307             return results;

   308         }

   309     }

   310 }

Mercurial > jdk8-mips64-public > langtools / file revision

src/share/classes/com/sun/tools/javac/sym/Profiles.java@959103a6100f

src/share/classes/com/sun/tools/javac/sym/Profiles.java