langtools/src/jdk.compiler/share/classes/com/sun/tools/sjavac/comp/Dependencies.java
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/sjavac/comp/Dependencies.java Fri Jun 12 19:23:53 2015 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,181 +0,0 @@
-/*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.sjavac.comp;
-
-import javax.lang.model.element.Element;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import com.sun.tools.javac.code.Symbol.ClassSymbol;
-import com.sun.tools.javac.util.Assert;
-import com.sun.tools.javac.util.Context;
-import com.sun.tools.javac.util.Log;
-import com.sun.tools.javac.util.Name;
-
-/** Utility class containing dependency information between packages
- * and the pubapi for a package.
- *
- * <p><b>This is NOT part of any supported API.
- * If you write code that depends on this, you do so at your own risk.
- * This code and its internal interfaces are subject to change or
- * deletion without notice.</b>
- */
-public class Dependencies {
- protected static final Context.Key<Dependencies> dependenciesKey = new Context.Key<>();
-
- // The log to be used for error reporting.
- protected Log log;
- // Map from package name to packages that the package depends upon.
- protected Map<Name,Set<Name>> deps;
- // This is the set of all packages that are supplied
- // through the java files at the command line.
- protected Set<Name> explicitPackages;
-
- // Map from a package name to its public api.
- // Will the Name encode the module in the future?
- // If not, this will have to change to map from Module+Name to public api.
- protected Map<Name,StringBuffer> publicApiPerClass;
-
- public static Dependencies instance(Context context) {
- Dependencies instance = context.get(dependenciesKey);
- if (instance == null)
- instance = new Dependencies(context);
- return instance;
- }
-
- private Dependencies(Context context) {
- context.put(dependenciesKey, this);
- log = Log.instance(context);
- deps = new HashMap<>();
- explicitPackages = new HashSet<>();
- publicApiPerClass = new HashMap<>();
- }
-
- /**
- * Fetch the set of dependencies that are relevant to the compile
- * that has just been performed. I.e. we are only interested in
- * dependencies for classes that were explicitly compiled.
- * @return
- */
- public Map<String,Set<String>> getDependencies() {
- Map<String,Set<String>> new_deps = new HashMap<>();
- if (explicitPackages == null) return new_deps;
- for (Name pkg : explicitPackages) {
- Set<Name> set = deps.get(pkg);
- if (set != null) {
- Set<String> new_set = new_deps.get(pkg.toString());
- if (new_set == null) {
- new_set = new HashSet<>();
- // Modules beware....
- new_deps.put(":"+pkg.toString(), new_set);
- }
- for (Name d : set) {
- new_set.add(":"+d.toString());
- }
- }
- }
- return new_deps;
- }
-
- static class CompareNames implements Comparator<Name> {
- public int compare(Name a, Name b) {
- return a.toString().compareTo(b.toString());
- }
-
- }
-
- /**
- * Convert the map from class names to their pubapi to a map
- * from package names to their pubapi (which is the sorted concatenation
- * of all the class pubapis)
- */
- public Map<String,String> getPubapis() {
- Map<String,String> publicApiPerPackage = new HashMap<>();
- if (publicApiPerClass == null) return publicApiPerPackage;
- Name[] keys = publicApiPerClass.keySet().toArray(new Name[0]);
- Arrays.sort(keys, new CompareNames());
- StringBuffer newPublicApi = new StringBuffer();
- int i=0;
- String prevPkg = "";
- for (Name k : keys) {
- String cn = k.toString();
- String pn = "";
- int dp = cn.lastIndexOf('.');
- if (dp != -1) {
- pn = cn.substring(0,dp);
- }
- if (!pn.equals(prevPkg)) {
- if (!prevPkg.equals("")) {
- // Add default module name ":"
- publicApiPerPackage.put(":"+prevPkg, newPublicApi.toString());
- }
- newPublicApi = new StringBuffer();
- prevPkg = pn;
- }
- newPublicApi.append(publicApiPerClass.get(k));
- i++;
- }
- if (!prevPkg.equals(""))
- publicApiPerPackage.put(":"+prevPkg, newPublicApi.toString());
- return publicApiPerPackage;
- }
-
- /**
- * Visit the api of a class and construct a pubapi string and
- * store it into the pubapi_perclass map.
- */
- public void visitPubapi(Element e) {
- Name n = ((ClassSymbol)e).fullname;
- Name p = ((ClassSymbol)e).packge().fullname;
- StringBuffer sb = publicApiPerClass.get(n);
- Assert.check(sb == null);
- sb = new StringBuffer();
- PubapiVisitor v = new PubapiVisitor(sb);
- v.visit(e);
- if (sb.length()>0) {
- publicApiPerClass.put(n, sb);
- }
- explicitPackages.add(p);
- }
-
- /**
- * Collect a dependency. curr_pkg is marked as depending on dep_pkg.
- */
- public void collect(Name currPkg, Name depPkg) {
- if (!currPkg.equals(depPkg)) {
- Set<Name> theset = deps.get(currPkg);
- if (theset==null) {
- theset = new HashSet<>();
- deps.put(currPkg, theset);
- }
- theset.add(depPkg);
- }
- }
-}