jdk8-mips64-public/langtools: comparison src/share/classes/com/sun/tools/sjavac/comp/Dependencies.java

-:475eb15dfdad
+:f91144b7da75
+/*
+* Copyright (c) 1999, 2011, 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.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></p>
+*/
+public class Dependencies {
+protected static final Context.Key<Dependencies> dependenciesKey =
+new Context.Key<Dependencies>();
+// 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);
+}
+public void reset()
+{
+deps = new HashMap<Name, Set<Name>>();
+explicitPackages = new HashSet<Name>();
+publicApiPerClass = new HashMap<Name,StringBuffer>();
+}
+/**
+* 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<String,Set<String>>();
+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<String>();
+// Modules beware....
+new_deps.put(":"+pkg.toString(), new_set);
+}
+for (Name d : set) {
+new_set.add(":"+d.toString());
+}
+}
+}
+return new_deps;
+}
+class CompareNames implements Comparator<Name> {
+public int compare(Name a, Name b) {
+return a.toString().compareTo(b.toString());
+}
+public boolean equals(Object obj) {
+return super.equals(obj);
+}
+}
+/**
+* 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<String,String>();
+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(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<Name>();
+deps.put(currPkg, theset);
+}
+theset.add(depPkg);
+}
+}
+}

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

comparison: src/share/classes/com/sun/tools/sjavac/comp/Dependencies.java

src/share/classes/com/sun/tools/sjavac/comp/Dependencies.java