feat(jdk8): move files to new folder to avoid resources compiled.
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185
jdkSrc/jdk8/com/sun/tools/sjavac/comp/Dependencies.java
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185
jdkSrc/jdk8/com/sun/tools/sjavac/comp/Dependencies.java
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/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.sjavac.comp;
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import javax.lang.model.element.Element;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import com.sun.tools.javac.code.Symbol.ClassSymbol;
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import com.sun.tools.javac.util.Context;
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import com.sun.tools.javac.util.Log;
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import com.sun.tools.javac.util.Name;
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/** Utility class containing dependency information between packages
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* and the pubapi for a package.
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*
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* <p><b>This is NOT part of any supported API.
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* If you write code that depends on this, you do so at your own
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* risk. This code and its internal interfaces are subject to change
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* or deletion without notice.</b></p>
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*/
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public class Dependencies {
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protected static final Context.Key<Dependencies> dependenciesKey =
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new Context.Key<Dependencies>();
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// The log to be used for error reporting.
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protected Log log;
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// Map from package name to packages that the package depends upon.
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protected Map<Name,Set<Name>> deps;
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// This is the set of all packages that are supplied
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// through the java files at the command line.
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protected Set<Name> explicitPackages;
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// Map from a package name to its public api.
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// Will the Name encode the module in the future?
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// If not, this will have to change to map from Module+Name to public api.
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protected Map<Name,StringBuffer> publicApiPerClass;
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public static Dependencies instance(Context context) {
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Dependencies instance = context.get(dependenciesKey);
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if (instance == null)
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instance = new Dependencies(context);
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return instance;
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}
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private Dependencies(Context context) {
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context.put(dependenciesKey, this);
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log = Log.instance(context);
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}
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public void reset()
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{
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deps = new HashMap<Name, Set<Name>>();
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explicitPackages = new HashSet<Name>();
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publicApiPerClass = new HashMap<Name,StringBuffer>();
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}
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/**
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* Fetch the set of dependencies that are relevant to the compile
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* that has just been performed. I.e. we are only interested in
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* dependencies for classes that were explicitly compiled.
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* @return
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*/
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public Map<String,Set<String>> getDependencies() {
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Map<String,Set<String>> new_deps = new HashMap<String,Set<String>>();
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if (explicitPackages == null) return new_deps;
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for (Name pkg : explicitPackages) {
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Set<Name> set = deps.get(pkg);
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if (set != null) {
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Set<String> new_set = new_deps.get(pkg.toString());
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if (new_set == null) {
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new_set = new HashSet<String>();
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// Modules beware....
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new_deps.put(":"+pkg.toString(), new_set);
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}
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for (Name d : set) {
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new_set.add(":"+d.toString());
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}
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}
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}
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return new_deps;
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}
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static class CompareNames implements Comparator<Name> {
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public int compare(Name a, Name b) {
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return a.toString().compareTo(b.toString());
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}
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}
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/**
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* Convert the map from class names to their pubapi to a map
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* from package names to their pubapi (which is the sorted concatenation
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* of all the class pubapis)
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*/
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public Map<String,String> getPubapis() {
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Map<String,String> publicApiPerPackage = new HashMap<String,String>();
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if (publicApiPerClass == null) return publicApiPerPackage;
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Name[] keys = publicApiPerClass.keySet().toArray(new Name[0]);
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Arrays.sort(keys, new CompareNames());
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StringBuffer newPublicApi = new StringBuffer();
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int i=0;
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String prevPkg = "";
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for (Name k : keys) {
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String cn = k.toString();
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String pn = "";
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int dp = cn.lastIndexOf('.');
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if (dp != -1) {
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pn = cn.substring(0,dp);
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}
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if (!pn.equals(prevPkg)) {
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if (!prevPkg.equals("")) {
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// Add default module name ":"
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publicApiPerPackage.put(":"+prevPkg, newPublicApi.toString());
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}
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newPublicApi = new StringBuffer();
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prevPkg = pn;
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}
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newPublicApi.append(publicApiPerClass.get(k));
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i++;
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}
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if (!prevPkg.equals(""))
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publicApiPerPackage.put(":"+prevPkg, newPublicApi.toString());
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return publicApiPerPackage;
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}
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/**
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* Visit the api of a class and construct a pubapi string and
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* store it into the pubapi_perclass map.
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*/
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public void visitPubapi(Element e) {
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Name n = ((ClassSymbol)e).fullname;
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Name p = ((ClassSymbol)e).packge().fullname;
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StringBuffer sb = publicApiPerClass.get(n);
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assert(sb == null);
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sb = new StringBuffer();
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PubapiVisitor v = new PubapiVisitor(sb);
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v.visit(e);
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if (sb.length()>0) {
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publicApiPerClass.put(n, sb);
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}
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explicitPackages.add(p);
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}
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/**
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* Collect a dependency. curr_pkg is marked as depending on dep_pkg.
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*/
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public void collect(Name currPkg, Name depPkg) {
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if (!currPkg.equals(depPkg)) {
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Set<Name> theset = deps.get(currPkg);
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if (theset==null) {
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theset = new HashSet<Name>();
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deps.put(currPkg, theset);
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}
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theset.add(depPkg);
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}
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}
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}
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