1 /*
   2  * Copyright (c) 2012, 2013, 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.sjavac.comp;
  26 
  27 import com.sun.tools.javac.comp.Resolve;
  28 import com.sun.tools.javac.util.Context;
  29 import com.sun.tools.javac.code.Symbol;
  30 
  31 /** Subclass to Resolve that overrides collect.
  32  *
  33  * <p><b>This is NOT part of any supported API.
  34  * If you write code that depends on this, you do so at your own
  35  * risk.  This code and its internal interfaces are subject to change
  36  * or deletion without notice.</b></p>
  37  */
  38 public class ResolveWithDeps extends Resolve {
  39 
  40     /** The dependency database
  41      */
  42     protected Dependencies deps;
  43 
  44     protected ResolveWithDeps(Context context) {
  45         super(context);
  46         deps = Dependencies.instance(context);
  47     }
  48 
  49     public static void preRegister(Context context) {
  50         context.put(resolveKey, new Context.Factory<Resolve>() {
  51             public Resolve make(Context c) {
  52                 Resolve instance = new ResolveWithDeps(c);
  53                 c.put(Resolve.class, instance);
  54                 return instance;
  55             }
  56         });
  57     }
  58     /** Collect dependencies in the enclosing class
  59      * @param from The enclosing class sym
  60      * @param to   The enclosing classes references this sym.
  61      * */
  62     @Override
  63     public void reportDependence(Symbol from, Symbol to) {
  64         // Capture dependencies between the packages.
  65         deps.collect(from.packge().fullname, to.packge().fullname);
  66     }
  67 }