001/*
002 * BridJ - Dynamic and blazing-fast native interop for Java.
003 * http://bridj.googlecode.com/
004 *
005 * Copyright (c) 2010-2013, Olivier Chafik (http://ochafik.com/)
006 * All rights reserved.
007 *
008 * Redistribution and use in source and binary forms, with or without
009 * modification, are permitted provided that the following conditions are met:
010 * 
011 *     * Redistributions of source code must retain the above copyright
012 *       notice, this list of conditions and the following disclaimer.
013 *     * Redistributions in binary form must reproduce the above copyright
014 *       notice, this list of conditions and the following disclaimer in the
015 *       documentation and/or other materials provided with the distribution.
016 *     * Neither the name of Olivier Chafik nor the
017 *       names of its contributors may be used to endorse or promote products
018 *       derived from this software without specific prior written permission.
019 * 
020 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY
021 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
022 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
023 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
024 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
025 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
026 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
027 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
029 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030 */
031package org.bridj;
032
033import java.util.*;
034import java.io.*;
035import static org.bridj.demangling.Demangler.*;
036
037/**
038 * Unfinished experiment to (partially) reconstruct a header out of parsed
039 * shared libraries symbols.<br>
040 * Beware: GCC does not add return types to mangled C++ signatures, so this will
041 * be left as '?' in the resulting sources.
042 *
043 * @author ochafik
044 */
045public class HeadersReconstructor {
046
047    public static void reconstructHeaders(Iterable<NativeLibrary> libraries, PrintWriter out) {
048        List<MemberRef> orphanMembers = new ArrayList<MemberRef>();
049        Map<TypeRef, List<MemberRef>> membersByClass = new HashMap<TypeRef, List<MemberRef>>();
050        for (NativeLibrary library : libraries) {
051            for (Symbol symbol : library.getSymbols()) {
052                MemberRef mr = symbol.getParsedRef();
053                if (mr == null) {
054                    continue;
055                }
056
057                TypeRef et = mr.getEnclosingType();
058                if (et == null) {
059                    orphanMembers.add(mr);
060                } else {
061                    List<MemberRef> mrs = membersByClass.get(et);
062                    if (mrs == null) {
063                        membersByClass.put(et, mrs = new ArrayList<MemberRef>());
064                    }
065                    mrs.add(mr);
066                }
067            }
068        }
069        for (TypeRef tr : membersByClass.keySet()) {
070            out.println("class " + tr + ";");
071        }
072
073        for (MemberRef mr : orphanMembers) {
074            out.println(mr + ";");
075        }
076
077        for (Map.Entry<TypeRef, List<MemberRef>> e : membersByClass.entrySet()) {
078            TypeRef tr = e.getKey();
079            List<MemberRef> mrs = e.getValue();
080            out.println("class " + tr + " \n{");
081            for (MemberRef mr : mrs) {
082                out.println("\t" + mr + ";");
083            }
084            out.println("}");
085        }
086
087    }
088}