/*

 * Copyright (c) 2003, 2012, 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.javadoc;

import com.sun.tools.javac.code.Flags;

import com.sun.tools.javac.code.Kinds;

import com.sun.tools.javac.code.Symbol.*;

import com.sun.tools.javac.comp.MemberEnter;

import com.sun.tools.javac.tree.JCTree.*;

import com.sun.tools.javac.util.Context;

/**

 *  Javadoc's own memberEnter phase does a few things above and beyond that

 *  done by javac.

 *

 *  <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>

 *

 *  @author Neal Gafter

 */

public class JavadocMemberEnter extends MemberEnter {

    public static JavadocMemberEnter instance0(Context context) {

        MemberEnter instance = context.get(memberEnterKey);

        if (instance == null)

            instance = new JavadocMemberEnter(context);

        return (JavadocMemberEnter)instance;

    }

    public static void preRegister(Context context) {

        context.put(memberEnterKey, new Context.Factory<MemberEnter>() {

               public MemberEnter make(Context c) {

                   return new JavadocMemberEnter(c);

               }

        });

    }

    final DocEnv docenv;

    protected JavadocMemberEnter(Context context) {

        super(context);

        docenv = DocEnv.instance(context);

    }

    @Override

    public void visitMethodDef(JCMethodDecl tree) {

        super.visitMethodDef(tree);

        MethodSymbol meth = tree.sym;

        if (meth == null || meth.kind != Kinds.MTH) return;

        if (meth.isConstructor())

        else if (isAnnotationTypeElement(meth))

        else

        // release resources

        tree.body = null;

    }

    @Override

    public void visitVarDef(JCVariableDecl tree) {

        super.visitVarDef(tree);

        if (tree.sym != null &&

                tree.sym.kind == Kinds.VAR &&

                !isParameter(tree.sym)) {

        }

    }

    private static boolean isAnnotationTypeElement(MethodSymbol meth) {

        return ClassDocImpl.isAnnotationType(meth.enclClass());

    }

    private static boolean isParameter(VarSymbol var) {

        return (var.flags() & Flags.PARAMETER) != 0;

    }

}