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/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 * 
 * This particular file is subject to the "Classpath" exception as provided in the 
 * LICENSE file that accompanied this code.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License,
 * along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.redhat.ceylon.compiler.java.codegen;

import com.redhat.ceylon.compiler.typechecker.tree.Tree.MethodDeclaration;
import com.redhat.ceylon.compiler.typechecker.tree.Tree;
import com.redhat.ceylon.compiler.typechecker.tree.Visitor;

public class DeferredVisitor extends Visitor {

    @Override
    public void visit(MethodDeclaration that) {
        super.visit(that);
        if (isDeferredOrParamInitialized(that)) {
            that.getDeclarationModel().setDeferred(true);
        }
    }

    private boolean isDeferredOrParamInitialized(Tree.AnyMethod def) {
        return !Decl.isFormal(def)
            && !def.getDeclarationModel().isParameter()
            && def instanceof Tree.MethodDeclaration
            && ((Tree.MethodDeclaration)def).getSpecifierExpression() == null;
    }

}