/*******************************************************************************
 * Copyright (c) 2012, 2016 Wind River Systems, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Markus Schorn - initial API and implementation
 *******************************************************************************/ 
package org.eclipse.cdt.internal.core.pdom.dom.cpp;

import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassTemplate;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument;
import org.eclipse.cdt.core.index.IIndexFile;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTName;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPDeferredClassInstance;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPUnknownTypeScope;
import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
import org.eclipse.cdt.internal.core.index.IIndexFragment;
import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
import org.eclipse.cdt.internal.core.index.IIndexScope;
import org.eclipse.core.runtime.CoreException;

public class PDOMCPPDeferredClassInstance extends CPPDeferredClassInstance implements IIndexFragmentBinding {
	private final IIndexFragment fFragment;

	public PDOMCPPDeferredClassInstance(IIndexFragment frag, ICPPClassTemplate template, ICPPTemplateArgument[] args) {
		super(template, args);
		fFragment= frag;
	}

	@Override
	public boolean isFileLocal() throws CoreException {
		return false;
	}

	@Override
	public IIndexFile getLocalToFile() throws CoreException {
		return null;
	}

	@Override
	public IIndexFragment getFragment() {
		return fFragment;
	}

	@Override
	public boolean hasDefinition() throws CoreException {
		return false;
	}

	@Override
	public boolean hasDeclaration() throws CoreException {
		return true;
	}

	@Override
	public int getBindingConstant() {
		return IIndexCPPBindingConstants.CPP_DEFERRED_CLASS_INSTANCE;
	}

	@Override
	public long getBindingID() {
		return 0;
	}
	
	@Override
	public IIndexFragmentBinding getOwner() {
		return (IIndexFragmentBinding) super.getOwner();
	}
	
	@Override
	public IIndexScope getScope() {
		try {
			return (IIndexScope) super.getScope();
		} catch (DOMException e) {
			return null;
		}
	}
	
	@Override
	protected CPPUnknownTypeScope createScope() {
		return new PDOMCPPUnknownScope(this, new CPPASTName(getNameCharArray()));
	}
}