Scope.java

/*******************************************************************************
 * Copyright (c) 2012 NumberFour AG
 *
 * 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:
 *     NumberFour AG - initial API and Implementation (Alex Panchenko)
 *******************************************************************************/
package org.eclipse.dltk.javascript.structure;

import java.util.ArrayList;
import java.util.List;

public abstract class Scope extends ParentNode implements IScope {

	public Scope(IParentNode parent) {
		super(parent);
	}

	@Override
	public IScope getScope() {
		return this;
	}

	@Override
	protected boolean isStructureKnown() {
		return false;
	}

	private final List<IStructureNode> children = new ArrayList<IStructureNode>();

	public void addChild(IStructureNode child) {
		assert child != null;
		children.add(child);
	}

	@Override
	public List<? extends IStructureNode> getChildren() {
		return children;
	}

	@Override
	public boolean isManyChildren() {
		return true;
	}

	public IDeclaration resolve(String name) {
		for (IStructureNode child : children) {
			if (child instanceof IDeclaration) {
				final IDeclaration declaration = (IDeclaration) child;
				if (name.equals(declaration.getName())) {
					return declaration;
				}
			}
		}
		return parent != null ? parent.getScope().resolve(name) : null;
	}

	public void reportStructure(IStructureRequestor requestor,
			IStructureContext context) {
		reportChildrenStructure(requestor, context);
	}

}