NameScopeImpl.java

/* Copyright (C) 2009  Versant Inc.   http://www.db4o.com */
package sharpen.core.internal;

import java.util.*;

import org.eclipse.jdt.core.dom.*;

import sharpen.core.*;
import static sharpen.core.framework.Environments.*;

public class NameScopeImpl implements NameScope {


	public boolean contains(String name) {
		return _mappedMethodDeclarations.contains(name);
	}

	public void enterTypeDeclaration(AbstractTypeDeclaration node) {
		_currentType.push(node);

		_mappedMethodDeclarations.clear();
		for (MethodDeclaration meth : getMethods(node)) {
			if (SharpenAnnotations.hasIgnoreAnnotation(meth))
				continue;
			
			_mappedMethodDeclarations.add(my(Mappings.class).mappedMethodName(meth.resolveBinding()));
		}
	}

	public void leaveTypeDeclaration(AbstractTypeDeclaration node) {
		_currentType.pop();
	}
	
	public AbstractTypeDeclaration currentType() {
		return _currentType.peek();
	}
	
	private static MethodDeclaration[] getMethods(AbstractTypeDeclaration node) {
		if (node instanceof TypeDeclaration) {
			return ((TypeDeclaration)node).getMethods();
		} else if (node instanceof EnumDeclaration) {
			List<MethodDeclaration> methodsList = new ArrayList<MethodDeclaration>();
			for (Object declaration : node.bodyDeclarations()) {
				if (declaration instanceof MethodDeclaration) {
					methodsList.add((MethodDeclaration)declaration);
				}
			}

			return methodsList.toArray(new MethodDeclaration[methodsList.size()]);
		} else {
			throw new UnsupportedOperationException("not implemented");
		}
	}

	private Stack<AbstractTypeDeclaration> _currentType = new Stack();
	private List<String> _mappedMethodDeclarations = new ArrayList<String>();
}