/*******************************************************************************
 * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v0.5 
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package net.sourceforge.phpdt.internal.codeassist.select;

/*
 * Selection node build by the parser in any case it was intending to
 * reduce a single name reference containing the assist identifier.
 * e.g.
 *
 *	class X {
 *    void foo() {
 *      [start]ba[end]
 *    }
 *  }
 *
 *	---> class X {
 *         void foo() {
 *           <SelectOnName:ba>
 *         }
 *       }
 *
 */

import net.sourceforge.phpdt.internal.compiler.ast.SingleNameReference;
import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
import net.sourceforge.phpdt.internal.compiler.lookup.ProblemFieldBinding;
import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReasons;
import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReferenceBinding;
import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
 
public class SelectionOnSingleNameReference extends SingleNameReference {
public SelectionOnSingleNameReference(char[] source, long pos) {
	super(source, pos);
}
public TypeBinding resolveType(BlockScope scope) {
	// it can be a package, type, member type, local variable or field
	binding = scope.getBinding(token, VARIABLE | TYPE | PACKAGE, this);
	if (!binding.isValidBinding()) {
		if (binding instanceof ProblemFieldBinding) {
			// tolerate some error cases
			if (binding.problemId() == ProblemReasons.NotVisible
					|| binding.problemId() == ProblemReasons.InheritedNameHidesEnclosingName
					|| binding.problemId() == ProblemReasons.NonStaticReferenceInConstructorInvocation
					|| binding.problemId() == ProblemReasons.NonStaticReferenceInStaticContext){
				throw new SelectionNodeFound(binding);
			}
			scope.problemReporter().invalidField(this, (FieldBinding) binding);
		} else if (binding instanceof ProblemReferenceBinding) {
			// tolerate some error cases
			if (binding.problemId() == ProblemReasons.NotVisible){
				throw new SelectionNodeFound(binding);
			}			
			scope.problemReporter().invalidType(this, (TypeBinding) binding);
		} else {
			scope.problemReporter().unresolvableReference(this, binding);
		}
		throw new SelectionNodeFound();
	}

	throw new SelectionNodeFound(binding);
}
public String toStringExpression() {
	return "<SelectOnName:" + super.toStringExpression() + ">"; //$NON-NLS-2$ //$NON-NLS-1$
}
}