| /******************************************************************************* |
| * Copyright (c) 2012 NumberFour AG |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.typeinfo; |
| |
| import org.eclipse.dltk.compiler.problem.IValidationStatus; |
| import org.eclipse.dltk.compiler.problem.ValidationStatus; |
| import org.eclipse.dltk.javascript.typeinference.IValueReference; |
| |
| /** |
| * Optional interface which can be implemented by {@link IRType} instance to |
| * allow checking assignments from the "raw" type inferencer data. |
| */ |
| public interface IRTypeExtension { |
| |
| /** |
| * Determines if this type could be assigned from the specified value. |
| * |
| * <p> |
| * All the types implementing {@link IValidationStatus} marker interface |
| * could be used as return value. {@link TypeCompatibility} constants is an |
| * easy, another way is {@link ValidationStatus} which allows to specify |
| * problem message and id. <code>null</code> is treated as successful |
| * result. |
| * </p> |
| * |
| * @see TypeCompatibility |
| * @see ValidationStatus |
| */ |
| IValidationStatus isAssignableFrom(IValueReference argument); |
| |
| } |
