/*
* Copyright (c) 2013, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.engine.internal.task;
import com.google.dart.engine.context.AnalysisException;
import com.google.dart.engine.internal.context.InternalAnalysisContext;
import com.google.dart.engine.internal.resolver.LibraryResolver;
import com.google.dart.engine.source.Source;
/**
* Instances of the class {@code ResolveDartLibraryTask} resolve a specific Dart library.
*/
public class ResolveDartLibraryTask extends AnalysisTask {
/**
* The source representing the file whose compilation unit is to be returned.
*/
private Source unitSource;
/**
* The source representing the library to be resolved.
*/
private Source librarySource;
/**
* The library resolver holding information about the libraries that were resolved.
*/
private LibraryResolver resolver;
/**
* Initialize a newly created task to perform analysis within the given context.
*
* @param context the context in which the task is to be performed
* @param unitSource the source representing the file whose compilation unit is to be returned
* @param librarySource the source representing the library to be resolved
*/
public ResolveDartLibraryTask(InternalAnalysisContext context, Source unitSource,
Source librarySource) {
super(context);
this.unitSource = unitSource;
this.librarySource = librarySource;
}
@Override
public <E> E accept(AnalysisTaskVisitor<E> visitor) throws AnalysisException {
return visitor.visitResolveDartLibraryTask(this);
}
/**
* Return the library resolver holding information about the libraries that were resolved.
*
* @return the library resolver holding information about the libraries that were resolved
*/
public LibraryResolver getLibraryResolver() {
return resolver;
}
/**
* Return the source representing the library to be resolved.
*
* @return the source representing the library to be resolved
*/
public Source getLibrarySource() {
return librarySource;
}
/**
* Return the source representing the file whose compilation unit is to be returned.
*
* @return the source representing the file whose compilation unit is to be returned
*/
public Source getUnitSource() {
return unitSource;
}
@Override
protected String getTaskDescription() {
if (librarySource == null) {
return "resolve library null source";
}
return "resolve library " + librarySource.getFullName();
}
@Override
protected void internalPerform() throws AnalysisException {
resolver = new LibraryResolver(getContext());
resolver.resolveLibrary(librarySource, true);
}
}