/*
* Copyright (c) 2012, 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.builder;
import com.google.dart.engine.ast.CompilationUnit;
import com.google.dart.engine.context.AnalysisException;
import com.google.dart.engine.internal.context.PerformanceStatistics;
import com.google.dart.engine.internal.element.CompilationUnitElementImpl;
import com.google.dart.engine.source.Source;
import com.google.dart.engine.utilities.general.TimeCounter.TimeCounterHandle;
/**
* Instances of the class {@code CompilationUnitBuilder} build an element model for a single
* compilation unit.
*
* @coverage dart.engine.resolver
*/
public class CompilationUnitBuilder {
/**
* Initialize a newly created compilation unit element builder.
*/
public CompilationUnitBuilder() {
super();
}
/**
* Build the compilation unit element for the given source.
*
* @param source the source describing the compilation unit
* @param unit the AST structure representing the compilation unit
* @return the compilation unit element that was built
* @throws AnalysisException if the analysis could not be performed
*/
public CompilationUnitElementImpl buildCompilationUnit(Source source, CompilationUnit unit)
throws AnalysisException {
TimeCounterHandle timeCounter = PerformanceStatistics.resolve.start();
try {
if (unit == null) {
return null;
}
ElementHolder holder = new ElementHolder();
ElementBuilder builder = new ElementBuilder(holder);
unit.accept(builder);
CompilationUnitElementImpl element = new CompilationUnitElementImpl(source.getShortName());
element.setAccessors(holder.getAccessors());
element.setEnums(holder.getEnums());
element.setFunctions(holder.getFunctions());
element.setSource(source);
element.setTypeAliases(holder.getTypeAliases());
element.setTypes(holder.getTypes());
element.setTopLevelVariables(holder.getTopLevelVariables());
unit.setElement(element);
return element;
} finally {
timeCounter.stop();
}
}
}