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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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 org.netbeans.modules.javascript2.source.query;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import org.netbeans.modules.csl.spi.ParserResult;
import org.netbeans.modules.javascript2.debug.spi.SourceElementsQuery;
import org.netbeans.modules.javascript2.types.api.Identifier;
import org.netbeans.modules.javascript2.model.api.JsObject;
import org.netbeans.modules.javascript2.model.api.Model;
import org.netbeans.modules.parsing.api.ParserManager;
import org.netbeans.modules.parsing.api.ResultIterator;
import org.netbeans.modules.parsing.api.Source;
import org.netbeans.modules.parsing.api.UserTask;
import org.netbeans.modules.parsing.spi.ParseException;
import org.netbeans.modules.parsing.spi.Parser;
import org.openide.util.Exceptions;
import org.openide.util.lookup.ServiceProvider;
/**
*
* @author Martin Entlicher
*/
@ServiceProvider(service = SourceElementsQuery.class)
public class SourceElementsQueryImpl implements SourceElementsQuery {
@Override
public Collection<Var> getVarsAt(Source source, int offset) {
final Collection<Var>[] vars = new Collection[] { Collections.emptyList()};
try {
ParserManager.parse(Collections.singleton(source), new UserTask() {
public @Override
void run(ResultIterator resultIterator) throws Exception {
Parser.Result r = resultIterator.getParserResult();
ParserResult pr = (ParserResult) r;
Model model = Model.getModel(pr, false);
if (model == null) { // no model, no translation
return ;
}
Collection<? extends JsObject> variables = model.getVariables(offset);
Collection<Var> varpos = new ArrayList<>(variables.size());
for (JsObject var : variables) {
varpos.add(new Var(var.getName(), var.getOffset()));
}
vars[0] = varpos;
}
});
} catch (ParseException ex) {
Exceptions.printStackTrace(ex);
}
return vars[0];
}
@Override
public int getObjectOffsetAt(Source source, int offset) {
final int[] objOffsetPtr = new int[] { -1 };
try {
ParserManager.parse(Collections.singleton(source), new UserTask() {
public @Override
void run(ResultIterator resultIterator) throws Exception {
Parser.Result r = resultIterator.getParserResult();
ParserResult pr = (ParserResult) r;
Model model = Model.getModel(pr, false);
if (model == null) { // no model, no offset
return ;
}
JsObject declarationObject = model.getDeclarationObject(offset);
Identifier declarationName = declarationObject.getDeclarationName();
int doffset = declarationName.getOffsetRange().getStart();
objOffsetPtr[0] = doffset;
}
});
} catch (ParseException ex) {
Exceptions.printStackTrace(ex);
}
return objOffsetPtr[0];
}
}