/*
* Copyright (c) 2012 Sam Harwell, Tunnel Vision Laboratories LLC
* All rights reserved.
*
* The source code of this document is proprietary work, and is not licensed for
* distribution. For information about licensing, contact Sam Harwell at:
* sam@tunnelvisionlabs.com
*/
package org.antlr.works.editor.st4.experimental;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.antlr.netbeans.editor.completion.Anchor;
import org.antlr.netbeans.editor.text.DocumentSnapshot;
import org.antlr.netbeans.parsing.spi.BaseParserData;
import org.antlr.netbeans.parsing.spi.ParseContext;
import org.antlr.netbeans.parsing.spi.ParserData;
import org.antlr.netbeans.parsing.spi.ParserDataDefinition;
import org.antlr.netbeans.parsing.spi.ParserDataOptions;
import org.antlr.netbeans.parsing.spi.ParserResultHandler;
import org.antlr.netbeans.parsing.spi.ParserTask;
import org.antlr.netbeans.parsing.spi.ParserTaskDefinition;
import org.antlr.netbeans.parsing.spi.ParserTaskManager;
import org.antlr.netbeans.parsing.spi.ParserTaskProvider;
import org.antlr.netbeans.parsing.spi.ParserTaskScheduler;
import org.antlr.netbeans.parsing.spi.SingletonParserTaskProvider;
import org.antlr.works.editor.st4.StringTemplateEditorKit;
import org.antlr.works.editor.st4.TemplateParserDataDefinitions;
import org.netbeans.api.editor.mimelookup.MimeRegistration;
/**
*
* @author Sam Harwell
*/
public final class DynamicAnchorsParserTask implements ParserTask {
private DynamicAnchorsParserTask() {
}
@Override
public ParserTaskDefinition getDefinition() {
return Definition.INSTANCE;
}
@Override
public void parse(ParserTaskManager taskManager, ParseContext context, DocumentSnapshot snapshot, Collection<? extends ParserDataDefinition<?>> requestedData, ParserResultHandler results)
throws InterruptedException, ExecutionException {
Future<ParserData<List<Anchor>>> futureReferenceData = taskManager.getData(snapshot, TemplateParserDataDefinitions.REFERENCE_ANCHOR_POINTS, EnumSet.of(ParserDataOptions.ALLOW_STALE, ParserDataOptions.SYNCHRONOUS));
BaseParserData<List<Anchor>> result = new BaseParserData<>(context, TemplateParserDataDefinitions.DYNAMIC_ANCHOR_POINTS, snapshot, futureReferenceData.get().getData());
results.addResult(result);
}
private static final class Definition extends ParserTaskDefinition {
private static final Collection<ParserDataDefinition<?>> INPUTS =
Collections.<ParserDataDefinition<?>>singletonList(TemplateParserDataDefinitions.REFERENCE_ANCHOR_POINTS);
private static final Collection<ParserDataDefinition<?>> OUTPUTS =
Collections.<ParserDataDefinition<?>>singletonList(TemplateParserDataDefinitions.DYNAMIC_ANCHOR_POINTS);
public static final Definition INSTANCE = new Definition();
public Definition() {
super("StringTemplate Dynamic Anchors", INPUTS, OUTPUTS, ParserTaskScheduler.CONTENT_SENSITIVE_TASK_SCHEDULER);
}
}
@MimeRegistration(mimeType=StringTemplateEditorKit.TEMPLATE_MIME_TYPE, service=ParserTaskProvider.class)
public static final class Provider extends SingletonParserTaskProvider {
@Override
public ParserTaskDefinition getDefinition() {
return Definition.INSTANCE;
}
@Override
public ParserTask createTaskImpl() {
return new DynamicAnchorsParserTask();
}
}
}