org.eclipse.xtext.builder.trace.DebugTraceBasedRegion.java Source code

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Here is the source code for org.eclipse.xtext.builder.trace.DebugTraceBasedRegion.java

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/*******************************************************************************
 * Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/
package org.eclipse.xtext.builder.trace;

import java.util.List;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.generator.trace.AbstractTraceRegion;
import org.eclipse.xtext.generator.trace.ILocationData;
import org.eclipse.xtext.generator.trace.LocationData;
import org.eclipse.xtext.generator.trace.SourceRelativeURI;

import com.google.common.collect.Lists;

/**
 * @author Moritz Eysholdt - Initial contribution and API
 */
public class DebugTraceBasedRegion extends AbstractTraceRegion {

    private final DebugTraceRegion delegate;

    protected DebugTraceBasedRegion(AbstractTraceRegion parent, DebugTraceRegion delegate) {
        super(parent);
        this.delegate = delegate;
        for (DebugTraceRegion child : delegate.getNestedRegions())
            new DebugTraceBasedRegion(this, child);
    }

    private LocationData convert(DebugLocationData data) {
        SourceRelativeURI uri = data.getPath() != null ? new SourceRelativeURI(data.getPath()) : null;
        return new LocationData(data.getOffset(), data.getLength(), data.getLineNumber(), data.getEndLineNumber(),
                uri);
    }

    @Override
    public List<ILocationData> getAssociatedLocations() {
        List<ILocationData> result = Lists.newArrayListWithCapacity(delegate.getAssociations().size());
        for (DebugLocationData data : delegate.getAssociations())
            result.add(convert(data));
        return result;
    }

    @Override
    public SourceRelativeURI getAssociatedSrcRelativePath() {
        SourceRelativeURI path = super.getAssociatedSrcRelativePath();
        if (path != null)
            return path;
        return getAssociatedSrcRelativePath(delegate);
    }

    protected SourceRelativeURI getAssociatedSrcRelativePath(DebugTraceRegion region) {
        for (DebugLocationData associated : region.getAssociations()) {
            URI uri = associated.getPath();
            if (uri != null)
                return new SourceRelativeURI(uri);
        }
        EObject container = region.eContainer();
        if (container instanceof DebugTraceRegion)
            return getAssociatedSrcRelativePath((DebugTraceRegion) container);
        return null;
    }

    @Override
    public int getMyEndLineNumber() {
        return delegate.getMyEndLineNumber();
    }

    @Override
    public int getMyLength() {
        return delegate.getMyLength();
    }

    @Override
    public int getMyLineNumber() {
        return delegate.getMyLineNumber();
    }

    @Override
    public int getMyOffset() {
        return delegate.getMyOffset();
    }

    @Override
    public boolean isUseForDebugging() {
        return delegate.isUseForDebugging();
    }

}