Examples with IAstRegion org.eclipse.xtext.formatting2.regionaccess.IAstRegion used on opensource projects

Example 6 with IAstRegion

use of org.eclipse.xtext.formatting2.regionaccess.IAstRegion in project xtext-core by eclipse.

the class PartialSerializer method findRegions.

protected List<IAstRegion> findRegions(IEObjectRegion owner, FeatureChange change) {
    EStructuralFeature feature = change.getFeature();
    if (feature instanceof EReference && ((EReference) feature).isContainment()) {
        ITextRegionAccess access = owner.getTextRegionAccess();
        Set<EObject> children = Sets.newHashSet();
        for (ListChange lc : change.getListChanges()) {
            children.addAll(lc.getReferenceValues());
        }
        for (Object obj : (List<?>) owner.getSemanticElement().eGet(feature)) {
            children.add((EObject) obj);
        }
        List<IEObjectRegion> result = Lists.newArrayList();
        for (EObject obj : children) {
            IEObjectRegion region = access.regionForEObject(obj);
            if (region != null) {
                result.add(region);
            }
        }
        Collections.sort(result, (a, b) -> a.getOffset() - b.getOffset());
        return ImmutableList.copyOf(result);
    } else {
        return ImmutableList.copyOf(owner.getRegionFor().features(feature));
    }
}

Example 7 with IAstRegion

use of org.eclipse.xtext.formatting2.regionaccess.IAstRegion in project xtext-core by eclipse.

the class AbstractEObjectRegion method initChildrenFeatureIndexes.

protected void initChildrenFeatureIndexes() {
    EClass clazz = semanticElement.eClass();
    int[] indices = new int[clazz.getFeatureCount()];
    Arrays.fill(indices, 0);
    for (IAstRegion ele : children) {
        EStructuralFeature feat = ele.getContainingFeature();
        if (feat != null && feat.isMany()) {
            int id = clazz.getFeatureID(feat);
            if (ele instanceof AbstractEObjectRegion) {
                ((AbstractEObjectRegion) ele).indexInFeature = indices[id];
            } else if (ele instanceof NodeSemanticRegion) {
                ((NodeSemanticRegion) ele).indexInFeature = indices[id];
            } else if (ele instanceof StringSemanticRegion) {
                ((StringSemanticRegion) ele).indexInFeature = indices[id];
            }
            indices[id]++;
        }
    }
}