@Override
public String toString() {
List<ITextSegment> list = toTokenAndGapList();
if (list.isEmpty()) return "(empty)";
Multimap<IHiddenRegion, IEObjectRegion> hiddens = LinkedListMultimap.create();
List<String> errors = Lists.newArrayList();
ITextRegionAccess access = list.get(0).getTextRegionAccess();
TreeIterator<EObject> all = EcoreUtil2.eAll(access.regionForRootEObject().getSemanticElement());
while (all.hasNext()) {
EObject element = all.next();
IEObjectRegion obj = access.regionForEObject(element);
if (obj == null) continue;
IHiddenRegion previous = obj.getPreviousHiddenRegion();
IHiddenRegion next = obj.getNextHiddenRegion();
if (previous == null)
errors.add("ERROR: " + EmfFormatter.objPath(element) + " has no leading HiddenRegion.");
else hiddens.put(previous, obj);
if (previous != next) {
if (next == null)
errors.add("ERROR: " + EmfFormatter.objPath(element) + " has no trailing HiddenRegion.");
else hiddens.put(next, obj);
}
}
TextRegionListToString result = new TextRegionListToString();
if (!hideColumnExplanation) {
result.add("Columns: 1:offset 2:length 3:kind 4: text 5:grammarElement", false);
result.add("Kind: H=IHiddenRegion S=ISemanticRegion B/E=IEObjectRegion", false);
result.add("", false);
}
for (String error : errors) result.add(error, false);
int indentation = 0;
for (ITextSegment region : list) {
List<IEObjectRegion> previous = Lists.newArrayList();
List<IEObjectRegion> next = Lists.newArrayList();
List<String> middle = Lists.newArrayList(toString(region));
if (region instanceof IHiddenRegion) {
Collection<IEObjectRegion> found = hiddens.get((IHiddenRegion) region);
for (IEObjectRegion obj : found) {
boolean p = obj.getNextHiddenRegion().equals(region);
boolean n = obj.getPreviousHiddenRegion().equals(region);
if (p && n) middle.add(EMPTY_TITLE + "Semantic " + toString(obj));
else if (p) previous.add(obj);
else if (n) next.add(obj);
}
Collections.sort(previous, AstRegionComparator.CHILDREN_FIRST);
Collections.sort(next, AstRegionComparator.CONTAINER_FIRST);
}
for (IEObjectRegion obj : previous) {
indentation--;
result.add(indent(indentation) + EOBJECT_END_PADDED + toString(obj));
}
String indent = indent(indentation);
result.add(region, indent + Joiner.on("\n").join(middle).replace("\n", "\n" + indent));
for (IEObjectRegion obj : next) {
result.add(indent(indentation) + EOBJECT_BEGIN_PADDED + toString(obj));
indentation++;
}
}
return result.toString();
}
public TextRegionAccessToString withRegionAccess(ITextRegionAccess access) {
this.origin = access.regionForRootEObject();
this.hightlightOrigin = false;
return this;
}