fixed Syntax Highlighting

lang/tools.descartes.dql.lang.ui/src/tools/descartes/dql/lang/ui/SyntaxHighlighting.java

@@ -12,8 +12,11 @@ import org.eclipse.xtext.resource.XtextResource;
 import org.eclipse.xtext.ui.editor.syntaxcoloring.DefaultHighlightingConfiguration;
 import org.eclipse.xtext.util.CancelIndicator;
 
+import tools.descartes.dql.lang.descartesQL.ChildrenClause;
 import tools.descartes.dql.lang.descartesQL.DescartesQLPackage;
 import tools.descartes.dql.lang.descartesQL.EntityReference;
+import tools.descartes.dql.lang.descartesQL.FindClause;
+import tools.descartes.dql.lang.descartesQL.ParentClause;
 
 public class SyntaxHighlighting implements ISemanticHighlightingCalculator {
 
@@ -23,9 +26,21 @@ public class SyntaxHighlighting implements ISemanticHighlightingCalculator {
 			EObject element = contents.next();
 			if (element instanceof EntityReference)
 				highlightAsDataType(element, DescartesQLPackage.Literals.ENTITY_REFERENCE__TYPE, arg1);
+			if (element instanceof ChildrenClause)
+				highlightAsDefault(element, DescartesQLPackage.Literals.CHILDREN_CLAUSE__CONTENT, arg1);
+			if (element instanceof ParentClause)
+				highlightAsDefault(element, DescartesQLPackage.Literals.PARENT_CLAUSE__CONTENT, arg1);
+			if (element instanceof FindClause)
+				highlightAsDefault(element, DescartesQLPackage.Literals.FIND_CLAUSE__START, arg1);
 		}
 	}
 
+	protected void highlightAsDefault(EObject element, EStructuralFeature feature,
+			IHighlightedPositionAcceptor acceptor) {
+		for (INode node : NodeModelUtils.findNodesForFeature(element, feature))
+			acceptor.addPosition(node.getOffset(), node.getLength(), DefaultHighlightingConfiguration.DEFAULT_ID);
+	}
+
 	protected void highlightAsDataType(EObject element, EStructuralFeature feature,
 			IHighlightedPositionAcceptor acceptor) {
 		for (INode node : NodeModelUtils.findNodesForFeature(element, feature))