assistant.setContentAssistProcessor(processor, ATGPartitions.PRAGMAS_SEGMENT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new CommentsSegmentProposalProvider());
assistant.setContentAssistProcessor(processor, ATGPartitions.COMMENTS_SEGMENT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new IgnoreSegmentProposalProvider());
assistant.setContentAssistProcessor(processor, ATGPartitions.IGNORE_SEGMENT);
processor = new ATGCompletionProcessor(fEditor.getATGModelProvider(), new ProductionsSegmentProposalProvider());
assistant.setContentAssistProcessor(processor, ATGPartitions.PRODUCTIONS_SEGMENT);