|| "isdef".equals(name)) { captureToEOT(); return lastNode = new Negation(subset(expr, start, cursor - start), fields, pCtx); return lastNode = new Negation(name.toCharArray(), fields, pCtx); start = cursor--; captureToEOT(); return lastNode = new Negation(subset(expr, start, cursor - start), fields, pCtx);