@Override public void visitCtIf(CtIf ifElement) { // super.visitCtIf(ifElement); CtStatement ctThen = ifElement.getThenStatement(); CtStatement ctElse = ifElement.getElseStatement(); Mutability condMut = mutability(ifElement.getCondition()); if (ctThen != null) ifElement.getThenStatement().accept(this); if (ctElse != null) ifElement.getElseStatement().accept(this); if (condMut == Mutability.ERASABLE && isEmpty(ctThen)) { // if ( - ) { } else { } <- Remove the whole if if (ctElse == null || isEmpty(ctElse)) remove(ifElement); // else if case: if ( - ) { } else if { doSomething() } <-- pull the else if element up else if (ctElse instanceof CtIf) ctElse.setParent(ifElement.getParent()); } }