protected List<CtLocalVariable> getLocalVarInScope(CtStatement stmt) { List<CtLocalVariable> vars = new ArrayList<>(); try { CtBlock parentBlock = stmt.getParent(CtBlock.class); if (parentBlock != null) { boolean beforeCurrentStmt = true; int i = 0; List<CtStatement> stmts = parentBlock.getStatements(); while (beforeCurrentStmt && i < stmts.size()) { CtStatement currentStatement = stmts.get(i); i++; beforeCurrentStmt = beforeCurrentStmt && currentStatement != stmt; if (currentStatement instanceof CtLocalVariable) { vars.add((CtLocalVariable) currentStatement); } } vars.addAll(getLocalVarInScope(parentBlock)); } } catch (Exception e) { throw new RuntimeException(e); } return vars; }