protected Statement getLocalVar(CtTypeReference type, InputContext inputContext) { List<Statement> list = localVars .stream() .filter(var -> var.getCtCodeFragment() != null) .filter(var -> type.equals(((CtLocalVariable) var.getCtCodeFragment()).getType())) .filter( var -> inputContext.getVariableOrFieldNamed( ((CtLocalVariable) var.getCtCodeFragment()).getSimpleName()) == null) .collect(Collectors.toList()); if (list.isEmpty()) { return null; } else { boolean localVarFind; while (!list.isEmpty()) { Statement localVar = list.remove(AmplificationHelper.getRandom().nextInt(list.size())); localVarFind = true; for (CtVariableReference var : localVar.getInputContext().getVar()) { CtVariableReference<?> candidate = inputContext.candidate(var.getType(), true); if (candidate == null) { localVarFind = false; break; } } if (localVarFind) { Statement cloneLocalVar = localVar.clone(); for (CtVariableReference var : localVar.getInputContext().getVar()) { try { CtVariableReference variable = cloneLocalVar.getInputContext().getVariableOrFieldNamed(var.getSimpleName()); cloneLocalVar .getInputContext() .getVariableOrFieldNamed(var.getSimpleName()) .replace(variable); } catch (Exception e) { continue; } return cloneLocalVar; } } } return null; } }