C++ (Cpp) NodeManager::mkBitVectorType Examples

Example #1

File: abstraction.cpp Project: jinala/CVC4

Node AbstractionModule::getSignatureSkolem(TNode node) {
  Assert (node.getKind() == kind::VARIABLE);
  unsigned bitwidth = utils::getSize(node);
  if (d_signatureSkolems.find(bitwidth) == d_signatureSkolems.end()) {
    d_signatureSkolems[bitwidth] = vector<Node>(); 
  }
  
  vector<Node>& skolems = d_signatureSkolems[bitwidth];
  // get the index of bv variables of this size
  unsigned index = getBitwidthIndex(bitwidth); 
  Assert (skolems.size() + 1 >= index );
  if (skolems.size() == index) {
    ostringstream os;
    os << "sig_" <<bitwidth <<"_" << index;
    NodeManager* nm = NodeManager::currentNM(); 
    skolems.push_back(nm->mkSkolem(os.str(), nm->mkBitVectorType(bitwidth), "skolem for computing signatures"));
  }
  ++(d_signatureIndices[bitwidth]);
  return skolems[index];
}