Function APISampleNWithTypes

euler/parser/attribute_calculator.cc:414–435

}

bool APISampleNWithTypes(TreeNode* t) {
  // SAMPLE_N_WITH_TYPES
  std::vector<TreeNode*> children = t->GetChildren();
  for (const std::string& v : children[0]->GetProp()->GetValues()) {
    t->GetProp()->AddValue(v);
  }
  // SAMPLE_N_WITH_TYPES CONDITION
  if (children.size() == 2 && children[1]->GetType() == "CONDITION") {
    for (Prop* p : children[1]->GetProp()->GetNestingValues()) {
      t->GetProp()->AddNestingValue(p);
    }
  } else if (children.size() == 2 &&
             children[1]->GetType() == "AS") {  // SAMPLE_N_WITH_TYPES AS
    t->SetOpAlias(children[1]->GetProp()->GetValues()[0]);
  } else if (children.size() == 3) {  // SAMPLE_N_WITH_TYPES CONDITION AS
    for (Prop* p : children[1]->GetProp()->GetNestingValues()) {
      t->GetProp()->AddNestingValue(p);
    }
    t->SetOpAlias(children[2]->GetProp()->GetValues()[0]);
  }
  return true;
}

// NestingValues存放condition。第一个域是DNF，第二个域是PostProcess
// Values存放V附带的value