Method AddMappings

cpp/src/gandiva/external_c_functions.cc:67–78

namespace gandiva {
Status ExternalCFunctions::AddMappings(Engine* engine) const {
  const auto& c_funcs = function_registry_->GetCFunctions();
  const auto types = engine->types();
  for (auto& [func, func_ptr] : c_funcs) {
    for (const auto& sig : func.signatures()) {
      ARROW_ASSIGN_OR_RAISE(auto llvm_signature, MapToLLVMSignature(sig, func, types));
      auto& [args, ret_llvm_type] = llvm_signature;
      engine->AddGlobalMappingForFunc(func.pc_name(), ret_llvm_type, args, func_ptr);
    }
  }
  return Status::OK();
}
}  // namespace gandiva