text: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  #include "testutil/function_utils.h"
  
  #include <vector>
  
  #include "runtime/mem_pool.h"
  #include "udf/udf_internal.h"
  
  namespace doris {
  
  FunctionUtils::FunctionUtils() {
      doris_udf::FunctionContext::TypeDesc return_type;
      std::vector<doris_udf::FunctionContext::TypeDesc> arg_types;
      _memory_pool = new MemPool("function util");
      _fn_ctx = FunctionContextImpl::create_context(_state, _memory_pool, return_type, arg_types, 0,
                                                    false);
  }
  FunctionUtils::FunctionUtils(RuntimeState* state) {
      _state = state;
      doris_udf::FunctionContext::TypeDesc return_type;
      std::vector<doris_udf::FunctionContext::TypeDesc> arg_types;
      _memory_pool = new MemPool("function util");
      _fn_ctx = FunctionContextImpl::create_context(_state, _memory_pool, return_type, arg_types, 0,
                                                    false);
  }
  
  FunctionUtils::FunctionUtils(const doris_udf::FunctionContext::TypeDesc& return_type,
                               const std::vector<doris_udf::FunctionContext::TypeDesc>& arg_types,
                               int varargs_buffer_size) {
      _memory_pool = new MemPool("function util");
      _fn_ctx = FunctionContextImpl::create_context(_state, _memory_pool, return_type, arg_types,
                                                    varargs_buffer_size, false);
  }
  
  FunctionUtils::~FunctionUtils() {
      _fn_ctx->impl()->close();
      delete _fn_ctx;
      delete _memory_pool;
  }
  
  } // namespace doris
  