macros.hpp

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// Copyright (c) 2019-2020 Simons Foundation
//
// Licensed 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.txt
//
// 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.
//
// Authors: Olivier Parcollet, Nils Wentzell
 
/**
 * @file
 * @brief Macros used in the nda library.
 */
 
#ifndef _CCQ_MACROS_GUARD_H
#define _CCQ_MACROS_GUARD_H
 
// CCQ, TRIQS general macros
// GUARD IT do not use pragma once
// hence one can simply include them in every project
 
// ---------------- Stringify ----------------
 
#define AS_STRING(...) AS_STRING2(__VA_ARGS__)
#define AS_STRING2(...) #__VA_ARGS__
 
// ---------------- Print ----------------
 
#define PRINT(X) std::cerr << AS_STRING(X) << " = " << X << "      at " << __FILE__ << ":" << __LINE__ << '\n'
#define NDA_PRINT(X) std::cerr << AS_STRING(X) << " = " << X << "      at " << __FILE__ << ":" << __LINE__ << '\n'
 
// ---------------- Inline ----------------
 
#define FORCEINLINE __inline__ __attribute__((always_inline))
 
// ---------------- Debugging ----------------
 
#ifdef NDEBUG
 
#define EXPECTS(X)
#define ASSERT(X)
#define ENSURES(X)
#define EXPECTS_WITH_MESSAGE(X, ...)
#define ASSERT_WITH_MESSAGE(X, ...)
#define ENSURES_WITH_MESSAGE(X, ...)
 
#else
 
#include <exception>
#include <iostream>
 
#define EXPECTS(X)
  if (!(X)) {
    std::cerr << "Precondition " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::terminate();
  }
#define ASSERT(X)
  if (!(X)) {
    std::cerr << "Assertion " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::terminate();
  }
#define ENSURES(X)
  if (!(X)) {
    std::cerr << "Postcondition " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::terminate();
  }
 
#define EXPECTS_WITH_MESSAGE(X, ...)
  if (!(X)) {
    std::cerr << "Precondition " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::cerr << "Error message : " << __VA_ARGS__ << std::endl;
    std::terminate();
  }
#define ASSERT_WITH_MESSAGE(X, ...)
  if (!(X)) {
    std::cerr << "Assertion " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::cerr << "Error message : " << __VA_ARGS__ << std::endl;
    std::terminate();
  }
#define ENSURES_WITH_MESSAGE(X, ...)
  if (!(X)) {
    std::cerr << "Postcondition " << AS_STRING(X) << " violated at " << __FILE__ << ":" << __LINE__ << "\n";
    std::cerr << "Error message : " << __VA_ARGS__ << std::endl;
    std::terminate();
  }
 
#endif // NDEBUG
 
#endif // _CCQ_MACROS_GUARD_H