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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// exceptions.h: Rcpp R/C++ interface class library -- exceptions
//
// Copyright (C) 2017 James J Balamuta
//
// This file is part of Rcpp.
//
// Rcpp is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Rcpp is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
#ifndef Rcpp__exceptionscpp11__h
#define Rcpp__exceptionscpp11__h
// Required for std::forward
#include <utility>
namespace Rcpp {
#define RCPP_ADVANCED_EXCEPTION_CLASS(__CLASS__, __WHAT__) \
class __CLASS__ : public std::exception { \
public: \
__CLASS__( ) throw() : message( std::string(__WHAT__) + "." ){} \
__CLASS__( const std::string& message ) throw() : \
message( std::string(__WHAT__) + ": " + message + "."){} \
template <typename... Args> \
__CLASS__( const char* fmt, Args&&... args ) throw() : \
message( tfm::format(fmt, std::forward<Args>(args)... ) ){} \
virtual ~__CLASS__() throw(){} \
virtual const char* what() const throw() { return message.c_str(); } \
private: \
std::string message; \
};
template <typename... Args>
inline void warning(const char* fmt, Args&&... args ) {
Rf_warning("%s", tfm::format(fmt, std::forward<Args>(args)... ).c_str());
}
template <typename... Args>
inline void NORET stop(const char* fmt, Args&&... args) {
throw Rcpp::exception( tfm::format(fmt, std::forward<Args>(args)... ).c_str() );
}
} // namespace Rcpp
#endif