Rcpp Version 0.12.12
exceptions.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
2 //
3 // exceptions.h: Rcpp R/C++ interface class library -- exceptions
4 //
5 // Copyright (C) 2017 James J Balamuta
6 //
7 // This file is part of Rcpp.
8 //
9 // Rcpp is free software: you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation, either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Rcpp is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21 
22 #ifndef Rcpp__exceptionscpp11__h
23 #define Rcpp__exceptionscpp11__h
24 
25 // Required for std::forward
26 #include <utility>
27 
28 namespace Rcpp {
29 
30 #define RCPP_ADVANCED_EXCEPTION_CLASS(__CLASS__, __WHAT__) \
31 class __CLASS__ : public std::exception { \
32  public: \
33  __CLASS__( ) throw() : message( std::string(__WHAT__) + "." ){} \
34  __CLASS__( const std::string& message ) throw() : \
35  message( std::string(__WHAT__) + ": " + message + "."){} \
36  template <typename... Args> \
37  __CLASS__( const char* fmt, Args&&... args ) throw() : \
38  message( tfm::format(fmt, std::forward<Args>(args)... ) ){} \
39  virtual ~__CLASS__() throw(){} \
40  virtual const char* what() const throw() { return message.c_str(); } \
41  private: \
42  std::string message; \
43 };
44 
45 template <typename... Args>
46 inline void warning(const char* fmt, Args&&... args ) {
47  Rf_warning( tfm::format(fmt, std::forward<Args>(args)... ).c_str() );
48 }
49 
50 template <typename... Args>
51 inline void NORET stop(const char* fmt, Args&&... args) {
52  throw Rcpp::exception( tfm::format(fmt, std::forward<Args>(args)... ).c_str() );
53 }
54 
55 } // namespace Rcpp
56 #endif
void warning(const char *fmt, Args &&...args)
Definition: exceptions.h:46
void format(std::ostream &out, const char *fmt)
Definition: tinyformat.h:986
#define NORET
Definition: headers.h:64
void NORET stop(const char *fmt, Args &&...args)
Definition: exceptions.h:51
Rcpp API.
Definition: algo.h:28