Better Rcpp::stop. See tidyverse/dplyr#794 for the full story

Author: romainfrancois

inst/include/Rcpp/exceptions.h

@@ -195,6 +195,56 @@ namespace Rcpp{
     inline void stop(const std::string& message) {
         throw Rcpp::exception(message.c_str());
     }
+    
+    template <typename T1>
+    inline void stop(const char* fmt, const T1& arg1) {
+        throw Rcpp::exception( tfm::format(fmt, arg1 ).c_str() );
+    }
+    
+    template <typename T1, typename T2>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2 ).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6, const T7& arg7) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6, arg7).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6, const T7& arg7, const T8& arg8) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6, const T7& arg7, const T8& arg8, const T9& arg9) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9).c_str() );
+    }
+    
+    template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10>
+    inline void stop(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6, const T7& arg7, const T8& arg8, const T9& arg9, const T10& arg10) {
+        throw Rcpp::exception( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10).c_str() );
+    }
 }
 
 inline void forward_exception_to_r( const std::exception& ex){