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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) 2010 - 2017 Dirk Eddelbuettel and Romain Francois
//
// 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__exceptions__h
#define Rcpp__exceptions__h
#define GET_STACKTRACE() stack_trace( __FILE__, __LINE__ )
namespace Rcpp {
class exception : public std::exception {
public:
explicit exception(const char* message_) : message(message_) { // #nocov start
rcpp_set_stack_trace(stack_trace());
}
exception(const char* message_, const char* file, int line) : message(message_) {
rcpp_set_stack_trace(stack_trace(file,line));
}
virtual ~exception() throw() {}
virtual const char* what() const throw() {
return message.c_str(); // #nocov end
}
private:
std::string message;
};
// simple helper
static std::string toString(const int i) { // #nocov start
std::ostringstream ostr;
ostr << i;
return ostr.str(); // #nocov end
}
class no_such_env : public std::exception {
public:
no_such_env(const std::string& name) throw() :
message(std::string("no such environment: '") + name + "'") {};
no_such_env(int pos) throw() :
message("no environment in given position '" + toString(pos) + "'") {};
virtual ~no_such_env() throw() {};
virtual const char* what() const throw() { return message.c_str(); };
private:
std::string message;
};
class file_io_error : public std::exception {
public:
file_io_error(const std::string& file) throw() : // #nocov start
message(std::string("file io error: '") + file + "'"), file(file) {};
file_io_error(int code, const std::string& file) throw() :
message("file io error " + toString(code) + ": '" + file + "'"), file(file) {};
file_io_error(const std::string& msg, const std::string& file) throw() :
message(msg + ": '" + file + "'"), file(file) {};
virtual ~file_io_error() throw() {};
virtual const char* what() const throw() { return message.c_str(); };
std::string filePath() const throw() { return file; }; // #nocov end
private:
std::string message;
std::string file;
} ;
class file_not_found : public file_io_error { // #nocov start
public:
file_not_found(const std::string& file) throw() :
file_io_error("file not found", file) {} // #nocov end
};
class file_exists : public file_io_error { // #nocov start
public:
file_exists(const std::string& file) throw() :
file_io_error("file already exists", file) {} // #nocov end
};
#define RCPP_EXCEPTION_CLASS(__CLASS__,__WHAT__) \
class __CLASS__ : public std::exception{ \
public: \
__CLASS__( const std::string& message ) throw() : message( __WHAT__ ){} ; \
virtual ~__CLASS__() throw(){} ; \
virtual const char* what() const throw() { return message.c_str() ; } \
private: \
std::string message ; \
} ;
#define RCPP_SIMPLE_EXCEPTION_CLASS(__CLASS__,__MESSAGE__) \
class __CLASS__ : public std::exception{ \
public: \
__CLASS__() throw() {} ; \
virtual ~__CLASS__() throw(){} ; \
virtual const char* what() const throw() { return __MESSAGE__ ; } \
} ;
RCPP_SIMPLE_EXCEPTION_CLASS(not_a_matrix, "not a matrix")
RCPP_SIMPLE_EXCEPTION_CLASS(index_out_of_bounds, "index out of bounds")
RCPP_SIMPLE_EXCEPTION_CLASS(parse_error, "parse error")
RCPP_SIMPLE_EXCEPTION_CLASS(not_s4, "not an S4 object") // #nocov start
RCPP_SIMPLE_EXCEPTION_CLASS(not_reference, "not an S4 object of a reference class")
RCPP_SIMPLE_EXCEPTION_CLASS(not_initialized, "C++ object not initialized (missing default constructor?)")
RCPP_SIMPLE_EXCEPTION_CLASS(no_such_slot, "no such slot")
RCPP_SIMPLE_EXCEPTION_CLASS(no_such_field, "no such field")
RCPP_SIMPLE_EXCEPTION_CLASS(not_a_closure, "not a closure")
RCPP_SIMPLE_EXCEPTION_CLASS(no_such_function, "no such function")
RCPP_SIMPLE_EXCEPTION_CLASS(unevaluated_promise, "promise not yet evaluated")
RCPP_EXCEPTION_CLASS(not_compatible, message )
RCPP_EXCEPTION_CLASS(S4_creation_error, std::string("error creating object of S4 class : ") + message )
RCPP_EXCEPTION_CLASS(reference_creation_error, std::string("error creating object of reference class : ") + message )
RCPP_EXCEPTION_CLASS(no_such_binding, std::string("no such binding : '") + message + "'" )
RCPP_EXCEPTION_CLASS(binding_not_found, std::string("binding not found: '") + message + "'" )
RCPP_EXCEPTION_CLASS(binding_is_locked, std::string("binding is locked: '") + message + "'" )
RCPP_EXCEPTION_CLASS(no_such_namespace, std::string("no such namespace: '") + message + "'" )
RCPP_EXCEPTION_CLASS(function_not_exported, std::string("function not exported: ") + message)
RCPP_EXCEPTION_CLASS(eval_error, message ) // #nocov end
#undef RCPP_EXCEPTION_CLASS
#undef RCPP_SIMPLE_EXCEPTION_CLASS
namespace internal {
inline SEXP nth(SEXP s, int n) { // #nocov start
return Rf_length(s) > n ? (n == 0 ? CAR(s) : CAR(Rf_nthcdr(s, n))) : R_NilValue;
}
// We want the call just prior to the call from Rcpp_eval
// This conditional matches
// tryCatch(evalq(sys.calls(), .GlobalEnv), error = identity, interrupt = identity)
inline bool is_Rcpp_eval_call(SEXP expr) {
SEXP sys_calls_symbol = Rf_install("sys.calls");
SEXP identity_symbol = Rf_install("identity");
SEXP identity_fun = Rf_findFun(identity_symbol, R_BaseEnv);
SEXP tryCatch_symbol = Rf_install("tryCatch");
SEXP evalq_symbol = Rf_install("evalq");
return TYPEOF(expr) == LANGSXP &&
Rf_length(expr) == 4 &&
nth(expr, 0) == tryCatch_symbol &&
CAR(nth(expr, 1)) == evalq_symbol &&
CAR(nth(nth(expr, 1), 1)) == sys_calls_symbol &&
nth(nth(expr, 1), 2) == R_GlobalEnv &&
nth(expr, 2) == identity_fun &&
nth(expr, 3) == identity_fun;
}
}
} // namespace Rcpp
inline SEXP get_last_call(){
SEXP sys_calls_symbol = Rf_install("sys.calls");
Rcpp::Shield<SEXP> sys_calls_expr(Rf_lang1(sys_calls_symbol));
Rcpp::Shield<SEXP> calls(Rcpp_eval(sys_calls_expr, R_GlobalEnv));
SEXP cur, prev;
prev = cur = calls;
while(CDR(cur) != R_NilValue) {
SEXP expr = CAR(cur);
if (Rcpp::internal::is_Rcpp_eval_call(expr)) {
break;
}
prev = cur;
cur = CDR(cur);
}
return CAR(prev);
}
inline SEXP get_exception_classes( const std::string& ex_class) {
Rcpp::Shield<SEXP> res( Rf_allocVector( STRSXP, 4 ) );
#ifndef RCPP_USING_UTF8_ERROR_STRING
SET_STRING_ELT( res, 0, Rf_mkChar( ex_class.c_str() ) ) ;
#else
SET_STRING_ELT( res, 0, Rf_mkCharLenCE( ex_class.c_str(), ex_class.size(), CE_UTF8 ) );
#endif
SET_STRING_ELT( res, 1, Rf_mkChar( "C++Error" ) ) ;
SET_STRING_ELT( res, 2, Rf_mkChar( "error" ) ) ;
SET_STRING_ELT( res, 3, Rf_mkChar( "condition" ) ) ;
return res;
}
inline SEXP make_condition(const std::string& ex_msg, SEXP call, SEXP cppstack, SEXP classes){
Rcpp::Shield<SEXP> res( Rf_allocVector( VECSXP, 3 ) ) ;
#ifndef RCPP_USING_UTF8_ERROR_STRING
SET_VECTOR_ELT( res, 0, Rf_mkString( ex_msg.c_str() ) ) ;
#else
Rcpp::Shield<SEXP> ex_msg_rstring( Rf_allocVector( STRSXP, 1 ) ) ;
SET_STRING_ELT( ex_msg_rstring, 0, Rf_mkCharLenCE( ex_msg.c_str(), ex_msg.size(), CE_UTF8 ) );
SET_VECTOR_ELT( res, 0, ex_msg_rstring ) ;
#endif
SET_VECTOR_ELT( res, 1, call ) ;
SET_VECTOR_ELT( res, 2, cppstack ) ;
Rcpp::Shield<SEXP> names( Rf_allocVector( STRSXP, 3 ) );
SET_STRING_ELT( names, 0, Rf_mkChar( "message" ) ) ;
SET_STRING_ELT( names, 1, Rf_mkChar( "call" ) ) ;
SET_STRING_ELT( names, 2, Rf_mkChar( "cppstack" ) ) ;
Rf_setAttrib( res, R_NamesSymbol, names ) ;
Rf_setAttrib( res, R_ClassSymbol, classes ) ;
return res ;
}
inline SEXP exception_to_r_condition( const std::exception& ex){
std::string ex_class = demangle( typeid(ex).name() ) ;
std::string ex_msg = ex.what() ;
Rcpp::Shield<SEXP> cppstack( rcpp_get_stack_trace() );
Rcpp::Shield<SEXP> call( get_last_call() );
Rcpp::Shield<SEXP> classes( get_exception_classes(ex_class) );
Rcpp::Shield<SEXP> condition( make_condition( ex_msg, call, cppstack, classes) );
rcpp_set_stack_trace( R_NilValue ) ;
return condition ;
}
inline SEXP string_to_try_error( const std::string& str){
using namespace Rcpp;
#ifndef RCPP_USING_UTF8_ERROR_STRING
Rcpp::Shield<SEXP> simpleErrorExpr( Rf_lang2(::Rf_install("simpleError"), Rf_mkString(str.c_str())) );
Rcpp::Shield<SEXP> tryError( Rf_mkString( str.c_str() ) );
#else
Rcpp::Shield<SEXP> tryError( Rf_allocVector( STRSXP, 1 ) ) ;
SET_STRING_ELT( tryError, 0, Rf_mkCharLenCE( str.c_str(), str.size(), CE_UTF8 ) );
Rcpp::Shield<SEXP> simpleErrorExpr( Rf_lang2(::Rf_install("simpleError"), tryError ));
#endif
Rcpp::Shield<SEXP> simpleError( Rf_eval(simpleErrorExpr, R_GlobalEnv) );
Rf_setAttrib( tryError, R_ClassSymbol, Rf_mkString("try-error") ) ;
Rf_setAttrib( tryError, Rf_install( "condition") , simpleError ) ;
return tryError; // #nocov end
}
inline SEXP exception_to_try_error( const std::exception& ex){
return string_to_try_error(ex.what());
}
std::string demangle( const std::string& name) ;
#define DEMANGLE(__TYPE__) demangle( typeid(__TYPE__).name() ).c_str()
namespace Rcpp{
inline void warning(const std::string& message) {
Rf_warning(message.c_str());
}
template <typename T1>
inline void warning(const char* fmt, const T1& arg1) {
Rf_warning( tfm::format(fmt, arg1 ).c_str() );
}
template <typename T1, typename T2>
inline void warning(const char* fmt, const T1& arg1, const T2& arg2) {
Rf_warning( tfm::format(fmt, arg1, arg2 ).c_str() );
}
template <typename T1, typename T2, typename T3>
inline void warning(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3) {
Rf_warning( tfm::format(fmt, arg1, arg2, arg3).c_str() );
}
template <typename T1, typename T2, typename T3, typename T4>
inline void warning(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4) {
Rf_warning( tfm::format(fmt, arg1, arg2, arg3, arg4).c_str() );
}
template <typename T1, typename T2, typename T3, typename T4, typename T5>
inline void warning(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5) {
Rf_warning( 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 warning(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6) {
Rf_warning( 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 warning(const char* fmt, const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4, const T5& arg5, const T6& arg6, const T7& arg7) {
Rf_warning( 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 warning(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) {
Rf_warning( 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 warning(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) {
Rf_warning( 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 warning(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) {
Rf_warning( tfm::format(fmt, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10).c_str() );
}
inline void NORET stop(const std::string& message) { // #nocov start
throw Rcpp::exception(message.c_str());
} // #nocov end
template <typename T1>
inline void NORET stop(const char* fmt, const T1& arg1) {
throw Rcpp::exception( tfm::format(fmt, arg1 ).c_str() );
}
template <typename T1, typename T2>
inline void NORET 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 NORET 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 NORET 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 NORET 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 NORET 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 NORET 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 NORET 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 NORET 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 NORET 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){
SEXP stop_sym = Rf_install( "stop" ) ;
Rcpp::Shield<SEXP> condition( exception_to_r_condition(ex) );
Rcpp::Shield<SEXP> expr( Rf_lang2( stop_sym , condition ) ) ;
Rf_eval( expr, R_GlobalEnv ) ;
}
#endif
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