C++/Tcl

C++/Tcl
A C++ library for interoperability between C++ and Tcl

Errors

All Tcl errors, conversion errors and others that may take place when calling Tcl code from C++, are translated and reported as exceptions of the tcl_error type:

namespace Tcl
{

     class tcl_error : public
std::runtime_error

     {
    // ...
     };
}

This means that the simplest framework for handling such errors may look like:

int main()
{
try
{

          
interpreter i;

           //
...

     }
     catch (tcl_error const &e)
     {

          // some
Tcl error

     }
     catch (exception const &e)
     {

          // some
other error

}
}

On the other hand, when calling C++ from Tcl, all C++ exceptions are translated and presented as regular Tcl errors, with error message taken from the C++ exception, if it was from the std::exception family. For all other C++ exceptions, the "Unknown error." message is returned.

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