lix/src/libutil/rust-ffi.cc

#include "logging.hh"
#include "rust-ffi.hh"

namespace nix {

extern "C" std::exception_ptr * make_error(rust::StringSlice s)
{
    // FIXME: leak
    return new std::exception_ptr(std::make_exception_ptr(Error(std::string(s.ptr, s.size))));
}

}
More Rust FFI adventures We can now convert Rust Errors to C++ exceptions. At the Rust->C++ FFI boundary, Result<T, Error> will cause Error to be converted to and thrown as a C++ exception. 2019-09-10 23:15:20 +00:00			`#include "logging.hh"`
Move code around 2019-09-11 11:10:46 +00:00			`#include "rust-ffi.hh"`
More Rust FFI adventures We can now convert Rust Errors to C++ exceptions. At the Rust->C++ FFI boundary, Result<T, Error> will cause Error to be converted to and thrown as a C++ exception. 2019-09-10 23:15:20 +00:00
			`namespace nix {`

			`extern "C" std::exception_ptr * make_error(rust::StringSlice s)`
			`{`
			`// FIXME: leak`
			`return new std::exception_ptr(std::make_exception_ptr(Error(std::string(s.ptr, s.size))));`
			`}`

			`}`