lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]


> > I'm working a short time with Lua and primary with the C API, so I would like to know something about the error handling.
> > Does there anything exists like exception in Lua? Eg the Lua script calls a C/C++ function, on there C++ function an error
> > occurs and the C++ function throws an exception, I can catch the exception but I don't stop the program, but I would send
> > the error to the running Lua script, so the script can catch the error and deal with them.
> >
> > How can I handling errors on the Lua side?
> 
> [...]
> 
> In vanilla Lua, you'll want to explicitly catch the C++ exception and
> generate a call to lua_error.

Or better yet, call lua_error in the first place (instead of throwing
a C++ exception). In Lua, you can catch such errors with 'pcall'.

-- Roberto