Re: luaL_dofile(): how do I get errors?

[Sam Roberts <sroberts@...>]

On Wed, Jan 31, 2007 at 03:52:49PM -0500, Jerome Vuarand wrote:
> Shea Martin wrote:
> > If my embedded interpreter encounters an error in the script, 
> > during the
> > dofile() routine, it just punts.  dofile return a value of 1, 
> > so I know an error was encountered, but I have no idea what 
> > the error was.  There is no error message printed, etc.
> > 
> > Is there any sort of way to determine what is wrong with my 
> > script, and print a message to the user?
> > 
> > I don't think lua_pcall() is what I want, as it calls a 
> > function.  I am still loading the script.
> 
> As you can see in its doc luaL_dofile is defined as:
> 
>     luaL_loadfile(L, filename) || lua_pcall(L, 0, LUA_MULTRET, 0))

The last arg to lua_pcall() is useful. Look at lua.c, the interpreter
code, to see how to use it.

Sam