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- Subject: pcall [was: Re: handling errors without aborting script execution]
- From: David Jones <drj@...>
- Date: Tue, 19 Sep 2006 11:22:23 +0100
Le 19 Sep 2006 à 10:42, jason bright a écrit :
On 9/19/06, Robert Raschke <firstname.lastname@example.org> wrote: Jasmin Patry
> I'm wondering if anybody has had any experience modifying how Lua
> handles errors in scripts.
I just use pcall() for that kind of thing.
Not to hijack this thread, but can somebody point to any wiki
articles or otherwise about using error handlers with lua_pcall().
Doing my first project with Lua and everything is going swimmingly,
but would like some more robustness and feedback to the user ( e.g.
reporting the actual line and some context for a syntax error).
How lua_pcall uses it's error handler isn't very clear to me from
PiL nor the online docs.
Have a look at the source code for the supplied interpreter in lua.c,
it uses a lua_pcall error handler to produce stack back-traces when
there is an error.