Re: Adding debug hook for error/yield/resume

[Joshua Jensen <josh.jjensen@...>]

----- Original Message -----
From: Paul K
Date: 3/17/2014 1:25 PM
> I'd like to move this debug.traceback discussion from LuaJIT maillist
> here [1]. debug.traceback used to be the only mechanism to catch
> run-time errors for code chunks you didn't load yourself and it
> appears that this mechanism is not available in Lua 5.2+ or LuaJIT as
> debug.traceback is not called anymore in those cases.
>
> As such we are left without any alternative for catching run-time
> errors from the Lua layer. Mike mentioned using a new hook as a
> possible solution. Could this be considered as it would definitely
> solve the issue of catching the errors?
The Tilde debugger [1] made by Tantalus adds an error hook to catch the 
location where error() was called from. I'll just throw it out there as 
an example of something that works pretty well.

Anyway, I'd love to see the hooks, too.

-Josh

[1] https://github.com/jjensen/lua-tilde/blob/master/lib/lua/lua_5.1.3.patch