RE: constants?

["Nick Trout" <nick@...>]

> From: Luiz Henrique de Figueiredo 
> Sent: Tuesday, October 14, 2003 6:38 PM
> To: lua@bazar2.conectiva.com.br
> Subject: RE: constants?
> 
> >It would be nice to be able to strip out the line number information
as
> well.
> 
> luac -s does that: it strips line number information as well as the
names
> and scopes of local variables and the names of upvalues.

Sorry, my mistake. I'm not terribly familiar with Lua under the hood so
to speak. This is partly the authors fault for not creating enough bugs
in the source code! I have thus been able to play with the fun part,
which is using the Lua syntax. 

Performance-wise I am very happy with Lua I am just looking for ways to
trim memory usage at the moment.


> >I think Rici mentioned a while ago that his style of implementation
> >preference would be to have a line information VM instruction, rather
> >than embedded line information.
> 
> This is exactly how the line information is stored since Lua 4.0. It
was
> one
> of the major changes from Lua 3.2 (no more $debug!).

I don't see where the source line VM instruction is. From a quick scan
of the code I understand traceexec() to do the job of pulling out the
current line number if there is one. Since there is a method to strip
out line number information this pretty irrelevant to me.


> >It looks like quite a task to strip out line numbers from the current
> >implementation though.
> 
> Which version are you using??

5.0

Thanks for keeping me informed,

Nick