Re: [Texmacs-dev] How texmacs is so slow for my macro

[Sam Liddicott]

In my case I fixed the slowness with this at the end of my environment:

<if|<nf-last-chunklet?|<value|nf-name>>|<assign|<merge|code-line-|<value|nf-name>|-nr>|0>>

nf-last-chunklet? uses some hackery to know if it is the last instance 
of the environment (for a particular nf-name) in the document by looking 
to see if there is a label defined based on the chunklet counter with 1 
added to it.

If it is the last chunklet, then the line counter does not need 
preserving, and zero-ing it keeps things quick.

Sam

On 06/04/11 14:11, Sam Liddicott wrote:
> I've simplified the whole deal with a new definition of list that does 
> not reset item-nr to 0:
>
> <assign|list|<macro|item-render|item-transform|body|<with|current-item|<arg|item-render>|transform-item|<arg|item-transform>|<render-list|<arg|body>>>>> 
>
>
> <\enumerate>
> <item>one
>
> <item>two
>
> <item>
>
> <item>three
>
> <item>four
> </enumerate>
>
> hello joe <value|item-nr>
>
>
> the enumerate and "hello joe" line can be repeated a few thousand 
> times to bring the same problem.
>
> I guess it is because the texmacs document is a program. When a change 
> is made, it has to be re-executed in it's entirety unless it that can 
> be optimised out.
>
> In some cases for me, though, the counter is never re-used again after 
> the environment instance in which the new line is being inserted, so 
> it could be optimised out...
>
> So I need to talk to someone on the nature of these optimisations (if 
> I am right).
>
> Sam
>
>
>
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