limit of index entries?

limit of index entries?

[Henning Hraban Ramm]

Hi,
my aforementioned person index has more than 600 entries. If I get over ~500, ConTeXt (MkIV, several versions) breaks with

! error (push_node): stack overflow
mtx-context     | fatal error: return code: 256

Is there a hard limit? Can I change it?

Hraban
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Re: limit of index entries?

[Hans Hagen]

On 8/1/2020 1:54 PM, Henning Hraban Ramm wrote:
> Hi,
> my aforementioned person index has more than 600 entries. If I get over ~500, ConTeXt (MkIV, several versions) breaks with
> 
> ! error (push_node): stack overflow
> mtx-context     | fatal error: return code: 256
> 
> Is there a hard limit? Can I change it?
Is there a simple mwe to check this? It is no problem to bump the size 
but maybe it's something else,

Hans


-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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Re: limit of index entries?

[Hans Hagen]

On 8/1/2020 6:08 PM, Henning Hraban Ramm wrote:
> 
> 
>> Am 01.08.2020 um 14:10 schrieb Hans Hagen <j.hagen@xs4all.nl>:
>>
>> On 8/1/2020 1:54 PM, Henning Hraban Ramm wrote:
>>> Hi,
>>> my aforementioned person index has more than 600 entries. If I get over ~500, ConTeXt (MkIV, several versions) breaks with
>>> ! error (push_node): stack overflow
>>> mtx-context     | fatal error: return code: 256
>>> Is there a hard limit? Can I change it?
>> it might relate to protrusion (which needs to enter nested boxes to determine an edge) but how that then can relate to the number of entries puzzles me, unless we pop too less ... in which case i need to trace (with a mwe)
> 
> I can’t reproduce it with a simple example like
> 
> \setupalign[hanging]
> 
> \starttext
> 
> \placeregister[index][criterium=all]
> 
> \dorecurse{10000}{\par\strut\index{Test\recurselevel}}
> 
> \stoptext
> 
> 
> \recurselevel is empty in that context, \expanded didn’t help, but I guess we need different entries.
> 
> 
> Find attached the actual data, reduced to the minimum setup – the problem is indeed \setupalign[hanging].
> 
> I guess I can omit "hanging" for the index, but of course if would be nice if it would work.
it has to do with how you do that index:

- you do a lot of \index but you do that in vmode
- do, they get collected for the next paragraph
- that is done in a robust way which involves packing
- eventually you flush with a \strut
- so we get deeply nested boxes
- and that means trouble for protrusion pre-analysis

now, I can try to avoid it but we then can have side effects but we'll see

can you try to avoid collecting:

\leavevmode
\index{...}%

make sure no spaces get introduced

Hans


-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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___________________________________________________________________________________

Re: limit of index entries?

[Henning Hraban Ramm]

> Am 02.08.2020 um 10:18 schrieb Hans Hagen <j.hagen@xs4all.nl>:
> 
> On 8/1/2020 6:08 PM, Henning Hraban Ramm wrote:
>>> Am 01.08.2020 um 14:10 schrieb Hans Hagen <j.hagen@xs4all.nl>:
>>> 
>>> On 8/1/2020 1:54 PM, Henning Hraban Ramm wrote:
>>>> Hi,
>>>> my aforementioned person index has more than 600 entries. If I get over ~500, ConTeXt (MkIV, several versions) breaks with
>>>> ! error (push_node): stack overflow
>>>> mtx-context     | fatal error: return code: 256
>>>> Is there a hard limit? Can I change it?
>>> it might relate to protrusion (which needs to enter nested boxes to determine an edge) but how that then can relate to the number of entries puzzles me, unless we pop too less ... in which case i need to trace (with a mwe)
>> I can’t reproduce it with a simple example like
>> \setupalign[hanging]
>> \starttext
>> \placeregister[index][criterium=all]
>> \dorecurse{10000}{\par\strut\index{Test\recurselevel}}
>> \stoptext
>> \recurselevel is empty in that context, \expanded didn’t help, but I guess we need different entries.
>> Find attached the actual data, reduced to the minimum setup – the problem is indeed \setupalign[hanging].
>> I guess I can omit "hanging" for the index, but of course if would be nice if it would work.
> it has to do with how you do that index:
> 
> - you do a lot of \index but you do that in vmode
> - do, they get collected for the next paragraph
> - that is done in a robust way which involves packing
> - eventually you flush with a \strut
> - so we get deeply nested boxes
> - and that means trouble for protrusion pre-analysis
> 
> now, I can try to avoid it but we then can have side effects but we'll see
> 
> can you try to avoid collecting:
> 
> \leavevmode
> \index{...}%
> 
> make sure no spaces get introduced

Ah, yes, that works.
So it won’t be a problem in the completed book – the big list of entries is just all the names the author wants indexed and I’ll delete it as soon as the index entries are in the text where they belong.

Thank you very much!

Hraban
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