mode *last in mkiv

mode *last in mkiv

[luigi scarso]

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Hm, I have no clue on how enable *last mode in mkiv
\starttext
\startmode[*last]
LAST
\stopmode

#> context --final test.tex
doesn't work
-- 
luigi

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Re: mode *last in mkiv

[Wolfgang Schuster]

  Am 19.07.10 13:30, schrieb luigi scarso:
> Hm, I have no clue on how enable *last mode in mkiv
> \starttext
> \startmode[*last]
> LAST
> \stopmode

The '*last' mode is enabled when context needs the maximal number of 
runs for your document.

\definetwopasslist{last}
\starttext
\gettwopassdata{last}
\iftwopassdatafound
   \savetwopassdata{last}{1}{\number\numexpr\twopassdata+1\relax}
\else
   \savetwopassdata{last}{1}{1}
\fi
\doifnotmode{*last}{not }the last run
\stoptext

Wolfgang

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Re: mode *last in mkiv

[luigi scarso]

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On Mon, Jul 19, 2010 at 7:24 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

>  Am 19.07.10 13:30, schrieb luigi scarso:
>
> The '*last' mode is enabled when context needs the maximal number of runs
>> for your document.
>
>
> \definetwopasslist{last}
> \starttext
> \gettwopassdata{last}
> \iftwopassdatafound
>  \savetwopassdata{last}{1}{\number\numexpr\twopassdata+1\relax}
> \else
>  \savetwopassdata{last}{1}{1}
> \fi
> \doifnotmode{*last}{not }the last run
> \stoptext
>
> Wolfgang
>
>
Hm.
From core-sys.mkiv:

\appendtoks
    \ifcase\@@svn
        %                        % 0 : unknown
    \or
        \setsystemmode\v!first   % 1 : first run
    \or
        %                        % 2 : successive run
    \or
        \setsystemmode\v!first   % 3 : first and only run
    \or
        \setsystemmode\v!last    % 4 : (extra) last run
    \fi
\to \everysetupsystem

I suppose that last=4 runs
But the max number of runs is 8 , if I've understood  mtx-context.lua
So
\starttext
%%
%% content here
%%
\startmode[LAST]\myNullMacro\stopmode%
\stoptext

#> context mydocument.tex && context --mode=LAST mydocument.tex

ensure that the code inside \startmode[LAST]...\stopmode  is really seen the
"last " pass

-- 
luigi

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Re: mode *last in mkiv

[Wolfgang Schuster]

  Am 19.07.10 19:37, schrieb luigi scarso:
> #> context mydocument.tex && context --mode=LAST mydocument.tex
>
> ensure that the code inside \startmode[LAST]...\stopmode  is really 
> seen the "last " pass

It is seen at the last run but also the first, second ... because you 
enable just a self defined mode 'LAST'.

Wolfgang

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Re: mode *last in mkiv

[luigi scarso]

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On Mon, Jul 19, 2010 at 7:56 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

>  Am 19.07.10 19:37, schrieb luigi scarso:
>
>  #> context mydocument.tex && context --mode=LAST mydocument.tex
>>
>> ensure that the code inside \startmode[LAST]...\stopmode  is really seen
>> the "last " pass
>>
>
> It is seen at the last run but also the first, second ... because you
> enable just a self defined mode 'LAST'.
>
> yes but the second "context", ie
context --mode=LAST mydocument.tex
should change nothing from the first  "context", so it's really the last
 (run only one time)
I mean that in
#> context mydocument.tex && context mydocument.tex && context
mydocument.tex && context mydocument.tex

all but the first run exactly one time, while the first can be 5 runs and so
*last  is not the last one.

(of course one can put nasty things inside \startmode[LAST]...\stopmode etc
etc etc)


-- 
luigi

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Re: mode *last in mkiv

[Wolfgang Schuster]

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  Am 19.07.10 20:26, schrieb luigi scarso:
> On Mon, Jul 19, 2010 at 7:56 PM, Wolfgang Schuster 
> <schuster.wolfgang@googlemail.com 
> <mailto:schuster.wolfgang@googlemail.com>> wrote:
>
>      Am 19.07.10 19:37, schrieb luigi scarso:
>
>         #> context mydocument.tex && context --mode=LAST mydocument.tex
>
>         ensure that the code inside \startmode[LAST]...\stopmode  is
>         really seen the "last " pass
>
>
>     It is seen at the last run but also the first, second ... because
>     you enable just a self defined mode 'LAST'.
>
> yes but the second "context", ie
> context --mode=LAST mydocument.tex
> should change nothing from the first  "context", so it's really the 
> last  (run only one time)
> I mean that in
> #> context mydocument.tex && context mydocument.tex && context 
> mydocument.tex && context mydocument.tex
>
> all but the first run exactly one time, while the first can be 5 runs 
> and so *last  is not the last one.
>
> (of course one can put nasty things 
> inside \startmode[LAST]...\stopmode etc etc etc)

what is so important that you can include it only in the last run?

Wolfgang


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Re: mode *last in mkiv

[luigi scarso]

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On Mon, Jul 19, 2010 at 9:21 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

> what is so important that you can include it only in the last run?
>
> Wolfgang
>
> well, in the end nothing.
I mean: nothing that I can't do with an ad-hoc  program like
MyAnalyzePdfandLog and --batch option, ie
#>context --batch mydoc.tex;  MyAnalyzePdfandLog mydoc.pdf mydoc.log

-- 
luigi

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Re: mode *last in mkiv

[Wolfgang Schuster]

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  Am 19.07.10 22:00, schrieb luigi scarso:
>
>
> On Mon, Jul 19, 2010 at 9:21 PM, Wolfgang Schuster 
> <schuster.wolfgang@googlemail.com 
> <mailto:schuster.wolfgang@googlemail.com>> wrote:
>
>     what is so important that you can include it only in the last run?
>
> well, in the end nothing.
> I mean: nothing that I can't do with an ad-hoc  program like 
> MyAnalyzePdfandLog and --batch option, ie
> #>context --batch mydoc.tex;  MyAnalyzePdfandLog mydoc.pdf mydoc.log

why don't you use then a ctx file which process first the document and 
then MyAnalyze...

Wolfgang


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Re: mode *last in mkiv

[luigi scarso]

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On Mon, Jul 19, 2010 at 10:09 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

>
> why don't you use then a ctx file which process first the document and then
> MyAnalyze...
>
> yes I know.
The point is: while the *first mode  is clear and can be managed inside
context,
the concept of last run is problematic.
If one wants to be sure that "this tex code will be parsed only at the last
run"
then the tex code must be enclose inside a \startmode[LAST]\stopmode
and processed with
#>context mydoc.tex && context --mode=LAST mydoc.tex
(let's forget of errors for the moment)
But   if the tex code modify  mydoc  then the first context mydoc
is superfluous.
So in the end the tex code must do nothing of relevant, and hence  it can be
replaced by an external program MyAnalyze
which in general must have as input the input source mydoc.tex, the output
file mydoc.pdf and the log mydoc.log
and processed with
#>context --batch mydocument.tex ; MyAnalyze mydoc.tex mydoc.pdf mydoc.log
to take care of errors.

-- 
luigi

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