Re: [dev-context] utilities.parsers.stepper

[Hans Hagen]

On 1/2/2018 11:35 PM, Wolfgang Schuster wrote:

Hi,

the function "utilities.parsers.stepper" from util-prs.lua gives me 
always the following error message when I try one of the examples from 
the source.
in line 609 and 612 remove the C in C(cardinal) because it gives a 
double capture (probably this code assumes a rather old lpeg)


Hans

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  Hans Hagen | PRAGMA ADE
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[dev-context] utilities.parsers.stepper

[Wolfgang Schuster]

Hi,

the function "utilities.parsers.stepper" from util-prs.lua gives me 
always the following error message when I try one of the examples from 
the source.



 begin error
lua error > lua error on line 11 in file /Users/wolf/TeX/test/test.tex:

...eta/tex/texmf-context/tex/context/base/mkiv/util-prs.lua:596: attempt 
to call local 'action' (a number value)

stack traceback:
...eta/tex/texmf-context/tex/context/base/mkiv/util-prs.lua:596: in 
function <...eta/tex/texmf-context/tex/context/base/mkiv/util-prs.lua:587>

[C]: in function 'lpegmatch'
...eta/tex/texmf-context/tex/context/base/mkiv/util-prs.lua:617: in 
function 'stepper'

[ctxlua]:4: in main chunk
 end error


 begin example
\starttext

\startluacode

-- utilities.parsers.stepper("1,7-",9,function(i) print(">>>",i) end)
utilities.parsers.stepper("1-3,7,8,9")
-- utilities.parsers.stepper("1-3,6,7",function(i) print(">>>",i) end)
-- utilities.parsers.stepper(" 1 : 3, ,7 ")
-- utilities.parsers.stepper("1:4,9:13,24:*",30)

\stopluacode

\stoptext
 end example


Wolfgang
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