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Re: AppleScript's script size limit

on 10/22/02 7:49 PM, Paul Berkowitz at email@hidden wrote:

> On 10/21/02 1:04 PM, "Emmanuel" <email@hidden> wrote:
>
>> At 11:28 AM -0700 20/10/02, Paul Berkowitz wrote:
>>>
>>> AppleScript cannot compile scripts larger than about 140K source text, I say
>>> "about" because it seems to vary a little depending on the "parts of speech"
>>> - the syntax.
>>> Not the AppleScript formatting - removing ALL formatting and
>>> having every single syntax element as Geneva 10 plain text made no
>>> difference whatsoever , unlike a much higher limit i once discovered back in
>>> AS 1.3.7 (OS 8.6) and unlike a much lower limit related to style runs with
>>> the AppleScript Debugger language.
>>
>> Very interesting input. Thanks much for your tests, Paul.
>>
>> My O.O2 euros about that point: a French professional who kindly
>> reported his tests to me said Smile passed a 400 KB (we are talking
>> about number of characters of the source text) test, but failed to
>> compile a 488 KB script. (OS 10.1.2, AS 1.9, Smile 2.4.6).
>>
>>> But it seems to me that the limit I once hit in AS 1.3.7 was much higher
>>> than that. Is the AppleScript team even aware of this 140K limit, or do they
>>> do all their testing in Script Editor? Is this limit something essential,
>>> built in, or could it be expanded?
>>
>> I would say, do they do any testing at all? :-)
>>
>> Just kidding, Steve.
>>
>> In my opinion, we are probably facing a minor bug of AppleScript. I'd
>> bet that they could have it fixed within 15 minutes.
>>
>
> Thanks, Emmanuel.
>
> Bill Fancher has reported to me that he was able to compile a 1.1 MB script!
> So there's something other than length involved.
>
> I tried:
>
> 1) Replacing explicit run handler by implicit (top-level).
>
> 2) Moving implicit run handler (top-level script) to bottom of script.
>
> 3) Removing my top-level script object.
>
> 4) Removing all references to a 3rd-party osax (24U Appearance OSAX).
>
> So far, none of those has helped.
>
>
> Other things I'll try:
>
> 1) Removing script objects inside handlers (there are 10).
>
> 2) Reducing number of handlers (close to 80), while keeping length the same.
>
> My 140 KB limit for this particular script applies in Smile too, as well as
> SD.

I'm just running into the same issue! I have a script which compiles with
162 KB but not with 168 KB (error -108).
I tried in Studio, same result. So it seems indeed an AS-thing. Heeeeelp!


It seems there is a relation to the number of handlers in the script (my has
about 80).
A test script with 770 handlers compiles, 780 errors.
Another script with the same (or a lot more) character count, but without
handlers doesn't error:


--makeManySmallHandlers()
makeLargeScriptText()

on makeManySmallHandlers()
set theText to ""
repeat with i from 1 to 770 -- 780 errors = 102 KB
set theText to theText & "

handler" & i & "(\"Weischwurscht\", \"$ " & i & ",99\")" & "
on handler" & i & "(param1, param2)
activate
display dialog param1 & \": \" & param2
end"
--length of theText
end repeat
return theText
end makeManySmallHandlers



on makeLargeScriptText()
set theText to ""
repeat with i from 1 to 2000 -- =227 KB doesn't error, didn't try more
set theText to theText & "
activate
display dialog \"Weischwurscht Weischwurscht
Weischwurscht Weischwurscht
Weischwurscht Weischwurscht 1234\"
"
--length of theText
end repeat
return theText
end makeLargeScriptText





OS 10.2.1
AS 1.9
Script Debugger 3.0.5


Greetings
Christian Vick
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