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Templates: Checking if an embed point has code
1998-04-23 -- Mike Hanson
Newsgroups: topspeed.products.c4
>Embeds get generated conditional to them containing code, so the generator
>can obviously tell
>
>Isn't that what #SUSPEND, #RELEASE, etc are for?
>
>Why do you want to know?
Well, the embeds that I'm generating would prove the existense of code
in a local classes method. If it's there, then I need to generate the
corresponding prototype in the local class defintion.
I ended up using the %BytesOutput internal token. Something like
this:
#ATSTART
#DECLARE(%HasMethod)
#ENDAT
#!
#AT(%LocalProcedures)
#SET(%HasMethod, %False)
#SET(%ByteCount, %BytesOutput)
#SUSPEND
#?MyClass.MyMethod PROCEDURE
#?CODE
#EMBED(%MyEmbed,'My Embed')
#RESUME
#SET(%ByteCount, %BytesOutput-%ByteCount)
#IF(%ByteCount)
#SET(%HasMethod, %True)
#ENDIF
#ENDAT
#!
#AT(%LocalDataClasses)
MyClass CLASS(BaseClass)
#IF(%HasMethod)
MyMethod PROCEDURE
#ENDIF
END!CLASS
#ENDAT
Catch you later!
-=> Mike Hanson, BoxSoft <=-
www.BoxsoftDevelopment.com
Mike@BoxsoftDevelopment.com
boxsoft@compuserve.com
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