is there a backware compatablity 9.30 => 9.28.2 setting?
lazarus / 6-IDE-CodeTools

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mas steindorff · 2011-05-16 17:27

I wish to start using the latest rev but there are several issues the
new release does not like about code I generated with rev 9.28.2.
A few being I can not longer use
 inc(compontX.Tag);

and the order of variables and procedures in the object's type def
(variables must come before procedures).

Is there a flag or setting I can use on the (100+) older projects so I
can use the latest release and still support these older projects
while I transition over?

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Martin_fr · 2011-05-16 17:47

Both changes where introduced in fpc 2.4 .0

http://wiki.lazarus.freepascal.org/User_Changes_2.4.0#Order_of_field_a
nd_method.2Fproperty_declarations
http://wiki.lazarus.freepascal.org/User_Changes_2.4.0#Treating_direct-
mapped_properties_as_regular_fields

You can try to install an older fpc version. But I do not know if it
will work.
In order to compile your projects with the older fpc, you will need to
compile at least the LCL (and all packages used by your project with
the older fpc).
I do not know if the current LCL can still be compiled with this

-----
As for
 inc(compontX.Tag);
That can be fixed by search and replace using regular expression
searches
search for:
  inc\((.+?)\);
replace with
  $1 := $1 + 1;

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mas steindorff · 2011-05-16 17:54

Quote from: Martin_fr on May 16, 2011, 07:47:48 pm...
As for
 inc(compontX.Tag);
That can be fixed by search and replace using regular expression
searches
search for:
  inc\((.+?)\);
replace with
  $1 := $1 + 1;

Thank you!  this will speed up my update task a lot!

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Martin_fr · 2011-05-16 18:45

if you have
inc(a,2)

then try search for:
  inc\((.+?),(.+?)\);
replace with
  $1 := $1 + $2;


for the order of declarations in classes. Instead of re-ordering
everything, it may be faster to add additional "public", "private",
... lines