[Swig-devel] [ swig-Bugs-1587093 ] Typemaps are ignored inside %extend block

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Bugs item #1587093, was opened at 2006-10-30 10:17
Message generated for change (Comment added) made by beazley
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https://sourceforge.net/tracker/?func=detail&atid=101645&aid=1587093&group_id=1645

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Category: code generation (general)
Group: None
>Status: Closed
Resolution: None
Priority: 5
Private: No
Submitted By: Petr Novotny (petr_novotny)
Assigned to: David M. Beazley (beazley)
Summary: Typemaps are ignored inside %extend block

Initial Comment:
I am extending a class. The typemaps that were 
declared outside the %extend{} block are ignored; the 
typemaps from within the block are used.

machine!user:~/swigbug [321]> cat bug.i 
%module bug;

class B {
};

%typemap(out) int { print("Int typemap\n"); }
%extend B {
%typemap(out) long { print("long typemap\n"); }
int fn1();
long fn2();
}

machine!user:~/swigbug [322]> ../swig-
1.3.29/bin/swig -c++ -perl5 bug.i
machine!user:~/swigbug [323]> grep typemap *cxx
/* The TmpMask is for in/out typemaps that use 
temporal objects */
      print("long typemap\n"); 
machine!user:~/swigbug [324]>

The expected outcome is that the "grep" shows 
both "Int typemap" and "long typemap". What happens 
is that the "long typemap" (the one defined inside %
extend block) is applied but the "Int typemap" (the 
one defined outside) is not.

----------------------------------------------------------------------

>Comment By: David M. Beazley (beazley)
Date: 2006-10-30 17:32

Message:
Logged In: YES 
user_id=7557

Not a bug.   %extend extends the class in the place where
the class is defined---typemaps must be in effect before the
class definition.



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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=101645&aid=1587093&group_id=1645