/usr/share/doc/swig4.0-examples/Examples/test-suite/typemap_documentation.i

%module typemap_documentation

// A place for checking that documented typemaps are working.
// The UTL languages are the only ones that are consistent enough to support these generic typemap functions.
// These are in the Typemaps.html chapter.

%inline %{
class Foo {
public:
  int x;
};

class Bar {
public:
  int y;
};
%}

#if defined(SWIGUTL)
%typemap(in) Foo * {
  if (!SWIG_IsOK(SWIG_ConvertPtr($input, (void **) &$1, $1_descriptor, 0))) {
    SWIG_exception_fail(SWIG_TypeError, "in method '$symname', expecting type Foo");
  }
}
#endif

%inline %{
int GrabVal(Foo *f) {
  return f->x;
}
%}


#if defined(SWIGUTL)
%typemap(in) Foo * {
  if (!SWIG_IsOK(SWIG_ConvertPtr($input, (void **) &$1, $1_descriptor, 0))) {
    Bar *temp;
    if (!SWIG_IsOK(SWIG_ConvertPtr($input, (void **) &temp, $descriptor(Bar *), 0))) {
      SWIG_exception_fail(SWIG_TypeError, "in method '$symname', expecting type Foo or Bar");
    }
    $1 = (Foo *)temp;
  }
}
#endif

%inline %{
int GrabValFooBar(Foo *f) {
  return f->x;
}
%}

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