[PD-dev] GEM and operator new

[Georg Holzmann]

Hallo Gem-devs!

I just made some things in GEM and noticed, that a lot of C++-style features
are not possible, because in Base/cppExtern the operator new is defined as
(correct me if I'm wrong):
GEM_EXTERN void *operator new(size_t, void *location, void *dummy);

(e.g. I tried to use fstreams and strings for fileIO and there was always
the compiler error:
...
/usr/include/c++/3.3/bits/basic_string.tcc:555: error: no matching function
for
   call to `operator new(unsigned int, void*&)'
<internal>:555: error: candidates are: void* operator new(unsigned int)
../Base/CPPExtern.h:132: error:                 void* operator new(unsigned
   int, void*, void*)
)

so I also defined:

//----------8<------Base/cppExtern.h--------8<------------
GEM_EXTERN void *operator new(size_t);
GEM_EXTERN void *operator new[](size_t);
GEM_EXTERN void *operator new(size_t, void *location);
GEM_EXTERN void *operator new[](size_t, void *location);
GEM_EXTERN void operator delete(void *base_ptr);
GEM_EXTERN void operator delete[](void *base_ptr);
//--------------->8----------------->8--------------------

//----------8<------Base/cppExtern.cpp--------8<----------
GEM_EXTERN void *operator new(size_t size)
{  return (::operator new( size ));  }

GEM_EXTERN void *operator new[](size_t size)
{  return (::operator new( size ));  }

GEM_EXTERN void *operator new(size_t size, void *location)
{  return (::operator new( size ));  }

GEM_EXTERN void *operator new[](size_t size, void *location)
{  return (::operator new( size ));  }

GEM_EXTERN void operator delete(void *base_ptr)
{  if(base_ptr) ::operator delete( base_ptr );  }

GEM_EXTERN void operator delete[](void *base_ptr)
{  if(base_ptr) ::operator delete( base_ptr );  }
//--------------->8----------------->8--------------------


So my question: Has this implementation any other disadvantages that I am
not thinking of at the moment (e.g. performance, because I ignored the
location pointer?) ?

(I know I can also make all that stuff in C-style, but why?)

LG
Georg

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