Re: compile errors

[LLeweLLyn Reese <llewelly at lifesupport dot shutdown dot com>]

Guohua Ma <maguohua at hpc dot me dot utexas dot edu> writes:

> dear sir:
>  I met some compiling problems when i use gcc3.2 to compile my program. my
> system is:
> redhat 8.0
> qt3-gcc3.2
> gcc 3.2
[snip]
> #ifndef PointerSwizzler_H
> #define PointerSwizzler_H
> 
> #include <typeinfo>
> #include <map>

using std::type_info;
using std::pair;
using std::map;

should fix most of your errors.

> 
> class PointerSwizzler {
> public:
>   PointerSwizzler() ;
>   ~PointerSwizzler() ;
> 
>   static unsigned long insert( void*, const type_info* ) ;
>   static unsigned long find( void*, const type_info* ) ;
>   static const type_info* find_type( void* ) ;
>   unsigned long operator() ( void*, const type_info* ) const ;
> 
>   static void reset() ;
> 
> protected:
>   typedef pair<void*,const type_info*> KeyType ;
> 
>   struct ltptr {
>     bool operator ()( KeyType a, KeyType b ) const
> {
> #if 0
>       return ( (a.first < b.first) ||
>                (a.first == b.first && a.second->before( *(b.second) ) ) )
> ;
> #else
>       return ( a.first < b.first ) ;
> #endif
>     }
>   } ;
> 
>   typedef pair< const pair<void*,const type_info*>, unsigned long>
> ValueType ;
>   typedef map< pair<void*,const type_info*>, unsigned long, ltptr >
> MapType ;
> 
> 
>   static MapType s_swizzler ;
>   static unsigned long s_current ;
> } ;
> 
> template<class T>
> unsigned long swizzle_pointer( T* pointer )
> {
>   const type_info* classid = &typeid( pointer ) ;
>   return PointerSwizzler::insert( reinterpret_cast<void*>(pointer),
> classid ) ;
> }
> 
> template<class T>
> unsigned long get_swizzle( T* pointer )
> {
>   const type_info* classid = &typeid( pointer ) ;
>   return PointerSwizzler::find( reinterpret_cast<void*>(pointer), classid
> ) ;
> }
> 
> inline const type_info* find_type( void* pointer )
> { return PointerSwizzler::find_type( pointer ) ; }
> 
> inline void reset_swizzler() { PointerSwizzler::reset() ; }
> 
> #endif // PointerSwizzler_H
> 
> 
> I searched through internet, however i couldnot fix it. could you help me
> to fix it?
> 
> guohua