fundamentaltype.cc

C++ Reflection & Service Library

/* C++ Reflection & Serice Library
 * Copyright (C) 2003  Marcus Perlick
 * mailto: [e-mail]
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 *
 * This file is part of the "C++ Reflection & Serice Library" */
#include "FundamentalType.hh"

#include <cassert>
#include <new>

#include "align.hh"
#include "StdMethods.hh"
#include "Exception.hh"

namespace rfl {

  const Type&
  FundamentalType::getElmType( std::size_t idx ) const
  {
    Exception x( X_NOELM,
		 _("cannot get element type for class \'%s\'."),
		 getName().c_str() );
    throw x;
  }

  void*
  FundamentalType::getElmAddr( void* obj, std::size_t idx ) const
  {
    Exception x( X_NOELM,
		 _("cannot get element address for class \'%s\'."),
		 getName().c_str() );
    throw x;
  }
  
  template<typename T>
  class FunTypeTmpl : public FundamentalType {
  public:
    
    FunTypeTmpl( const char* name, Id id ) :
      FundamentalType( id, name, sizeof(T), AlignmentOf<T>::is(), 0,
		       &Create<T>::fn,
		       &CCreate<T>::fn,
		       &Destroy<T>::fn,
		       &Assign<T>::fn,
		       &NewObj<T>::fn,
		       &NewCopy<T>::fn,
		       &DelObj<T>::fn )
    {}

    virtual void avStartCall( av_alist& avList, 
			      void* fnPtr,
			      void *retVal ) const;

    virtual void avPutArg( av_alist& avList, void* arg ) const;

    virtual unsigned long hash( void ) const { return getId(); }
    virtual bool operator==( const Type& type ) const
    { return getId() == type.getId(); }
  };

  /** \todo Choose a better way to call the av_start_??? macro for the
   *  boolean return type. */
  void
  FunTypeTmpl<bool>::avStartCall( av_alist& avList,
				  void* fnPtr,
				  void *retVal ) const
  {
    // _MP_ what macro shall we use in C++? I thing sizeof(bool) is 1 with
    // my g++. So, for now we take char!
    av_start_char( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<char>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_char( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<unsigned char>::avStartCall( av_alist& avList,
					   void* fnPtr,
					   void* retVal ) const
  {
    av_start_uchar( avList, fnPtr, retVal );
  }
  
  void
  FunTypeTmpl<short>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_short( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<unsigned short>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_ushort( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<int>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_int( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<unsigned int>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_uint( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<long>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_long( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<unsigned long>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_ulong( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<float>::avStartCall( av_alist& avList,
				   void* fnPtr,
				   void* retVal ) const
  {
    av_start_float( avList, fnPtr, retVal );
  }

  void
  FunTypeTmpl<double>::avStartCall( av_alist& avList,
				    void* fnPtr,
				    void* retVal ) const
  {
    av_start_double( avList, fnPtr, retVal );
  }


  void
  FunTypeTmpl<bool>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_char( avList, *(char*)arg );
  }

  void
  FunTypeTmpl<char>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_char( avList, *(char*)arg );
  }

  void
  FunTypeTmpl<unsigned char>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_uchar( avList, *(unsigned char*)arg );
  }

  void
  FunTypeTmpl<short>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_short( avList, *(short*)arg );
  }

  void
  FunTypeTmpl<unsigned short>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_ushort( avList, *(unsigned short*)arg );
  }

  void
  FunTypeTmpl<int>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_int( avList, *(int*)arg );
  }

  void
  FunTypeTmpl<unsigned int>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_uint( avList, *(unsigned int*)arg );
  }

  void
  FunTypeTmpl<long>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_long( avList, *(long*)arg );
  }

  void
  FunTypeTmpl<unsigned long>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_ulong( avList, *(unsigned long*)arg );
  }

  void
  FunTypeTmpl<float>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_float( avList, *(float*)arg );
  }

  void
  FunTypeTmpl<double>::avPutArg( av_alist& avList, void* arg ) const
  {
    av_double( avList, *(double*)arg );
  }

#define DEFFUNTYPE(ty,id,tid) \
static FunTypeTmpl<ty> the##id##_t( #ty, tid ); \
const FundamentalType& Type##id = the##id##_t

  DEFFUNTYPE( bool, Bool, Type::ID_BOOL );
  DEFFUNTYPE( char, Char, Type::ID_CHAR );
  DEFFUNTYPE( unsigned char, UChar, Type::ID_UCHAR );
  DEFFUNTYPE( short, Short, Type::ID_SHORT );
  DEFFUNTYPE( unsigned short, UShort, Type::ID_USHORT );
  DEFFUNTYPE( int, Int, Type::ID_INT );
  DEFFUNTYPE( unsigned int, UInt, Type::ID_UINT );
  DEFFUNTYPE( long, Long, Type::ID_LONG );
  DEFFUNTYPE( unsigned long, ULong, Type::ID_ULONG );
  DEFFUNTYPE( float, Float, Type::ID_FLOAT );
  DEFFUNTYPE( double, Double, Type::ID_DOUBLE );

} // namespace rfl