[Swig-user] SWIG is throwing error while compiling C/C++ Code

[Prabhat Ghosh]

Hi,

I have a old C\C++ unmanaged dll. we need to call it from C#. So, trying to
generate files through SWIG so the I can call it from C# project -

we have 7 headers, 9 .CPP files in c++ Code Base and it is in module
structure, functions are directly written in the .CPP files no class is
present , they are like -

RESOURCE.H - Version Info for the DLL
XTYPE.H - This file contains all type definitions including structs used in
the X dll
XMSG.H - This file contains the message constants
XCONS.H - This file contains all constant definitions used in the X project
CX.H - This file contains the function declarations for all functions using
C structures which are exported from X.DLL
SX.H - This file contains the function declarations for all functions
exported from X.DLL for use with SQLWindows applications.These functions
use a list of variables as arguments.
XGLOB.H - This file contains the global variable declarations used by X.
Also all the function signature present in all the respective header/source
file.

I am using below .i file -

%module(directors="1") X

%{
#include "RESOURCE.H"
#include "XTYPE.H"
#include "XMSG.H"
#include "XCONS.H"
#include "CX.H"
#include "SX.H"
#include "XGLOB.H"
%}

%include <windows.i>
%feature("director");
%include "RESOURCE.H"
%include "XYPE.H"
%include "XMSG.H"
%include "XCONS.H"
%include "CX.H" -> this header includes SX.H,XGLOB.H
%include "SX.H" -> this header includes XYPE.H
%include "XGLOB.H" -> this header includes RESOURCE.H,XTYPE.H,XMSG.H,XCONS.H

there are functions where I am facing error while compiling the .i file
through SWIG to generate files using Visual Studio 2015 -

few of them are like -

LONG CALLBACK XWndProc(HWND hWnd, UINT messg, WPARAM wParam, LPARAM
lParam); - throwing "Syntax error - possibly a missing semicolon." error
BOOLEAN __declspec(dllexport) WINAPI XGetCardPosition(GETCARDPOSITIONPARAM
FAR * CardCoordinates); - throwing "Syntax error in input(1)." error

Please let me know, what should be my .i file so that these errors could be
removed and can proceed with generating correct files to call from C#
project.

Thanks,

Prabhat Ghosh.