Examples/test-suite/preproc_line_file.i

%module preproc_line_file

// Test __LINE__ and __FILE__ (don't change line numbering in here else runtime tests will need modifying)
#define MYLINE __LINE__
#define MYLINE_ADJUSTED __LINE__ + 100

#define MYFILE __FILE__
#define MYFILE_ADJUSTED __FILE__ ".bak"


#define STRINGNUM_HELP(a,b) #a#b
#define STRINGNUM(a,b) STRINGNUM_HELP(a,b)
#define STRINGNUM_UNIQUE(a) STRINGNUM(a,__LINE__)

#define MY_STRINGNUM_A STRINGNUM_UNIQUE(my)
#define MY_STRINGNUM_B STRINGNUM_UNIQUE(my)


#define NUMBER_HELP(a,b) a##b
#define NUMBER(a,b) NUMBER_HELP(a,b)
#define NUMBER_UNIQUE(a) NUMBER(a,__LINE__)

%{
const int thing27 = -1;
const int thing28 = -2;
%}
const int NUMBER_UNIQUE(thing) = -1; /* resolves to thing27 */
const int NUMBER_UNIQUE(thing) = -2; /* resolves to thing28 */

#define MYLINE2 __LINE__

#if defined (SWIGJAVA)
%javaconst(1);
#elif defined(SWIGCSHARP)
%csconst(1);
#elif defined(SWIGD)
%dmanifestconst;
#else
%ignore LINE_NUMBER;
%ignore LINE_NUM;
/* spare space */
#endif

%{
struct SillyStruct {
  int num;
  /* static const int line_num = __LINE__; */
};
%}
struct SillyStruct {
  int num;
  static const int LINE_NUMBER = __LINE__; /* This is a C test case, but we can still use a C++ feature to wrap a constant to test __LINE__ here */
};

#define SILLY_CLASS struct SillyMacroClass { int num; static const int LINE_NUM = __LINE__; };
SILLY_CLASS

%{
#define SILLY_CLASS struct SillyMacroClass { int num; };
SILLY_CLASS
%}


%inline %{
#ifdef SWIG
%define BODY
  int num;
  static const int LINE_NUM = __LINE__;
%enddef
%define KLASS(NAME)
struct NAME {
  BODY
};
%enddef
#else
#define KLASS(NAME) \
struct NAME { \
  int num; \
};
#endif
KLASS(SillyMulMacroStruc)
%}

%inline %{

#define INLINE_FILE __FILE__
#define INLINE_LINE __LINE__
%}

#define MACRO_END_WITH_SLASH ABCD/

%inline %{
KLASS(Slash)
%}