1 /**************************************************************************/
2 /*                                                                        */
3 /*                                 OCaml                                  */
4 /*                                                                        */
5 /*   Contributed by Sylvain Le Gall for Lexifi                            */
6 /*                                                                        */
7 /*   Copyright 2008 Institut National de Recherche en Informatique et     */
8 /*     en Automatique.                                                    */
9 /*                                                                        */
10 /*   All rights reserved.  This file is distributed under the terms of    */
11 /*   the GNU Lesser General Public License version 2.1, with the          */
12 /*   special exception on linking described in the file LICENSE.          */
13 /*                                                                        */
14 /**************************************************************************/
15 
16 #ifdef DEBUG
17 
18 #include <stdio.h>
19 #include <windows.h>
20 
21 /* According to MSDN, MSVC supports the gcc ## operator (to deal with empty
22    argument lists)
23  */
24 #define DEBUG_PRINT(fmt, ...) \
25   do \
26   { \
27     if (debug_test()) \
28     { \
29       fprintf(stderr, "DBUG (pid:%ld, tid: %ld): ", GetCurrentProcessId(), \
30               GetCurrentThreadId()); \
31       fprintf(stderr, fmt, ##__VA_ARGS__); \
32       fprintf(stderr, "\n"); \
33       fflush(stderr); \
34     }; \
35   } while(0)
36 
37 /* Test if we are in dbug mode */
38 int  debug_test    (void);
39 
40 #elif defined(_MSC_VER) && _MSC_VER < 1300
41 
42 #define DEBUG_PRINT(fmt)
43 
44 /* __pragma wasn't added until Visual C++ .NET 2002, so simply disable the
45    warning entirely
46  */
47 
48 #pragma warning (disable:4002)
49 
50 #elif defined(_MSC_VER) && _MSC_VER <= 1400
51 
52 /* Not all versions of the Visual Studio 2005 C Compiler (Version 14) support
53    variadic macros, hence the test for this branch being <= 1400 rather than
54    < 1400.
55    This convoluted pair of macros allow DEBUG_PRINT to remain while temporarily
56    suppressing the warning displayed for a macro called with too many
57    parameters.
58  */
59 #define DEBUG_PRINT_S(fmt) __pragma(warning(pop))
60 #define DEBUG_PRINT \
61   __pragma(warning(push)) \
62   __pragma(warning(disable:4002)) \
63   DEBUG_PRINT_S
64 
65 #else
66 
67 /* Visual Studio supports variadic macros in all versions from 2008 (CL 15). */
68 #define DEBUG_PRINT(fmt, ...)
69 
70 #endif
71