synchronize GTK2 minimum version in docs

[wxWidgets.git] / include / wx / cpp.h

diff --git a/include/wx/cpp.h b/include/wx/cpp.h
index 6c93ca0ac90fe08a1d598ab916ac4fbf2b853f43..fbcbcaa1feebb242594360d48342f9abfc0f1c68 100644 (file)
--- a/include/wx/cpp.h
+++ b/include/wx/cpp.h
@@ -15,7 +15,23 @@
 
 /* wxCONCAT works like preprocessor ## operator but also works with macros */
 #define wxCONCAT_HELPER(text, line) text ## line
-#define wxCONCAT(text, line)        wxCONCAT_HELPER(text, line)
+
+#define wxCONCAT(x1, x2) \
+    wxCONCAT_HELPER(x1, x2)
+#define wxCONCAT3(x1, x2, x3) \
+    wxCONCAT(wxCONCAT(x1, x2), x3)
+#define wxCONCAT4(x1, x2, x3, x4) \
+    wxCONCAT(wxCONCAT3(x1, x2, x3), x4)
+#define wxCONCAT5(x1, x2, x3, x4, x5) \
+    wxCONCAT(wxCONCAT4(x1, x2, x3, x4), x5)
+#define wxCONCAT6(x1, x2, x3, x4, x5, x6) \
+    wxCONCAT(wxCONCAT5(x1, x2, x3, x4, x5), x6)
+#define wxCONCAT7(x1, x2, x3, x4, x5, x6, x7) \
+    wxCONCAT(wxCONCAT6(x1, x2, x3, x4, x5, x6), x7)
+#define wxCONCAT8(x1, x2, x3, x4, x5, x6, x7, x8) \
+    wxCONCAT(wxCONCAT7(x1, x2, x3, x4, x5, x6, x7), x8)
+#define wxCONCAT9(x1, x2, x3, x4, x5, x6, x7, x8, x9) \
+    wxCONCAT(wxCONCAT8(x1, x2, x3, x4, x5, x6, x7, x8), x9)
 
 /* wxSTRINGIZE works as the preprocessor # operator but also works with macros */
 #define wxSTRINGIZE_HELPER(x)       #x
@@ -24,6 +40,16 @@
 /* a Unicode-friendly version of wxSTRINGIZE_T */
 #define wxSTRINGIZE_T(x)            wxAPPLY_T(wxSTRINGIZE(x))
 
+/*
+    Special workarounds for compilers with broken "##" operator. For all the
+    other ones we can just use it directly.
+ */
+#ifdef wxCOMPILER_BROKEN_CONCAT_OPER
+    #define wxPREPEND_L(x)      L ## x
+    #define wxAPPEND_i64(x)     x ## i64
+    #define wxAPPEND_ui64(x)    x ## ui64
+#endif /* wxCOMPILER_BROKEN_CONCAT_OPER */
+
 /*
    Helper macros for wxMAKE_UNIQUE_NAME: normally this works by appending the
    current line number to the given identifier to reduce the probability of the
@@ -47,5 +73,33 @@
 /* Create a "unique" name with the given prefix */
 #define wxMAKE_UNIQUE_NAME(text)    wxCONCAT_LINE(text)
 
-#endif // _WX_CPP_H_
+/*
+   This macro can be passed as argument to another macro when you don't have
+   anything to pass in fact.
+ */
+#define wxEMPTY_PARAMETER_VALUE /* Fake macro parameter value */
+
+/*
+    Define __WXFUNCTION__ which is like standard __FUNCTION__ but defined as
+    NULL for the compilers which don't support the latter.
+ */
+#ifndef __WXFUNCTION__
+    /* TODO: add more compilers supporting __FUNCTION__ */
+    #if defined(__DMC__)
+        /*
+           __FUNCTION__ happens to be not defined within class members
+           http://www.digitalmars.com/drn-bin/wwwnews?c%2B%2B.beta/485
+        */
+        #define __WXFUNCTION__ (NULL)
+    #elif defined(__GNUC__) || \
+          (defined(_MSC_VER) && _MSC_VER >= 1300) || \
+          defined(__FUNCTION__)
+        #define __WXFUNCTION__ __FUNCTION__
+    #else
+        /* still define __WXFUNCTION__ to avoid #ifdefs elsewhere */
+        #define __WXFUNCTION__ (NULL)
+    #endif
+#endif /* __WXFUNCTION__ already defined */
+
+#endif /* _WX_CPP_H_ */