+#endif /* !defined(wxWCHAR_T_IS_REAL_TYPE) */
+
+/* Helper macro for doing something dependent on whether wchar_t is or isn't a
+ typedef inside another macro. */
+#if wxWCHAR_T_IS_REAL_TYPE
+ #define wxIF_WCHAR_T_TYPE(x) x
+#else /* !wxWCHAR_T_IS_REAL_TYPE */
+ #define wxIF_WCHAR_T_TYPE(x)
+#endif /* wxWCHAR_T_IS_REAL_TYPE/!wxWCHAR_T_IS_REAL_TYPE */
+
+/*
+ This constant should be used instead of NULL in vararg functions taking
+ wxChar* arguments: passing NULL (which is the same as 0, unless the compiler
+ defines it specially, e.g. like gcc does with its __null built-in) doesn't
+ work in this case as va_arg() wouldn't interpret the integer 0 correctly
+ when trying to convert it to a pointer on architectures where sizeof(int) is
+ strictly less than sizeof(void *).
+
+ Examples of places where this must be used include wxFileTypeInfo ctor.
+ */
+#define wxNullPtr ((void *)NULL)
+
+
+/* Define wxChar16 and wxChar32 */
+
+#if SIZEOF_WCHAR_T == 2
+ #define wxWCHAR_T_IS_WXCHAR16
+ typedef wchar_t wxChar16;
+#else
+ typedef wxUint16 wxChar16;
+#endif
+
+#if SIZEOF_WCHAR_T == 4
+ #define wxWCHAR_T_IS_WXCHAR32
+ typedef wchar_t wxChar32;
+#else
+ typedef wxUint32 wxChar32;
+#endif
+
+
+/*
+ Helper macro expanding into the given "m" macro invoked with each of the
+ integer types as parameter (notice that this does not include char/unsigned
+ char and bool but does include wchar_t).
+ */
+#define wxDO_FOR_INT_TYPES(m) \
+ m(short) \
+ m(unsigned short) \
+ m(int) \
+ m(unsigned int) \
+ m(long) \
+ m(unsigned long) \
+ wxIF_LONG_LONG_TYPE( m(wxLongLong_t) ) \
+ wxIF_LONG_LONG_TYPE( m(wxULongLong_t) ) \
+ wxIF_WCHAR_T_TYPE( m(wchar_t) )
+
+/*
+ Same as wxDO_FOR_INT_TYPES() but does include char and unsigned char.
+
+ Notice that we use "char" and "unsigned char" here but not "signed char"
+ which would be more correct as "char" could be unsigned by default. But
+ wxWidgets code currently supposes that char is signed and we'd need to
+ clean up assumptions about it, notably in wx/unichar.h, to be able to use
+ "signed char" here.
+ */
+#define wxDO_FOR_CHAR_INT_TYPES(m) \
+ m(char) \
+ m(unsigned char) \
+ wxDO_FOR_INT_TYPES(m)
+
+/*
+ Same as wxDO_FOR_INT_TYPES() above except that m macro takes the
+ type as the first argument and some extra argument, passed from this macro
+ itself, as the second one.
+ */
+#define wxDO_FOR_INT_TYPES_1(m, arg) \
+ m(short, arg) \
+ m(unsigned short, arg) \
+ m(int, arg) \
+ m(unsigned int, arg) \
+ m(long, arg) \
+ m(unsigned long, arg) \
+ wxIF_LONG_LONG_TYPE( m(wxLongLong_t, arg) ) \
+ wxIF_LONG_LONG_TYPE( m(wxULongLong_t, arg) ) \
+ wxIF_WCHAR_T_TYPE( m(wchar_t, arg) )
+
+/*
+ Combination of wxDO_FOR_CHAR_INT_TYPES() and wxDO_FOR_INT_TYPES_1():
+ invokes the given macro with the specified argument as its second parameter
+ for all char and int types.
+ */
+#define wxDO_FOR_CHAR_INT_TYPES_1(m, arg) \
+ m(char, arg) \
+ m(unsigned char, arg) \
+ wxDO_FOR_INT_TYPES_1(m, arg)
+
projects / wxWidgets.git / blobdiff