X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=codegen%2Fcodegen-stubhead.hxx;h=171d3990f6c5166401cbb274f4ced5404bbb34b6;hp=fa9947fec305b6e4003c928d0052fe3b725fd00c;hb=15980b02dac194a6f0dddce9c1750d914d97aa71;hpb=d5b431f83d0e215a590b3ec4df8ef5f212004960

diff --git a/codegen/codegen-stubhead.hxx b/codegen/codegen-stubhead.hxx
index fa9947f..171d399 100644
--- a/codegen/codegen-stubhead.hxx
+++ b/codegen/codegen-stubhead.hxx
@@ -12,16 +12,41 @@
 #include <command.hxx>
 
 #ifdef __GCCXML__
-#define LIBT2N_SET_DEFAULTGROUP(x) namespace { typedef __attribute((gccxml("libt2n-"#x))) int libt2n_default_group; }
-/* not allowed anymore
-#define LIBT2N_SET_DEFAULTGROUP(x) #define LIBT2N_EXPORT __attribute((gccxml("libt2n-"#x)))
+// used during parsing run with gccxml
+
+/** @brief mark a function to export it via libt2n
+    @par Example
+    @code
+    LIBT2N_EXPORT std::string testfunc(const std::string &str)
+    {
+        // your code here
+    }
+    @endcode
 */
 #define LIBT2N_EXPORT __attribute((gccxml("libt2n-default")))
-#define LIBT2N_EXPORT_GROUP(group) __attribute((gccxml("libt2n-"#group)))
+
+
+/** @brief tell libt2n about a default argument
+    @param type type of the default argument
+    @param value default value
+    @par Example
+    @code
+    LIBT2N_EXPORT std::string testfunc(LIBT2N_DEFAULT_ARG(const std::string str&,"hello world"))
+    {
+        // your code here
+    }
+    @endcode
+    @remarks Codegen gets default arguments via this define (gccxml-attribute) because gccxml
+             does not correctly output them (e.g. the namespace is ambiguous)
+*/
+#define LIBT2N_DEFAULT_ARG(type,value) __attribute((gccxml("libt2n-default-arg",#value))) type = value
+
 #else
-#define LIBT2N_SET_DEFAULTGROUP(x)
+// used during regular compile
+
 #define LIBT2N_EXPORT
-#define LIBT2N_EXPORT_GROUP(group)
+#define LIBT2N_DEFAULT_ARG(type,value) type = value
+
 #endif
 
 #endif