X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=codegen%2Fcodegen-stubhead.hxx;h=171d3990f6c5166401cbb274f4ced5404bbb34b6;hp=a05540eebd73e8fc5b80b394babf70df95a6bd7c;hb=15980b02dac194a6f0dddce9c1750d914d97aa71;hpb=e035276bf0ac5abea21a0aafc6d05e7746e902d1

diff --git a/codegen/codegen-stubhead.hxx b/codegen/codegen-stubhead.hxx
index a05540e..171d399 100644
--- a/codegen/codegen-stubhead.hxx
+++ b/codegen/codegen-stubhead.hxx
@@ -6,20 +6,47 @@
 #include <boost/archive/xml_oarchive.hpp>
 #include <boost/archive/xml_iarchive.hpp>
 #include <boost/serialization/serialization.hpp>
-#include <boost/serialization/string.hpp>
 
 #include <string>
 #include <t2n_exception.hxx>
 #include <command.hxx>
 
 #ifdef __GCCXML__
-#define LIBT2N_SET_DEFAULTGROUP(x) namespace { typedef __attribute((gccxml(#x))) int libt2n_default; }
+// 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