Add a couple of warning logs

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17097 72102866-910b-0410-8b05-ffd578937521

Source/GSFFCallInvocation.m

@@ -23,6 +23,7 @@
 #include "Foundation/NSException.h"
 #include "Foundation/NSCoder.h"
 #include "Foundation/NSDistantObject.h"
+#include "Foundation/NSDebug.h"
 #include "gnustep/base/GSInvocation.h"
 #include <config.h>
 #include <objc/objc-api.h>
@@ -383,7 +384,6 @@ static IMP gs_objc_msg_forward (SEL sel)
 
   if (!sel_type)
     {
-      NSLog(@"Invalid selector %s (no type information)", sel_get_name (sel));
       sel_type = "@";	// Default to id return type
     }
 
@@ -789,6 +789,20 @@ GSInvocationCallback (void *callback_data, va_alist args)
 	    {
 	      selector = sel_register_typed_name (runtimeName, receiverTypes);
 	    }
+	  if (runtimeTypes != 0)
+	    {
+	      /*
+	       * FIXME ... if we have a typed selector, it probably came
+	       * from the compiler, and the types of the proxied method
+	       * MUST match those that the compiler supplied on the stack
+	       * and the type it expects to retrieve from the stack.
+	       * We should therefore discriminate between signatures where
+	       * type qalifiers and sizes differ, and those where the
+	       * actual types differ.
+	       */
+	      NSWarnFLog(@"Changed type signature '%s' to '%s' for '%s'",
+		runtimeTypes, receiverTypes, runtimeName);
+	    }
 	}
     }