widl: Support non-default calling conventions for non-object functions.

tools/widl/client.c

@@ -102,6 +102,7 @@ static void write_function_stubs(type_t *iface, unsigned int *proc_offset)
         const var_t* explicit_generic_handle_var = NULL;
         const var_t* context_handle_var = NULL;
         int has_full_pointer = is_full_pointer_function(func);
+        const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
 
         /* check for a defined binding handle */
         explicit_handle_var = get_explicit_handle_var(func);
@@ -131,6 +132,7 @@ static void write_function_stubs(type_t *iface, unsigned int *proc_offset)
         write_type_decl_left(client, get_func_return_type(func));
         if (needs_space_after(get_func_return_type(func)))
           fprintf(client, " ");
+        if (callconv) fprintf(client, "%s ", callconv);
         write_prefix_name(client, prefix_client, def);
         fprintf(client, "(\n");
         indent++;

tools/widl/header.c

@@ -879,10 +879,12 @@ void write_locals(FILE *fp, const type_t *iface, int body)
 static void write_function_proto(const type_t *iface, const func_t *fun, const char *prefix)
 {
   var_t *def = fun->def;
+  const char *callconv = get_attrp(def->type->attrs, ATTR_CALLCONV);
 
   /* FIXME: do we need to handle call_as? */
   write_type_decl_left(header, get_func_return_type(fun));
   fprintf(header, " ");
+  if (callconv) fprintf(header, "%s ", callconv);
   write_prefix_name(header, prefix, def);
   fprintf(header, "(\n");
   if (fun->args)