handle structs containing function pointers (not supported, currently)

pEpACIDgen/gen_backend/gen_pybind11.ysl2

@@ -187,15 +187,27 @@ tstylesheet {
         |
     }
 
+    function "type_is_fptr" {
+        param "type";
+        choose {
+            when "contains($type,'(')" {
+                > true
+            } otherwise {
+                > false
+            }
+        }
+    }
 
     template "field" {
         param "structname";
         param "name", "@name";
         param "type", "@type";
+        const "is_fptr" call "type_is_fptr" with "type", "$type";
         const "array_type", "substring-before($type, '[')";
         const "array_len", "substring-before(substring-after($type, '['),']')";
 
 
+        if "$is_fptr != 'true'" { // function pointers not supported, currently
             choose {
                 // If is array type
                 when "string-length($array_len) > 0" {
@@ -285,6 +297,9 @@ tstylesheet {
                     }
                 }
             }
+
+        }
+
     }
 
     template "enum" {