diff -r c4199b88cf60 -r 6cf858411d3a plcopen/structures.py
--- a/plcopen/structures.py	Fri Oct 17 16:22:15 2008 +0200
+++ b/plcopen/structures.py	Fri Oct 24 16:39:32 2008 +0200
@@ -409,44 +409,44 @@
 
 ANY_TO_ANY_LIST=[
         # simple type conv are let as C cast
-        (("ANY_NUM","ANY_BIT"),("ANY_NUM","ANY_BIT"), "(%(return_type)s)%(IN_value)s"),
+        (("ANY_NUM","ANY_BIT"),("ANY_NUM","ANY_BIT"), ("return_type", None, None)),
         # TO_TIME
-        (("ANY_INT","ANY_BIT"),("ANY_DATE","TIME"), "(%(return_type)s)__int_to_time(%(IN_value)s)"),
-        (("ANY_REAL",),("ANY_DATE","TIME"), "(%(return_type)s)__real_to_time(%(IN_value)s)"),
-        (("ANY_STRING",), ("ANY_DATE","TIME"), "(%(return_type)s)__string_to_time(%(IN_value)s)"),
+        (("ANY_INT","ANY_BIT"),("ANY_DATE","TIME"), ("return_type", "__int_to_time", None)),
+        (("ANY_REAL",),("ANY_DATE","TIME"), ("return_type", "__real_to_time", None)),
+        (("ANY_STRING",), ("ANY_DATE","TIME"), ("return_type", "__string_to_time", None)),
         # FROM_TIME
-        (("ANY_DATE","TIME"), ("ANY_REAL",), "(%(return_type)s)__time_to_real(%(IN_value)s)"),
-        (("ANY_DATE","TIME"), ("ANY_INT","ANY_NBIT"), "(%(return_type)s)__time_to_int(%(IN_value)s)"),
-        (("TIME",), ("ANY_STRING",), "(%(return_type)s)__time_to_string(%(IN_value)s)"),
-        (("DATE",), ("ANY_STRING",), "(%(return_type)s)__date_to_string(%(IN_value)s)"),
-        (("TOD",), ("ANY_STRING",), "(%(return_type)s)__tod_to_string(%(IN_value)s)"),
-        (("DT",), ("ANY_STRING",), "(%(return_type)s)__dt_to_string(%(IN_value)s)"),
+        (("ANY_DATE","TIME"), ("ANY_REAL",), ("return_type", "__time_to_real", None)),
+        (("ANY_DATE","TIME"), ("ANY_INT","ANY_NBIT"), ("return_type", "__time_to_int", None)),
+        (("TIME",), ("ANY_STRING",), ("return_type", "__time_to_string", None)),
+        (("DATE",), ("ANY_STRING",), ("return_type", "__date_to_string", None)),
+        (("TOD",), ("ANY_STRING",), ("return_type", "__tod_to_string", None)),
+        (("DT",), ("ANY_STRING",), ("return_type", "__dt_to_string", None)),
         # TO_STRING
-        (("BOOL",), ("ANY_STRING",), "(%(return_type)s)__bool_to_string(%(IN_value)s)"),
-        (("ANY_BIT",), ("ANY_STRING",), "(%(return_type)s)__bit_to_string(%(IN_value)s)"),
-        (("ANY_REAL",), ("ANY_STRING",), "(%(return_type)s)__real_to_string(%(IN_value)s)"),
-        (("ANY_SINT",), ("ANY_STRING",), "(%(return_type)s)__sint_to_string(%(IN_value)s)"),
-        (("ANY_UINT",), ("ANY_STRING",), "(%(return_type)s)__uint_to_string(%(IN_value)s)"),
+        (("BOOL",), ("ANY_STRING",), ("return_type", "__bool_to_string", None)),
+        (("ANY_BIT",), ("ANY_STRING",), ("return_type", "__bit_to_string", None)),
+        (("ANY_REAL",), ("ANY_STRING",), ("return_type", "__real_to_string", None)),
+        (("ANY_SINT",), ("ANY_STRING",), ("return_type", "__sint_to_string", None)),
+        (("ANY_UINT",), ("ANY_STRING",), ("return_type", "__uint_to_string", None)),
         # FROM_STRING
-        (("ANY_STRING",), ("BOOL",), "(%(return_type)s)__string_to_bool(%(IN_value)s)"),
-        (("ANY_STRING",), ("ANY_BIT",), "(%(return_type)s)__string_to_bit(%(IN_value)s)"),
-        (("ANY_STRING",), ("ANY_SINT",), "(%(return_type)s)__string_to_sint(%(IN_value)s)"),
-        (("ANY_STRING",), ("ANY_UINT",), "(%(return_type)s)__string_to_uint(%(IN_value)s)"),
-        (("ANY_STRING",), ("ANY_REAL",), "(%(return_type)s)__string_to_real(%(IN_value)s)")]
+        (("ANY_STRING",), ("BOOL",), ("return_type", "__string_to_bool", None)),
+        (("ANY_STRING",), ("ANY_BIT",), ("return_type", "__string_to_bit", None)),
+        (("ANY_STRING",), ("ANY_SINT",), ("return_type", "__string_to_sint", None)),
+        (("ANY_STRING",), ("ANY_UINT",), ("return_type", "__string_to_uint", None)),
+        (("ANY_STRING",), ("ANY_REAL",), ("return_type", "__string_to_real", None))]
 
 
 BCD_TO_ANY_LIST=[
-        (("BYTE",),("USINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),
-        (("WORD",),("UINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),
-        (("DWORD",),("UDINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)"),
-        (("LWORD",),("ULINT",), "(%(return_type)s)__bcd_to_uint(%(IN_value)s)")]
+        (("BYTE",),("USINT",), ("return_type", "__bcd_to_uint", None)),
+        (("WORD",),("UINT",), ("return_type", "__bcd_to_uint", None)),
+        (("DWORD",),("UDINT",), ("return_type", "__bcd_to_uint", None)),
+        (("LWORD",),("ULINT",), ("return_type", "__bcd_to_uint", None))]
 
 
 ANY_TO_BCD_LIST=[
-        (("USINT",),("BYTE",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),
-        (("UINT",),("WORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),
-        (("UDINT",),("DWORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)"),
-        (("ULINT",),("LWORD",), "(%(return_type)s)__uint_to_bcd(%(IN_value)s)")]
+        (("USINT",),("BYTE",), ("return_type", "__uint_to_bcd", None)),
+        (("UINT",),("WORD",), ("return_type", "__uint_to_bcd", None)),
+        (("UDINT",),("DWORD",), ("return_type", "__uint_to_bcd", None)),
+        (("ULINT",),("LWORD",), ("return_type", "__uint_to_bcd", None))]
 
 
 def ANY_TO_ANY_FORMAT_GEN(any_to_any_list, fdecl):