Create setter procedures for opaque fields unconditionally

The condition was a remnent of the differentiation between bounded and
unbounded opaque fields. Due to the changes for #356 this is not needed
anymore.

rflx/generator/serializer.py

@@ -608,7 +608,7 @@ def specification(field: Field) -> ProcedureSpecification:
                     ],
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
             [
                 SubprogramBody(
@@ -630,7 +630,7 @@ def specification(field: Field) -> ProcedureSpecification:
                     ],
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
         )
 
@@ -697,7 +697,7 @@ def formal_parameters(field: Field) -> Sequence[FormalSubprogramDeclaration]:
                     formal_parameters(f),
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
             [
                 SubprogramBody(
@@ -721,7 +721,7 @@ def formal_parameters(field: Field) -> Sequence[FormalSubprogramDeclaration]:
                     ],
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
         )
 
@@ -750,7 +750,7 @@ def specification(field: Field) -> ProcedureSpecification:
                     ],
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
             [
                 SubprogramBody(
@@ -759,7 +759,7 @@ def specification(field: Field) -> ProcedureSpecification:
                     common.initialize_field_statements(message, f, self.prefix),
                 )
                 for f, t in message.types.items()
-                if isinstance(t, Opaque) and setter_required(message, f)
+                if isinstance(t, Opaque)
             ],
         )
 
@@ -912,11 +912,3 @@ def __field_byte_location_declarations() -> Sequence[Declaration]:
                 Call(const.TYPES_BYTE_INDEX, [Variable("Last")]),
             ),
         ]
-
-
-def setter_required(message: Message, field: Field) -> bool:
-    return any(
-        True
-        for l in message.incoming(field)
-        if expr.Size("Message") not in l.size and expr.Last("Message") not in l.size
-    )