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Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - WebSphere
Product family - Application Platform
Product - Software Architect Real Time Edition
For recording keeping, the previous attributes were:
Brand - Rational
Product family - Design & development
Product - Software Architect Real Time Edition
Ok, this sounds reasonable. Should we let this RFE track the addition of such validation rules in the C++ transform, and then you can open another RFE in the future for the translation of DirectionKind to C++ type "decorations"?
Feedback from our developer:
There should be some incremental advances towards greated consistancy.
Suggest first step be simple UML/transform level validation warning/issues if direction flag inconsistant with type decoration. e.g. if direction is out/in-out then type can't be const; if direction is in, type should be const.
Some further future iteration could tie model or .tc preferences (const &, const *, etc) to direction flags, but agree we can't leap to that in one step.
testing email for RFE
I agree this could be nice, but unfortunately this change will make all existing models stop building, so it is a breaking change that needs to be made in a major release and well communicated to all users. What users typically do today is to use the UML DirectionKind as an informal way to specify the intention of a parameter. So if the C++ transform starts to take DirectionKind into consideration, users need to update the type to avoid generating the type specifiers and declarators twice.
Also, the current scheme is more flexible since it allows a user to implement DirectionKinds in different ways. For example, an In/Out parameter could be implemented either as a reference (C++ style) or as a pointer to a pointer (C style). The user may want to have the control over this which he would loose if the C++ transform decides upon a mapping.
Given this background, do you still want this RFE to be implemented (the new behavior could be controlled by a preference for backwards compatibility)?
Uncommitted candidate