P1076 June 25, 2015 Meeting Minutes

Attendees:

DPI Review
- Need an extended example.
  - Preferably from someone who did not write the proposal.
  - Could call something from one of the standard libraries.
- Pointers? - VHDL cannot use the pointer, however, it can read it and pass the pointer to another C program.
  - Create a pointer type.
- Use C Interface to scripting languages, such as Perl, Python, ...
- Can one call printf?
- Passing strings to C and to scripting languages
- LIBFFI - A Portable Foreign Function Interface Library
- AI: Rob look into LIBFFI for VHDL
- AI: Peter, example for either sockets or LIBFFI
- How does the external library get bound to the simulator? Use VHDL's library syntax?
  - ?DPI use logical library names?
Method to do introspection on names and find different objects
- find all instance labels whose component name is xyz.
Date and System Time Functions
- Rob and Morten
- do separate vs. do with DPI?
- Needs to be synthesizable.
String representation of values of composite types
- Discussion went in a different direction ...
- Generalize s.t. a composite can implicitly call the conversion for the existing defined function (scalar)
- type as a first class object?
- reflection
- AI: Lieven write proposal - perhaps after arbitrary integer.

Topic revision: r4 - 2020-02-17 - 15:36:15 - JimLewis