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pyosys: rewrite using pybind11

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- Rewrite all Python features to use the pybind11 library instead of boost::python.
  Unlike boost::python, pybind11 is a header-only library that is just included by Pyosys code, saving a lot of compile time on wheels.
- Factor out as much "translation" code from the generator into proper C++ files
- Fix running the embedded interpreter not supporting "from pyosys import libyosys as ys" like wheels
- Move Python-related elements to `pyosys` directory at the root of the repo
- Slight shift in bridging semantics:
  - Containers are declared as "opaque types" and are passed by reference to Python - many methods have been implemented to make them feel right at home without the overhead/ambiguity of copying to Python and then copying back after mutation
  - Monitor/Pass use "trampoline" pattern to support virual methods overridable in Python: virtual methods no longer require `py_` prefix
- Create really short test set for pyosys that just exercises basic functionality
This commit is contained in:
Mohamed Gaber 2025-09-21 22:36:27 +03:00
parent f7120e9c2a
commit 88be728353
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27 changed files with 2879 additions and 2674 deletions
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@ -38,7 +38,8 @@ techlibs/gowin/ @pepijndevos
techlibs/gatemate/ @pu-cc
# pyosys
misc/*.py @btut
pyosys/* @donn
setup.py @donn
backends/firrtl @ucbjrl @azidar