Add ctiny (C99) code generator and tests#16
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- Add 'bakelite runtime -l python' command to generate runtime files - Support --runtime-import flag for custom import paths - Rewrite Python template for black/ruff/mypy compliance - Use BLANK_LINE variable for clearer template formatting - Generated code uses temporary sys.path modification for imports - Update arduino example with new runtime generation
- Add async_= parameter to send(), poll(), and messages() methods - Use @overload decorators for proper type hints - Support both BufferedIOBase (sync) and StreamReader/StreamWriter (async) - Add messages() as the primary iterator interface for consuming streams
- Replace decorator-based API with dataclass base classes (Struct, BakeliteEnum) - Generate inline pack/unpack code instead of runtime interpretation - Batch consecutive primitive fields into single struct.pack/unpack calls - Simplify ProtocolBase to use class attributes for message mapping
- Replace dual read/write buffers with single shared buffer (~50% memory reduction) - Add zero-copy message<T>() and send<T>() API for packed structs - Add --unpacked flag for platforms without unaligned access support - Add compile-time static_assert to catch platform misuse
- Add ctiny code generator for pure C99 embedded systems - Add TCP chat example demonstrating ctiny and cpptiny interoperability - CMake integration for automatic bakelite code generation - Add ctiny documentation
- Add comprehensive ctiny tests (35 tests): serialization, framing, protocol - Extract shared COBS/CRC implementations to runtimes/common/ - Fix ctiny array codegen using GCC statement-expression extension - Fix ctiny enum unpacking (use temp var to avoid partial writes) - Update cpptiny/ctiny to use shared common code
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Summary
runtimes/common/Test plan
bakelite gen -l ctinyproduces valid output