c2wasm

Compiler demo, Dissertation PDF

Other demos:

• preprocessor
• parse tree
• intermediate representation
• control flow graph
• flag comparison

Features

Compiles most of c89 excluding nested typedefs and with reduced standard library and goto support.

Also supports the following c99 features:

• Declarations anywhere inside blocks
• _Bool / stdbool.h
• stdint.h

License

MIT License.

Files in src/c_library/impl/libraries have their own licenses inside each folder.

Files in tests/benchmark/*/ also have their own licenses.

Compatibility

Compatible with Node.js 15.x and 16.x. On Windows, benchmarking is done in WSL.

Compatible with Node.js 14.x using the --experimental-wasm-bigint flag, which can be used to run the tests using npm test -- --node-arguments=--experimental-wasm-bigint. Benchmarking is not supported.