842faf5aa6
* deps: bump wasmparser to 0.39.2 This has a bug fix for multi-value Wasm validation that is required for getting the spec tests passing. https://github.com/yurydelendik/wasmparser.rs/pull/135 * Update cranelift to 0.46.1 to get multi-value Wasm support The `cranelift_wasm` APIs had to change a little bit to maintain state necessary when translating multi-value Wasm blocks. The `translate_module` function now returns a `ModuleTranslationState` that is borrowed during each function's translation. * Enable multi-value proposal's spec tests This enables all the Wasm multi-value proposal's spec tests other than the ones that rely on functions having more return values than registers available on the target. That is not supported by cranelift yet. * wasmtime-interface-types: always use multi-value Wasm And remove the return pointer hacks that work around the lack of multi-value.
Python 3 extension for interface with Wasmtime/Cranelift.
Build
First, you'll need to install some Python dependencies:
$ pip3 install setuptools wheel==0.31.1 setuptools-rust
Next you can build the extension with:
rustup run nightly python3 setup.py build
Note that a nightly version of Rust is required due to our usage of PyO3.
This will create a directory called build/lib which you can add to
PYTHONPATH in order to get import wasmtime working.