This doesn't do anything useful yet.
I recommend that you install rustup and then use it to install the current rustc nightly version:
Tested with nightly-2017-03-03
git clone https://github.com/brson/mir2wasm.git cd mir2wasm rustup override set nightly-2017-03-03
cargo run -q -- rust-examples/nocore-hello-world.rs
Do println debugging with
debug! so it goes to stderr and print it like:
RUST_LOG=mir2wasm cargo run -q -- rust-examples/nocore-hello-world.rs
rustc -Z unstable-options --unpretty=mir rust-examples/nocore-hello-world.rs
Plug this stuff into a wast file to print something:
(import $print_i32 "spectest" "print" (param i32)) (export "foo" $foo) ... (call_import $print_i32 (get_local $1))
- miri the MIR interpreter. mir2wasm is derived from it but shares no actual code. It probably should share code though, and there's lots to learn from miri.
- roadmap discussion.
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