wiggle: make wasmtime a mandatory dep, get rid of own Trap enum #5137
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added 5 commits
October 26, 2022 13:35
this existed so we could use wiggle in lucet, but lucet is long EOL
formally add a dependency on wasmtime here to make it obvious, though we do now have a transitive one via wiggle no matter what (and therefore can get rid of the default-features=false on the wiggle dep)
there's no way the implementation of this func is actually a good idea, it will panic the host process on any error, but I'll ask @mtr to fix that
alexcrichton
approved these changes
Oct 26, 2022
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added 3 commits
October 26, 2022 15:21
this was originally for the WASI polyfill for web targets. Those days are way behind us now.
alexcrichton
approved these changes
Oct 27, 2022
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Wiggle (& wasi-common) did a fair bit of cargo feature & other gymnastics to support Lucet and Wasmtime simultaneously. Supporting Lucet is no longer a concern, so I erased the cargo features that made wasmtime support optional in these crates, and got rid of the intermediate
wiggle::Trapenum, usingwasmtime::Trapdirectly instead.Note this means wasi-common will no longer build for
wasm32-unknown-emscriptennorarmv7-unknown-linuxbecause it depends onwasmtime. The emscripten used to build for that target to support a web polyfill, but we haven't maintained that polyfill in years and are fine with dropping that support. I have no idea what the armv7 target was used for. These targets were enforced in CI for a long time, and I deleted the CI job that checks for them.We will be adding component support to wasi-common shortly, which will also incur a direct wasmtime dep in that crate, so those targets were going to be broken pretty soon anyway. I hope that this doesn't cause too much grief for anyone.