Merge with upstream #131
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Merge with upstream #131
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Nothing major here, just minor updates
This is a re-application of bytecodealliance#1712 to fix the broken build from upgrading serde in a previous commit.
…bytecodealliance#1741) * Remove feature flag from post-stabilization feature gates This commit removes the optional `feature` specification from feature gates (`@since`, in particular). This change should simplify the usage of feature gates (see WebAssembly/component-model#387) for more discussion. This is a breaking change for those who were depending on `wit-parser` as `feature` now no longer present. Signed-off-by: Victor Adossi <vadossi@cosmonic.com> * Update wit-component to not use feature option in since This commit updates `wit-component` to remove reliance on the `feature` option when dealing with post-stabilization (`@since`) feature gates. Signed-off-by: Victor Adossi <vadossi@cosmonic.com> * Update tests to remove optional feature on since gates Signed-off-by: Victor Adossi <vadossi@cosmonic.com> --------- Signed-off-by: Victor Adossi <vadossi@cosmonic.com>
) These display representations are easy to get confused with the previous return values of `u32` which do implement `Display`, but the `Display` here isn't as applicable as it used to be. As a stopgap remove the `Display` implementations entirely to help identify locations that need to be updated to explicitly use an accessor or otherwise to calculate the size/align information.
) * Support optimizing feature checks at compile time Something I've long wanted for `wasmparser` is the ability to constant-propagate decisions about feature selection instead of requiring runtime checks to do so. This should be a performance win for proposals as they become standardized and more and more of wasm is gated behind some feature or another. The goal with this is to enable a mode of `wasmparser` which doesn't require runtime checks of booleans/bits to see whether a proposal is enabled or not. In lieu of not redesigning everything too much (e.g. adding `F: WasmFeatures` everywhere) this commit adds a new compile time Cargo feature to the crate called `features` which, when disabled, makes `WasmFeatures` a zero-sized type that represent the default active features for `wasmparser`. This enables const-propagating decisions about features throughout the codebase and should help optimize the validator/decoder in niche situations. * Add required feature * Update crates/wasmparser/src/features.rs Co-authored-by: Nick Fitzgerald <fitzgen@gmail.com> --------- Co-authored-by: Nick Fitzgerald <fitzgen@gmail.com>
* threads: add validation for shared calls The shared-everything-threads [proposal] prevents `shared` contexts (e.g., in a `shared` function) from accessing unshared objects. This change adds validation to prevent `shared`-to-unshared calls. [proposal]: https://github.com/WebAssembly/shared-everything-threads * threads: refactor and add shared access checks This checks shareability of other kinds of shared objects (minus `shared` memories). * Replace `type_of_function` with `type_index_of_function` `WasmModuleResources` previously retrieved the entire `FuncType` but this obscured the sharedness of the function in question, since the shared flag is held a level up in `CompositeType`. By replacing `WasmModuleResources::type_of_function` with a more low-level `WasmModuleResources::type_index_of_function`, we can reuse the existing helper functions that retrieve a `FuncType` from a `CompositeType` and do the necessary sharedness checks. * Clean up `OperatorValidator::new_func`
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