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Update the *.wast runner to use the wasmtime API (#690)

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* Update the `*.wast` runner to use the `wasmtime` API

This commit migrates the `wasmtime-wast` crate, which executes `*.wast`
test suites, to use the `wasmtime` crate exclusively instead of the raw
support provided by the `wasmtime-*` family of crates.

The primary motivation for this change is to use `*.wast` test to test
the support for interface types, but interface types is only being added
in the `wasmtime` crate for now rather than all throughout the core
crates. This means that without this transition it's much more difficult
to write tests for wasm interface types!

A secondary motivation for this is that it's testing the support we
provide to users through the `wasmtime` crate, since that's the
expectation of what most users would use rather than the raw
`wasmtime-*` crates.

* Run rustfmt

* Fix the multi example

* Handle v128 values in the `wasmtime` crate

Ensure that we allocate 128-bit stack slots instead of 64-bit stack
slots.

* Update to master

* Add comment
This commit is contained in:
Alex Crichton
2019-12-17 13:30:50 -06:00
committed by GitHub
parent 4141daae68
commit d5a2eb397c
13 changed files with 368 additions and 478 deletions
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13
crates/api/src/module.rs
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@@ -201,14 +201,15 @@ impl Module {
_ => None,
}
}
pub fn validate(_store: &HostRef<Store>, binary: &[u8]) -> Result<()> {
pub fn validate(store: &HostRef<Store>, binary: &[u8]) -> Result<()> {
let features = store.borrow().engine().borrow().config.features.clone();
let config = ValidatingParserConfig {
operator_config: OperatorValidatorConfig {
enable_threads: false,
enable_reference_types: false,
enable_bulk_memory: false,
enable_simd: false,
enable_multi_value: true,
enable_threads: features.threads,
enable_reference_types: features.reference_types,
enable_bulk_memory: features.bulk_memory,
enable_simd: features.simd,
enable_multi_value: features.multi_value,
},
};
validate(binary, Some(config)).map_err(Error::new)