Migrate wasmtime to wasmtime-cpp-api#503
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PiotrSikora
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Mar 2, 2026
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Implements memory limiting and execution termination for wasmtime.
Could you split this off into a separate PR? I think it's just a few lines, so it should be doable, and I think those changes warrant a proper review instead of being bundled in this mass refactor. Thanks!
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
This reverts commit c19e738. Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Always uses prefixed wasmtime-c-api-impl, otherwise the prefixed implementation bitrots. Prefixes the headers in the repo rule to allow for globbing, which is not possible in a genrule. The crates_vendor-provided wasmtime-c-api-impl provided build allows us to upgrade wasmtime solely by changing the version number in the Cargo.toml file (and the corresponding repo in bazel/repositories.bzl for the C headers). Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Signed-off-by: Matt Leon <mattleon@google.com>
Hides many of the implementation details of the wasm-c-api.
Note: adds `wat` feature to wasmtime c headers to fix the following build error, but note that `wat` support is not enabled in the wasmtime build, this just adds the headers to allow the cpp api to compile.
```
external/com_github_bytecodealliance_wasmtime/crates/c-api/include/wasmtime/module.hh:39:17: error: use of undeclared identifier 'wat2wasm'
39 | auto wasm = wat2wasm(wat);
| ^
1 error generated.
```
Signed-off-by: Matt Leon <mattleon@google.com>
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Hides many of the implementation details of the wasm-c-api.
Implements memory limiting and execution termination for wasmtime.
Built off of #502.