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denoland-deno/ops/optimizer_tests/wasm_op.rs
Divy Srivastava ca66978a5a
feat(ops): fast calls for Wasm (#16776)
This PR introduces Wasm ops. These calls are optimized for entry from
Wasm land.

The `#[op(wasm)]` attribute is opt-in. 

Last parameter `Option<&mut [u8]>` is the memory slice of the Wasm
module *when entered from a Fast API call*. Otherwise, the user is
expected to implement logic to obtain the memory if `None`

```rust
#[op(wasm)]
pub fn op_args_get(
  offset: i32,
  buffer_offset: i32,
  memory: Option<&mut [u8]>,
) {
  // ...
}
```
2022-11-27 19:24:28 +05:30

3 lines
63 B
Rust

fn op_wasm(memory: Option<&mut [u8]>) {
// @test-attr:wasm
}