rust/tests/run-make/wasm-import-module/rmake.rs
Nicholas Nethercote 84ac80f192 Reformat use declarations.
The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
2024-07-29 08:26:52 +10:00

30 lines
990 B
Rust

//@ only-wasm32-wasip1
use std::collections::HashMap;
use run_make_support::{rfs, rustc, wasmparser};
use wasmparser::TypeRef::Func;
fn main() {
rustc().input("foo.rs").target("wasm32-wasip1").run();
rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run();
let file = rfs::read("bar.wasm");
let mut imports = HashMap::new();
for payload in wasmparser::Parser::new(0).parse_all(&file) {
let payload = payload.unwrap();
if let wasmparser::Payload::ImportSection(s) = payload {
for i in s {
let i = i.unwrap();
imports.entry(i.module).or_insert(Vec::new()).push((i.name, i.ty));
}
}
}
let import = imports.remove("./dep");
assert!(matches!(import.as_deref(), Some([("dep", Func(_))])), "bad import {:?}", import);
let import = imports.remove("./me");
assert!(matches!(import.as_deref(), Some([("me_in_dep", Func(_))])), "bad import {:?}", import);
}