//@ only-wasm32-wasip1 extern crate run_make_support; use run_make_support::{tmp_dir, wasmparser, rustc}; use std::collections::HashMap; 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 = std::fs::read(&tmp_dir().join("bar.wasm")).unwrap(); 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); }