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wasm: parse the remainder of the 'linking' section

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Brian Carroll 2022-05-27 22:54:59 +01:00
parent 16333b823a
commit f493fcb1e4
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GPG key ID: 5C7B2EC4101703C0
4 changed files with 35 additions and 38 deletions
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19
compiler/test_gen/src/helpers/wasm.rs
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@ -38,7 +38,8 @@ pub fn compile_and_load<'a, T: Wasm32Result>(
src: &str,
test_wrapper_type_info: PhantomData<T>,
) -> wasmer::Instance {
let platform_bytes = load_platform_and_builtins();
let platform_path = get_preprocessed_host_path();
let platform_bytes = std::fs::read(&platform_path).unwrap();
let compiled_bytes =
compile_roc_to_wasm_bytes(arena, &platform_bytes, src, test_wrapper_type_info);
@ -51,10 +52,11 @@ pub fn compile_and_load<'a, T: Wasm32Result>(
load_bytes_into_runtime(compiled_bytes)
}
fn load_platform_and_builtins() -> std::vec::Vec<u8> {
fn get_preprocessed_host_path() -> PathBuf {
let out_dir = std::env::var(OUT_DIR_VAR).unwrap();
let platform_path = Path::new(&out_dir).join([PLATFORM_FILENAME, "o"].join("."));
std::fs::read(&platform_path).unwrap()
Path::new(&out_dir)
.join([PLATFORM_FILENAME, "o"].join("."))
.to_path_buf()
}
fn src_hash(src: &str) -> u64 {
@ -119,7 +121,14 @@ fn compile_roc_to_wasm_bytes<'a, T: Wasm32Result>(
exposed_to_host,
};
let host_module = roc_gen_wasm::parse_host(env.arena, host_bytes).unwrap();
let host_module = roc_gen_wasm::parse_host(env.arena, host_bytes).unwrap_or_else(|e| {
panic!(
"I ran into a problem with the host object file, {} at offset 0x{:x}:\n{}",
get_preprocessed_host_path().display(),
e.offset,
e.message
)
});
let (mut module, called_preload_fns, main_fn_index) =
roc_gen_wasm::build_app_module(&env, &mut interns, host_module, procedures);