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Add #[wasm_bindgen(assert_no_shim)] on imported functions for testing

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This should not be used outside of wasm-bindgen's test suite.
This commit is contained in:
Nick Fitzgerald
2019-07-11 15:12:48 -07:00
parent 2d0866da9a
commit bce892b625
8 changed files with 34 additions and 1 deletions
crates
backend
src
ast.rsencode.rs
cli-support
src
js
mod.rs
webidl
mod.rs
macro-support
src
parser.rs
shared
src
lib.rs
webidl
src
util.rs
tests/wasm
no_shims.rs

11
crates/cli-support/src/js/mod.rs

@ -1839,7 +1839,8 @@ impl<'a> Context<'a> {
for (id, import) in sorted_iter(&aux.import_map) {
let variadic = aux.imports_with_variadic.contains(&id);
let catch = aux.imports_with_catch.contains(&id);
self.generate_import(*id, import, bindings, variadic, catch)
let assert_no_shim = aux.imports_with_assert_no_shim.contains(&id);
self.generate_import(*id, import, bindings, variadic, catch, assert_no_shim)
.with_context(|_| {
format!("failed to generate bindings for import `{:?}`", import,)
})?;
@ -1978,6 +1979,7 @@ impl<'a> Context<'a> {
bindings: &NonstandardWebidlSection,
variadic: bool,
catch: bool,
assert_no_shim: bool,
) -> Result<(), Error> {
let binding = &bindings.imports[&id];
let webidl = bindings
@ -1996,6 +1998,13 @@ impl<'a> Context<'a> {
)
}
_ => {
if assert_no_shim {
panic!(
"imported function was annotated with `#[wasm_bindgen(assert_no_shim)]` \
but we need to generate a JS shim for it"
);
}
let mut builder = binding::Builder::new(self);
builder.catch(catch)?;
let js = builder.process(