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webidl: initial enum support

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Add enum support to the WebIDL interface generator.
This commit is contained in:
Stephan Wolski
2018-07-08 22:09:00 -04:00
parent 94d939f4da
commit a981dfd507
10 changed files with 239 additions and 12 deletions
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12
crates/cli-support/src/js/js2rust.rs
View File

@ -71,13 +71,15 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
self.prelude(
"if (this.ptr === 0) {
throw new Error('Attempt to use a moved value');
}"
}",
);
if consumed {
self.prelude("\
const ptr = this.ptr;\n\
this.ptr = 0;\n\
");
self.prelude(
"\
const ptr = this.ptr;\n\
this.ptr = 0;\n\
",
);
self.rust_arguments.insert(0, "ptr".to_string());
} else {
self.rust_arguments.insert(0, "this.ptr".to_string());

1
crates/cli-support/src/js/mod.rs
View File

@ -1756,6 +1756,7 @@ impl<'a, 'b> SubContext<'a, 'b> {
})?;
}
shared::ImportKind::Type(_) => {}
shared::ImportKind::Enum(_) => {}
}
Ok(())
}

9
crates/cli-support/src/js/rust2js.rs
View File

@ -306,7 +306,8 @@ impl<'a, 'b> Rust2Js<'a, 'b> {
// Insert an assertion to the type of the returned value as
// otherwise this will cause memory unsafety on the Rust side of
// things.
self.ret_expr = format!("\
self.ret_expr = format!(
"\
const val = JS;
if (!(val instanceof {0})) {{
throw new Error('expected value of type {0}');
@ -314,8 +315,10 @@ impl<'a, 'b> Rust2Js<'a, 'b> {
const ret = val.ptr;
val.ptr = 0;
return ret;\
", class);
return Ok(())
",
class
);
return Ok(());
}
self.ret_expr = match *ty {