},
Derive {
path: ast::Path,
+ is_const: bool,
item: Annotatable,
},
}
derive_invocations.reserve(derives.len());
derives
.into_iter()
- .map(|(path, item, _exts)| {
+ .map(|(path, item, _exts, is_const)| {
// FIXME: Consider using the derive resolutions (`_exts`)
// instead of enqueuing the derives to be resolved again later.
let expn_id = LocalExpnId::fresh_empty();
derive_invocations.push((
Invocation {
- kind: InvocationKind::Derive { path, item },
+ kind: InvocationKind::Derive { path, item, is_const },
fragment_kind,
expansion_data: ExpansionData {
id: expn_id,
SyntaxExtensionKind::LegacyAttr(expander) => {
match validate_attr::parse_meta(&self.cx.sess.parse_sess, &attr) {
Ok(meta) => {
- let items = match expander.expand(self.cx, span, &meta, item) {
+ let items = match expander.expand(self.cx, span, &meta, item, false) {
ExpandResult::Ready(items) => items,
ExpandResult::Retry(item) => {
// Reassemble the original invocation for retrying.
}
_ => unreachable!(),
},
- InvocationKind::Derive { path, item } => match ext {
+ InvocationKind::Derive { path, item, is_const } => match ext {
SyntaxExtensionKind::Derive(expander)
| SyntaxExtensionKind::LegacyDerive(expander) => {
if let SyntaxExtensionKind::Derive(..) = ext {
self.gate_proc_macro_input(&item);
}
let meta = ast::MetaItem { kind: MetaItemKind::Word, span, path };
- let items = match expander.expand(self.cx, span, &meta, item) {
+ let items = match expander.expand(self.cx, span, &meta, item, is_const) {
ExpandResult::Ready(items) => items,
ExpandResult::Retry(item) => {
// Reassemble the original invocation for retrying.
return ExpandResult::Retry(Invocation {
- kind: InvocationKind::Derive { path: meta.path, item },
+ kind: InvocationKind::Derive { path: meta.path, item, is_const },
..invoc
});
}