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Cleanups in SessionDiagnostic derive

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This commit is contained in:
Xiretza 2022-09-10 14:27:42 +02:00
parent 8ab71ab59f
commit adcc55d622
1 changed files with 9 additions and 11 deletions
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18
compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs
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@ -155,7 +155,7 @@ impl DiagnosticDeriveBuilder {
} else {
Ident::new(name, attr.span())
};
return Ok(quote! { #diag.#fn_name(rustc_errors::fluent::_subdiag::#fn_name); });
return Ok(self.add_subdiagnostic(&fn_name, parse_quote! { _subdiag::#fn_name }));
}
_ => throw_invalid_attr!(attr, &meta),
};
@ -449,20 +449,18 @@ impl DiagnosticDeriveBuilder {
let (span_field, mut applicability) = self.span_and_applicability_of_ty(info)?;
let mut msg = None;
let mut code = None;
let mut nested_iter = nested.into_iter().peekable();
if let Some(nested_attr) = nested_iter.peek() {
if let NestedMeta::Meta(Meta::Path(path)) = nested_attr {
msg = Some(path.clone());
}
};
let msg = if let Some(NestedMeta::Meta(Meta::Path(path))) = nested_iter.peek() {
let path = path.clone();
// Move the iterator forward if a path was found (don't otherwise so that
// code/applicability can be found or an error emitted).
if msg.is_some() {
let _ = nested_iter.next();
}
nested_iter.next();
Some(path)
} else {
None
};
for nested_attr in nested_iter {
let meta = match nested_attr {