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Give real discriminant_type to chalk

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This commit is contained in:
hkalbasi 2023-07-14 20:15:18 +03:30
parent 5208bf8f55
commit 50559118fb
6 changed files with 135 additions and 24 deletions
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32
crates/hir-expand/src/builtin_derive_macro.rs
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@ -624,9 +624,14 @@ fn hash_expand(
}
},
);
let check_discriminant = if matches!(&adt.shape, AdtShape::Enum { .. }) {
quote! { #krate::mem::discriminant(self).hash(ra_expand_state); }
} else {
quote! {}
};
quote! {
fn hash<H: #krate::hash::Hasher>(&self, ra_expand_state: &mut H) {
#krate::mem::discriminant(self).hash(ra_expand_state);
#check_discriminant
match self {
##arms
}
@ -742,9 +747,6 @@ fn ord_expand(
// FIXME: Return expand error here
return quote!();
}
let left = quote!(#krate::intrinsics::discriminant_value(self));
let right = quote!(#krate::intrinsics::discriminant_value(other));
let (self_patterns, other_patterns) = self_and_other_patterns(adt, &adt.name);
let arms = izip!(self_patterns, other_patterns, adt.shape.field_names()).map(
|(pat1, pat2, fields)| {
@ -759,17 +761,17 @@ fn ord_expand(
},
);
let fat_arrow = fat_arrow();
let body = compare(
krate,
left,
right,
quote! {
match (self, other) {
##arms
_unused #fat_arrow #krate::cmp::Ordering::Equal
}
},
);
let mut body = quote! {
match (self, other) {
##arms
_unused #fat_arrow #krate::cmp::Ordering::Equal
}
};
if matches!(&adt.shape, AdtShape::Enum { .. }) {
let left = quote!(#krate::intrinsics::discriminant_value(self));
let right = quote!(#krate::intrinsics::discriminant_value(other));
body = compare(krate, left, right, body);
}
quote! {
fn cmp(&self, other: &Self) -> #krate::cmp::Ordering {
#body