Shrink hir_expand::attr::AttrInput by boxing a variant

This commit is contained in:
Lukas Wirth 2023-06-10 01:21:52 +02:00
parent 993299ee3f
commit b6fb35f20c
2 changed files with 8 additions and 8 deletions

View file

@ -1028,13 +1028,13 @@ fn attr_macro_as_call_id(
def: MacroDefId,
) -> MacroCallId {
let arg = match macro_attr.input.as_deref() {
Some(AttrInput::TokenTree(tt, map)) => (
Some(AttrInput::TokenTree(tt)) => (
{
let mut tt = tt.clone();
let mut tt = tt.0.clone();
tt.delimiter = tt::Delimiter::UNSPECIFIED;
tt
},
map.clone(),
tt.1.clone(),
),
_ => (tt::Subtree::empty(), Default::default()),
};

View file

@ -192,14 +192,14 @@ pub enum AttrInput {
/// `#[attr = "string"]`
Literal(SmolStr),
/// `#[attr(subtree)]`
TokenTree(tt::Subtree, mbe::TokenMap),
TokenTree(Box<(tt::Subtree, mbe::TokenMap)>),
}
impl fmt::Display for AttrInput {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
AttrInput::Literal(lit) => write!(f, " = \"{}\"", lit.escape_debug()),
AttrInput::TokenTree(subtree, _) => subtree.fmt(f),
AttrInput::TokenTree(tt) => tt.0.fmt(f),
}
}
}
@ -220,7 +220,7 @@ impl Attr {
Some(Interned::new(AttrInput::Literal(value)))
} else if let Some(tt) = ast.token_tree() {
let (tree, map) = syntax_node_to_token_tree(tt.syntax());
Some(Interned::new(AttrInput::TokenTree(tree, map)))
Some(Interned::new(AttrInput::TokenTree(Box::new((tree, map)))))
} else {
None
};
@ -256,7 +256,7 @@ impl Attr {
/// #[path(ident)]
pub fn single_ident_value(&self) -> Option<&tt::Ident> {
match self.input.as_deref()? {
AttrInput::TokenTree(subtree, _) => match &*subtree.token_trees {
AttrInput::TokenTree(tt) => match &*tt.0.token_trees {
[tt::TokenTree::Leaf(tt::Leaf::Ident(ident))] => Some(ident),
_ => None,
},
@ -267,7 +267,7 @@ impl Attr {
/// #[path TokenTree]
pub fn token_tree_value(&self) -> Option<&Subtree> {
match self.input.as_deref()? {
AttrInput::TokenTree(subtree, _) => Some(subtree),
AttrInput::TokenTree(tt) => Some(&tt.0),
_ => None,
}
}